Friday 08 January 2021 - Time of Issue: 0800 hours IST

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Friday 08 January 2021 MORNING Time of Issue: 0800 hours IST ALL INDIA WEATHER SUMMARY AND FORECAST BULLETIN

Significant Weather Features

♦ Under the influence of a fresh Western Disturbance as a cyclonic circulation over western parts of Afghanistan & neighbourhood in mid & upper tropospheric levels, Western Himalayan Region very likely to experience isolated rain/snow and isolated rain over Punjab, Haryana, Northeast Rajasthan and West Uttar Pradesh on 08th January, 2021 is also very likely.

♦ Under the influence of cyclonic circulation over Southeast Arabian Sea and another cyclonic circulation over south Tamilnadu coast & neighbourhood in lower tropospheric levels; Fairly widespread to widespread rainfall with moderate thunderstorm & lightning very likely over southern peninsular India during next 2-3 days and over Tamilnadu, Puducherry & Karaikal during next 4 days.

♦ Under the influence of a trough in low level easterlies from Karnataka coast to Maharashtra coast in lower tropospheric levels; isolated to scattered rainfall with moderate thunderstorm & lightning at isolated places very likely over Maharashtra during next 2 days

♦ Cold wave conditions are likely over Punjab, Haryana and Rajasthan during 08th-09th January, 2021.

♦ Due to abundant moisture available in lower tropospheric levels and other favourable meteorological features, dense to very dense fog at isolated pockets very likely over Punjab & Haryana and dense fog over Delhi and north Madhya Pradesh in the morning hours of 09th January, 2021.

Main Weather Observations

♦ Rain/Thundershowers observed (from 0830 hours IST to 1730 hours IST of yesterday): at many places over Telangana; at a few places over South Interior Karnataka and Rayalseema; at isolated places over Jammu, Kashmir, Ladakh, Gilgistan, Baltistan & Muzaffrabad, Madhya Maharashtra, Tamilnadu, Puducherry & Karaikal and Coastal Andhra Pradesh & Yanam.

♦ Rainfall recorded (from 0830 hours IST to 1730 hours IST of yesterday) (1 cm or more): Valprai-2; Nasik City-1.

♦ Fog observed (at 0530 hours IST of today): Very dense fog in isolated pockets over Punjab, West Rajasthan and West Uttar Pradesh; Dense fog in isolated pockets in Jammu & Kashmir, Haryana & Delhi, East Rajasthan, Madhya Pradesh, East Uttar Pradesh and Odisha.

♦ Visibility reported (at 0530 hours IST of today) (200 metre or less): Patiala, Churu, Jaisalmer and Bareilly-25 each; Katra, Delhi (Palam), Udaipur and Bahraich-50 each; Amritsar, Ganganagar, Guna, Satna and Puri-200 each.

♦ Maximum Temperature Departures as on 07-01-2021: Maximum temperatures were appreciably above normal (3.1°C to 5.0°C) at most places over Jharkhand; at many places over East Madhya Pradesh and Odisha; at a few places over Himachal Pradesh; above normal (1.6°C to 3.0°C) at most places over Uttrakhand, east Utter Pradesh, Nagaland, Manipur, Mizoram & Tripura, Assam & Meghalaya, Bihar, Gangetic West Bengal and Chattisgarh; at many places over Sub Himalayan West Bengal & Sikkim and Vidarbha; at a few places over Andaman & Nicobar and Coastal Andhra Pradesh & Yanam and at isolated places over Jammu, Kashmir, Ladakh, Gilgistan, Baltistan & Muzaffrabad, West Madhya Pradesh, Konkan & Goa and Tamilnadu, Puducherry &

Karaikal. They were appreciably below normal (-3.1°C to -5.0°C) at most places over West Rajasthan; at a few places over Haryana, Chandigarh & Delhi, east Rajasthan and West Utter Pradesh; below normal (-1.6°C to -3.0°C) at most places over North Interior Karnataka; at many places over Rayalseema; at a few places over Gujarat State, Madhya Maharshtra, Telangana and South Interior Karnataka. Yesterday, the highest maximum temperature of 34.6°C was reported at Karwar (Coastal Karnataka) and Cochin Airport (Kerala) over the country.

