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27 Sep 2006 description

Weekly Introduction

ITCZ Update:

During the period from September 11 - 20, 2006, the African portion of the ITCZ was located near 17.2 degrees north latitude when averaged from 15 degrees west to 35 degrees east longitude and over the ten day period. This compares to the normal position of around 16.8 degrees north, and a position last year near 15.7 north. The ITCZ was nearly stationary during the previous ten days, when averaged over the entire Sahel. See Figure 1 for the current, past, and mean ITCZ with ten day accumulated precipitation.

20 Sep 2006 description

Weekly Introduction:

Update of CPC Africa Regional Climate Forecasts:

Due to the recent trends in ENSO regional set surface temperature conditions, notably the sharp increase during the past two weeks, the CPC African Desk climate forecasts will be reprocessed and made available next week, instead of for the current Hazards document.

(pdf* format - 194 KB)

12 Apr 2006 description


Weekly Introduction:
Intertropical Convergence Zone Analysis (ITCZ) Re-Initiated:

On April 1 we re-initiated the program to depict the dekadal position of the ITCZ along with a comparison with its normal position at the following site: http://www.cpc.ncep.noaa.gov/products/fews/ITCZ/itcz.html. The ten-day average ITCZ position is plotted and compared with the estimated rainfall for that period and the first plot for the season will cover April 1-10.

Armyworm Update: