Alert archive / Oklahoma / Special Weather Statements in 2012

Special Weather Statement, NWS Tulsa, OK

August 12, 2012Pushmataha County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Aug 12, 2012, 7:14 PM CDT for Pushmataha County, Oklahoma. It was in force for 46 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 12, 2012, 7:14 PM CDT (00:14 UTC)
Expired
Aug 12, 2012, 8:00 PM CDT
In force
46 min
Issued by
NWS Tulsa, OK

County Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 155 km from the middle of the area, began a volume at 00:14 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

Norman, OK (KOUN), launched 00:00Z, 0.2 hours before the alert went out and 181 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-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2012-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2012-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
3359 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

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 Tulsa, OK wrote its last area forecast discussion before this special weather statement went out at Aug 12, 6:21 PM CDT, 53 minutes earlier.

Area forecast discussion, Aug 12, 6:21 PM CDT, 53 minutes before
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<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Aug 12, 4:45 PM CDT, 2 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
445 PM CDT SUN AUG 12 2012

ARZ001-002-010-011-019-020-029-OKZ049-053>076-130945-
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-
445 PM CDT SUN AUG 12 2012

...CHANCE OF SEVERE STORMS THIS AFTERNOON AND EVENING...

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SEVERE THUNDERSTORM.
	RISK...LIMITED.
	AREA...PRIMARILY SOUTH AND EAST OF INTERSTATE 44.
	ONSET...AFTER 5 PM.

DANGEROUS HEAT.
	RISK...LIMITED.
	AREA...EAST CENTRAL AND SOUTHEAST OKLAHOMA.
	ONSET...ONGOING.

FIRE WEATHER DANGER.
	RISK...ELEVATED.
	AREA...NORTHWEST OF A MCALESTER TO FAYETTEVILLE LINE.
	ONSET...ONGOING.

DISCUSSION...

A COLD FRONT WILL MOVE INTO NORTHEAST OKLAHOMA BY LATE AFTERNOON.
HOT AND DRY CONDITIONS WITH BREEZY SOUTHWEST WINDS PREVAIL AHEAD
OF THE FRONT...AND WITH THE ONGOING DROUGHT CONDITIONS...FIRE WEATHER
CONCERNS WILL BE RAISED. ADDITIONALLY...ISOLATED TO WIDELY SCATTERED
THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG AND AHEAD OF THE FRONT
LATE THIS AFTERNOON IN TWO MAIN AREAS. STORMS COULD DEVELOP OVER
SOUTH CENTRAL OKLAHOMA AND MOVE INTO SOUTHEAST OKLAHOMA LATER ON.
IN ADDITION...DATA INDICATES THAT A FEW STORMS COULD FIRE OVER
FAR NORTHEAST OKLAHOMA ALONG THE FRONT AND MOVE INTO NORTHWEST
ARKANSAS THIS EVENING. THUNDERSTORM CHANCES WILL CONTINUE WELL INTO THE
OVERNIGHT HOURS AS THE FRONT SLOWLY PUSHES SOUTHEASTWARD. ANY
STORM WHICH FORM THIS AFTERNOON AND EVENING WILL CARRY A RISK OF
BOTH LARGE HAIL AND DAMAGING WINDS. THE SEVERE WEATHER RISK WILL
DECREASE OVERNIGHT. HEAT INDICES IN THE 100 TO 104 RANGE ARE
OBSERVED OVER SOUTHEAST OKLAHOMA WHERE DEWPOINTS ARE HIGHER.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION MAY BE NEEDED BY LATE AFTERNOON ON INTO
THE EVENING HOURS.

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

EXTENDED DISCUSSION...

