Alert archive / Texas / Special Weather Statements in 2012

Special Weather Statement, NWS Norman, OK

March 19, 2012Cotton County, Oklahoma; 4 counties in Texas

NWS Norman, OK issued this special weather statement at Mar 19, 2012, 9:13 AM CDT for Cotton County, Oklahoma; 4 counties in Texas. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 19, 2012, 9:13 AM CDT (14:13 UTC)
Expired: Mar 19, 2012, 10:00 AM CDT
In force: 47 min
Issued by: NWS Norman, OK

Counties Cotton County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Wichita County, TX

The radar

The Altus AFB radar (KFDR), 65 km from the middle of the area, began a volume at 14:14 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

Fort Worth, TX (KFWD), launched 12:00Z, 2.2 hours before the alert went out and 167 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: 1782 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 509 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 318 m²/s²
0-3 km storm-relative helicity: 447 m²/s²
Significant tornado parameter: 3.3
Supercell composite: 17.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Mar 19, 6:47 AM CDT, 2 hours 26 minutes earlier.

Area forecast discussion, Mar 19, 6:47 AM CDT, 2 hours 26 minutes before

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Hazardous weather outlook, Mar 19, 4:33 AM CDT, 4 hours 40 minutes before

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In the hours before

Local storm report, Mar 19, 5:20 AM CDT, 3 hours 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
520 AM CDT MON MAR 19 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0325 AM     TSTM WND GST     2 WSW WOODWARD          36.42N 99.42W
03/19/2012  M58 MPH          WOODWARD           OK   MESONET

&&

EM

Special weather statement, Mar 19, 6:03 AM CDT, 3 hours 10 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
603 AM CDT MON MAR 19 2012

OKZ007-008-012-013-018>020-024-191200-
LOGAN OK-GRANT OK-KINGFISHER OK-GARFIELD OK-PAYNE OK-KAY OK-NOBLE OK-
CANADIAN OK-
603 AM CDT MON MAR 19 2012

...SIGNIFICANT WEATHER ADVISORY FOR LOGAN...EAST CENTRAL GRANT...
KINGFISHER...GARFIELD...PAYNE...KAY...NOBLE AND NORTHEASTERN
CANADIAN COUNTIES UNTIL 700 AM CDT...

AT 559 AM CDT...A LINE OF STRONG THUNDERSTORMS ALONG A LINE
EXTENDING FROM 10 MILES NORTHEAST OF MEDFORD TO 15 MILES WEST OF
EDMOND...MOVING EAST AND NORTHEAST AT 40 MPH.

HAZARDS INCLUDE...
WIND GUSTS TO 50 MPH...

LOCATIONS IMPACTED INCLUDE...
PONCA CITY...GUTHRIE...BLACKWELL...PERRY...TONKAWA...NEWKIRK...
LANGSTON...CRESCENT...GARBER...CASHION...COVINGTON...LAMONT...
BILLINGS...COYLE...RED ROCK...MARLAND...MARSHALL...BRAMAN...
MULHALL AND ORLANDO.

MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.

LAT...LON 3670 9692 3668 9707 3660 9706 3659 9696
      3657 9696 3650 9704 3631 9703 3599 9712
      3567 9791 3699 9755 3700 9685
TIME...MOT...LOC 1059Z 239DEG 34KT 3699 9752 3576 9785

CMS

Special weather statement, Mar 19, 7:06 AM CDT, 2 hours 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
706 AM CDT MON MAR 19 2012

OKZ008-191230-
KAY OK-
706 AM CDT MON MAR 19 2012

...SIGNIFICANT WEATHER ADVISORY FOR KAY COUNTY UNTIL 730 AM CDT...

AT 705 AM CDT...A LINE OF STRONG THUNDERSTORMS ALONG A LINE
EXTENDING FROM NEAR NEWKIRK TO 4 MILES EAST OF PONCA CITY...MOVING
NORTHEAST AT 40 MPH.

HAZARDS INCLUDE...
WIND GUSTS TO 50 MPH...

LOCATIONS IMPACTED INCLUDE...
PONCA CITY...NEWKIRK...KAW CITY...KILDARE...HARDY AND KAW LAKE.

MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.

LAT...LON 3697 9674 3678 9675 3677 9681 3674 9683
      3675 9689 3668 9695 3670 9704 3668 9707
      3660 9705 3660 9713 3700 9705 3700 9676
TIME...MOT...LOC 1205Z 236DEG 34KT 3700 9693 3660 9702

MAXWELL

Local storm report, Mar 19, 8:01 AM CDT, 1 hour 12 minutes before

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Special weather statement, Mar 19, 8:31 AM CDT, 42 minutes before

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Special weather statement, Mar 19, 9:13 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
913 AM CDT MON MAR 19 2012

OKZ037>039-044-045-TXZ085>090-191500-
COTTON OK-TILLMAN OK-JEFFERSON OK-STEPHENS OK-COMANCHE OK-BAYLOR TX-
WICHITA TX-WILBARGER TX-CLAY TX-ARCHER TX-KNOX TX-
913 AM CDT MON MAR 19 2012

...SIGNIFICANT WEATHER ADVISORY FOR COTTON...TILLMAN...WESTERN
JEFFERSON...STEPHENS...COMANCHE...BAYLOR...WICHITA...WILBARGER...
CLAY...ARCHER AND SOUTHEASTERN KNOX COUNTIES UNTIL 1000 AM CDT...

