Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

June 23, 2021Gulf County, Florida

NWS Tallahassee, FL issued this special weather statement at Jun 23, 2021, 11:17 AM CDT for Gulf County, Florida. It was in force for 58 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, 11:17 AM CDT (16:17 UTC)
Expired
Jun 23, 2021, 12:15 PM CDT
In force
58 min
Issued by
NWS Tallahassee, FL

County Gulf County, FL

The radar

The Eglin Afb radar (KEVX), 83 km from the middle of the area, began a volume at 16:20 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.3 hours before the alert went out and 107 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, Tallahassee Rgnl, FL at 12:00Z on 2021-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 995 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, Tallahassee Rgnl, FL at 12:00Z on 2021-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.193958Sfc1 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
995 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
82 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 Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Jun 23, 9:37 AM CDT, 1 hour 40 minutes earlier.

Area forecast discussion, Jun 23, 9:37 AM CDT, 1 hour 40 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.
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In the hours before

Special weather statement, Jun 23, 9:44 AM CDT, 1 hour 33 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
1044 AM EDT Wed Jun 23 2021

FLZ012>014-026-112-231530-
Coastal Bay FL-Liberty FL-Inland Bay FL-Calhoun FL-Inland Gulf FL-
1044 AM EDT Wed Jun 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GULF...EAST CENTRAL
BAY...SOUTHWESTERN CALHOUN COUNTIES IN THE PANHANDLE OF FLORIDA AND
WEST CENTRAL LIBERTY COUNTIES IN BIG BEND OF FLORIDA UNTIL 1130 AM
EDT/1030 AM CDT/...

At 1043 AM EDT/943 AM CDT/, Doppler radar was tracking a strong
thunderstorm 10 miles east of Callaway, moving east at 15 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Stonemill Creek, Wewahitchka, Scotts Ferry, Abe Springs, Kinard,
Chipola Cutoff, Broad Branch and Chipola Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3009 8546 3026 8551 3039 8514 3013 8506
TIME...MOT...LOC 1443Z 255DEG 14KT 3020 8541

AH
Special weather statement, Jun 23, 10:14 AM CDT, 1 hour 3 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
1114 AM EDT Wed Jun 23 2021

FLZ012-112-231615-
Coastal Bay FL-Inland Bay FL-
1114 AM EDT Wed Jun 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN BAY COUNTY UNTIL
1115 AM CDT...

At 1013 AM CDT, Doppler radar was tracking a strong thunderstorm 8
miles south of Panama City, moving east at 15 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Callaway, Springfield, Mexico Beach, Tyndall Air Force Base, Parker,
St Andrews State Park, Allanton, Cedar Grove, Beacon Beach, Bay
Harbor, Davis Beach, Millville and Wetappo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3026 8539 2995 8539 2996 8561 3006 8578
      3013 8580
TIME...MOT...LOC 1513Z 260DEG 12KT 3006 8570

38-GODSEY
Special weather statement, Jun 23, 11:17 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
1217 PM EDT Wed Jun 23 2021

FLZ014-015-026-114-231715-
Inland Franklin FL-Liberty FL-Inland Gulf FL-Coastal Gulf FL-
1217 PM EDT Wed Jun 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN GULF...SOUTHWESTERN
LIBERTY AND NORTH CENTRAL FRANKLIN COUNTIES IN THE PANHANDLE OF
FLORIDA UNTIL 115 PM EDT/1215 PM CDT/...

At 1216 PM EDT/1116 AM CDT/, Doppler radar was tracking a strong
thunderstorm near Mexico Beach, or 13 miles north of Port St. Joe,
moving east at 25 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Mexico Beach, Stonemill Creek, Wewahitchka, Honeyville, Vilas,
Chipola Cutoff, Central City, Owens Bridge, Overstreet, Kern, Wilma,
Sumatra, Willis Landing, Nixon Garden, Twin Pole, Beacon Hill,
Dalkeith and Saint Joe Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2995 8542 2993 8539 3002 8539 3004 8540
      3004 8542 3002 8543 3003 8543 3005 8542
      3005 8540 3004 8539 3015 8539 3025 8478
      2999 8476 2988 8539
TIME...MOT...LOC 1616Z 257DEG 21KT 3001 8535

38-GODSEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 9:44 AM CDTSpecial Weather StatementTAECalhoun46 min
Jun 23, 10:12 AM CDTSpecial Marine WarningTAE63 min
Jun 23, 10:14 AM CDTSpecial Weather StatementTAEBay61 min
Jun 23, 12:55 PM CDTSpecial Marine WarningTAE2 hr
Jun 23, 4:02 PM CDTSpecial Weather StatementTAELafayette28 min
Jun 23, 3:16 PM CDTSpecial Weather StatementTAEMiller29 min
Jun 23, 4:56 PM CDTSpecial Weather StatementTAEHouston34 min
Jun 23, 6:08 PM CDTSpecial Weather StatementTAEGeneva52 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.