Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 77, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at May 21, 1990, 7:03 AM CDT for Desha County, Drew County, Arkansas. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- May 21, 1990, 7:03 AM CDT (12:03 UTC)
- Expired
- May 21, 1990, 7:45 AM CDT
- In force
- 42 min
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
Counties Desha County, AR, Drew County, AR
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 0.1 hours before the alert went out and 203 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
- 2059 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 558 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, May 21, 5:03 AM CDT, 2 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>The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 12:32 AM CDT | Severe Thunderstorm Warning | LZK | Randolph | 43 min |
| May 21, 1:11 AM CDT | Severe Thunderstorm Warning | LZK | Montgomery | 59 min |
| May 21, 1:24 AM CDT | Tornado Warning | LZK | Montgomery | 66 min |
| May 21, 2:22 AM CDT | Severe Thunderstorm Warning | LZK | Garland, Hot Spring | 38 min |
| May 21, 2:29 AM CDT | Severe Thunderstorm Warning | LZK | Saline | 61 min |
| May 21, 2:44 AM CDT | Severe Thunderstorm Warning | LZK | Pulaski | 61 min |
| May 21, 2:52 AM CDT | Severe Thunderstorm Warning | LZK | Grant | 53 min |
| May 21, 3:52 AM CDT | Severe Thunderstorm Warning | LZK | Newton | 38 min |
| May 21, 5:27 AM CDT | Severe Thunderstorm Warning | LZK | Pulaski | 63 min |
| May 21, 5:37 AM CDT | Severe Thunderstorm Warning | LZK | Lonoke | 68 min |
| May 21, 6:18 AM CDT | Severe Thunderstorm Warning | LZK | Jefferson | 42 min |
| May 21, 6:21 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas | 69 min |
| May 21, 6:32 AM CDT | Severe Thunderstorm Warning | LZK | Cleveland, Lincoln | 58 min |
| May 21, 8:50 AM CDT | Severe Thunderstorm Warning | LZK | Union | 40 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1990Every severe thunderstorm warning in 1990
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.