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Aiws

The India Meteorological Department reports persistent cyclonic circulations over various regions, with significant weather patterns affecting northeast Assam and northwest India. Night temperatures are markedly above normal in several areas, while dense fog conditions are reported in parts of Uttar Pradesh, Bihar, and Meghalaya. Forecasts indicate two fresh Western Disturbances likely to impact northwest India between February 1st and 3rd, 2025.

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0% found this document useful (0 votes)
10 views3 pages

Aiws

The India Meteorological Department reports persistent cyclonic circulations over various regions, with significant weather patterns affecting northeast Assam and northwest India. Night temperatures are markedly above normal in several areas, while dense fog conditions are reported in parts of Uttar Pradesh, Bihar, and Meghalaya. Forecasts indicate two fresh Western Disturbances likely to impact northwest India between February 1st and 3rd, 2025.

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Sravan
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भारत मौसम विज्ञान विभाग India Meteorological Department

Thursday, 30th January 2025 (10 Magha 1946 Saka)


Summary of observations recorded at 0830 hours IST: The cyclonic circulation over northeast Assam & neighbourhood which extended upto
1.5 km above m. s. l. persisted. The western disturbance as a cyclonic circulation over west Afghanistan & neighbourhood lay over east Afghanistan
& neighbourhood at 3.1 km above mean sea level with the trough aloft in middle & upper tropospheric westerlies with its axis at 5.8 km above m.
s. l. roughly along Long. 68°E to the north of Lat. 33°N persisted. Subtropical westerly Jet Stream with core winds of the order upto 145 knots at
12.6 km above m. s. l. is prevailing over northeast India. An induced cyclonic circulation lay over west Rajasthan which extended upto 1.5 km
above m. s. l. A trough in easterlies lay over southwest Bay of Bengal which extended upto 0.9 km above m. s. l. Two fresh Western Disturbances
are likely to affect northwest India during 01st & 03rd February, 2025. The cyclonic circulation over south Haryana & neighbourhood became less
marked.

Night temperatures were markedly above normal (5.1°C or above) at isolated places over Gangetic West Bengal and Madhya
Maharashtra; appreciably above normal (3.1°C to 5.0°C) at some places over Vidarbha; at isolated places over Arunachal Pradesh, Assam &
Meghalaya, Himachal Pradesh, Punjab, Chhattisgarh, east Madhya Pradesh, Marathwada, Saurashtra & Kutch; above normal (1.6°C to 3.0°C)
at most places over Gujarat region; at many places over Jammu-Kashmir, Ladakh-Gilgit-Baltistan-Muzaffarabad, Rajasthan, Bihar, Nagaland,
Manipur, Mizoram & Tripura, east Madhya Pradesh, Jharkhand, and sub-Himalayan West Bengal & Sikkim; at a few places over Haryana-
Chandigarh-Delhi; at isolated places over Uttarakhand, coastal Andhra Pradesh & Yanam, north interior Karnataka, Telangana, Tamil Nadu,
Puducherry & Karaikal and Kerala & Mahe. These were below normal (-1.6°C to -3.0°C) at many places over Delhi; at isolated places over east
Madhya Pradesh, Konkan & Goa, Rayalaseema and near normal over rest parts of the country. Today, the lowest minimum temperature of
6.1°C is reported at Fursatganj (east Uttar Pradesh) over the plains of the country.
Fog reported (at 0830 hours IST of today): Dense to very dense fog condition in isolated pockets of Uttar Pradesh, Bihar, Meghalaya
and Saurashtra & Kutch. Shallow to moderate fog conditions in isolated pockets of Haryana-Chandigarh-Delhi, West Bengal & Sikkim, west
Rajasthan and Assam & Meghalaya.
Visibility reported (at 0830 hours IST of today) (≤500 m): Delhi: Safdarjung, Palam and Ridge -500 each; west Uttar Pradesh: Bareilly
& Shahjahanpur -00 each; Moradabad-500; east Uttar Pradesh: Prayagraj, Balia, Azamgarh, & Mirdha -00 each, Gorakhpur & Kushinagar -50
each; Lucknow, Varanasi, Baharaich, Fursatganj & Sultanpur -200 each; Gorakhpur -500; Bihar: Purnea & Bhagalpur -00 each, Patna -500 each;
West Bengal & Sikkim: Asansol, Gangtok, Pakyong, Cooch Behar & Bankura 200 each; Shantiniketan, Jalpaiguri & Darjeeling- 500 each; Assam
& Meghalaya: Barapani -30; Shillong- 200; Haflong & Dibrugarh -500each; west Rajasthan: Bikaner -200; Saurashtra & Kutch: Keshod-00.

