Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 67, NWS Norman, OK

April 21, 2005Cotton County, Jefferson County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Apr 21, 2005, 12:23 AM CDT for Cotton County, Jefferson County, Oklahoma. It was in force for 52 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: Apr 21, 2005, 12:23 AM CDT (05:23 UTC)
Expired: Apr 21, 2005, 1:15 AM CDT
In force: 52 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

Counties Cotton County, OK, Jefferson County, OK

The radar

The Altus AFB radar (KFDR), 82 km from the middle of the area, began a volume at 05:25 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 Apr 20, 9:22 PM CDT, 3 hours 1 minute earlier.

Area forecast discussion, Apr 20, 9:22 PM CDT, 3 hours 1 minute before

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Hazardous weather outlook, Apr 20, 7:35 PM CDT, 4 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE NORMAN OK
735 PM CDT WED APR 20 2005

OKZ004>048-050>052-TXZ083>090-211200-

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 OF SEVERE THUNDERSTORMS THROUGH THIS EVENING
ACROSS WESTERN OKLAHOMA AND PARTS OF WESTERN NORTH TEXAS.

LOCATION...
WEST OF A LINE FROM MEDFORD... TO WATONGA... TO LAWTON OKLAHOMA...
AND TO AREAS JUST EAST OF WICHITA FALLS TEXAS.

TIMING...
SEVERE THUNDERSTORMS WILL CONTINUE THROUGH THE EARLY EVENING.

IMPACTS...
THE PRIMARY THREAT WITH THE STORMS WILL BE DAMAGING WINDS...WITH THE
MOST INTENSE STORMS CAPABLE OF PRODUCING DAMAGING HURRICANE FORCE
WINDS. HAIL UP TO GOLFBALL SIZE IS ALSO POSSIBLE.

RECOMMENDED ACTIONS...
STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS
THE RISK AREA CAN BE EXPECT TO BE INVOLVED IN SEVERE WEATHER
OPERATIONS THROUGH THE EARLY EVENING HOURS.

DISCUSSION...
SEVERE THUNDERSTORMS CONTINUE ACROSS FAR WESTERN OKLAHOMA...AND
WILL EVENTUALLY AFFECT PARTS OF WESTERN NORTH TEXAS.

FOR COMPLETE DETAILS CONCERNING THE LOCATION...DEVELOPMENT AND
MOVEMENT OF WEATHER FEATURES...REFER TO THE LATEST REGIONAL WEATHER
DISCUSSION...OR CHECK THE NWS NORMAN WEBSITE...WEATHER.GOV/NORMAN...
FOR GRAPHICS CONCERNING THIS DEVELOPING WEATHER SITUATION.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT THURSDAY APR 21.
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...THURSDAY THROUGH TUESDAY...

THUNDERSTORM OUTLOOK...
THERE IS A RISK OF SEVERE THUNDERSTORMS ACROSS MUCH OF CENTRAL AND
EASTERN OKLAHOMA ON THURSDAY...AS THE DRY LINE AND A COLD FRONT SWEEP ACROSS
THE AREA.

THE NEXT CHANCE FOR THUNDERSTORMS IS SUNDAY NIGHT INTO TUESDAY.

OTHER HAZARDOUS WEATHER...
NONE.

THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT 7 AM
THURSDAY.

A GRAPHICAL OUTLOOK CAN BE FOUND ON THE WEB AT WEATHER.GOV/NORMAN.

SMITH

In the hours before

Local storm report, Apr 20, 9:59 PM CDT, 2 hours 24 minutes before

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Special weather statement, Apr 20, 10:24 PM CDT, 1 hour 59 minutes before

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Special weather statement, Apr 20, 10:33 PM CDT, 1 hour 50 minutes before

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Special weather statement, Apr 20, 11:05 PM CDT, 1 hour 18 minutes before

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Special weather statement, Apr 20, 11:38 PM CDT, 45 minutes before

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Special weather statement, Apr 21, 12:09 AM CDT, 14 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
Apr 20, 7:08 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson	52 min
Apr 20, 7:12 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Roger Mills	48 min
Apr 20, 7:41 PM CDT	Severe Thunderstorm Warning	OUN	Harper	64 min
Apr 20, 7:48 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey, Washita	57 min
Apr 20, 7:59 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Jackson, Kiowa	46 min
Apr 20, 8:00 PM CDT	Severe Thunderstorm Warning	OUN	Harmon	45 min
Apr 20, 8:43 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Tillman	47 min
Apr 20, 8:45 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Washita	30 min
Apr 20, 8:51 PM CDT	Flash Flood Warning	OUN	Harmon, Jackson	3 hr
Apr 20, 9:16 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Kiowa	44 min
Apr 20, 9:21 PM CDT	Severe Thunderstorm Warning	OUN	Harmon	39 min
Apr 20, 9:27 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	33 min
Apr 20, 9:55 PM CDT	Severe Thunderstorm Warning	OUN	Harmon, Jackson	65 min
Apr 20, 10:03 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	42 min
Apr 20, 10:43 PM CDT	Severe Thunderstorm Warning	OUN	Grant	47 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2005 Every severe thunderstorm warning in 2005

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.