Alert archive / Arkansas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 366, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 18, 2017, 9:14 AM CDT for Crawford County, Franklin County, Sebastian County, Arkansas; LeFlore County, Oklahoma. It was in force for 46 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
- Jun 18, 2017, 9:14 AM CDT (14:14 UTC)
- Expired
- Jun 18, 2017, 10:00 AM CDT
- In force
- 46 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Crawford County, AR, Franklin County, AR, Sebastian County, AR, LeFlore County, OK
The radar
The Western Arkansas radar (KSRX), 25 km from the middle of the area, began a volume at 14:13 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 18, 4:14 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 2.2 hours before the alert went out and 176 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.
- Mixed-layer CAPE
- 22 J/kg
- Mixed-layer CIN
- -256 J/kg
- Mixed-layer LCL
- 1256 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
516
WUUS54 KTSA 181414
SVRTSA
ARC033-047-131-OKC079-181500-
/O.NEW.KTSA.SV.W.0366.170618T1414Z-170618T1500Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
914 AM CDT SUN JUN 18 2017
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Franklin County in west central Arkansas...
Central Crawford County in northwestern Arkansas...
Sebastian County in west central Arkansas...
Northeastern Le Flore County in southeastern Oklahoma...
* Until 1000 AM CDT
* At 914 AM CDT, severe thunderstorms were located along a line
extending from 6 miles southwest of Pettigrew to 4 miles west of
Ozark to 2 miles southeast of Excelsior, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations in or near the path include...
Fort Smith... Van Buren...
Ozark... Charleston...
Mountainburg... Greenwood...
Alma... Barling...
Pocola... Lavaca...
Arkoma... Mulberry...
Dyer... Hackett...
Altus... Bonanza...
Branch... Denning...
Rudy... Wiederkehr Village...
This includes the following highways,
Interstate 40 in Arkansas between mile markers 4 and 42.
Interstate 540 between mile markers 1 and 14.
Interstate 49 between mile markers 22 and 28.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3538 9371 3537 9375 3542 9380 3531 9381
3532 9392 3523 9392 3523 9403 3514 9403
3514 9414 3510 9414 3509 9416 3526 9462
3531 9456 3531 9448 3537 9449 3538 9443
3541 9443 3576 9401 3574 9370
TIME...MOT...LOC 1414Z 285DEG 37KT 3574 9370 3547 9391 3518 9428
HAIL...<.75IN
WIND...60MPH
$$3 follow-up statements
058
WWUS54 KTSA 181428
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
928 AM CDT SUN JUN 18 2017
OKC079-181437-
/O.CAN.KTSA.SV.W.0366.000000T0000Z-170618T1500Z/
Le Flore OK-
928 AM CDT SUN JUN 18 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LE FLORE COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. therefore the warning has been cancelled.
A severe thunderstorm watch remains in effect until 1100 AM CDT for
northwestern and west central Arkansas...and southeastern Oklahoma.
LAT...LON 3538 9371 3537 9375 3542 9380 3531 9381
3532 9392 3523 9392 3523 9403 3514 9403
3514 9414 3510 9414 3509 9416 3519 9444
3526 9444 3547 9419 3575 9389 3574 9370
TIME...MOT...LOC 1427Z 270DEG 37KT 3571 9354 3544 9375 3515 9412
$$
ARC033-047-131-181500-
/O.CON.KTSA.SV.W.0366.000000T0000Z-170618T1500Z/
Franklin AR-Crawford AR-Sebastian AR-
928 AM CDT SUN JUN 18 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT
FOR FRANKLIN...SOUTHEASTERN CRAWFORD AND CENTRAL SEBASTIAN
COUNTIES...
At 927 AM CDT, severe thunderstorms were located along a line
extending from 7 miles west of Devils Knob to Altus to near Washburn,
moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Fort Smith... Ozark...
Charleston... Greenwood...
Barling... Lavaca...
Mulberry... Dyer...
Hackett... Altus...
Bonanza... Branch...
Denning... Wiederkehr Village...
Bloomer... Burnville...
Jenny Lind... Cass...
Excelsior... Washburn...
This includes Interstate 40 in Arkansas between mile markers 16 and
42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3538 9371 3537 9375 3542 9380 3531 9381
3532 9392 3523 9392 3523 9403 3514 9403
3514 9414 3510 9414 3509 9416 3519 9444
3526 9444 3547 9419 3575 9389 3574 9370
TIME...MOT...LOC 1427Z 270DEG 37KT 3571 9354 3544 9375 3515 9412
HAIL...<.75IN
WIND...60MPH
$$968
WWUS54 KTSA 181444
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
944 AM CDT SUN JUN 18 2017
ARC033-181454-
/O.CAN.KTSA.SV.W.0366.000000T0000Z-170618T1500Z/
Crawford AR-
944 AM CDT SUN JUN 18 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CRAWFORD COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. therefore the warning has been cancelled.
A severe thunderstorm watch remains in effect until 1100 AM CDT for
west central Arkansas.
