ALL INDIA WEEKLY WEATHER REPORT 19-25 MAY, 2022

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MORNING Time of Issue: 0740 hours IST ALL INDIA WEATHER SUMMARY AND FORECAST BULLETIN

Significant Weather Features

Advancement of Southwest Monsoon:

♦ The Northern Limit of Southwest Monsoon continue to pass through 7.5°N/60°E, 7.5°N/70°E, 7.5°N/79°E, 8.0°N/83°E, 11.5°N/89°E, 16.0°N/93°E and 18.0°N/94.5°E.

♦ Conditions are favorable for further advance of Southwest Monsoon over some more parts of South Arabian Sea, entire Maldives & adjoining areas of Lakshadweep and some more parts of Comorin area during next 24 hours.

♦ Advance of monsoon over Kerala is being continuously monitored.

Rainfall/thunderstorm Forecast & Warnings:

♦ Under the influence of east-west trough from northwest Rajasthan to Interior Odisha and a cyclonic circulation over north Bihar & neighbourhood at lower tropospheric levels:

i) Scattered to fairly widespread light/moderate rainfall very likely over Northeast India and isolated to scattered rainfall with isolated thunderstorm/lightning/gusty winds over Bihar, Jharkhand, Odisha and West Bengal & Sikkim during next 5 days.

ii) Isolated heavy rainfall also likely over Arunachal Pradesh on 27^th & 30^th ; over Assam-Meghalaya on 27^th, 29^th, 30^th & 31^th May and over Nagaland, Manipur, Mizoram & Tripura on 27^th, 30^th & 31^thMay, 2022.

♦ Under the influence of a north-south trough from North interior Karnataka to Comorin area and westerly winds from Arabian Sea over the south peninsular India in lower tropospheric levels:

i) Widespread light/moderate rainfall with thunderstorm/lightning very likely over Kerala & Mahe & Lakshadweep and isolated to scattered rainfall over Andhra Pradesh, Telangana, Karnataka and Tamilnadu, Puducherry & Karaikal during next 5 days. Isolated heavy rainfall also likely over Kerala & Mahe and north Tamilnadu on 27^th May.

ii) Squally weather (wind speed 40-50 kmph gusting to 60 kmph) very likely over southwest Arabian Sea during next 5 day;

over southeast Arabian Sea along & off Kerala coast & Lakshadweep area on 27^th and over northeast Arabian Sea & adjoining Gujarat coast during 27^th-31^th May.

♦ Under the influence of a fresh approaching Western Disturbance:

i) Scattered light/moderate rainfall with isolated thunderstorm/lightning/gusty winds very likely over Jammu & Kashmir, Himachal Pradesh and isolated rainfall over Uttarakhand, Punjab, Uttar Pradesh, East Rajasthan on 28^th & 29^th May. Isolated hailstorm likely over Himachal Pradesh & Uttarakhand on 27^th May and over Jammu & Kashmir on 28^th May.

ii) Duststorm activity at isolated places very likely over West Rajasthan on 28^th & 29^th May.

Heat wave warnings:

Heat Wave conditions at isolated pockets very likely over southwest Rajasthan on 28^th & 29^th May, 2022.

Main Weather Observations

* Red color warning does not mean "Red Alert" Red color warning means "Take Action".

Forecast and Warning for any day is valid from 0830 hours IST of day till 0830 hours IST of next day For more details kindly visit www.imd.gov.in or contact : +91 11 24631913, 24643965, 24629798

(Service to the Nation since 1875)

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Mizoram & Tripura and Chhattisgarh; at a few places over Assam & Meghalaya, Arunachal Pradesh and Tamilnadu, Puducherry &

Karaikal and at isolated places over Jammu & Kashmir, Uttrakhand, West Bengal & Sikkim, Madhya Pradesh, North Interior Karnataka,Telangana, Kerala & Mahe, Andaman & Nicobar Islands and Lakshadweep.

♦ Thunderstorm observed (from 0830 hours IST of yesterday to 0530 hours IST of today): at a few places over Gangetic West Bengal and at isolated places over Jammu & Kashmir, Madhya Pradesh, southwest Uttar Pradesh, Rajasthan, Bihar, Arunachal Pradesh, Nagaland, Manipur, Mizoram & Tripura, Chhattisgarh, Telangana, Rayalaseema,Tamilnadu and Kerala.

♦ Chief amount of Rainfall observed: (from 0830 hours IST to 1730 hours IST of yesterday): (2 cm or more): Gangetic West Bengal:

Uluberia-3; Tamilnadu, Puducherry & Karaikal: Kodaikanal-3, Udhagamandalam and Valprai-2each; Assam: Silchar & Dibrugarh-2 each;

Tripura: Agartala-2.

♦ Maximum Temperature Departures (as on 26-05-2022): Maximum temperatures were above normal (1.6°C to 3.0°C) at a few places over Gangetic West Bengal and Coastal Karnataka and at isolated places over Jammu & Kashmir-Gilgit-Baltistan & Muzaffarabad, Sub- Himalayan West Bengal & Sikkim and Assam & Meghalaya.They were markedly below normal (-5.1 or less) at isolated places over East Madhya Pradesh; appreciably below normal (-3.1°C to -5.0°C) at many places over Haryana, Chandigarh & Delhi; at a few places over Himachal Pradesh and Chhattisgarh and at isolated places over Uttar Pradesh; below normal (-1.6°C to -3.0°C) at most places over Uttarakhand; at many places over Punjab, Bihar and North Interior Karnataka; at a few places over West Madhya Pradesh and Vidarbha and at isolated places over Telangana, Rayalaseema and Tamil Nadu, Puducherry & Karaikal and near normal over rest parts of the country. Yesterday, the highest maximum temperature of 43.7°C was reported at Durg (Chhattisgarh).

♦ Minimum Temperature Departures (as on 26-05-2022): Minimum temperatures were above normal (1.6°C to 3.0°C) at many places over Jammu & Kashmir-Gilgit-Baltistan-Muzaffarabad and at a few places over Marathwada. They were markedly below normal (-5.1 or less) at isolated places over East Madhya Pradesh; appreciably below normal (-3.1°C to -5.0°C) at most places over Haryana, Chandigarh & Delhi and at isolated places over Gangetic West Bengal; below normal (-1.6°C to -3.0°C) at many places over Chhattisgarh; at a few places over East Uttar Pradesh, Bihar, Vidarbha and at isolated places over Himachal Pradesh, West Uttar Pradesh, Odisha, West Madhya Pradesh and Tamil Nadu, Puducherry & Karaikal and near normal over rest parts of the country. Yesterday, the lowest minimum temperature of 19.0°C was reported at Narnaul (Haryana) over the plains of the country.

