Alert archive / Oklahoma / Special Weather Statements in 2012

Special Weather Statement, NWS Norman, OK

March 19, 2012Hughes County, Oklahoma

NWS Norman, OK issued this special weather statement at Mar 19, 2012, 2:20 PM CDT for Hughes County, Oklahoma. It was in force for 25 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, 2:20 PM CDT (19:20 UTC)
Expired: Mar 19, 2012, 2:45 PM CDT
In force: 25 min
Issued by: NWS Norman, OK

County Hughes County, OK

The radar

The Norman radar (KTLX), 88 km from the middle of the area, began a volume at 19:20 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 12:00Z, 7.3 hours before the alert went out and 98 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: 974 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 637 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 334 m²/s²
0-3 km storm-relative helicity: 407 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 4.0

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, 1:14 PM CDT, 1 hour 6 minutes earlier.

Area forecast discussion, Mar 19, 1:14 PM CDT, 1 hour 6 minutes before

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Hazardous weather outlook, Mar 19, 11:55 AM CDT, 2 hours 25 minutes before

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In the hours before

Special weather statement, Mar 19, 8:31 AM CDT, 5 hours 49 minutes before

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Special weather statement, Mar 19, 9:13 AM CDT, 5 hours 7 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

Special weather statement, Mar 19, 10:59 AM CDT, 3 hours 21 minutes before

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Special weather statement, Mar 19, 12:06 PM CDT, 2 hours 14 minutes before

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Special weather statement, Mar 19, 1:36 PM CDT, 44 minutes before

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Special weather statement, Mar 19, 2:20 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
220 PM CDT MON MAR 19 2012

OKZ031-032-191945-
SEMINOLE OK-HUGHES OK-
220 PM CDT MON MAR 19 2012

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL SEMINOLE AND
HUGHES COUNTIES UNTIL 245 PM CDT...

AT 217 PM CDT...A STRONG THUNDERSTORM WAS NEAR HOLDENVILLE...MOVING
NORTH AT 60 MPH.

HAZARDS INCLUDE...
HAIL UP TO THE SIZE OF NICKELS...

LOCATIONS IMPACTED INCLUDE...
HOLDENVILLE...WETUMKA AND YEAGER.

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

LAT...LON 3501 9631 3506 9652 3529 9644 3529 9620
      3528 9619
TIME...MOT...LOC 1917Z 198DEG 67KT 3505 9641

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, 9:13 AM CDT	Special Weather Statement	OUN	Cotton	47 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, 2:32 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 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.