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Strong Storm Hits Boke

November 5, 2013

5 November 2013, 19:00 UTC: A strong thunderstorm that formed to the east of Boke was tracked by meteorologists as it strengthened into a dangerous storm just east of Boke at about 6:45 p.m. this evening.

Guinea1PR

The storm was detected to have lightning rates exceeding 40 flashes per minute by the Guinea Total Lightning Network.

Guinea4RT

The Total Lightning Detection System issued an automated Dangerous Thunderstorm Alert (DTA – Purple Polygon) for this storm for the likelihood of intense rain, frequent lightning and gusty winds. The DTA gave Boke about 20 minutes lead time before these affects hit.

Wind Gusts Exceeded 70 km/hr

Wind Gusts Exceeded 70 km/hr

Winds gusted to 71 km/hr as the storm approached with lightning flashing just to the east. When the storm rolled into the city, real-time observing instruments recorded a more that 5 degree C temperature drop in a matter of minutes.

Temperatures Dropped 5 Degrees in Minutes

Temperatures Dropped 5 Degrees in Minutes

Rain rates were intense, producing flash flooding as rain fell at a rate of more than 100 mm/hr. Over 40 mm of rain fell in less than 30 minutes.

Rain Rates Topped 100 mm/hr

Rain Rates Topped 100 mm/hr

Rainfall from the storm was also estimated to be between 35 and 50 mm - mostly falling in about 30 minutes.

Rainfall from the storm was also estimated to be between 35 and 50 mm – mostly falling in about 30 minutes.

 

One Comment
  1. lamine bah dnmeteo permalink

    les informations recues de la meteo de boke confirment que vers 19H05 MINUTES UNE TRES FORTE PLUIE S ETAIT ABATTUE SUR BOKE ACCOMPAGNEE E VENTS FORTS ET DES ECLAIRS. LA STATION METEO A MESURE 38,8 MM PENDANT UNE HEURE. IL N Y A PAS EU DES DEGATS.
    DR M LAMINE BAH DIRECTEUR METEO GUINEE
    CONAKRY
    6/11/13 A 08H45

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