Alert archive / Arkansas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 59, NWS Tulsa, OK

May 13, 2010Adair County, Sequoyah County, Oklahoma; 4 counties in Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 13, 2010, 1:46 PM CDT for Adair County, Sequoyah County, Oklahoma; 4 counties in Arkansas. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 13, 2010, 1:46 PM CDT (18:46 UTC)
Expired: May 13, 2010, 2:45 PM CDT
In force: 59 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Crawford County, AR, Franklin County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 52 km from the middle of the area, began a volume at 18:49 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, 6.8 hours before the alert went out and 135 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: 139 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 570 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 259 m²/s²
0-3 km storm-relative helicity: 313 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 13, 12:41 PM CDT, 1 hour 5 minutes earlier.

Area forecast discussion, May 13, 12:41 PM CDT, 1 hour 5 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1241 PM CDT THU MAY 13 2010

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KMLC/KXNA/KFYV/KFSM.
RAIN AND ISOLATED THUNDERSTORMS WILL AFFECT ALL TAF SITES THROUGH
THE FORECAST PERIOD. CEILINGS AND VISIBILITIES WILL MOSTLY BE IN
THE MVFR RANGE...BUT MAY OCCASIONALLY DROP INTO THE IFR CATEGORY.

&&

.PREV DISCUSSION... /ISSUED 1138 AM CDT THU MAY 13 2010/

DISCUSSION...
COLD FRONT EXTENDING FROM FAR NORTHWEST ARKANSAS TO SOUTH OF
MCALESTER WILL CONTINUE TO SAG SLOWLY SOUTHEAST THIS AFTERNOON.
A LARGE AREA OF SHOWERS AND THUNDERSTORMS IS SPREADING NORTH AND
EAST INTO EASTERN OKLAHOMA AND WILL OVERSPREAD MUCH OF THE AERA
SOUTHEAST OF INTERSTATE 44 THIS AFTERNOON. RAIN CHANCES WILL BE
CONSIDERABLY LOWER TO THE NORTHWEST OF INTERSTATE 44 WHERE SOME
DRIER AIR IS TRYING TO WORK IN FROM THE NORTH. A LIMITED SEVERE
WEATHER RISK WILL REMAIN THIS AFTERNOON IN PARTS OF SOUTHEAST
OKLAHOMA AND WEST CENTRAL ARKANSAS...BUT THE BIGGER CONCERN OVER
THE NEXT FEW DAYS WILL BECOME HEAVY RAINFALL AS SEVERAL ROUNDS OF
SHOWERS AND THUNDERSTORMS ARE EXPECTED.

HAVE ADJUSTED FIRST PERIOD TEMPERATURES AND POPS TO FIT CURRENT
CONDITIONS. UPDATED PRODUCTS ARE ON THE WAY.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
AR...NONE.

&&

AVIATION...05

Hazardous weather outlook, May 13, 1:14 PM CDT, 32 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
114 PM CDT THU MAY 13 2010

ARZ001-002-010-011-019-020-029-OKZ049-053>076-141000-
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-
114 PM CDT THU MAY 13 2010

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...SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

FLASH FLOOD.
	RISK...ELEVATED.
	AREA...SOUTHEAST OF INTERSTATE 44.
	ONSET...ONGOING.

HEAVY RAIN.
	RISK...ELEVATED.
	AREA...SOUTHEAST OF INTERSTATE 44.
	ONSET...ONGOING.

DISCUSSION...
OCCASIONAL SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS
THE AREA THIS AFTERNOON AND TONIGHT. A SLOW MOVING COLD FRONT
EXTENDING FROM THE NORTHWEST CORNER OF ARKANSAS TO NEAR WILBURTON
WILL SAG SLOWLY SOUTHEAST. A FEW OF THE STORMS NEAR AND SOUTH OF
THE FRONT MAY BECOME SEVERE THIS AFTERNOON AND EVENING WITH LARGE
HAIL AND DAMAGING WINDS POSSIBLE. HEAVY RAIN AND FLASH FLOOD
POTENTIAL WILL BE INCREASING TO THE SOUTHEAST OF INTERSTATE 44 AS
SEVERAL ROUNDS OF SHOWERS AND THUNDERSTORMS MOVE ACROSS THE SAME
AREA.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION MAY BE NEEDED IN SOUTHEAST OKLAHOMA AND
NORTHWEST ARKANSAS THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
FRIDAY AND SATURDAY...THUNDERSTORM POTENTIAL...HEAVY RAIN POTENTIAL.
SUNDAY THROUGH WEDNESDAY...THUNDERSTORM POTENTIAL.

EXTENDED DISCUSSION...
AN ACTIVE PERIOD WILL REMAIN ACROSS THE AREA THROUGH EARLY NEXT
WEEK...WITH HEAVY RAIN BEING THE PRIMARY THREAT. WIDESPREAD
SEVERE WEATHER IS NOT EXPECTED...BUT ISOLATED SEVERE STORMS CANNOT
BE RULED OUT.

