Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 313, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Oct 12, 2014, 8:11 PM CDT for 4 counties in Oklahoma. It was in force for 49 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
- Oct 12, 2014, 8:11 PM CDT (01:11 UTC)
- Expired
- Oct 12, 2014, 9:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Blaine County, OK, Caddo County, OK, Custer County, OK, Washita County, OK
The radar
The Altus AFB radar (KFDR), 128 km from the middle of the area, began a volume at 01:14 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 |
|---|---|---|---|
| Oct 12, 3:48 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 1.2 hours before the alert went out and 122 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
- 51 J/kg
- Mixed-layer CIN
- -430 J/kg
- Mixed-layer LCL
- 1221 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 352 m²/s²
- 0-3 km storm-relative helicity
- 337 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Oct 12, 6:29 PM CDT, 1 hour 42 minutes earlier.
Area forecast discussion, Oct 12, 6:29 PM CDT, 1 hour 42 minutes before
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</html>Hazardous weather outlook, Oct 12, 7:59 PM CDT, 12 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE NORMAN OK 759 PM CDT SUN OCT 12 2014 OKZ004>048-050>052-TXZ083>090-140100- 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- 759 PM CDT SUN OCT 12 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN... WESTERN...CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS. .DAY ONE...TONIGHT... .THUNDERSTORMS... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS OKLAHOMA AND WESTERN NORTH TEXAS. TIMING... STORMS HAVE DEVELOPED ACROSS WESTERN OKLAHOMA...AND WILL SPREAD EAST AND SOUTHEAST THROUGH THE EVENING AND OVERNIGHT HOURS...EXITING FAR SOUTHEAST OKLAHOMA BY SUNRISE MONDAY. IMPACTS... DAMAGING WIND GUSTS OF 60 MPH TO 80 MPH... HAIL UP TO THE SIZE OF HALF-DOLLARS... RECOMMENDED ACTIONS... STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE RISK AREA SHOULD CONTINUE TO PLAN FOR SEVERE WEATHER OPERATIONS TONIGHT. DISCUSSION... A POTENT STORM SYSTEM WILL DIVE SOUTHWARD INTO THE SOUTHERN PLAINS TONIGHT INTO MONDAY. AS THIS OCCURS...A FRONT WILL SURGE SOUTHWARD OVER OKLAHOMA AND NORTHERN TEXAS...SETTING THE STAGE FOR WIDESPREAD THUNDERSTORMS. ISOLATED TO NUMEROUS THUNDERSTORMS OVER WESTERN OKLAHOMA AND WESTERN NORTH TEXAS WILL DEVELOP INTO A SOUTHWEST TO NORTHEAST ORIENTED SQUALL LINE BY MIDNIGHT. MOST OF THE SEVERE WIND GUSTS ARE EXPECTED WITH THE SQUALL LINE...WHICH IS EXPECTED TO MOVE INTO CENTRAL PORTIONS OF OKLAHOMA BY MIDNIGHT. GREATER MOISTURE AND INSTABILITY WILL BE SEEN ACROSS SOUTH-CENTRAL AND SOUTHEAST OKLAHOMA. THIS WILL PROMOTE THE HIGHEST POTENTIAL FOR SEVERE THUNDERSTORM ACTIVITY TONIGHT...MAINLY AFTER MIDNIGHT. .STRONG WINDS LATE TONIGHT... STRONG NORTHERLY WINDS ARE EXPECTED BEHIND THE COLD FRONT LATE TONIGHT...AFTER 4 AM IN WESTERN OKLAHOMA AND WESTERN NORTH TEXAS. SUSTAINED NORTH TO NORTHWEST WINDS OF 30 TO 35 MPH ARE EXPECTED...ALONG WITH OCCASIONAL GUSTS OF 40 TO 50 MPH. THIS MAY MAKE TRAVEL ON EAST TO WEST ORIENTED ROADWAYS DIFFICULT MUCH OF THE DAY ON MONDAY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... .THUNDERSTORMS... SHOWERS AND A FEW STORMS WILL BE ONGOING MAINLY EAST OF INTERSTATE-35 EARLY MONDAY MORNING. SEVERE WEATHER CHANCES WILL BE DIMINISHING QUICKLY DURING THE MORNING HOURS. .STRONG WINDS MONDAY... STRONG NORTHERLY WINDS ARE EXPECTED ON MONDAY. SUSTAINED WINDS OF 30 TO 35 MPH ARE EXPECTED...ALONG WITH OCCASIONAL GUSTS OF 40 TO 50 MPH. THIS WILL ESPECIALLY BE TRUE WEST OF INTERSTATE 35. THIS MAY MAKE TRAVEL ON EAST TO WEST ORIENTED ROADWAYS DIFFICULT MUCH OF THE DAY ON MONDAY. GET GRAPHICS AND MORE DETAILS AT WEATHER.GOV/NORMAN...AND FOLLOW OUR WEATHER FORECAST OFFICE ON TWITTER AND FACEBOOK. AUSTIN/11/MBS
In the hours before
Special weather statement, Oct 12, 6:55 PM CDT, 1 hour 16 minutes before
