Monday, November 15, 2010
Very heavy thunderstiorms were reported today, especially from western Mah. As Ashish, Shiraz and Junaid report, the rains were widespread all over the region.
Yesterday, Jalgaon had very heavy rainfall of 84 mms.
I would attribute this continuing phenomena to the presently prevailing moisture inflow since the remnant low barged into saurashtra. Moisture is still hanging around due to the "sticky" UAC in the
region. (See maps).
Moisture still precipitates rains due to the Upper Troposphere Humidity, enriched by the system, and the favourable lifting index in the region is causing violent thunderstorms.(Map). This pushes the cumulus clouds to penetrate the upper atmosphere, sometimes up to 40,000 feet, and result in 2 layer lightnings within a cloud, and from cloud to ground.
On penetrating the upper atmosphere, these thunderclouds form anvils, and turn into cirrus clouds, which with the jet stream in the upper most layer of the atmosphere, move towards the west (along with the jet stream), and which is visible over the sky of Mumbai.
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