Alert archive / Oklahoma / Special Weather Statements in 2012

Special Weather Statement, NWS Tulsa, OK

August 14, 2012Choctaw County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Aug 14, 2012, 11:18 PM CDT for Choctaw County, Oklahoma. It was in force for 27 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: Aug 14, 2012, 11:18 PM CDT (04:18 UTC)
Expired: Aug 14, 2012, 11:45 PM CDT
In force: 27 min
Issued by: NWS Tulsa, OK

County Choctaw County, OK

The radar

The Western Arkansas radar (KSRX), 193 km from the middle of the area, began a volume at 04:21 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 00:00Z, 4.3 hours before the alert went out and 192 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: 3768 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Tulsa, OK wrote its last area forecast discussion before this special weather statement went out at Aug 14, 9:52 PM CDT, 1 hour 26 minutes earlier.

Area forecast discussion, Aug 14, 9:52 PM CDT, 1 hour 26 minutes before

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Hazardous weather outlook, Aug 14, 7:37 PM CDT, 3 hours 41 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
737 PM CDT TUE AUG 14 2012

ARZ001-002-010-011-019-020-029-OKZ049-053>076-151000-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
734 PM CDT TUE AUG 14 2012

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORM.
	RISK...LIMITED.
	AREA...FAR SOUTHEAST OKLAHOMA.
	ONSET...MID EVENING.

FIRE WEATHER DANGER.
	RISK...LIMITED BUT DIMINISHING.
	AREA...THOSE AREAS THAT DID NOT RECEIVE RAIN.
	ONSET...ONGOING.

DISCUSSION...
A NARROW BAND OF SHOWERS AND ISOLATED THUNDER WEST TO EAST SOUTH OF
A TULSA TO FAYETTEVILLE LINE WILL CONTINUE EAST SOUTHEAST THIS EVENING.

THUNDERSTORMS IN SOUTH CENTRAL OKLAHOMA MAY REACH INTO FAR SOUTHEAST
OKLAHOMA THIS EVENING...PRIMARILY IMPACTING CHOCTAW COUNTY NEAR THE
RED RIVER. A SEVERE THUNDERSTORM WATCH IS OUT FOR CHOCTAW COUNTY
UNTIL 1 AM PRIMARILY FOR THE POSSIBILITY OF DAMAGING WIND.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION NOT LIKELY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
WEDNESDAY...THUNDERSTORM POTENTIAL...VERY HIGH FIRE WEATHER POTENTIAL.
THURSDAY...THUNDERSTORM POTENTIAL...VERY HIGH FIRE WEATHER POTENTIAL.
FRIDAY...THUNDERSTORM POTENTIAL.
SATURDAY...NO HAZARDS.
SUNDAY...VERY HIGH FIRE WEATHER POTENTIAL.
MONDAY...NO HAZARDS.

EXTENDED DISCUSSION...
SOUTH WINDS WILL RETURN AND LOW LEVEL TEMPERATURES WILL WARM
WEDNESDAY AND THURSDAY...AHEAD OF THE NEXT COLD FRONT LATE
THURSDAY. THE INCREASED WIND AND TEMPERATURE WILL LEAD TO AN
ELEVATED THREAT OF RAPID FIRE SPREAD BOTH WEDNESDAY AND THURSDAY.
THUNDERSTORM CHANCES...WITH THE POTENTIAL FOR SEVERE WEATHER...
WILL ACCOMPANY THE BOUNDARY AS IT PUSHES THROUGH THE ENTIRE AREA
THURSDAY NIGHT. SOME STORMS MAY LINGER BEHIND THE FRONT ON FRIDAY.
COOLER WEATHER WILL PREVAIL FOR THE WEEKEND INTO EARLY NEXT WEEK.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

In the hours before

Special weather statement, Aug 14, 7:49 PM CDT, 3 hours 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
749 PM CDT TUE AUG 14 2012

OKZ053-150115-
CHOCTAW OK-
749 PM CDT TUE AUG 14 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 815 PM CDT
FOR THE FOLLOWING COUNTY...

IN SOUTHEAST OKLAHOMA
     CHOCTAW

AT 748 PM CDT...A STRONG THUNDERSTORM WAS CENTERED ABOUT 15 MILES
WEST OF BOSWELL...MOVING EAST AT 25 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...HUGO...ORD...FROGVILLE...GRANT...
GAY... GOODLAND...SAWYER...BOSWELL...UNGER...SOPER...HUSKEY AND
FALLON.

THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 45 MPH.

LAT...LON 3387 9551 3389 9551 3388 9555 3392 9556
      3393 9559 3388 9569 3389 9575 3386 9577
      3387 9584 3394 9594 3415 9595 3398 9518
      3387 9530 3388 9533 3387 9534 3386 9542
TIME...MOT...LOC 0048Z 290DEG 24KT 3396 9611

Special weather statement, Aug 14, 8:14 PM CDT, 3 hours 4 minutes before

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Special weather statement, Aug 14, 9:16 PM CDT, 2 hours 2 minutes before

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Special weather statement, Aug 14, 11:18 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 7:49 PM CDT	Special Weather Statement	TSA	Choctaw	26 min
Aug 14, 8:14 PM CDT	Special Weather Statement	TSA	Choctaw	61 min
Aug 14, 9:16 PM CDT	Special Weather Statement	TSA	Choctaw	29 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.