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</html>Special weather statement, Oct 12, 7:16 PM CDT, 55 minutes before
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</html>Local storm report, Oct 12, 7:44 PM CDT, 27 minutes before
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</html>Special weather statement, Oct 12, 7:46 PM CDT, 25 minutes before
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</html>Special weather statement, Oct 12, 7:57 PM CDT, 14 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 |
|---|---|---|---|---|
| Oct 12, 7:16 PM CDT | Special Weather Statement | OUN | Ellis, Harper | 44 min |
| Oct 12, 7:17 PM CDT | Special Weather Statement | OUN | Beckham | 43 min |
| Oct 12, 7:22 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Washita | 53 min |
| Oct 12, 7:46 PM CDT | Special Weather Statement | OUN | Beckham, Greer, Harmon, Jackson | 59 min |
| Oct 12, 7:57 PM CDT | Special Weather Statement | OUN | Woodward | 48 min |
| Oct 12, 8:22 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Harmon, Kiowa | 53 min |
| Oct 12, 8:24 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Harmon, Jackson | 51 min |
| Oct 12, 8:27 PM CDT | Special Weather Statement | OUN | Woods | 33 min |
| Oct 12, 8:37 PM CDT | Special Weather Statement | OUN | Washita | 38 min |
| Oct 12, 8:44 PM CDT | Special Weather Statement | OUN | Canadian | 46 min |
| Oct 12, 8:52 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Jackson, Kiowa, Tillman | 53 min |
| Oct 12, 8:58 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Greer, Kiowa, Washita | 47 min |
| Oct 12, 9:26 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa, Tillman | 64 min |
| Oct 12, 9:35 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Canadian, Kingfisher | 40 min |
| Oct 12, 9:46 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Kiowa, Washita | 44 min |
| Oct 12, 9:50 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Tillman | 40 min |
| Oct 12, 10:00 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 30 min |
| Oct 12, 10:09 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Canadian, Comanche, Cotton, Grady and 2 more | 68 min |
| Oct 12, 10:25 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Jefferson, Stephens, Tillman | 50 min |
| Oct 12, 10:56 PM CDT | Special Weather Statement | OUN | Cleveland, Logan, McClain, Noble, Oklahoma | 64 min |
| Oct 12, 11:14 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Garvin, Grady, Jefferson, McClain, Murray and 1 more | 31 min |
| Oct 12, 11:49 PM CDT | Special Weather Statement | OUN | Carter, Cleveland, Garvin, Johnston, Love, Marshall and 4 more | 56 min |
| Oct 13, 12:43 AM CDT | Special Weather Statement | OUN | Atoka, Bryan, Coal, Hughes, Johnston | 47 min |
| Oct 13, 12:47 AM CDT | Severe Thunderstorm Warning | OUN | Carter, Love, Marshall | 43 min |
| Oct 13, 1:03 AM CDT | Areal Flood Advisory | OUN | Bryan, Carter, Coal, Johnston, Love, Marshall | 117 min |
| Oct 13, 1:28 AM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan, Coal, Johnston, Love, Marshall | 62 min |
| Oct 13, 1:49 AM CDT | Areal Flood Advisory | OUN | Atoka, Bryan, Coal, Johnston | 116 min |
| Oct 13, 2:25 AM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan | 50 min |
| Oct 12, 8:53 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Knox | 52 min |
| Oct 12, 9:14 PM CDT | Special Weather Statement | OUN | Baylor | 31 min |
| Oct 12, 9:27 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Knox, Wilbarger | 34 min |
| Oct 12, 9:33 PM CDT | Special Weather Statement | OUN | Baylor | 27 min |
| Oct 12, 9:43 PM CDT | Special Weather Statement | OUN | Wilbarger | 32 min |
| Oct 12, 10:16 PM CDT | Special Weather Statement | OUN | Archer, Clay, Wichita | 44 min |
| Oct 12, 11:05 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor | 25 min |
| Oct 12, 11:31 PM CDT | Special Weather Statement | OUN | Archer, Clay | 29 min |
| Oct 13, 12:01 AM CDT | Special Weather Statement | OUN | Clay | 29 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.