Friday 22 May 2020 MORNING Time of Issue: 0800 hours IST ALL INDIA WEATHER SUMMARY AND FORECAST BULLETIN
Significant Weather Features
♦ The Deep Depression (remnant of Super Cyclonic Storm 'AMPHAN') has further weaken into a well marked low pressure area over North Bangladesh & neighbourhood at 2330 hours IST of 21st May, 2020 and now well marked low pressure area over North Bangladesh & neighbourhood persists. It is very likely to continue to move north-northeastwards and weaken further into a Low pressure area during next 12 hours.
♦ The Northern Limit of Monsoon (NLM) continues to pass through Lat.5°N/Long.85°E, Lat.8°N/Long.90°E, Car Nicobar, Lat.11°N/Long.95°E.
♦ Heat wave very likely to occur over Rajasthan during 22nd-25th May, West Madhya Pradesh, Vidarbha and Telangana during 22nd-24th May; over Coastal Andhra Pradesh & Yanam, North Interior Karnataka and Tamilnadu, Puducherry & Karaikal during 22nd-23rd May, over East Madhya Pradesh and Rayalseema during 22nd-24th May, over Uttar Pradesh during 22nd-25th May, 2020.
Main Weather Observations
♦ Rain/Thundershowers observed (from 0830 hours IST to 1730 hours IST of yesterday): at most places over Arunachal Pradesh, Assam & Meghalaya and Sub-Himalayan West Bengal & Sikkim; at a few places over Gangetic West Bengal, Nagaland, Manipur, Mizoram & Tripura and Kerala & Mahe and at isolated places over Bihar, Rayalaseema and Tamilnadu, Puducherry & Karaikal.
♦ Rainfall recorded (from 0830 hours IST to 1730 hours IST of yesterday) (1 cm or more): Cherrapunji-8; Majbat and Rangia-4 each;
Tezpur-3;Shillong, Goalpara and Dhubri-2 each; Cooch Behar, Purnea, Bhagalpur, Itanagar, Lakhimpur, Tangla, Chaparmukh, Thiruvananthapuram-1 each.
♦ Heavy rainfall yesterday occured at isolated places over Assam & Meghalaya.
♦ Thunderstorm observed ( From 0830 hours IST of yesterday to 0530 hours IST of today ) at isolated places over Kerala & Mahe.
♦ Maximum Temperature Departures as on 21-05-2020: Maximum temperatures were appreciably above normal (3.1°C to 5.0°C) at many places over Jammu & Kashmir, Ladakh, Gilgit-Baltistan, Muzaffarabad; at a few places over Himachal Pradesh, Saurashtra & Kutch and Coastal Andhra Pradesh & Yanam; at isolated places over Uttarakhand, Haryana, Chandigarh & Delhi and Gujarat region; above normal (1.6°C to 3.0°C) at most places over West Rajasthan and Rayalaseema; at many places over Punjab, Madhya Maharashtra, Marathwada and Telangana; at a few places over East Rajasthan, West Madhya Pradesh and Konkan & Goa and at isolated places over Odisha, Kerala & Mahe and Tamilnadu, Puducherry & Karaikal. They were markedly below normal (-5.0°C or less) at most places over Bihar and Jharkhand; at a few places over Arunachal Pradesh, Assam & Meghalaya and West Bengal & Sikkim; appreciably below normal (-3.1°C to -5.0°C) at isolated places over Chhattisgarh; below normal (-1.6°C to -3.0°C) at a few places over East Uttar Pradesh and at isolated places over West Uttar Pradesh and near normal over rest parts of the country. Yesterday, the highest maximum temperature of 46.0°C was reported at Vijaywada ( Coastal Andhra Pradesh & Yanam).
♦ Minimum Temperature Departures as on 21-05-2020: Minimum temperatures were above normal (1.6°C to 3.0°C) at many places over Rayalaseema; at a few places over West Rajasthan and Coastal Andhra Pradesh & Yanam; and at isolated places over Gujarat state, Madhya Maharashtra, Marathwada, Kerala and Tamilnadu, Puducherry & Karaikal. They were markedly below normal (-5.1°C or less) at a few places over isolated places over Odisha and at isolated places over Haryana, Chandigarh & Delhi; appreciably below normal (- 3.1°C to -5.0°C) at most places over Chhattisgarh; at many places over Madhya Pradesh and Vidarbha; at a few places over East Rajasthan and Uttar Pradesh; and at isolated places over Himachal Pradesh; below normal (-1.6°C to -3.0°C) at many places over Punjab; at a few places over Jammu & Kashmir, Ladakh, Gilgit-Baltistan & Muzaffarabad; at isolated places over Assam & Meghalaya and near normal over rest parts of the country. Yesterday, the lowest minimum temperature of 18.6°C was reported at Angul (Odisha) over the plains of the country.
