Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Tulsa, OK

March 31, 2016LeFlore County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Mar 31, 2016, 6:33 AM CDT 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 31, 2016, 6:33 AM CDT (11:33 UTC)
Expired: Mar 31, 2016, 7:15 AM CDT
In force: 42 min
Issued by: NWS Tulsa, OK

County LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 100 km from the middle of the area, began a volume at 11:33 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, 11.6 hours before the alert went out and 236 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: 1239 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 1391 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 161 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 6.9

Open this sounding in Storm Lab

The text

As transmitted.

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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 31, 6:07 AM CDT, 26 minutes earlier.

Area forecast discussion, Mar 31, 6:07 AM CDT, 26 minutes before

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Hazardous weather outlook, Mar 31, 5:01 AM CDT, 1 hour 32 minutes before

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In the hours before

Special weather statement, Mar 31, 1:52 AM CDT, 4 hours 41 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
152 AM CDT THU MAR 31 2016

ARZ001-010-OKZ062-063-068-069-310730-
WASHINGTON AR-BENTON AR-ADAIR OK-CHEROKEE OK-DELAWARE OK-MAYES OK-
152 AM CDT THU MAR 31 2016

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN BENTON...NORTHWESTERN
WASHINGTON...SOUTHEASTERN MAYES...SOUTHERN DELAWARE...NORTHERN
CHEROKEE AND NORTHERN ADAIR COUNTIES UNTIL 230 AM CDT...

AT 151 AM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER PEGGS...MOVING
EAST AT 65 MPH.

DIME SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
FAYETTEVILLE...                   SPRINGDALE...
BENTONVILLE...                    SILOAM SPRINGS...
GENTRY...                         TONTITOWN...
GRAVETTE...                       DECATUR...
WEST SILOAM SPRINGS...            COLCORD...
KANSAS...                         HIGHFILL...
WATTS...                          OAKS...
SPRINGTOWN...                     LEACH...
PEGGS...                          SCRAPER...
TWIN OAKS...                      CENTERTON...

LAT...LON 3611 9416 3596 9517 3604 9521 3607 9521
      3608 9522 3613 9525 3647 9438
TIME...MOT...LOC 0651Z 250DEG 60KT 3607 9511

Special weather statement, Mar 31, 2:25 AM CDT, 4 hours 8 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
225 AM CDT THU MAR 31 2016

ARZ001-010-OKZ063-069-310800-
WASHINGTON AR-BENTON AR-ADAIR OK-DELAWARE OK-
225 AM CDT THU MAR 31 2016

...SIGNIFICANT WEATHER ADVISORY FOR BENTON...NORTHWESTERN
WASHINGTON...SOUTHEASTERN DELAWARE AND NORTHERN ADAIR COUNTIES UNTIL
300 AM CDT...

AT 224 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 2 MILES SOUTH OF SOUTH WEST CITY TO CHRISTIE...AND
MOVING NORTHEAST AT 65 MPH.

DIME SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH
THESE STORMS.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
SPRINGDALE...                     ROGERS...
BENTONVILLE...                    SILOAM SPRINGS...
BELLA VISTA...                    LOWELL...
PEA RIDGE...                      GENTRY...
TONTITOWN...                      GRAVETTE...
CAVE SPRINGS...                   DECATUR...
WESTVILLE...                      WEST SILOAM SPRINGS...
COLCORD...                        HIGHFILL...
WATTS...                          SPRINGTOWN...
HIWASSE...                        CINCINNATI...

LAT...LON 3650 9462 3650 9412 3620 9416 3590 9474
      3649 9468 3654 9462
TIME...MOT...LOC 0724Z 223DEG 58KT 3647 9460 3596 9470

Special weather statement, Mar 31, 2:54 AM CDT, 3 hours 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
254 AM CDT THU MAR 31 2016

ARZ001-002-011-310830-
BENTON AR-MADISON AR-CARROLL AR-
254 AM CDT THU MAR 31 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MADISON...
NORTHWESTERN CARROLL AND CENTRAL BENTON COUNTIES UNTIL 330 AM CDT...

AT 254 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES NORTHWEST OF PEA RIDGE TO 5 MILES SOUTHWEST OF
GARFIELD TO 3 MILES SOUTHWEST OF TONTITOWN...AND MOVING EAST AT 45
MPH.

DIME SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH
THESE STORMS.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
SPRINGDALE...                     ROGERS...
BENTONVILLE...                    BERRYVILLE...
EUREKA SPRINGS...                 BELLA VISTA...
LOWELL...                         PEA RIDGE...
GREEN FOREST...                   BETHEL HEIGHTS...
CAVE SPRINGS...                   HIGHFILL...
GARFIELD...                       GATEWAY...
BEAVER...                         URBANETTE...
HOBBS STATE PARK...               WAR EAGLE...
GRANDVIEW...                      MILLER...

LAT...LON 3622 9388 3624 9389 3624 9401 3621 9402
      3622 9433 3614 9435 3615 9435 3650 9432
      3650 9347 3633 9344
TIME...MOT...LOC 0754Z 250DEG 40KT 3656 9418 3638 9402 3614 9426

Special weather statement, Mar 31, 6:33 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
Mar 30, 7:00 PM CDT	Special Weather Statement	TSA	Creek	30 min
Mar 30, 7:05 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	40 min
Mar 30, 7:16 PM CDT	Tornado Warning	TSA	Nowata, Washington	29 min
Mar 30, 7:29 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	TSA	Rogers, Tulsa	46 min
Mar 30, 7:35 PM CDT	Severe Thunderstorm Warning	TSA	Osage	25 min
Mar 30, 7:42 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	33 min
Mar 30, 7:51 PM CDT	Tornado Warning	TSA	Craig, Nowata	24 min
Mar 30, 8:08 PM CDT	Tornado Warning Tornado observed	TSA	Mayes, Rogers	52 min
Mar 30, 8:13 PM CDT	Tornado Warning	TSA	Craig	12 min
Mar 30, 8:20 PM CDT	Severe Thunderstorm Warning	TSA	Nowata	25 min
Mar 30, 8:31 PM CDT	Special Weather Statement	TSA	Craig	29 min
Mar 30, 8:41 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	34 min
Mar 30, 8:56 PM CDT	Tornado Warning	TSA	Delaware, Mayes	34 min
Mar 30, 9:13 PM CDT	Special Weather Statement	TSA	Craig, Nowata	32 min
Mar 30, 9:26 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	34 min
Mar 30, 9:57 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Ottawa	33 min
Mar 30, 10:10 PM CDT	Severe Thunderstorm Warning	TSA	Ottawa	25 min
Mar 30, 10:37 PM CDT	Special Weather Statement	TSA	Ottawa	38 min
Mar 30, 10:45 PM CDT	Special Weather Statement	TSA	Ottawa	45 min
Mar 31, 1:52 AM CDT	Special Weather Statement	TSA	Delaware	38 min
Mar 31, 2:25 AM CDT	Special Weather Statement	TSA	Benton	35 min
Mar 31, 2:54 AM CDT	Special Weather Statement	TSA	Benton, Carroll	36 min

Nearby

Special Weather Statements in Oklahoma, 2016 Every special weather statement in 2016

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.