AT 913 AM CDT...A LINE OF STRONG THUNDERSTORMS ALONG A LINE
EXTENDING FROM 29 MILES SOUTH OF GERONIMO TO 33 MILES SOUTH OF
BURKBURNETT TO ARCHER CITY...MOVING NORTHEAST AT 35 MPH.

HAZARDS INCLUDE...
HAIL UP TO ONE-HALF INCH DIAMETER...
WIND GUSTS TO 50 MPH...
MINOR FLOODING IN AREAS OF POOR DRAINAGE...

LOCATIONS IMPACTED INCLUDE...
WICHITA FALLS...LAWTON...BURKBURNETT...SEYMOUR...SHEPPARD AFB...
IOWA PARK...HENRIETTA...ELECTRA...WALTERS...CACHE...WAURIKA...
ARCHER CITY...HOLLIDAY...TEMPLE...GRANDFIELD...GERONIMO...PETROLIA...
EMPIRE CITY...BYERS AND RANDLETT.

MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.

LAT...LON 3340 9953 3464 9873 3466 9797 3465 9796
      3347 9801 3347 9842 3340 9843
TIME...MOT...LOC 1409Z 237DEG 36KT 3450 9842 3407 9854 3361 9870

17

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 7:27 PM CDT	Tornado Warning	OUN	Beckham, Greer	33 min
Mar 18, 7:36 PM CDT	Special Weather Statement	OUN	Washita	24 min
Mar 18, 7:42 PM CDT	Tornado Warning	OUN	Beckham, Greer, Kiowa, Washita	33 min
Mar 18, 8:00 PM CDT	Tornado Warning	OUN	Beckham, Washita	38 min
Mar 18, 10:03 PM CDT	Special Weather Statement	OUN	Roger Mills	27 min
Mar 18, 11:01 PM CDT	Special Weather Statement	OUN	Roger Mills, Woodward	29 min
Mar 19, 2:24 AM CDT	Severe Thunderstorm Warning	OUN	Beckham, Ellis, Greer, Harmon, Jackson, Roger Mills	51 min
Mar 19, 2:28 AM CDT	Special Weather Statement	OUN	Ellis, Harper	32 min
Mar 19, 3:03 AM CDT	Special Weather Statement	OUN	Ellis, Harper	27 min
Mar 19, 3:09 AM CDT	Flash Flood Watch	OUN	Atoka, Bryan, Carter, Cleveland, Coal, Garvin and 13 more	32 hr
Mar 19, 3:17 AM CDT	Severe Thunderstorm Warning	OUN	Beckham, Comanche, Custer, Dewey, Greer, Harmon and 5 more	58 min
Mar 19, 3:35 AM CDT	Severe Thunderstorm Warning	OUN	Dewey, Ellis, Harper, Major, Roger Mills, Woods and 1 more	40 min
Mar 19, 3:59 AM CDT	Special Weather Statement	OUN	Alfalfa, Blaine, Caddo, Canadian, Kingfisher, Major	46 min
Mar 19, 4:35 AM CDT	Special Weather Statement	OUN	Alfalfa, Blaine, Kingfisher, Major	40 min
Mar 19, 5:17 AM CDT	Special Weather Statement	OUN	Garfield, Grant, Kingfisher	43 min
Mar 19, 6:03 AM CDT	Special Weather Statement	OUN	Kay, Logan, Noble	57 min
Mar 19, 6:21 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Noble	24 min
Mar 19, 7:06 AM CDT	Special Weather Statement	OUN	Kay	24 min
Mar 19, 9:42 AM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Grady, Stephens	48 min
Mar 19, 10:11 AM CDT	Areal Flood Advisory	OUN	Cleveland, Oklahoma	3 hr
Mar 19, 10:59 AM CDT	Special Weather Statement	OUN	Cleveland	31 min
Mar 19, 11:22 AM CDT	Flash Flood Warning	OUN	Canadian, Cleveland, Grady, Lincoln, Logan, McClain and 2 more	6 hr
Mar 19, 12:06 PM CDT	Special Weather Statement	OUN	Seminole	24 min
Mar 19, 1:05 PM CDT	Areal Flood Advisory	OUN	Stephens	3 hr
Mar 19, 2:06 PM CDT	River Flood Warning	OUN	Pottawatomie, Seminole	18 hr
Mar 19, 2:20 PM CDT	Special Weather Statement	OUN	Hughes	25 min
Mar 19, 2:32 PM CDT	Special Weather Statement	OUN	Stephens	28 min
Mar 19, 4:28 PM CDT	Special Weather Statement	OUN	Love	32 min
Mar 19, 4:57 PM CDT	River Flood Warning	OUN	Oklahoma	4 hr
Mar 19, 5:11 PM CDT	Special Weather Statement	OUN	Johnston, Marshall	49 min
Mar 19, 6:39 PM CDT	Special Weather Statement	OUN	Hughes	36 min
Mar 19, 8:31 AM CDT	Special Weather Statement	OUN	Archer, Baylor, Wichita, Wilbarger	44 min
Mar 19, 1:36 PM CDT	Special Weather Statement	OUN	Archer	24 min

Nearby

Special Weather Statements in Texas, 2012 Special Weather Statements in Oklahoma, 2012 Every special weather statement in 2012

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.