Friday 30 July 2021 - Time of Issue: 0745 hours IST

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Friday 30 July 2021 MORNING Time of Issue: 0745 hours IST ALL INDIA WEATHER SUMMARY AND FORECAST BULLETIN

Significant Weather Features

♦ The Well Marked Low Pressure Area now lies over Interior parts of Gangetic West Bengal and neighbourhood with the associated cyclonic circulation extending upto upper tropospheric levels. It is likely to move west-northwestwards across Jharkhand, south Bihar and southern parts of Uttar Pradesh during next 48 hours.

Under its influence:

i) Fairly widespread to widespread rainfall with isolated heavy to very heavy falls likely over Odisha, Gangetic West Bengal, Jharkhand and Bihar during 30th

& 31st July and over East Madhya Pradesh and Chhattisgarh during 30th July-02nd August. Isolated extremely heavy falls are likely over Jharkhand &

Chhattisgarh on 30th July and over East Madhya Pradesh on 31st July.

♦ The western end of the Monsoon trough at mean sea level passes through north of its normal position, while its eastern end is near its normal position. There is high wind convergence from Arabian Sea to plains of northwest India at lower levels. Under its influence:

i) Current spell of widespread rainfall activity with isolated heavy to very heavy falls very likely to continue over Jammu and Kashmir, Himachal Pradesh, Uttrakhand, Punjab and Haryana till 30th July and reduction thereafter. Fairly widespread to widespread rainfall with isolated heavy falls very likely over Uttar Pradesh during next 5-days (30th July till 3rd August).

ii) Fairly widespread to widespread rainfall with isolated heavy to very heavy falls likely to continue over East Rajasthan and West Madhya Pradesh during 30th July-03rd August. It is likely to increase from 30th July. Isolated extremely heavy falls are likely over East Rajasthan during 30th July-01st August and over West Madhya Pradesh on 31st July, 2021.

Main Weather Observations

♦ Rain/Thundershowers observed (from 0830 hours IST to 1730 hours IST of yesterday): at most places over Haryana, Chandigarh & Delhi, Gujarat Region, Konkan & Goa, Madhya Maharashtra, Coastal Karnataka, Kerala & Mahe, Jharkhand, Chhattisgarh, Odisha, West Bengal & Sikkim and Assam

& Meghalaya; at many places over East Uttar Pradesh; at a few places over Jammu & Kashmir, Ladakh, Gilgit-Baltistan & Muzaffarabad, Himachal Pradesh, Uttarakhand, West Uttar Pradesh, Rajasthan, Madhya Pradesh, Saurashtra & Kutch and North Interior Karnataka and at isolated places over Punjab, Marathwada, Vidarbha, South Interior Karnataka, Kerala & Mahe, Nagaland, Manipur, Mizoram & Tripura and Andaman & Nicobar Islands.

♦ Heavy Rainfall observed (from 0830 hours IST to 1730 hours IST of yesterday): Heavy to Very Heavy Rainfall at isolated places over Gangetic West Bengal and heavy rainfall at isolated places over Haryana and Delhi.

♦ Significant Rainfall Amount recorded (from 0830 hours IST to 1730 hours IST of yesterday) (2 cm or more): Diamond Harbour-18; Canning-8;

Delhi(Safdarjung) and Haldia-7; Midnapur-6; Delhi(Ridge), Kolkata and Mahabaleshwar-5; Purulia, Honavar and Gorakhpur-4; Delhi(Ayanagar), Orai, Jhansi, Kalimpong, Khajuraho and Baripada-3; Hardoi, Nowgong, Hamirpur, Bhagalpur and Satna-2 each.

♦ Thunderstorm observed (from 0830 hours IST of yesterday to 0530 hours IST of today): at isolated places over Himachal Pradesh, Uttarakhand, Haryana, Chandigarh & Delhi, East Uttar Pradesh, West Madhya Pradesh, Saurashtra & Kutch, VIdarbha, Uttar Pradesh, Bihar, Jharkhand, West Bengal & Sikkim and Assam & Meghalaya.

♦ Maximum Temperature Departures as on 29-07-2021: Maximum temperatures were above normal (1.6°C to 3.1°C) at many places over Kerala & Mahe;

at a few places over Tamilnadu, Puducherry & Karaikal and at isolated places over Konkan & Goa, Telangana, Coastal Andhra Pradesh & Yanam and Andaman & Nicobar Islands. They were markedly below normal( -5.1°C to Less) at isolated places over West Rajasthan, Haryana, Chandigarh & Delhi, East Uttar Pradesh, East Madhya Pradesh and Odisha; appreciably below normal (-3.1°C to -5.0°C) at many places over East Rajasthan; at a few places over West Madhya Pradesh, Saurashtra & Kutch, Marathwada, Chhattisgarh and Gangetic West Bengal; below normal (-1.6°C to -3.0°C) at many places over Jharkhand;

at a few places over Gujarat Region, VIdarbha and Nagaland, Manipur, Mizoram & Tripura and at isolated places over Jammu, Kashmir, Ladakh, Gilgit- Baltistan & Muzaffarabad and near normal over rest parts of the country. Yesterday, the highest maximum temperature of 39.6°C was reported at Madurai(Tamilnadu, Puducherry & Karaikal).