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♦ The Northern Limit of Southwest Monsoon continues to pass through 7.5°N/60°E, 7.5°N/70°E, 7.5°N/79°E, 8.0°N/83°E, 11.5°N/89°E, 16.0°N/93°E and 18.0°N/94.5°E.

♦ Conditions are favorable for further advance of Southwest Monsoon over some more parts of South Arabian Sea, entire Maldives & adjoining areas of Lakshadweep and some more parts of Comorin area during next 24 hours.

♦ Advance of monsoon over Kerala is being continuously monitored.

♦ The trough in middle tropospheric westerlies with its axis at 5.8 km above mean sea level now runs roughly along Long. 87°E

& to the north of Lat. 25°N.

♦ The north-south trough from North interior Karnataka to Comorin area extending upto 0.9 km above mean sea level persists.

♦ The Western Disturbance as a cyclonic circulation over Iran & neighbourhood now lies over Iran and adjoining Afganistan at 3.1 km above mean sea level.

♦ The east-west trough from northwest Rajasthan to Interior Odisha across north Madhya Pradesh & Chhattisgarh at 0.9 km above mean sea level persists.

♦ The cyclonic circulation over north Bihar & neighbourhood at 1.5 km above mean sea level persists.

Weather Forecast for next 5 days * upto 0830 hours IST of 01st June, 2022

♦ Meteorological sub-division wise detailed 5 days precipitation forecast is given in Table-1.

♦ Gradual rise in maximum temperatures by 2-4°C very likely over many parts of Northwest & East India during next 3 days and no significant change thereafter.

♦ No significant change in maximum temperatures very likely over rest parts of the country during next 5 days.

Weather Outlook for subsequent 2 days during 01st June-02nd June, 2022

♦ Fairly widespread to widespread light/moderate rainfall likely to continue over northeast India, Kerala & Mahe and Islands.

♦ Isolated to scattered light/moderate rainfall likely over parts of East India, West Coast and Western Himalayan region.

♦ Dry weather likely over rest parts of the country.

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27 May (Day 1): ♦ Heavy rainfall at isolated places very likely over Nagaland, Manipur, Mizoram & Tripura, Assam & Meghalaya, north Tamilnadu, Puducherry & Karaikal and Kerala-Mahe.

♦ Thunderstorm accompanied with lightning/hail at isolated places likely over Himachal Pradesh and Uttrakhand; with gusty winds (speed 30-40 kmph) at isolated places over Gangetic West Bengal and with lightning at isolated places over Jammu & Kashmir, Uttar Pradesh, East Madhya Pradesh, Chhattisgarh, Bihar, Odisha, Sub-Himalayan West Bengal & Sikkim, South Interior Karnataka, Jharkhand, Nagaland, Manipur, Mizoram & Tripura, Assam & Meghalaya, Coastal Andhra Pradesh, Telangana, Tamilnadu, Puducherry &

Karaikal, Lakshadweep and Kerala & Mahe.

♦ Squally weather (wind speed 40-50 kmph gusting to 60 kmph) very likely over southwest Arabian Sea; northeast Arabian Sea adjoining Gujarat coast and southeast Arabian Sea along & off Kerala coast and Lakshadweep Area. Fishermen are advised not to venture into these areas.

28 May (Day 2):♦ Thunderstorm accompanied with lightning & hail at isolated places very likely over Jammu &

Kashmir; with lightning/gusty winds (speed 30-40 kmph) at isolated places over Bihar and Gangetic West Bengal and with lightning at isolated places over Himachal Pradesh, Uttar Pradesh, East Madhya Pradesh, Chhattisgarh, Sub-Himalayan West Bengal &

Sikkim, Tamilnadu, Puducherry & Karaikal, Kerala & Mahe and Lakshadweep.

♦ Duststorm/Thunderstorm with with gusty winds (speed 30-40 kmph) at isolated places very likely over West Rajasthan.

♦ Heat wave conditions in isolated pockets very likely over West Rajasthan.

♦ Squally weather (wind speed 40-50 kmph gusting to 60 kmph) very likely over southwest Arabian Sea; northeast Arabian Sea adjoining Gujarat coast. Fishermen are advised not to venture into these areas.

29 May (Day 3): ♦ Heavy rainfall at isolated places likely over Assam-Meghalaya.

♦ Thunderstorm accompanied with lightning/gusty winds (speed 30-40 kmph) at isolated places over likely over Chhattisgarh, Bihar, Gangetic West Bengal and Jharkhand and with lightning at isolated places over Jammu & Kashmir, Himachal Pradesh, East Uttar Pradesh, East Madhya Pradesh, Sub-Himalayan West Bengal & Sikkim, Kerala & Mahe and Lakshadweep.

♦ Duststorm/Thunderstorm with with gusty winds (speed 30-40 kmph) at isolated places likely over West Rajasthan.

♦ Heat wave conditions in isolated pockets likely over West Rajasthan.

♦ Squally weather (wind speed 40-50 kmph gusting to 60 kmph) very likely over southwest Arabian Sea; northeast Arabian Sea adjoining Gujarat coast. Fishermen are advised not to venture into these areas.

30 May (Day 4): ♦ Heavy rainfall at isolated places likely over Arunachal Pradesh, Assam-Meghalaya and Nagaland, Manipur, Mizoram

& Tripura.

♦ Thunderstorm accompanied with lightning/gusty winds (speed 30-40 kmph) likely at isolated places over Chhattisgarh and with lightning

at isolated places over Jammu & Kashmir, East Madhya Pradesh, Kerala & Mahe and Lakshadweep.

♦ Squally weather (wind speed 40-50 kmph gusting to 60 kmph) very likely over southwest Arabian Sea. Fishermen are advised not to venture into these areas.

31 May (Day 5): ♦ Heavy rainfall at isolated places likely over Assam-Meghalaya and Nagaland, Manipur, Mizoram & Tripura.

