This bulletin provides static maps showing the variation of accumulated rainfall and anomaly during the period 20 to 26 September and forecast rainfall and anomaly during 27 September to 03 October in Chari and Logone river basin.

Flood alert system within Flood Finder is operational (partially), based on the observed water level data. Hydrological forecasting is calibrated and operational at ‘Bongor’ and ‘Lai’, other locations i.e. N’DJamena, Moundou and Sarh are still in calibration.

Based on the flood warning, rapid mapping team @ UNOSAT has programmed and acquired RADARSAT-2 satellite SAR image on 25 September near Lai and flood inundation was mapped and exposure of population, agriculture and road network was assessed and presented in this bulletin.

As observed from the forecasted water levels, Flood Alert at Bongor and Lai is ‘Flood Warning Keeping in view of the increasing water levels forecast at Bongor and Lai, we are closely monitoring the situation for any escalation in the flood extent during the coming week also, if necessary.



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