Alert archive / Arkansas / Special Weather Statements in 2013

Special Weather Statement, NWS Tulsa, OK

July 10, 2013Sebastian County, Arkansas

NWS Tulsa, OK issued this special weather statement at Jul 10, 2013, 9:21 PM CDT for Sebastian County, Arkansas. It was in force for 24 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, 2013, 9:21 PM CDT (02:21 UTC)
Expired: Jul 10, 2013, 9:45 PM CDT
In force: 24 min
Issued by: NWS Tulsa, OK

County Sebastian County, AR

The radar

The Western Arkansas radar (KSRX), 22 km from the middle of the area, began a volume at 02:21 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

Springfield, MO (KSGF), launched 00:00Z, 2.4 hours before the alert went out and 179 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: 1348 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 1686 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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, 6:05 PM CDT, 3 hours 16 minutes earlier.

Area forecast discussion, Jul 10, 6:05 PM CDT, 3 hours 16 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
605 PM CDT WED JUL 10 2013

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM.
FOR THE 0Z TAFS... VFR CONDITIONS WILL PREVAIL AT ALL TAF SITES
FOR THE ENTIRE 24 HOUR FORECAST PERIOD. ONGOING WIDELY SCATTERED
THUNDERSTORMS WILL CONTINUE ACROSS THE REGION INTO THIS EVENING.
WILL INCLUDE VCTS AT ALL SITES AND WILL USE A TEMPO GROUP FOR
KMLC... WHICH APPEARS LIKELY TO BE AFFECTED BY A STORM OVER THE
NEXT HOUR OR SO.

&&

.PREV DISCUSSION... /ISSUED 311 PM CDT WED JUL 10 2013/

DISCUSSION...
ANOTHER HOT DAY WELL UNDERWAY ACROSS EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS EVEN AS A COLD FRONT HAS MOVED INTO THE
AREA. THE COLD FRONT CURRENTLY EXTENDS FROM NEAR KSTL TO
NEAR KRVS WITH ANOTHER WEAK TROF OF LOW PRESSURE ACROSS
NORTHWEST ARKANSAS. SHOWERS AND A FEW THUNDERSTORMS HAVE DEVELOPED
THIS AFTERNOON IN THE VICINITY OF THE FRONTAL BOUNDARY. THE CHANCES
OF SHOWERS AND THUNDERSTORMS WILL CONTINUE NEAR THE BOUNDARY INTO
THIS EVENING. THERE IS ALSO SOME POTENTIAL FOR THE ACTIVITY TO
CONTINUE INTO THE OVERNIGHT HOURS. THERE IS THE POTENTIAL FOR
SOME OF THE STORMS TO BECOME SEVERE LATE THIS AFTERNOON AND EVENING
WITH WIND GUSTS APPROACHING 80 MPH WITH THE STRONGEST STORMS.

WILL TRIM SOME COUNTIES OFF OF THE HEAT ADVISORY AND LET THE
EXCESSIVE HEAT WARNING FOR TULSA COUNTY EXPIRE AT 01Z. WILL KEEP
THE COUNTIES SOUTH OF THE BOUNDARY IN A HEAT ADVISORY THAT WILL
CONTINUE THROUGH THURSDAY AFTERNOON. MAY SEE ISOLATED SHOWERS
AND THUNDERSTORMS ACROSS THE AREA ON THURSDAY AS THE BOUNDARY
LINGERS.

WILL KEEP THE FORECAST FROM FRIDAY INTO THE MIDDLE OF NEXT
WEEK DRY WITH TEMPERATURES AT OR SLIGHTLY ABOVE NORMAL FOR
THIS TIME OF YEAR. THE MODELS CONTINUE TO SHOW THE UPPER LEVEL
LOW CURRENTLY AFFECTING SOUTH FLORIDA MOVING WEST ACROSS SOUTH
TEXAS OVER THE WEEKEND SHOVING THE UPPER LEVEL RIDGE CURRENTLY
OVER OUR AREA TO THE NORTH. THE UPPER LEVEL LOW LOOKS TO BE TOO
FAR SOUTH TO BRING ANY SHOWER OR THUNDERSTORMS TO THE AREA.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...EXCESSIVE HEAT WARNING UNTIL 8 PM WEDNESDAY FOR OKZ060.

