Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 174, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jun 12, 2014, 12:45 AM CDT for 11 counties in Oklahoma. It was in force for 45 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
- Jun 12, 2014, 12:45 AM CDT (05:45 UTC)
- Expired
- Jun 12, 2014, 1:30 AM CDT
- In force
- 45 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Alfalfa County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Noble County, OK
The radar
The Vance AFB radar (KVNX), 66 km from the middle of the area, began a volume at 05:45 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 |
|---|---|---|---|
| Jun 11, 9:49 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 5.8 hours before the alert went out and 115 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
- 1021 J/kg
- Mixed-layer CIN
- -307 J/kg
- Mixed-layer LCL
- 1980 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 12, 12:42 AM CDT, 3 minutes earlier.
Area forecast discussion, Jun 12, 12:42 AM CDT, 3 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORMAN OK 1224 PM CDT WED JUN 11 2014 OKZ004>048-050>052-TXZ083>090-121730- 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- 1224 PM CDT WED JUN 11 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN... WESTERN...CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS. .DAY ONE...TODAY AND TONIGHT... .THUNDERSTORMS... THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS TONIGHT ACROSS MOST OF OKLAHOMA AND PORTIONS OF WESTERN NORTH TEXAS. LOCATION... THE SLIGHT RISK AREA EXTENDS NORTH OF A LINE FROM TISHOMINGO TO FREDERICK...AND WEST OF A LINE FROM FREDERICK TO SEYMOUR TEXAS. TIMING... THE MOST LIKELY TIME FOR SEVERE STORMS WILL BE AFTER 10 PM TONIGHT AND BEFORE 8 AM TOMORROW. IMPACTS... DAMAGING WIND GUSTS NEAR 60 TO 70 MPH... LARGE HAIL UP TO THE SIZE OF GOLF BALLS... HEAVY RAINFALL UP TO 2 INCHES WHICH MAY RESULT IN LOCALIZED FLASH FLOODING... DISCUSSION... LATE THIS AFTERNOON AND EVENING...ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP OVER THE HIGH PLAINS OF KANSAS AND TEXAS AHEAD OF A LOW PRESSURE DISTURBANCE. AS THESE STORMS MOVE EAST OR SOUTHEAST THIS EVENING...THEY ARE EXPECTED TO GROW INTO AT LEAST ONE LARGE COMPLEX. THE MOST LIKELY AREA TO EXPERIENCE SEVERE WEATHER WILL BE ACROSS NORTHERN OKLAHOMA. .SPOTTER AND EMERGENCY MANAGEMENT STATEMENT... STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD PREPARE FOR SEVERE WEATHER OPERATIONS TONIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... .THUNDERSTORMS... A FEW STRONG TO SEVERE STORMS WITH DAMAGING WINDS...LARGE HAIL... AND HEAVY RAINFALL MAY LINGER INTO THURSDAY ACROSS THE SOUTHEASTERN QUARTER OF OKLAHOMA. ADDITIONAL STORMS MAY OCCUR SATURDAY AFTERNOON THROUGH MONDAY. GET GRAPHICS AND MORE DETAILS AT WEATHER.GOV/NORMAN...AND FOLLOW OUR WEATHER FORECAST OFFICE ON TWITTER AND FACEBOOK.
In the hours before
Local storm report, Jun 11, 11:05 PM CDT, 1 hour 40 minutes before
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</html>Local storm report, Jun 11, 11:25 PM CDT, 1 hour 20 minutes before
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</html>Special weather statement, Jun 11, 11:36 PM CDT, 1 hour 9 minutes before
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</html>Local storm report, Jun 11, 11:49 PM CDT, 56 minutes before
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 9:42 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Harper | 48 min |
| Jun 11, 10:25 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Harper, Woods, Woodward | 50 min |
| Jun 11, 11:14 PM CDT | Severe Thunderstorm Warning | OUN | Dewey, Ellis, Major, Roger Mills, Woods, Woodward | 46 min |
| Jun 11, 11:36 PM CDT | Special Weather Statement | OUN | Alfalfa, Woods | 39 min |
| Jun 11, 11:55 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Custer, Dewey, Ellis, Kingfisher, Major and 2 more | 50 min |
| Jun 12, 12:05 AM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Grant, Woods | 40 min |
| Jun 12, 12:40 AM CDT | Severe Thunderstorm Warning | OUN | Ellis, Roger Mills | 35 min |
| Jun 12, 12:48 AM CDT | Special Weather Statement | OUN | Custer, Washita | 27 min |
| Jun 12, 1:12 AM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Canadian, Cleveland, Garfield, Grady and 8 more | 48 min |
| Jun 12, 1:29 AM CDT | Special Weather Statement | OUN | Custer | 46 min |
| Jun 12, 1:37 AM CDT | Areal Flood Advisory | OUN | Custer, Dewey, Ellis, Roger Mills, Woodward | 113 min |
| Jun 12, 1:48 AM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian, Cleveland, Comanche, Garfield, Grady and 9 more | 42 min |
| Jun 12, 2:28 AM CDT | Severe Thunderstorm Warning | OUN | Canadian, Cleveland, Garvin, Grady, Hughes, Lincoln and 9 more | 47 min |
| Jun 12, 3:14 AM CDT | Special Weather Statement | OUN | Garvin, Murray, Pottawatomie, Seminole, Stephens | 31 min |
| Jun 12, 3:51 AM CDT | Special Weather Statement | OUN | Carter, Coal, Garvin, Hughes, Jefferson, Johnston and 3 more | 24 min |
| Jun 12, 3:55 AM CDT | Special Weather Statement | OUN | Canadian | 35 min |
| Jun 12, 4:19 AM CDT | Special Weather Statement | OUN | Atoka, Carter, Coal, Hughes, Johnston, Love and 2 more | 26 min |
| Jun 12, 4:28 AM CDT | Special Weather Statement | OUN | Canadian | 32 min |
| Jun 12, 4:43 AM CDT | Special Weather Statement | OUN | Atoka, Bryan, Coal, Johnston, Marshall | 32 min |
| Jun 12, 5:04 AM CDT | Special Weather Statement | OUN | Canadian, Oklahoma | 26 min |
| Jun 12, 5:26 AM CDT | Special Weather Statement | OUN | Bryan | 34 min |
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.