Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

April 11, 2021Bay County, Florida

NWS Tallahassee, FL issued this special weather statement at Apr 11, 2021, 1:10 PM CDT for Bay County, Florida. It was in force for 35 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
Apr 11, 2021, 1:10 PM CDT (18:10 UTC)
Expired
Apr 11, 2021, 1:45 PM CDT
In force
35 min
Issued by
NWS Tallahassee, FL

County Bay County, FL

The radar

The Eglin Afb radar (KEVX), 41 km from the middle of the area, began a volume at 18:13 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, 6.2 hours before the alert went out and 124 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 2021-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 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 2021-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.1939587897Sfc1 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
44 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
669 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

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 Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Apr 11, 12:41 PM CDT, 29 minutes earlier.

Area forecast discussion, Apr 11, 12:41 PM CDT, 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>

In the hours before

Local storm report, Apr 11, 9:16 AM CDT, 3 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1016 AM EDT SUN APR 11 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0950 AM     TSTM WND DMG     1 NNE GULF LAGOON BEACH 30.18N 85.78W
04/10/2021                   BAY                FL   BROADCAST MEDIA

            TREE FELL ON A HOME ON LAURIE AVE AND
            RESULTED IN SIGNIFICANT DAMAGE.

&&
Special weather statement, Apr 11, 9:19 AM CDT, 3 hours 51 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
1019 AM EDT Sun Apr 11 2021

GAZ158-111445-
Thomas GA-
1019 AM EDT Sun Apr 11 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN THOMAS COUNTY UNTIL 1045
AM EDT...

At 1019 AM EDT, Doppler radar was tracking a strong thunderstorm near
Ochlocknee, or near Thomasville, moving east at 55 mph.

Pea to penny size hail will be possible with this storm.

Locations impacted include...
Thomasville, Ochlocknee, Pavo, Coolidge, Barwick, Thomasville
Municipal A/P, Dillon, Enon, Patten, Merrillville, Chastain,
Dawesville, Pasco and Hollis.

LAT...LON 3089 8374 3081 8407 3084 8408 3087 8407
      3088 8408 3092 8408 3097 8412 3099 8412
      3104 8398 3104 8380 3103 8379 3103 8378
      3104 8378 3104 8374
TIME...MOT...LOC 1419Z 250DEG 49KT 3092 8403

42-DVD
Special weather statement, Apr 11, 9:48 AM CDT, 3 hours 22 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
1048 AM EDT Sun Apr 11 2021

GAZ146-158-159-111515-
Brooks GA-Colquitt GA-Thomas GA-
1048 AM EDT Sun Apr 11 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN THOMAS...
NORTHWESTERN BROOKS AND SOUTHEASTERN COLQUITT COUNTIES UNTIL 1115 AM
EDT...

At 1047 AM EDT, Doppler radar was tracking a strong thunderstorm near
Pavo, or 10 miles south of Moultrie, moving east at 40 mph.

Pea to penny size hail will be possible with this storm.

Locations impacted include...
Moultrie, Pavo, Berlin, Ellenton, Barney, Moultrie Municipal A/P,
Autreyville, Enon, Murphy, Spence Airport, Reed Bingham State Park
and Hollis.

LAT...LON 3091 8380 3107 8388 3123 8351 3120 8351
      3118 8354 3115 8354 3114 8356 3111 8356
      3108 8358 3105 8354 3105 8350 3104 8349
      3103 8347 3099 8345
TIME...MOT...LOC 1447Z 248DEG 33KT 3102 8376

42-DVD
Special weather statement, Apr 11, 10:30 AM CDT, 2 hours 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Local storm report, Apr 11, 12:16 PM CDT, 54 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, Apr 11, 1:10 PM CDT, 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 Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 11, 1:36 AM CDTSpecial Marine WarningTAE114 min
Apr 11, 1:59 AM CDTSevere Thunderstorm WarningTAEFranklin, Gulf, Liberty61 min
Apr 11, 2:25 AM CDTSpecial Marine WarningTAE65 min
Apr 11, 2:53 AM CDTSpecial Marine WarningTAE82 min
Apr 11, 2:59 AM CDTSpecial Weather StatementTAEGulf, Liberty, Wakulla61 min
Apr 11, 3:30 AM CDTSpecial Marine WarningTAE2 hr
Apr 11, 3:39 AM CDTSpecial Weather StatementTAEBay, Calhoun51 min
Apr 11, 3:57 AM CDTSpecial Weather StatementTAEDixie, Lafayette, Madison, Taylor48 min
Apr 11, 4:13 AM CDTSpecial Marine WarningTAE92 min
Apr 11, 4:36 AM CDTSevere Thunderstorm WarningTAEDixie39 min
Apr 11, 4:44 AM CDTSpecial Weather StatementTAEMadison46 min
Apr 11, 5:26 AM CDTSpecial Marine WarningTAE3 hr
Apr 11, 5:42 AM CDTSpecial Marine WarningTAE63 min
Apr 11, 6:10 AM CDTSpecial Weather StatementTAEBay, Gulf50 min
Apr 11, 8:12 AM CDTSpecial Weather StatementTAELafayette48 min
Apr 11, 8:17 AM CDTSpecial Marine WarningTAE63 min
Apr 11, 2:04 PM CDTSpecial Weather StatementTAELiberty26 min
Apr 11, 8:55 AM CDTSpecial Weather StatementTAEGrady35 min
Apr 11, 9:19 AM CDTSpecial Weather StatementTAEThomas26 min
Apr 11, 9:48 AM CDTSpecial Weather StatementTAEColquitt27 min
Apr 11, 10:30 AM CDTSpecial Weather StatementTAEBerrien45 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.