Alert archive / Florida / Special Marine Warnings in 2021

Special Marine Warning 438, NWS Miami, FL

September 1, 2021

NWS Miami, FL issued this special marine warning at Sep 1, 2021, 8:52 PM EDT. It was in force for 23 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: Sep 1, 2021, 8:52 PM EDT (00:52 UTC)
Expired: Sep 1, 2021, 9:15 PM EDT
In force: 23 min
Issued by: NWS Miami, FL
Area: Storm-based polygon
Hail: 0.0 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 Miami, FL wrote its last area forecast discussion before this special marine warning went out at Sep 1, 7:28 PM EDT, 1 hour 24 minutes earlier.

Area forecast discussion, Sep 1, 7:28 PM EDT, 1 hour 24 minutes before

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Hazardous weather outlook, Sep 1, 4:20 PM EDT, 4 hours 32 minutes before

Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
420 PM EDT Wed Sep 1 2021

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
020830-
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-
420 PM EDT Wed Sep 1 2021

...A Few Strong Storms Possible East Coast Today...

This hazardous weather outlook is for South Florida.

.DAY ONE...TONIGHT

Thunderstorms: Isolated to scattered thunderstorms are possible with
the best coverage over the eastern areas this afternoon into early
this evening. Some strong storms are also possible with even an
isolated severe storm over the eastern areas.

Wind: The strongest thunderstorms could contain wind gusts in excess
of 45 mph.

Hail: The strongest thunderstorms could contain small hail up to dime
size.

Flooding: Localized flooding possible over the east coast metro
areas.

Waterspouts: Waterspouts will be possible with the showers and
thunderstorms over the local South Florida waters.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Scattered showers and thunderstorms will continue through the rest
of the forecast period, with locally gusty winds, frequent
lightning, and heavy rainfall possible.

.SPOTTER INFORMATION STATEMENT...

Widespread spotter activation is not anticipated, however individual
spotters are encouraged to report high wind, hail and 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

Special weather statement, Sep 1, 5:07 PM EDT, 3 hours 45 minutes before

Special Weather Statement
National Weather Service Miami FL
507 PM EDT Wed Sep 1 2021

FLZ067-071-012130-
Inland Broward County FL-Inland Palm Beach County FL-
507 PM EDT Wed Sep 1 2021

...A strong thunderstorm will impact portions of north central
Broward and south central Palm Beach Counties through 530 PM EDT...

At 506 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm 8 miles north of Intersection I-75 And U.S. 27,
or 13 miles west of Coral Springs, moving east at 15 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Loxahatchee NWR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2620 8060 2633 8063 2639 8030 2619 8030
TIME...MOT...LOC 2106Z 263DEG 15KT 2627 8048

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

SB

Special weather statement, Sep 1, 5:35 PM EDT, 3 hours 17 minutes before

Special Weather Statement
National Weather Service Miami FL
535 PM EDT Wed Sep 1 2021

FLZ072-172-012200-
Coastal Broward County FL-Metro Broward County FL-
535 PM EDT Wed Sep 1 2021

...A strong thunderstorm will impact portions of central Broward
County through 600 PM EDT...

At 535 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm over Oakland Park, or over Fort Lauderdale,
moving east at 15 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Fort Lauderdale, Pompano Beach, Tamarac, Margate, Lighthouse Point,
Lauderdale-By-The-Sea, Lauderhill, Coconut Creek, Oakland Park, North
Lauderdale, Lauderdale Lakes, Wilton Manors, Hillsboro Beach, Sea
Ranch Lakes, Lazy Lake, St. George, Village Park, Downtown Fort
Lauderdale, Franklin Park and Twin Lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

&&

LAT...LON 2611 8020 2623 8021 2634 7993 2613 7990
TIME...MOT...LOC 2135Z 265DEG 14KT 2618 8015

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

SB

Special weather statement, Sep 1, 5:36 PM EDT, 3 hours 16 minutes before

Special Weather Statement
National Weather Service Miami FL
536 PM EDT Wed Sep 1 2021

FLZ073-074-173-012200-
Metropolitan Miami Dade FL-Inland Miami-Dade County FL-
Coastal Miami Dade County FL-
536 PM EDT Wed Sep 1 2021

...A strong thunderstorm will impact portions of central Miami-Dade
County through 600 PM EDT...