♦ Minimum Temperature Departures as on 29-07-2021: Minimum temperatures were above normal (1.6°C to 3.0°C) at many places over Coastal Andhra Pradesh & Yanam and Sub-Himalayan West Bengal & Sikkim; at a few places over Jammu, Kashmir, Ladakh, Gilgit-Baltistan & Muzaffarabad, Saurashtra

& Kutch, Madhya Maharashtra, Telangana, Coastal Karnataka, Andaman & Nicobar Islands and Lakshadweep; at isolated places over Kerala & Mahe. They were below normal (-1.6°C to -3.0°C) at many places over Haryana, Chandigarh & Delhi; at a few places over East Rajasthan, West Uttar Pradesh, Vidarbha and Madhya Pradesh; at isolated places over Gangetic West Bengal and Tamil Nadu, Puducherry & Karaikal and near normal over rest parts of the country.

Yesterday, the lowest minimum temperature of 19.6°C was reported at Khargone (West Madhya Pradesh).

* 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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Meteorological Analysis (Based on 0530 hours IST)

♦ The Well Marked Low Pressure Area over Gangetic West Bengal and adjoining Bangladesh now lies over Interior parts of Gangetic West Bengal & neighbourhood with the associated cyclonic circulation extends upto upper tropospheric levels. It is likely to move west-northwestwards across Jharkhand, south Bihar and southern parts of Uttar Pradesh during next 48 hours.

♦ The Monsoon trough at mean sea level now passes through Ferozepur, Hissar, Meerut, Hardoi, Varanasi, Gaya, centre of Well Marked Low Pressure Area over Interior parts of Gangetic West Bengal and thence southeastwards to Northeast Bay of Bengal. It extends upto 0.9 km above mean sea level.

♦ The off-shore trough from South Maharashtra coast to north Kerala coast persists.

♦ The cyclonic circulation over Haryana & neighbourhood at 3.1 km above mean sea level persists.

♦ The cyclonic circulation over East Uttar Pradesh between 1.5 & 4.5 km above mean sea level persists.

Weather Forecast for next 5 days * upto 0830 hours IST of 04th August, 2021

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

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

Weather Outlook for subsequent 2 days from 04th August 2021 to 06th August 2021

♦ Below normal monsoon conditions likely over southern peninsula and active monsoon conditions over the northern parts of the country.

♦ Fairly widespread to Widespread rainfall likely over Northeastern parts of the country, Central India & plains of Northwest India and along the West coast; scattered to fairly widespread rainfall likely over most parts of East India and isolated rainfall over rest parts of the country.

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Weather Warning during next 5 days *

30 July (Day 1): ♦ Heavy to Very Heavy Rainfall with Extremely Heavy Falls at isolated places very likely over East Rajasthan, Jharkhand and Chhattisgarh; Heavy to Very Heavy Rainfall at isolated places over Uttarakhand, West Rajasthan, Madhya Pradesh and Bihar and Heavy rainfall at isolated places over Himachal Pradesh, Haryana, Uttar Pradesh, Odisha, West Bengal & Sikkim, Assam & Meghalaya, Madhya Maharashtra and Konkan & Goa.

♦ Thunderstorm accompanied with lightning very likely at isolated places over Arunachal Pradesh, Assam & Meghalaya and Nagaland, Manipur, Mizoram

& Tripura.

♦ Strong winds (speed 45-55 kmph gusting to 65 kmph) very likely over North, Southwest and Central Arabian Sea and along & off Gujarat-Maharashtra- Karnataka coasts; (speed 40-50 kmph gusting to 60 kmph) over Northwest & Westcentral Bay of Bengal and along & off north Andhra Pradesh-Odisha-West Bengal coast. Fishermen are advised not to venture into these areas.

31 July (Day 2):♦ Heavy to Very Heavy Rainfall with Extremely Heavy Falls at isolated places very likely over East Rajasthan and Madhya Pradesh;

Heavy to Very Heavy Rainfall at isolated places over East Uttar Pradesh, West Rajasthan, Jharkhand and Chhattisgarh and Bihar and Heavy rainfall at isolated places over Himachal Pradesh, Uttarakhand, West Uttar Pradesh, Bihar, Odisha, Sub-Himalayan West Bengal & Sikkim, Assam & Meghalaya, Madhya Maharashtra and Konkan & Goa.

♦ Strong winds (speed 45-55 kmph gusting to 65 kmph) very likely over North, Southwest and Central Arabian Sea and along & off Gujarat-Maharashtra- Karnataka coasts; (speed 40-50 kmph gusting to 60 kmph) over Central Bay of Bengal. Fishermen are advised not to venture into these areas.

