Alert archive / Florida / Special Marine Warnings in 2021

Special Marine Warning 39, NWS Tampa Bay, FL

April 11, 2021

NWS Tampa Bay, FL issued this special marine warning at Apr 11, 2021, 10:48 PM EDT. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 11, 2021, 10:48 PM EDT (02:48 UTC)
Expired: Apr 11, 2021, 11:30 PM EDT
In force: 42 min
Issued by: NWS Tampa Bay, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 34.0 mph

What forecasters said that day

The local office's own words before this special marine warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tampa Bay, FL wrote its last area forecast discussion before this special marine warning went out at Apr 11, 7:40 PM EDT, 3 hours 8 minutes earlier.

Area forecast discussion, Apr 11, 7:40 PM EDT, 3 hours 8 minutes before

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Hazardous weather outlook, Apr 11, 3:29 AM EDT, 19 hours 19 minutes before

Hazardous Weather Outlook
National Weather Service Tampa Bay Ruskin FL
329 AM EDT Sun Apr 11 2021

FLZ043-050-052-056-057-061-139-142-148-149-151-155-160-162-165-
239-242-248-249-251-255-260-262-265-111930-
Sumter-Pinellas-Polk-Hardee-Highlands-DeSoto-Coastal Levy-
Coastal Citrus-Coastal Hernando-Coastal Pasco-
Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
Coastal Charlotte-Coastal Lee-Inland Levy-Inland Citrus-
Inland Hernando-Inland Pasco-Inland Hillsborough-Inland Manatee-
Inland Sarasota-Inland Charlotte-Inland Lee-
329 AM EDT Sun Apr 11 2021

This Hazardous Weather Outlook is for West Central And Southwest
Florida.

.DAY ONE...Today and Tonight.

...THUNDERSTORM IMPACT...
Widespread thunderstorms will move southeast through west central
and southwest Florida today. Thunderstorms that develop will be
capable of producing strong gusty winds, locally heavy rains and
flooding, large hail, and isolated tornadoes or waterspouts.

...FLOOD IMPACT...
Locally heavy rainfall is expected. The heavy rain will produce
flooding of low lying and poor drainage areas as well as the
ponding of water on roadways. Motorists should exercise caution.

...MARINE IMPACTS...
Wind speeds of 20 to 25 knots will create hazardous boating
conditions for small craft operators today.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

Fleming

In the hours before

Local storm report, Apr 11, 6:25 PM EDT, 4 hours 23 minutes before

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Local storm report, Apr 11, 6:53 PM EDT, 3 hours 55 minutes before

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Local storm report, Apr 11, 6:55 PM EDT, 3 hours 53 minutes before

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The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 11, 8:14 PM EDT	Special Marine Warning	TBW		31 min
Apr 11, 9:18 PM EDT	Special Marine Warning	TBW		57 min
Apr 12, 3:52 AM EDT	Rip Current Statement	TBW	Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota	16 hr

Nearby

Special Marine Warnings in Florida, 2021 Every special marine warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.