♦ Minimum Temperature Departures as on 07-01-2021: Minimum temperatures were markedly above normal (5.1°C or more) at most places over Punjab, Haryana, Chandigarh & Delhi, Jharkhand, Madhya Maharashtra and Marathwada; at many places over Uttar Pradesh, West Madhya Pradesh, Bihar, Chhattisgarh, Vidarbha, North Interior Karnataka and Telangana; at a few places over Odisha and Rayalaseema; at isolated places over West Rajasthan;

appreciably above normal (3.1°C to 5.0°C) at many places over Gangetic West Bengal, East Madhya Pradesh, Nagaland, Manipur, Mizoram & Tripura and Coastal Andhra Pradesh & Yanam; at a few places over East Rajasthan, Sub-Himalayan West Bengal & Sikkim, South Interior Karnataka and Andaman &

Nicobar Islands and at isolated places over Jammu & Kashmir, Ladakh, Gilgit-Baltistan & Muzaffarabad and above normal (1.6°C to 3.0°C) at many places over Tamilnadu, Puducherry & Karaikal and Konkan & Goa. and at isolated places over Coastal Karnataka and Kerala & Mahe. They were appreciably below normal (-3.1°C to -5.0°C) at a few places over Saurashtra & Kutch and at isolated places over Gujarat Region and near normal over rest parts of the country.

Yesterday, the lowest minimum temperature of 5.2°C was reported at Naliya (Saurashtra & Kutch) 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

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Meteorological Analysis (Based on 0530 hours IST)

♦ The Western Disturbance as a cyclonic circulation over western parts of Afghanistan & neighbourhood between 3.1 km & 7.6 km above mean sea level persists.

♦ The cyclonic circulation over Southeast Arabian Sea between 1.5 km & 4.5 km above mean sea level persists.

♦ The cyclonic circulation over south Tamilnadu coast & neighbourhood extending upto 1.5 km above mean sea level persists.

♦ The trough in low level easterlies from Karnataka coast to south Gujarat coast across Maharashtra coast at 0.9 km above mean sea level persists.

**Weather Forecast for next 5 days * upto 0830 hours IST of 13th January, 2021**

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

♦ Gradual fall in minimum temperatures by 3-4°C very likely over most parts of Northwest India during next 3-4 days. No large change in minimum temperature very likely over most parts of central India during next 2-3 days and fall by 2-3°C thereafter.

♦ No significant change in minimum temperatures over rest parts of the country during next 2-3 days.

♦ Shallow to moderate fog in isolated pockets very likely over Bihar, Odisha, Assam & Meghalaya and Nagaland, Manipur, Mizoram & Tripura during next 2 days.

Weather Outlook for subsequent 2 days from 13th January, 2021 to 15th January, 2021

♦ Isolated rain/thundershowers likely over southern parts of Kerala and Tamil Nadu.

♦ Weather likely to be dry over remaining parts of the country.

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Weather Warning during next 5 days *

08 January (Day 1): ♦ Heavy rainfall at isolated places very likely over Coastal & South Interior Karnataka, Kerala & Mahe and Tamilnadu, Puducherry & Karaikal.

♦ Thunderstorm accompanied with lightning at isolated places very likely over West Madhya Pradesh, Konkan & Goa, Madhya Maharashtra, Marathwada, Coastal Andhra Pradesh & Yanam, Rayalaseema, Karnataka, Tamilnadu, Puducherry & Karaikal, Kerala &

Mahe and Lakshadweep.

♦ Dense to very dense fog in isolated pockets very likely over Punjab, Haryana, Chandigarh & Delhi and dense fog in isolated pockets very likely over North Madhya Pradesh.

♦ Cold Day conditions in isolated pockets very likely over Punjab, Haryana and Rajasthan.

♦ Squally weather (wind speed reaching 45-55 kmph) very likely over Northwest Arabian Sea. Fishermen are advised not to venture into this area.

09 January (Day 2): ♦ Heavy rainfall at isolated places very likely over Tamilnadu, Puducherry & Karaikal.

♦ Thunderstorm accompanied with lightning at isolated places very likely over West Madhya Pradesh, Konkan & Goa, Madhya Maharashtra, Karnataka, Tamil Nadu, Puducherry & Karaikal, Lakshadweep and Kerala & Mahe.

♦ Cold Day conditions in isolated pockets very likely over Punjab, Haryana and Rajasthan.

10 January (Day 3): ♦ Heavy to very heavy rainfall at isolated places likely over Tamil Nadu, Puducherry & Karaikal and heavy rainfall at isolated places over Kerala & Mahe.

