Alert archive / Florida / Special Marine Warnings in 2021

Special Marine Warning 97, NWS Miami, FL

May 7, 2021

NWS Miami, FL issued this special marine warning at May 7, 2021, 10:26 PM EDT. It was in force for 48 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: May 7, 2021, 10:26 PM EDT (02:26 UTC)
Expired: May 7, 2021, 11:14 PM EDT
In force: 48 min
Issued by: NWS Miami, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 40.0 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 Miami, FL wrote its last area forecast discussion before this special marine warning went out at May 7, 9:02 PM EDT, 1 hour 24 minutes earlier.

Area forecast discussion, May 7, 9:02 PM EDT, 1 hour 24 minutes before

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Hazardous weather outlook, May 7, 4:00 PM EDT, 6 hours 26 minutes before

Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
400 PM EDT Fri May 7 2021

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
080800-
Lake Okeechobee-Biscayne Bay-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-Glades-Hendry-
Inland Palm Beach-Metro Palm Beach-Coastal Collier-Inland Collier-
Inland Broward-Metro Broward-Inland Miami-Dade-Metro Miami-Dade-
Mainland Monroe-Coastal Palm Beach-Coastal Broward-Coastal Miami-
Dade-Far South Miami-Dade-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
400 PM EDT Fri May 7 2021

...Strong to Severe Thunderstorms Possible This Evening for Southeast
Florida Metro Area...

This hazardous weather outlook is for South Florida.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Thunderstorms: Scattered to numerous thunderstorms will be possible
this afternoon and evening, especially cross the east coast metro
areas. Strong to even severe thunderstorm are possible across the
metro areas of Miami-Dade, Broward, and Southern Palm Beach Counties.
The primary impacts will be lightning, gusty wind, hail, and
localized urban flooding.

Wind: Thunderstorm wind gusts up to 60 mph, especially over the east
coast metro areas of Miami-Dade, Broward, and Southern Palm Beach
Counties, are possible. Marine area may see gusts in excess of 20kts
with showers and thunderstorms.

Hail: Hail up to quarter size especially over the east coast metro
areas of Miami- Dade, Broward, and Southern Palm Beach Counties.

Flooding: Localized urban flooding will be possible across the east
coast metro region through this evening, particularly in urban and
poorly drained areas.

Tornado: There is a very low slight chance of a tornado for the east
coast metro areas in Miami Dade and Broward counties through this
evening.

Rip Currents: There is a moderate risk of rip currents along the
beaches of Collier County.

Waterspouts: Waterspouts are possible within any showers or
thunderstorm that develop over the Atlantic and Bay waters this
afternoon and evening.

Temperatures: Heat indices are forecast to be in the lower 100s over
metro and interior areas of Miami-Dade County this afternoon.

Fire Weather: There will be enhanced fire weather conditions today
due to low relative humidity across Glades and Western Hendry
Counties. However, wind critical thresholds are not expected to be
met.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

The risk of rip currents will begin to increase again this weekend
across the Atlantic Coast beaches.

Afternoon thunderstorms will be possible each afternoon next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation: Widespread spotter activation is not
anticipated, however, individual spotters are encouraged to report
high winds or flooding to the National Weather Service Forecast
Office in Miami.

For more information...visit the National Weather Service in
Miami website at www.weather.gov/miami.

In the hours before

Local storm report, May 7, 6:55 PM EDT, 3 hours 31 minutes before

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Special weather statement, May 7, 8:44 PM EDT, 1 hour 42 minutes before

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Local storm report, May 7, 9:26 PM EDT, 1 hour before

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Local storm report, May 7, 9:30 PM EDT, 56 minutes before

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Local storm report, May 7, 9:32 PM EDT, 54 minutes before

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Local storm report, May 7, 9:46 PM EDT, 40 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 8:44 PM EDT	Special Weather Statement	MFL	Miami-Dade	46 min
May 7, 9:38 PM EDT	Special Marine Warning	MFL		52 min
May 8, 11:01 AM EDT	Rip Current Statement	MFL	Broward, Miami-Dade, Palm Beach	33 hr
May 8, 12:47 PM EDT	Special Weather Statement	MFL	Miami-Dade	28 min

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.