Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Miami, FL

June 29, 2021Collier County, Florida

NWS Miami, FL issued this special weather statement at Jun 29, 2021, 1:51 PM EDT for Collier County, Florida. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 29, 2021, 1:51 PM EDT (17:51 UTC)
Expired
Jun 29, 2021, 2:30 PM EDT
In force
39 min
Issued by
NWS Miami, FL

County Collier County, FL

The radar

The Miami radar (KAMX), 137 km from the middle of the area, began a volume at 17:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 5.9 hours before the alert went out and 143 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Miami, FL at 12:00Z on 2021-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2519 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2021-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2519 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
-24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 weather statement went out at Jun 29, 1:35 PM EDT, 16 minutes earlier.

Area forecast discussion, Jun 29, 1:35 PM EDT, 16 minutes before
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Jun 29, 10:18 AM EDT, 3 hours 33 minutes before
Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
1018 AM EDT Tue Jun 29 2021

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
300230-
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-
1018 AM EDT Tue Jun 29 2021

...NUMEROUS SHOWERS AND THUNDERSTORMS POSSIBLE...
...HIGH RISK OF RIP CURRENTS PALM BEACHES...

This hazardous weather outlook is for South Florida.

.DAY ONE...TODAY AND TONIGHT

Rip currents: There is a high risk of rip currents along the beaches
of Palm Beach county. There is also a moderate risk of rip currents
along the beaches of Broward and Miami-Dade counties.

Thunderstorms: Scattered to locally numerous thunderstorms are
likely today primarily across interior and southwest coast this
afternoon and evening with isolated to scattered thunderstorms also
possible along east coast primarily during the morning and
overnight hours. Main concerns are occasional to frequent lightning
strikes, gusty winds, small hail, and locally heavy rainfall
particularly with interior and west coast storms in the afternoon and
evening.

Waterspouts: Waterspouts will be possible with showers and storms
over the local waters today.

Wind: Strong wind gusts are possible along the Gulf coast and
interior with strongest storms this afternoon and evening.

Hail: Small hail is possible along the Gulf coast and interior with
strongest storms this afternoon and evening.

Flooding: Localized flooding is possible with the heaviest showers
and thunderstorms today.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

The elevated risk of rip currents will continue through mid week
across portions of the Atlantic coast before gradually subsiding by
late week.

Rain Chances will remain above normal for much of this week with
occasional lightning strikes, gusty winds, and localized flooding
possible. The chances of thunderstorms remain elevated at this time
for the upcoming holiday weekend.

.SPOTTER INFORMATION STATEMENT...

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, Jun 29, 12:46 PM EDT, 1 hour 5 minutes before
Special Weather Statement
National Weather Service Miami FL
1246 PM EDT Tue Jun 29 2021

FLZ066-067-070-291730-
Hendry FL-Inland Collier County FL-Inland Palm Beach County FL-
1246 PM EDT Tue Jun 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN COLLIER AND SOUTHERN
HENDRY COUNTIES UNTIL 130 PM EDT...

* At 1246 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm 9 miles northeast of Hendry
  Correctional, or 17 miles south of Montura, moving northwest at 10
  mph.

* Winds in excess of 45 mph possible with this storm.

* Locations impacted include...
  Immokalee, Ave Maria, Hendry Correctional, Felda, Keri, Bunker Hill
  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.

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 2646 8088 2621 8106 2631 8134 2643 8156
      2663 8136
TIME...MOT...LOC 1646Z 115DEG 10KT 2639 8110

KELLY
Special weather statement, Jun 29, 12:48 PM EDT, 1 hour 3 minutes before
Special Weather Statement
National Weather Service Miami FL
1248 PM EDT Tue Jun 29 2021

FLZ069-070-291715-
Coastal Collier County FL-Inland Collier County FL-
1248 PM EDT Tue Jun 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN COLLIER COUNTY UNTIL
115 PM EDT...

* At 1248 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm over Vineyards, or near Naples,
  moving northwest at 25 mph.

* Winds in excess of 45 mph and funnel clouds possible with this
  storm.

* Locations impacted include...
  Naples, Ave Maria, Golden Gate Estates, Naples Park, Orangetree,
  Naples Manor, Golden Gate, East Naples, Lely Resort, Big Corkscrew
  Island, West Toll Gate On Alligator Alley, Vineyards, North Naples,
  Pelican Bay, Corkscrew Swamp Sanctuary, Lely and Quail Creek
  Estate.

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.

This activity was also developing in an environment favorable for the
formation of funnel clouds. Stay tuned to NOAA weather radio and
local media for additional updates and possible warnings.

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 2633 8184 2633 8182 2632 8182 2632 8166
      2642 8166 2642 8157 2643 8156 2635 8141
      2607 8171 2612 8184
TIME...MOT...LOC 1648Z 116DEG 20KT 2620 8175

KELLY
Special weather statement, Jun 29, 12:53 PM EDT, 58 minutes before
Special Weather Statement
National Weather Service Miami FL
1253 PM EDT Tue Jun 29 2021

FLZ066-067-070-071-291745-
Inland Broward County FL-Hendry FL-Inland Collier County FL-
Inland Palm Beach County FL-
1253 PM EDT Tue Jun 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BROWARD COUNTY UNTIL 145
PM EDT...