♦ Thunderstorm accompanied with lightning at isolated places likely over Coastal Karnataka, Tamil Nadu, Puducherry & Karaikal, Lakshadweep and Kerala & Mahe.

11 January (Day 4): ♦ Heavy rainfall at isolated places likely over Tamil Nadu, Puducherry & Karaikal and Kerala & Mahe.

♦ Thunderstorm accompanied with lightning at isolated places likely over Tamil Nadu, Puducherry & Karaikal, Lakshadweep and Kerala & Mahe.

12 January (Day 5): ♦ Thunderstorm accompanied with lightning at isolated places likely over Tamil Nadu, Puducherry & Karaikal, Lakshadweep and Kerala & Mahe.

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 31 DECEMBER 2020 – 06 JANUARY 2021

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

SIGNIFICANT WEATHER FEATURES

♦ An active Western Disturbance started affecting Northwest India from 2^nd January 2020; it lay as a deep cyclonic circulation over Central Pakistan & neighbourhood extending upto mid and upper tropospheic levels on 3^rdJanuary and it persistedover the same region till 5^th;it lay over north Pakistan and neighbourhood as a cyclonic circulation in the lower tropospheric levels with a trough aloft in mid and upper tropospheric westerlies towards the end of the week; An induced cyclonic circulation in the lower tropospheric levels (which formed in the beginning of the week) associated with this Western Disturbance persisted over southern parts of West Rajasthan till 5^th before shifting northwards towards the end of the week; A trough in lower tropospheric levels which lay extending from north Pakistan and adjoining Punjab to northern parts of Arabian Sea during 3^rd to 6^th January has provided enhanced moisture supply to the system; in addition to this, there had been interaction between this Western Disturbance and the moist southeasterlies originating from Bay of Bengal over Northwest and adjoining parts of Central India.

♦ Under the influence of the above synoptic features, fairly widespread to widespread rainfall/snowfall/thunderstorms activity along with isolated heavy rainfall/snowfall had occurred over Western Himalayan Region, fairly widespread to widespread rainfall/thunderstorms along with isolated heavy rainfall over East Rajasthan on a single day had occurred over adjoining plains of Northwest India and isolated to scattered rainfall/thunderstorm activity had occurred over parts of Central India during 3-6 January 2021;Isolated hail storm activity also had been reported from parts of Western Himalayan Region and adjoining plains of Northwest India during the same period.

♦ The above mentioned weather scenario has caused significant increase in minimum temperature leading to the abatement of severe cold wave conditions which were prevailing over Northwest India from the second half of previous week.

♦ Movement of easterly waves has caused scattered to fairly widespread rainfall/thunderstorms activity over South Peninsula, Andaman & Nicobar and Lakshadweep islands and isolated to scattered rainfall/thunderstorm activity over parts of Maharashtra; it has also caused isolated intense to very intense rainfall activity over Tamil Nadu, Puducherry & Karaikkal on two to three days and isolated intense rainfall activity over Costal Andhra Pradesh& Yanam, Rayalaseema and Kerala & Mahe on one day each during the week.

Heavy Rainfall:

♦ Heavy to very heavy rainfall with extremely heavy rainfall at isolated places had occurred over Tamil Nadu, Puducherry & Karaikkal on one day during the week.

♦ Heavy rainfall at isolated places had occurred over Jammu Kashmir & Ladakh and Tamil Nadu, Puducherry

& Karaikkal on two days each; over Himachal Pradesh, East Rajasthan, Coastal Andhra Pradesh & Yanam, Rayalaseema and Kerala & Mahe on one day each during the week.

Fog:

♦ Dense to very dense fog had occurred at most places over Punjab on one day; at many places over Punjab, Haryana, Chandigarh & Delhi and West Uttar Pradesh on one day each; at a few places over Haryana, Chandigarh & Delhi and East Uttar Pradesh on one day each; at isolated places over East Uttar Pradesh, Uttarakhand and West Rajasthan on two days each and over West Madhya Pradesh, West Uttar Pradesh, Tamil Nadu, Puducherry & Karaikkal and Himachal Pradesh on one day each during the week.