LAT...LON 3538 9371 3537 9375 3542 9380 3531 9381
3532 9392 3523 9392 3523 9403 3514 9403
3514 9414 3510 9414 3509 9416 3517 9434
3544 9392 3574 9381 3574 9370
TIME...MOT...LOC 1444Z 291DEG 27KT 3568 9358 3540 9367 3512 9407
$$
ARC047-131-181500-
/O.CON.KTSA.SV.W.0366.000000T0000Z-170618T1500Z/
Franklin AR-Sebastian AR-
944 AM CDT SUN JUN 18 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT
FOR CENTRAL FRANKLIN AND EAST CENTRAL SEBASTIAN COUNTIES...
At 944 AM CDT, severe thunderstorms were located along a line
extending from 10 miles west of Devils Knob to 3 miles southwest of
Hartman to 3 miles south of Washburn, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Ozark... Charleston...
Greenwood... Altus...
Branch... Denning...
Wiederkehr Village... Cass...
Bloomer... Washburn...
Burnville... Fort Chaffee...
Caulksville... Crossroads...
Witcherville... Milltown...
Turners Bend... Ursula...
Etna... Alix...
This includes Interstate 40 in Arkansas between mile markers 33 and
42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3538 9371 3537 9375 3542 9380 3531 9381
3532 9392 3523 9392 3523 9403 3514 9403
3514 9414 3510 9414 3509 9416 3517 9434
3544 9392 3574 9381 3574 9370
TIME...MOT...LOC 1444Z 291DEG 27KT 3568 9358 3540 9367 3512 9407
HAIL...<.75IN
WIND...60MPH
$$164
WWUS54 KTSA 181459
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
959 AM CDT SUN JUN 18 2017
ARC047-131-181509-
/O.EXP.KTSA.SV.W.0366.000000T0000Z-170618T1500Z/
Franklin AR-Sebastian AR-
959 AM CDT SUN JUN 18 2017
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL FRANKLIN AND EAST
CENTRAL SEBASTIAN COUNTIES WILL EXPIRE AT 1000 AM CDT...
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.
A severe thunderstorm watch remains in effect until 1100 AM CDT for
west central Arkansas.
LAT...LON 3538 9371 3537 9375 3542 9380 3531 9381
3532 9392 3523 9392 3523 9403 3514 9403
3514 9414 3510 9414 3509 9416 3517 9434
3544 9392 3574 9381 3574 9370
TIME...MOT...LOC 1459Z 285DEG 37KT 3564 9340 3536 9350 3508 9390
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 8:02 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Washington | 43 min |
| Jun 18, 8:38 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 37 min |
| Jun 18, 9:08 AM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 67 min |
| Jun 17, 11:29 PM CDT | Special Weather Statement | TSA | Nowata | 31 min |
| Jun 17, 11:46 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata, Ottawa | 44 min |
| Jun 17, 11:49 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 41 min |
| Jun 18, 12:27 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 35 min |
| Jun 18, 12:30 AM CDT | Special Weather Statement | TSA | Pawnee, Tulsa, Washington | 45 min |
| Jun 18, 5:02 AM CDT | Special Weather Statement | TSA | Osage, Pawnee | 43 min |
| Jun 18, 5:33 AM CDT | Special Weather Statement | TSA | Osage, Pawnee, Washington | 42 min |
| Jun 18, 5:38 AM CDT | Special Weather Statement | TSA | Okfuskee | 37 min |
| Jun 18, 5:50 AM CDT | Special Weather Statement | TSA | Creek | 40 min |
| Jun 18, 6:43 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Pawnee | 25 min |
| Jun 18, 6:49 AM CDT | Special Weather Statement | TSA | Mayes, Rogers, Wagoner | 41 min |
| Jun 18, 7:12 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes, Muskogee, Rogers, Wagoner | 63 min |
| Jun 18, 7:43 AM CDT | Special Weather Statement | TSA | Haskell, Latimer, McIntosh, Pittsburg | 47 min |
| Jun 18, 7:46 AM CDT | Special Weather Statement | TSA | Haskell, Muskogee, Sequoyah | 59 min |
| Jun 18, 8:28 AM CDT | Special Weather Statement | TSA | Okmulgee | 47 min |
| Jun 18, 8:32 AM CDT | Special Weather Statement | TSA | Latimer, LeFlore, Pushmataha | 43 min |
| Jun 18, 8:47 AM CDT | Special Weather Statement | TSA | Rogers | 43 min |
| Jun 18, 9:42 AM CDT | Special Weather Statement | TSA | Wagoner | 33 min |
| Jun 18, 9:58 AM CDT | Special Weather Statement | TSA | Latimer | 47 min |
| Jun 18, 10:44 AM CDT | Special Weather Statement | TSA | LeFlore | 46 min |
| Jun 18, 10:49 AM CDT | Special Weather Statement | TSA | Muskogee | 41 min |
| Jun 18, 11:13 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee, Okmulgee | 40 min |
| Jun 18, 12:53 PM CDT | Special Weather Statement | TSA | LeFlore | 67 min |
| Jun 18, 1:40 PM CDT | Special Weather Statement | TSA | LeFlore | 65 min |
| Jun 18, 3:45 PM CDT | Special Weather Statement | TSA | Haskell | 45 min |
| Jun 18, 4:30 PM CDT | Special Weather Statement | TSA | Haskell | 45 min |
| Jun 18, 5:13 PM CDT | Special Weather Statement | TSA | Sequoyah | 47 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2017Severe Thunderstorm Warnings in Oklahoma, 2017Every severe thunderstorm warning in 2017
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.