Alert archive / Oklahoma / Special Weather Statements in 2012

Special Weather Statement, NWS Tulsa, OK

March 8, 2012LeFlore County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Mar 8, 2012, 5:33 PM CST for LeFlore County, Oklahoma. It was in force for 42 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: Mar 8, 2012, 5:33 PM CST (23:33 UTC)
Expired: Mar 8, 2012, 6:15 PM CST
In force: 42 min
Issued by: NWS Tulsa, OK

County LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 62 km from the middle of the area, began a volume at 23:34 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, 11.6 hours before the alert went out and 248 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 458 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: 117 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

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 Mar 8, 5:24 PM CST, 9 minutes earlier.

Area forecast discussion, Mar 8, 5:24 PM CST, 9 minutes before

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Hazardous weather outlook, Mar 8, 4:23 PM CST, 1 hour 10 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
423 PM CST THU MAR 8 2012

ARZ001-002-010-011-019-020-029-OKZ049-053>076-091100-
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-
423 PM CST THU MAR 8 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THUNDERSTORMS WITH DANGEROUS LIGHTNING.
	RISK...SIGNIFICANT.
	AREA...MAINLY SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

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

DISCUSSION...
A COLD FRONT HAS MOVED THROUGH ALL OF EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS. SHOWERS AND A FEW THUNDERSTORMS WILL CONTINUE
THIS AFTERNOON WITH PERIODS OF SLEET AND SMALL HAIL POSSIBLE IN THE
HEAVIER ACTIVITY. SOME ISOLATED MARGINALLY SEVERE HAIL IS POSSIBLE.
THE THREAT OF HEAVY RAINFALL IS SHIFTING TO THE EAST AND SOUTH OF
THE AREA. NORTH WINDS WILL OCCASIONALLY GUST TO NEAR OR ABOVE 30
MILES AN HOUR THIS AFTERNOON.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION NOT EXPECTED.

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

EXTENDED DISCUSSION...
AN UPPER LEVEL STORM SYSTEM MOVING NORTHEAST FROM NEW MEXICO OVER
THE WEEKEND WILL COMBINE WITH A WARM FRONTAL BOUNDARY MOVING NORTH
FROM TEXAS TO BRING INCREASING RAIN AND THUNDERSTORMS CHANCES OVER
THE WEEKEND.

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

In the hours before

Special weather statement, Mar 8, 4:31 PM CST, 1 hour 2 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
431 PM CST THU MAR 8 2012

ARZ029-OKZ076-082300-
LE FLORE OK-SEBASTIAN AR-
431 PM CST THU MAR 8 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 500 PM CST
FOR THE FOLLOWING COUNTIES...

IN WEST CENTRAL ARKANSAS
     CENTRAL SEBASTIAN

IN SOUTHEAST OKLAHOMA
     EASTERN LE FLORE

AT 432 PM CST...A STRONG THUNDERSTORM WAS LOCATED OVER POTEAU...
MOVING NORTHEAST AT 55 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...MIDLAND...
EXCELSIOR...GREENWOOD AND BURNVILLE.

THIS STORM WILL BE CAPABLE OF PRODUCING DIME TO PENNY SIZE HAIL.

LAT...LON 3527 9417 3517 9411 3500 9462 3504 9465
TIME...MOT...LOC 2232Z 244DEG 49KT 3505 9456

Local storm report, Mar 8, 4:39 PM CST, 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
439 PM CST THU MAR 08 2012

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

0345 PM     HAIL             4 NE YANUSH             34.75N 95.26W
03/08/2012  E1.25 INCH       LATIMER            OK   PUBLIC

&&

JDS

Special weather statement, Mar 8, 4:47 PM CST, 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
447 PM CST THU MAR 8 2012

OKZ064-065-082315-
CREEK OK-OKFUSKEE OK-
447 PM CST THU MAR 8 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 515 PM CST
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     SOUTHWESTERN CREEK

IN EAST CENTRAL OKLAHOMA
     NORTHWESTERN OKFUSKEE

AT 447 PM CST...A THUNDERSTORM WAS LOCATED 18 MILES SOUTHWEST OF
MILFAY...MOVING NORTHEAST AT 40 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...DEPEW.

THIS STORM WILL BE CAPABLE OF PRODUCING DIME SIZE HAIL.

LAT...LON 3582 9649 3570 9638 3558 9662 3573 9663
TIME...MOT...LOC 2247Z 235DEG 36KT 3559 9675

Special weather statement, Mar 8, 4:52 PM CST, 41 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
452 PM CST THU MAR 8 2012

ARZ001-002-010-011-082315-
BENTON AR-CARROLL AR-MADISON AR-WASHINGTON AR-
452 PM CST THU MAR 8 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 515 PM CST
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     SOUTHEASTERN BENTON...WESTERN CARROLL...NORTHWESTERN MADISON AND
     NORTHERN WASHINGTON

AT 451 PM CST...THUNDERSTORMS WERE LOCATED 3 MILES NORTH OF SAVOY
AND 4 MILES SOUTHWEST OF CINCINNATI...MOVING NORTHEAST AT 65 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
TONTITOWN...CAVE SPRINGS...LOWELL...SPRINGDALE...WAR EAGLE AND HOBBS
STATE PARK.

THESE STORMS WILL BE CAPABLE OF PRODUCING DIME TO PENNY SIZE HAIL.

LAT...LON 3620 9388 3597 9453 3602 9454 3624 9431
      3648 9368
TIME...MOT...LOC 2251Z 245DEG 57KT 3618 9426 3601 9447

Special weather statement, Mar 8, 5:00 PM CST, 33 minutes before

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Special weather statement, Mar 8, 5:33 PM CST, 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
Mar 8, 11:13 AM CST	Special Weather Statement	TSA	Cherokee	32 min
Mar 8, 2:55 PM CST	Special Weather Statement	TSA	Pushmataha	65 min
Mar 8, 3:01 PM CST	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg, Pushmataha	59 min
Mar 8, 3:19 PM CST	Special Weather Statement	TSA	McIntosh	26 min
Mar 8, 3:40 PM CST	Severe Thunderstorm Warning	TSA	Latimer, LeFlore, Pushmataha	65 min
Mar 8, 3:59 PM CST	Special Weather Statement	TSA	Cherokee, Muskogee	31 min
Mar 8, 4:21 PM CST	Special Weather Statement	TSA	Adair, Cherokee	24 min
Mar 8, 4:47 PM CST	Special Weather Statement	TSA	Creek	28 min
Mar 8, 5:00 PM CST	Special Weather Statement	TSA	LeFlore	45 min
Mar 8, 5:03 AM CST	Special Weather Statement	TSA	Sebastian	42 min
Mar 8, 1:53 PM CST	Special Weather Statement	TSA	Sebastian	37 min
Mar 8, 4:31 PM CST	Special Weather Statement	TSA	Sebastian	29 min
Mar 8, 4:52 PM CST	Special Weather Statement	TSA	Benton	23 min

Nearby

Special Weather Statements in Oklahoma, 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.