BREEZY NORTH WINDS AND VERY DRY CONDITIONS WILL YIELD AN ELEVATED
FIRE DANGER ON MONDAY. DATA CONTINUES TO INDICATE THAT A
THUNDERSTORM COMPLEX WILL DEVELOP ACROSS THE HIGH PLAINS AND MOVE
INTO THE AREA ON TUESDAY. THE BOUNDARY THAT IS PRODUCED FROM THIS
THUNDERSTORM COMPLEX WILL REMAIN IN THE AREA ON WEDNESDAY AND MAY
SUPPORT ADDITIONAL STORM DEVELOPMENT. AN ELEVATED FIRE DANGER DAY
IS EXPECTED ON WEDNESDAY AS WELL AHEAD OF ANOTHER FRONT. A STRONG
COLD FRONT IS STILL EXPECTED TO ARRIVE ON THURSDAY...BRINGING
COOLER TEMPERATURES AND HIGHER RAIN AND STORM CHANCES THROUGH
FRIDAY.

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

In the hours before

Special weather statement, Aug 12, 7:14 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
714 PM CDT SUN AUG 12 2012

OKZ049-130100-
PUSHMATAHA OK-
714 PM CDT SUN AUG 12 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 800 PM CDT
FOR THE FOLLOWING COUNTY...

IN SOUTHEAST OKLAHOMA
     SOUTHWESTERN PUSHMATAHA

AT 715 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 18 MILES NORTHWEST
OF MOYERS...MOVING EAST AT 30 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...ANTLERS...DELA...MOYERS...FINLEY...
KOSOMA...KELLOND...EUBANKS AND DUNBAR.

THIS STORM WILL BE CAPABLE OF PRODUCING NICKEL SIZE HAIL AND WIND
GUSTS TO 50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE
THE SIGNIFICANT WEATHER ADVISORY IS UPGRADED TO A WARNING.

LAT...LON 3427 9579 3450 9579 3451 9578 3451 9568
      3452 9568 3452 9544 3416 9550
TIME...MOT...LOC 0015Z 285DEG 27KT 3442 9589

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 7:42 PM CDTSevere Thunderstorm WarningTSAPushmataha33 min
Aug 12, 7:48 PM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha57 min
Aug 12, 7:57 PM CDTSevere Thunderstorm WarningTSAPushmataha47 min
Aug 12, 8:36 PM CDTSpecial Weather StatementTSAMcIntosh24 min
Aug 12, 8:42 PM CDTSevere Thunderstorm WarningTSAPushmataha34 min
Aug 12, 9:50 PM CDTSevere Thunderstorm WarningTSAMuskogee40 min
Aug 12, 9:57 PM CDTSevere Thunderstorm WarningTSAHaskell, Muskogee48 min
Aug 12, 10:14 PM CDTSpecial Weather StatementTSAAdair31 min
Aug 12, 10:21 PM CDTSevere Thunderstorm WarningTSACraig54 min
Aug 12, 10:27 PM CDTSevere Thunderstorm WarningTSAMuskogee, Sequoyah48 min
Aug 12, 10:28 PM CDTSevere Thunderstorm WarningTSAAdair47 min
Aug 12, 10:41 PM CDTSevere Thunderstorm WarningTSAHaskell12 min
Aug 12, 10:42 PM CDTSpecial Weather StatementTSADelaware33 min
Aug 12, 10:57 PM CDTSpecial Weather StatementTSAOttawa33 min
Aug 12, 11:05 PM CDTSevere Thunderstorm WarningTSAOttawa25 min
Aug 12, 11:11 PM CDTSevere Thunderstorm WarningTSAAdair37 min
Aug 12, 11:16 PM CDTSevere Thunderstorm WarningTSACraig, Mayes13 min
Aug 12, 11:30 PM CDTSevere Thunderstorm WarningTSAAdair, Delaware25 min
Aug 13, 12:29 AM CDTSpecial Weather StatementTSADelaware46 min
Aug 12, 11:07 PM CDTSevere Thunderstorm WarningTSABenton, Washington53 min
Aug 12, 11:36 PM CDTSevere Thunderstorm WarningTSACrawford, Franklin, Sebastian54 min
Aug 12, 11:58 PM CDTSpecial Weather StatementTSAWashington32 min
Aug 13, 12:01 AM CDTSpecial Weather StatementTSAFranklin29 min
Aug 13, 1:06 AM CDTSpecial Weather StatementTSABenton, Carroll24 min
Aug 13, 2:01 AM CDTSpecial Weather StatementTSABenton29 min

Nearby

Special Weather Statements in Oklahoma, 2012Every 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.