Friday 09 September 2022 MORNING Time of Issue: 0800 hours IST ALL INDIA WEATHER SUMMARY AND FORECAST BULLETIN
Significant Weather Features
♦ The monsoon trough runs south of its normal position.
♦ A Low Pressure Area lies over Westcentral Bay of Bengal. It is very likely to become more marked over Westcentral and adjoining Northwest Bay of Bengal off north Andhra Pradesh-south Odisha coasts during next 36 hours.
♦ A shear zone runs roughly along Lat.12°N over south Peninsular India in middle tropospheric levels.
♦ A cyclonic circulation lies over Coastal Karnataka & neighbourhood in lower tropospheric levels.
♦ Under the influence of the above systems:
o Fairly widespread/widespread rainfall with isolated heavy falls and thunderstorm/lightning very likely over Tamil Nadu Puducherry & Karaikal on 09th; Rayalaseema & South Interior Karnataka during 09th-10th; Coastal Andhra Pradesh & Yanam, Telangana and North Interior Karnataka during 09th-11th and over Coastal Karnataka and Kerala & Mahe during next 5 days.
Isolated very heavy rainfall also likely over Coastal Karnataka and North Interior Karnataka on 09th and over Coastal Andhra Pradesh & Yanam & Telangana during 09th-10th September, 2022. Isolated extremely heavy rainfall also likely over Coastal Andhra Pradesh & Yanam on 09th September, 2022.
o Fairly widespread/widespread rainfall with isolated heavy falls & thunderstorm/lightning very likely over Vidarbha and Marathwada during 09th-11th; Chhattisgarh & Gujarat Region during 09th-13th; Gangetic West Bengal and Saurashtra &
Kutch during10th-12th; Bihar & East Madhya Pradesh on 12th & 13th; Jharkhand & Sub-Himalayan West Bengal during 11th- 13th and over Odisha, Konkan & Goa and Madhya Maharashtra during next 5 days. Isolated very heavy rainfall also likely over Odisha during 09th-11th; Chhattisgarh, Gangetic West Bengal and Gujarat Region on 12th and over Madhya Maharashtra and Konkan & Goa during next 5 days.
o Fairly widespread/widespread rainfall with isolated heavy falls and thunderstorm/lightning very likely over Assam &
Meghalaya during 10th-13th and over Nagaland, Manipur, Mizoram & Tripura during next 5 days.
o Fairly widespread to widespread light/moderate rainfall with isolated heavy falls and thunderstorm/lightning very likely over Uttarakhand on 10th & 11th September, 2022.
o Subdued rainfall activity likely to continue over most parts of Northwest India during next 5 days.
Main Weather Observations
* Red color warning does not mean "Red Alert" Red color warning means "Take Action".
♦ Rainfall/thundershower observed (from 0830 hours IST to 1730 hours IST of yesterday): at most places over Konkan & Goa and Coastal Karnataka; at many places over East Madhya Pradesh, Chhattisgarh, Odisha, South interior Karnataka, Rayalaseema, Coastal Andhra Pradesh & Yanam and Telangana; at a few places over East Uttar Pradesh, West Madhya Pradesh, Gujarat Region, North Interior Karnataka and Kerala & Mahe and at isolated places over Jammu, Kashmir, Ladakh, Gilgit-Baltistan & Muzaffarabad, Uttarakhand, Bihar, Sub-Himalayan West Bengal & Sikkim, Assam 7 Meghalaya, Saurashtra & Kutch, Vidarbha, Marathwada, Tamilnadu, Puducherry
& Karaikal, Lakshadweep and Gangetic West Bengal.
♦ Chief amount of Rainfall observed (from 0830 hours IST to 1730 hours IST of yesterday): (3 cm or more): Daman-8; Sholapur and Kakinada-4; Gopalpur, Parbhani and Mandla-3.
♦ Heavy Rainfall observed (from 0830 hours IST to 1730 hours IST of yesterday): heavy rainfall at isolated places over Gujarat Region (Daman).
♦ Thunderstorm observed (from 0830 hours IST of yesterday to 0530 hours IST of today): at isolated places over Jammu, Kashmir, Ladakh, Gilgit-Baltistan & Muzaffarabad, Sub-Himalayan West Bengal & Sikkim, Gujarat, Konkan & Goa, Marathwada, East Uttar Pradesh, Chhattisgarh, Madhya Pradesh, Vidarbha, Coastal Andhra Pradesh & Yanam, Telangana, Gujarat Region, Bihar, Jharkhand, Odisha and Madhya Maharashtra.