01 August (Day 3):♦ Heavy to Very Heavy Rainfall with Extremely Heavy Falls at isolated places likely over East Rajasthan; Heavy to Very Heavy Rainfall at isolated places over Madhya Pradesh and Heavy rainfall at isolated places over Himachal Pradesh, Uttarakhand, Uttar Pradesh, West Rajasthan, Chhattisgarh, Sub-Himalayan West Bengal & Sikkim, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura and Konkan & Goa.

♦ Thunderstorm accompanied with lightning likely at isolated places over Andaman & Nicobar Islands.

♦ Strong winds (speed 45-55 kmph gusting to 65 kmph) likely over North and Central Arabian Sea and along & off Gujarat-Maharashtra-Karnataka coasts;

(speed 40-50 kmph gusting to 60 kmph) over Central Bay of Bengal. Fishermen are advised not to venture into these areas.

02 August (Day 4):♦ Heavy to Very Heavy Rainfall at isolated places likely over East Rajasthan and West Madhya Pradesh and Heavy rainfall at isolated places over Himachal Pradesh, Uttarakhand, Uttar Pradesh, West Rajasthan, East Madhya Pradesh, Chhattisgarh and Assam & Meghalaya.

03 August (Day 5):♦ Heavy to Very Heavy Rainfall at isolated places likely over East Rajasthan and West Madhya Pradesh and Heavy rainfall at isolated places over Himachal Pradesh, Uttarakhand, Uttar Pradesh, West Rajasthan, East Madhya Pradesh, Chhattisgarh and Assam & Meghalaya.

Kindly download MAUSAM APP for location specific forecast & warning, MEGHDOOT APP for Agromet advisory and DAMINI APP for Lightning Warning & visit state MC/RMC websites for district wise warning.

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Table-1

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ALL INDIA WEEKLY WEATHER REPORT 22 JULY – 28 JULY, 2021

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

SIGNIFICANT WEATHER FEATURES

♦ A Low Pressure Area has formed over Northwest Bay of Bengal & neighbourhood in the morning of 22^nd July 2021; it became a Well Marked Low Pressure Area and lay over Northwest Bay of Bengal off north Odisha- West Bengal coasts on 23^rd; weakening into a Low Pressure Area, it lay over Jharkhand & adjoining north Chhattisgarh on 24^th and over northern parts of central Madhya Pradesh & neighbourhood on 25^th; the Low pressure has become less marked; however, its remanant cyclonic circulation extending upto midtropospheric levels lay over northwest Madhya Pradesh & neighbourhood on 26^th; it lay over southern parts of central Uttar Pradesh on 27^thin the lower tropospheric levelsbefore gettingless marked on 28^th July 2021; this system along with its associated cyclonic circulation extending upto mid tropospheric levels with southward tilt, during its course of movement west-northwestwards have caused fairly widespread to widespread rainfall/thunderstorms activity over parts of Central India on all the days and over parts of East and Northwest India , Gujarat State and Telengana on a few days during the week; isolated very heavy/extremely heavy rainfall had occurred over parts of Central and Northwest India and isolated very heavy rainfall had occurred over Gujarat State on a few days whereas isolated very heavy/extremely heavy rainfall had occurred over Western Himalayan Region and Telengana on one or two days along with.

♦ An offshore trough extending from Maharashtra coast to Kerala coast which persisted on a few days and strengthening of the monsoon flow due to the formation of the Low pressure area over Northwest Bay of Bengal & neighbourhood and its convergence towards the west coast have caused fairly widespread to widespread rainfall/thunderstorm activity over the coastal and ghat areas and the adjacent interior parts of Maharashtra and Karnataka during the week along with heavy to very heavy/extremely heavy rainfall reported on a few days over these areas along with.

♦ A Low Pressure Area has formed over North Bay of Bengal & neighbourhood in the morning of 27^thJuly 2021;

it has become a Well Marked Low Pressure Area in the early morning hours and lay over coastal Bangladesh

& adjoining areas of West Bengal on 28^th July 2021; this system along with its associated cyclonic circulation extending upto mid tropospheric levels have caused fairly widespread to widespread rainfall/thunderstorm activity over Gangetic West Bengal and adjoining areas of Odisha and Jharkhand towards the end of the week; isolated heavy rainfall also had been reported over these areas on one or two days along with.

Heavy rain:

♦ Heavy to very heavy rainfall with extremely heavy falls at isolated places had occurred over West Madhya Pradesh on five days; over East Rajasthan and Madhya Maharashtra on three days each; over East Uttar Pradesh, Konkan & Goa and Telangana on two days each; over Himachal Pradesh, Jammu Kashmir & Ladakh, West Rajasthan, East Madhya Pradesh, Coastal & Interior Karnataka on one day each during the week.

