Alert archive / Oklahoma / Special Weather Statements in 2011

Special Weather Statement, NWS Tulsa, OK

October 18, 2011Latimer County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Oct 18, 2011, 12:45 AM CDT for Latimer County, Oklahoma. It was in force for 30 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: Oct 18, 2011, 12:45 AM CDT (05:45 UTC)
Expired: Oct 18, 2011, 1:15 AM CDT
In force: 30 min
Issued by: NWS Tulsa, OK

County Latimer County, OK

The radar

The Western Arkansas radar (KSRX), 91 km from the middle of the area, began a volume at 05:45 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

Norman, OK (KOUN), launched 00:00Z, 5.8 hours before the alert went out and 208 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: 19 J/kg
Mixed-layer CIN: -528 J/kg
Mixed-layer LCL: 1195 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 252 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.4

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 Oct 17, 11:47 PM CDT, 58 minutes earlier.

Area forecast discussion, Oct 17, 11:47 PM CDT, 58 minutes before

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Hazardous weather outlook, Oct 17, 9:35 PM CDT, 3 hours 10 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
935 PM CDT MON OCT 17 2011

ARZ001-002-010-011-019-020-029-OKZ049-053>076-181445-
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-
935 PM CDT MON OCT 17 2011

...STRONG COLD FRONT MOVING ACROSS THE REGION TONIGHT...

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

.DAY ONE...TONIGHT.

SEVERE THUNDERSTORM.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

FLASH FLOOD.
	RISK...LIMITED.
	AREA... EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

HEAVY RAIN.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

SIGNIFICANT WINDS.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

DISCUSSION...
SHOWERS AND THUNDERSTORMS CONTINUE TO PUSH ACROSS THE REGION THIS
EVENING AS A STRONG COLD FRONT MOVES THROUGH. LIMITED INSTABILITY
CONTINUES TO CREATE LIMITED SEVERE WEATHER POTENTIAL IN THE
PROXIMITY OF THE FRONTAL BOUNDARY WITH LARGE HAIL AND STRONG WINDS
BEING THE MAIN THREATS. THE SEVERE WEATHER THREAT SHOULD DECREASE
OVERNIGHT AS THE FRONTAL BOUNDARY SHIFTS TO THE SOUTHEAST. AREAS
RECEIVING WIDESPREAD PRECIPITATION WILL HAVE A RISK OF HEAVY RAIN
WITH A LIMITED THREAT OF FLASH FLOOD CONDITIONS.

BEHIND THE COLD FRONT...RAPID PRESSURE RISES WERE ALLOWING FOR
NORTHERLY WINDS TO GUST OVER 30 MPH...WITH ISOLATED GUSTS OVER 40
MPH ASSOCIATED WITHIN THE THUNDERSTORM ACTIVITY. GUSTY NORTHERLY
WINDS ARE EXPECTED TO CONTINUE TO SPREAD ACROSS THE REGION
OVERNIGHT AS THE COLD FRONT EXITS TO THE SOUTHEAST EARLY TUESDAY
MORNING.

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

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
TUESDAY AND WEDNESDAY...HIGH WIND POTENTIAL.
THURSDAY AND FRIDAY...NO HAZARDS.
SATURDAY AND SUNDAY...THUNDERSTORM POTENTIAL.

EXTENDED DISCUSSION...
GUSTY NORTHERLY WINDS AND COOLER TEMPERATURES ARE EXPECTED TO
CONTINUE ACROSS THE REGION TUESDAY AND WEDNESDAY. THESE WINDS
ALONG WITH DRIER AIR WILL CONTINUE AT LEAST A LIMITED FIRE
WEATHER POTENTIAL. CHANCES FOR THUNDERSTORMS LOOK TO RETURN TO THE
REGION FOR THE WEEKEND AS ANOTHER COLD FRONT APPROACHES.

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

In the hours before

Special weather statement, Oct 17, 9:17 PM CDT, 3 hours 28 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
917 PM CDT MON OCT 17 2011

OKZ049-074>076-180245-
HASKELL OK-LATIMER OK-LE FLORE OK-PUSHMATAHA OK-
917 PM CDT MON OCT 17 2011

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 945 PM CDT
FOR THE FOLLOWING COUNTIES...