♦ Minimum Temperature Departures (as on 08-09-2022): Minimum temperatures were appreciably above normal (3.1°C to 5.0°C) at at many places over West Uttar Pradesh; at a few places over Bihar, Sub-Himalayan West Bengal & Sikkim; at isolated places over East Rajasthan and Madhya Pradesh; above normal (1.6°C to 3.0°C) at most places over Punjab, Gujarat Region; at many places over Jammu, Kashmir, Ladakh, Gilgit, Baltistan & Muzaffarabad, Himachal Pradesh, Haryana, Chandigarh & Delhi, West Rajasthan, Gangetic West Bengal, Odisha, Assam & Meghalaya; at a few places over Vidarbha, Madhya Maharashtra, South Interior Karnataka and at isolated places over Uttarakhand and Saurashtra & Kutch. They were below normal (-1.6°C to -3.0°C) at a few places over Coastal Andhra Pradesh & Yanam, Tamil Nadu, Puducherry & Karaikal and Kerala & Mahe and near normal over rest parts of the country. Yesterday, the lowest minimum temperature of 21.0°C was reported at Betul (West Madhya Pradesh) over the plains of the country.
♦ Maximum Temperature Departures (as on 08-09-2022): Maximum temperatures were appreciably above normal (3.1°C to 5.0°C) at a few places over Gujarat Region and Gangetic West Bengal; above normal (1.6°C to 3.0°C) at most places over West Uttar Pradesh, Rajasthan, East Madhya Pradesh, Saurashtra & Kutch and Nagaland, Manipur, Mizoram & Tripura; at many places over East Uttar Pradesh, Himachal Pradesh, West Madhya Pradesh, Vidarbha, Jharkhand, Sub-Himalayan West Bengal & Sikkim and Assam &
Meghalaya; at a few places over Odisha. They were appreciably below normal (-3.1°C to -5.0°C) at most places over Rayalaseema; below normal (-1.6°C to -3.0°C) at most places over Coastal Karnataka and Coastal Andhra Pradesh & Yanam; at many places over South Interior Karnataka, Tamilnadu, Puducherry & Karaikal and Arunachal Pradesh; at a few places over Andaman &
Nicobar Islands, Telangana and Kerala & Mahe and at isolated places over North Interior Karnataka and near normal over rest parts of the country. Yesterday, the highest maximum temperature of 40.2°C was reported at Churu (West Rajasthan) 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
Meteorological Analysis (Based on 0530 hours IST)
♦ The monsoon trough at mean sea level now passes through Jaisalmer, Udaipur, Indore, Akola, Ramagundam, Vishakhapatnam and thence eastwards to centre of Low Pressure Area over Westcentral Bay of Bengal.
♦ The Low Pressure Area over Westcentral Bay of Bengal with the associated cyclonic circulation extending upto mid-tropospheric level persists. It is very likely to become more marked over Westcentral and adjoining Northwest Bay of Bengal off north Andhra Pradesh-south Odisha coasts during next 36 hours.
♦ The trough from south Konkan to the Low Pressure Area over Westcentral Bay of Bengal across North Interior Karnataka, south Telangana & north Coastal Andhra Pradesh at 0.9 km above mean sea level persists.
♦ The shear zone roughly along Lat.12°N over south peninsular India between 4.5 km & 7.6 km above mean sea level persists.
♦ The cyclonic circulation over Coastal Karnataka & neighbourhood between 1.5 km & 3.1 km above mean sea level persists.
Weather Forecast for next 5 days * upto 0830 hours IST of 14th September, 2022
♦ Meteorological sub-division wise detailed 5 days precipitation forecast is given in Table-1.
♦ No significant change in maximum temperatures very likely over the country during next 5 days.
Weather Outlook for subsequent 2 days During 14th September- 16th September, 2022
♦ Fairly widespread to widespread light/moderate rainfall activity likely over West Coast, Central &
East India. Isolated heavy to very heavy falls also likely Gujarat Region, Tripura & Meghalaya.
♦ Isolated to scattered light/moderate rainfall activity likely over south peninsular & Northeast India.
♦ Increased rainfall activity likely over plains of Northwest India.
* Red color warning does not mean "Red Alert" Red color warning means "Take Action".
Weather Warning during next 5 days *
09 Sept (Day 1): ♦ Heavy to Very Heavy rainfall with extremely heavy falls at isolated places very likely over Coastal Andhra Pradesh & Yanam; Heavy to very heavy rainfall at isolated places over Odisha, Madhya Maharashtra, Konkan & Goa, Telangana, Coastal & North Interior Karnataka; Heavy rainfall at isolated places over Chhattisgarh, Nagaland, Manipur, Mizoram & Tripura, Gujarat Region, Marathwada, Rayalaseema, South Interior Karnataka, Tamil Nadu, Puducherry & Karaikal and Kerala & Mahe.
