1. Cold still persists in Pakistan plains, with the lowest in Sibbi at -0.5c.
Islamabad dropped to 2.5c, Hyderabad was 11.5c and Karachi was 13.5c. (All on expected lines).The current temperatures in Sindh will persist for another 24 hrs, and rise by 1/2c from Tuesday.
NW and Northern Indian plains did experiance a drop in night temperatures with Sunday morning showing fall by about 2/3 c in many places.
The lowest expected by vagaries in Rajasthan was 3/4c, and Churu in Rajasthan saw the lowest at 3.9c. Vagaries had expected Delhi to touch around 8c, it was 7.8c, and Punjab as expected hovered around 6/7c.
For Northern Indian plains, the current level of minimum temperatures will sustain till Tuesday morning. With dry weather and slight rise of 1/2c in night temperatures on Wednesday.
2. On Sunday evening, BB-12, the Bay Low is located at 11N and 85E, with pressure at 1006 mb. Core winds are less than 20 knts, but outer NE winds along North TN coast likely to be 25 knts bt Monday.
System will track West, and maybe deepen to 1004 mb, before crossing North TN coast on Monday evening.
Chennai gets its expected showers from Monday thru Tuesday. Rain slips into Bangalore from Monday evening.
Around 4th/5th December, the pulse enters the Arabian Sea off Kerala. It will sustain as a low at around 1006 mb off Kerala. System will move a bit North upto South Karnatak/Kerala coast on the 5th and dissolve.
3. Forecast for Monday 3rd/Tuesday 4th/Wednesday 5th:
Mumbai City: Winds change to a "warm " N/NE from Monday. This will bring about a rise in the day temperatures , which could be around 33c on Monday and 34/35c on Tuesday. The humidity level can drop to 40%, making it slightly "comfortable" (if we can say so). Nights will be around 19c on Monday/Tuesday/Wednesday in Scruz and 21/22c at Colaba.
Outer townships too will see warmer days Monday thru Wednesday.
Pune will be around 30/31c on Mon/Tuesday/Wednesday, with the night temperature around 12c first 2 nights and rising to 14c on Wednesday morning. Slightly cloudy from Tuesday.
Monday could see some light rain (drizzles) in coastal Gangetic Bengal.
Kolkata will be partly cloudy with high clouds, but Tuesday and Wednesday will be clear. Night temperatures around 16/17c for Kolkata next 3 nights.
Kathmandu is around 3.5/4.0c as the minimum temperature. With no effective system around, the weather will remain around the 19-4 range next 3 days.