Tuesday, March 22, 2011

Thunderstorm expected in Nagpur on Thursday

Akshay Deoras
Severe Weather Forecaster

Concerning-Probability of Thunderstorm in city

With the presence of west winds at the mid level of atmosphere ( Around 18000ft from sea level ) aka 500mb region, some moisture incursion shall happen from the Arabian Sea on Thursday.
With the arrival of moisture at around 500-600mb, there will be cloud cover since afternoon as there is enough moisture aloft.

Cloud cover shall be light from afternoon hours of Wednesday

Due to a lifting mechanism ( Lift Index upto -4) the parcel of air shall be lifted adiabatically reaching a saturation level at the LCL.
LCL on Thursday is expected to be around 730mb ( Around 9000ft from ground)
This shall be the base of the cloud.

The instability shall be marginal and capable of triggering thunderstorm with day time heating.

This shall be Thursday night scenario with a thunderstorm and scanty rain

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