♦ Thunderstorm accompanied with lightning & gusty winds (speed 40-50 kmph) at isolated places very likely over Andaman & Nicobar Islands; with lightning & gusty winds (speed 30-40 kmph) at isolated places over Telangana and with lightning at isolated places over Uttarakhand, Uttar Pradesh, Madhya Pradesh, Vidarbha, Chhattisgarh, Jharkhand, West Bengal & Sikkim, Nagaland, Manipur, Mizoram & Tripura, Gujarat Region, Madhya Maharashtra, Marathwada, Konkan & Goa, Coastal Andhra Pradesh & Yanam, Rayalaseema, Karnataka, Tamil Nadu, Puducherry & Karaikal, Kerala & Mahe and Lakshadweep.
♦ Squally weather (wind speed 40-45 kmph gusting to 55 kmph) is very likely over east-central, central and adjoining south Bay of Bengal, south Andaman Sea; Squally weather (wind speed 45-55 kmph gusting to 65 kmph) is very likely over along and off Kerala, Karnataka, south Maharashtra coasts, north Andaman Sea and adjoining east-central Bay of Bengal, west-central and adjoining northwest bay of Bengal, along and off coastal Andhra Pradesh and south coastal Odisha. Squally winds of 45-55 kmph gusting to 65 kmph likely over southwest and adjoining west-central Arabian Sea, along and off Somalia coast, Lakshadweep area, Gulf of Mannar, south Tamil Nadu coast, off south Sri Lanka coast, southwest and adjoining southeast Bay of Bengal, adjoining east-central Bay of Bengal, east-central and adjoining west-central Bay of Bengal. Fishermen are advised not to venture into these seas.
10 Sept (Day 2): ♦ Heavy to very heavy rainfall at a few places places likely over Konkan & Goa; at isolated places over Odisha, Madhya Maharashtra, Coastal Andhra Pradesh & Yanam and Telangana and heavy rainfall at isolated places over Uttarakhand, Vidarbha, Chhattisgarh, Gangetic West Bengal, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, Gujarat State, Marathwada, Rayalaseema, Karnataka & Kerala & Mahe.
♦ Thunderstorm accompanied with lightning & gusty winds (speed 40-50 kmph) at isolated places very likely over Andaman & Nicobar Islands; with lightning & gusty winds (speed 30-40 kmph) at isolated places over Telangana and with lightning at isolated places over Uttarakhand, Uttar Pradesh, Rajasthan, Madhya Pradesh, Vidarbha, Chhattisgarh, Gujarat Region, Marathwada, Coastal Andhra Pradesh & Yanam, Rayalaseema and Kerala & Mahe.
♦ Squally weather (wind speed 40-45 kmph gusting to 55 kmph) is very likely over central and adjoining northwest Bay of Bengal, adjoining northeast Bay of Bengal; Squally weather (wind speed 45-55 kmph gusting to 65 kmph) is very likely over Karnataka, Goa, south Maharashtra coasts, northwest and adjoining west-central Bay of Bengal, along and off north Andhra Pradesh, Odisha, West Bengal coasts. Squally winds of 45-55 kmph gusting to 65 kmph likely over southwest and adjoining west-central Arabian Sea, along and off Somalia coast, Gulf of Mannar, south Tamil Nadu coast, off south Sri Lanka coast, southwest and adjoining southeast Bay of Bengal, central parts of central and north Bay of Bengal. Fishermen are advised not to venture into these seas.
11 Sept (Day 3): ♦ Heavy to very heavy rainfall at a few places very likely over Konkan & Goa; at isolated places over Odisha, Madhya Maharashtra and Telangana and heavy rainfall at isolated places over Uttarakhand, Vidarbha, Chhattisgarh, Jharkhand, West Bengal & Sikkim, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, Gujarat State, Marathwada, Coastal Andhra Pradesh & Yanam, Coastal & North Interior Karnataka and Kerala & Mahe.
♦ Thunderstorm accompanied with lightning & gusty winds (speed 40-50 kmph) at isolated places very likely over Telangana; with lightning at isolated places over Uttarakhand, Uttar Pradesh, Rajasthan, Madhya Pradesh, Vidarbha, Chhattisgarh, Coastal Andhra Pradesh & Yanam, Rayalaseema and Kerala &
Mahe.
♦ Squally weather (wind speed 40-45 kmph gusting to 55 kmph) is very likely over southwest and adjoining southeast bay of Bengal; Squally weather (wind speed 45-55 kmph gusting to 65 kmph) is very likely over along and off north Karnataka, Goa, Maharashtra, south Gujarat coasts, adjoining east-central and northeast Arabian Sea, central and adjoining northwest and northeast Bay of Bengal, northwest and adjoining west-central Bay of Bengal, along and off north Andhra Pradesh, Odisha, West Bengal coasts. Squally winds of 45-55 kmph gusting to 65 kmph likely over southwest and adjoining west-central Arabian Sea, along and off Somalia coast, Gulf of Mannar, south Tamil Nadu coast, off south Sri Lanka coast, west-central and adjoining northwest and adjoining northeast Bay of Bengal, along and off north Andhra Pradesh, Odisha, West Bengal coasts. Fishermen are advised not to venture into these seas.
