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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 May 11-20, the ITF advanced farther north across Africa. The mean western (10W-10E) portion of the ITF moved slightly north and was centered over 14.6 degrees N, which was, therefore, located to the north of the climatological average by 0.1 degree. This may have favored above-average rainfall over the central portions of the Gulf of Guinea and parts of the Sahel. The mean eastern (20E-35E) portion of the ITF propagated substantially to the north and was approximated at 13.2 degrees N, which to the north of the mean position by 1.1 degrees. This may be responsible for the observed above-average rainfall over southern Sudan and western South Sudan during the period. Figure 1 shows the current position of the ITF relative to the long-term average position during the 2nd dekad of May and its previous position during the 1st dekad of May. 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 April, 2019.

Dekad 15W 10W 5W 0 5E 10E 15E 20E 25E 30E 35E
April 1 11.1 11.1 10.7 11.2 11.4 10.2 8.9 8.9 8.9 8.9 8.6
April 2 9.0 9.0 12.0 12.0 11.0 10.0 10.0 10.0 10.0 10.0 9.0
April 3 12.5 11.5 13.1 13.7 13.0 11.2 10.3 10.3 9.3 9.5 10.3
May 1 12.7 12.4 13.5 14.1 15.2 14.3 13.3 12.6 11.7 11.7 11.9
May 2 13.8 12.8 14.6 15.1 15.6 14.7 14.2 13.9 13.4 12.8 12.7


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Page last modified: February 22, 2006
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