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Special Marine Warning


Special Marine Warning
GMZ033-034-210830-
/O.NEW.KKEY.MA.W.0268.240721T0753Z-240721T0830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Key West FL
353 AM EDT Sun Jul 21 2024

The National Weather Service in Key West has issued a

* Special Marine Warning for...
  Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel...
  Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and
  beyond 5 fathoms...

* Until 430 AM EDT.

* At 353 AM EDT, a strong thunderstorm was located 10 nm south of S
  Tower, moving west at 10 knots.

  HAZARD...Wind gusts 34 knots or greater.

  SOURCE...National Weather Service Meteorologist.

  IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher
           waves, frequent lightning, and heavy downpours.

* The strong thunderstorm will remain over mainly open waters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare for wind gusts in excess of 34 knots, steep and fast-building
seas, frequent lightning, and blinding downpours. Stay low or go
below, and make sure all on board are wearing life jackets.

&&

LAT...LON 2492 8221 2475 8226 2476 8260 2502 8249
      2502 8244
TIME...MOT...LOC 0753Z 104DEG 9KT 2486 8232

HAIL...0.00IN
WIND...>34KTS

$$

AP


Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Key West FL
400 AM EDT Sun Jul 21 2024

FLZ076>078-211600-
/O.NEW.KKEY.HT.Y.0011.240721T1400Z-240721T2200Z/
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the Communities of Key Largo, Marathon, and Key West
400 AM EDT Sun Jul 21 2024

...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EDT
THIS EVENING...

* WHAT...Heat index values up to 111 expected.

* WHERE...Florida Keys.

* WHEN...From 10 AM this morning to 6 PM EDT this evening.

* IMPACTS...A Heat Advisory means that a period of unusually hot
  temperatures and high humidity is expected, producing heat
  index values of 108 degrees or higher. These conditions will
  cause increased risk of heat illness for people outdoors or in
  non air conditioned spaces.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible
and drink plenty of water.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. Anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency! Call 9 1 1.

&&

$$

Jacobson

URGENT - WEATHER MESSAGE
National Weather Service Miami FL
336 AM EDT Sun Jul 21 2024

FLZ063-066>075-168-172>174-212200-
/O.CON.KMFL.HT.Y.0020.000000T0000Z-240721T2200Z/
Glades-Hendry-Inland Palm Beach County-Metro Palm Beach County-
Coastal Collier County-Inland Collier County-
Inland Broward County-Metro Broward County-Inland Miami-
Dade County-Metropolitan Miami Dade-Mainland Monroe-
Coastal Palm Beach County-Coastal Broward County-
Coastal Miami Dade County-Far South Miami-Dade County-
Including the cities of Muse, Ortona, Palmdale, Lakeport,
Moore Haven, Brighton Seminole, Buckhead Ridge, Felda,
Hendry Correctional, Clewiston, Lion Country Safari Park,
Wellington, Caloosa, Royal Palm Beach, The Acreage, Belle Glade,
Boynton Beach, Delray Beach, Lake Worth, Palm Beach Gardens,
Florida Gardens, Greenacres City, Sandalfoot Cove, Bonita Shores,
East Naples, Naples, Marco Island, Marco Island Airport,
Royal Palm Hammock, North Naples, Golden Gate,
North Blocks Golde, Orange Tree, Bunker Hill, Immokalee,
Miles City, Sunniland, Miccosukee Indian Reservation, Hollywood,
Pembroke Pines, Coral Springs, Sawgrass Mills Mal, Sunrise,
Davie, Miramar, Fortymile Bend, Shark Valley Obs Tower,
Florida City, Pa-Hay Okee Overlook, Redland, Hialeah, Kendall,
Carol City, Kendale Lakes, Northwest Cape Sable, West Palm Beach,
Boca Raton, Jupiter, Riviera Beach, Fort Lauderdale,
Pompano Beach, Deerfield Beach, Miami, Mahogany Hammock,
and Royal Palm Ranger
336 AM EDT Sun Jul 21 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT TODAY...