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

In the hours before

Local storm report, May 13, 11:50 AM CDT, 1 hour 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1150 AM CDT THU MAY 13 2010

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

0430 AM     TSTM WND DMG     BRISTOW                 35.83N 96.39W
05/13/2010                   CREEK              OK   PUBLIC

            MULTIPLE TREES DOWN IN AND AROUND BRISTOW. STRUCTURE AT
            THE CORNER OF S.339TH W AVE AND W. 261ST STREET SOUTH HAD
            ROOF TORN OFF.

0435 AM     TSTM WND DMG     KELLYVILLE              35.94N 96.21W
05/13/2010                   CREEK              OK   PUBLIC

            SEVERAL HOMES SUSTAINED ROOF DAMAGE IN AND AROUND
            KELLYVILLE.

&&

RBD

Local storm report, May 13, 11:57 AM CDT, 1 hour 49 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE TULSA OK
1157 AM CDT THU MAY 13 2010

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

0550 AM     TSTM WND DMG     LEACH                   36.20N 94.92W
05/13/2010                   DELAWARE           OK   PUBLIC

            TREE LIMBS DOWN IN LEACH.

&&

RBD

Special weather statement, May 13, 12:39 PM CDT, 1 hour 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1239 PM CDT THU MAY 13 2010

OKZ049-073-131845-
PITTSBURG OK-PUSHMATAHA OK-
1239 PM CDT THU MAY 13 2010

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 145 PM CDT
FOR THE FOLLOWING COUNTIES...

IN SOUTHEAST OKLAHOMA
     SOUTHERN PITTSBURG AND NORTHWESTERN PUSHMATAHA

AT 1239 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 20 MILES SOUTHWEST OF KIOWA TO 19 MILES WEST OF
DARWIN...MOVING NORTHEAST AT 40 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THESE STORMS INCLUDE...KIOWA...BLANCO...HARTSHORNE...
MOYERS...KOSOMA AND DUNBAR.

THESE STORMS WILL BE CAPABLE OF PRODUCING PENNY SIZE HAIL AND WIND
GUSTS TO 40 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE
THE SIGNIFICANT WEATHER ADVISORY IS UPGRADED TO A WARNING.

LAT...LON 3451 9579 3452 9568 3459 9568 3459 9588
      3468 9589 3468 9608 3472 9610 3494 9555
      3469 9552 3469 9550 3441 9546 3423 9579
TIME...MOT...LOC 1739Z 236DEG 36KT 3460 9618 3417 9607

Local storm report, May 13, 1:17 PM CDT, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
117 PM CDT THU MAY 13 2010

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

0637 AM     TSTM WND DMG     SPRINGDALE              36.19N 94.13W
05/13/2010                   WASHINGTON         AR   PUBLIC

            SWATH OF TREE DAMAGE FROM SW TO NE 100 YARDS WIDE

&&

RBD

Special weather statement, May 13, 1:30 PM CDT, 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
130 PM CDT THU MAY 13 2010

OKZ049-053-073-075-076-131930-
CHOCTAW OK-LATIMER OK-LE FLORE OK-PITTSBURG OK-PUSHMATAHA OK-
130 PM CDT THU MAY 13 2010

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 230 PM CDT
FOR THE FOLLOWING COUNTIES...

IN SOUTHEAST OKLAHOMA
     WESTERN LE FLORE...SOUTHEASTERN PITTSBURG...NORTHERN CHOCTAW...
     PUSHMATAHA AND SOUTHERN LATIMER

AT 131 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTHWEST OF STANLEY TO 4 MILES SOUTHEAST OF
DUNBAR TO ANTLERS...MOVING NORTHEAST AT 40 MPH. SOME LOCATIONS THAT
WILL BE AFFECTED BY THESE STORMS INCLUDE...YANUSH...BENGAL...MUSE...
WHITESBORO...TALIHINA...ANTLERS...CLAYTON...CLOUDY...SNOW...
NASHOBA...STANLEY...TUSKAHOMA...KIAMICHI...ALBION...KELLOND AND
DUNBAR.

