Tuesday, September 27, 2011
The other parameters are slipping ! The anti monsoon, withdrawal parameters are moving Southwards. Today,Tuesday, on observing the OLR map, we find the "browns" creeping towards Maharashtra, and the UTH also shows a reduced humidity (blue)ribbon sweeping across Mah. and totally covering the areas north of the state. 200 mb jet streams are westerly above the 25N line.
According to vagaries, SWM is done with (in addition to regions given previously) from North Gujarat, Rajasthan, North and Central M.P, and East U.P.
Next would be all of Gujarat, North Mah, Utterakhand, rest U.P, and M.P. Besides, Eastern and Central Nepal would see withdrawal in the next 2 days.
And the ridge ? Has it moved away northwards again? On the contrary ! A high pressure area has established itself right over the state of Mah. at sea level. Even at 850 mb, it is seen over the Western Mah.region. So,a high pressure is seen from sea level (1012 mb) to the upper atmosphere over western India.
It seems, that the withdrawal signs and criterea are "catching up" fast on Maharashtra.
Too fast for a last shower in Mumbai ??
Can the hills of Matheran, Mahableshwar and Lonavala still see a farewell thundershower ? Yes, its possible.
One can never say with the weather !
There are around 500 number of Rain Gauge stations available in Tamil Nadu which are maintained by WRO, TNEB and mostly by Revenue Departm...