♦ Dense fog had occurred at a few places over Haryana, Chandigarh & Delhi on one day; at isolated places over Himachal Pradesh on four days, over Haryana, Chandigarh & Delhi and Jammu Kashmir & Ladakh on three days each, over East Rajasthan, East and West Uttar Pradesh on two days each, over Uttarakhand, northern parts of West Uttar Pradesh, Assam & Meghalaya, Nagaland, Manipur, Mizoran & Tripura, Punjab and West Rajasthan on one day each during the week.

Temperature Scenario:

Cold Day:

♦ Cold day to severe cold day conditions had occurred at a few places over Haryana, Chandigarh & Delhi on two days and over Punjab and West Uttar Pradesh on one day each; at isolated places over West Uttar Pradesh on one day during the week.

♦ Cold day conditions had occurred at a few places over Punjab on one day; at isolated places over Haryana, Chandigarh & Delhi on two days; over Punjab, East Rajasthan, East Uttar Pradesh, East & West Madhya

Government of India Ministry of Earth Sciences India Meteorological Department National Weather Forecasting Centre

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Pradesh and Himachal Pradesh on one day each during the week.

Cold Wave:

♦ Cold wave to severe cold wave conditions had occurred at many places over Punjab and Haryana, Chandigarh & Delhi on two days each; at isolated places over West Uttar Pradesh on two days, over East &

West Rajasthan, East & West Uttar Pradesh and Uttarakhand on one day each during the week.

♦ Cold wave conditions had occurred at isolated places over Saurashtra & Kutch on four days; over West Uttar Pradesh on three days; over Punjab on two days; over Himachal Pradesh, East Uttar Pradesh, northern parts of West Madhya Pradesh and northern parts of East & West Rajasthan on one day each during the week.

♦ The lowest minimum temperature of -1.3 ^oC had been recorded at Churu (West Rajasthan) on 31^st December 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.

METEOROLOGICALANALYSIS

♦ Last week’s Western Disturbance as a cyclonic circulation over eastern parts of Jammu & Kashmir and neighbourhood between 3.1 km & 4.5 km above mean sea level has moved away east- northeastwards on 31^st December 2020.

♦ Last week’s cyclonic circulation over northwest Uttar Pradesh & neighbourhood at 1.5 km above mean sea level has become less marked on 31^st December 2020.

♦ A Western Disturbance as a cyclonic circulation lay over north Pakistan and adjoining Jammu & Kashmir between 3.1 & 3.6 km above mean sea level with a trough aloft in mid & upper tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long. 71°E to the north of Lat. 30°N on 31^st December 2020; the cyclonic circulation associated with the Western Disturbance over north Pakistan and adjoining Jammu & Kashmir between 3.1 km & 3.6 km above mean sea level persisted whereas the trough aloft in mid

& upper tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long. 71°E to the north of Lat. 30°N has become less marked on 1^st January 2021; this system has merged with the Western Disturbance which lay as a cyclonic circulation over Afghanistan & adjoining central Pakistan between 3.1 km

& 7.6 km above mean sea level on 2^nd January 2021.

♦ An induced cyclonic circulation lay over southwest Rajasthan & neighbourhood at 2.1 km above mean sea level on 31^st December 2020;it persisted over the same area and was seen between 1.5 km & 2.1 km above mean sea level on 1^st January 2021; it continued to persist over the same area and extended upto 2.1 km above mean sea level on 2^nd; it persisted over southwest Rajasthan & neighbourhood and extended upto 1.5 km above mean sea level on 3^rd and 4^th ; it lay over West Rajasthan & neighbourhood at 0.9 km above mean sea level on 5^th; it lay over southern parts of Haryana & neighbourhood and extended upto 0.9 km above mean sea level on 6^th January 2021.

♦ A Western Disturbance as a cyclonic circulation lay over Afghanistan & neighbourhood between 5.8 km & 7.6 km above mean sea level on 1^st January 2021; it lay over Afghanistan & adjoining Central Pakistan between 3.1 km & 7.6 km above mean sea level on 2^nd; it lay as a cyclonic circulation over Central Pakistan &

neighbourhood and was seen between 2.1 km & 7.6 km above mean sea level on 3^rd; it persisted as a cyclonic circulation over the same area between the same levels on 4^th; it was seen as a cyclonic circulation over Central Pakistan & neighbourhood extending upto 5.8 km above mean sea level with a trough aloft with its axis at 7.6 km above mean sea level roughly along long. 68°E to the north of lat. 15°N on 5^th; it lay as a cyclonic circulation over north Pakistan & neighbourhood and extended upto 4.5 km above mean sea level with a trough aloft in mid and upper tropospheric westerlies with its axis at 5.8 km above mean sea level roughly along Long. 72°E to the north of Lat.28°N on 6^th January 2021.

