Alert archive / Oklahoma / Flash Flood Warnings in 1994
Flash Flood Warning 15, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Jun 8, 1994, 3:55 PM CDT for McClain County, Oklahoma. It was in force for 110 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1994, 3:55 PM CDT (20:55 UTC)
- Expired
- Jun 8, 1994, 5:45 PM CDT
- In force
- 110 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
County McClain County, OK
The radar
The Norman radar (KTLX), 39 km from the middle of the area, began a volume at 20:59 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
Norman, OK (KOUN), launched 12:00Z, 8.9 hours before the alert went out and 24 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
- 1937 J/kg
- Mixed-layer CIN
- -497 J/kg
- Mixed-layer LCL
- 1514 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 444 m²/s²
- 0-3 km storm-relative helicity
- 462 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 flash flood 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 flash flood warning went out at Jun 8, 3:49 PM CDT, 6 minutes earlier.
Area forecast discussion, Jun 8, 3:49 PM CDT, 6 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 8, 12:30 PM CDT, 3 hours 25 minutes before
OKZ004>053-TXZ083>090-091200- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1230 PM CDT WED JUN 8 1994 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS PORTIONS OF NORTH-CENTRAL AND EAST-CENTRAL OKLAHOMA TO THE EAST OF A LINE FROM CHEROKEE TO GUTHRIE TO SEMINOLE. THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT FROM NORTHWESTERN OKLAHOMA THROUGH CENTRAL INTO SOUTHEASTERN OKLAHOMA. THE SLIGHT RISK AREA IS EAST OF A LINE FROM SHATTUCK TO ANADARKO TO WAURIKA. A COMPLICATED WEATHER PATTERN HAS DEVELOPED ACROSS OKLAHOMA THIS AFTERNOON WITH SEVERAL FEATURES THAT MAY SUPPORT SEVERE THUNDERSTORMS. AN OUTFLOW BOUNDARY FROM THUNDERSTORMS EARLIER THIS MORNING IN NORTHEASTERN OKLAHOMA EXTENDS FROM SOUTH OF TULSA TO NEAR KINGFISHER. THIS BOUNDARY INTERSECTS WITH A DRYLINE THAT EXTENDS FROM NORTHERN BLAINE COUNTY SOUTHWARD TO NEAR HOBART. THUNDERSTORMS MAY DEVELOP LATE THIS AFTERNOON ALONG THESE BOUNDARIES...BUT DEVELOPMENT IS UNCERTAIN BECAUSE OF A STRONG CAP OVER THE AREA. IF WIND CONVERGENCE ALONG THESE BOUNDARIES IS SUFFICIENT TO BREAK THE CAP...THEN THE RESULTING THUNDERSTORMS WILL QUICKLY BECOME SEVERE. IN ADDITION...AN EXTREMELY UNSTABLE ATMOSPHERE AND FAVOURABLE WIND SHEAR WILL LEAD TO THE POSSIBILITY OF SUPERCELLS AND TORNADOES. THUNDERSTORM DEVELOPMENT IS MORE LIKELY IN WESTERN AND CENTRAL KANSAS THIS AFTERNOON WHERE THE CAP IS WEAKER. THESE THUNDERSTORMS WILL LIKELY MOVE SOUTHEASTWARD INTO NORTH-CENTRAL AND EAST-CENTRAL OKLAHOMA TONIGHT. THE AREA MOST LIKELY TO EXPERIENCE THIS ACTIVITY IS ACROSS THE MODERATE RISK AREA. STRONG WINDS AND VERY LARGE HAIL WILL BE THE MAIN WEATHER THREAT FROM THESE STORMS...BUT THE POSSIBILITY OF WEAK TORNADOES ALSO EXISTS. IN SOUTHWESTERN OKLAHOMA AND THE WESTERN PARTS OF NORTH TEXAS...SEVERE THUNDERSTORM DEVELOPMENT IS NOT LIKELY DUE TO DRY AIR BEHIND THE DRYLINE AND A STRONGER CAP ALOFT. STORM SPOTTER AND EMERGENCY MANAGEMENT GROUPS SHOULD STAY UP-TO-DATE ON WEATHER DEVELOPMENTS TODAY AND BE PREPARED FOR POSSIBLE ACTIVATION THIS AFTERNOON AND TONIGHT. BSC
