First Warning Forecast: Strong storms possible this afternoon and evening

Posted at 1:23 PM, Aug 21, 2016
and last updated 2016-08-21 13:23:05-04

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The First Warning Storm Team is tracking rain and storms this afternoon and evening.

A cold front will cross the region late today into tonight. The biggest threat will be gusty winds in excess of 60 mph. Highs will be in the upper 80s to lower 90s.

Monday will be drier with a lingering shower in the morning, with drier conditions as the day progresses.

High pressure will build in Monday through Wednesday giving way to mostly dry conditions and comfortable humidity and temperatures.

Sunday: Dry to start the day with increasing chances for showers and storms in the afternoon (40%). Strong storms are possible. Biggest threat will be strong wind gusts up to 60 mph. Highs in the upper 80s to near 90. Winds: SW 5-10 mph.

Sunday night: Showers and storms (40%). Mainly before midnight. Some clearing to follow. Lows in the low to mid 70s. Winds:  SW 5-10 mph.

Monday: A bit cooler and more comfortable. Mostly sunny with highs in the mid 80s. A bit breezy. Winds: N 10 -15 mph.

Weather & Health 

Pollen: Moderate-High (Ragweed, Grasses)

UV Index: 10 (Very High)

Air Quality: Good (Code Green)

Mosquitoes: Extreme

Tropical Update

Tropical Storm Fiona continues moving northwest over the open central Atlantic. Fiona is moving NW at 16 mph. A west-northwestward motion at a similar forward speed is expected during the next couple of days.

11:00 AM AST Sun Aug 21
Location: 22.9°N 53.3°W
Moving: NW at 16  mph
Min pressure: 1007 mb
Max sustained: 40 mph

We are also watching a tropical wave located near the coast of western Africa. The system continues to produce a large area of cloudiness and thunderstorms. The tropical wave is expected to move offshore tonight and environmental conditions appear conducive for gradual development. This system is likely to become a tropical depression by mid-week. It moves west-northwestward over the eastern tropical Atlantic Ocean.

* Formation chance through 48 hours: Low (10%)

* Formation chance through 5 days: Medium (60%)

We also are keeping an eye on another tropical wave that is moving off the coast of Senegal in western Africa. Environmetal conditions appear conducive for gradual development, and a tropical depression is likely to form in a few days while the system moves westward and then northwestward over the Atlantic.

* Formation chance through 48 hours: Low (30%)

* Formation chance through 5 days: High (70%)

April Loveland
First Warning Meteorologist
WTKR-TV News 3
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