* WHAT...Heat index values ranging between 105 and 110.

* WHERE...Portions of southeast, southern, and southwest Florida.

* WHEN...Until 6 PM EDT Today.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Miami FL
408 AM EDT Sun Jul 21 2024

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
220815-
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 County-Metro Palm Beach County-
Coastal Collier County-Inland Collier County-Inland Broward County-
Metro Broward County-Inland Miami-Dade County-
Metropolitan Miami Dade-Mainland Monroe-Coastal Palm Beach County-
Coastal Broward County-Coastal Miami Dade County-Far South Miami-
Dade County-
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-
408 AM EDT Sun Jul 21 2024

...Scattered Thunderstorms Likely This Afternoon and Evening...
...Heat Advisory in Effect: All of South Florida...
...Moderate Risk of Rip Currents Atlantic Coast Beaches...

This Hazardous Weather Outlook is for Atlantic coastal waters,
southeast Florida, southern Florida, southwest Florida and Gulf of
Mexico.

.DAY ONE...Today and tonight.

Thunderstorms: Scattered showers and thunderstorms are possible
mainly for interior areas and Southwest Florida. The strongest
storms could produce gusty winds, frequent lightning, and heavy downpours.

Heat: Heat index values are forecast to rise into the 105-110
degree range this afternoon. A Heat Advisory remains in effect
through this evening.

Rip Currents: A moderate risk for rip currents is in place along
the Atlantic Coast beaches.

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

Scattered thunderstorms will continue to be possible through
the rest of the weekend and into next week. The strongest storms
could produce gusty winds, frequent lightning, and heavy downpours.

Heat indices could continue to rise to near or in excess of
advisory thresholds into next week.

An elevated risk of rip currents is possible into early next
week along the Atlantic Coast beaches as east to southeasterly
wind flow strengthens.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report high wind, hail, and
flooding to the National Weather Service forecast office in Miami.

$$

Hazardous Weather Outlook
National Weather Service Key West FL
429 AM EDT Sat Jul 20 2024

FLZ076>078-GMZ031>035-042>044-052>055-072>075-210915-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
Bayside and Gulf side from Craig Key to west end of Seven Mile
Bridge-
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out
and beyond 5 fathoms-
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel-
Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 Fathoms-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge out 20 NM-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal out 20 NM-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge 20 to 60 NM out-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal 20 to 60 NM out-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas 20 to 60 NM out-
429 AM EDT Sat Jul 20 2024

This Hazardous Weather Outlook is for the Florida Keys and
adjacent coastal waters.

.DAY ONE...Today and tonight.

Isolated thunderstorms will be possible today and tonight. The
primary hazards will be lightning strikes and locally gusty
winds.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Scattered thunderstorms are expected from Sunday afternoon through
Monday, otherwise isolated thunderstorms will be possible through
the rest of the period. The primary hazards will be lightning
strikes and locally gusty winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$


Short Term Forecast


Short Term Forecast
National Weather Service Key West FL
319 AM EDT Sun Jul 21 2024

FLZ078-GMZ033>035-044-054-055-073>075-210830-
Monroe Lower Keys-
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and
beyond 5 fathoms-
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel-
Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal
out to 5 Fathoms-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal out 20 NM-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas
out 20 NM-
Straits of Florida from Craig Key to west end of Seven Mile Bridge
20 to 60 NM out-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal 20 to 60 NM out-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas
20 to 60 NM out-
Including the Communities of Key West
319 AM EDT Sun Jul 21 2024

.NOW...
Through 430 am, scattered showers will move westerly at near 10
knots through the distant Straits and deep Gulf waters approaching
the Dry Tortugas. This activity is capable of moderate to heavy
downpours reducing visibilities, and wind gusts of near 25 knots.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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