Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Miami, FL

June 23, 2021Monroe County, Florida

NWS Miami, FL issued this special weather statement at Jun 23, 2021, 3:41 PM EDT for Monroe County, Florida. It was in force for 64 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 23, 2021, 3:41 PM EDT (19:41 UTC)
Expired
Jun 23, 2021, 4:45 PM EDT
In force
64 min
Issued by
NWS Miami, FL

County Monroe County, FL

The radar

The Miami radar (KAMX), 36 km from the middle of the area, began a volume at 19:42 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, 7.7 hours before the alert went out and 43 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 2021-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 431 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 2021-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
431 J/kg
Mixed-layer CIN
-123 J/kg
Mixed-layer LCL
1206 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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 23, 3:32 PM EDT, 9 minutes earlier.

Area forecast discussion, Jun 23, 3:32 PM EDT, 9 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Jun 23, 9:45 AM EDT, 5 hours 56 minutes before
Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
945 AM EDT Wed Jun 23 2021

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
240145-
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-
945 AM EDT Wed Jun 23 2021

...A Strong to Severe T'storm or Two Possible Today...
...Localized Flooding Possible Today in Slow Moving Storms..

This hazardous weather outlook is for South Florida.

.DAY ONE...TODAY AND TONIGHT

Thunderstorms: Scattered to numerous showers and thunderstorms are
possible today, with a focus across the interior and the Lake
Okeechobee region. An isolated severe storm is possible.

Flooding: Heavy rainfall with showers and thunderstorms may lead to
localized flooding.

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

Wind: An isolated strong to locally damaging wind gusts are possible
with the strongest thunderstorms this afternoon.

Hail: Small hail are possible with the strongest thunderstorms
today.

Temperatures: Heat index values are forecast to be in the triple
digits across South Florida, with values nearing 100-105 over
portions of the interior.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

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 23, 2:25 PM EDT, 1 hour 16 minutes before
Special Weather Statement
National Weather Service Miami FL
225 PM EDT Wed Jun 23 2021

FLZ070-075-231915-
Inland Collier County FL-Mainland Monroe FL-
225 PM EDT Wed Jun 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN COLLIER AND NORTHERN
MAINLAND MONROE COUNTIES UNTIL 315 PM EDT...

* At 225 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from Big
  Cypress National Preserve to 8 miles south of Wilderness Waterway.
  These storms were nearly stationary.

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

* Locations impacted include...
  Wilderness Waterway, Loop Road Ee Center, Big Cypress National
  Preserve and Everglades National Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 2600 8096 2544 8097 2549 8121 2600 8124
TIME...MOT...LOC 1825Z 313DEG 1KT 2598 8109 2553 8111

BAXTER
Special weather statement, Jun 23, 2:25 PM EDT, 1 hour 16 minutes before
Special Weather Statement
National Weather Service Miami FL
225 PM EDT Wed Jun 23 2021

FLZ067-231915-
Inland Palm Beach County FL-
225 PM EDT Wed Jun 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN PALM BEACH COUNTY
UNTIL 315 PM EDT...

* At 225 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from 6 miles
  east of Fremd Village-Padgett Island to Belle Glade. Movement was
  east at 10 mph.

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

* Locations impacted include...
  Palm Beach Gardens, Belle Glade, Pahokee, South Bay, Lake Harbor,
  Canal Point, Belle Glade Camp, Fremd Village-Padgett Island and The
  Acreage.

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 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 2687 8021 2658 8055 2667 8083 2686 8066
TIME...MOT...LOC 1825Z 275DEG 8KT 2679 8055 2671 8066

SB/SM
Special weather statement, Jun 23, 2:54 PM EDT, 47 minutes before
Special Weather Statement
National Weather Service Miami FL
254 PM EDT Wed Jun 23 2021

FLZ067-231945-
Inland Palm Beach County FL-
254 PM EDT Wed Jun 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN PALM BEACH COUNTY
UNTIL 345 PM EDT...

* At 254 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm near Belle Glade, moving south at 10
  mph.

