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HOME > FEWS-NET > Africa > Africa ITCZ Monitoring

Africa Intertropical Front

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


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

Mean vs Current Mean ITCZ


West Region East Region
West
ITCZ East
ITCZ

Latest Text Summary



From August 1-10, the ITF moved farther north, with a significant surge across the central portions of West Africa. The mean western (10W-10E) portion of the ITF was located near 20.9N, which was anomalously north of the climatological position by 1.6 degrees. This resulted in moderate to heavy and above-average rain over areas of Mali, Burkina Faso, and Niger. The mean eastern (20E-35E) portion of the ITF was approximated at 18.3N, which also was to the north of the average position by 1.1 degree. This resulted in light to moderate and above-average rain in central and eastern Sudan. Figure 1 shows the current position of the ITF relative to its climatological position during the 1st dekad of August and its previous position during the 3rd dekad of July. Figures 2 and 3 are time series, illustrating the mean latitudinal values of the western and eastern portion of the ITF, respectively, and their evolutions since April, 2017.

Dekad 15W 10W 5W 0 5E 10E 15E 20E 25E 30E 35E
April 1 12.4 12.0 12.8 12.9 10.8 9.9 10.1 9.8 9.4 8.8 8.3
April 2 11.6 10.3 10.1 10.3 10.1 9.4 10.1 9.6 10.0 9.8 10.1
April 3 11.1 12.6 14.2 14.3 14.1 10.7 11.3 10.8 10.0 10.4 10.5
May 1 12.6 13.6 14.7 14.9 14.9 12.7 13.4 10.9 10.0 10.5 10.4
May 2 14.4 14.6 16.5 17.5 15.8 14.4 13.8 12.7 12.4 13.0 15.5
May 3 14.6 15.2 16.1 16.9 15.7 14.0 14.4 13.3 12.1 12.5 13.9
June 1 14.5 14.6 17.2 18.8 18.0 17.2 16.7 14.6 14.8 14.8 15.8
June 2 15.9 16.7 17.9 19.6 17.7 16.9 17.5 15.5 14.2 14.7 15.7
June 3 18.8 18.9 19.6 19.1 17.2 16.0 16.2 14.5 13.1 14.2 15.2
July 1 17.1 19.2 19.4 20.2 18.9 18.2 18.7 17.3 15.2 15.0 16.7
July 2 18.7 20.9 22.3 21.5 19.6 18.8 19.3 17.8 15.9 15.9 16.3
July 3 17.5 19.8 22.0 21.7 18.5 17.6 17.7 17.1 15.0 15.2 16.5
August 1 18.2 19.7 20.6 22.6 22.0 19.4 19.6 18.8 17.8 17.7 18.9


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Page last modified: February 22, 2006
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