Satellite Image on 31st Morning:
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Maximum temperature in various places of Delhi:
Safdarjung: 15c
Pitampura: 15.5c
Rajghat, Pragati Maidan: 14.3c
Pusa: 12.8c
Ridge: 14.9c
Narela: 13.3c
Lodi Road: 14.8c
Palam: 13c (Lowest of the season)
Ayanagar: 14.2c
Najafgarh: 13.1c
NCR
Meerut: 15.2c
Gurugram: 13.2c
Rohtak: 12.2c (Lowest of the season)
Minimum temperatures are expected to be in the range 6-8c on 31December and 1 Jan in Delhi NCR.
No rain is expected in Delhi NCR from 31 Dec-3 Jan.
Vagaries' Views:
Mumbai has witnessed extreme "smog" quality air since the last 8 days. Various explanations from "construction Pollution" to " vast releases of gases".
But let us see and try to analyse the possible reasons for this through the meteorology lens.
Factually, construction or repair works or any burning of gases has commenced from 21st onwards, nor all these activities were "Banned" prior to 21st December.
From 20th, there was a severe dust storm blowing sand and dust over the Iraq region, which gradually increased and moved Eastwards. Now, in Meteorology terms, there was a strong "anticyclone at 3.1kms and 5.8 kms levels, centred over Arabian Peninsula, but having strong wind s blowing over Gujarat and into Maharashtra from the Arabian Sea . The dust was sucked in the Anticyclone.
Due to weight and partly from "temperature inversion", this moist dust was settling down and ground levels ( over Mumbai) and over the region.
(Under normal atmospheric conditions, air is warmer near the ground and colder at higher altitudes. In a temperature inversion, the situation “inverts,” and cold air at the surface gets trapped under a layer of warmer air.
A surface temperature inversion is likely to be present if: mist, fog, occurred. smoke or dust hangs in the air and moves sideways.)
Some areas and vulnerable parts of Mumbai saw heavier settlements of this combination due to the urban topography.
It was also noticed (for this reason), that though this combination smog was "suffocating'" and troublesome, the AQI was moderate...not severe.
The Dust Patch seems to have increased as per image on 29th December.
Inputs from Ashok Patel.
Delhi (Safdarjung) recorded 41.2 mm of rain in the last 24 hours. This is the second highest 24hrs rain recorded in Delhi in December in recorded history.
Delhi Palam: 39mm
Lodhi Road: 45.3mm
Ridge: 46.8mm
Ayanagar: 27.9mm
Data: IMD
The monthly total rain for Delhi Safdarjung in December 2024 is now 53.5 mm, this is also the highest December rain at least since 2007.
Maximum temperature on 23 December as follows (bracket values are temp. departure from normal)
Kurukshetra: 12.6c
Panipat: 14.6c
Sirsa: 14.8c
Rohtak: 15.3c (-5.7c)
Ambala: 13.2c (-5.9c)
Chandigarh: 13.7c (-6.4c)
Hissar: 14.1c (-6.3c)
Karnal: 13.6c (-6c)
This is the first time this season in the entire Delhi NCR, day temperature went below 20c due to cloud cover and light drizzle. Here is the maximum temperature recorded on 23 December 2024
Safdarjung: 18.4c
Pragati Maidan, Rajghat: 18.1c
Pusa: 17.6c
Najafgarh: 17.5c
Ayanagar: 17.4c
Lodi Road: 17.8c
Narela: 17.2c
Ridge: 18.3c
Meerut: 18.1c
Gurugram: 17.7c
Minimum temperatures are running significantly below normal in Jammu & Kashmir, (bracket values indicate temperature departure from normal)
Srinagar: -8.5c (-6.5c), which is also the lowest December temperature after 1990.
Banihal: -4.4c (-5.9c)
Batote: 0.5c (-3.3c)
Kukernag: -5.8c (-3.2c)
Kupwara: -7.2c (-4.5c)
Pahalgam: -8.6c (-4.1c)
Qazigund: -8.2c (-5.9c)
Data: IMD
19th December
*Cold wave conditions over India to abate, last week of December could see anomalously high temps. during day and night time (warm nights expected from Christmas to New year.
Extended range forecasts indicate that the last week of December could see very warm temps. over most parts of India. Cold winter feeling could go missing for the next one week or more as an anomalous lower tropospheric cyclonic circulation is set to anchor over India and the neighboring regions facilitating tropical moisture incursion. Few nights can be exceptionally warm for this time of the year over parts of India.