* 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)
Meteorological Analysis (Based on 0530 hours IST)
♦ The Well Marked Low Pressure Area over North Bangladesh & neighbourhood persists. It is very likely to continue to move north-northeastwards and weaken further into a Low pressure area during next 12 hours.
♦ The Northern Limit of Monsoon (NLM) continues to pass through Lat.5°N/Long.85°E, Lat.8°N/Long.90°E, Car Nicobar, Lat.11°N/Long.95°E.
♦ The Western Disturbance as a trough with its axis at 5.8 km above mean sea level roughly along Longitude 62°E to the north of latitude 25°N persists.
♦ The cyclonic circulation over East Uttar Pradesh extending upto 0.9 km above mean sea level persists.
♦ The cyclonic circulation over southeast Arabian Sea off Kerala coast between 2.1 km and 5.8 km above mean sea level persists.
Weather Forecast for next 5 days * upto 0830 hours IST of 27th May, 2020
♦ Meteorological sub-division wise detailed 5 days precipitation forecast is given in Table-1.
♦ Maximum temperatures likely to rise by 3-5°C over eastern states during next 72 hours. No significant change in maximum temperatures likely over Gujarat state during next 24 hours and gradual reduction by 3-4°C during subsequent 48 hours.
♦ No significant change in maximum temperatures likely over rest parts of the country during next 24 hours.
Weather Outlook for subsequent 2 days from 27th May, 2020 to 29th May, 2020
♦ Fairly widespread to widespread rain/ thundershowers likely over northeast India and over adjoining parts of east India. Isolated heavy rainfall is also likely over northeast India.
♦ Scattered to fairly widespread rain/ thundershowers likely over parts of south peninsular India and Islands. Isolated to scattered rain/
thundershowers likely over Western Himalayan region and parts of north and east India.
♦ Dry weather likely to prevail over the remaining parts of the country.
* Red color warning does not mean "Red Alert" Red color warning means "Take Action".
Weather Warning during next 5 days *
22 May (Day 1): ♦ Thunderstorm accompanied with lightning, hail & gusty winds (speed reaching 30-40 kmph) very likely at isolated places over Jammu & Kashmir, Ladakh, Gilgit-Baltistan, Muzaffarabad; with lightning & gusty winds (speed reaching 30-40 kmph) at isolated places over Punjab, Haryana, Chandigarh & Delhi, Kerala & Mahe and Lakshadweep and with lightning at isolated places over Himachal Pradesh.
♦ Heavy rainfall very likely at isolated places over Arunachal Pradesh.
♦ Heat wave conditions very likely in isolated pockets over Rajasthan, Coastal Andhra Pradesh & Yanam, Rayalseema, Telangana, North Interior Karnataka, Tamilnadu, Puducherry & Karaikal, Madhya Pradesh and Vidarbha. Duststorm accompanied with gusty winds (speed reaching 30-40 kmph) very likely at isolated places over Rajasthan.
♦ Squally weather (wind speed reaching 40-50 kmph) very likely to prevail over Southeast Arabian Sea and Kerala coast. Strong surface wind speed reaching 40-50 kmph very likely to prevail over Southwest Arabian Sea and Gulf of Mannar.
23 May (Day 2): ♦ Thunderstorm accompanied with lightning, hail & gusty winds (speed reaching 30-40 kmph) likely at isolated places over Jammu & Kashmir, Ladakh, Gilgit-Baltistan, Muzaffarabad and Himachal Pradesh and with lightning & gusty winds (speed reaching 30-40 kmph) at isolated places over Uttarakhand, Punjab and Haryana, Chandigarh & Delhi and with lightning at isolated places over Sub-Himalayan West Bengal & Sikkim, Kerala & Mahe and Lakshadweep.
♦ Heavy rainfall very likely at isolated places over Sub-Himalayan West Bengal & Sikkim.
♦ Heat wave conditions very likely in isolated pockets over Uttar Pradesh, Rajasthan, Coastal Andhra Pradesh & Yanam, Rayalseema, Telangana, North Interior Karnataka, Tamilnadu, Puducherry & Karaikal, Madhya Pradesh and Vidarbha. Duststorm accompanied with gusty winds (speed reaching 30-40 kmph) likely at isolated places over Rajasthan.
♦ Strong surface wind speed reaching 40-50 kmph very likely to prevail over Southwest Arabian Sea.
24 May (Day 3): ♦ Thunderstorm accompanied with lightning & gusty winds (speed reaching 30-40 kmph) likely at isolated places over Bihar, Arunachal Pradesh, Assam & Meghalaya, South Interior Karnataka, Tamilnadu, Puducherry & Karaikal and Kerala & Mahe and with lightning at isolated places over Jharkhand and Lakshadweep.