♦ Heavy to Very heavy rainfall at isolated places had occurred over Gujarat Region and Vidarbha on four days each; over Tamilnadu, Puducherry & Karaikal Kerala & Mahe, East Madhya Pradesh and Uttarakhand on three days each; over Odisha, Punjab, East Rajasthan, West Madhya Pradesh, Saurashtra & Kutch, Madhya Maharashtra, Chhattisgarh and Coastal Karnataka on two days each; over Gangetic West Bengal, Jharkhand, Bihar, West Uttar Pradesh, Jammu Kashmir & Ladakh, Konkan & Goa, Marathwada and Interior Karnataka on one day each during the week.

♦ Heavy rainfall at isolated places had occurred over Assam & Meghalaya and Haryana, Chandigarh & Delhi on five days each; over Tamil Nadu, Puducherry & Karaikal on four days; over East Uttar Pradesh, East Rajasthan and Coastal Andhra Pradesh & Yanam on three days each; over Gangetic West Bengal, Odisha, Jharkhand, Himachal Pradesh, West Rajasthan, Saurashtra & Kutch, Konkan & Goa, Madhya Maharashtra, Chhattisgarh, Rayalaseema, Coastal & South Interior Karnataka and Kerala & Mahe on two days each; over Arunachal Pradesh, Nagaland, Manipur, Mizoram & Tripura, Sub-Himalayan West Bengal & Sikkim, West Uttar Pradesh, Punjab, Jammu Kashmir & Ladakh, East Madhya Pradesh, Gujarat Region, Marathwada, Telangana and North Interior Karnataka on one day each during the week.

Temperature Scenario:

♦The highest maximum temperature of 41.6^oC had been recorded at Ganganagar (West Rajasthan) on 25^th July 2021 and the lowest minimum temperature of 17.6^oC had been recorded at Bidar (North Interior Karnataka) on 23^rd July 2021 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

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METEOROLOGICALANALYSIS

♦ Under the influence of last week’s cyclonic circulation over Northwest Bay of Bengal & neighbourhood, a Low Pressure Area has formed over the same region with the associated cyclonic circulation extending upto mid-tropospheric levels tilting southwestwards with height in the morning of 22^nd July 2021; it lay as a Well Marked Low Pressure Area over Northwest Bay of Bengal off north Odisha-West Bengal coasts with the associated cyclonic circulation now extending upto 5.8 km above mean sea level on 23^rd; it lay as a Low Pressure Area over Jharkhand & adjoining north Chhattisgarh with the associated cyclonic circulation extending upto 5.8 km above mean sea level on 24^th; it lay over northern parts of central Madhya Pradesh & neighbourhood with the associated cyclonic circulation extending upto 5.8 km above mean sea level tilting southwards with height on 25^th; the has become less marked; however, its associated cyclonic circulation lay over northwest Madhya Pradesh & neighbourhood extending upto 5.8 km above mean sea level tilting southwards with height on 26^th; it lay over southern parts of central Uttar Pradesh and extended upto 3.1 km above mean sea level on 27^th; it has become less marked on 28^th July 2021.

♦ The Monsoon Trough at mean sea level passed through Firozepur, Rohtak, Aligarh, Churk, Ranchi, Balasore, the centre of Low pressure area over Northwest Bay of Bengal and thence southeastwards to Eastcentral Bay of Bengal and extended upto 0.9 km above mean sea level on 22^nd July 2021; it passed through Anupgarh, Sawai Madhopur, Jhansi, Rewa, Ambikapur, Chaibasa, centre of Well Marked Low Pressure Area over Northwest Bay of Bengal off north Odisha-West Bengal coasts and thence southeastwards to Eastcentral Bay of Bengal and extended upto 1.5 km above mean sea level on 23^rd; it passed through Phalodi, Ajmer, Datia, centre of Low Pressure Area over Jharkhand & adjoining north Chhattisgarh, Balasore and thence southeastwards to Northeast Bay of Bengal and extended upto 1.5 km above mean sea level on 24^th; it passed through Bikaner, Ajmer, centre of Low Pressure Area over northern parts of central Madhya Pradesh & neighbourhood, Daltonganj, Jamshedpur and thence eastwards to Tripura on 25^th; it passed through Ganganagar, Hissar, Delhi, Aligarh, Fursatganj, Gaya, Bankura and thence southeastwards to Northeast Bay of Bengal on 26^th; it passed through Ganganagar, Hissar, Meerut, Hardoi, Varanasi, Daltonganj, Digha and thence eastwards to the centre of low pressure area over North Bay of Bengal & neighbourhood on 27^th; it passed through Firozepur, Hissar, Meerut, Hardoi, Sultanpur, Nalanda, Bokaro,centre of Well Marked Low pressure area over coastal Bangladesh

& adjoining West Bengal and thence southeastwards to Northeast Bay of Bengal and extended upto 0.9 km above mean sea level on 28^th July 2021.

♦ Last week’s off-shore trough at mean sea level ran from south Gujarat coast to north Kerala coast on 22^nd July 2021; it ran from Maharashtra coast to north Kerala coast on 23^rd; it ran from Karnataka coast to Kerala coast on 24^thand 25^th; it has become less marked on 26^th July 2021.