Special weather statement, Jun 8, 12:32 PM CDT, 3 hours 23 minutes before
OKZ004>053-TXZ083>090-091200- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1230 PM CDT WED JUN 8 1994 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS PORTIONS OF NORTH-CENTRAL AND EAST-CENTRAL OKLAHOMA TO THE EAST OF A LINE FROM CHEROKEE TO GUTHRIE TO SEMINOLE. THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT FROM NORTHWESTERN OKLAHOMA THROUGH CENTRAL INTO SOUTHEASTERN OKLAHOMA. THE SLIGHT RISK AREA IS EAST OF A LINE FROM SHATTUCK TO ANADARKO TO WAURIKA. A COMPLICATED WEATHER PATTERN HAS DEVELOPED ACROSS OKLAHOMA THIS AFTERNOON WITH SEVERAL FEATURES THAT MAY SUPPORT SEVERE THUNDERSTORMS. AN OUTFLOW BOUNDARY FROM THUNDERSTORMS EARLIER THIS MORNING IN NORTHEASTERN OKLAHOMA EXTENDS FROM SOUTH OF TULSA TO NEAR KINGFISHER. THIS BOUNDARY INTERSECTS WITH A DRYLINE THAT EXTENDS FROM NORTHERN BLAINE COUNTY SOUTHWARD TO NEAR HOBART. THUNDERSTORMS MAY DEVELOP LATE THIS AFTERNOON ALONG THESE BOUNDARIES...BUT DEVELOPMENT IS UNCERTAIN BECAUSE OF A STRONG CAP OVER THE AREA. IF WIND CONVERGENCE ALONG THESE BOUNDARIES IS SUFFICIENT TO BREAK THE CAP...THEN THE RESULTING THUNDERSTORMS WILL QUICKLY BECOME SEVERE. IN ADDITION...AN EXTREMELY UNSTABLE ATMOSPHERE AND FAVOURABLE WIND SHEAR WILL LEAD TO THE POSSIBILITY OF SUPERCELLS AND TORNADOES. THUNDERSTORM DEVELOPMENT IS MORE LIKELY IN WESTERN AND CENTRAL KANSAS THIS AFTERNOON WHERE THE CAP IS WEAKER. THESE THUNDERSTORMS WILL LIKELY MOVE SOUTHEASTWARD INTO NORTH-CENTRAL AND EAST-CENTRAL OKLAHOMA TONIGHT. THE AREA MOST LIKELY TO EXPERIENCE THIS ACTIVITY IS ACROSS THE MODERATE RISK AREA. STRONG WINDS AND VERY LARGE HAIL WILL BE THE MAIN WEATHER THREAT FROM THESE STORMS...BUT THE POSSIBILITY OF WEAK TORNADOES ALSO EXISTS. IN SOUTHWESTERN OKLAHOMA AND THE WESTERN PARTS OF NORTH TEXAS...SEVERE THUNDERSTORM DEVELOPMENT IS NOT LIKELY DUE TO DRY AIR BEHIND THE DRYLINE AND A STRONGER CAP ALOFT. STORM SPOTTER AND E<MERGENCY MANAGEMENT GROUPS SHOULD STAY UP-TO-DATE ON WEATHER DEVELOPMENTS TODAY AND BE PREPARED FOR POSSIBLE ACTIVATION THIS AFTERNOON AND TONIGHT. BSC
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 2:15 PM CDT | Flash Flood Warning | OUN | Grady | 2 hr |
| Jun 8, 3:55 PM CDT | Flash Flood Warning | OUN | Grady, Stephens | 110 min |
Nearby
Flash Flood Warnings in Oklahoma, 1994Every flash flood warning in 1994
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.