Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 285, NWS Norman, OK

May 26, 2006Woods County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 26, 2006, 12:44 AM CDT for Woods County, Oklahoma. It was in force for 46 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 26, 2006, 12:44 AM CDT (05:44 UTC)
Expired: May 26, 2006, 1:30 AM CDT
In force: 46 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

County Woods County, OK

The radar

The Vance AFB radar (KVNX), 66 km from the middle of the area, began a volume at 05:46 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
May 25, 8:20 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 5.7 hours before the alert went out and 125 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1011 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: -33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 25, 8:49 PM CDT, 3 hours 55 minutes earlier.

Area forecast discussion, May 25, 8:49 PM CDT, 3 hours 55 minutes before

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Hazardous weather outlook, May 25, 9:00 PM CDT, 3 hours 44 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
900 PM CDT THU MAY 25 2006

OKZ004>048-050>052-TXZ083>090-261200-
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-
900 PM CDT THU MAY 25 2006

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 STORMS TONIGHT ACROSS PARTS OF
NORTHERN OKLAHOMA.

LOCATION...
THE SLIGHT RISK AREA IS NORTH OF A LINE FROM WOODWARD TO ENID.

TIMING...
THE MOST LIKELY TIME FOR SEVERE WEATHER WILL BE BETWEEN 10 PM AND
SUNRISE.

IMPACTS...
WINDS TO 65 MPH AND QUARTER SIZE HAIL ARE POSSIBLE.

RECOMMENDED ACTIONS...
EMERGENCY MANAGERS AND STORM SPOTTER GROUPS ACROSS THE RISK AREA
SHOULD MONITOR FOR THE POSSIBILITY OF SEVERE WEATHER OVERNIGHT.

DISCUSSION...
A NEARLY STATIONARY FRONT IS LOCATED ACROSS SOUTHERN OKLAHOMA AND
EXTREME NORTHERN KANSAS ON THURSDAY EVENING. EAST WINDS NORTH OF THE
FRONT IN KANSAS HAVE HELPED TO PRODUCE THUNDERSTORMS IN SOUTHWEST
KANSAS. THESE THUNDERSTORMS WILL MOVE EAST AND SOUTHEAST NEAR AND
NORTH OF THIS STATIONARY FRONT. SOME OF THESE THUNDERSTORMS WILL
LIKELY AFFECT EXTREME NORTHERN OKLAHOMA OVERNIGHT. SOME SEVERE
WEATHER WILL BE POSSIBLE WITH THE STRONGER STORMS.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT FRIDAY MAY 26.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...60 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...50 PERCENT.

OTHER HAZARDOUS WEATHER...
NONE.

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

THUNDERSTORM OUTLOOK...
A FEW THUNDERSTORMS MAY LINGER INTO FRIDAY MORNING ACROSS NORTH
CENTRAL OKLAHOMA. THERE WILL ALSO BE A SLIGHT CHANCE OF
THUNDERSTORMS REDEVELOPING ACROSS EXTREME WESTERN OKLAHOMA FRIDAY
AFTERNOON NEAR A WEST TEXAS DRYLINE. ALTHOUGH SHEAR WILL BE WEAK...A
FEW STORMS MAY APPROACH SEVERE LEVELS. OTHERWISE...THE DRYLINE IS
FORECAST TO REMAIN CLOSE TO AREA SATURDAY THROUGH MONDAY...
SUPPORTING CONTINUED THUNDERSTORM CHANCES ACROSS WESTERN OKLAHOMA
AND WESTERN NORTH TEXAS.

OTHER HAZARDOUS WEATHER...
NONE.

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

In the hours before

Local storm report, May 25, 8:25 PM CDT, 4 hours 19 minutes before

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Special weather statement, May 25, 11:11 PM CDT, 1 hour 33 minutes before

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Special weather statement, May 25, 11:19 PM CDT, 1 hour 25 minutes before

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Special weather statement, May 25, 11:46 PM CDT, 58 minutes before

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Special weather statement, May 26, 12:15 AM CDT, 29 minutes before

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Special weather statement, May 26, 12:40 AM CDT, 4 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 25, 7:12 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	24 min
May 25, 7:40 PM CDT	Severe Thunderstorm Warning	OUN	Harper	50 min
May 25, 11:55 PM CDT	Severe Thunderstorm Warning	OUN	Woods	50 min
May 26, 1:12 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa	48 min
May 26, 3:28 AM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	47 min
May 26, 4:59 AM CDT	Severe Thunderstorm Warning	OUN	Kay	46 min
May 26, 5:16 AM CDT	Flash Flood Warning	OUN	Grant, Kay	119 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2006 Every severe thunderstorm warning in 2006

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.