* At 1253 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm near Intersection Alligator Alley
  And Miami Canal, or 20 miles west of Sunrise, moving northwest at
  10 mph.

* Winds in excess of 45 mph possible with this storm.

* Locations impacted include...
  Intersection Alligator Alley And Miami Canal, Miccosukee Service
  Plaza and West Broward Rec. Area On Alligator Alley.

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.

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 2625 8048 2608 8064 2621 8096 2638 8081
TIME...MOT...LOC 1653Z 117DEG 10KT 2621 8062

KELLY
Special weather statement, Jun 29, 1:29 PM EDT, 22 minutes before
Special Weather Statement
National Weather Service Miami FL
129 PM EDT Tue Jun 29 2021

FLZ066-067-070-071-073-291815-
Inland Broward County FL-Hendry FL-Inland Collier County FL-
Inland Palm Beach County FL-Inland Miami-Dade County FL-
129 PM EDT Tue Jun 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL COLLIER...SOUTHERN HENDRY
AND BROWARD COUNTIES UNTIL 215 PM EDT...

* At 128 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm near Hendry Correctional, or 17
  miles east of Ave Maria, moving west at 25 mph.

* Wind gusts up to 50 mph and funnel clouds possible with this storm.

* Locations impacted include...
  Ave Maria, Immokalee, Golden Gate Estates, Hendry Correctional, Big
  Cypress Seminole Reservation, Miccosukee Indian Reservation,
  Miccosukee Service Plaza, Big Cypress National Preserve, Miles
  City, Sunniland, Bunker Hill and Intersection I-75 And Everglades
  Blvd.

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.

This activity was also developing in an environment favorable for the
formation of funnel clouds. Stay tuned to NOAA weather radio and
local media for additional updates and possible warnings.

&&

LAT...LON 2635 8079 2593 8083 2615 8158 2652 8144
TIME...MOT...LOC 1728Z 101DEG 21KT 2628 8116

RF
Special weather statement, Jun 29, 1:51 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Miami FL
151 PM EDT Tue Jun 29 2021

FLZ069-070-291830-
Coastal Collier County FL-Inland Collier County FL-
151 PM EDT Tue Jun 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN COLLIER COUNTY UNTIL
230 PM EDT...

* At 150 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm over Belle Meade, or near Marco
  Island, moving northwest at 15 mph.

* Winds in excess of 45 mph and funnel clouds possible with this
  storm.

* Locations impacted include...
  Naples, Marco Island, Golden Gate Estates, Belle Meade, Golden
  Gate, East Naples, Lely Resort, Copeland, Vineyards, Royal Palm
  Hammock, Naples Park, Marco Island Airport, Naples Manor, West Toll
  Gate On Alligator Alley, North Naples, Pelican Bay, Lely, Rookery
  Bay Aquatic Preserve, Fakahatchee Strand State Preserve and
  Intersection I-75 And Everglades Blvd.

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.

This activity was also developing in an environment favorable for the
formation of funnel clouds. Stay tuned to NOAA weather radio and
local media for additional updates and possible warnings.

&&

LAT...LON 2618 8185 2629 8183 2605 8125 2583 8145
      2587 8178 2599 8184
TIME...MOT...LOC 1750Z 126DEG 13KT 2603 8168

Frye

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 2:46 AM EDTRip Current StatementMFLPalm Beach17 hr
Jun 29, 11:57 AM EDTSpecial Marine WarningMFL48 min
Jun 29, 12:46 PM EDTSpecial Weather StatementMFLHendry44 min
Jun 29, 12:48 PM EDTSpecial Weather StatementMFLCollier27 min
Jun 29, 12:49 PM EDTSpecial Marine WarningMFL56 min
Jun 29, 12:53 PM EDTSpecial Weather StatementMFLBroward52 min
Jun 29, 12:56 PM EDTSpecial Marine WarningMFL49 min
Jun 29, 1:29 PM EDTSpecial Weather StatementMFLCollier46 min
Jun 29, 1:37 PM EDTSpecial Marine WarningMFL38 min
Jun 29, 1:53 PM EDTSpecial Marine WarningMFL52 min
Jun 29, 2:31 PM EDTSpecial Weather StatementMFLCollier59 min
Jun 29, 3:26 PM EDTSpecial Marine WarningMFL64 min
Jun 29, 4:50 PM EDTSpecial Weather StatementMFLGlades40 min
Jun 29, 5:17 PM EDTSpecial Weather StatementMFLBroward43 min
Jun 29, 5:18 PM EDTSpecial Marine WarningMFL27 min
Jun 29, 5:26 PM EDTSevere Thunderstorm WarningMFLMiami-Dade19 min
Jun 29, 6:56 PM EDTSpecial Weather StatementMFLMiami-Dade49 min
Jun 29, 7:52 PM EDTAreal Flood AdvisoryMFLMiami-Dade113 min

Nearby

Special Weather Statements in Florida, 2021Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.