♦ Thunderstorm accompanied with lightning/gusty winds (speed 30-40 kmph) likely at isolated places over Chhattisgarh and with lightning at isolated places over Jammu & Kashmir, Telangana, Coastal Andhra Pradesh, Sub-Himalayan West Bengal & Sikkim, Arunachal Pradesh, South Interior Karnataka, Kerala and Lakshadweep.

♦ Squally weather (wind speed 40-50 kmph gusting to 60 kmph) very likely over southwest Arabian Sea. Fishermen are advised not to venture into these areas.

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ALL INDIA WEEKLY WEATHER REPORT 19-25 MAY, 2022

Go to: Table-1(A) Table-1(B) Table-1(C) Table-2 Table-3 Fig-1

Fig-2 Fig-3 Annexure-1

SIGNIFICANT WEATHER FEATURES

♦ Advance of Southwest Monsoon: Southwest Monsoon further advanced into parts of South Arabian Sea, southern parts of Maldives, some more parts of South and Eastcentral Bay of Bengal on 20^th May 2022; the Northern Limit of Southwest Monsoon was passing through 5°N/80°E, 8°N/85°E, 12.5°N/90°E and 16.0°N/94.5°E in the beginning of the week; it passed through 5°N/67°E, 6°N/72°E,5.5°N/80°E, 8°N/85°E, 12.5°N/90°E, 16.0°N/93°E and 18.0°N/94.5°E on 20^th May 2022; since there had been no further advance of monsoon during the week, the Northern Limit of Monsoon continued to remain the same till the end of the week.

♦ Movement of two active Western Disturbances had caused fairly widespread to widespread rainfall/thunderstorm activity over Western Himalayan Region on three to four days and isolated to scattered rainfall/thunderstorm activity on the remaining days of the week; passage of the systems along with an induced cyclonic circulation (which attained the intensity of an induced Low on a single day) and an east west trough in the lower tropospheric levels from Northwest India to East & Northeast India had caused fairly widespread to widespread rainfall/thunderstorm activity over adjoining plains of Northwest India on one or two days and isolated rainfall/thunderstorm activity on three to four days; isolated rainfall/thunderstorm activity had been reported over parts of Madhya Pradesh also on a few days; under the influence of the systems, heavy rainfall at isolated places had been reported over Himachal Pradesh, West Uttar Pradesh and Haryana on one or two days and thunder squall had been reported over the plains on one or two days;

isolated hailstorm activity also had been reported over parts of Northwest India on one or two days.

♦ Under the influence of a cyclonic circulation over South Peninsula in the lower /middle tropospheric levels tilting southwestwards with height, widespread rainfall/thunderstorm activity had occurred over Kerala &

Mahe and Karnataka during the first half of the week; it had caused fairly widespread to widespread rainfall/thunderstorm activity over Rayalaseema on two days and isolated to scattered rainfall/thunderstorm activity over remaining parts of Peninsular India and adjoining areas of Maharashtra during the same period;

isolated heavy/very heavy rainfall had occurred over parts of Peninsular India on two to three days and over Maharashtra on one or two days along with.

♦ A Low Pressure Area has formed over Gulf of Martaban & adjoining Myanmar in the evening of 19^th May 2022; it lay as a Well Marked Low Pressure Area over the same region in the early morning hours of 20^th ; it concentrated into a Depression in the morning of the same day and lay centered at 0830 hours IST of 20^th May, 2022 near Latitude 16.2°N and Longitude 97.3°E, about 40 km southwest of Mawlamyine (Myanmar), 140 km east-southeast of Yangon (Myanmar) and 700 km northeast of Port Blair (Andaman Islands);moving north-northeastwards, it crossed south Myanmar coast close to Mawlamyine (Myanmar) near latitude 16.53°N and longitude 97.46°E between 1330 & 1430 hours IST and lay centered at 1430 hours IST of 20^th May, 2022 over south coastal Myanmar near latitude 16.8°N and longitude 97.6°E, about 30 km north of Mawlamyine (Myanmar); further moving north-northeastwards, it weakened into a Well Marked Low Pressure Area in the early morning hours of the next day and lay over northwest Thailand and adjoining Myanmar at 0530 hours IST of 21^st May, 2022 and has become unimportant for Indian region; this system had not caused any adverse weather over Indian region however, under its influence, widespread rainfall/thunderstorm activity had occurred over Andaman & Nicobar islands on one or two days along with isolated heavy rainfall/thundersquall on a single day.

♦ Under the influence of an east-west trough in the lower tropospheric levels extending from Northwest India to Northeast India and north-south troughs/cyclonic circulations in the lower/mid tropospheric levels over the region, fairly widespread to widespread rainfall/thunderstorm activity had occurred over parts of East and Northeast India and eastern parts of Central India during the week; isolated heavy/very heavy rainfall had been reported over parts of Northeast India on two to three days whereas isolated heavy rainfall had been reported over parts of east India on two to three days along with; isolated thunder squall/hailstorm activity also had been reported over these region on one or two days.

Heavy rain:

♦ Heavy to very heavy rainfall with extremely heavy rainfall at isolated places had occurred over East Uttar Government of India

Ministry of Earth Sciences India Meteorological Department National Weather Forecasting Centre

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Pradesh on one day during the week.

♦ Heavy to very heavy rainfall at isolated places had occurred over North Interior Karnataka and Kerala &

Mahe on three days each; over Andaman & Nicobar Islands, Assam & Meghalaya, Coastal & South Interior Karnataka on two days each; over Nagaland, Manipur, Mizoram & Tripura and Rayalseema on one day each during the week.

♦ Heavy rainfall at isolated places had occurred over Tamil Nadu, Puducherry & Karaikkal and Odisha on four days each; over Assam & Meghalaya on three days; over Sub Himalayan West Bengal & Sikkim and West Uttar Pradesh on two days each; over Andaman & Nicobar Islands, Arunachal Pradesh, Nagaland, Manipur, Mizoram &Tripura, Bihar, Haryana, Chandigarh & Delhi, Himachal Pradesh, Konkan & Goa, Madhya Maharashtra, Marathwada, Coastal Andhra Pradesh & Yanam, Telangna and Coastal Karnataka on one day each during the week.