♦ Heavy to very rainfall likely at isolated places over Sub-Himalayan West Bengal & Sikkim and Heavy rainfall likely at isolated places over Arunachal Pradesh, Assam & Meghalaya, South Interior Karnataka and Kerala & Mahe.
♦ Heat wave conditions very likely in isolated pockets over Uttar Pradesh, Rajasthan, Rayalseema, Telangana, Madhya Pradesh and Vidarbha.
♦ Strong surface wind speed reaching 40-50 kmph very likely to prevail over Southwest Arabian Sea.
25 May (Day 4): ♦ Thunderstorm accompanied with lightning & gusty winds (speed reaching 30-40 kmph) likely at isolated places over Bihar, Arunachal Pradesh, Assam & Meghalaya and Nagaland, Manipur, Mizoram & Tripura, South Interior Karnataka, Tamilnadu, Puducherry & Karaikal and Kerala & Mahe and with lightning at isolated places over Jharkhand, Odisha, Gangetic West Bengal &
Sikkim and Lakshadweep.
♦ Heavy rainfall likely at isolated places over Sub-Himalayan West Bengal & Sikkim, Arunachal Pradesh, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, South Interior Karnataka and Tamilnadu, Puducherry & Karaikal.
♦ Heat wave conditions likely in isolated pockets over Uttar Pradesh and Rajasthan.
♦ Strong surface wind speed reaching 40-50 kmph very likely to prevail over Southwest Arabian Sea.
26 May (Day 5): ♦ Thunderstorm accompanied with lightning & gusty winds (speed reaching 30-40 kmph) likely at isolated places over Bihar, Arunachal Pradesh, Assam & Meghalaya and Nagaland, Manipur, Mizoram & Tripura, South Interior Karnataka, Tamilnadu, Puducherry & Karaikal and Kerala & Mahe and with lightning at isolated places over Jharkhand, Odisha, Gangetic West Bengal &
Sikkim and Lakshadweep.
♦ Heavy rainfall likely at isolated places over Sub-Himalayan West Bengal & Sikkim, Arunachal Pradesh, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, South Interior Karnataka and Tamilnadu, Puducherry & Karaikal.
♦ Heat wave conditions likely in isolated pockets over Uttar Pradesh and Rajasthan.
♦ Strong surface wind speed reaching 40-50 kmph very likely to prevail over Southwest Arabian Sea.
Kindly visit State level Meteorological Centre / Regional Meteorological Centre website for district wise forecast & color coded warning.
* 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)
Table-1
* Red color warning does not mean "Red Alert" Red color warning means "Take Action".
ALL INDIA WEEKLY WEATHER REPORT 14 MAY - 20 MAY 2020
Table-1(A) Table-1(B) Table-1(C) Table-2 Table-3 Fig-1 Fig-2 Annexure-1
SIGNIFICANT WEATHER FEATURES Advance of Southwest Monsoon:
♦ The Southwest Monsoon has advanced into some parts of South Bay of Bengal, Nicobar Islands & Andaman Sea on 17th May 2020.The Northern Limit of Monsoon( NLM) passed through Lat.5°N/Long.85°E, Lat.8°N/Long.90°E, Car Nicobar,Lat.11°N/Long.95°E on 17th May 2020 and it continued like that till the end of the week.
Low Pressure System:
♦ A Low pressure area has formed over Southeast Bay of Bengal and adjoining south Andaman Sea towards the end of last week. It lay as a Well Marked Low Pressure Area over Southeast Bay of Bengal & neighborhood in the beginning of the week.It concentrated into a Depression Iin the early hours on 16th May and further intensified into a Deep Depression in the afternoon of the same day. It intensified further into a Cyclonic storm
"AMPHAN" (pronounced as UM-PUN) by the evening of 16th May, 2020 over Southeast Bay of Bengal and neighbourhood; it further intensified into a Severe Cyclonic Storm in the morning of 17th May, 2020 over Southeast Bay of Bengal and neighbourhood. It underwent rapid intensification during next twenty four hours and accordingly attained the intensity of Very Severe Cyclonic Storm by the afternoon of 17th May, 2020, of Extremely Severe Cyclonic storm " in the early hours of 18th May, 2020 and that of Super Cyclonic Storm in the forenoon of 18th May, 2020.It maintained the same intensity for about a day’s period but weakened slightly and lay as an Extremely Severe Cyclonic Storm over West Central Bay in the afternoon of 19th May 2020.Moving nearly northwards and then north-northeastwards, it crossed West Bengal – Bangladesh coasts as a Very Severe Cyclonic Storm with a wind speed of 155-165 kmph gusting to 185 kmph across Sundarbans, near Lat. 21.65°N and longitude 88.3°E. After crossing, It moved north-northeastwards and weakened into a Severe Cyclonic Storm and lay over Bangladesh and adjoining West Bengal around the midnight on 20th may 2020.
