Flood Warning for Duval, Severe Thunderstorm produces gusty winds

Flash Flood Warning for Duval until 11:30pm

A Flood Warning has been issued for central Duval County until 11:30p.m, between 2-3 inches of rain have fallen within the past hour and may produce flooding at McCoy’s Creek, Hogan’s Creek, Downtown Jacksonville, Oceanway, Riverside, Normandy, Ortega, and Tallyrand.

We saw a wind gust of 55mph at 7:49p.m. at the Jacksonville Airport, which was the highest wind gust in the month of August since Tropical storm Fay in 2008.

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We have seen 2.56″ of rainfall at the airport within one hour, which broke the daily record of rainfall for today of 1.92″, which was set in 1894. Looks like today’s one hour rainfall total will make it into the top ten occurrences of rainfall within an hour records, since the 1980s.

Within the severe thunderstorm moving eastward through Duval and Nassau counties we could see gusts of wind up to 60 mph, excessive lightning, intense rainfall, and small hail.

The rain should move offshore before midnight, leaving us damp and muggy.

Every day this week has storms in the forecast. Tuesday, like today will be stormy in the late afternoon but with a slight uptick in coverage to around 70% chance.

It will even get more humid Tuesday and Wednesday. Warm, conditions will boost the rain potential through midweek with the tendency for storms to track back to the coast and offshore by the afternoon and evening hours.

Bank on heavy rainfall making it wise to turn off irrigation this week.

No change to the heat in the low 90s with the feels like index hovering around 100-108.

Lows will be in the low-mid 70s.


About the Authors

After covering the weather from every corner of Florida and doing marine research in the Gulf, Mark Collins settled in Jacksonville to forecast weather for The First Coast.

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