SW Monsoon 2010 Retreating over Nagpur today.

The 2010 SW Monsoon after a half  month delay is finally retreating! The 850mb winds which are generally referred as Monsoon winds are backing up due to the presence of anticyclone over Central India

The monsoon winds and monsoon moisture over Central India will now decrease in the coming days. AS a result of it, the RH(relative humidity over Nagpur) which currently is above 60% which is defined as Moist air will decrease to 30% which means dry air.

AS a result of this afternoon time in Nagpur will be very uncomfortable as dry air holds up. Winter 2010 in Nagpur has already initiated IN VERY VERY SMALL SCALE. The full swing winters will initiate by 20th Oct 2010 or late after the monsoon retreats completely over Central India. 

This years winter are expected to be cooler than normal(in slight scale) given the La Nina in active phase. 

2010 Monsoon statistics in Nagpur( AS RECORDED FROM METD WEATHER HQ)

Month        Total rains(mm)     Normal rains(mm)          % normal 

June 2010-     NA                         172                             NA

July 2010-      279                       351.5                            79.49

  

August    -     573                        278                            106.12 (100+106.12=206.12)

Sept      -       287                       180.5                           159%

(TOTAL 2010 RAINS CAN'T BE DETERMINED SINCE JUNE 2010 DATA IS NOT AVAILABLE)

No. of days of rain in Nagpur( AS RECORDED BY METD WEATHER)

June - NA

July - 14

August-19

Sept- 8

There had been 6-8 Low pressures in Bay of Bengal this year. 

Considering all, this year's season is MORE than normal rainfall season

ATTACHMENT- The 850mb map of India