At 536 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm over Pinecrest, or over Kendall, moving east at
10 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Miami, Coral Gables, Key Biscayne, South Miami, Virginia Key,
Kendall, Pinecrest, West Miami, Glenvar Heights, Richmond Heights,
Palmetto Bay, Port Of Miami, University Of Miami, West Perrine,
Downtown Miami, Coconut Grove, Coral Terrace, Olympia Heights, Sunset
and Marlins Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

&&

LAT...LON 2560 8037 2570 8040 2584 8019 2562 8011
TIME...MOT...LOC 2136Z 248DEG 7KT 2568 8032

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

SB

Special weather statement, Sep 1, 6:00 PM EDT, 2 hours 52 minutes before

Special Weather Statement
National Weather Service Miami FL
600 PM EDT Wed Sep 1 2021

FLZ068-072-168-172-012230-
Coastal Broward County FL-Coastal Palm Beach County FL-
Metro Broward County FL-Metro Palm Beach County FL-
600 PM EDT Wed Sep 1 2021

...A strong thunderstorm will impact portions of northern Broward and
southeastern Palm Beach Counties through 630 PM EDT...

At 600 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm over Hillsboro Beach, or over Lighthouse Point,
moving east at 10 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Pompano Beach, Boca Raton, Deerfield Beach, Delray Beach, Lighthouse
Point, Highland Beach, Coconut Creek, Hillsboro Beach, Boca Pointe,
Boca Del Mar, Hamptons At Boca Raton, Fau South Campus, North Pompano
Beach, Pompano Beach Airport, Sandalfoot Cove and Hillsboro Ranches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2624 8015 2636 8019 2649 7998 2629 7991
TIME...MOT...LOC 2200Z 250DEG 8KT 2631 8009

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

SB

Local storm report, Sep 1, 6:23 PM EDT, 2 hours 29 minutes before

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Special weather statement, Sep 1, 6:53 PM EDT, 1 hour 59 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
Sep 1, 8:25 PM EDT	Special Marine Warning	MFL		35 min
Sep 1, 9:13 PM EDT	Special Weather Statement	MFL	Collier	47 min
Sep 2, 9:47 AM EDT	Special Marine Warning	MFL		43 min
Sep 2, 9:54 AM EDT	Special Weather Statement	MFL	Collier	51 min
Sep 2, 12:24 PM EDT	Special Weather Statement	MFL	Collier, Hendry	36 min
Sep 2, 12:39 PM EDT	Severe Thunderstorm Warning	MFL	Collier	36 min
Sep 2, 1:01 PM EDT	Special Weather Statement	MFL	Broward	29 min
Sep 2, 1:32 PM EDT	Special Weather Statement	MFL	Broward, Palm Beach	28 min
Sep 2, 1:57 PM EDT	Special Weather Statement	MFL	Palm Beach	33 min
Sep 2, 2:07 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	3 hr
Sep 2, 2:21 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	2 hr
Sep 2, 2:23 PM EDT	Special Marine Warning	MFL		52 min
Sep 2, 2:27 PM EDT	Special Marine Warning	MFL		33 min
Sep 2, 2:29 PM EDT	Special Weather Statement	MFL	Miami-Dade	46 min
Sep 2, 2:44 PM EDT	Flash Flood Warning	MFL	Miami-Dade	5 hr
Sep 2, 2:44 PM EDT	Special Weather Statement	MFL	Collier	46 min
Sep 2, 2:49 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	95 min
Sep 2, 2:53 PM EDT	Special Marine Warning	MFL		67 min
Sep 2, 2:56 PM EDT	Special Weather Statement	MFL	Miami-Dade	64 min
Sep 2, 3:08 PM EDT	Special Marine Warning	MFL		52 min
Sep 2, 3:16 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	3 hr
Sep 2, 4:15 PM EDT	Special Marine Warning	MFL		45 min
Sep 2, 4:23 PM EDT	Special Weather Statement	MFL	Monroe	37 min
Sep 2, 4:43 PM EDT	Special Marine Warning	MFL		47 min
Sep 2, 5:01 PM EDT	Special Weather Statement	MFL	Miami-Dade	29 min
Sep 2, 5:43 PM EDT	Special Weather Statement	MFL	Miami-Dade	47 min
Sep 2, 6:02 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	118 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.