Alert archive / Florida / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 183, NWS Tallahassee, FL

May 17, 2023Gadsden County, Leon County, Florida; Decatur County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at May 17, 2023, 12:12 PM EDT for Gadsden County, Leon County, Florida; Decatur County, Georgia. It was in force for 36 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
May 17, 2023, 12:12 PM EDT (16:12 UTC)
Expired
May 17, 2023, 12:48 PM EDT
In force
36 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Gadsden County, FL, Leon County, FL, Decatur County, GA

The radar

The Tallahassee radar (KTLH), 31 km from the middle of the area, began a volume at 16:13 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, 4.2 hours before the alert went out and 32 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 2023-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 828 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 2023-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
828 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
896 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
29 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 May 17, 11:29 AM EDT, 43 minutes earlier.

Area forecast discussion, May 17, 11:29 AM EDT, 43 minutes before
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In the hours before

Special weather statement, May 17, 11:28 AM EDT, 44 minutes before
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Special weather statement, May 17, 11:42 AM EDT, 30 minutes before
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    <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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Special weather statement, May 17, 11:55 AM EDT, 17 minutes before
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<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.
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Special weather statement, May 17, 12:12 PM EDT, 0 minutes before
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<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.
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 8:33 PM EDTAreal Flood AdvisoryTAEHolmes117 min
May 17, 2:35 AM EDTRip Current StatementTAEGulf17 hr
May 17, 11:28 AM EDTSpecial Weather StatementTAELiberty47 min
May 17, 11:28 AM EDTSpecial Weather StatementTAELiberty47 min
May 17, 11:42 AM EDTSpecial Weather StatementTAEGadsden48 min
May 17, 11:55 AM EDTSpecial Weather StatementTAECalhoun50 min
May 17, 11:58 AM EDTSpecial Marine WarningTAE52 min
May 17, 12:12 PM EDTSpecial Weather StatementTAEWakulla33 min
May 17, 12:22 PM EDTSpecial Weather StatementTAEWakulla53 min
May 17, 12:36 PM EDTSevere Thunderstorm WarningTAEWakulla26 min
May 17, 12:41 PM EDTSpecial Weather StatementTAELiberty49 min
May 17, 12:44 PM EDTSpecial Weather StatementTAELeon46 min
May 17, 12:51 PM EDTSpecial Weather StatementTAELafayette24 min
May 17, 12:56 PM EDTSpecial Weather StatementTAEJefferson49 min
May 17, 1:00 PM EDTSpecial Weather StatementTAEWashington45 min
May 17, 1:04 PM EDTSpecial Weather StatementTAEJefferson41 min
May 17, 1:10 PM EDTSpecial Weather StatementTAELeon50 min
May 17, 1:20 PM EDTSpecial Weather StatementTAELeon25 min
May 17, 1:28 PM EDTSevere Thunderstorm WarningTAEJefferson, Leon47 min
May 17, 1:39 PM EDTSpecial Weather StatementTAEWakulla51 min
May 17, 1:43 PM EDTSpecial Weather StatementTAEMadison32 min
May 17, 1:54 PM EDTSevere Thunderstorm WarningTAEJefferson, Madison36 min
May 17, 2:04 PM EDTSpecial Weather StatementTAEWashington41 min
May 17, 2:35 PM EDTSpecial Weather StatementTAEMadison40 min
May 17, 3:37 PM EDTSpecial Weather StatementTAEFranklin38 min
May 17, 4:35 PM EDTSpecial Weather StatementTAEBay40 min
May 17, 5:38 PM EDTSpecial Weather StatementTAEHolmes52 min
May 17, 5:54 PM EDTSevere Thunderstorm WarningTAEWalton29 min
May 17, 6:26 PM EDTAreal Flood AdvisoryTAEWalton2 hr
May 17, 6:29 PM EDTSpecial Weather StatementTAEHolmes31 min
May 16, 8:18 PM EDTSpecial Weather StatementTAELee, Quitman, Randolph, Terrell42 min
May 16, 9:15 PM EDTSpecial Weather StatementTAECalhoun, Dougherty, Lee, Terrell45 min
May 17, 1:51 PM EDTSpecial Weather StatementTAEThomas39 min
May 17, 1:58 PM EDTAreal Flood AdvisoryTAEGrady, Thomas2 hr
May 17, 2:18 PM EDTSevere Thunderstorm WarningTAEBrooks, Colquitt, Cook, Lowndes, Thomas42 min
May 17, 2:19 PM EDTFlash Flood WarningTAEThomas3 hr
May 17, 2:42 PM EDTAreal Flood AdvisoryTAEBrooks, Thomas2 hr
May 17, 2:57 PM EDTSpecial Weather StatementTAELowndes48 min
May 17, 3:07 PM EDTSpecial Weather StatementTAELanier38 min
May 17, 3:26 PM EDTSpecial Weather StatementTAELanier49 min
May 17, 3:46 PM EDTSpecial Weather StatementTAEBerrien, Lanier44 min
May 17, 5:21 PM EDTSpecial Weather StatementTAEQuitman39 min
May 17, 5:24 PM EDTSpecial Weather StatementTAEClay51 min
May 17, 6:01 PM EDTSpecial Weather StatementTAEClay, Quitman, Randolph, Terrell44 min
May 17, 6:38 PM EDTSpecial Weather StatementTAECalhoun, Clay, Early37 min
May 17, 6:44 PM EDTSpecial Weather StatementTAELee, Randolph, Terrell46 min
May 17, 7:59 PM EDTSpecial Weather StatementTAEEarly46 min
May 17, 4:45 PM EDTSpecial Weather StatementTAEHenry45 min
May 17, 4:54 PM EDTSevere Thunderstorm WarningTAEDale, Henry30 min
May 17, 6:05 PM EDTSpecial Weather StatementTAECoffee40 min
May 17, 6:38 PM EDTSevere Thunderstorm WarningTAECoffee, Dale52 min
May 17, 6:47 PM EDTSpecial Weather StatementTAECoffee43 min
May 17, 6:53 PM EDTAreal Flood AdvisoryTAECoffee, Dale112 min
May 17, 7:03 PM EDTSpecial Weather StatementTAEDale42 min
May 17, 7:24 PM EDTSpecial Weather StatementTAEDale, Henry51 min

Nearby

Severe Thunderstorm Warnings in Florida, 2023Severe Thunderstorm Warnings in Georgia, 2023Every severe thunderstorm warning in 2023

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.