THESE STORMS 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 3441 9557 3466 9566 3497 9478 3472 9469
      3450 9484 3451 9504 3438 9503 3412 9576
TIME...MOT...LOC 1831Z 247DEG 33KT 3461 9552 3445 9546
          3423 9560

Special weather statement, May 13, 1:35 PM CDT, 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
135 PM CDT THU MAY 13 2010

ARZ010-019-029-OKZ069-072-074>076-131930-
ADAIR OK-CRAWFORD AR-HASKELL OK-LATIMER OK-LE FLORE OK-SEBASTIAN
AR-SEQUOYAH OK-WASHINGTON AR-
135 PM CDT THU MAY 13 2010

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 230 PM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     SOUTHWESTERN WASHINGTON AND CRAWFORD

IN WEST CENTRAL ARKANSAS
     NORTHWESTERN SEBASTIAN

IN NORTHEAST OKLAHOMA
     SOUTHEASTERN ADAIR

IN EAST CENTRAL OKLAHOMA
     EASTERN SEQUOYAH

IN SOUTHEAST OKLAHOMA
     SOUTHEASTERN HASKELL...NORTHERN LE FLORE AND NORTHEASTERN
     LATIMER

AT 136 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES NORTHWEST OF SHORT TO 4 MILES SOUTH OF GANS TO
10 MILES SOUTHWEST OF MILTON...MOVING EAST AT 35 MPH. SOME LOCATIONS
THAT WILL BE AFFECTED BY THESE STORMS INCLUDE...GANS...MULDROW...
ROLAND...SHORT...MOFFETT...CAMERON...PANAMA...BOKOSHE...SPIRO...
POCOLA...ARKOMA...FORT SMITH...HACKETT...BARLING...EXCELSIOR...
BONANZA...JENNY LIND...WINSLOW...BLACKBURN...MOUNTAINBURG...VAN
BUREN...ALMA...CEDARVILLE...NATURAL DAM...CHESTER...DYER...FIGURE
FIVE...RUDY AND LEE CREEK.

THESE STORMS 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 3586 9410 3550 9407 3513 9435 3502 9507
      3532 9479 3578 9460
TIME...MOT...LOC 1836Z 253DEG 29KT 3562 9456 3535 9468
          3507 9495

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 8:36 PM CDT	Special Weather Statement	TSA	Creek	24 min
May 12, 8:40 PM CDT	Severe Thunderstorm Warning	TSA	Creek	35 min
May 12, 8:59 PM CDT	Special Weather Statement	TSA	Osage, Pawnee	31 min
May 12, 9:29 PM CDT	Special Weather Statement	TSA	Tulsa	31 min
May 12, 11:24 PM CDT	Special Weather Statement	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee	51 min
May 12, 11:52 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, McIntosh, Pittsburg	35 min
May 13, 12:10 AM CDT	Special Weather Statement	TSA	Mayes, Muskogee, Wagoner	50 min
May 13, 12:35 AM CDT	Special Weather Statement	TSA	Osage	25 min
May 13, 12:59 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	61 min
May 13, 4:10 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	50 min
May 13, 4:16 AM CDT	Special Weather Statement	TSA	Creek, Pawnee	44 min
May 13, 4:35 AM CDT	Severe Thunderstorm Warning	TSA	Creek, McIntosh, Muskogee, Okfuskee, Okmulgee, Rogers and 2 more	55 min
May 13, 4:56 AM CDT	Severe Thunderstorm Warning	TSA	Mayes, Nowata, Osage, Rogers, Tulsa, Washington	43 min
May 13, 5:09 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Craig, Delaware, McIntosh, Mayes and 4 more	51 min
May 13, 5:22 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Nowata, Ottawa, Rogers	53 min
May 13, 5:24 AM CDT	Special Weather Statement	TSA	McIntosh, Pittsburg	51 min
May 13, 5:45 AM CDT	Tornado Warning	TSA	Adair, Cherokee	30 min
May 13, 5:52 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Craig, Delaware, Ottawa	68 min
May 13, 6:05 AM CDT	Special Weather Statement	TSA	Haskell, Latimer, McIntosh	40 min
May 13, 6:13 AM CDT	Severe Thunderstorm Warning	TSA	Ottawa	18 min
May 13, 9:27 AM CDT	River Flood Warning	TSA	Ottawa	3 days
May 13, 11:48 AM CDT	Special Weather Statement	TSA	Pittsburg	42 min
May 13, 11:59 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, McIntosh, Pittsburg	37 min
May 13, 12:39 PM CDT	Special Weather Statement	TSA	Atoka	66 min
May 13, 1:30 PM CDT	Special Weather Statement	TSA	Pushmataha	60 min
May 13, 1:49 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore, Pushmataha	56 min
May 13, 2:42 PM CDT	Special Weather Statement	TSA	LeFlore	33 min
May 13, 6:41 AM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll, Madison, Washington	64 min
May 13, 1:35 PM CDT	Special Weather Statement	TSA	Crawford	55 min
May 13, 2:09 PM CDT	Tornado Warning	TSA	Crawford, Franklin, Madison, Washington	51 min
May 13, 2:30 PM CDT	Special Weather Statement	TSA	Franklin	60 min
May 13, 2:45 PM CDT	Severe Thunderstorm Warning	TSA	Carroll, Franklin, Madison, Washington	45 min
May 13, 2:58 PM CDT	Tornado Warning	TSA	Carroll, Madison	47 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2010 Severe Thunderstorm Warnings in Oklahoma, 2010 Every severe thunderstorm warning in 2010

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.