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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
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Mean vs Current Mean ITCZ

West Region East Region

Latest Text Summary

During the 2nd dekad of May, the ITF experienced little to no northward movement with much retreat towards eastern Africa compared to its position during early May. The western averaged (10W - 10E) latitudinal position of the ITF was approximated at 13.5 degrees North, nearly 1 degree below the climatological normal position during this time of year. The ITF was most lagged over portions of northern Nigeria and southern Niger where suppressed rainfall continues to persist. The mean eastern portion of the ITF was approximated at 11.4 degree North, and was much lower in latitude compared to both climatology and the previous dekadal position. Figure 1 shows the current position of the ITF relative to its climatological position during the second dekad of May and its previous position during the first 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 evolutions since April, 2015.

Dekad 15W 10W 5W 0 5E 10E 15E 20E 25E 30E 35E
April 1 11.0 11.6 11.4 11.1 10.4 9.8 8.8 9.3 8.1 8.8 9.6
April 2 10.5 11.5 10.6 10.6 8.7 7.1 6.2 7.1 6.5 7.4 8.8
April 3 14.0 13.9 13.3 12.1 11.0 9.4 9.2 9.4 8.8 9.7 9.8
May 1 14.0 14.3 15.2 14.9 13.9 11.1 11.2 12.3 12.6 12.7 13.4
May 2 14.7 14.0 13.3 12.3 11.9 11.4 11.2 11.5 12.8 14.7 13.9

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