Saturday, September 24, 2011

2011 south west monsoon has started withdrawing


Withdrawal of SW Monsoon

a)           Withdrawal from extreme north-western parts of the country is not attempted before 1st September.

b)           After 1st  September:

The following major synoptic features are considered for the first withdrawal from the western parts of NW India.

i)        Cessation of rainfall activity over the area for continuous 5 days.
ii)       Establishment of anticyclone in the lower troposphere (850 hPa and below)
iii)      Considerable reduction in moisture content as inferred from satellite water vapour imageries and tephigrams.

23-Sep-2011
Yesterday  the  southwest  monsoon  had  withdrawn  from some  parts  of  Punjab,
Haryana, Rajasthan, Gujarat and north Arabian Sea.The withdrawal line passes through
Amritsar,   Hissar,   Ajmer,   Deesa,   Porbandar,   Lat.21.0°N/Long.65.0°E   and
Lat.21.0°N/60.0°E.


Friday, September 23, 2011

4:30pm, Yesterday's Low pressure system is still active over E.central India.. http://ow.ly/i/hQyA
COLA models still suggest that the present circulation over E.central India will persist till 29-Sep in that same zone. http://ow.ly/i/hQyi
IMD model still predicts a circulation over Central Bay on 28-Sep..and moving towards Chennai, S.Andhra coast ?? http://ow.ly/i/hQvA
Chennai - Now 3:11pm having good Sea breeze but conditions are NOT suitable for Cloud formation, So NO rain expected.
chennai - a clear and HOT day, max was 36.4 C (12:58pm).
Scientists Probe Indian Ocean for Clues to Worldwide Weather Patterns... http://ow.ly/6CBBt
Invitation to International Climate Change Conference, Mumbai, 14th Oct ... http://ow.ly/6CBAv
RT @aravindh_mohan: @weatherofindia Bangalore starts with a sunny day :) (7:32am)
RT @rajugana: @weatherofindia Baroda 11.50am, Mainly dry weather, It is sunny and hot. However, cloud formations in SW.