Alert archive / Florida / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 305, NWS Tallahassee, FL

December 14, 2022Walton County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Dec 14, 2022, 12:46 PM CST for Walton County, Florida. It was in force for 44 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
Dec 14, 2022, 12:46 PM CST (18:46 UTC)
Expired
Dec 14, 2022, 1:30 PM CST
In force
44 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 25 km from the middle of the area, began a volume at 18:48 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, 6.8 hours before the alert went out and 181 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 2022-12-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2022-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
457 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
311 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Dec 14, 11:53 AM CST, 53 minutes earlier.

Area forecast discussion, Dec 14, 11:53 AM CST, 53 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

Special weather statement, Dec 14, 11:59 AM CST, 47 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, Dec 14, 12:36 PM CST, 10 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
Dec 14, 1:51 AM CSTSpecial Marine WarningTAE54 min
Dec 14, 2:43 AM CSTRip Current StatementTAEBay, Franklin, Gulf, Walton69 hr
Dec 14, 10:45 AM CSTSpecial Marine WarningTAE60 min
Dec 14, 11:37 AM CSTSpecial Marine WarningTAE53 min
Dec 14, 11:41 AM CSTSpecial Marine WarningTAE64 min
Dec 14, 11:59 AM CSTSpecial Weather StatementTAEWalton31 min
Dec 14, 12:24 PM CSTSpecial Marine WarningTAE96 min
Dec 14, 12:25 PM CSTHigh Surf AdvisoryTAEBay, Gulf, Walton23 hr
Dec 14, 12:36 PM CSTSpecial Weather StatementTAEWalton39 min
Dec 14, 1:53 PM CSTSpecial Marine WarningTAE97 min
Dec 14, 2:32 PM CSTSpecial Marine WarningTAE58 min
Dec 14, 2:46 PM CSTSpecial Weather StatementTAEBay44 min
Dec 14, 3:05 PM CSTSpecial Marine WarningTAE55 min
Dec 14, 3:24 PM CSTSpecial Marine WarningTAE66 min
Dec 14, 3:53 PM CSTSpecial Marine WarningTAE67 min
Dec 14, 4:24 PM CSTSpecial Marine WarningTAE96 min
Dec 14, 4:39 PM CSTSevere Thunderstorm WarningTAEBay, Walton, Washington36 min
Dec 14, 4:51 PM CSTTornado WarningTAEBay, Walton24 min
Dec 14, 5:10 PM CSTSevere Thunderstorm WarningTAEBay, Walton, Washington50 min
Dec 14, 5:16 PM CSTSevere Thunderstorm WarningTAEFranklin, Gulf44 min
Dec 14, 5:19 PM CSTTornado WarningTAEFranklin, Gulf26 min
Dec 14, 5:21 PM CSTTornado WarningTAEBay, Washington39 min
Dec 14, 5:43 PM CSTTornado WarningTAEFranklin, Gulf32 min
Dec 14, 5:53 PM CSTSpecial Marine WarningTAE97 min
Dec 14, 5:56 PM CSTSevere Thunderstorm WarningTAEFranklin, Gulf, Liberty49 min
Dec 14, 5:59 PM CSTSevere Thunderstorm WarningTAEJackson, Washington46 min
Dec 14, 2:46 PM CSTSpecial Weather StatementTAEGeneva29 min

Nearby

Severe Thunderstorm Warnings in Florida, 2022Every severe thunderstorm warning in 2022

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.