Temperature Scenario:

Heatwave

♦ Heatwave to severe heatwave conditions had occurred at isolated places over southern parts of West Uttar Pradesh, Himachal Pradesh and Punjab on one day each during the week.

♦ Heatwave conditions at many places with severe heatwave conditions at isolated places had occurred over Haryana, Chandigarh & Delhi on one day during the week.

♦ Heatwave conditions had occurred at many places over West Rajasthan on two days; at a few places over East Rajasthan on one day; at isolated places over northern parts of West Madhya Pradesh, southern parts of East Uttar Pradesh and Punjab on two days each; over Himachal Pradesh, East Rajasthan, northern parts of East Madhya Pradesh, southern parts of West Uttar Pradesh and Haryana, Chandigarh & Delhi on one day each during the week.

♦ The highest maximum temperature of 47.8^oC had been recorded at Dhaulpur (East Rajasthan) on 20^th May 2022 and the lowest minimum temperature of 15.2^oC had been recorded at Delhi Ridge (Haryana, Chandigarh & Delhi) on 23^rd May 2022 over the plains of the country during the week.

LEGEND: Few days-(3 days), Many days-4 to 5 days and Most days-6 to 7 days during the week.

METEOROLOGICALANALYSIS

♦ Last week’s cyclonic circulation over north interior Tamil Nadu & neighbourhood persisted over the same region and was seen between 3.1 km & 7.6 km above mean sea level tilting southwestwards with height on 19^th May 2022; it lay over South Interior Karnataka & neighbourhood between 3.1 km & 5.8 km above mean sea level on 20^th;it lay over Rayalaseema & neighbourhood between 3.1 km & 5.8 km above mean sea level tilting westwards with height on 21^st; it has become less marked on 22^nd May 2022.

♦ Last week’s north-south trough from central parts of Madhya Pradesh to Interior Tamilnadu at 0.9 km above mean sea level continued to run from central parts of Madhya Pradesh to Interior Tamilnadu across Marath

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wada and Interior Karnataka and extended upto 1.5 km above mean sea level 19^th May 2022; it ran from south Chhattisgarh to the cyclonic circulation over South Interior Karnataka & neighbourhood across Telangana at 3.1 km above mean sea level on 20^th; it has become less marked on 21^st May 2022.

♦ Last week’s Western Disturbance as a trough in mid tropospheric westerlies with its axis at 3.1 km above mean sea levels was seen as a cyclonic circulation over Afghanistan & neighbourhood at 3.1 km above mean sea level on 19^th May 2022; it was seen as a cyclonic circulation over northeast Afghanistan &

neighbourhood at 3.1 km above mean sea level with a trough aloft in mid tropospheric levels with its axis at 5.8 km above mean sea level roughly along Long.66°E & to the north of Lat.27°N on 20^th; It was seen as a cyclonic circulation over north Pakistan & neighbourhood at 3.1 km above mean sea level with a trough aloft in mid tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long.71°E & to the north of Lat.28°N on 21^st; it was seen as a trough in mid & upper tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long.78°E & to the north of Lat.28°N on 22^nd; It was seen as a trough in mid & upper tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long. 88°E & to the north of Lat. 20°N on 23^rd;it has moved away east-northeastwards in the early morning hours of 24^th May 2022.

♦ Last week’s cyclonic circulation over south Rajasthan at 3.1 km above mean sea level has become less marked on 19^th May 2022.

♦ Last week’s Western Disturbance as a trough in mid & upper tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long. 78°E & to the north of Lat. 25°N has moved away east - northeastwards on 19^th May 2022.

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♦ Last week’s east-west trough from northwest Rajasthan to west Assam across south Uttar Pradesh, south Bihar & Sub-Himalayan West Bengal at 0.9 km above mean sea level has become less marked on 19^th May 2022.

♦ A cyclonic circulation lay over Gulf of Martaban & adjoining Myanmar and extended upto 5.8 km above mean sea level tilting southwestwards with height on 19^th May 2022; under its influence, a Low Pressure Area has formed over the same region with the associated cyclonic circulation extending upto mid tropospheric level in the evening of the same day; it lay as a Well Marked Low Pressure Area over Gulf of Martaban & adjoining Myanmar with the associated cyclonic circulation extending upto mid tropospheric level in the early morning hours of 20^th; it has concentrated into a Depression and lay centered at 0830 hours IST of 20^th May, 2022 near Latitude 16.2°N and Longitude 97.3°E, about 40 km southwest of Mawlamyine (Myanmar), 140 km east-southeast of Yangon (Myanmar) and 700 km northeast of Port Blair (Andaman Islands); moving north-northeastwards it lay centered at 1130 hours IST of 20^th May, 2022 over Gulf of Martaban close to South Myanmar coast near Latitude 16.4°N and Longitude 97.4°E, about 20 km west-southwest of Mawlamyine (Myanmar), 140 km east-southeast of Yangon (Myanmar) and 720 km northeast of Port Blair (Andaman Islands); further moving north-northeastwards, it crossed south Myanmar coast close to Mawlamyine (Myanmar) near latitude 16.53°N and longitude 97.46°E between 1330 & 1430 hours IST and lay centered at 1430 hours IST of 20^th May, 2022 over south coastal Myanmar near latitude 16.8°N and longitude 97.6°E, about 30 km north of Mawlamyine (Myanmar), 150 km east of Yangon (Myanmar) and 780 km northeast of Port Blair (Andaman Islands); it moved north-northeastwards further and lay centered at 1730 hours IST of 20^th May, 2022 over south coastal Myanmar and adjoining northwest Thailand near Latitude 17.1°N and longitude 97.8°E, about 70 km north-northeast of Mawlamyine (Myanmar), 170 km east of Yangon (Myanmar) and 160 km west-southwest of Thoen (Thailand);continuing to move north-northeastwards, it weakened into a Well Marked Low Pressure Area in the early morning hours of the next day and lay over northwest Thailand and adjoining Myanmar at 0530 hours IST of 21^st May, 2022 and has become insignificant for Indian region.

♦ A trough in westerlies between 1.5 km & 2.1 km above mean sea level ran roughly along Long. 87°E & to the north of Lat. 22°N on 19^th May 2022; it has moved away east-northeastwards on 20^th May 2022.