♦ Kolkata (Dum Dum) reported 130 kmph at 1855 hrs IST and Kolkata (Alipore) reported 112 kmph at 1752 hrs IST of 20th May in association with the passage of the system.
♦ This system in its initial stages has caused fairly widespread to widespread rainfall/thunderstorm activity along with isolated heavy falls over Andaman & Nicobar Islands in the beginning of the week and fairly widespread to widespread rainfall along with very intense rainfall activity over Coastal Odisha and West Bengal towards the end of the week.
➢ Strengthening of westerlies along the west coast due to the formation of low pressure system in the Bay of Bengal and wind convergence have caused fairly widespread to widespread rainfall/thunderstorm activity along with isolated intense to very intense rainfall over parts of south peninsular India.
➢ Remnants of Western disturbances and east-west troughs in lower levels have caused scattered to fairly widespread rain/thunderstorm activity over northeast and adjoining parts of east India.
Heavy Rainfall:
♦ Heavy to very heavy rainfall with extremely heavy rainfall at isolated places had been recorded over Odisha on one day during the week.
♦ Heavy to very heavy rainfall at isolated places had been recorded at Sub Himalayan West Bengal & Sikkim, Kerala & Mahe and South Interior Karnataka on one day each during the week.
♦ Heavy rainfall had been recorded at isolated places over Sub Himalayan West Bengal & Sikkim on four days;
over Assam & Meghalaya and Kerala & Mahe on three days each; over Coastal & North Interior Karnataka on two days each; over Andaman & Nicobar islands, Nagaland, Manipur, Mizoram & Tripura, Gangetic West Bengal, Bihar, Odisha, Chattisgarh, West Madhya Pradesh, Tamil Nadu, Puducherry &Karaikkal, and South Interior Karnataka on one day each during the week.
Temperature Scenario:
♦The highest maximum temperature of 45.0oC had been recorded at Khargone (West Madhya Pradesh) on 20th May 2020, over the plains of the country during the week.
LEGEND: A few days- 3 days, Many days- 4 to 5 days and Most days- 6 to 7 days during the week.
Government of India Ministry of Earth Sciences India Meteorological Department National Weather Forecasting Centre
METEOROLOGICALANALYSIS
♦ Last week’s Low pressure area over Southeast Bay of Bengal and adjoining south Andaman Sea lay as a Well Marked Low Pressure Area over Southeast Bay of Bengal & neighbourhood with the associated cyclonic circulation extending upto mid-tropospheric levels on 14th May 2020; It persisted over the same region with the associated cyclonic circulation extending upto mid-tropospheric levels on 15th; it concentrated into a Depression and lay centred at 0530 hrs IST of 16th May, 2020 over Southeast Bay of Bengal near latitude 10.4°N and longitude 87.0°E, about 1100 km south of Paradip (Odisha), 1250 km south of Digha (West Bengal) and 1330 km south-southwest of Khepupara (Bangladesh);it lay centred at 0830 hrs IST of the same day over Southeast Bay of Bengal near latitude 10.7°N and longitude 86.5°E, about 1060 km south of Paradip (Odisha), 1220 km south-southwest of Digha (West Bengal) and 1310 km south-southwest of Khepupara (Bangladesh); it intensified into a Deep Depression in the afternoon of the same day and lay centred at 1430 hrs IST of 16th May, 2020 over Southeast Bay of Bengal , near latitude 10.9°N and longitude 86.3°E, about 1040 km south of Paradip (Odisha), 1200 km south-southwest of Digha (West Bengal) and 1300 km southsouthwest of Khepupara (Bangladesh); remaining practically stationary over Southeast Bay of Bengal and neighbourhood it rapidly intensified into a Cyclonic storm "AMPHAN" (pronounced as UM-PUN) and lay centred at 1730 hrs IST of 16th May, 2020 over Southeast Bay of Bengal and neighbourhood, near latitude 10.9°N and longitude 86.3°E, about 1040 km south of Paradip (Odisha), 1200 km south-southwest of Digha (West Bengal) and 1300 km south-southwest of Khepupara (Bangladesh); Moving north-northwestwards and then northwestwards, it intensified into a Severe Cyclonic Storm and lay centred at 0830 hrs IST of 17th May, 2020 over Southeast Bay of Bengal and neighbourhood, near latitude 11.4°N and longitude 86.0°E, about 990 km south of Paradip (Odisha), 1140 km south-southwest of Digha (West Bengal) and 1260 km south-southwest of Khepupara (Bangladesh); moving slowly northtwards, it further intensified into a Very Severe Cyclonic Storm and lay centred at 1430 hrs IST of 17th May, 2020 over central parts of South Bay of Bengal and neighbourhood near latitude 11.7°N and longitude 