Alert archive / Kentucky / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 167, NWS Louisville, KY

July 22, 2008Warren County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 22, 2008, 10:57 AM CDT for Warren County, Kentucky. It was in force for 33 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: Jul 22, 2008, 10:57 AM CDT (15:57 UTC)
Expired: Jul 22, 2008, 11:30 AM CDT
In force: 33 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon

County Warren County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 4.0 hours before the alert went out and 97 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: 2116 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 1289 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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 Louisville, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 22, 10:00 AM CDT, 57 minutes earlier.

Area forecast discussion, Jul 22, 10:00 AM CDT, 57 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>

Hazardous weather outlook, Jul 22, 10:30 AM CDT, 27 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 Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 22, 2:21 AM CDT	Severe Thunderstorm Warning	LMK	Henry	39 min
Jul 22, 11:26 AM CDT	Severe Thunderstorm Warning	LMK	Allen, Simpson	34 min
Jul 22, 11:44 AM CDT	Severe Thunderstorm Warning	LMK	Barren, Green, Metcalfe	31 min
Jul 22, 12:04 PM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Monroe	41 min
Jul 22, 12:32 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Cumberland, Metcalfe, Monroe	43 min
Jul 22, 12:45 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Russell	30 min
Jul 22, 1:08 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Clinton, Cumberland, Russell	22 min
Jul 22, 1:16 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Russell	44 min
Jul 22, 5:15 PM CDT	Severe Thunderstorm Warning	LMK	Green, Taylor	45 min
Jul 22, 5:42 PM CDT	Severe Thunderstorm Warning	LMK	Marion, Taylor	33 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2008 Every severe thunderstorm warning in 2008

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.