♦ A trough in low level easterlies extending upto 0.9 km above mean sea level ran from Eastcentral Arabian Sea off Maharashtra coast to southwest Rajasthan across Gujarat on 1^st January 2021; it has become less marked on 2^nd January 2021.

♦ A Trough extending upto 1.5 km above mean sea level ran from North Punjab to Northeast Arabian Sea along & off Gujarat coast, across the induced cyclonic circulation over southwest Rajasthan and Saurashtra &

Kutch on 3^rd January 2020 and it persisted on 4^th; it was seen at 1.5 km above mean sea level running from north Pakistan to northern parts of Central Arabian Sea across West Rajasthan, Saurashtra & Kutch and Northeast Arabian Sea on 5^th; it ran from north Pakistan to south Gujarat coast across West Rajasthan and Saurashtra & Kutch at 1.5 km above mean sea level on 6^th January 2021.

♦ A cyclonic circulation lay over East Bangladesh & neighbourhood and extended upto 1.5 km above mean sea level on 3^rd January 2021 and it persisted at the same region extending upto 1.5 km above mean sea level on 4^th; it lay over south Assam & neighbourhood and extended upto 1.5 km above mean sea level on 5^th; it has become less marked on 6^th January 2021.

♦ A trough in low level easterlies at 0.9 km above mean sea level ran from Eastcentral Arabian Sea off

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Karnataka coast to south Madhya Maharashtra across south Konkan & Goa on 5^th January 2021; it ran from the cyclonic circulation over central parts of south Arabian Sea and adjoining Equatorial Indian Ocean to north Madhya Maharshtra across Eastcentral Arabian Sea and south Konkan & Goa at 0.9 km above mean sea level on 6^th January 2021.

♦ A trough in low level easterlies extending upto 1.5 km above mean sea level ran from south Sri Lanka coast to north Coastal Andhra Pradesh on 5^th January 2021; it ran from Comorin area to north Tamil Nadu across Gulf of Mannar at 0.9 km above mean sea level on 6^th January 2021.

♦ A cyclonic circulation lay over central parts of south Arabian Sea and adjoining Equatorial Indian Ocean and extended upto 4.5 km above mean sea level on 6^th January 2021.

RAINFALL SUMMARY

Category of the rainfall

WEEK SEASON

31.12.2020 TO 06.01.2021 01.10.2020 TO 31.12.2020 Number of Sub-divisions Number of Sub-divisions

LARGE EXCESS (+60% or more) 17 2

EXCESS (+20% to +59%) 3 9

NORMAL (+19% to -19%) 0 9

DEFICIENT (-20% to -59%) 1 11

LARGE DEFICIENT (-60% to -99%) 6 5

NO RAIN (-100%) 9 0

Cumulative rainfall (mm) Actual Normal % Departure Actual Normal % Departure

EAST & NORTH-EAST INDIA 0.0 2.4 -99% 142.1 166.7 -15%

NORTH-WEST INDIA 22.6 5.2 +335% 34.3 55.9 -39%

CENTRAL INDIA 0.7 1.1 -32% 84.9 76.0 +12%

SOUTH PENINSULA 11.3 2.3 +393% 319.4 277.1 +15%

country as a whole 9.4 2.9 +225% 124.6 123.8 +1%

 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 minimum 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 07 JANUARY TO 13 JANUARY 2021

