Alert archive / Arkansas / Special Weather Statements in 2012

Special Weather Statement, NWS Tulsa, OK

July 10, 2012Sebastian County, Arkansas

NWS Tulsa, OK issued this special weather statement at Jul 10, 2012, 3:42 PM CDT for Sebastian County, Arkansas. It was in force for 33 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: Jul 10, 2012, 3:42 PM CDT (20:42 UTC)
Expired: Jul 10, 2012, 4:15 PM CDT
In force: 33 min
Issued by: NWS Tulsa, OK

County Sebastian County, AR

The radar

The Western Arkansas radar (KSRX), 29 km from the middle of the area, began a volume at 20:45 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

Springfield, MO (KSGF), launched 12:00Z, 8.7 hours before the alert went out and 213 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: 469 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1138 m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: -60 m²/s²
0-3 km storm-relative helicity: -21 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 Jul 10, 3:41 PM CDT, 1 minute earlier.

Area forecast discussion, Jul 10, 3:41 PM CDT, 1 minute before

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Hazardous weather outlook, Jul 10, 12:51 PM CDT, 2 hours 51 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1251 PM CDT TUE JUL 10 2012

ARZ001-002-010-011-019-020-029-OKZ049-053>076-111000-
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-
1251 PM CDT TUE JUL 10 2012

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...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

DANGEROUS HEAT.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

FIRE WEATHER DANGER.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

DISCUSSION...
WIDELY SCATTERED THUNDERSTORMS HAVE DEVELOPED ACROSS EASTERN
OKLAHOMA AND NORTHWEST ARKANSAS AND WILL PERSIST THROUGH THE
REMAINDER OF THE AFTERNOON. A FEW THUNDERSTORMS THIS AFTERNOON AND
EARLY EVENING WILL HAVE THE POTENTIAL TO BECOME SEVERE WITH
DOWNBURST WINDS OF AROUND 70 MPH POSSIBLE.

A LIMITED FIRE DANGER WILL EXIST THIS AFTERNOON ESPECIALLY IN
AREAS THAT REMAIN DRY TODAY AND HAVE SEEN LITTLE OR NO RAIN THE
PAST COUPLE DAYS.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION MAY BE NEEDED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
WEDNESDAY AND THURSDAY...THUNDERSTORM POTENTIAL.
THURSDAY...THUNDERSTORM POTENTIAL.
FRIDAY THROUGH SUNDAY...NO HAZARDS.
MONDAY...DANGEROUS HEAT POTENTIAL.

EXTENDED DISCUSSION...
ISOLATED THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY AND THURSDAY
ACROSS SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS AS A WEAKNESS IN
THE UPPER LEVEL RIDGE PERSISTS OVER THE AREA.

HOT CONDITIONS ARE EXPECTED TO PREVAIL THROUGH THE PERIOD WITH
HIGH TEMPERATURES GENERALLY IN THE 90S. HEAT INDEX VALUES ARE
EXPECTED TO BE NEAR 100 OR BELOW UNTIL MONDAY WHEN VALUES COULD
TOP OUT AROUND 105 DEGREES.

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

In the hours before

Special weather statement, Jul 10, 2:35 PM CDT, 1 hour 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
235 PM CDT TUE JUL 10 2012

ARZ020-102000-
FRANKLIN AR-
235 PM CDT TUE JUL 10 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 300 PM CDT
FOR THE FOLLOWING COUNTY...

IN WEST CENTRAL ARKANSAS
     NORTHERN FRANKLIN

AT 236 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER BARNES...
MOVING SOUTHWEST AT 20 MPH. SOME LOCATIONS THAT WILL BE AFFECTED BY
THIS STORM INCLUDE...PARADISE...PINEY...TONEY...LONELM...CRAVENS...
WATALULA...JETHRO...MOUNTAIN TOP...BARNES...TURNERS BEND...CASS AND
REDDING.

THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH.

LAT...LON 3543 9389 3555 9403 3558 9403 3558 9406
      3558 9407 3573 9383 3562 9370
TIME...MOT...LOC 1936Z 045DEG 17KT 3564 9382

Special weather statement, Jul 10, 2:45 PM CDT, 57 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
245 PM CDT TUE JUL 10 2012

OKZ070-102015-
MUSKOGEE OK-
245 PM CDT TUE JUL 10 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 315 PM CDT
FOR THE FOLLOWING COUNTY...

IN EAST CENTRAL OKLAHOMA
     NORTHWESTERN MUSKOGEE

AT 245 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES NORTHWEST
OF SUMMIT...MOVING SOUTHWEST AT 15 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...MUSKOGEE...COUNCIL HILL...OKTAHA...
WAINWRIGHT...BOYNTON...SUMMIT...JAMESVILLE AND TAFT.

THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.

LAT...LON 3577 9571 3578 9562 3576 9559 3579 9553
      3581 9538 3564 9532 3555 9541 3555 9571
TIME...MOT...LOC 1945Z 056DEG 15KT 3570 9545

Special weather statement, Jul 10, 2:49 PM CDT, 53 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
249 PM CDT TUE JUL 10 2012

ARZ020-029-102015-
FRANKLIN AR-SEBASTIAN AR-
249 PM CDT TUE JUL 10 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 315 PM CDT
FOR THE FOLLOWING COUNTIES...

IN WEST CENTRAL ARKANSAS
     SOUTHWESTERN FRANKLIN AND NORTHEASTERN SEBASTIAN

AT 249 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES EAST OF
VESTA...MOVING SOUTHWEST AT 15 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...CHARLESTON...BRANCH...URSULA...PETER
PENDER...VESTA...CECIL AND BLOOMER.

THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.

LAT...LON 3523 9392 3524 9421 3545 9406 3546 9403
      3547 9405 3548 9404 3546 9390
TIME...MOT...LOC 1949Z 024DEG 12KT 3536 9400

Special weather statement, Jul 10, 3:10 PM CDT, 32 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
310 PM CDT TUE JUL 10 2012

ARZ020-029-102045-
FRANKLIN AR-SEBASTIAN AR-
310 PM CDT TUE JUL 10 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 345 PM CDT
FOR THE FOLLOWING COUNTIES...

IN WEST CENTRAL ARKANSAS
     SOUTHWESTERN FRANKLIN AND SEBASTIAN

AT 310 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 2 MILES WEST OF
CHARLESTON...MOVING SOUTHWEST AT 20 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...CROSSROADS...MILLTOWN...
CHARLESTON...BRANCH...URSULA...GREENWOOD...LAVACA...HUNTINGTON...
DAYTON...WITCHERVILLE...WASHBURN...BURNVILLE...EXCELSIOR...FORT
CHAFFEE AND BLOOMER.

THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH.

LAT...LON 3523 9399 3522 9402 3518 9402 3513 9406
      3514 9413 3510 9413 3510 9414 3506 9424
      3515 9438 3541 9411 3530 9393
TIME...MOT...LOC 2010Z 037DEG 17KT 3528 9408

Special weather statement, Jul 10, 3:18 PM CDT, 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
318 PM CDT TUE JUL 10 2012

ARZ019-020-029-102045-
CRAWFORD AR-FRANKLIN AR-SEBASTIAN AR-
318 PM CDT TUE JUL 10 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 345 PM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     SOUTHEASTERN CRAWFORD

IN WEST CENTRAL ARKANSAS
     WESTERN FRANKLIN AND NORTHEASTERN SEBASTIAN

AT 318 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES SOUTH OF
MULBERRY...MOVING SOUTHWEST AT 15 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...PLEASANT HILL...MULBERRY...URSULA...
VESTA...LAVACA...KIBLER AND DYER.

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

LAT...LON 3527 9409 3542 9430 3555 9408 3544 9394
TIME...MOT...LOC 2018Z 046DEG 13KT 3545 9408

Special weather statement, Jul 10, 3:42 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
Jul 9, 7:52 PM CDT	Special Weather Statement	TSA	Pushmataha	23 min
Jul 10, 2:15 PM CDT	Special Weather Statement	TSA	Muskogee	30 min
Jul 10, 2:45 PM CDT	Special Weather Statement	TSA	Muskogee	30 min
Jul 10, 3:44 PM CDT	Special Weather Statement	TSA	Okfuskee	31 min
Jul 10, 6:04 PM CDT	Special Weather Statement	TSA	Pushmataha	26 min
Jul 10, 6:42 PM CDT	Special Weather Statement	TSA	Okmulgee	33 min
Jul 10, 6:54 PM CDT	Special Weather Statement	TSA	Choctaw	36 min
Jul 9, 10:29 PM CDT	Special Weather Statement	TSA	Sebastian	46 min
Jul 9, 10:40 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian	50 min
Jul 10, 2:35 PM CDT	Special Weather Statement	TSA	Franklin	25 min
Jul 10, 2:49 PM CDT	Special Weather Statement	TSA	Franklin	26 min
Jul 10, 3:10 PM CDT	Special Weather Statement	TSA	Sebastian	35 min
Jul 10, 3:18 PM CDT	Special Weather Statement	TSA	Crawford	27 min

Nearby

Special Weather Statements in Arkansas, 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.