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

AT 917 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 4 MILES NORTHWEST OF MCCURTAIN TO 4 MILES NORTH OF
BENGAL TO 3 MILES SOUTHEAST OF SARDIS...MOVING EAST AT 40 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
MCCURTAIN...TUSKAHOMA...BENGAL...KEOTA...FANSHAWE...KIAMICHI...
BOKOSHE...TALIHINA...ALBION...TALIMENA STATE PARK...LAKE WISTER STATE
PARK...WISTER...PANAMA...HEAVENER RUNESTONE STATE PARK...POCOLA...
SPIRO...CAMERON...HOWE...HEAVENER...WHITESBORO...MUSE...BIG CEDAR AND
POTEAU.

THESE STORMS WILL BE CAPABLE OF PRODUCING PENNY 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 3458 9553 3490 9536 3528 9520 3530 9444
      3461 9446
TIME...MOT...LOC 0217Z 256DEG 36KT 3519 9497 3490 9502
          3466 9531

Special weather statement, Oct 17, 9:39 PM CDT, 3 hours 6 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
939 PM CDT MON OCT 17 2011

ARZ002-011-180330-
CARROLL AR-MADISON AR-
939 PM CDT MON OCT 17 2011

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 1030 PM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     SOUTHEASTERN CARROLL AND CENTRAL MADISON

AT 939 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 2 MILES SOUTHWEST
OF WITHROW SPRINGS STATE PARK...MOVING EAST AT 25 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WITHROW
SPRINGS STATE PARK...FORUM...MARBLE...KINGSTON...RUDD...OSAGE AND
CARROLLTON.

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

LAT...LON 3612 9330 3612 9347 3609 9347 3608 9345
      3608 9344 3604 9345 3605 9379 3621 9380
      3627 9329 3612 9329
TIME...MOT...LOC 0239Z 267DEG 22KT 3613 9374

Special weather statement, Oct 17, 9:44 PM CDT, 3 hours 1 minute before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
944 PM CDT MON OCT 17 2011

ARZ020-029-OKZ049-053-074>076-180330-
CHOCTAW OK-FRANKLIN AR-HASKELL OK-LATIMER OK-LE FLORE OK-PUSHMATAHA
OK-SEBASTIAN AR-
944 PM CDT MON OCT 17 2011

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 1030 PM CDT
FOR THE FOLLOWING COUNTIES...

IN WEST CENTRAL ARKANSAS
     SOUTHWESTERN FRANKLIN AND SEBASTIAN

IN SOUTHEAST OKLAHOMA
     CHOCTAW...SOUTHEASTERN HASKELL...LE FLORE...PUSHMATAHA AND
     EASTERN LATIMER

AT 942 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTHWEST OF SHADY POINT TO 4 MILES SOUTH OF
SOPER...MOVING EAST AT 40 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS
INCLUDE...PANAMA...RATTAN...WISTER...SPIRO...MESSER...CLOUDY...
POTEAU...HUGO...WHITESBORO...HOWE...POCOLA...HACKETT...HEAVENER...
EXCELSIOR...FORT TOWSON...JENNY LIND...HARTFORD...GREENWOOD...BIG
CEDAR...HUNTINGTON...MANSFIELD...OCTAVIA...FORT CHAFFEE...BRANCH AND
CHARLESTON.

THESE STORMS WILL BE CAPABLE OF PRODUCING PENNY 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 3388 9555 3393 9559 3388 9587 3529 9490
      3533 9381 3531 9391 3523 9393 3522 9402
      3513 9404 3507 9423 3496 9424 3492 9444
      3450 9446 3450 9504 3424 9504 3423 9514
      3393 9516 3395 9522 3388 9526 3386 9539
TIME...MOT...LOC 0242Z 259DEG 36KT 3509 9469 3399 9565

Special weather statement, Oct 17, 10:31 PM CDT, 2 hours 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1031 PM CDT MON OCT 17 2011

ARZ010-011-019-020-029-OKZ049-076-180415-
CRAWFORD AR-FRANKLIN AR-LE FLORE OK-MADISON AR-PUSHMATAHA
OK-SEBASTIAN AR-WASHINGTON AR-
1031 PM CDT MON OCT 17 2011