     HEAT ADVISORY UNTIL 8 PM WEDNESDAY FOR OKZ054-OKZ055-OKZ056-
     OKZ057-OKZ058-OKZ059-OKZ061-OKZ062-OKZ063-OKZ067-OKZ068-
     OKZ069-OKZ072.

     HEAT ADVISORY UNTIL 7 PM THURSDAY FOR OKZ049-OKZ053-OKZ064-
     OKZ065-OKZ066-OKZ070-OKZ071-OKZ073-OKZ074-OKZ075-OKZ076.

AR...HEAT ADVISORY UNTIL 8 PM WEDNESDAY FOR ARZ001-ARZ002-ARZ010-
     ARZ011-ARZ019-ARZ020-ARZ029.

&&

AVIATION...06

Hazardous weather outlook, Jul 10, 9:00 PM CDT, 21 minutes before

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In the hours before

Special weather statement, Jul 10, 7:54 PM CDT, 1 hour 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
754 PM CDT WED JUL 10 2013

ARZ020-110130-
FRANKLIN AR-
754 PM CDT WED JUL 10 2013

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 830 PM CDT
FOR THE FOLLOWING COUNTY...

IN WEST CENTRAL ARKANSAS
     SOUTHERN FRANKLIN

AT 754 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER PETER
PENDER...MOVING SOUTHEAST AT 15 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...CHARLESTON...BRANCH...PETER
PENDER...VESTA...MEG...FORT CHAFFEE AND ETNA.

THIS STORM WILL BE CAPABLE OF PRODUCING NICKEL SIZE HAIL AND WIND
GUSTS TO 50 MPH.

LAT...LON 3531 9380 3532 9390 3523 9392 3523 9393
      3523 9402 3521 9403 3521 9405 3522 9408
      3539 9407 3545 9380
TIME...MOT...LOC 0054Z 328DEG 12KT 3535 9392

Special weather statement, Jul 10, 8:04 PM CDT, 1 hour 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
804 PM CDT WED JUL 10 2013

ARZ019-020-110145-
CRAWFORD AR-FRANKLIN AR-
804 PM CDT WED JUL 10 2013

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 845 PM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     NORTHEASTERN CRAWFORD

IN WEST CENTRAL ARKANSAS
     NORTHERN FRANKLIN

AT 804 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER BIDVILLE...
MOVING SOUTHEAST AT 20 MPH. SOME LOCATIONS THAT WILL BE AFFECTED BY
THIS STORM INCLUDE...PARADISE...PINEY...BIDVILLE...LONELM...
CRAVENS...WATALULA...JETHRO...MOUNTAIN TOP...FERN...BARNES...TURNERS
BEND...CASS...MOUNTAINBURG...CHESTER...LOCKE...MOUNT GAYLER AND LAKE
FORT SMITH.

THIS STORM WILL BE CAPABLE OF PRODUCING NICKEL SIZE HAIL AND WIND
GUSTS TO 50 MPH.

LAT...LON 3554 9370 3555 9417 3575 9418 3575 9413
      3576 9412 3576 9384 3559 9369
TIME...MOT...LOC 0104Z 314DEG 17KT 3573 9400

Local storm report, Jul 10, 8:19 PM CDT, 1 hour 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
819 PM CDT WED JUL 10 2013

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

0415 PM     TSTM WND DMG     3 S PIERCE              35.39N 95.72W
07/10/2013                   MCINTOSH           OK   LAW ENFORCEMENT

            LARGE OAK TREE DOWN...TREE LIMBS ONE TO TWO INCHES IN
            DIAMETER ALSO SNAPPED. ESTIMATED WIND SPEED 65 MPH. TIME
            ADJUSTED BASED ON RADAR.

&&

LACY

Special weather statement, Jul 10, 8:25 PM CDT, 56 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
825 PM CDT WED JUL 10 2013

ARZ010-110200-
WASHINGTON AR-
825 PM CDT WED JUL 10 2013

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 900 PM CDT
FOR THE FOLLOWING COUNTY...