♦ Last week’s Western Disturbance lay as a trough in mid & upper tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long. 70°E to the north of Lat. 28°N on 22^nd July 2021; it has moved away northeastwards on 23^rd July 2021.

♦ Last week’s cyclonic circulation over East Uttar Pradesh & neighbourhood extending upto 3.1 km above mean sea level has become less marked on 22^nd July 2021.

♦ Last week’s cyclonic circulation over West Bengal & adjoining Bangladesh at 1.5 km above mean sea level has become less marked on 22^nd July 2021.

♦ Last week’s cyclonic circulation over central Assam & neighbourhood at 0.9 km above mean sea level has become less marked on 22^nd July 2021.

♦ A cyclonic circulation lay over West Uttar Pradesh & neighbourhood and extended between 1.5 km and 3.1 km above mean sea level on 22^nd July 2021; it has become less marked on 23^rd July 2021.

♦ A cyclonic circulation lay over North Pakistan & adjoining Jammu at 1.5 km above mean sea level on 22^nd July 2021; it has become less marked on 23^rd July 2021.

♦ A fresh Western Disturbance lay as a trough in mid-tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long. 62°E to the north of Lat. 28°N on 23^rd July 2021; it continued to be seen as a trough in mid-tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long. 63°E to the north of Lat. 30°N on 24^thandroughly along Long. 65°E to the north of Lat. 30°N on 25^th and roughly along Long. 66°E to the north of Lat. 30°N on 26^th; it has moved away northeastwards on 27^th July 2021.

♦ A cyclonic circulation lay over southwest Rajasthan & neighbourhood between 3.1 & 4.5 km above mean sea level on 23^rd July 2021; it has become less marked on 24^th July 2021.

♦ A trough ran from the cyclonic circulation associated with the Low Pressure Area over Jharkhand &

adjoining north Chhattisgarh to north Gujarat Region across Madhya Pradesh between 3.1 km & 5.8 km above mean sea level tilting southwards with height on 24^th July 2021; it has merged with the east-west trough roughly along Lat. 25°N between 3.1 & 7.6 km above mean sea level on 25^th July 2021.

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♦ An east-west trough ran roughly along Lat. 25°N between 3.1 & 7.6 km above mean sea level tilting southwards with height on 25^th and 26^th July 2021; it has become less marked on 27^th July 2021.

♦ A cyclonic circulation lay over northwest Rajasthan & neighbourhood and extended upto 1.5 km above mean sea level on 25^th and 26^th July 2021; it lay over north Pakistan & adjoining Punjab and extended upto 1.5 km above mean sea level on 27^th; it persisted over the same areas and extended upto 3.1 km above mean sea level on 28^th July 2021.

♦ A cyclonic circulation lay over North Bay of Bengal & neighbourhood between 1.5 km & 5.8 km above mean sea level tilting southwestwards with height on 26^th July 2021; under its influence, a Low Pressure Area has formed over North Bay of Bengal & neighbourhood with the associated cyclonic circulation extending upto mid tropospheric levels in the morning of 27^th; it lay as a Well Marked Low Pressure Area over south Bangladesh and adjoining North Bay of Bengal & West Bengal in the early morning hours and over coastal Bangladesh & adjoining West Bengal in the forenoon with the associated cyclonic circulation extending upto mid tropospheric levels on 28^th July 2021.

♦ A cyclonic circulation lay over southeast Rajasthan & neighbourhood and extended between 3.1 & 3.6 km above mean sea level on 27^th July 2021; it has merged with the trough from the cyclonic circulation over north Pakistan & adjoining Punjab to south Gujarat across West Rajasthan at 3.1 km above mean sea level on 28^th July 2021.

♦ An off-shore trough ran from south Gujarat coast to north Kerala coast on 28^th July 2021.

♦ A trough ran from the cyclonic circulation over north Pakistan & adjoining Punjab to south Gujarat across West Rajasthan at 3.1 km above mean sea level on 28^th July 2021.

RAINFALL SUMMARY

Category of the rainfall

WEEK SEASON

22.07.2021 TO 28.07.2021 01.06.2021 TO 28.07.2021 Number of Sub-divisions Number of Sub-divisions

LARGE EXCESS (+60% or more) 6 3

EXCESS (+20% to +59%) 5 6

NORMAL (+19% to -19%) 18 18

DEFICIENT (-20% to -59%) 4 9

LARGE DEFICIENT (-60% to -99%) 3 0

NO RAIN (-100%) 0 0

Cumulative rainfall (mm) Actual Normal % Departure Actual Normal % Departure EAST & NORTH-EAST INDIA 45.2 92.4 -51% 608.3 740.9 -18%

