Spatial Patterns of Weekly Rainfall Anomalies (%)
These charts are based on the weekly mean rainfall anomalies (percentage departures from the long-term mean for the corresponding week) for 36 meteorological subdivisions of India, computed from real-time reports and published in the Weekly Weather Reports issued by the India Meteorological Department. Spatial patterns for the month of May are displayed to give the idea of Monsoon Onset. Each row of the panels corresponds to the week ending the date indicated. In each row, the three panels indicate, from left to right, the mean daily rainfall in the week, the corresponding normal for the week and the percent departure.
Rainfall for the May 26-Jun 01, June 02-08, June 09-15
Rainfall for the June 16-22, June 23-29
Rainfall for the July 07-13, July 14-20, July 21-27
Rainfall for the July 28-August 03, August 04-10, August 11-17
Rainfall for the August 18-24, August
25-31, September 01-07
Rainfall for the Sept 08-14, Sept
15-21, Sept 22-28
Charts prepared
by J.V.
Revadekar
Monsoon On Line :
Last updated : September 30, 2011