Fig.1. Analysed upper air chart based on 00z observation (Part 1) Fig.2. Analysed upper air chart based on 00z observation (Part 2)

Fig.3. Analysed surface chart based on 03z observation

CR & S Office, Pune Weather Forecasting Division


Issued at 1245 hrs. IST For Head, CR&S, Pune
Indian
Realised rainfall (chief amount in cm during past 24 hrs):
regions
isolated places: Arunachal Pradesh, Assam & Meghalaya, Nagaland-Manipur-Mizoram-Tripura◆ and Sub-Himalayan West Bengal & Sikkim◆
East dry weather: Gangetic West Bengal, Odisha, Jharkhand and Bihar
Dhemaji 3.8, N.lakhimpur / Lilabari 3.1, Chauldhowaghat 2.7, Naharlagun 1.7, Basar 1.1, Tezu 0.4, Mokokchang 0.2.
isolated places: Himachal Pradesh◆ / * and Jammu-Kashmir and Ladakh● / *
North dry weather: Uttar Pradesh, Uttarakhand, Haryana, Punjab and Rajasthan
Gulmarg RS 0.4, Kupwara kvk AWS 0.3, Kupwara 0.2, Kothi 0.1.
Central dry weather: Madhya Pradesh, Vidarbha and Chhattisgarh
isolated places: Tamil Nadu◆
Peninsula dry weather: Gujarat State, Konkan & Goa, Madhya Maharashtra, Marathwada, coastal Andhra Pradesh, Telangana, Rayalaseema, coastal Karnataka, interior Karnataka and
Kerala
a few places: Andaman & Nicobar
Islands dry weather: Lakshadweep
Iaf carnicobar 6.2, Nancowry 0.6.
Table 2. Forecast / warnings (distribution of rain / thundershowers) for 7 days (valid from time of origin upto 0830 hrs IST of next day)
Sr. No Day 1 Day 2 Day 3 Day 4 Day 5 Day 6 Day 7 Sr. Day 1 Day 2 Day 3 Day 4 Day 5 Day 6 Day 7
Sub-division Name No Sub-division Name
30 Jan 31 Jan 1 Feb 2 Feb 3 Feb 4 Feb 5 Feb . 30 Jan 31 Jan 1 Feb 2 Feb 3 Feb 4 Feb 5 Feb
Andaman Nicobar I D D D D I I D D D D D D D
1 19 west Madhya Pradesh
Islands
2 Arunachal Pradesh F + S I I D D D 20 east Madhya Pradesh D D D D D D D
3 Assam-Meghalaya S ≡ I ≡ D ≡ D D D D 21 Gujarat region D D D D D D D
Nagaland-Manipur- I I D D D D D D D D D D D D
4 22 Saurashtra and Kutch
Mizoram-Tripura
Sub Himalayan West I ≡ I ≡ D D D D D D D D D D D D
5 23 Konkan and Goa
Bengal/Sikkim
Gangetic West D ≡ D D D D D D D D D D D D D
6 24 Madhya Maharashtra
Bengal
7 Odisha D ≡ D ≡ D ≡ D D D D 25 Marathwada D D D D D D D
8 Jharkhand D D D D D D D 26 Vidarbha D D D D D D D
9 Bihar D ≡ D ≡ D ≡ D D D D 27 Chhattisgarh D D D D D D D
D ≡ D ≡ D ≡ D D D I Coastal Andhra Pradesh and D D I D D D D
10 east Uttar Pradesh 28
Yanam
11 west Uttar Pradesh D ≡ D ≡ D ≡ D I I I 29 Telangana D D D D D D D
12 Uttarakhand D D I D S F S 30 Rayalaseema D D I D D D D
Haryana,Chandigarh D I I D S S D Tamil Nadu, Puducherry and S + F + S I D D D
13 31
and Delhi Karaikal
14 Punjab D I I D I S D 32 Coastal Karnataka D D D D D D D
15 Himachal Pradesh I S S D S F S 33 North interior Karnataka D D D D D D D
Jammu-Kashmir and S S S D S W F D I I D D D D
16 34 South interior Karnataka
Ladakh
17 west Rajasthan D D D D I I D 35 Kerala and Mahe I I I I D D D
18 east Rajasthan D D D D I I D 36 Lakshadweep D S S S D D D
Legends: D = Dry I = Isolated S = Scattered F = Fairly widespread W = Widespread # = heavy to very heavy rain at a few places with extremely heavy rain at isolated places +++= heavy rain at a few places with very heavy rain at Isolated places ++= heavy to very heavy rainfall @=Isolated
exceptionally heavy rainfall + = heavy rain ●/*= rain or snow ♦ = very light rain ≡ =fog = thunderstorm with lightning =Squall / Gusty / gale / strong wind - =cold wave/cold day += heat wave/warm night/hot and humid weather =Duststorm =ground frost = Hail

