Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Tulsa, OK

July 30, 2016Adair County, Delaware County, Oklahoma; Benton County, Washington County, Arkansas

NWS Tulsa, OK issued this special weather statement at Jul 30, 2016, 12:42 PM CDT for Adair County, Delaware County, Oklahoma; Benton County, Washington County, Arkansas. It was in force for 63 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 30, 2016, 12:42 PM CDT (17:42 UTC)
Expired: Jul 30, 2016, 1:45 PM CDT
In force: 63 min
Issued by: NWS Tulsa, OK

Counties Benton County, AR, Washington County, AR, Adair County, OK, Delaware County, OK

The radar

The Tulsa radar (KINX), 93 km from the middle of the area, began a volume at 17:46 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, 5.7 hours before the alert went out and 107 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: 370 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 954 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Jul 30, 9:58 AM CDT, 2 hours 44 minutes earlier.

Area forecast discussion, Jul 30, 9:58 AM CDT, 2 hours 44 minutes before

Area Forecast Discussion
National Weather Service Tulsa OK
958 AM CDT SAT JUL 30 2016

.DISCUSSION...
Thunderstorm complex has moved into portions of the forecast area
this morning, mainly west of highway 75 across northeast Oklahoma.
These thunderstorms will continue to work to the east during the
remainder of the morning hours and into the early afternoon. Will
raise pops across northeast Oklahoma. Additional thunderstorms will also
be possible further south this afternoon in the vicinity of any outflow
boundaries and near a fading stationary boundary. Will leave temperatures
as is for now.

&&

.TSA Watches/Warnings/Advisories...
OK...None.
AR...None.
&&

SHORT TERM...10

Hazardous weather outlook, Jul 30, 12:35 PM CDT, 7 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1235 PM CDT SAT JUL 30 2016

ARZ001-002-010-011-019-020-029-OKZ049-053>076-311030-
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-
1235 PM CDT SAT JUL 30 2016

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...EASTERN OKLAHOMA AND WESTERN ARKANSAS.
	ONSET...ONGOING.

DANGEROUS HEAT.
	RISK...LIMITED.
	AREA...SOUTHEAST OKLAHOMA.
	ONSET...ONGOING.

DISCUSSION...
A THUNDERSTORM COMPLEX WILL MOVE OUT OF FAR EASTERN OKLAHOMA AND
ACROSS WESTERN ARKANSAS EARLY THIS AFTERNOON. ADDITIONAL THUNDERSTORMS
WILL BE POSSIBLE ALONG OUTFLOW BOUNDARIES AND NEAR A WEAK FRONTAL
BOUNDARY ACROSS SOUTHEAST OKLAHOMA THIS AFTERNOON AND EVENING. ANY
OF THESE THUNDERSTORMS COULD BE STRONG TO SEVERE WITH STRONG GUSTY WINDS
THE MAIN CONCERN. VERY HEAVY RAIN WILL ALSO BE POSSIBLE IN A SHORT PERIOD
OF TIME WHICH COULD LEAD TO FLOODING OF LOW LYING AREAS.

THE THUNDERSTORM CHANCES CONTINUE OVERNIGHT ESPECIALLY ACROSS NORTHEAST
OKLAHOMA AND FAR NORTHWEST ARKANSAS.

HEAT INDEX VALUES BETWEEN 100 AND 104 WILL BE POSSIBLE THIS AFTERNOON ACROSS
SOUTHEAST OKLAHOMA.

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

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
SUNDAY...THUNDERSTORM POTENTIAL...DANGEROUS HEAT POTENTIAL.
MONDAY THROUGH FRIDAY...DANGEROUS HEAT POTENTIAL.

EXTENDED DISCUSSION...
THUNDERSTORM CHANCES WILL CONTINUE ON SUNDAY PRIMARILY
OVER FAR EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.  THE
PRIMARY HAZARD FOR THE UPCOMING WEEK WILL BE THE INCREASING
HEAT STRESS CONDITIONS...AS THE WEATHER PATTERN TURNS HOT
AND MOSTLY DRY.

WWW.WEATHER.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

In the hours before

Special weather statement, Jul 30, 10:17 AM CDT, 2 hours 25 minutes before

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Special weather statement, Jul 30, 10:56 AM CDT, 1 hour 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1056 AM CDT SAT JUL 30 2016

OKZ054-055-060>062-067-301630-
ROGERS OK-TULSA OK-WAGONER OK-MAYES OK-WASHINGTON OK-OSAGE OK-
1056 AM CDT SAT JUL 30 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MAYES...ROGERS...
EAST CENTRAL OSAGE...SOUTHERN WASHINGTON...NORTHWESTERN WAGONER AND
EASTERN TULSA COUNTIES UNTIL 1130 AM CDT...

AT 1055 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 2 MILES EAST OF AVANT TO 5 MILES NORTHEAST OF OWASSO
TO 6 MILES SOUTHWEST OF INOLA TO 2 MILES WEST OF COWETA. MOVEMENT WAS
EAST AT 30 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
TULSA...                          BROKEN ARROW...
CLAREMORE...                      OWASSO...
BIXBY...                          COWETA...
SKIATOOK...                       CATOOSA...
COLLINSVILLE...                   VERDIGRIS...
CHOUTEAU...                       INOLA...
SPERRY...                         OOLOGAH...
RAMONA...                         FOYIL...
AVANT...                          TALALA...
VERA...                           TURLEY...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 223 AND 259.