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 1115 PM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     CRAWFORD...SOUTHERN MADISON AND SOUTHEASTERN WASHINGTON

IN WEST CENTRAL ARKANSAS
     FRANKLIN AND SEBASTIAN

IN SOUTHEAST OKLAHOMA
     SOUTHEASTERN LE FLORE AND NORTHEASTERN PUSHMATAHA

AT 1031 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 3 MILES WEST OF DELANEY TO 2 MILES SOUTHWEST OF BIG
CEDAR...MOVING EAST AT 30 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
MIDLAND...HARTFORD...FERN...GREENWOOD...LAVACA...MULBERRY...
BLOOMER...HUNTINGTON...BURNVILLE...MANSFIELD...SAINT PAUL...CASS...
CHARLESTON...WASHBURN...FORT CHAFFEE...BRANCH...PETTIGREW...OZARK...
BOSTON...WIEDERKEHR VILLAGE...ALTUS AND DENNING.

THESE STORMS WILL BE CAPABLE OF PRODUCING PENNY SIZE HAIL. THESE
STORMS WILL BE CAPABLE OF PRODUCING 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 3576 9352 3576 9369 3538 9370 3536 9375
      3540 9380 3532 9381 3532 9390 3523 9393
      3522 9402 3513 9404 3514 9413 3510 9414
      3507 9423 3496 9424 3492 9444 3451 9446
      3450 9500 3450 9501 3597 9408 3584 9352
TIME...MOT...LOC 0331Z 289DEG 25KT 3584 9395 3462 9467

Special weather statement, Oct 17, 10:35 PM CDT, 2 hours 10 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1035 PM CDT MON OCT 17 2011

ARZ002-011-180415-
CARROLL AR-MADISON AR-
1035 PM CDT MON OCT 17 2011

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 1115 PM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     CARROLL AND MADISON

AT 1035 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM URBANETTE TO 4 MILES NORTHEAST OF CROSSES...MOVING
EAST AT 30 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
BERRYVILLE...URBANETTE...AURORA...OAK GROVE...MARBLE...WITTER...GREEN
FOREST...RULE...RUDD...BOSTON...KINGSTON...OSAGE AND CARROLLTON.

THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH.

LAT...LON 3612 9347 3609 9347 3608 9344 3597 9345
      3592 9350 3587 9352 3581 9351 3588 9395
      3598 9395 3651 9371 3650 9330 3635 9329
      3612 9329
TIME...MOT...LOC 0335Z 270DEG 25KT 3644 9355 3591 9385

Special weather statement, Oct 18, 12:45 AM 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
Oct 17, 7:11 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Okmulgee	64 min
Oct 17, 7:19 PM CDT	Special Weather Statement	TSA	Creek	41 min
Oct 17, 7:46 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	59 min
Oct 17, 7:53 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Muskogee, Okmulgee, Tulsa, Wagoner	26 min
Oct 17, 8:37 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, Pittsburg	38 min
Oct 17, 8:51 PM CDT	Special Weather Statement	TSA	Craig, Nowata, Ottawa	39 min
Oct 17, 9:01 PM CDT	Special Weather Statement	TSA	Choctaw, Pushmataha	59 min
Oct 17, 9:17 PM CDT	Special Weather Statement	TSA	Haskell, Latimer, LeFlore	28 min
Oct 17, 9:44 PM CDT	Special Weather Statement	TSA	Choctaw, LeFlore, Pushmataha	46 min
Oct 17, 10:31 PM CDT	Special Weather Statement	TSA	LeFlore	44 min
Oct 18, 4:10 PM CDT	Freeze Watch	TSA	Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more	12 hr
Oct 17, 7:43 PM CDT	Special Weather Statement	TSA	Benton	47 min
Oct 17, 8:25 PM CDT	Special Weather Statement	TSA	Benton	65 min
Oct 17, 9:39 PM CDT	Special Weather Statement	TSA	Carroll	51 min
Oct 17, 10:35 PM CDT	Special Weather Statement	TSA	Carroll, Madison	40 min

Nearby

Special Weather Statements in Oklahoma, 2011 Every special weather statement in 2011

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.