12 Sept (Day 4): ♦ Heavy to very heavy rainfall at a few places likely over Konkan & Goa; at isolated places over Chhattisgarh, Gangetic West Bengal, Gujarat Region, Madhya Maharashtra and heavy rainfall at isolated places over East Madhya Pradesh, Vidarbha, Bihar, Jharkhand, Sub-Himalayan West Bengal & Sikkim, Odisha, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, Saurashtra & Kutch, Coastal Karnataka and Kerala & Mahe.
♦ Thunderstorm accompanied with lightning at isolated places over Uttarakhand, Uttar Pradesh, Rajasthan, Madhya Pradesh, Vidarbha, Chhattisgarh and Kerala & Mahe.
♦ Squally weather (wind speed 45-55 kmph gusting to 65 kmph) is very likely over along and off Maharashtra, Goa, south Gujarat coasts, adjoining northeast and east-central Arabian Sea, northwest and adjoining west-central Bay of Bengal, along and off north Andhra Pradesh, Odisha, West Bengal coasts. Squally winds of 45-55 kmph gusting to 65 kmph likely over southwest and adjoining west-central Arabian Sea, along and off Somalia coast, Gulf of Mannar, south Tamil Nadu coast, off south Sri Lanka coast, west-central and adjoining northwest Bay of Bengal, along and off north Andhra Pradesh, Odisha, West Bengal coasts. Fishermen are advised not to venture into these seas.
13 Sept (Day 5): ♦ Heavy to very heavy rainfall at isolated places likely over Konkan & Goa, Gujarat Region, Madhya Maharashtra and heavy rainfall at isolated places over Madhya Pradesh, Vidarbha, Bihar, Jharkhand, West Bengal & Sikkim, Chhattisgarh, Odisha, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, Saurashtra & Kutch, Coastal Karnataka and Kerala & Mahe.
♦ Thunderstorm accompanied with lightning at isolated places over Uttarakhand, Uttar Pradesh, Rajasthan, Madhya Pradesh, Vidarbha, Chhattisgarh and Kerala & Mahe.
♦ Squally weather (wind speed 45-55 kmph gusting to 65 kmph) is very likely over along and off Maharashtra, Goa, south Gujarat coasts, adjoining northeast and east-central Arabian Sea, northwest and adjoining west-central Bay of Bengal, along and off north Andhra Pradesh, Odisha, West Bengal coasts. Squally winds of 45-55 kmph gusting to 65 kmph likely over southwest and adjoining west-central Arabian Sea, along and off Somalia coast, Gulf of Mannar, south Tamil Nadu coast, off south Sri Lanka coast, west-central and adjoining northwest Bay of Bengal, along and off north Andhra Pradesh, Odisha, West Bengal coasts. Fishermen are advised not to venture into these seas.
* 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
Table-1
* Red color warning does not mean "Red Alert" Red color warning means "Take Action".
ALL INDIA WEEKLY WEATHER REPORT 01–07 SEPTEMBER, 2022
Go to: Table-1(A) Table-1(B) Table-1(C) Table-2 Table-3 Fig-1 Fig-2 Fig-3 Fig-4 Annexure-1
SIGNIFICANT WEATHER FEATURES
♦ Under the influence of cyclonic circulations in the lower/middle tropospheric levels over South Peninsula and adjoining areas, east-west roughs in the lower/middle tropospheric levels across South Peninsula and north-south troughs in the lower/middle tropospheric levels aligned between Central India and extreme South Peninsula, fairly widespread to widespread rainfall/thunderstorm activity had occurred over Kerala &
Mahe and Lakshdweep Islands throughout the week and over parts of Karnataka on five to six days; under their influence, scattered to fairly widespread rainfall activity had occurred over Rayalseema and Tamil Nadu on four to five days and isolated to scattered rainfall/thunderstorm activity on the remaining days;
isolated to scattered rainfall/thunderstorm activity had occurred over remaining parts of South Peninsula also throughout the week; these synoptic situations had also caused, fairly widespread to widespread rainfall/thunderstorm activity over Konkan & Goa, Marathwada and Vidarbha and scattered to fairly widespread rainfall/thunderstorm activity over Madhya Maharashtra and Chhattisgarh on many days;
heavy rainfall had occurred over Karnataka and Tamil Nadu on five to six days and over remaining parts of South Peninsula and Lakshadweep Islands on four to five days; parts of Maharashtra and Chhattisgarh also received heavy rainfall activity on three to four days; very heavy rainfall also had occurred over South Interior Karnataka and Lakshadweep Islands on three to four days and over Kerala & Mahe, North Interior Karnataka, Konkan &Goa and Madhya Maharashtra on one or two days along with.