♦ A cyclonic circulation lay over south Haryana & neighbourhood and extended upto 0.9 km above mean sea level on 20^th May 2022; it has become less marked on 21^st May 2022.

♦ A trough at 0.9 km above mean sea level ran from northwest Rajasthan to Vidarbha across the cyclonic circulation over south Haryana & neighbourhood and Madhya Pradesh on 20^th May 2022; it has become less marked on 21^st May 2022.

♦ A cyclonic circulation lay over northwest Rajasthan & neighbourhood and extended upto 1.5 km above mean sea level on 21^st May 2022; it lay over southwest Uttar Pradesh & neighbourhood and extended upto 1.5 km above mean sea level on 22^nd; it has merged with the east –west trough from the cyclonic circulation over northwest Rajasthan to Gangetic West Bengal and extending upto 1.5 km above mean sea level in the early morning hours of 23^rdMarch 2022.

♦ An east-west trough ran from the cyclonic circulation over northwest Rajasthan to east Assam at 0.9 km above mean sea level across Haryana, Uttar Pradesh, Bihar, Sub-Himalayan West Bengal & Sikkim and Meghalaya on 21^st May 2022;it ran from the cyclonic circulation over southwest Uttar Pradesh to Jharkhand across southeast Uttar Pradesh and extended upto 0.9 km above mean sea level on 22^nd; it ran from the induced Low pressure area over northwest Rajasthan to north Bangladesh across Uttar Pradesh, Bihar &

Sub-Himalayan West Bengal and extended upto 0.9 km above mean sea level on 23^rd; it has become less marked on 24^th May 2022.

♦ A cyclonic circulation lay over southeast Rajasthan & neighbourhood at 3.1 km above mean sea level on 21^st May 2022; it has become less marked in the early morning hours of 22^nd May 2022.

♦ A Western Disturbance was seen as a trough in mid & upper tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long.63°E & to the north of Lat.35°N on 22^nd May 2022; it was seen as a cyclonic circulation over north Pakistan & neighbourhood between 4.5 km & 7.6 km above mean sea level on 23^rd;it lay as a cyclonic circulation over Jammu & neighbourhood between 2.1 km & 5.8 km above mean sea level with a trough aloft with its axis at 7.6 km above mean sea level roughly along Long. 75°E & to the north of Lat. 28°N on 24^th;it was seen as a trough in mid tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long. 84°E & to the north of Lat. 22°N on 25^th May 2022.

♦ A cyclonic circulation lay over Punjab & neighbourhood and extended upto 0.9 km above mean sea level on 22^nd May 2022; it was seen as an induced Low Pressure Area over northwest Rajasthan &

neighbourhood with the associated cyclonic circulation extending upto 1.5 km above mean sea level on 23^rd;

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the induced Low Pressure Area has become less marked; however, its associated cyclonic circulation lay over northwest Rajasthan & neighbourhood and extended upto 1.5 km above mean sea level in the early morning hours of 24^thand it lay over southwest Rajasthan & neighbourhood and extended upto 1.5 km above mean sea levelduring the remaining parts of the day; it has become less marked on 25^th May 2022.

♦ A cyclonic circulation lay over coastal Odisha & neighbourhood and extended upto 2.1 km above mean sea level on 22^nd May 2022;it has become less marked on 23^rd May 2022.

♦ A north-south trough ran from the induced Low pressure area over northwest Rajasthan and neighbourhood to Northeast Arabian Sea and extended upto 1.5 km above mean sea level on 23^rd May 2022; it ran from the cyclonic circulation over southwest Rajasthan and neighbourhood to Northeast Arabian Sea and extended upto 1.5 km above mean sea level on 24^th; it has become less marked on 25^th May 2022.

♦ A cyclonic circulation lay over north Jharkhand & neighbourhood and extended upto 3.1 km above mean sea level on 24^th May 2022;it has become less marked on 25^th May 2022.

♦ A trough in westerlies with its axis at 5.8 km above mean sea level ran roughly along Long. 86°E to the north of Lat. 23°N on 24^th May 2022;it has become less marked on 25^th May 2022.

♦ A cyclonic circulation lay over Haryana & neighbourhood and extended upto 2.1 km above mean sea level on 25^th May 2022.

♦ A cyclonic circulation lay over south Odisha & neighbourhood and extended upto 0.9 km above mean sea level on 25^th May 2022.

♦ A north-south trough ran from east Bihar to north Coastal Andhra Pradesh across Jharkhand and Odisha between 1.5 km & 2.1 km above mean sea level on 25^th May 2022.

♦ Another north-south trough ran from North Interior Karnataka to south Tamilnadu at 0.9 km above mean sea level on 25^th May 2022.

♦ A cyclonic circulation lay over Nagaland & neighbourhood at 3.1 km above mean sea level on 25^th May 2022.

RAINFALL SUMMARY

Category of the rainfall

WEEK SEASON

19.05.2022 TO 25.05.2022 01.03.2022 TO 25.05.2022 Number of Sub-divisions Number of Sub-divisions

LARGE EXCESS(LE) (+60% or more) 20 8

EXCESS(E) (+20% to +59%) 5 3

NORMAL(N) (+19% to -19%) 7 8

DEFICIENT(D) (-20% to -59%) 2 8

LARGE DEFICIENT(LD) (-60% to -99%) 1 9

NO RAIN(NR) (-100%) 1 0

Cumulative rainfall (mm) ^Actual_(mm) ^Normal_(mm) ^Departure_(%) ^Category ^Actual_(mm) ^Normal_(mm) ^Departure_(%) ^Category

EAST & NORTH-EAST INDIA 51.5 43.9 17% N 423.3 331.8 28% E

NORTH-WEST INDIA 15.3 8.8 73% LE 38.1 108.3 -65% LD

CENTRAL INDIA 7.9 4.6 71% LE 19.9 32.5 -39% D

SOUTH PENINSULA 43.3 17 155% LE 186.4 104.2 79% LE

Country as a whole 24.1 14.6 65% LE 122.5 117.6 4% N

 Weekly cumulative rainfall distribution is presented in Fig-1

 Sub-division wise weekly and seasonal rainfall distribution is presented in Fig-2 and Fig-3.

 Sub-divisionwise daily distribution of realised Rainfall is shown in Table-1(A).

