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HOME > FEWS-NET > Africa > Africa ITCZ Monitoring

Africa Intertropical Front

Latest PDF File

For a spreadsheet of all dekadal ITF analyses thru 2005, click HERE

West Region East Region
West
ITCZ East
ITCZ

Mean vs Current Mean ITCZ

Latest Text Summary



During the period from June 21-30, 2009, the African portion of the Intertropical Front (ITF) was located near 14.5N degrees, while the normal for this time of year is 15.8N degrees, which was also the position in 2008. Figure 1 shows the current position compared to normal, and it is apparent from this diagram that the ITF continues to be significantly suppressed across most of Africa, but it does continue to move northward. The southward anomaly of the ITF in the east has shrunk over the last dekad. Comparing the current position with the 1979-2008 average, the historical average is around 13.4N in the east, and the current position is around 14.4N. In the west the ITF is less suppressed with a historical average position of 16.8N, compared to the current of 15.8N. Figures 2 and 3 show the somewhat erratic movements of the ITF so far this year.

Dekad 15W 10W 5W 0 5E 10E 15E 20E 25E 30E 35E
April 1 9.6 11.0 11.0 11.5 11.0 10.4 10.5 10.3 10.0 9.8 9.8
April 2 10.2 11.8 12.5 12.8 12.7 12.9 13.2 12.7 11.7 10.9 10.9
April 3 9.8 11.4 12.0 13.3 12.7 12.6 12.4 11.6 11.0 11.0 11.4
May 1 10.7 12.5 13.8 14.5 14.4 14.0 13.0 11.6 11.6 12.1 12.5
May 2 10.9 13.0 14.8 15.6 14.1 13.0 12.6 11.5 10.2 9.4 9.7
May 3 12.2 13.8 14.9 15.7 14.5 13.5 13.1 12.3 10.4 10.9 12.1
June 1 12.9 14.2 15.4 15.5 15.0 13.5 12.6 11.7 11.4 12.3 13.6
June 2 14.0 15.2 16.0 16.2 15.1 14.2 13.4 12.4 11.9 11.8 12.8
June 3 14.1 15.8 16.4 16.2 15.2 14.4 14.1 13.1 12.8 13.5 14.3


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