♦ Positioning of the eastern end of the monsoon trough close to the foot hills of Himalayas / to the north of its normal position supported by moisture incursion over to the areas had caused fairly widespread to widespread rainfall/thunderstorm activity over parts of Northeast India and over Sub Himalayan West Bengal & Sikkim on most of the days and over Gangetic West Bengal and Jharkhand on three to four days along with isolated to scattered rainfall/thunderstorm activity on the remaining days; it has caused scattered to fairly widespread rainfall/thunderstorm activity over Bihar also on most of the days; heavy/very heavy rainfall had occurred over Arunachal Pradesh, Assam & Meghalaya, West Bengal & Sikkim, Jharkhand and Bihar on four to five days whereas extremely heavy rainfall had occurred over Arunachal Pradesh, Assam & Meghalaya and Sub Himalayan West Bengal & Sikkim on one day each along with.
♦ Positioning of the western end of the monsoon trough to the north of its normal position during the first half of the week and passage of Western Disturbances in the second half of the week had caused scattered to fairly widespread rainfall/thunderstorm activity over Uttarakhand and isolated to scattered rainfall/thunderstorm activity over remaining parts of Western Himalayan Region on most of the days during the week; it had also caused isolated rainfall/thunderstorm activity over Punjab on most of the days and over Haryana, Chandigarh & Delhi on many days; under their influence, heavy rainfall had occurred over Western Himalayan Region and adjoining areas of Punjab on one or two days along with isolated very heavy rainfall reported over Uttarakhand during the same period.
Heavy rain:
♦ Heavy to very heavy rainfall with extremely heavy rainfall at isolated places had occurred over Arunachal Pradesh, Assam & Meghalaya and Sub Himalayan West Bengal & Sikkim on one day each during the week.
♦ Heavy to very heavy rainfall at isolated places had occurred over South Interior Karnataka on four days;
over Assam & Meghalaya and Lakshadweep on three days each; over Sub Himalayan West Bengal &
Sikkim, Bihar, Uttarakhand, Madhya Maharashtra, North Interior Karnataka and Kerala & Mahe on two days each; over Arunachal Pradesh, Jharkhand, East & West Madhya Pradesh, Konkan & Goa and Telengana on one day each during the week.
♦ Heavy rainfall at isolated places had occurred over Tamil Nadu, Puducherry & Karaikkal on six days;
over Bihar and Coastal Karnataka on five days each; over Gangetic West Bengal, Odisha, Jharkhand, East Madhya Pradesh, Marathwada, Chhattisgarh, Coastal Andhra Pradesh & Yanam and Rayalseema on four days each; over Nagaland, Manipur, Mizoram & Tripura, Himachal Pradesh, Telengana and North Interior Karnataka on three days each; over Andaman & Nicobar Islands, Arunachal Pradesh, Assam &
Meghalaya, East Uttar Pradesh, Jammu Kashmir & ladakh, West Madhya Pradesh, Gujarat Region, Konkan & Goa, South Interior Karnataka and Kerala & Mahe on two days each; over Sub Himalayan West Bengal & Sikkim, Punjab, East Rajasthan, Madhya Maharashtra and Lakshadweep on one day each during the week.
Government of India Ministry of Earth Sciences India Meteorological Department National Weather Forecasting Centre
Temperature Scenario:
♦ The highest maximum temperature of 39.6oC had been recorded at Churu (West Rajasthan) on 2nd September 2022 and at Bikaner(West Rajasthan) on 7th September 2022 and the lowest minimum temperature of 16.6oC had been recorded at Tirupattur (Tamil Nadu, Puducherry & Karaikkal) on 1st September 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
♦ The monsoon trough at mean sea level passed through Amritsar, Rohtak, Bareilly, Varanasi, Patna, Balurghat and thence eastwards to Nagaland across north Bangladesh and Assam on 1st September 2022; it passed through Amritsar, Ambala, Bareilly, Azamgarh, Chapra, Malda and thence eastwards to Nagaland across north Bangladesh and Assam on 2nd; the western end of monsoon trough lay close to the foothills of Himalayas whereas its eastern end passed through Gorakhpur, Muzaffarpur, Jalpaiguri and thence eastwards to Nagaland across north Bangladesh and Assam on 3rd; the western end of the monsoon trough passed through Bhatinda, Rohtak, Shahjahanpur whereas the eastern ran close to the foothills of Himalayas on 4th; the monsoon trough passed through Ganganagar, Narnaul, Gorakhpur, Darbhanga, Jalpaiguri, Jorhat and thence eastwards to Nagaland on 5th; it passed through Ganganagar, Hissar, Hardoi, Gorakhpur, Patna, Jamshedpur, Digha and thence east-southeastwards to Northeast Bay of Bengal on 6th; it passed through Jaisalmer, Kota, Guna, Sidhi, Ambikapur, Jharsuguda, Balasore and thence east-southeastwards to Northeast Bay of Bengal on 7th September 2022.
