Alert archive / Oklahoma / Red Flag Warnings in 2008

Red Flag Warning 6, NWS Norman, OK

January 30, 200848 counties in Oklahoma; 8 counties in Texas

NWS Norman, OK issued this red flag warning at Jan 30, 2008, 4:43 AM CST for 48 counties in Oklahoma; 8 counties in Texas. It took effect at Jan 30, 2008, 11:00 AM CST. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 30, 2008, 4:43 AM CST (10:43 UTC)
In effect from: Jan 30, 2008, 11:00 AM CST
Expired: Jan 30, 2008, 6:00 PM CST
In force: 7 hr
Issued by: NWS Norman, OK

All 56 counties

Alfalfa County, OK, Atoka County, OK, Beckham County, OK, Blaine County, OK, Bryan County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Hughes County, OK, Jackson County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Major County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Roger Mills County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Norman radar (KTLX), 81 km from the middle of the area, began a volume at 10:48 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 10.7 hours before the alert went out and 67 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: 2236 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: -63 m²/s²
0-3 km storm-relative helicity: -90 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 red flag 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 red flag warning went out at Jan 30, 4:42 AM CST, 1 minute earlier.

Area forecast discussion, Jan 30, 4:42 AM CST, 1 minute before

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Hazardous weather outlook, Jan 29, 11:09 AM CST, 17 hours 34 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1109 AM CST TUE JAN 29 2008

OKZ004>048-050>052-TXZ083>090-301300-
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-
1109 AM CST TUE JAN 29 2008

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

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

THUNDERSTORM OUTLOOK...
THUNDERSTORMS ARE NOT EXPECTED THROUGH TONIGHT.

DISCUSSION...
THE DRY AIR MOVING INTO THE REGION BEHIND THE COLD FRONT THAT MOVED
ACROSS THE AREA THIS MORNING WILL PREVENT THUNDERSTORM DEVELOPMENT
THROUGH TONIGHT.

PROBABILITY TABLE...
VALID THROUGH 700 AM CST WEDNESDAY JAN 30.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...0 PERCENT.

OTHER HAZARDOUS WEATHER...
STRONG GUSTY NORTHWEST WINDS WILL CONTINUE ACROSS OKLAHOMA AND
WESTERN NORTH TEXAS THIS AFTERNOON. SOME WIND GUSTS OVER 50 MPH WILL
OCCUR THROUGH THE EARLY AFTERNOON HOURS.  THE STRONG WINDS WILL ALSO
COMBINE WITH LOW HUMIDITY VALUES TO CREATE DANGEROUS WILDFIRE
CONDITIONS. A WIND ADVISORY IS IN EFFECT FOR ALL OF OKLAHOMA AND
WESTERN NORTH TEXAS TODAY. A RED FLAG WARNING IS ALSO IN EFFECT FOR
OKLAHOMA AND WESTERN NORTH TEXAS.

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

THUNDERSTORM OUTLOOK...
THUNDERSTORMS ARE NOT EXPECTED WEDNESDAY THROUGH MONDAY.

OTHER HAZARDOUS WEATHER...
STRONG SOUTH WINDS WILL DEVELOP WEDNESDAY AS AN AREA OF LOW PRESSURE
DEVELOPS OVER EASTERN COLORADO. THE STRONG WINDS AND LOW HUMIDITY
VALUES WILL MAKE WILDFIRE CONTAINMENT VERY DIFFICULT. A FIRE WEATHER
WATCH IS IN EFFECT FOR WESTERN AND CENTRAL OKLAHOMA AND WESTERN
NORTH TEXAS WEDNESDAY AFTERNOON.

A STORM SYSTEM WILL BRING ANOTHER COLD FRONT TO THE REGION THURSDAY.
SNOW WILL BE LIKELY WITH THIS SYSTEM ACROSS PARTS OF NORTHERN AND
CENTRAL OKLAHOMA. SNOW ACCUMULATIONS OF ONE TO THREE INCHES WILL BE
POSSIBLE NEAR AND NORTH OF THE INTERSTATE 40 CORRIDOR... WITH THE
HIGHEST ACCUMULATIONS EXPECTED IN NORTH CENTRAL OKLAHOMA.

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

MAXWELL

In the hours before

Special weather statement, Jan 30, 4:00 AM CST, 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
400 AM CST WED JAN 30 2008

OKZ004>048-050>052-TXZ083>090-302200-
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-
400 AM CST WED JAN 30 2008

...MORE WINTER PRECIPITATION POSSIBLE LATE TONIGHT AND THURSDAY...

STRONG SOUTHERLY WINDS AND WARMER TEMPERATURES ARE EXPECTED ACROSS
OKLAHOMA AND NORTH TEXAS TODAY...BUT ANOTHER STRONG STORM SYSTEM
WILL BRING A RETURN OF COLD TEMPERATURES TO THE AREA TONIGHT AND
THURSDAY...WITH THE POSSIBILITY OF SNOW ACROSS PARTS OF OKLAHOMA.

AS AN UPPER LEVEL STORM SYSTEM APPROACHES THE AREA FROM THE CENTRAL
ROCKIES...LIGHT SNOW IS EXPECTED TO DEVELOP OVER NORTHWEST OKLAHOMA
LATE TONIGHT. THE SNOW IS THEN EXPECTED TO SPREAD EASTWARD INTO
PARTS OF CENTRAL AND NORTHERN OKLAHOMA THURSDAY AS THE UPPER LEVEL
STORM SYSTEM MOVES RAPIDLY EASTWARD.

SNOW ACCUMULATIONS OF 1 TO 3 INCHES WILL BE POSSIBLE BY LATE
THURSDAY AFTERNOON IN NORTHERN AND CENTRAL OKLAHOMA...MAINLY IN
AREAS TO THE NORTH OF INTERSTATE 40. IN ADDITION...STRONG NORTHERLY
WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS WILL ACCOMPANY THE SNOW
RESULTING IN AREAS OF BLOWING AND DRIFTING SNOW AND RESTRICTED
VISIBILITY.

PEOPLE TRAVELING LATE TONIGHT AND THURSDAY...ESPECIALLY ACROSS THE
NORTHERN HALF OF OKLAHOMA...SHOULD BE PREPARED FOR THE POSSIBILITY
OF WINTER DRIVING CONDITIONS AND MONITOR THE LATEST FORECASTS FOR
UPDATES ON THIS DEVELOPING WEATHER SYSTEM.

02/30

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 30, 4:10 AM CST	Wind Advisory	OUN	Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 32 more	14 hr
Jan 30, 2:26 PM CST	Snow and Blowing Snow Advisory	OUN	Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 27 more	25 hr
Jan 30, 3:03 PM CST	Wind Advisory	OUN	Atoka, Bryan, Carter, Cleveland, Coal, Comanche and 16 more	25 hr

Nearby

Red Flag Warnings in Oklahoma, 2008 Red Flag Warnings in Texas, 2008 Every red flag warning in 2008

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.