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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 June 11-20, the ITF exhibited a slight northward advancement in far western Africa, and a significant advancement in the eastern hemisphere during the middle of June. The mean western (10W-10E) portion of the ITF was approximated at 16.3N, rising slightly above the climatological normal position by 0.1 degree. The mean eastern (20E - 35E) portion of the ITF was approximated at 16.0N, significantly well above the climatological mean position (13.9N) by a remarkable 2.1 degrees. This latest eastern ITF portion anomaly is the highest on record for mid-June going back to the start of the ITF record in 1989, breaking the former mid-June record held in 1995 (15.1N) by nearly an entire degree. Figure 1 shows the current position of the ITF relative to the mean climatological (black) position during the 2nd dekad of June and its previous (yellow) position during the 1st dekad of June. 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 evolution 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
May 3 12.5 13.9 15.7 16.5 15.6 14.5 14.2 14.1 13.5 14.4 16.3
June 1 15.0 15.2 15.7 16.3 16.1 14.4 13.5 13.5 12.6 12.6 14.3
June 2 15.3 15.2 15.9 16.9 17.0 16.5 16.6 16.6 15.1 15.5 16.7


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Page last modified: February 22, 2006
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