Alert archive / Arkansas / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 293, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Aug 11, 2004, 12:47 PM CDT for Ouachita County, Arkansas. It was in force for 43 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 11, 2004, 12:47 PM CDT (17:47 UTC)
- Expired
- Aug 11, 2004, 1:30 PM CDT
- In force
- 43 min
- Issued by
- NWS Little Rock, AR
- Area
- Counties, with a storm outline in the text
County Ouachita County, AR
The radar
The Little Rock radar (KLZK), 150 km from the middle of the area, began a volume at 17:48 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
Shreveport, LA (KSHV), launched 12:00Z, 5.8 hours before the alert went out and 148 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.
- Mixed-layer CAPE
- 189 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 1474 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- -49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aug 11, 12:25 PM CDT, 22 minutes earlier.
Area forecast discussion, Aug 11, 12:25 PM CDT, 22 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE LITTLE ROCK AR 1225 PM CDT WED AUG 11 2004 .DISCUSSION... PRECIPITATION SHIELD BEGINNING TO BREAK UP A BIT IN THE NORTHERN HALF OF ARKANSAS LATE THIS MORNING. MEANWHILE...SCATTERED THUNDERSTORMS INTENSIFYING IN SOUTHWEST SECTIONS OF THE STATE...AND WILL AFFECT AREAS MAINLY SOUTH OF LITTLE ROCK THIS AFTERNOON. UPDATED FORECAST TO ACCOUNT FOR LATEST PRECIPITATION TRENDS. ALSO LOWERED TEMPERATURES IN PARTS OF CENTRAL ARKANSAS GIVEN LOTS OF CLOUDS/ENOUGH RAIN TO HOLD READINGS DOWN. COLD FRONT IN CENTRAL ARKANSAS WILL PUSH SOUTHWARD. MOISTURE/PRECIPITATION WILL BE SHUNTED TOWARD GULF COAST TONIGHT...WITH CANADIAN HIGH PRESSURE/BELOW NORMAL TEMPERATURES BEHIND FRONT. LOOKING AT LATEST DATA...TEMPERATURES THE NEXT COUPLE OF DAYS A LITTLE WARM IN GOING FORECAST. WILL TREND READINGS DOWN A BIT AS A RESULT. (46) && .LZK WATCHES/WARNINGS/ADVISORIES...NONE. && 46
Hazardous weather outlook, Aug 11, 7:45 AM CDT, 5 hours 2 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 |
|---|---|---|---|---|
| Aug 10, 7:58 PM CDT | Severe Thunderstorm Warning | LZK | White | 57 min |
| Aug 10, 8:10 PM CDT | Severe Thunderstorm Warning | LZK | Stone | 45 min |
| Aug 10, 9:48 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, White | 42 min |
| Aug 10, 11:29 PM CDT | Severe Thunderstorm Warning | LZK | Izard | 61 min |
| Aug 11, 12:17 AM CDT | Severe Thunderstorm Warning | LZK | Stone | 58 min |
| Aug 11, 1:09 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Marion, Searcy | 46 min |
| Aug 11, 2:05 AM CDT | Severe Thunderstorm Warning | LZK | Stone | 60 min |
| Aug 11, 4:33 AM CDT | Severe Thunderstorm Warning | LZK | Van Buren | 62 min |
| Aug 11, 5:36 AM CDT | Severe Thunderstorm Warning | LZK | Van Buren | 39 min |
| Aug 11, 3:06 PM CDT | Severe Thunderstorm Warning | LZK | Bradley | 29 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2004Every severe thunderstorm warning in 2004
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.