 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-2020-21

S.No. MET.SUB-DIVISIONS 31 DEC 01 JAN 02 JAN 03 JAN 04 JAN 05 JAN 06 JAN

1 ANDAMAN & NICO.ISLANDS D SCT SCT ISOL D SCT SCT

2 ARUNACHAL PRADESH D D D D D D D

3 ASSAM & MEGHALAYA D D D D D D D

4 NAGA.MANI.MIZO.& TRIPURA D D D D D D ISOL

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

6 GANGETIC WEST BENGAL D D D D D D D

7 ODISHA D D D D D D D

8 JHARKHAND D D D D D D D

9 BIHAR D D D D D D ISOL

10 EAST UTTAR PRADESH D D D ISOL ISOL ISOL ISOL

11 WEST UTTAR PRADESH D D D SCT FWS ISOL SCT

12 UTTARAKHAND D D D SCT FWS SCT WS

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

14 PUNJAB D D ISOL FWS SCT SCT WS

15 HIMACHAL PRADESH D D ISOL FWS ISOL FWS WS

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

17 WEST RAJASTHAN D D ISOL D SCT ISOL ISOL

18 EAST RAJASTHAN D D ISOL SCT SCT SCT ISOL

19 WEST MADHYA PRADESH D D D ISOL ISOL ISOL D

20 EAST MADHYA PRADESH D D D D D ISOL ISOL

21 GUJARAT REGION D D D D ISOL D D

22 SAURASTRA & KUTCH D D D D D D D

23 KONKAN & GOA D D D D ISOL SCT ISOL

24 MADHYA MAHARASHTRA D D D D D SCT ISOL

25 MARATHAWADA D D D D D SCT D

26 VIDARBHA D D D D D ISOL ISOL

27 CHHATTISGARH D D D D D D D

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

29 TELANGANA D D D D D D D

30 RAYALASEEMA ISOL D D D ISOL ISOL SCT

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

32 COASTAL KARNATAKA ISOL ISOL D D SCT SCT SCT

33 NORTH INT.KARNATAKA D D D D ISOL ISOL D

34 SOUTH INT.KARNATAKA ISOL ISOL D ISOL SCT ISOL ISOL

35 KERALA & MAHE ISOL WS D D SCT SCT SCT

36 LAKSHADWEEP D WS FWS D D 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 & Wx. WARNINGS-2021

Sr. No MET.SUB-DIVISIONS 07 JAN 08 JAN 09 JAN 10 JAN 11 JAN 12 JAN 13 JAN

1 ANDAMAN & NICO.ISLANDS SCT SCT SCT ISOL ISOL ISOL ISOL

2 ARUNACHAL PRADESH ISOL ISOL ISOL ISOL ISOL D D

3 ASSAM & MEGHALAYA D D D D ISOL D D

4 NAGA.MANI.MIZO.& TRIPURA D D D D D D D

5 SUB-HIM.W. BENG. & SIKKIM D ISOL ISOL ISOL ISOL D D

6 GANGETIC WEST BENGAL D D D D D D D

7 ODISHA D D D D D D D

8 JHARKHAND D D D D D D D

9 BIHAR D D D D D D D

10 EAST UTTAR PRADESH D^F D D D D D D

11 WEST UTTAR PRADESH D^F ISOL D D D D D

12 UTTARAKHAND D^F ISOL D D D D D

13 HARYANA CHD. & DELHI D^F ISOL^F D D D D D

14 PUNJAB D^F D^F D D D D D

15 HIMACHAL PRADESH D^F D D D D D D

16 JAMMU & KASHMIR AND LADAKH ISOL ISOL D D D D D

17 WEST RAJASTSAN D^F D D D D D D

18 EAST RAJASTSAN D^F ISOL D D D D D

19 WEST MADHYA PRADESH ISOL^F ISOL^{L F} ISOL^L D D D D

20 EAST MADHYA PRADESH D^F ISOL^{L F} ISOL D D D D

21 GUJARAT REGION D ISOL ISOL ISOL D D D

22 SAURASTRA & KUTCH D D D D D D D

23 KONKAN & GOA SCT^L SCT^L SCT^L ISOL ISOL D D

24 MADHYA MAHARASHTRA SCT^L SCT^L SCT^L ISOL ISOL ISOL D

25 MARATHAWADA ISOL^L ISOL^L ISOL D D D D

26 VIDARBHA ISOL ISOL D D D D D

27 CHHATTISGARH ISOL D D D D D D

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

29 TELANGANA SCT^L ISOL D D D D D

30 RAYALASEEMA FWS^L ISOL^L ISOL ISOL ISOL D D

31 TAMIL. PUDU. & KARAIKAL FWS^{●● L} FWS^{● L} FWS^{● L} WS^{●● L} WS^{● L} SCT ISOL

32 COASTAL KARNATAKA WS^{●● L} WS^{● L} WS^{● L} FWS^L SCT D D

33 NORTH INTERIOR KARNATAKA FWS^L FWS^L SCT^L SCT ISOL D D

34 SOUTH INTERIOR KARNATAKA WS^{●● L} FWS^{● L} SCT^L SCT ISOL D D

35 KERALA & MAHE WS^{●● L} WS^{● L} FWS^L FWS^{● L} WS^{● L} SCT ISOL

36 LAKSHADWEEP WS^L FWS^L SCT^L FWS^L WS^L FWS 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)

F Fog * Snowfall ^DDuststorm ^$Thunderstorm with Squall ^L Thunderstorm with Lightning ^#Thunderstorm with Hail