86.0°E, about 960 km south of Paradip (Odisha), 1110 km south-southwest of Digha (West Bengal) and 1230 km south-southwest of Khepupara (Bangladesh); it further intensified into an Extremely Severe Cyclonic storm " in the early hours of 18th May, 2020 over central parts of South Bay of Bengal and adjoining Central Bay of Bengal and moving nearly northwards, it lay centred at 0830 hrs IST of 18th May, 2020 over Westcentral and adjoining Central parts of South Bay near latitude 13.3°N and longitude 86.3°E, about 780 km south of Paradip (Odisha), 930 km south-southwest of Digha (West Bengal) and 1050 km south-southwest of Khepupara (Bangladesh); it intensified further into a Super Cyclonic Storm at 1130 IST of 18th May, 2020 and moving nearly northwards, it lay centered at 1730 hrs IST of 18th May, 2020 over Westcentral Bay of Bengal near latitude 14.0°N and longitude 86.3°E, about 700 km nearly south of Paradip (Odisha), 860 km south-southwest of Digha (West Bengal) and 980 kms southwest of Khepupara (Bangladesh);
moving north-northeastwards, it lay centered at 0830 IST of 19th May, 2020 near latitude 16.0°N and longitude 86.8°E over Westcentral Bay of Bengal about 480 km nearly south of Paradip (Odisha), 630 km south-southwest of Digha (West Bengal) and 750 km south-southwest of Khepupara (Bangladesh). It moved nearly northtwards, and lay centered at 1430 IST of 19th May, 2020 over Westcentral Bay of Bengal as an Extremely Severe Cyclonic Storm near latitude 17.0°N and longitude 86.9°E , about 360 km nearly south of Paradip (Odisha), 510 km south-southwest of Digha (West Bengal) and 650 km southsouthwest of Khepupara (Bangladesh). Moving nearly northwards and then north-northeastwards, it lay centered at 0830 hours IST of 20th May, 2020 as an Extremely Severe Cyclonic Storm over Northwest Bay of Bengal near latitude 19.8°N and longitude 87.7°E, about 120 km east-southeast of Paradip (Odisha), 200 km south of Digha (West Bengal) and 360 km southwest of Khepupara (Bangladesh); it moved north-northeastwards and crossed West Bengal – Bangladesh coasts as a Very Severe Cyclonic Storm with a speed of 155-165 kmph gusting to 185 kmph across Sundarbans, near Lat. 21.65°N and longitude 88.3°E and lay centred at 1730 hrs IST of 20th May, 2020, over West Bengal coast near latitude 21.9°N and longitude 88.4°E, about 70 km nearly to the south of Kolkata (West Bengal), 95 km east-northeast of Digha (West Bengal), 35 km northeast of Sagar Islands and 185 km south- southwest of Khepupara (Bangladesh). It moved north-northeastwards further and lay centered at 2330 hrs IST of 20th may 2020 as a Severe Cyclonic Storm over Bangladesh and adjoining West Bengal, near Lat. 23.3°N and Long. 89.0°E about 110 km northeast of Kolkata, 240 km northeast of Digha (West Bengal), 200 km north- northeast of Sagar Islands and 190 km northwest of Khepupara (Bangladesh).
♦ Last week’s Western Disturbance as a trough in mid-tropospheric westerlies with its axis at 5.8 km above mean sea level ran roughly along Longitude 62°E to the north of latitude 25°N on 14th May 2020;it ran roughly along Longitude 63°E to the north of latitude 28°N on 15thand roughly along Longitude 65°E to the north of latitude 30°N on 16th; it ran roughly along Longitude 68°E to the north of latitude 28°N on 17th; it lay as a trough with its axis roughly along Longitude 72°E to the north of latitude 25°N between 5.8 km and 7.6 km above mean sea level on 18th; it ran roughly along Longitude 80°E to the north of latitude 25°N between 5.8 km and 7.6 km above mean sea level on 19th May 2020; it ran roughly along Longitude 82°E to the north of latitude 25°N
♦ Last week’s trough/wind discontinuity from southwest Madhya Pradesh to South Interior Karnataka ran from Marathwada to South Interior Karnataka across North Interior Karnataka and extended upto 0.9 km above mean sea level on 14th May 2020; it has become less marked on 15th May 2020.
♦ Last week’s cyclonic circulation over Comorin area & neighbourhood between 1.5 km & 2.1 km above mean sea level has become less marked on 14th May 2020.
♦ Last week’s trough in upper tropospheric westerlies with its axis at 7.6 km above mean sea level roughly along longitude 93°E to the north of latitude 26°N has moved away eastwards on 14th May 2020.
♦ A cyclonic circulation extending upto 1.5 km above mean sea level lay over West Rajasthan & neighbourhood on 14th May 2020; it lay over East Rajasthan & neighbourhood and extended upto 0.9 km above mean sea level on 15th; it has become less marked on 16th May 2020.