IN NORTHWEST ARKANSAS
     SOUTHERN WASHINGTON

AT 825 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM HICKS TO LINCOLN...MOVING SOUTH AT 20 MPH. SOME
LOCATIONS THAT WILL BE AFFECTED BY THESE STORMS INCLUDE...HICKS...
ODELL...WINSLOW...WEST FORK...LINCOLN...PRAIRIE GROVE...BLACKBURN...
HOGEYE...STRICKLER...BRENTWOOD...WOOLSEY...WYOLA...CLYDE...ARNETT...
CANEHILL...DURHAM...SULPHUR CITY...BLACK OAK AND DEVILS DEN STATE
PARK.

THESE STORMS WILL BE CAPABLE OF PRODUCING NICKEL SIZE HAIL AND WIND
GUSTS TO 50 MPH.

LAT...LON 3590 9401 3576 9399 3577 9412 3575 9413
      3575 9414 3577 9443 3597 9443 3599 9396
      3590 9395
TIME...MOT...LOC 0125Z 009DEG 17KT 3593 9403 3592 9441

Local storm report, Jul 10, 8:30 PM CDT, 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
830 PM CDT WED JUL 10 2013

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

0743 PM     TSTM WND DMG     4 WSW FARMINGTON        36.02N 94.31W
07/10/2013                   WASHINGTON         AR   BROADCAST MEDIA

            TV MEDIA TWEETED A PIC OF STORM DAMAGE TO A SHED NEAR
            FARMINGTON. TIME ESTIMATED BASED ON RADAR.

&&

LACY

Special weather statement, Jul 10, 9:21 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 11, 3:45 AM CDT	Heat Advisory	TSA	Wagoner	15 hr
Jul 11, 2:53 PM CDT	Special Weather Statement	TSA	Sequoyah	37 min
Jul 11, 2:55 PM CDT	Special Weather Statement	TSA	Choctaw	35 min
Jul 11, 3:24 PM CDT	Special Weather Statement	TSA	Choctaw	36 min
Jul 11, 3:35 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	55 min
Jul 11, 4:06 PM CDT	Special Weather Statement	TSA	Creek	24 min
Jul 11, 4:53 PM CDT	Special Weather Statement	TSA	Creek	37 min
Jul 11, 4:54 PM CDT	Special Weather Statement	TSA	Okmulgee	36 min
Jul 11, 4:57 PM CDT	Severe Thunderstorm Warning	TSA	Creek	33 min
Jul 11, 5:09 PM CDT	Special Weather Statement	TSA	Creek	36 min
Jul 11, 5:13 PM CDT	Special Weather Statement	TSA	Pushmataha	32 min
Jul 11, 5:25 PM CDT	Special Weather Statement	TSA	Creek	35 min
Jul 11, 5:32 PM CDT	Special Weather Statement	TSA	Tulsa	28 min
Jul 11, 5:37 PM CDT	Special Weather Statement	TSA	Okfuskee	38 min
Jul 11, 5:50 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	40 min
Jul 11, 6:17 PM CDT	Special Weather Statement	TSA	Pushmataha	28 min
Jul 11, 6:23 PM CDT	Special Weather Statement	TSA	Creek	37 min
Jul 10, 7:08 PM CDT	Special Weather Statement	TSA	Madison	37 min
Jul 10, 7:13 PM CDT	Severe Thunderstorm Warning	TSA	Franklin, Madison	62 min
Jul 10, 7:34 PM CDT	Special Weather Statement	TSA	Washington	41 min
Jul 10, 7:40 PM CDT	Severe Thunderstorm Warning	TSA	Franklin, Madison, Washington	65 min
Jul 10, 7:54 PM CDT	Special Weather Statement	TSA	Franklin	36 min
Jul 10, 8:04 PM CDT	Special Weather Statement	TSA	Franklin	41 min
Jul 10, 8:25 PM CDT	Special Weather Statement	TSA	Washington	35 min
Jul 10, 8:34 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Madison, Washington	41 min
Jul 10, 8:58 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian	62 min
Jul 11, 4:54 AM CDT	Special Weather Statement	TSA	Sebastian	36 min
Jul 11, 3:20 PM CDT	Special Weather Statement	TSA	Crawford	25 min
Jul 11, 3:42 PM CDT	Special Weather Statement	TSA	Crawford	33 min

Nearby

Special Weather Statements in Arkansas, 2013 Every special weather statement in 2013

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.