Models also indicate the arrival of a stronger western disturbance over the western Himalayan regions by around 27/28th of December which could result in rainfall and cloudiness over north and parts of central India with fair chance of snowfall at higher elevations.
From Vag Gokul
16th December
The Anti Cyclone mentioned yesterday persisted and extended into Madhya Maharashtra.
Resulting in low temperatures. Surely current this low temperatures was not expected.
Pune NDA 6.1°
Pune: 7.8°C ( lowest ever for December is 3.3° in 1968)
Mumbai Scruz 14.0..(lowest ever for December is 10.6° in 1949)
Meanwhile, Central and NW India continue to see cold temperatures.
Fathepur (Raj.) -0.4c
Hissar (Haryana) & Faridkot (Punjab) 0.6c
Churu 1.5c
Alwar 2.2c
Pathankot 2.3c
Amritsar 2.4c
Mandla( M.P.)3.0° & Gurdaspur 3.0c
Umeria 3.3°
Bhopal: 3.3c
Delhi pusa: 3.5c
Delhi safdarjung: 4.5c (lowest ever for Dec is 0.0° in 1930)
Jabalpur: 5c
15th December Night
Cold Wave in Central India and in NW India....below normal nights
arose not from cold North Winds, but due to an upper level anti-cyclone
City Weather Outlook for next 4 days till Wednesday 28th..(14th.- 17th)
All mentioned cities will have dry weather
Date. Max. Min.
Mumbai AQI : 135
14. 32. 19
15. 32. 19
16. 31. 18
17. 31. 19
Pune. AQI 165
14.- 17 30. 13
Goa. 14- 17 ---> 33. 22
Sambhajinagar AQI 106
14 -17 --> 29. 13
Delhi NCR AQI 262
14 - 17. --> 22. 08
Bharuch & Surat
14 - 17. --> 28. 16
Weather Knowledge Blog Updated with Interesting facts on meteorology...
4th Night Posting:
Mumbai:
Vagaries followed the cyclone " Fengal", and anticipated the warming of the Mumbai nights. The mildly pleasant night's turned warm and stuffy as the cyclone pushed in clouds along the West Coast.
The Change shown here 👇( Check the Green line rising )
Mumbai will have to wait till Saturday 8th December, when the city will see the day and night temperatures falling and cooler weather will be experianced. A fall of 5c in night temperatures is expected from Sunday 8th.
Pune: Pune saw a sharper rise and stiff warming due to the clouding from the cyclone. A sharp rise of 12c was experienced in 2/3 nights. ( Rising Green Line).
Partly cloudy with light rain possible to continue in Pune till 6th Dec. 8th onwards cooler and winter nights (10c) can be expected.
Sambhajinagar: Light rains expected on 5th/6th. Colder temperatures from 8th onwards.( 10/12c)
The 8th onwards effect of cooling will be possible as a fairly active Western Disturbances is expected in North India from 8th. Active rain and snow will bring in Northly cool winds Southwards.
Strong Jet Streams at 250 kmph are prevailing over North India.
Expected 200 jet streams on 8th shows Trough over N.India.👇
Colder weather is expected from the weekend in Rajasthan and Gujarat.
Ahemdabad, Vadodara, Bharuch can drop below 15c from Sunday 8th.
Delhi NCR can get rains in some regions and which will result in a substantial fall in day and night temperatures, bring in the winter back from 8th onwards.
Showers expected in Punjab,Haryana,West U.P.
Surely, the air quality will improve to a " healthy" levels.
3rd December:
2nd December Post:
The remnants of the erstwhile cyclone Fengal now lies over Karnataka as Well Marked Low.
System will move West and emerge into the Arabian Sea on 3rd.
3rd - 4th - 5th December:👇
System will move Westwards, but cover the Kerala, Karnataka coast and Goa with clouds and precipitation of moderate rains.
Clouds will cover N.I. Karnataka and South Maharashtra. With light rains.
3rd - 4th - 5th December👇
Pune: With a cloud cover, rise in night temperature to 20/21°c. Also possibly light rains also.
Mumbai: Getting cloudy and end to the few days of the pleasant weather.
Clouds will increase night temperatures.
Monday 2nd December
The Rainfall from the system...again today !
WML...emerging in Arabian sea on 3rd..
