Figure 6. Hovmoller diagram of 700-hPa relative vorticity showing the evolution of two consecutive AEW troughs associated with the extreme rain in Linguère. The x-axis represents longitudes (degrees) and the y-axis shows the time related to the event (days). The vertical green line represents the longitude of Linguère and the horizontal green line represents the time when precipitation started.

From

Synoptic Analysis of Extreme Rainfall Event in West Africa: the Case of Linguère

Mouhammed Fall, Abdou Lahat Dieng, Saïdou Moustapha Sall, Youssouph Sane, Moussa Diakhaté

American Journal of Environmental Protection. 2020, 8(1), 1-9 doi:10.12691/env-8-1-1