NORTH-WEST INDIA 53.3 52.9 1% 246.5 265.1 -7%

CENTRAL INDIA 117.9 77.3 53% 470.0 459.0 +2%

SOUTH PENINSULA 72.3 52.8 37% 435.8 356.0 +22%

country as a whole _77.5 _67.4 _15% _416.6 _424.1 _-2%

 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 29 July TO 04 August, 2021

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

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Table-1 (A)

METEOROLOGICAL SUB-DIVISIONWISE DISTRIBUTION OF REALISED RAINFALL-2021

S.No. MET.SUB-DIVISIONS 22 JUL 23 JUL 24 JUL 25 JUL 26 JUL 27 JUL 28 JUL

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

2 ARUNACHAL PRADESH SCT FWS FWS WS FWS FWS FWS

3 ASSAM & MEGHALAYA FWS SCT SCT SCT SCT FWS SCT

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

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

6 GANGETIC WEST BENGAL SCT FWS WS* SCT SCT WS* WS

7 ODISHA WS WS* WS* ISOL SCT SCT WS

8 JHARKHAND FWS SCT WS* FWS ISOL FWS FWS

9 BIHAR FWS ISOL FWS SCT ISOL FWS SCT

10 EAST UTTAR PRADESH FWS* SCT SCT ISOL ISOL SCT WS*

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

12 UTTARAKHAND WS* WS SCT ISOL WS FWS WS*

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

14 PUNJAB ISOL ISOL ISOL ISOL ISOL SCT WS*

15 HIMACHAL PRADESH SCT WS SCT FWS FWS WS WS*

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

17 WEST RAJASTHAN SCT SCT ISOL ISOL SCT SCT ISOL

18 EAST RAJASTHAN ISOL SCT FWS FWS SCT FWS* FWS*

19 WEST MADHYA PRADESH SCT FWS* WS* WS* WS* WS* WS

20 EAST MADHYA PRADESH WS* WS* WS* WS* FWS FWS WS*

21 GUJARAT REGION SCT ISOL ISOL FWS WS** WS FWS

22 SAURASTRA & KUTCH ISOL ISOL ISOL FWS* WS** FWS ISOL

23 KONKAN & GOA WS* WS* WS WS WS WS WS

24 MADHYA MAHARASHTRA WS** FWS** FWS* FWS FWS* FWS FWS

25 MARATHAWADA WS** WS FWS SCT ISOL ISOL ISOL

26 VIDARBHA WS* WS* WS FWS WS FWS WS

27 CHHATTISGARH WS WS WS* WS FWS WS WS*

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

29 TELANGANA WS** WS** WS SCT SCT ISOL WS

30 RAYALASEEMA WS* FWS ISOL ISOL ISOL ISOL ISOL

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

32 COASTAL KARNATAKA WS WS* WS WS WS WS WS

33 NORTH INT.KARNATAKA WS* WS** FWS* SCT FWS ISOL SCT

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

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

36 LAKSHADWEEP FWS FWS 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 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 -2021