LAT...LON 3638 9543 3618 9530 3596 9544 3587 9568
      3599 9593 3619 9600 3651 9614 3660 9574
      3660 9568
TIME...MOT...LOC 1555Z 252DEG 27KT 3648 9603 3631 9578 3610 9562 3596
9570

Special weather statement, Jul 30, 11:57 AM CDT, 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1157 AM CDT SAT JUL 30 2016

OKZ057-061>063-068-069-301745-
ADAIR OK-ROGERS OK-CRAIG OK-CHEROKEE OK-DELAWARE OK-MAYES OK-
1157 AM CDT SAT JUL 30 2016

...SIGNIFICANT WEATHER ADVISORY FOR MAYES...NORTHEASTERN ROGERS...
DELAWARE...NORTHERN CHEROKEE...NORTHWESTERN ADAIR AND SOUTHEASTERN
CRAIG COUNTIES UNTIL 1245 PM CDT...

AT 1157 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 2 MILES SOUTHEAST OF CHELSEA TO 6 MILES SOUTHWEST OF
LEACH TO 3 MILES EAST OF HULBERT. MOVEMENT WAS EAST AT 30 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
TAHLEQUAH...                      JAY...
PRYOR...                          PRYOR CREEK...
GROVE...                          CHOUTEAU...
CHELSEA...                        LOCUST GROVE...
SALINA...                         WEST SILOAM SPRINGS...
LANGLEY...                        COLCORD...
KANSAS...                         ADAIR...
HULBERT...                        BERNICE...
KETCHUM...                        SPAVINAW...
WATTS...                          DISNEY...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 260 AND 283.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH
FLOODED ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3612 9456 3599 9459 3591 9514 3602 9523
      3604 9523 3604 9521 3607 9521 3607 9527
      3615 9533 3656 9551 3667 9489 3667 9483
TIME...MOT...LOC 1657Z 265DEG 28KT 3651 9539 3611 9498 3595 9509

Special weather statement, Jul 30, 12:42 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1242 PM CDT SAT JUL 30 2016

ARZ001-010-OKZ063-068-069-301845-
WASHINGTON AR-BENTON AR-ADAIR OK-CHEROKEE OK-DELAWARE OK-
1242 PM CDT SAT JUL 30 2016

...SIGNIFICANT WEATHER ADVISORY FOR BENTON...WASHINGTON...DELAWARE...
NORTHEASTERN CHEROKEE AND ADAIR COUNTIES UNTIL 145 PM CDT...

AT 1242 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 5 MILES EAST OF DISNEY TO NEAR WESTVILLE TO 5 MILES
NORTHEAST OF BUNCH. MOVEMENT WAS EAST AT 30 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
FAYETTEVILLE...                   SPRINGDALE...
ROGERS...                         BENTONVILLE...
SILOAM SPRINGS...                 STILWELL...
JAY...                            BELLA VISTA...
LOWELL...                         GROVE...
FARMINGTON...                     PRAIRIE GROVE...
GENTRY...                         ELKINS...
TONTITOWN...                      BETHEL HEIGHTS...
GRAVETTE...                       WEST FORK...
LINCOLN...                        CAVE SPRINGS...

THIS INCLUDES INTERSTATE 49 BETWEEN MILE MARKERS 41 AND 84...AND
BETWEEN MILE MARKERS 86 AND 93.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH
FLOODED ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3650 9462 3650 9422 3606 9394 3578 9398
      3575 9429 3576 9448 3573 9449 3571 9475
      3595 9485 3644 9501 3655 9500 3661 9462
TIME...MOT...LOC 1742Z 264DEG 25KT 3649 9492 3597 9455 3575 9472

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 10:17 AM CDT	Special Weather Statement	TSA	Tulsa, Wagoner	43 min
Jul 30, 10:56 AM CDT	Special Weather Statement	TSA	Rogers, Tulsa, Wagoner	34 min
Jul 30, 11:57 AM CDT	Special Weather Statement	TSA	Delaware, Mayes	48 min
Jul 30, 2:14 PM CDT	Special Weather Statement	TSA	LeFlore	46 min
Jul 30, 2:18 PM CDT	Special Weather Statement	TSA	Pushmataha	42 min
Jul 30, 2:56 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	18 min
Jul 30, 3:17 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	43 min
Jul 30, 3:29 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	31 min
Jul 30, 3:38 PM CDT	Special Weather Statement	TSA	Pushmataha	37 min
Jul 30, 3:39 PM CDT	Special Weather Statement	TSA	Choctaw	36 min
Jul 30, 4:01 PM CDT	Areal Flood Advisory	TSA	LeFlore	119 min
Jul 30, 1:44 PM CDT	Special Weather Statement	TSA	Benton, Carroll, Madison, Washington	61 min
Jul 30, 3:13 PM CDT	Special Weather Statement	TSA	Polk	47 min
Jul 30, 3:57 PM CDT	Special Weather Statement	TSA	Polk	33 min

Nearby

Special Weather Statements in Oklahoma, 2016 Special Weather Statements in Arkansas, 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.