♦ A cyclonic circulation extending upto 0.9 km above mean sea level lay over southern parts of Assam &
neighbourhood on 14th May 2020; it has become less marked on 15th May 2020.
♦ A cyclonic circulation lay over East Uttar Pradesh & neighbourhood and extended upto 0.9 km above mean sea level on 15th May 2020; it has become less marked on 16th May 2020.
♦An east-west trough ran from the cyclonic circulation over East Uttar Pradesh & neighbourhood to south Assam at 0.9 km above mean sea level on 15th May 2020; it has become less marked on 16th May 2020.
♦ A cyclonic circulation lay over Maldives area & neighbourhood at 1.5 km above mean sea level on 15th May 2020; it has become less marked on 16th May 2020.
♦ A cyclonic circulation between 0.9 & 1.5 km above mean sea level lay over north Pakistan & neighbourhood on 16th May 2020; it lay over East Pakistan and adjoining West Rajasthan at 0.9 km above mean sea level on 17th; it has become less marked on 18th May 2020.
♦ A cyclonic circulation extending upto 0.9 km above mean sea level lay over West Madhya Pradesh &
neighbourhood on 16th May 2020; it has become less marked on 17th May 2020.
♦ A cyclonic circulation extending upto 0.9 km above mean sea level lay over east Bangladesh & adjoining Meghalaya on 16th may 2020; it persisted over the same region on 17th & 18th; it has become less marked on 19th May 2020.
♦ A trough ran from south Bihar to the cyclonic circulation over east Bangladesh and adjoining Meghalaya and extended upto 0.9 km above mean sea level on 16th may 2020; it ran from Sub-Himalayan West Bengal to the cyclonic circulation over east Bangladesh & adjoining Meghalaya and extended upto 0.9 km above mean sea level on 17th; it has become less marked on 18th May 2020.
♦ A cyclonic circulation between 3.6 km & 4.5 km above mean sea level lay over Southeast Arabian Sea off Kerala coast on 17th May 2020; it has become less marked on 18th May 2020.
♦ A cyclonic circulation lay over East Vidarbha & neighbourhood and extended upto 0.9 km above mean sea level on 18th May 2020; it has become less marked on 19th May 2020.
RAINFALL SUMMARY
CATEGORY WEEK SEASON
14.05.2020 TO 20.05.2020 01.03.2020 TO 20.05.2020
LARGE EXCESS 6 18
EXCESS 3 3
NORMAL 9 9
DEFICIENT 7 6
LARGE DEFICIENT 10 0
NO RAIN 1 0
Cumulative Rainfall (mm)
Actual Normal % Departure Actual Normal % Departure 12.4 14.1 -12% 123.1 107.1 +15%
• Sub-division wise weekly and seasonal rainfall distribution is presented in Fig-1 and Fig-2.
• 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 21 MAY TO 27 MAY 2020
➢ Detailed seven days Sub-division wise rainfall-forecast & weather-warning is given in Table-1(B).
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Table-1 (A)
METEOROLOGICAL SUB-DIVISIONWISE DISTRIBUTION OF REALISED RAINFALL-2020 S.No. MET.SUB-DIVISIONS 14 MAY 15 MAY 16 MAY 17 MAY 18 MAY 19 MAY 20 MAY
1 ANDAMAN & NICO.ISLANDS WS FWS FWS FWS FWS FWS WS
2 ARUNACHAL PRADESH WS ISOL WS WS SCT ISOL ISOL
3 ASSAM & MEGHALAYA WS FWS WS WS ISOL ISOL SCT
4 NAGA.MANI.MIZO.& TRIPURA SCT SCT SCT FWS ISOL ISOL FWS