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

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

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Table-1 (C)

METEOROLOGICAL SUB-DIVISIONWISE REALISED MINIMUM TEMPERATURE-2020-21

S.No MET.SUB-DIVISIONS 31 DEC 01 JAN 02 JAN 03 JAN 04 JAN 05 JAN 06 JAN

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

2 ARUNACHAL PRADESH N N N N N N N

3 ASSAM & MEGHALAYA N N N N N N N

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

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

6 GANGETIC WEST BENGAL N N N N N N N

7 ODISHA N N N N N N N

8 JHARKHAND N N N N AAN N N

9 BIHAR N BN BN N N N MAN

10 EAST UTTAR PRADESH N ABN N N N MAN N

11 WEST UTTAR PRADESH BN ABN N AAN MAN MAN MAN

12 UTTARAKHAND BN N N AAN AAN MAN N

13 HARYANA, CHD. & DELHI ABN N N N N MAN MAN

14 PUNJAB BN N N N MAN MAN MAN

15 HIMACHAL PRADESH N N N N N N N

16 JAMMU & KASHMIR AND LADAKH ABN N N N N N N

17 WEST RAJASTHAN N N N N N MAN N

18 EAST RAJASTHAN N N N N MAN MAN N

19 WEST MADHYA PRADESH N N N N MAN MAN MAN

20 EAST MADHYA PRADESH N N N N MAN MAN MAN

21 GUJARAT REGION N N AN N N AN N

22 SAURASTRA & KUTCH N BN N N N N N

23 KONKAN & GOA N AAN AAN N N AAN AN

24 MADHYA MAHARASHTRA N N N N MAN MAN MAN

25 MARATHAWADA AAN AAN N N AN MAN MAN

26 VIDARBHA N N N AAN AN N N

27 CHHATTISGARH N N AN N N N N

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

29 TELANGANA N N N N N N MAN

30 RAYALASEEMA AAN N N N N N MAN

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

32 COASTAL KARNATAKA AAN AAN N AAN AAN AAN AAN

33 NORTH INTERIOR KARNATAKA AAN AAN N N N AAN N

34 SOUTH INTERIOR KARNATAKA AN N N N N AN N

35 KERALA & MAHE AAN N N N AN N N

36 LAKSHADWEEP N AN N N N N N

Lowest Minimum Temperature (°C) -1.3 -1.2 1.1 5.4 4.3 7.8 5.6

Station(/s) observed LMT Churu Hissar Pant Nagar Banda Pilani Naliya Naliya

Station(/s) lies in Met-Subdivision(/s) West Raj. Haryana Uttarakhand East U.P. East Raj. Saurastra

& Kutch

Saurastra &

Kutch 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

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

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

(11)