♦ Last week’s cyclonic circulation over south Tamil Nadu & neighbourhood lay over north Tamil Nadu &
neighbourhood and extended upto 1.5 km above mean sea level on 1st September 2022; it lay over Lakshadweep area & adjoining Southeast Arabian Sea and extended upto 5.8 km above mean sea level on 2nd; it persisted over the same areas extending upto 5.8 km above mean sea level on 3rd; it has become less marked on 4th September 2022.
♦ Last week’s trough from the cyclonic circulation over south Tamilnadu & neighbourhood to central Madhya Pradesh extending upto 0.9 km above mean sea level ran from south Sri Lanka coast to central Madhya Pradesh across the cyclonic circulation over north Tamil Nadu & neighbourhood, Interior Karnataka and Marathwada at 0.9 km above mean sea level on 1st September 2022; it ran from the cyclonic circulation over Lakshadweep area & adjoining Southeast Arabian Sea to north Madhya Maharashtra across Konkan at 0.9 km above mean sea level on 2nd; it has become less marked on 3rd September 2022.
♦ A cyclonic circulation lay over Kutch & neighbourhood at 3.1 km above mean sea level on 1st September 2022; it has become less marked on 2nd September 2022.
♦ A trough ran from Jammu to central Pakistan at 1.5 km above mean sea level on 1st September 2022; it has become less marked on 2nd September 2022.
♦ An east- west trough ran from the cyclonic circulation over Lakshadweep area & adjoining Southeast Arabian Sea to Southeast Bay of Bengal between 1.5 km & 5.8 km above mean sea level on 2nd September 2022; it has become less marked on 3rd September 2022.
♦ A north-south trough ran from southeast Madhya Pradesh to Comorin area across Marathwada, Madhya Maharashtra and Interior Karnataka at 0.9 km above mean sea level on 4th September 2022; it ran from North Interior Karnataka to Comorin area across interior Tamil Nadu at 0.9 km above mean sea level on 5th; it ran from Chhattisgarh to the cyclonic circulation over South Interior Karnataka & neighbourhood across Andhra Pradesh at 0.9 km above mean sea level on 6th; it has become less marked on 7th September 2022.
♦ A cyclonic circulation lay over Comorin area & neighbourhood between 1.5 km & 3.1 km above mean sea level on 4th September 2022; it lay over Comorin area & adjoining Maldives area between 1.5 km & 5.8 km above mean sea level on 5th; it lay over South Interior Karnataka & neighbourhood and extended upto 5.8 km above mean sea level tilting southwards with height on 6th; it lay over Interior Karnataka & neighbourhood and extended upto 1.5 km above mean sea level on 7th September 2022.
♦ A Shear Zone ran roughly along Lat. 11° N between 4.5 km & 5.8 km above mean sea level on 4th September 2022; it has become less marked on 5th September 2022.
♦ A Western Disturbance was seen as a trough in mid-tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long. 70°E & to the north of 27°N on 5th September 2022 and roughly along Long. 73°E & to the north of 27°N on 6th; it has moved away east-northeastwards on 7th September 2022.
♦ A trough in westerlies ran roughly along Long.87°E & to the north of 22°N at 1.5 km above mean sea level on 5th September 2022; it has become less marked on 6th September 2022.
♦ A cyclonic circulation lay over Eastcentral & adjoining Southeast Bay of Bengal and extended upto 5.8 km above mean sea level on 7th September 2022.
♦ A trough ran from the cyclonic circulation over Eastcentral & adjoining Southeast Bay of Bengal to north Kerala across Rayalaseema & South Interior Karnataka between 3.1 km & 5.8 km above mean sea level on 7th September 2022.