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Fig. 4: Districtwise warnings for five days for Maharashtra State

Pune, Lohegaon and Pashan observations at 0830 hrs. IST of Today


Temperature (°C) Humidity (%) Rainfall (mm)
Max. Dep. Min. Dep. Dep. At 1730 Dep. Dep.
Dry At 0830 hrs. Past Since
past from past from From hrs. IST of from from
Bulb IST 24 hrs. 1st Jan
24 hrs normal 24 hrs. normal normal y’day normal normal
PNE 35.9 5.5 14.9 3.6 16.8 88 5 24 -8 0.0 0.0 -0.8
PSN 34.0 - 15.3 - 16.8 92 - 33 - 0.0 0.0 -
LHG 35.1 4.1 17.8 4.8 23.9 48 -11 23 -1 0.0 0.0 -0.4

Local (Pune and neighbourhood) forecast


Max. / Min. Temperature (°C)
Koregoan Weather
Date Pune Pashan Lohegaon Chinchwad Lavale Magarpatta NDA
Park
30/01/25 36 / 14.9* 34 / 15.3* 35 / 17.8* 36 / 19.6* 36 / 20.5* 36 / 20.4* 36 / -- 37 / 19.3* Mainly clear sky becoming partly cloudy sky towards afternoon or evening. Haze in morning hours.
31/01/25 35 / 15 34 / 15 36 / 18 36 / 20 36 / 21 36 / 20 35 / 15 37 / 19 Mainly clear sky becoming partly cloudy sky towards afternoon or evening. Haze in morning hours.
01/02/25 35 / 15 34 / 15 36 / 18 36 / 20 36 / 21 36 / 20 35 / 15 37 / 19 Mainly clear sky becoming partly cloudy sky towards afternoon or evening. Haze in morning hours.
02/02/25 34 / 16 33 / 16 35 / 19 35 / 21 35 / 22 35 / 21 34 / 16 36 / 20 Mainly clear sky becoming partly cloudy sky towards afternoon or evening. Haze in morning hours.
03/02/25 34 / 17 33 / 17 35 / 20 35 / 22 35 / 22 35 / 22 34 / 17 36 / 21 Mainly clear sky becoming partly cloudy sky towards afternoon or evening. Haze in morning hours.
04/02/25 34 / 17 33 / 17 35 / 20 35 / 22 35 / 22 35 / 22 34 / 17 36 / 21 Mainly clear sky becoming partly cloudy sky towards afternoon or evening. Haze in morning hours.
05/02/25 33 / 18 33 / 18 34 / 21 34 / 22 34 / 22 34 / 22 33 / 18 35 / 21 Mainly clear sky becoming partly cloudy sky towards afternoon or evening. Haze in morning hours.
* = realized temperature
Mumbai (Colaba) Nagpur (AP)
Date 2024 - 25 T max °C T min °C Weather T max °C T min °C Weather
30/01 29 20 Haze. 32 17 Partly cloudy sky.
31/01 28 19 Haze. 32 18 Partly cloudy sky.
01/02 28 20 Partly cloudy sky with haze. 31 19 Partly cloudy sky.
02/02 29 22 Generally cloudy sky. 31 18 Partly cloudy sky.
03/02 28 22 Partly cloudy sky with haze. 31 18 Partly cloudy sky.
04/02 30 19 Partly cloudy sky. 31 17 Partly cloudy sky.
05/02 31 18 Partly cloudy sky. 31 17 Partly cloudy sky.

Rainfall Distribution Rainfall Categories Rainfall (mm) Cloud condition Rainfall Intensity Range
Very Light rain Trace to 2.4 mm Mainly clear sky 1-2 oktas Light Spell 1 cm/hr
Widespread (W) 76-100%
Light rain 2.5 to 15.5 mm Partly cloudy sky 3-4 oktas Moderate Spell 1-2 cm/hr
Fairly Widespread (FW) 51 – 75% Moderate rain 15.6 to 64.4 mm Generally cloudy sky 5-7 oktas Intense Spell 2-3 cm/hr
Scattered (S) 26 – 50% Heavy rain 64.5 to 115.5 mm Overcast 8 oktas Very Intense Spell 3-5 cm/hr
isolated (I) 1 – 25% Very heavy rain 115.6 to 204.4 mm Extremely Intense Spell 5-10 cm/hr
D (D) No Rain Extremely heavy rain ≥ 204.5 mm Cloudburst > 10 cm/hr
Probability Terms in %: Heavy snow 6.5 to 11.5 cms water equivalent of rain
unlikely < 25 Very heavy snow 11.6 to 20.4 cms water equivalent of rain
likely between 25 50
very likely between 51 75
most likely >75

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