Alert archive / Florida / Special Marine Warnings in 2021

Special Marine Warning 149, NWS Miami, FL

June 21, 2021

NWS Miami, FL issued this special marine warning at Jun 21, 2021, 9:03 PM EDT. It was in force for 57 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: Jun 21, 2021, 9:03 PM EDT (01:03 UTC)
Expired: Jun 21, 2021, 10:00 PM EDT
In force: 57 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 Jun 21, 8:14 PM EDT, 49 minutes earlier.

Area forecast discussion, Jun 21, 8:14 PM EDT, 49 minutes before

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Hazardous weather outlook, Jun 21, 3:40 PM EDT, 5 hours 23 minutes before

Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
340 PM EDT Mon Jun 21 2021

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
220745-
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-
340 PM EDT Mon Jun 21 2021

...STRONG THUNDERSTORMS POSSIBLE INTERIOR TODAY...
...HEAT INDEX IN TRIPLE DIGITS ACROSS SOUTH FLORIDA...

This hazardous weather outlook is for South Florida.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Thunderstorms: Scattered showers and thunderstorms are possible
today, with a focus across the interior and the Lake Okeechobee
region. Some storms could be strong to marginally severe.

Waterspouts: Waterspouts are possible across all area waters with
showers and storms today.

Wind: An isolated strong to locally damaging wind gust will be
possible with the strongest thunderstorms this afternoon.

Hail: Small hail will be possible with the strongest thunderstorms
today.

Temperatures: Heat index values are forecast to be in the triple
digits across South Florida, with values nearing 105-107 over
portions of the interior.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

Showers and thunderstorms are possible each day, with gusty winds
and localized flooding possible.

Elevated risk of rip currents is possible along the east coast
beaches later this week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information about
observed severe weather to the NWS while following all local, state,
and CDC guidelines.

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

In the hours before

Special weather statement, Jun 21, 4:15 PM EDT, 4 hours 48 minutes before

Special Weather Statement
National Weather Service Miami FL
415 PM EDT Mon Jun 21 2021

FLZ063-066-069-070-212100-
Coastal Collier County FL-Hendry FL-Inland Collier County FL-
Glades FL-
415 PM EDT Mon Jun 21 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN COLLIER...WESTERN
HENDRY AND GLADES COUNTIES UNTIL 500 PM EDT...

* At 414 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from 13 miles
  east of Southeast Arcadia to 6 miles south of Labelle to near Big
  Corkscrew Island. Movement was northeast at 10 mph.

* Small hail and winds in excess of 45 mph possible with these
  storms.

* Locations impacted include...
  Labelle, Ave Maria, Immokalee, Palmdale, Felda, Port La Belle, Big
  Corkscrew Island, Ortona, Muse, Orangetree, North Naples, Corkscrew
  Swamp Sanctuary, Bunker Hill, Quail Creek Estate, Keri and Lake
  Trafford.

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.

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms. If
you can hear thunder, you are close enough to be struck! Seek a safe
shelter inside a building or vehicle.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Miami on Facebook and
Twitter.

&&

LAT...LON 2629 8184 2632 8182 2632 8166 2642 8166
      2642 8156 2703 8156 2703 8127 2712 8127
      2712 8117 2676 8115 2631 8128
TIME...MOT...LOC 2014Z 216DEG 10KT 2714 8163 2666 8143 2636 8158

SB/HGW

Special weather statement, Jun 21, 4:57 PM EDT, 4 hours 6 minutes before

Special Weather Statement
National Weather Service Miami FL
457 PM EDT Mon Jun 21 2021

FLZ063-066-070-212145-
Hendry FL-Inland Collier County FL-Glades FL-
457 PM EDT Mon Jun 21 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN COLLIER...WESTERN
HENDRY AND GLADES COUNTIES UNTIL 545 PM EDT...

* At 456 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from 9 miles
  northwest of Venus to near Ortona to near Immokalee. Movement was
  northeast at 15 mph.

* Small hail and winds in excess of 45 mph possible with these
  storms.

* Locations impacted include...
  Labelle, Moore Haven, Lakeport, Immokalee, Palmdale, Felda, Port La
  Belle, Brighton Seminole Reservation, Ortona, Muse, Devils Garden,
  Corkscrew Swamp Sanctuary, Lake Hicpochee, Bunker Hill, Keri and
  Lake Trafford.

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.

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms. If
you can hear thunder, you are close enough to be struck! Seek a safe
shelter inside a building or vehicle.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Miami on Facebook and
Twitter.

&&

LAT...LON 2695 8099 2637 8123 2636 8166 2642 8166
      2642 8156 2703 8156 2703 8127 2712 8127
      2712 8117 2721 8117 2721 8108
TIME...MOT...LOC 2056Z 245DEG 14KT 2715 8147 2685 8128 2647 8149

SB/HGW

Special weather statement, Jun 21, 6:59 PM EDT, 2 hours 4 minutes before

Special Weather Statement
National Weather Service Miami FL
659 PM EDT Mon Jun 21 2021

FLZ063-212345-
Glades FL-
659 PM EDT Mon Jun 21 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN GLADES COUNTY UNTIL
745 PM EDT...

* At 659 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm near Brighton Seminole Reservation,
  or 10 miles north of Lakeport, moving northeast at 10 mph.

* Small hail and winds in excess of 45 mph possible with this storm.

* Locations impacted include...
  Brighton Seminole Reservation.

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.

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm. If
you can hear thunder, you are close enough to be struck! Seek a safe
shelter inside a building or vehicle.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Miami on Facebook and
Twitter.

&&

LAT...LON 2720 8094 2719 8091 2718 8091 2717 8090
      2717 8088 2702 8109 2712 8122 2712 8117
      2721 8117 2721 8094
TIME...MOT...LOC 2259Z 224DEG 9KT 2714 8111

SB/HGW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 9:05 PM EDT	Special Weather Statement	MFL	Glades	40 min
Jun 22, 1:52 PM EDT	Special Weather Statement	MFL	Martin	23 min
Jun 22, 3:00 PM EDT	Special Weather Statement	MFL	Palm Beach	45 min
Jun 22, 3:38 PM EDT	Special Weather Statement	MFL	Palm Beach	37 min
Jun 22, 5:27 PM EDT	Special Weather Statement	MFL	Glades	48 min
Jun 22, 6:09 PM EDT	Special Weather Statement	MFL	Broward	51 min
Jun 22, 7:38 PM EDT	Special Weather Statement	MFL	Palm Beach	37 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.