Alert archive / Oklahoma / Freeze Warnings in 2011

Freeze Warning 1, NWS Norman, OK

April 15, 201130 counties in Oklahoma; Hardeman County, Wichita County, Wilbarger County, Texas

NWS Norman, OK issued this freeze warning at Apr 15, 2011, 5:35 PM CDT for 30 counties in Oklahoma; Hardeman County, Wichita County, Wilbarger County, Texas. It took effect at Apr 16, 2011, 3:00 AM CDT. It was in force for 86 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 15, 2011, 5:35 PM CDT (22:35 UTC)
In effect from: Apr 16, 2011, 3:00 AM CDT
Expired: Apr 16, 2011, 4:26 AM CDT
In force: 86 min
Issued by: NWS Norman, OK

All 33 counties

Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Logan County, OK, Major County, OK, Noble County, OK, Payne County, OK, Roger Mills County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Hardeman County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Norman radar (KTLX), 125 km from the middle of the area, began a volume at 22:33 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 freeze 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 freeze warning went out at Apr 15, 2:16 PM CDT, 3 hours 19 minutes earlier.

Area forecast discussion, Apr 15, 2:16 PM CDT, 3 hours 19 minutes before

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Hazardous weather outlook, Apr 15, 11:59 AM CDT, 5 hours 36 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1159 AM CDT FRI APR 15 2011

OKZ004>048-050>052-TXZ083>090-161000-
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-
1159 AM CDT FRI APR 15 2011

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.

DISCUSSION...
A COLD UPPER LOW WILL MOVE ACROSS KANSAS TODAY. AS THIS OCCURS...
LIGHT RAIN SHOWERS WILL OCCUR ACROSS PORTIONS OF NORTHERN INTO
CENTRAL OKLAHOMA. HOWEVER...DRY AND COOL LOW LEVEL AIR WILL PRECLUDE
THUNDERSTORM DEVELOPMENT.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT SATURDAY APR 16.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...5 PERCENT.

OTHER HAZARDOUS WEATHER...
AN INTENSE AREA OF LOW PRESSURE WILL MOVE VERY SLOWLY EAST ACROSS
KANSAS TODAY. THIS WILL RESULT IN VERY STRONG NORTH TO NORTHWEST
WINDS. SUSTAINED WINDS OF 25 TO 40 MPH WILL OCCUR WITH GUSTS OF 50
MPH COMMON. POTENTIALLY DAMAGING GUSTS NEAR 70 MPH MAY OCCUR IN
ELEVATED LOCATIONS OF NORTHWEST OKLAHOMA.  FOR DETAILS...PLEASE
REFER TO THE WIND ADVISORIES AND HIGH WIND WARNINGS THAT ARE IN
EFFECT.

WILDFIRE POTENTIAL WILL BE VERY HIGH TO EXTREME THIS AFTERNOON...
WITH THE GREATEST CONCERN IN SOUTHWEST OKLAHOMA AND WESTERN NORTH
TEXAS. REFER TO THE RED FLAG WARNING FOR ADDITIONAL INFORMATION.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

THUNDERSTORM OUTLOOK...
THERE IS A CHANCE FOR THUNDERSTORMS FROM NEXT MONDAY THROUGH
THURSDAY.

OTHER HAZARDOUS WEATHER...
WINDS WILL DIMINISH FRIDAY NIGHT...AND PARTS OF OKLAHOMA AND WESTERN
NORTH TEXAS MAY EXPERIENCE A FROST OR FREEZE SATURDAY MORNING.

ELEVATED WILDFIRE POTENTIAL WILL CONTINUE ACROSS PORTIONS OF THE
AREA ON MONDAY AND TUESDAY.

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

In the hours before

Local storm report, Apr 15, 1:36 PM CDT, 3 hours 59 minutes before

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Local storm report, Apr 15, 2:14 PM CDT, 3 hours 21 minutes before

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Local storm report, Apr 15, 2:54 PM CDT, 2 hours 41 minutes before

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Local storm report, Apr 15, 3:15 PM CDT, 2 hours 20 minutes before

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Local storm report, Apr 15, 3:20 PM CDT, 2 hours 15 minutes before

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Local storm report, Apr 15, 4:34 PM CDT, 1 hour 1 minute 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 14, 7:13 PM CDT	Tornado Warning	OUN	Hughes	32 min
Apr 14, 7:28 PM CDT	Tornado Warning	OUN	Johnston, Murray, Pontotoc	47 min
Apr 14, 7:53 PM CDT	Special Weather Statement	OUN	Lincoln	22 min
Apr 14, 7:54 PM CDT	Tornado Warning	OUN	Coal, Johnston, Pontotoc	36 min
Apr 14, 7:58 PM CDT	Tornado Warning	OUN	Atoka, Coal	32 min
Apr 14, 7:59 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Payne	22 min
Apr 14, 8:17 PM CDT	Tornado Warning	OUN	Atoka, Coal	58 min
Apr 14, 8:17 PM CDT	Tornado Warning	OUN	Atoka, Johnston	28 min
Apr 14, 8:34 PM CDT	Tornado Warning	OUN	Atoka, Coal, Johnston	41 min
Apr 14, 8:37 PM CDT	Special Weather Statement	OUN	Murray	23 min
Apr 14, 8:39 PM CDT	Special Weather Statement	OUN	Coal, Hughes	21 min
Apr 14, 8:46 PM CDT	Tornado Warning	OUN	Atoka, Coal	39 min
Apr 14, 8:53 PM CDT	Areal Flood Advisory	OUN	Atoka, Coal, Hughes, Murray, Pontotoc	3 hr
Apr 14, 8:59 PM CDT	Special Weather Statement	OUN	Coal, Hughes, Johnston, Marshall	31 min
Apr 14, 9:07 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan, Carter, Coal, Hughes, Johnston and 3 more	53 min
Apr 14, 9:46 PM CDT	High Wind Warning	OUN	Alfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 21 more	24 hr
Apr 14, 9:55 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan, Coal, Marshall	53 min
Apr 15, 4:12 AM CDT	Red Flag Warning	OUN	Beckham, Caddo, Comanche, Cotton, Custer, Greer and 8 more	17 hr

Nearby

Freeze Warnings in Oklahoma, 2011 Freeze Warnings in Texas, 2011 Every freeze 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.