Thursday, December 11, 2008
PLEASE NOTE ALL MAPS ARE UPLOADED AND PLACED IN THE BEGINING ONLY DUE TO SOME TECHNICAL PROBLEMS IN UPLOADING
Dubai had been drenched last week by unusual rains and hailstorms last week as a result of the W.D.system .The system travelling thru the Emirates region,Dubai had a hailstorm which covered many regions and parts of the city with a white carpet of hail. A welcome drop in temperatures was witnessed, with the minimum going down in the region of 15c. Subsequently, the W.D. has passed, and dry weather is now forecasted with the temperatures in the range of 26-18c nthis week.
But, due to the continuous chain of sytems in the south,(the latest defiantly crossing into the Arabian Sea), most of India south of Kashmir, is devoid of any meaningful winter. The anomaly map of the first week of December shows the entire country in the "above normal" range, with a "tongue" of red piercing south in the centre.No real drop in temperatures is recorded as yet this year, and the IMD minimum temperature anomaly shows the nights as high as 7c above in some regions.Even the days are high as seen in the map.
And Mumbai...going thru an extreme heat wave and hot December conditions. The diagram above shows the Mumbai temperatures in a continuous "red" phase, and Pune, with a "fat" red blob in the last 15 days.The above normal days shown in the Pune diagram is very unusual.
What now? When do we get our winter and when will it cool down? Only after the last remnants of the southern systems vanish. As on today, a strip of clouding has again spread over the Maharashtra region, making it stuffy and hot.
One of the conditions of the onset over Kerla is depth of westerlies up to 600hpa. Presently westerlies are confined up to 850 hpa. Diso...