 Sub-divisionwise departure of realised Maximum temperature from Normal is shown in Table-1(C)

 Statewise distribution of number of districts with Large-Excesse, Excess, Normal, Deficient, Large-deficient and no rainfall is shown in Table-2.

 Cumulative seasonal rainfall data during the corresponding weekly period for the last five years are given in Table-3.

 Sub-divisionwise realised weekly rainfall (in cm) is shown in Annexure-1.

FORECAST & WARNING FOR THE NEXT WEEK 26 MAY TO 01 JUNE, 2022

 Detailed seven days Sub-division wise rainfall-forecast is given in Table-1(B).

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Fig-1

WEEKLY CUMULATIVE RAINFALL (19 MAY - 25 MAY, 2022)

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Table-1 (A)

METEOROLOGICAL SUB-DIVISIONWISE DISTRIBUTION OF REALISED RAINFALL-2022

S.No. MET.SUB-DIVISIONS 19 MAY 20 MAY 21 MAY 22 MAY 23 MAY 24 MAY 25 MAY

1 ANDAMAN & NICO.ISLANDS WS** WS** FWS FWS FWS FWS* FWS

2 ARUNACHAL PRADESH WS* WS WS FWS SCT ISOL SCT

3 ASSAM & MEGHALAYA WS* WS* WS* WS SCT ISOL SCT

4 NAGA.MANI.MIZO.& TRIPURA WS* WS* FWS FWS FWS SCT FWS

5 SUB-HIM.W. BENG. & SIKKIM WS* WS* WS* FWS SCT SCT ISOL

6 GANGETIC WEST BENGAL ISOL FWS ISOL FWS* ISOL SCT ISOL

7 ODISHA ISOL ISOL ISOL FWS** SCT FWS** ISOL

8 JHARKHAND ISOL SCT ISOL SCT FWS FWS* SCT

9 BIHAR ISOL FWS* ISOL SCT ISOL SCT SCT

10 EAST UTTAR PRADESH ISOL DRY ISOL ISOL ISOL FWS** ISOL

11 WEST UTTAR PRADESH ISOL DRY ISOL ISOL SCT WS** ISOL

12 UTTARAKHAND SCT SCT FWS ISOL WS* WS WS*

13 HARYANA CHD. & DELHI ISOL DRY ISOL ISOL WS** WS* ISOL

14 PUNJAB ISOL DRY ISOL ISOL FWS FWS* ISOL

15 HIMACHAL PRADESH ISOL ISOL SCT ISOL WS* WS* WS*

16 JAMMU & KASHMIR AND LADAKH DRY SCT WS* SCT FWS FWS* ISOL

17 WEST RAJASTHAN DRY DRY DRY ISOL ISOL SCT ISOL

18 EAST RAJASTHAN DRY DRY DRY ISOL ISOL FWS* ISOL

19 WEST MADHYA PRADESH DRY DRY ISOL ISOL ISOL SCT ISOL

20 EAST MADHYA PRADESH ISOL DRY DRY ISOL ISOL FWS* ISOL

21 GUJARAT REGION DRY DRY DRY DRY DRY DRY ISOL

22 SAURASTRA & KUTCH DRY DRY DRY DRY DRY DRY DRY

23 KONKAN & GOA ISOL SCT ISOL ISOL ISOL ISOL ISOL

24 MADHYA MAHARASHTRA DRY ISOL ISOL ISOL DRY DRY DRY

25 MARATHAWADA DRY ISOL ISOL DRY DRY DRY DRY

26 VIDARBHA ISOL DRY ISOL DRY ISOL DRY ISOL

27 CHHATTISGARH ISOL ISOL DRY ISOL ISOL ISOL ISOL

28 COASTAL ANDHRA PR. & YANAM ISOL SCT ISOL ISOL ISOL ISOL FWS**

29 TELANGANA SCT ISOL ISOL ISOL DRY DRY ISOL

30 RAYALASEEMA WS** FWS* ISOL ISOL DRY DRY ISOL

31 TAMIL. PUDU. & KARAIKAL SCT ISOL ISOL ISOL ISOL ISOL ISOL

32 COASTAL KARNATAKA WS WS** WS FWS WS* ISOL ISOL

33 NORTH INT.KARNATAKA WS** WS** WS** ISOL DRY DRY ISOL

34 SOUTH INT.KARNATAKA WS** WS** FWS* ISOL ISOL ISOL ISOL

35 KERALA & MAHE WS** WS WS** WS WS FWS FWS

36 LAKSHADWEEP FWS FWS FWS WS WS WS FWS

LEGENDS:

WS - WIDE SPREAD / MOST PLACES (76-100%) FWS - FAIRLY WIDE SPREAD / MANY PLACES (51% to 75%) SCT - SCATTERED / FEW PLACES (26% to 50%) ISOL - ISOLATED (up to 25%) D / DRY - NO STATION REPORTED RAINFALL

* ACTIVE (R/F 1^1/2- 4 times the normal with WS/FWS, at least 2 stations should be 5 cm. along west coast & 3 cm. elsewhere )

** VIGOROUS (R/F More than 4 times the normal with WS/FWS, at least 2 stations should be 8 cm. along west coast & 5 cm. elsewhere)

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Table-1 (B)

