Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 228, NWS Tallahassee, FL

August 19, 2014Lowndes County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 19, 2014, 1:31 PM EDT for Lowndes County, Georgia. It was in force for 9 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: Aug 19, 2014, 1:31 PM EDT (17:31 UTC)
Expired: Aug 19, 2014, 1:40 PM EDT
In force: 9 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

County Lowndes County, GA

The radar

The Moody AFB radar (KVAX), 26 km from the middle of the area, began a volume at 17:34 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, 5.5 hours before the alert went out and 110 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1065 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 886 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

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 Aug 19, 10:06 AM EDT, 3 hours 25 minutes earlier.

Area forecast discussion, Aug 19, 10:06 AM EDT, 3 hours 25 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.

Issued	Product	Office	Counties	Lasted
Aug 19, 12:55 PM EDT	Special Marine Warning	TAE		65 min
Aug 19, 1:54 PM EDT	Severe Thunderstorm Warning	TAE	Madison, Taylor	42 min
Aug 19, 6:41 PM EDT	Areal Flood Advisory	TAE	Leon	2 hr
Aug 19, 6:59 PM EDT	Special Weather Statement	TAE	Jackson	46 min
Aug 19, 7:25 PM EDT	Severe Thunderstorm Warning	TAE	Calhoun, Jackson	35 min
Aug 19, 7:42 PM EDT	Special Weather Statement	TAE	Gadsden	48 min
Aug 19, 2:29 PM EDT	Severe Thunderstorm Warning	TAE	Baker, Calhoun, Clay, Dougherty, Early, Lee and 2 more	44 min
Aug 19, 2:35 PM EDT	Severe Thunderstorm Warning	TAE	Early	39 min
Aug 19, 3:18 PM EDT	Severe Thunderstorm Warning	TAE	Baker, Colquitt, Decatur, Dougherty, Grady, Miller and 3 more	42 min
Aug 19, 3:43 PM EDT	Severe Thunderstorm Warning	TAE	Colquitt, Cook, Decatur, Grady, Mitchell, Thomas and 2 more	47 min
Aug 19, 4:01 PM EDT	Severe Thunderstorm Warning	TAE	Berrien, Colquitt, Cook, Tift	44 min
Aug 19, 4:20 PM EDT	Severe Thunderstorm Warning	TAE	Berrien, Brooks, Colquitt, Cook, Lanier, Lowndes and 1 more	55 min
Aug 19, 1:57 PM EDT	Severe Thunderstorm Warning	TAE	Dale, Henry	48 min
Aug 19, 5:56 PM EDT	Special Weather Statement	TAE	Houston	49 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2014 Every severe thunderstorm warning in 2014

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.