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HOME > FEWS-NET > Africa > Africa ITCZ Monitoring

Africa InterTropical Front (ITF)

For historical ITF dekadal data and analyses, or for any issues with this product
Please contact: wassila.thiaw@noaa.gov


For the latest ITF .pdf file, --> Click Here



Mean vs Current Mean ITCZ


West Region East Region
West
ITCZ East
ITCZ

Latest Text Summary



From 21-31 October, the ITF retreated farther south relative to its previous position, which resulted in an overall anomalous southerly position, except along its western edge. The western (10W-10E) portion of the ITF was located approximately at 12.1N, which led the mean position by 0.7 degree. The eastern (20E-35E) portion of the ITF was approximated at 11N, which led the climatological position by 0.4 degree. Figure 1 displays the current position of the ITF relative to the long-term average position during the 3rd dekad of October and its previous position during the 2nd dekad of October. Figures 2 and 3 are time series, illustrating the latitudinal values of the western and eastern portions of the ITF, respectively, and their seasonal evolutions since the beginning of April, 2021.

Dekad 15W 10W 5W 0 5E 10E 15E 20E 25E 30E 35E
April 1 11.5 10.6 9.8 9.5 8.7 7.8 6.8 7.3 6.8 6.8 6.8
April 2 11.5 11.6 11.9 11.9 11.1 10.0 9.2 8.6 8.0 7.9 7.8
April 3 11.4 11.9 13.4 12.8 12.7 10.8 10.4 10.2 10.7 11.3 13.4
May 1 10.9 12.7 13.6 13.9 12.9 12.3 12.3 12.2 12.8 12.9 14.5
May 2 12.8 13.0 14.1 14.2 14.1 12.6 13.0 12.0 12.1 12.9 13.4
May 3 12.4 13.1 14.5 14.1 14.0 11.7 11.7 11.5 11.7 11.7 11.6
June 1 14.7 14.6 15.2 14.9 14.9 13.2 13.9 13.3 13.2 13.1 13.0
June 2 14.5 15.4 16.7 17.1 17.3 16.2 15.9 15.1 14.0 14.7 17.1
June 3 15.3 15.8 16.6 17.0 17.7 16.6 15.9 15.2 14.6 15.3 17.3
July 1 16.6 17.1 18.0 17.4 17.4 16.1 16.6 16.5 15.8 15.5 16.6
July 2 16.7 17.1 17.8 18.2 18.0 17.8 18.4 18.4 18.0 18.4 19.4
July 3 18.5 18.1 20.2 20.3 20.4 18.9 18.6 18.2 16.7 16.3 17.2
August 1 19.8 19.6 19.5 20.3 19.4 18.6 19.1 18.5 17.5 18.9 19.8
August 2 19.5 21.3 20.7 19.6 18.7 18.2 18.4 17.8 16.2 15.5 16.5
August 3 19.1 21.0 22.2 21.3 18.5 17.5 17.6 16.3 14.9 15.8 17.3
September 1 18.5 18.8 18.5 17.8 17.0 16.5 17.1 17.0 16.6 17.3 18.1
September 2 18.1 19.4 19.5 18.2 17.1 16.4 16.6 15.8 15.0 15.2 16.4
September 3 15.6 16.2 16.8 16.0 15.2 16.4 15.2 14.7 13.7 15.0 16.6
October 1 14.6 14.6 14.8 14.8 13.7 12.7 12.3 12.7 12.5 12.6 13.5
October 2 13.0 13.3 13.3 13.8 13.0 12.0 12.0 11.7 11.7 12.5 12.8
October 3 14.6 14.0 12.9 12.3 11.0 10.4 10.3 10.4 10.4 11.1 12.0


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Page last modified: February 22, 2006
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