Sea Breeze Storms Rumble in SW Guinea

  • Nov 13, 2013

12 November 2013: Late this afternoon and early evening, strong storms have been slowly tracking along a sea breeze front just inland of Conakry and along highways N4 and N3. The strongest of the storms was just north of N4 between Forecariah and Conakry this afternoon and tracked northwestward decaying and regenerating into an even stronger storm north of Conakry.

PulseRad simulated Radar shows a very strong thunderstorm north of Conakry.
PulseRad simulated Radar shows a very strong thunderstorm north of Conakry.

The Guinea Total Lightning Detection System triggered several Dangerous Thunderstorm Alerts (DTAs) to be issued along these highways as this storm drifted norhtwest.

Dangerous Thunderstorm Alerts are shown as strong storms with very frequent lightning rumbled north of Conakry around 4:30 p.m. today.
Dangerous Thunderstorm Alerts are shown as strong storms with very frequent lightning rumbled north of Conakry around 4:30 p.m. today.

Despite all the activity just 20 km inland, Conakry remained dry for the most part as stable winds off the Atlantic kept the storms just inland. An outflow wind gust from the storm did peak at 73 km/hr as the storm skirted to the northeast.

Rainfall estimates by the Guinea PulseRad system were showing rainfall totals of 15-50 mm had fallen in just over an hour in these areas.

PulseRad precipitation estimates show rainfall largely avoided Conakry although 15-50 mm of rain fell in just 60-90 minutes just 25 km away.
PulseRad precipitation estimates show rainfall largely avoided Conakry although 15-50 mm of rain fell in just 60-90 minutes just 25 km away.

Another strong storm just west of Mamou also had very heavy rainfall occur along N1 just 20 km to the west.