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

* Locations impacted include...
  Belle Glade, South Bay, Okeelanta, Holey Land Wildlife Refuge,
  Belle Glade Camp and 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. If
you can hear thunder, you are close enough to be struck! Seek a safe
shelter inside a building or vehicle.

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 2669 8077 2677 8050 2652 8037 2642 8074
TIME...MOT...LOC 1854Z 339DEG 7KT 2665 8061

SB/SM
Special weather statement, Jun 23, 3:02 PM EDT, 39 minutes before
Special Weather Statement
National Weather Service Miami FL
302 PM EDT Wed Jun 23 2021

FLZ070-073-075-231945-
Inland Collier County FL-Mainland Monroe FL-Inland Miami-
Dade County FL-
302 PM EDT Wed Jun 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MAINLAND MONROE AND
MIAMI-DADE COUNTIES UNTIL 345 PM EDT...

* At 302 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from 8 miles
  west of Shark Valley Obs Tower to near Loop Road Ee Center. These
  storms were nearly stationary.

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

* Locations impacted include...
  Loop Road Ee Center, Everglades National Park and Big Cypress
  National Preserve.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 2558 8080 2581 8085 2583 8104 2556 8099
TIME...MOT...LOC 1902Z 271DEG 2KT 2562 8090 2581 8098

BAXTER
Special weather statement, Jun 23, 3:12 PM EDT, 29 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Jun 23, 3:41 PM EDT, 0 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:38 PM EDTSpecial Marine WarningMFL40 min
Jun 22, 9:37 PM EDTSpecial Weather StatementMFLBroward53 min
Jun 22, 10:38 PM EDTSpecial Weather StatementMFLBroward52 min
Jun 22, 11:06 PM EDTAreal Flood AdvisoryMFLBroward114 min
Jun 22, 11:27 PM EDTSpecial Weather StatementMFLBroward48 min
Jun 23, 12:34 AM EDTSpecial Marine WarningMFL56 min
Jun 23, 11:14 AM EDTSpecial Weather StatementMFLHendry46 min
Jun 23, 11:45 AM EDTSpecial Marine WarningMFL30 min
Jun 23, 11:58 AM EDTSpecial Weather StatementMFLHendry47 min
Jun 23, 12:22 PM EDTSevere Thunderstorm WarningMFLCollier, Hendry24 min
Jun 23, 12:30 PM EDTSpecial Weather StatementMFLPalm Beach45 min
Jun 23, 12:48 PM EDTSpecial Weather StatementMFLHendry42 min
Jun 23, 1:03 PM EDTSpecial Weather StatementMFLBroward42 min
Jun 23, 1:05 PM EDTSpecial Weather StatementMFLMartin40 min
Jun 23, 1:32 PM EDTSpecial Weather StatementMFLCollier43 min
Jun 23, 1:46 PM EDTSpecial Weather StatementMFLPalm Beach44 min
Jun 23, 1:47 PM EDTSpecial Weather StatementMFLBroward43 min
Jun 23, 2:11 PM EDTSpecial Weather StatementMFLCollier49 min
Jun 23, 2:25 PM EDTSpecial Weather StatementMFLMonroe50 min
Jun 23, 2:25 PM EDTSpecial Weather StatementMFLPalm Beach50 min
Jun 23, 2:29 PM EDTSevere Thunderstorm WarningMFLCollier, Monroe31 min
Jun 23, 2:33 PM EDTSpecial Marine WarningMFL42 min
Jun 23, 2:54 PM EDTSpecial Weather StatementMFLPalm Beach51 min
Jun 23, 3:02 PM EDTSpecial Weather StatementMFLMonroe43 min
Jun 23, 3:12 PM EDTSpecial Weather StatementMFLBroward48 min
Jun 23, 3:37 PM EDTSpecial Marine WarningMFL68 min
Jun 23, 4:37 PM EDTSpecial Weather StatementMFLMonroe53 min
Jun 23, 5:59 PM EDTAreal Flood AdvisoryMFLMiami-Dade56 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.