Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 270, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Sep 1, 2014, 9:46 PM CDT for Blaine County, Kingfisher County, Oklahoma. It was in force for 44 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
- Sep 1, 2014, 9:46 PM CDT (02:46 UTC)
- Expired
- Sep 1, 2014, 10:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Blaine County, OK, Kingfisher County, OK
The radar
The Vance AFB radar (KVNX), 93 km from the middle of the area, began a volume at 02:49 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 1, 9:42 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 2.8 hours before the alert went out and 105 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
- 2416 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1830 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 287 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 10.7
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 Sep 1, 9:31 PM CDT, 15 minutes earlier.
Area forecast discussion, Sep 1, 9:31 PM CDT, 15 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>Hazardous weather outlook, Sep 1, 4:30 PM CDT, 5 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATE NATIONAL WEATHER SERVICE NORMAN OK 430 PM CDT MON SEP 1 2014 OKZ004>048-050>052-TXZ083>090-021000- HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD- NOBLE-ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE- BECKHAM-WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN- CLEVELAND-POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON- TILLMAN-COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON- JEFFERSON-CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN- FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY- 430 PM CDT MON SEP 1 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN... WESTERN...CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT... .THUNDERSTORMS... SCATTERED SEVERE THUNDERSTORMS ARE EXPECTED. .LOCATION... NORTH-CENTRAL OKLAHOMA. PRIMARILY NORTHEAST OF A LINE EXTENDING FROM ALVA AND FAIRVIEW TO STILLWATER. .TIMING... 5 PM THROUGH THIS EVENING. .IMPACTS... THE PRIMARY IMPACTS WILL BE HAIL THE SIZE OF TENNIS BALLS AND DAMAGING WIND GUSTS 65 TO 75 MPH. .DISCUSSION... SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS FAR NORTH CENTRAL OKLAHOMA AND SOUTHERN KANSAS THROUGH THE EARLY EVENING HOURS. MOVEMENT WILL BE TO THE EAST AND SOUTHEAST. IF ENOUGH STORMS CAN DEVELOP AND CREATE ENOUGH OUTFLOW...THIS OUTFLOW MAY SURGE SOUTHWARD INTO CENTRAL OKLAHOMA LATE THIS EVENING AND OVERNIGHT...ALLOWING A FEW STORMS TO APPROACH THE OKC METRO. THE SEVERE WEATHER THREAT WILL DECREASE WITH TIME AFTER 9 PM. .SPOTTER AND EMERGENCY MANAGEMENT INFORMATION STATEMENT... STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS NORTHERN AND CENTRAL OKLAHOMA SHOULD BE PREPARED FOR ACTIVATION THIS EVENING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... .THUNDERSTORMS... SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE ACROSS NORTHERN AND CENTRAL PARTS OF OKLAHOMA TUESDAY AND TUESDAY NIGHT. GUSTY WINDS AND FREQUENT CLOUD TO GROUND LIGHTNING WILL BE THE MAIN CONCERNS. THUNDERSTORM CHANCES WILL RETURN THURSDAY NIGHT AND CONTINUE THROUGH SUNDAY AS A COLD FRONT TRIES TO MAKE PROGRESS OVER THE REGION. .HEAT... IT WILL BE HOT THIS WEEK WHEN AFTERNOON TEMPERATURES RANGE FROM THE MIDDLE 90S TO JUST OVER 100 DEGREES. HEAT INDEX VALUES WILL AVERAGE 100 TO 105. IF YOU HAVE PLANS TO BE OUTDOORS...FOLLOW HEAT SAFETY GUIDELINES. GET GRAPHICS AND MORE DETAILS AT WEATHER.GOV/NORMAN...AND FOLLOW OUR WEATHER FORECAST OFFICE ON TWITTER AND FACEBOOK. 11
In the hours before
Local storm report, Sep 1, 7:32 PM CDT, 2 hours 14 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>Special weather statement, Sep 1, 7:33 PM CDT, 2 hours 13 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>Local storm report, Sep 1, 8:17 PM CDT, 1 hour 29 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>Local storm report, Sep 1, 8:46 PM CDT, 1 hour before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
846 PM CDT MON SEP 01 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0828 PM HAIL CHILOCCO 36.98N 97.07W
09/01/2014 E1.00 INCH KAY OK EMERGENCY MNGR
IN CHILOCCO UP TO KANSAS BORDER.
&&
MAHALELocal storm report, Sep 1, 9:01 PM CDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
901 PM CDT MON SEP 01 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0858 PM HAIL 2 NW ENID 36.43N 97.91W
09/01/2014 E1.00 INCH GARFIELD OK PUBLIC
&&
MAHALELocal storm report, Sep 1, 9:04 PM CDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
904 PM CDT MON SEP 01 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0900 PM HAIL 2 W ENID 36.40N 97.92W
09/01/2014 E1.00 INCH GARFIELD OK EMERGENCY MNGR
&&
MAHALEThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 7:11 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Garfield, Grant, Major | 49 min |
| Sep 1, 7:33 PM CDT | Special Weather Statement | OUN | Kay | 27 min |
| Sep 1, 7:47 PM CDT | Severe Thunderstorm Warning | OUN | Grant, Kay | 43 min |
| Sep 1, 7:54 PM CDT | Areal Flood Advisory | OUN | Alfalfa, Garfield, Major | 3 hr |
| Sep 1, 7:59 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Garfield, Major | 46 min |
| Sep 1, 8:25 PM CDT | Severe Thunderstorm Warning | OUN | Kay | 50 min |
| Sep 1, 8:44 PM CDT | Severe Thunderstorm Warning | OUN | Garfield | 46 min |
| Sep 1, 8:56 PM CDT | Areal Flood Advisory | OUN | Garfield | 3 hr |
| Sep 1, 9:01 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Kingfisher, Major | 44 min |
| Sep 1, 9:31 PM CDT | Severe Thunderstorm Warning | OUN | Garfield | 33 min |
| Sep 1, 10:41 PM CDT | Special Weather Statement | OUN | Kingfisher | 34 min |
| Sep 2, 12:44 AM CDT | Special Weather Statement | OUN | Kiowa | 31 min |
| Sep 2, 1:21 AM CDT | Special Weather Statement | OUN | Comanche | 24 min |
| Sep 2, 1:50 AM CDT | Special Weather Statement | OUN | Comanche | 25 min |
| Sep 2, 4:19 AM CDT | Special Weather Statement | OUN | Grant | 26 min |
| Sep 2, 4:50 AM CDT | Special Weather Statement | OUN | Kay | 40 min |
| Sep 2, 5:22 AM CDT | Special Weather Statement | OUN | Kay | 23 min |
| Sep 2, 10:29 AM CDT | Areal Flood Advisory | OUN | Lincoln, Payne | 2 hr |
| Sep 2, 12:29 PM CDT | Areal Flood Advisory | OUN | Lincoln | 2 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2014Every severe thunderstorm warning in 2014
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.