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Table-2

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

S. STATES PERIOD FROM : 01.10.2020 TO 31.12.2020

NO. LE E N D LD NR ND TOTAL

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

2. ARUNACHAL PRADESH 1 2 5 6 1 0 1 16

3. ASSAM 3 11 2 10 1 0 0 27

4. MEGHALAYA 1 3 0 2 1 0 0 7

5. NAGALAND 2 3 3 1 2 0 0 11

6. MANIPUR 0 2 4 2 1 0 0 9

7. MIZORAM 0 2 4 1 1 0 0 8

8. TRIPURA 0 2 2 0 0 0 0 4

9. SIKKIM 0 0 1 1 2 0 0 4

10. WEST BENGAL 0 0 3 8 8 0 0 19

11. ODISHA 7 11 8 4 0 0 0 30

12. JHARKHAND 3 1 6 8 6 0 0 24

13. BIHAR 0 1 1 17 19 0 0 38

14. UTTAR PRADESH 0 0 1 12 50 12 0 75

15. UTTARAKHAND 0 0 1 2 10 0 0 13

16. HARYANA 0 0 3 5 12 1 0 21

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

18. DELHI 0 0 0 0 7 2 0 9

19. PUNJAB 2 1 4 11 2 0 0 20

20. HIMACHAL PRADESH 0 1 7 4 0 0 0 12

21. JAMMU & KASHMIR(UT) 2 1 4 12 1 0 0 20

22. LADAKH(UT) 0 0 0 1 1 0 0 2

23. RAJASTHAN 0 0 2 10 21 0 0 33

24. MADHYA PRADESH 0 2 9 16 24 0 0 51

25. GUJARAT 4 4 10 6 9 0 0 33

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

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

28. GOA 0 1 1 0 0 0 0 2

29. MAHARASHTRA 9 5 10 9 2 0 1 36

30. CHHATISGARH 6 6 6 9 0 0 0 27

31. ANDHRA PRADESH 2 8 3 0 0 0 0 13

32. TELANGANA 15 7 8 3 0 0 0 33

33. TAMILNADU 0 10 22 5 0 0 0 37

34. PUDUCHERRY (UT) 1 1 1 1 0 0 0 4

35. KARNATAKA 2 8 16 4 0 0 0 30

36. KERALA 0 0 7 7 0 0 0 14

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

TOTAL 61 94 157 180 181 15 2 690

CATEGORYWISE DISTRIBUTION

OF DISTRICTS OUT OF THE 9% 14% 23% 26% 26% 2%

688 WHOSE DATA RECEIVED

PERCENT DISTRIBUTION OF DISTRICTS IN EARLIER YEARS SINCE 1st OCTOBER

DATE LE E N D LD NR

31.12.2019 34% 21% 20% 17% 8% 0%

31.12.2018 2% 3% 10% 24% 41% 20%

31.12.2017 9% 11% 19% 21% 32% 8%

31.12.2016 8% 7% 15% 28% 38% 4%

31.12.2015 0% 10% 9% 22% 51% 8%

(12)

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Table-3

RAINFALL DURING POST MONSOON SEASON

S.

No.

Meteorological Sub-Divisions

For the period from 1

^st

October to 31 DEC

2015

31 DEC 2016

31 DEC 2017

31 DEC 2018

31 DEC 2019

31 DEC 2020 1. Andaman &

Nicobar Islands A N D

618 696 -11

1003 696 +44

713 696 +2

857 696 +23

293 676 -57

859 676 +27

2. Arunachal Pradesh

A N D

129 267 -52

190 267 -29

236 267 -12

133 267 -50

145 267 -46

247 267 -8

3 Assam &

Meghalaya

A N D

91 195

-53

154 195 -21

236 195 +21

88 195

-55

205 197 +4

215 197 +9

4. Nagaland, Manipur, Mizo.

& Tripura

A N D

132 243 -46

204 243 -16

374 243 +54

118 243 -51

186 221 -16

213 221 -3

5. Sub-Himalayan West Bengal &

Sikkim

A N D

83 185

-55

156 185 -16

171 185 -7

93 185

-50

124 179 -31

122 179 -32

6. Gangetic West Bengal

A N D

39 160

-76

89 160 -45

261 160 +63

97 160

-40

244 156 +56

81 156 -48

7. Odisha

A N D

47 144

-68

104 144 -28

196 144 +36

178 144 +23

189 131 +44

167 131 +27

8. Jharkhand

A N D

26 92 -72

45 92 -50

106 92 +16

55 92 -40

141 90 +56

67 90 -25

9. Bihar

A N D

10 77 -87

61 77 -22

50 77 -36

22 77 -72

42 73 -42

30 73 -59

10. East Uttar Pradesh

A N D

17 60 -72

26 60 -57

3 60 -95

* 60 -99

46 48 -3

9 48 -81

11. West Uttar Pradesh

A N D

12 54 -79

10 54 -82

2 54 -96

7 54 -86

52 33 +59

5 33 -83

12. Uttarakhand

A N D

26 90 -71

17 90 -82

21 90 -76

25 90 -72

115 61 +89

18 61 -71

13. Haryana, Chandigarh &

Delhi

A N D

6 29 -79

6 29 -81

10 29 -66

28 20 +40

9 20 -57

14. Punjab

A N D

10 41 -75

3 41 -92

22 41 -47

10 41 -77

62 26 +137

21

26 -21

(13)

S. No.

Meteorological Sub-Divisions

For the period from 1

^st