Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 477, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jun 23, 1996, 9:37 PM CDT for Custer County, Dewey County, Oklahoma. It was in force for 38 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 23, 1996, 9:37 PM CDT (02:37 UTC)
- Expired
- Jun 23, 1996, 10:15 PM CDT
- In force
- 38 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Custer County, OK, Dewey County, OK
The radar
The Vance AFB radar (KVNX), 130 km from the middle of the area, began a volume at 02:40 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 23, 10:05 PM CDT | Thunderstorm Wind 54 | Butler (Mesonet), OK | |
| Jun 23, 10:10 PM CDT | Thunderstorm Wind 53 | Butler (Mesonet), OK |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 2.6 hours before the alert went out and 160 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
- 1315 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1699 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 23, 9:20 PM CDT, 17 minutes earlier.
Area forecast discussion, Jun 23, 9:20 PM CDT, 17 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>In the hours before
Special weather statement, Jun 23, 4:53 PM CDT, 4 hours 44 minutes before
OKZ004>053-TX083>090-240030- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 455 PM CDT SUN JUN 23 1996 ...ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS PARTS OF WESTERN OKLAHOMA AND WESTERN NORTH TEXAS THROUGH THIS EVENING...IN AN AREA GENERALLY WEST OF A LINE FROM WAYNOKA...TO ALTUS...TO SEYMOUR TEXAS... THE ATMOSPHERE HAS BECOME VERY UNSTABLE LATE THIS AFTERNOON ACROSS WESTERN OKLAHOMA AND WESTERN NORTH TEXAS. ALTHOUGH A STRONG MID-LEVEL CAP IS IN PLACE ACROSS MUCH OF THE SOUTHERN PLAINS...WIDELY SCATTERED THUNDERSTORMS HAVE DEVELOPED ACROSS PARTS OF THE TEXAS PANHANDLE AND NORTHWEST OKLAHOMA...IN AN AREA OF MAXIMIZED INSTABILITY. THESE THUNDERSTORMS ARE EXPECTED TO DRIFT EAST...AND MAY AFFECT EXTREME WESTERN SECTIONS OF OKLAHOMA AND NORTH TEXAS LATE THIS AFTERNOON AND EVENING. A FEW OF THESE THUNDERSTORMS MAY BE SEVERE. DAMAGING WINDS WOULD BE THE MAIN THREAT FROM THESE STORMS. THE THREAT OF SEVERE WEATHER IS EXPECTED TO END BY LATE THIS EVENING...AS THE ATMOSPHERE STABILIZES DUE TO LOSS OF SOLAR HEATING. LIMITED SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND EVENING ACROSS EXTREME WESTERN SECTIONS OF OKLAHOMA AND NORTH TEXAS. CB
Local storm report, Jun 23, 5:24 PM CDT, 4 hours 13 minutes before
LOCAL STORM REPORT...CORRECTED TIME... NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 525 PM CDT SUN JUN 23 1996 TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS... DATE ....COUNTY LOCATION.... 0500 PM 12 N SHATTUCK OK 0.75 INCH HAIL 06/23/96 ELLIS FM
Local storm report, Jun 23, 5:56 PM CDT, 3 hours 41 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 600 PM CDT SUN JUN 23 1996 TIMEb(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS... DATE ....COUNTY LOCATION.... 555 PM 2 SW GOODWIN OK 0.75 INCH HAIL 06/23/96 ELLIS FM
Local storm report, Jun 23, 6:46 PM CDT, 2 hours 51 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 645 PM CDT SUN JUN 23 1996 TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS... DATE ....COUNTY LOCATION.... 615 PM 2 SW GOODWIN OK 1.00 INCH HAIL 06/23/96 ELLIS FM
Local storm report, Jun 23, 7:36 PM CDT, 2 hours 1 minute before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
735 PM CDT SUN JUN 23 1996
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
DATE ....COUNTY LOCATION....
655 PM 2 SW GOODWIN OK WATER 2 FT DEEP OVER COUNTY
06/23/96 ELLIS ROADS. 4.25 INCHES RAIN
MEASURED AT SAME LOCATION.
CWThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 8:20 PM CDT | Flash Flood Warning | OUN | Dewey | 3 hr |
| Jun 23, 10:27 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Custer, Washita | 48 min |
| Jun 24, 3:18 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 42 min |
| Jun 24, 3:52 PM CDT | Severe Thunderstorm Warning | OUN | Grant | 53 min |
| Jun 24, 4:12 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 48 min |
| Jun 24, 4:52 PM CDT | Severe Thunderstorm Warning | OUN | Garfield | 53 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.