RAINFALL SUMMARY
Category of the rainfall
WEEK SEASON
01.09.2022 TO 07.09.2022 01.06.2022 TO 07.09.2022 Number of Sub-
divisions
Sub-divisional % Area of Country
Number of Sub- divisions
Sub-divisional % Area of Country
LARGE EXCESS(LE) (+60% or more) 7 17% 3 13%
EXCESS (E) (+20% to +59%) 3 4% 10 29%
NORMAL (N) (+19% to -19%) 6 17% 17 41%
DEFICIENT (D) (-20% to -59%) 11 31% 6 17%
LARGE DEFICIENT (LD) (-60% to -99%) 9 31% 0 0%
NO RAIN (NR) (-100%) 0 0% 0 0%
Cumulative rainfall (mm) Actual (mm) Normal (mm) Departure (%) Category Actual (mm) Normal (mm) Departure (%) Category
EAST & NORTH-EAST INDIA 75.7 69.2 +9% N 955.3 1153.7 -17% N
NORTH-WEST INDIA 15.8 35.6 -56% D 493.6 520.5 -5% N
CENTRAL INDIA 37.6 55.5 -32% D 980.1 855.9 +15% N
SOUTH PENINSULA 58.9 35.7 +65% LE 768.2 591.9 +30% E
Country as a whole 41.2 47.6 -13% N 784.9 748.3 +5% 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-division wise daily distribution of realised Rainfall is shown in Table-1(A).
Sub-division wise departure of realised Maximum temperature from Normal is shown in Table-1(C)
State wise 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-division wise realised weekly rainfall (in cm) is shown in Annexure-1.
FORECAST & WARNING FOR THE NEXT WEEK 08 SEPTEMBER TO 14 SEPTEMBER, 2022
Detailed seven days Sub-division wise rainfall-forecast is given in Table-1(B).
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Fig-1
WEEKLY CUMULATIVE RAINFALL MAP
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Table-1 (A)
METEOROLOGICAL SUB-DIVISIONWISE DISTRIBUTION OF REALISED RAINFALL-2022
S.No MET.SUB-DIVISIONS 01 Sept 02 Sept 03 Sept 04 Sept 05 Sept 06 Sept 07 Sept
1 ANDAMAN & NICO.ISLANDS FWS FWS FWS FWS WS WS* WS*
2 ARUNACHAL PRADESH WS FWS WS WS* WS* WS* WS
3 ASSAM & MEGHALAYA WS* FWS FWS WS* WS SCT SCT
4 NAGA.MANI.MIZO.& TRIPURA SCT FWS WS WS FWS WS FWS
5 SUB-HIM.W. BENG. & SIKKIM WS* WS WS FWS FWS WS FWS
6 GANGETIC WEST BENGAL FWS ISOL FWS FWS* ISOL FWS SCT
7 ODISHA ISOL ISOL ISOL FWS SCT ISOL SCT
8 JHARKHAND FWS FWS WS WS SCT SCT SCT
9 BIHAR SCT SCT FWS* WS SCT SCT SCT
10 EAST UTTAR PRADESH ISOL SCT SCT ISOL ISOL ISOL ISOL
11 WEST UTTAR PRADESH ISOL SCT ISOL ISOL D ISOL ISOL
12 UTTARAKHAND SCT FWS* SCT SCT FWS SCT ISOL
13 HARYANA CHD. & DELHI ISOL ISOL ISOL ISOL D D ISOL
14 PUNJAB ISOL ISOL ISOL ISOL ISOL ISOL ISOL
15 HIMACHAL PRADESH ISOL ISOL SCT FWS* ISOL ISOL ISOL
16 JAMMU & KASHMIRANDLADAKH ISOL ISOL ISOL ISOL SCT SCT D
17 WEST RAJASTHAN ISOL ISOL D D D D ISOL
18 EAST RAJASTHAN ISOL SCT ISOL ISOL ISOL D D
19 WEST MADHYA PRADESH ISOL WS* ISOL ISOL SCT ISOL ISOL
20 EAST MADHYA PRADESH ISOL SCT ISOL WS* FWS* SCT ISOL
21 GUJARAT REGION ISOL FWS ISOL ISOL ISOL ISOL ISOL
22 SAURASTRA & KUTCH ISOL ISOL ISOL ISOL ISOL ISOL ISOL
23 KONKAN & GOA WS SCT FWS SCT FWS WS FWS
24 MADHYA MAHARASHTRA WS** FWS SCT SCT SCT SCT FWS*
25 MARATHAWADA FWS* FWS* ISOL FWS* FWS* FWS* SCT
26 VIDARBHA FWS FWS SCT WS* WS* WS FWS
27 CHHATTISGARH SCT SCT SCT WS FWS SCT SCT
28 COASTAL ANDHRA PR. & YANAM SCT SCT SCT SCT SCT SCT SCT
29 TELANGANA SCT ISOL ISOL SCT SCT SCT SCT
