May 27, 2017 at 12:28PM

More scattered HEAVY T showers for S,central,N Odisha, Jharkhand, SW,W,central,N Bengal and into Bihar !! #iwm

— Indian Weather Man (@weatherofindia) May 27, 2017

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94B to develop into Cyclone and "delay" in Monsoon for Kerala !!

10:30am, 94B WML over central Bay is slowly consolidating and drifted NNW.

Now pressure is around 1000mb ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/vehC7.jpg 

https://d2jhuj1whasmze.cloudfront.net/photos/original/vehDk.gif 

The northern limit of SW #monsoon can be seen here in this chart ... https://d2jhuj1whasmze.cloudfront.net/photos/original/vehMZ.gif 

94B is expected to become Depression in next 36hrs and continue to move North.

GFS expects it to develop into Cyclone on 30-May ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/vehTU.jpg 

The timing of Bay Low 94B is perfect as far as #monsoon is concerned, Natural process is that the Bay LOW moving north will drag monsoon into S coast Kerala ! but, GFS is skeptical about this happening !! 

94B is expected to make landafall as a Cyclone over S Bangladesh on 30/31-May ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/vei4L.jpg 

By this time 31-May, #monsoon current at low-levels "can" make a pseudo entry/presence into S Kerala.

There'll not be good winds at 700hpa ... https://d2jhuj1whasmze.cloudfront.net/photos/original/veibR.gif 

On 31-May, the 200hpa Jet stream is expected to turn easterlies upto 12N latitude...  sign of #Monsoon ! ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/veiir.jpg 

Both ECMWF and GFS model expects a SE / central Arabian sea circulation on 2-Jun, this will make #monsoon to push into #Kerala on 2 or 3-Jun ... https://d2jhuj1whasmze.cloudfront.net/photos/normal/veiwv.jpg