Co Authors: GSB, Shreyas Dhavale, Pradeep John, Dr. Vineet Singh, Gokul

Thursday, November 25, 2021

Posted 24th Night:


BB 19 expected to bring increased rains to T.N & A.P. this weekend, 25th thru 28th. 

The weak system BB 19 is expected to move West and cross into the Arabian Sea. 

This can bring precipitation to  Konkan, Goa, Madhya Maharashtra  next week. More on this later.

Mumbai & Pune will get dry and warm weather this weekend..25th thru 28th. No chances  of getting a major shift to cooler temperatures. 

Rain expected  again next week . Will track the system and quantify  later.

Since 1970, a total of 239 cyclonic storms have formed in the Indian Seas (Bay of Bengal & Arabian Sea).  Out of this, 164 formed in Bay of Bengal and 75 over the Arabian Sea.

There are initial indicators for development of the first cyclone of this post monsoon season over Bay Of Bengal around end of November or start of December. 

A low pressure system BB -20, is expected to enter Andaman Sea from Gulf of Thailand around 29th November. This system B- 20, remains under observation for any significant development. 

Tuesday, November 23, 2021

23rd November

If no cyclone forms in next 7 days in north india ocean then for the first time after 1990 the north indian ocean will be cyclogenesis free in Oct-Nov months. 

Information study by Vagarian Vineet Kumar (IITM Researcher) 

Monday, November 22, 2021

22nd November:
Clear skies bring cold temperatures in J&K and Ladakh
Today's minimum
Drass -13c, Leh -8c, Numbra -9c, Kargil -5c. 



Mumbai: Outlook from today 22nd till Wednesday 24th November:

Light to moderate rain/Thundershowers expected in Mumbai region today. Some localized areas may get heavy shower for few minutes. 
Pune and neighborhood region to also get some rain with localized moderate intensity Thundershower today. Intensity reducing from tomorrow.

Rain intensity reducing over most of western Maharashtra from tomorrow. 

Dry weather from Thursday 25th onwards.

Sunday, November 21, 2021

 Thunder Showers covering Mumbai... @9.20 pm image


Posted Sunday 21st November

Goa Special  .... 

Massive Rains in Goa

This has become the wettest November ever for Panjim... With 9 days remaining. 
November ☔ rains till today total 223mms.Record was 212 mms in 1922.

Panji Goa received November Record Rains for 24hr period. 121 mms on 21st ,against old record of 109 mms in a day on 6th November 1922.



Cumulative rains forecasted for Goa ( Vagaries) was 75 mms ( 15th-19th) 

Saturday, November 20, 2021

 Posted Saturday Evening

As explained, BB 18 ( interior system) will fizzle out. 



In cms

Unusually Heavy rains in Udaipur.. As on 20th Morning


Friday, November 19, 2021

Some South Gujarat towns got good rainfall on Friday 18th specially between 4pm & 6pm..Valsad drenched 83 mn, Surat 40 mms.. Rains☔. ..2 Systems Managed the forecast of 14th ( vagaries). 


Posted Friday Afternoon:

Heavy Showers lash Bangaluru as BB-18 moves inland.

Bangaluru  A.P. 91 mms, City 74 mms as on Friday morning 24 hrs.

BB-18 is expected to fizzle out into an UAC  in the Interior Karnatak Region..


But, rains continue this weekend in the Interior Karnataka and southern Madhya Maharashtra and South Konkan.

Outlook for this weekend: 19th/20th/21st.

  • Goa: Light rains recorded on 18th. Moderate  type of thundershowers will continue till Monday 22nd.
  • South Konkan & South Madhya Maharashtra:  Moderate  type of thundershowers will continue till Monday 22nd.
  • Mumbai: Warm and humid conditions this weekend. Light to medium rains likely to continue in parts of Mumbai this weekend.
  • Pune: Moderate thundershowers likely in parts of Pune . Weather conditions will be warm and above normal winter temperatures.
  • Aurangabad: Some light showers on Sunday 21st.
Gujarat rains yesterday

FINAL MONSOON REPORT 2026

X-axis represents years with monsoon rainfall, lowest of 697.4mm in 1972 (extreme left) to the highest of 1124.2 mm in 1917 (extreme right)....