30 RAYALASEEMA ISOL FWS ISOL ISOL FWS* FWS* SCT
31 TAMIL. PUDU. & KARAIKAL FWS* WS* ISOL ISOL FWS** SCT SCT
32 COASTAL KARNATAKA WS WS FWS ISOL SCT FWS WS*
33 NORTH INT.KARNATAKA WS** FWS* ISOL ISOL SCT WS** WS**
34 SOUTH INT.KARNATAKA FWS* WS* ISOL FWS WS** WS** WS*
35 KERALA & MAHE WS* WS* FWS FWS FWS WS* WS*
36 LAKSHADWEEP WS* WS WS WS WS 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 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 - 2022
S. No MET.SUB-DIVISIONS 08 Sept 09 Sept 10 Sept 11 Sept 12 Sept 13 Sept 14 Sept
1 ANDAMAN & NICOBAR ISLANDS WS L● FWS L SCT L SCT SCT FWS SCT
2 ARUNACHAL PRADESH FWS L● FWS SCT SCT FWS FWS WS
3 ASSAM & MEGHALAYA SCT L SCT FWS ● FWS ● WS ● FWS FWS
4 NAGA.MANI.MIZO.& TRIPURA SCT L ● FWS L● FWS ● WS ● WS ● FWS SCT 5 SUB-HIM.W. BENG. & SIKKIM SCT L SCT L SCT FWS ● FWS ● FWS SCT
6 GANGETIC WEST BENGAL FWS L FWS L FWS ● WS ● WS●● WS WS
7 ODISHA FWS L● FWS●● FWS●● WS●● FWS ● SCT FWS
8 JHARKHAND SCT L SCT L FWS WS ● WS ● FWS WS
9 BIHAR SCT L ISOL SCT FWS FWS ● FWS FWS
10 EAST UTTAR PRADESH SCT L SCT L ISOL L ISOL L SCT L FWS FWS
11 WEST UTTAR PRADESH ISOL L ISOL L SCT L SCT L SCT L SCT SCT
12 UTTARAKHAND SCT L FWS L FWS L● FWS L● FWS L WS WS
13 HARYANA, CHD. & DELHI D D ISOL ISOL ISOL SCT SCT
14 PUNJAB D D ISOL ISOL ISOL ISOL SCT
15 HIMACHAL PRADESH ISOL ISOL ISOL ISOL SCT SCT SCT
16 JAMMU, KASHMIR & LADAKH ISOL SCT SCT ISOL ISOL ISOL ISOL
17 WEST RAJASTHAN D D ISOL L ISOL L ISOL L ISOL SCT
18 EAST RAJASTHAN ISOL ISOL SCT L SCT L SCT L SCT FWS
19 WEST MADHYA PRADESH ISOL L ISOL L SCT L SCT L FWS L FWS WS
20 EAST MADHYA PRADESH SCT L SCT L FWS L WS L WS L● WS WS
21 GUJARAT REGION ISOL L ISOL L● SCT L ● FWS ● WS●● WS WS
22 SAURASTRA & KUTCH ISOL ISOL SCT● SCT ● FWS ● FWS FWS
23 KONKAN & GOA WS L●● WS L●● WS●● WS●● WS●● WS WS
24 MADHYA MAHARASHTRA FWS L●● WS L●● WS●● WS●● WS●● SCT SCT
25 MARATHAWADA WS L● WS L● WS L● WS● FWS SCT SCT
26 VIDARBHA FWS L FWS L FWS L● WS L● WS L● FWS WS
27 CHHATTISGARH FWS L FWS L● WS L● WS L● WS L●● FWS WS
28 COASTAL ANDHRA PR. &
YANAM WS L●● WS L●●● WS L●● FWS L● SCT SCT FWS
29 TELANGANA WS L●● WS L●● WS L●● FWS L●● ISOL SCT SCT
30 RAYALASEEMA WS L●● WS L● FWS L● SCT L SCT ISOL ISOL
31 TAMIL. PUDU. & KARAIKAL SCT L ● SCT L ● ISOL ISOL ISOL ISOL ISOL
32 COASTAL KARNATAKA WS●● WS L●● WS● WS● WS● WS WS
33 NORTH INTERIOR KARNATAKA WS L● WS L●● WS● WS● FWS SCT SCT
34 SOUTH INTERIOR KARNATAKA WS L● WS L● FWS● FWS FWS SCT SCT
35 KERALA & MAHE WS L● WS L● WS L● WS L● WS L● FWS FWS
36 LAKSHADWEEP WS L WS L FWS FWS FWS FWS 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 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 DSDust storm /TS Thunderstorm $Thunderstorm with Squall L Thunderstorm with Lightning # Thunderstorm with Hail
-Cold Wave (Minimum temperature departure from Normal -4.5 OC to -6.4OC) - -Severe Cold Wave (Minimum temperature departure from Norma ≤ -6.5OC)
+ Heat Wave (Maximum temperature departure from Normal +4.5 OC to +6.4OC) + + Severe Heat Wave (Maximum temperature departure from Normal ≥ +6.5OC)
