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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: nicholas.novella@noaa.gov or 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 experienced a northward advancement across West Africa, while it retreated slightly to the south across its eastern counterpart. The mean western (10W-10E) portion of the ITF was located at 14.3N and was to the south of both the mean (14.5N) position and last year (15.8N) location during this time of the year. The mean eastern (20E-35E) portion of the ITF was approximated at 11.6N, which also trailed both the long-term average (12.1N) and previous year (13.4N) positions. Figure 1 shows the current position of the ITF relative to the mean climatological 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 mean latitudinal values of the western and eastern portion of the ITF, respectively, and their seasonal evolutions compared to climatology since April, 2018.

Dekad 15W 10W 5W 0 5E 10E 15E 20E 25E 30E 35E
April 1 12.0 12.4 12.4 12.3 11.3 9.6 9.7 9.4 9.0 9.2 9.0
April 2 10.9 10.5 11.2 12.1 12.0 11.5 10.1 9.7 8.6 8.7 8.7
April 3 11.6 11.5 12.8 12.8 13.4 11.9 11.1 10.1 9.4 9.7 10.5
May 1 8.2 10.9 12.2 13.0 13.6 13.7 13.6 12.1 11.4 12.4 14.2
May 2 11.2 13.2 14.0 14.8 15.3 14.0 12.7 11.4 11.0 11.7 12.2


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Page last modified: February 22, 2006
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