METEOROLOGICAL SUB-DIVISIONWISE WEEKLY RAINFALL FORECAST-2022

Sr. No MET.SUB-DIVISIONS 26 MAY 27 MAY 28 MAY 29 MAY 30 MAY 31 MAY 01 JUN

1 ANDAMAN & NICO.ISLANDS FWS FWS FWS FWS FWS FWS WS

2 ARUNACHAL PRADESH FWS^L^● SCT SCT FWS FWS^● FWS WS

3 ASSAM & MEGHALAYA FWS^L^● SCT^L FWS FWS^● FWS^● WS WS

4 NAGA.MANI.MIZO.& TRIPURA FWS^L^● FWS^L FWS FWS FWS^● WS WS

5 SUB-HIM.W. BENG. & SIKKIM FWS^L SCT SCT^L FWS^L FWS FWS WS

6 GANGETIC WEST BENGAL ISOL^L SCT^L SCT^L SCT^L SCT DRY DRY

7 ODISHA ISOL^L ISOL ISOL ISOL ISOL ISOL DRY

8 JHARKHAND ISOL^L ISOL^L ISOL SCT^L ISOL DRY DRY

9 BIHAR ISOL^L ISOL^L SCT^L SCT^L SCT ISOL ISOL

10 EAST UTTAR PRADESH DRY ISOL^L ISOL^L ISOL^L ISOL DRY DRY

11 WEST UTTAR PRADESH DRY ISOL^L ISOL^L ISOL DRY DRY DRY

12 UTTARAKHAND ISOL^L ISOL^# ISOL ISOL ISOL DRY DRY

13 HARYANA CHD. & DELHI DRY DRY DRY DRY DRY DRY DRY

14 PUNJAB DRY DRY ISOL ISOL DRY DRY DRY

15 HIMACHAL PRADESH ISOL^L ISOL^# SCT^L SCT^L ISOL DRY DRY

16 JAMMU & KASHMIR AND LADAKH ISOL^L ISOL^L SCT ^# FWS^L SCT^L ISOL DRY

17 WEST RAJASTHAN DRY DRY DRY^{+ DSTS} DRY^{+ DSTS} DRY DRY DRY

18 EAST RAJASTHAN DRY ISOL ISOL DRY DRY DRY DRY

19 WEST MADHYA PRADESH ISOL DRY DRY ISOL ISOL DRY DRY

20 EAST MADHYA PRADESH ISOL^L ISOL^L ISOL^L ISOL^L ISOL^L DRY DRY

21 GUJARAT REGION DRY DRY DRY DRY DRY DRY DRY

22 SAURASTRA & KUTCH DRY DRY DRY DRY DRY DRY DRY

23 KONKAN & GOA ISOL ISOL ISOL ISOL ISOL ISOL ISOL

24 MADHYA MAHARASHTRA DRY DRY ISOL ISOL ISOL ISOL ISOL

25 MARATHAWADA ISOL^L DRY DRY ISOL ISOL ISOL ISOL

26 VIDARBHA ISOL^L ISOL ISOL ISOL ISOL ISOL DRY

27 CHHATTISGARH ISOL^L ISOL^L ISOL^L ISOL^L ISOL^L ISOL ISOL

28 COASTAL ANDHRA PR. & YANAM SCT^L ISOL^L ISOL ISOL ISOL SCT SCT

29 TELANGANA ISOL^L ISOL^L ISOL ISOL ISOL ISOL SCT

30 RAYALASEEMA SCT^L ISOL ISOL ISOL ISOL ISOL SCT

31 TAMIL. PUDU. & KARAIKAL SCT^L^● SCT^L SCT^L ISOL ISOL ISOL DRY

32 COASTAL KARNATAKA SCT^L SCT^● SCT ISOL ISOL SCT SCT

33 NORTH INTERIOR KARNATAKA ISOL ISOL ISOL ISOL ISOL ISOL SCT

34 SOUTH INTERIOR KARNATAKA SCT^L ISOL ISOL ISOL ISOL SCT SCT

35 KERALA & MAHE WS^L^● WS^L WS^L WS^L WS^L SCT FWS

36 LAKSHADWEEP WS^L WS^L WS^L WS^L WS^L WS WS

LEGENDS:

WS - WIDE SPREAD / MOST PLACES (76-100%) FWS - FAIRLY WIDE SPREAD / MANY PLACES (51% to 75%) SCT - SCATTERED / FEW PLACES (26% to 50%) ISOL - ISOLATED (up to 25%) D / DRY - NO RAINFALL

●Heavy Rainfall (64.5-115.5 mm) ^●●Heavy to Very Heavy Rainfall (115.6-204.4 mm) ^●●●Extremely Heavy Rainfall (204.5 mm or more)

F Fog * Snowfall ^DSTSDust storm/ Thunderstorm ^$Thunderstorm with Squall ^L Thunderstorm with Lightning ^#Thunderstorm with Hail

⁺Heat Wave (Maximum temperature departure from Normal +4.5ÔC to +6.4ÔC) ⁺⁺ Severe Heat Wave (Maximum temperature departure from Normal ≥ +6.5ÔC)

^-Cold Wave (Minimum temperature departure from Normal -4.5ÔC to -6.4ÔC) ^{- -}Severe Cold Wave (Minimum temperature departure from Norma ≤ -6.5ÔC)

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Table-1 (C)