5 SUB-HIM.W. BENG. & SIKKIM FWS* FWS WS* WS* SCT SCT ISOL
6 GANGETIC WEST BENGAL SCT SCT ISOL ISOL D D WS**
7 ODISHA ISOL ISOL ISOL ISOL ISOL ISOL FWS**
8 JHARKHAND ISOL SCT D ISOL D D SCT
9 BIHAR ISOL ISOL ISOL ISOL D ISOL ISOL
10 EAST UTTAR PRADESH ISOL D ISOL D D ISOL D
11 WEST UTTAR PRADESH ISOL ISOL ISOL D ISOL ISOL D
12 UTTARAKHAND ISOL ISOL ISOL D D D ISOL
13 HARYANA CHD. & DELHI ISOL SCT D D D D D
14 PUNJAB ISOL WS D D D D D
15 HIMACHAL PRADESH ISOL FWS ISOL D ISOL ISOL D
16 JAMMU & K. AND LADAKH ISOL FWS D ISOL ISOL SCT ISOL
17 WEST RAJASTHAN ISOL ISOL D D D D D
18 EAST RAJASTHAN ISOL ISOL ISOL ISOL D D D
19 WEST MADHYA PRADESH ISOL ISOL ISOL ISOL ISOL D D
20 EAST MADHYA PRADESH ISOL ISOL SCT ISOL ISOL SCT D
21 GUJARAT REGION D.D. & N.H. D D D D D D D
22 SAURASTRA KUTCH & DIU D D D D D ISOL D
23 KONKAN & GOA D SCT ISOL D D D D
24 MADHYA MAHARASHTRA ISOL SCT SCT SCT ISOL D ISOL
25 MARATHAWADA ISOL SCT ISOL ISOL ISOL ISOL D
26 VIDARBHA ISOL ISOL ISOL SCT D ISOL D
27 CHHATTISGARH ISOL ISOL ISOL ISOL ISOL ISOL ISOL
28 COASTAL A. PR. & YANAM D D D ISOL ISOL SCT ISOL
29 TELANGANA ISOL ISOL ISOL SCT ISOL ISOL D
30 RAYALASEEMA D D D ISOL SCT SCT ISOL
31 TAMIL. PUDU. & KARAIKAL ISOL ISOL ISOL ISOL SCT ISOL ISOL
32 COASTAL KARNATAKA ISOL FWS SCT ISOL FWS FWS SCT
33 NORTH INT.KARNATAKA ISOL FWS FWS ISOL FWS ISOL SCT
34 SOUTH INT.KARNATAKA SCT SCT ISOL ISOL WS SCT ISOL
35 KERALA & MAHE SCT FWS FWS ISOL WS WS FWS
36 LAKSHADWEEP FWS SCT FWS WS WS SCT 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 11/2- 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 & Wx. WARNINGS-2020 Sr. No MET.SUB-DIVISIONS 21 MAY 22 MAY 23 MAY 24 MAY 25 MAY 26 MAY 27 MAY
1 ANDAMAN & NICO.ISLANDS FWS SCT SCT SCT SCT ISOL ISOL
2 ARUNACHAL PRADESH WS●● FWS● FWS WSTS● WSTS● WSTS● WSTS●
3 ASSAM & MEGHALAYA WS●●● FWS FWS WSTS● WSTS● WSTS● WSTS●●
4 NAGA.MANI.MIZO.& TRIPURA WS● FWS SCT FWS FWSTS● FWSTS● WSTS● 5 SUB-HIM.W. BENG. & SIKKIM WS● FWS FWSTS● WSTS● WSTS● FWSTS● FWSTS
6 GANGETIC WEST BENGAL SCTTS ISOL ISOL ISOL SCTTS ISOLTS ISOLTS
7 ODISHA ISOL D D ISOL ISOLTS ISOL ISOL
8 JHARKHAND ISOL ISOL ISOL ISOLTS ISOLTS ISOLTS ISOLTS
9 BIHAR ISOL ISOL ISOL ISOLTS ISOLTS ISOLTS SCTTS
10 EAST UTTAR PRADESH D D D+ D+ D+ D+ ISOL+
11 WEST UTTAR PRADESH D D D+ D+ D+ D+ ISOL+
12 UTTARAKHAND D D ISOLTS ISOL ISOL ISOLTS ISOLTS
13 HARYANA CHD. & DELHI D ISOLTS ISOLTS D D D D+
14 PUNJAB D ISOLTS ISOLTS D D D+ D+
15 HIMACHAL PRADESH D ISOLTS SCTTS# ISOL ISOL ISOLTS ISOLTS
16 JAMMU & K. AND LADAKH D SCTTS# FWSTS# ISOL ISOL ISOLTS ISOLTS 17 WEST RAJASTSAN D+ D+ DS D+ DS D+ D+ D+ DS D+ DS
18 EAST RAJASTSAN D D+ DS D+ DS D+ D+ D+ DS D+ DS
19 WEST MADHYA PRADESH D+ D+ D+ D+ D D D+
20 EAST MADHYA PRADESH D D+ D+ D+ D D D
21 GUJARAT REGION D.D. & N.H. D D D D D D+ D+
22 SAURASTRA KUTCH & DIU D D D D D D+ D+
23 KONKAN & GOA D D D D D D D
24 MADHYA MAHARASHTRA D D D D D D+ D+
25 MARATHAWADA D D D D D D+ D+
26 VIDARBHA D+ D+ D+ D+ D D D+
27 CHHATTISGARH D D D D D ISOL ISOL
28 COASTAL A. PR. & YANAM D+ D+ ISOL+ D D ISOL ISOL