Sr. No MET.SUB-DIVISIONS 29 JUL 30 JUL 31 JUL 01 AUG 02 AUG 03 AUG 04 AUG

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

2 ARUNACHAL PRADESH FWS FWS FWS^● FWS FWS SCT SCT

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

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

5 SUB-HIM.W. BENG. & SIKKIM FWS FWS^● FWS^● FWS^● FWS FWS FWS

6 GANGETIC WEST BENGAL WS^●●● WS^● FWS FWS FWS FWS SCT

7 ODISHA WS^●● WS^● FWS^● FWS SCT ISOL SCT

8 JHARKHAND WS^●● WS^●●● FWS^●● FWS FWS FWS SCT

9 BIHAR WS^●● WS^●● WS^●● WS WS FWS WS

10 EAST UTTAR PRADESH WS^● WS^● FWS^●● FWS^● FWS^● SCT SCT

11 WEST UTTAR PRADESH WS^●● WS^● FWS^● FWS^● WS^● FWS SCT

12 UTTARAKHAND WS^●● WS^●● WS^● WS^● WS^● FWS WS

13 HARYANA CHD. & DELHI WS^●● FWS^● SCT SCT FWS FWS WS

14 PUNJAB FWS^●● SCT SCT SCT SCT SCT SCT

15 HIMACHAL PRADESH WS^●● WS^● WS^● WS^● WS^● SCT SCT

16 JAMMU & KASHMIR AND LADAKH WS^● WS FWS SCT SCT SCT SCT

17 WEST RAJASTSAN SCT^● SCT^●● FWS^●● FWS^● FWS^● FWS SCT

18 EAST RAJASTSAN FWS^● WS^●●● WS^●●● WS^●●● WS^●●● WS FWS

19 WEST MADHYA PRADESH FWS^● WS^●● WS^●●● WS^●● WS^●● SCT SCT

20 EAST MADHYA PRADESH WS^●● WS^●● WS^●●● WS^●● WS^● SCT SCT

21 GUJARAT REGION SCT SCT SCT SCT SCT SCT SCT

22 SAURASTRA & KUTCH ISOL ISOL ISOL ISOL ISOL SCT ISOL

23 KONKAN & GOA WS^● WS WS WS^● WS WS WS

24 MADHYA MAHARASHTRA FWS^● FWS^● FWS^● SCT SCT SCT SCT

25 MARATHAWADA SCT ISOL^● ISOL^● ISOL ISOL ISOL ISOL

26 VIDARBHA WS WS WS FWS FWS SCT SCT

27 CHHATTISGARH WS^● WS^●●● WS^●● FWS^● FWS^● SCT SCT

28 COASTAL ANDHRA PR. & YANAM ISOL ISOL ISOL ISOL ISOL ISOL ISOL

29 TELANGANA ISOL ISOL ISOL ISOL ISOL ISOL ISOL

30 RAYALASEEMA ISOL ISOL ISOL ISOL ISOL ISOL ISOL

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

32 COASTAL KARNATAKA WS WS WS FWS FWS WS FWS

33 NORTH INTERIOR KARNATAKA ISOL SCT SCT SCT SCT ISOL ISOL

34 SOUTH INTERIOR KARNATAKA SCT SCT SCT SCT SCT SCT ISOL

35 KERALA & MAHE FWS FWS FWS FWS FWS FWS SCT

36 LAKSHADWEEP FWS FWS FWS FWS FWS SCT SCT

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)

(11)

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Table-1 (C)

METEOROLOGICAL SUB-DIVISIONWISE REALISED MAXIMUM TEMPERATURE-2021

S.No MET.SUB-DIVISIONS 22 JUL 23 JUL 24 JUL 25 JUL 26 JUL 27 JUL 28 JUL

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

2 ARUNACHAL PRADESH N N AAN AN N N N

3 ASSAM & MEGHALAYA N AAN AAN AN N N N

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

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

6 GANGETIC WEST BENGAL N N N AN AN N N

7 ODISHA N N N N N N N

8 JHARKHAND N N N N AN N N

9 BIHAR AN AN N AN N N AN

10 EAST UTTAR PRADESH N AN N N N N N

11 WEST UTTAR PRADESH N N N N N N N

12 UTTARAKHAND BN AN AN N N N N

13 HARYANA, CHD. & DELHI BN N N N N N MBN

14 PUNJAB N N AN AN N N N

15 HIMACHAL PRADESH N N N N BN N MBN

16 JAMMU & KASHMIR AND LADAKH N N AN N N N N

17 WEST RAJASTHAN N N AN 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 ABN N N N N

21 GUJARAT REGION AN N N N N N N

22 SAURASTRA & KUTCH N N N N N N N

23 KONKAN & GOA N N N N N N N

24 MADHYA MAHARASHTRA N N N N N N N

25 MARATHAWADA ABN BN N N N N N

26 VIDARBHA N ABN BN N N N N

27 CHHATTISGARH N N N N N BN N

28 COASTAL ANDHRA PR. &

YANAM MBN BN N AN AN AN AN

29 TELANGANA MBN N N N AN AN N

30 RAYALASEEMA MBN N N N AN N N

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

32 COASTAL KARNATAKA BN N N AN AN N AN

33 NORTH INTERIOR KARNATAKA MBN ABN N AN N N AN

34 SOUTH INTERIOR KARNATAKA ABN ABN N N N N N

35 KERALA & MAHE N N N N N N AN

36 LAKSHADWEEP N N N N N N N

Highest Maximum Temperature (°C) 39.5 40.2 41.4 41.6 40.0 37.7 37.5

Station/(s) observed HMT Bikaner Phalodi Bikaner Ganganagar Ganganagar Ganganagar Pilani

Station/(s) lies in Met-Subdivision/(s) W RAJ W RAJ W RAJ W RAJ W RAJ W RAJ E RAJ

Lowest Minimum Temperature (°C) 18.0 17.6 18.0 19.2 19.0 19.2 19.8

Station/(s) observed LMT Bidar Bidar Khandwa Khargone Khargone Khargone Khargone

Station/(s) lies in Met-Subdivision/(s) NIK NIK W MP W MP W MP W MP W MP

LEGENDS:

BN - BELOW NORMAL (N-2)^OC AN - ABOVE NORMAL (N+2)^OC

N - NORMAL (N+1,N-1)ÔC ABN - APPRECIABLY BELOW NORMAL (N-3.1 to -4.9)ÔC AAN - APPRECIABLY ABOVE NORMAL (N+3.1 to +4.9)ÔC MBN - MARKEDLY BELOW NORMAL (N-5 AND BELOW )ÔC MAN - MARKEDLY ABOVE NORMAL (N+5 AND ABOVE)ÔC

