Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 238, NWS Norman, OK

May 9, 2013Comanche County, Kiowa County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 9, 2013, 7:43 PM CDT for Comanche County, Kiowa County, Oklahoma. It was in force for 47 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: May 9, 2013, 7:43 PM CDT (00:43 UTC)
Expired: May 9, 2013, 8:30 PM CDT
In force: 47 min
Issued by: NWS Norman, OK
Area: Storm-based polygon

Counties Comanche County, OK, Kiowa County, OK

The radar

The Altus AFB radar (KFDR), 53 km from the middle of the area, began a volume at 00:45 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.

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 May 9, 6:19 PM CDT, 1 hour 24 minutes earlier.

Area forecast discussion, May 9, 6:19 PM CDT, 1 hour 24 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
619 PM CDT THU MAY 9 2013

.AVIATION...
0Z TAFS... SCATTERED SHOWERS/STORMS WILL AFFECT PARTS OF OK AND
WESTERN NORTH TEXAS TONIGHT INTO FRI MORNING. SHOWERS/STORMS MAY
LINGER INTO FRI AFTERNOON IN PARTS OF CENTRAL/SOUTHERN OK AND
WESTERN NORTH TEXAS BUT CHANCES TOO LOW FOR MENTION IN THE TAF.
STRONG AND VARIABLE WINDS AND HAIL COULD BE POSSIBLE WITH/NEAR ANY
OF THE STORMS TONIGHT INTO EARLY FRI.

&&

.PREV DISCUSSION... /ISSUED 252 PM CDT THU MAY 9 2013/

DISCUSSION...
COMPLEX WEATHER FORECAST THIS EVENING. MULTIPLE BOUNDARIES ARE IN
THE AREA AND CLOUDINESS HAS LIMITED WARMING. BUT MESOANALYSIS
SHOWS INSTABILITY HAS BEEN INCREASING AND CIN WEAKENING. 12Z OUN
SOUNDING SHOWED IT WOULD NOT TAKE MUCH WARMING TO ELIMINATE THE
CIN. WATER VAPOR SATELLITE ALSO SHOWS WHAT APPEARS TO BE A WAVE
MOVING THROUGH WEST TEXAS AND BEGINNING TO ENHANCE LIFT. OVERALL
RESULT SHOULD BE SCATTERED STORMS DEVELOPING THIS AFTERNOON AND
EVENING. INSTABILITY IS HIGH ENOUGH THAT SEVERE WEATHER WILL BE
POSSIBLE. STORM CHANCES WILL PERSIST INTO TOMORROW EVENING.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  55  76  51  73 /  50  20  10  10
HOBART OK         54  75  50  76 /  50  20  10  10
WICHITA FALLS TX  55  78  53  79 /  40  30  10  10
GAGE OK           49  71  48  74 /  30  10  10  20
PONCA CITY OK     56  73  50  74 /  50  20  10  20
DURANT OK         58  79  55  78 /  40  30  20   0

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
TX...NONE.
&&

25/25/25

Hazardous weather outlook, May 9, 11:55 AM CDT, 7 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1155 AM CDT THU MAY 9 2013

OKZ004>048-050>052-TXZ083>090-100000-
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-
1155 AM CDT THU MAY 9 2013

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

THUNDERSTORM OUTLOOK...
THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS MUCH OF OKLAHOMA AND
NORTH TEXAS.

LOCATION...THE SLIGHT RISK AREA IS SOUTH OF A LINE FROM HOLLIS TO ELK CITY
TO TALOGA TO MEDFORD.

TIMING...2 PM UNTIL MIDNIGHT

HAZARDS...LARGE HAIL TO BASEBALL DIAMETER...DAMAGING WIND...ISOLATED
TORNADOES.

DISCUSSION...
SURFACE MOISTURE WILL CONTINUE TO INCREASE THIS AFTERNOON SOUTH OF A
SLOWLY-MOVING COLD FRONT. CONVERGENCE ALONG THE FRONT...AND SURFACE HEATING
WITH ITS ASSOCIATED LOW-LEVEL INSTABILITY...WILL SUPPORT THE DEVELOPMENT
OF THUNDERSTORMS THIS AFTERNOON AND EVENING. STRONG INSTABILITY ALOFT WILL
THEN SUPPORT LARGE HAIL AND STRONG WINDS WITH MANY OF THE STORMS. SUPERCELL
STRUCTURES ARE EXPECTED IN SOME CASES...AND TORNADOES MAY OCCUR WITH THESE
STORMS...WHICH WILL BE MOST LIKELY ACROSS THE SOUTHWEST PARTS OF OKLAHOMA
AND WESTERN NORTH TEXAS THIS AFTERNOON. STORMS ARE EXPECTED TO WEAKEN WITHIN
SEVERAL HOURS AFTER SUNSET.

PROBABILITY TABLE...VALID THROUGH 700 AM CDT FRIDAY MAY 9.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...100 PERCENT.

OTHER HAZARDOUS WEATHER...
NONE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

THUNDERSTORM OUTLOOK...
THERE ARE LOW CHANCES FOR THUNDERSTORMS INTO THE WEEKEND. NONE ARE EXPECTED
TO BE SEVERE.

OTHER HAZARDOUS WEATHER...
NONE.

THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED BY 5 AM FRIDAY.

CMS

In the hours before

Special weather statement, May 9, 6:46 PM CDT, 57 minutes before

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Local storm report, May 9, 6:49 PM CDT, 54 minutes before

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Special weather statement, May 9, 6:49 PM CDT, 54 minutes before

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Special weather statement, May 9, 6:50 PM CDT, 53 minutes before

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Local storm report, May 9, 6:55 PM CDT, 48 minutes before

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Local storm report, May 9, 7:24 PM CDT, 19 minutes before

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The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 9, 7:01 PM CDT	Severe Thunderstorm Warning	OUN	Kiowa	44 min
May 9, 7:09 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Tillman	51 min
May 9, 7:50 PM CDT	Special Weather Statement	OUN	Canadian	25 min
May 9, 8:17 PM CDT	Special Weather Statement	OUN	Lincoln	28 min
May 9, 8:41 PM CDT	Special Weather Statement	OUN	Comanche	34 min
May 9, 10:44 PM CDT	Special Weather Statement	OUN	Cleveland	31 min
May 10, 12:22 AM CDT	Special Weather Statement	OUN	Greer, Harmon	38 min
May 10, 1:00 AM CDT	Special Weather Statement	OUN	Jackson	45 min
May 10, 1:45 AM CDT	Special Weather Statement	OUN	Tillman	30 min
May 10, 2:15 AM CDT	Special Weather Statement	OUN	Kiowa, Tillman	45 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2013 Every severe thunderstorm warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.