29 TELANGANA D+ D+ D+ D+ ISOL ISOL ISOLTS
30 RAYALASEEMA D D+ D+ D+ ISOL ISOLTS ISOLTS
31 TAMIL. PUDU. & KARAIKAL ISOL+TS ISOL+ ISOL+ ISOL+ SCTTS● ISOLTS● ISOLTS●
32 COASTAL KARNATAKA ISOL ISOL ISOL ISOL ISOL ISOL ISOL
33 NORTH INT.KARNATAKA D+ D+ D+ D ISOL ISOL ISOL
34 SOUTH INT.KARNATAKA ISOLTS ISOL ISOL SCTTS● SCTTS● SCTTS●● SCTTS●●
35 KERALA & MAHE WSTS● FWSTS SCTTS FWSTS● FWSTS SCTTS● FWSTS
36 LAKSHADWEEP WSTS● FWSTS SCTTS SCTTS SCTTS SCT SCTTS
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 NIL 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) FOG * SNOWFALL #HAILSTORM - COLD WAVE (-4.5 OC to -6.4 OC) -- SEVERE COLD WAVE (< -6.4)
$TSUNDERSTORM WITS SQUALL/GUSTY WIND DS/TSDUST/THUNDERSTORM + HEAT WAVE (+4.5 OC to +6.4 OC) ++ SEVERE HEAT WAVE (> +6.4)
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Table-1 (C)
METEOROLOGICAL SUB-DIVISIONWISE REALISED MAXIMUM TEMPERATURE-2020
S.No MET.SUB-DIVISIONS 14 MAY 15 MAY 16 MAY 17 MAY 18 MAY 19 MAY 20 MAY
1 ANDAMAN & NICO.ISLANDS N N N N N N N
2 ARUNACHAL PRADESH N N N N AN N N
3 ASSAM & MEGHALAYA N N N N AN N N
4 NAGA.MANI.MIZO.& TRIPURA N AN N AN AN N N
5 SUB-HIM.W. BENG. & SIKKIM AN N BN N AN N BN
6 GANGETIC WEST BENGAL N AN N AN N N MBN
7 ODISHA N N N N N N MBN
8 JHARKHAND N N N N N N MBN
9 BIHAR N N N N N N ABN
10 EAST UTTAR PRADESH N N N N N N N
11 WEST UTTAR PRADESH N N N N N N N
12 UTTARAKHAND N N N AN N AN N
13 HARYANA CHD. & DELHI N N N N N N N
14 PUNJAB N N N N N N N
15 HIMACHAL PRADESH N N N N N N N
16 JAMMU & K. AND LADAKH MBN N N N N N N
17 WEST RAJASTHAN N N N N N N N
18 EAST RAJASTHAN N N N N N N N
19 WEST MADHYA PRADESH N N N N N N N
20 EAST MADHYA PRADESH N N N N N N N
21 GUJARAT REGION D.D. & N.H. N N N N N N AN
22 SAURASTRA KUTCH & DIU N N N N N N N
23 KONKAN & GOA N N N N N N AN
24 MADHYA MAHARASHTRA N N N N N N N
25 MARATHAWADA N BN N N N N N
26 VIDARBHA N N N N N N N
27 CHHATTISGARH N N N N N N N
28 COASTAL A. PR. & YANAM N N N N N N N
29 TELANGANA N N N N N N AN
30 RAYALASEEMA N N N N N N N
31 TAMIL. PUDU. & KARAIKAL N N N N N N N
32 COASTAL KARNATAKA N N N N N N N
33 NORTH INT.KARNATAKA N N N N N N N
34 SOUTH INT.KARNATAKA N AN N N N N N
35 KERALA & MAHE N N N N N N N
36 LAKSHADWEEP N N N N N N N
Highest Maximum Temperature (°C) 44.0 43.5 44.6 44.5 44.8 44.3 45.0
Station(/s) observed HMT Khargaon Khargaon Jalgaon Khargaon Akola Khargaon Khargaon
Station(/s) lies in Met-Subdivision(/s) West MP West MP M.Maharashtra West MP Vidarbha West MP West MP LEGENDS:
N NORMAL (N+1,N-1)OC BN BELOW NORMAL (N-2)OC ABN APRECIABLY BELOW NORMAL (N-3.1 to -4.9)OC AN ABOVE NORMAL (N+2)OC MBN MARKEDLY BELOW NORMAL (N-5 AND BELOW ) OC AAN APRECIABLY ABOVE NORMAL (N+3.1 to +4.9)OC MAN MARKEDLY ABOVE NORMAL (N+5 AND ABOVE ) OC
* Cold wave conditions (Departure from Normal is( -4 OC to -5 OC and -5 OC to -6 OC) ** Severe Cold wave conditions (Departure from Normal is( -6 OC or less and -7 OC or less )
+ Heat wave conditions (Departure from Normal is (+4.5 OC to +6.4 OC) ++ Severe Heat wave conditions (Departure from Normal is (> +6.4 OC)