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

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

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Table-2

STATEWISE DISTRIBUTION OF NO. OF DISTRICTS WITH EXCESS, NORMAL,DEFICIENT,SCANTY AND NO RAINFALL

S. STATES PERIOD FROM : 01.06.2021 TO 28.07.2021

NO. LE E N D LD NR ND TOTAL

1 A & N ISLAND (UT) 0 1 2 0 0 0 0 3

2. ARUNACHAL PRADESH 0 0 3 11 2 0 0 16

3. ASSAM 0 0 14 13 0 0 0 27

4. MEGHALAYA 1 1 0 5 0 0 0 7

5. NAGALAND 0 0 4 7 0 0 0 11

6. MANIPUR 1 0 0 2 6 0 0 9

7. MIZORAM 0 0 4 4 0 0 0 8

8. TRIPURA 0 0 2 2 0 0 0 4

9. SIKKIM 0 1 2 1 0 0 0 4

10. WEST BENGAL 0 2 12 5 0 0 0 19

11. ODISHA 0 0 14 16 0 0 0 30

12. JHARKHAND 0 4 14 6 0 0 0 24

13. BIHAR 2 12 21 3 0 0 0 38

14. UTTAR PRADESH 2 17 23 30 3 0 0 75

15. UTTARAKHAND 2 1 8 2 0 0 0 13

16. HARYANA 4 9 6 2 1 0 0 22

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

18. DELHI 2 4 2 1 0 0 0 9

19. PUNJAB 1 3 8 9 1 0 0 22

20. HIMACHAL PRADESH 0 1 9 2 0 0 0 12

21. JAMMU & KASHMIR(UT) 1 1 11 5 2 0 0 20

22. LADAKH(UT) 0 0 0 0 2 0 0 2

23. RAJASTHAN 1 1 9 22 0 0 0 33

24. MADHYA PRADESH 1 11 30 9 0 0 0 51

25. GUJARAT 0 0 7 26 0 0 0 33

26. DADRA & NAGAR HAVELI (UT) 0 0 1 0 0 0 0 1

27. DAMAN & DIU (UT) 0 0 1 0 1 0 0 2

28. GOA 0 1 1 0 0 0 0 2

29. MAHARASHTRA 5 16 14 1 0 0 0 36

30. CHHATISGARH 1 7 13 6 0 0 0 27

31. ANDHRA PRADESH 3 6 4 0 0 0 0 13

32. TELANGANA 18 15 0 0 0 0 0 33

33. TAMILNADU 20 10 7 1 0 0 0 38

34. PUDUCHERRY (UT) 0 0 2 2 0 0 0 4

35. KARNATAKA 15 5 10 0 0 0 0 30

36. KERALA 0 0 4 10 0 0 0 14

37. LAKSHADWEEP (UT) 0 0 0 1 0 0 0 1

TOTAL 80 129 262 205 18 0 0 694

CATEGORYWISE DISTRIBUTION

OF DISTRICTS OUT OF THE 11% 19% 38% 29% 3% 0%

694 WHOSE DATA RECEIVED

PERCENT DISTRIBUTION OF DISTRICTS IN EARLIER YEARS SINCE 1st JUNE

DATE LE E N D LD NR

29.07.2020 13% 16% 37% 31% 3% 0%

31.07.2019 3% 13% 39% 41% 4% 0%

25.07.2018 5% 20% 36% 30% 9% 0%

26.07.2017 10% 17% 46% 23% 4% 0%

27.07.2016 0% 27% 42% 26% 5% 0%

(13)

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Table-3

RAINFALL DURING MONSOON SEASON

S.

No.

Meteorological Sub-Divisions

For the period from 1^st June to

Friday 30 July 2021 - Time of Issue: 0745 hours IST

ALL INDIA WEEKLY WEATHER REPORT 22 JULY – 28 JULY, 2021

SIGNIFICANT WEATHER FEATURES

Table-1 (A)

Table-1 (B)

Table-1 (C)

Table-2

Table-3

RAINFALL DURING MONSOON SEASON

Meteorological Sub-Divisions

27 JUL

2016

26 JUL 2017

25 JUL 2018

31 JUL 2019

29 JUL 2020

28 JUL 2021 1. Andaman &

Nicobar Islands A N D

632 787 -20

694 775 -10

736 763 -4

874 816 +7

815 789 +3

841 775 +9

2. Arunachal Pradesh

A N D

1010 982

+3

780 963 -19

619 946 -35

1028 1015 +1

1088 988 +10

621 974 -36

3 Assam &

Meghalaya

A N D

752 997 -25

811 979 -17

629 961 -35

1032 1055 -2

1271 1028 +24

753 1011

-26

4.

Nagaland, Manipur, Mizo.

& Tripura

A N D

510 775 -34

836 762 +10

562 748 -25

655 787 -17

541 763 -29

487 748 -35

5.

Sub-Himalayan West Bengal &

Sikkim

A N D

1248 1032 +21

830 1013

-18

798 993 -20

1140 1109 +3

1503 1073 +40

893 1055

-15

6. Gangetic West Bengal

A N D

492 532 -8

654 523 +25

411 513 -20

315 591 -47

555 569 -3

612 556 +10

7. Odisha

A N D

424 504 -16

536 492 +9

549 482 +14

447 562 -21

473 538 -12