Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 287, NWS Norman, OK

June 1, 2011Harper County, Woods County, Woodward County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 1, 2011, 4:52 AM CDT for Harper County, Woods County, Woodward County, Oklahoma. It was in force for 41 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 1, 2011, 4:52 AM CDT (09:52 UTC)
Expired: Jun 1, 2011, 5:33 AM CDT
In force: 41 min
Issued by: NWS Norman, OK
Area: Storm-based polygon

Counties Harper County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 102 km from the middle of the area, began a volume at 09:52 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 Jun 1, 2:52 AM CDT, 2 hours earlier.

Area forecast discussion, Jun 1, 2:52 AM CDT, 2 hours before

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Hazardous weather outlook, May 31, 9:30 PM CDT, 7 hours 22 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
930 PM CDT TUE MAY 31 2011

OKZ004>048-050>052-TXZ083>090-011000-
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-
930 PM CDT TUE MAY 31 2011

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

.DAY ONE...TONIGHT...

THUNDERSTORM OUTLOOK...
THERE IS A RISK OF SEVERE THUNDERSTORMS ACROSS PARTS
OF SOUTHWEST OKLAHOMA AND ADJACENT PARTS OF NORTH TEXAS.

LOCATION...
THE RISK AREA IS GENERALLY WEST OF A LINE FROM ERICK TO QUANAH TO
BENJAMIN.

DISCUSSION...
SCATTERED SHOWERS AND THUNDERSTORMS WILL FORM ACROSS PARTS OF THE
TEXAS PANHANDLE TONIGHT AS WARM...MOIST AIR LIFTS NORTHWARD IN
ADVANCE OF AN UPPER-LEVEL DISTURBANCE.  SOME OF THESE STORMS MAY
DEVELOP OR MOVE INTO WESTERN OKLAHOMA AND NORTH TEXAS FROM THE LATE
EVENING INTO THE OVERNIGHT HOURS.  ELEVATED INSTABILITY WILL BE
SUFFICIENT FOR A FEW SEVERE THUNDERSTORMS WITH HAIL TO THE SIZE OF
GOLFBALLS AND WINDS TO 60 MPH.  THE STORMS WILL BE SLOW MOVING
THEREFORE LOCALLY HEAVY RAINFALL MAY ALSO OCCUR.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT WEDNESDAY JUNE 1.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...70 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...50 PERCENT.

OTHER HAZARDOUS WEATHER...
NONE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

THUNDERSTORM OUTLOOK...
SCATTERED THUNDERSTORMS WILL BE POSSIBLE IN NORTHERN OKLAHOMA
WEDNESDAY. THE THREAT FOR SEVERE STORMS WILL REMAIN LOW. DRY WEATHER
IS EXPECTED THROUGH THE LATE PART OF THE WEEK WITH SCATTERED
THUNDERSTORMS POSSIBLE AGAIN IN SOUTHEAST OKLAHOMA SUNDAY AND
MONDAY.

OTHER HAZARDOUS WEATHER...
NONE.

THE NEXT HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT 5 AM WEDNESDAY.

In the hours before

Special weather statement, Jun 1, 3:47 AM CDT, 1 hour 5 minutes before

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Special weather statement, Jun 1, 4:16 AM CDT, 36 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
Jun 1, 3:47 AM CDT	Special Weather Statement	OUN	Ellis	28 min
Jun 1, 4:16 AM CDT	Special Weather Statement	OUN	Harper	44 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2011 Every severe thunderstorm warning in 2011

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.