METEOROLOGICAL SUB-DIVISIONWISE REALISED MAXIMUM TEMPERATURE-2022

S.No MET.SUB-DIVISIONS 19 MAY 20 MAY 21 MAY 22 MAY 23 MAY 24 MAY 25 MAY

1 ANDAMAN & NICO.ISLANDS N N N N N N N

2 ARUNACHAL PRADESH N MBN ABN N AAN N N

3 ASSAM & MEGHALAYA N N ABN N N AAN N

4 NAGA.MANI.MIZO.& TRIPURA N N N N N N N

5 SUB-HIM.W. BENG. & SIKKIM N N N N N N N

6 GANGETIC WEST BENGAL N N N ABN N N N

7 ODISHA N N AN N N N N

8 JHARKHAND N AAN AAN BN BN ABN BN

9 BIHAR N N N ABN BN ABN BN

10 EAST UTTAR PRADESH N N N N ABN MBN N

11 WEST UTTAR PRADESH AN N N N MBN MBN N

12 UTTARAKHAND N AAN AN N MBN MBN BN

13 HARYANA, CHD. & DELHI AAN MAN N N MBN MBN MBN

14 PUNJAB AN AAN N N MBN MBN ABN

15 HIMACHAL PRADESH AAN MAN AN N BN MBN ABN

16 JAMMU & KASHMIR AND LADAKH N MBN N N N N N

17 WEST RAJASTHAN AAN N N AN N N N

18 EAST RAJASTHAN AAN N N N ABN N N

19 WEST MADHYA PRADESH N N N N N N N

20 EAST MADHYA PRADESH N N N N BN N N

21 GUJARAT REGION N N N N N N N

22 SAURASTRA & KUTCH AN N N N BN N N

23 KONKAN & GOA N N N N N N N

24 MADHYA MAHARASHTRA N MBN N ABN BN N N

25 MARATHAWADA N N N BN BN N N

26 VIDARBHA N N N N N N N

27 CHHATTISGARH N N N N N ABN BN

28 COASTAL ANDHRA PR. & YANAM N N N N N N N

29 TELANGANA ABN ABN N N N N N

30 RAYALASEEMA MBN MBN MBN ABN BN N N

31 TAMIL. PUDU. & KARAIKAL N N N N N N N

32 COASTAL KARNATAKA N MBN ABN N N N N

33 NORTH INTERIOR KARNATAKA MBN MBN MBN ABN ABN ABN BN

34 SOUTH INTERIOR KARNATAKA MBN MBN MBN ABN N BN BN

35 KERALA & MAHE MBN ABN N N N N N

36 LAKSHADWEEP N N N N BN N N

Highest Maximum Temperature (°C) ^47.1 ^47.8 ^45.6 ^45.2 ^43.3 ^43.6 ^43.4

Station/(s) observed HMT Barmer Dholpur(AWS) Fatehgarh Phalodi Tuni and

Jaisalmer Vijayawada Chandrapur Station/(s) lies in Met-Subdivision/(s) West Raj. East Raj. East MP West Raj. CAP & W. Raj Coastal AP Vidarbha

Lowest Minimum Temperature (°C) 18.0 19.4 21.4 19.8 15.2 17.0 18.2

Station/(s) observed LMT Baripada Mangalore Tirupattur Gorakhpur Delhi Ridge Delhi Ridge Bhiwani

Station/(s) lies in Met-Subdivision/(s) Odisha C.K Tamilnadu East UP Delhi Delhi Haryana

LEGENDS:

N- NORMAL LONG PERIOD AVERAGE ±1ÔC BN -BELOW NORMAL (N-2)ÔC AN -ABOVE NORMAL (N+2)ÔC ABN- APPRECIABLY BELOW NORMAL (3.1 to 4.9)ÔC BELOW NORMAL AAN- APPRECIABLY ABOVE NORMAL (3.1 to 4.9)ÔC ABOVE NORMAL

MBN MARKEDLY BELOW NORMAL 5^OCOR MORE BELOW NORMAL MAN- MARKEDLY ABOVE NORMAL 5^OC OR MORE ABOVENORMAL

 -Cold Wave (Minimum temperature departure from Normal -4.5ÔC to -6.4ÔC) ⁺Heat Wave (Maximum temperature departure from Normal +4.5ÔC to +6.4ÔC)

- -Severe Cold Wave (Minimum temperature departure from Norma ≤ -6.5^OC) ⁺⁺ Severe Heat Wave (Maximum temperature departure from Normal ≥ +6.5^OC)

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Table-2

STATEWISE DISTRIBUTION OF NO. OF DISTRICTS

WITH LARGE EXCESS, EXCESS, NORMAL,DEFICIENT, LARGE DEFICIENT AND NO RAINFALL S.NO STATES

PERIOD FROM:01.03.2022 TO 25.05.2022

L.E EXCESS NORMAL DEFICIENT L.D N.R N.DATA TOTAL

1 ANDAMAN & NICOBAR 1 2 0 0 0 0 0 3

2 ARUNACHAL PRADESH 3 4 7 1 0 0 1 16

3 ASSAM 11 9 6 1 0 0 0 27

4 MEGHALAYA 5 1 1 0 0 0 0 7

5 NAGALAND 2 2 6 1 0 0 0 11

6 MANIPUR 3 2 3 1 0 0 0 9

7 MIZORAM 0 0 1 7 0 0 0 8

8 TRIPURA 0 0 0 4 0 0 0 4

9 SIKKIM 1 0 2 1 0 0 0 4

10 WEST BENGAL 1 2 11 5 0 0 0 19

11 ODISHA 0 3 8 15 4 0 0 30

12 JHARKHAND 1 4 10 9 0 0 0 24

13 BIHAR 4 6 17 10 1 0 0 38

14 UTTAR PRADESH 6 8 15 25 19 2 0 75

15 UTTARAKHAND 0 0 3 10 0 0 0 13

16 HARYANA 2 4 9 5 2 0 0 22

17 CHANDIGARH (UT) 0 0 0 0 1 0 0 1

18 DELHI (UT) 2 1 2 4 0 0 0 9

19 PUNJAB 0 0 3 7 12 0 0 22

20 HIMACHAL PRADESH 0 0 1 3 8 0 0 12

21 JAMMU & KASHMIR 0 0 0 5 15 0 0 20

22 MADHYA PRADESH 4 4 2 11 26 5 0 52

23 GUJARAT 0 0 0 2 6 25 0 33

24 DADAR & NAGAR HAVELI 0 0 0 0 0 1 0 1

25 DAMAN & DIU (UT) 1 1 0 0 0 0 0 2

26 GOA 2 0 0 0 0 0 0 2

27 MAHARASHTRA 1 0 3 5 18 9 0 36

28 CHHATTISGARH 3 3 3 7 10 1 0 27

29 ANDHRA PRADESH 3 4 4 2 0 0 0 13

30 TELANGANA 2 4 6 12 9 0 0 33

31 TAMIL NADU 8 17 10 3 0 0 0 38

32 PUDUCHERRY (UT) 3 1 0 0 0 0 0 4

33 KARNATAKA 28 1 1 0 0 0 0 30

34 KERALA 13 1 0 0 0 0 0 14

35 LAKSHADWEEP (UT) 1 0 0 0 0 0 0 1

36 LADAKH (UT) 0 0 0 1 1 0 0 2

37 RAJASTHAN 3 1 4 10 12 3 0 33

TOTAL 114 85 138 167 144 46 1 695

CATEGORYWISE DISTRIBUTION OF DISTRICTS

OUT OF 694 WHOSE DATA RECEIVED 16% 12% 20% 24% 21% 7%

PERCENTAGE DISTRIBUTION OF DISTRICTS IN EARLIER YEARS SINCE MARCH 1st

DATE LARGE EXCESS EXCESS NORMAL DEFICIENT LARGE DEFICIENT NO RAIN

26-5-2021 48% 15% 16% 18% 4% 0%

27-5-2020 51% 12% 13% 15% 7% 2%

22-5-2019 12% 10% 19% 28% 25% 6%

23-5-2018 13% 11% 22% 26% 29% 9%

24-5-2017 6% 12% 22% 26% 24% 10%