Alert archive / Arkansas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 42, NWS Little Rock, AR

April 6, 2005Arkansas County, Jefferson County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 6, 2005, 7:30 AM CDT for Arkansas County, Jefferson County, Arkansas. It was in force for 45 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: Apr 6, 2005, 7:30 AM CDT (12:30 UTC)
Expired: Apr 6, 2005, 8:15 AM CDT
In force: 45 min
Issued by: NWS Little Rock, AR
Area: Counties, with a storm outline in the text

Counties Arkansas County, AR, Jefferson County, AR

The radar

The Little Rock radar (KLZK), 83 km from the middle of the area, began a volume at 12:33 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

Little Rock, AR (KLZK), launched 12:00Z, 0.5 hours before the alert went out and 168 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: 74 J/kg
Mixed-layer CIN: -186 J/kg
Mixed-layer LCL: 848 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 258 m²/s²
0-3 km storm-relative helicity: 320 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 6, 3:30 AM CDT, 4 hours earlier.

Area forecast discussion, Apr 6, 3:30 AM CDT, 4 hours 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, Apr 6, 5:00 AM CDT, 2 hours 30 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 Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 5, 8:26 PM CDT	Severe Thunderstorm Warning	LZK	Polk	64 min
Apr 5, 9:26 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Pike, Polk	49 min
Apr 5, 10:03 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan	42 min
Apr 5, 10:22 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Perry, Pope	53 min
Apr 5, 10:29 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Saline	61 min
Apr 5, 10:49 PM CDT	Severe Thunderstorm Warning	LZK	Faulkner, Van Buren	56 min
Apr 5, 11:02 PM CDT	Severe Thunderstorm Warning	LZK	Pulaski, Saline	58 min
Apr 5, 11:19 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Stone	56 min
Apr 5, 11:33 PM CDT	Severe Thunderstorm Warning	LZK	White	57 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2005 Every severe thunderstorm warning in 2005

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.