Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 116, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 21, 2021, 9:54 AM CDT for LeFlore County, Oklahoma; Crawford County, Franklin County, Sebastian County, Arkansas. It was in force for 51 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 21, 2021, 9:54 AM CDT (14:54 UTC)
- Expired
- Jun 21, 2021, 10:45 AM CDT
- In force
- 51 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 0.88 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), 36 km from the middle of the area, began a volume at 14:54 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, 2.9 hours before the alert went out and 178 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
- 6 J/kg
- Mixed-layer CIN
- -356 J/kg
- Mixed-layer LCL
- 758 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.7
The text
As transmitted.
197
WUUS54 KTSA 211454
SVRTSA
ARC033-047-131-OKC079-211545-
/O.NEW.KTSA.SV.W.0116.210621T1454Z-210621T1545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
954 AM CDT Mon Jun 21 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Franklin County in west central Arkansas...
Southeastern Crawford County in northwestern Arkansas...
Sebastian County in west central Arkansas...
Northeastern Le Flore County in southeastern Oklahoma...
* Until 1045 AM CDT.
* At 954 AM CDT, severe thunderstorms were located along a line
extending from 4 miles north of Mulberry to 2 miles north of
Pocola, moving east at 35 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations in or near the path include...
Fort Smith... Van Buren...
Ozark... Charleston...
Greenwood... Alma...
Barling... Pocola...
Lavaca... Arkoma...
Mulberry... Dyer...
Hackett... Altus...
Huntington... Bonanza...
Branch... Denning...
Wiederkehr Village... Bloomer...
This includes the following highways,
Interstate 40 in Arkansas between mile markers 8 and 42.
Interstate 540 between mile markers 2 and 3, and between mile
markers 6 and 14.
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 3507 9423 3521 9460
3565 9407 3559 9370
TIME...MOT...LOC 1454Z 270DEG 32KT 3557 9405 3526 9448
HAIL...0.88IN
WIND...60MPH
$$1 follow-up statement
810
WWUS54 KTSA 211525
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
1025 AM CDT Mon Jun 21 2021
ARC033-OKC079-211535-
/O.CAN.KTSA.SV.W.0116.000000T0000Z-210621T1545Z/
Crawford AR-Le Flore OK-
1025 AM CDT Mon Jun 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CRAWFORD AND
NORTHEASTERN LE FLORE COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3538 9371 3537 9375 3542 9380 3531 9381
3532 9392 3523 9392 3523 9403 3514 9403
3514 9414 3510 9414 3507 9423 3513 9438
3561 9383 3559 9370
TIME...MOT...LOC 1525Z 283DEG 29KT 3557 9374 3511 9428
$$
ARC047-131-211545-
/O.CON.KTSA.SV.W.0116.000000T0000Z-210621T1545Z/
Franklin AR-Sebastian AR-
1025 AM CDT Mon Jun 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT
FOR SOUTHERN FRANKLIN AND CENTRAL SEBASTIAN COUNTIES...
At 1025 AM CDT, severe thunderstorms were located along a line
extending from 6 miles north of Wiederkehr Village to 2 miles
northwest of Huntington, moving east at 35 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Ozark... Charleston...
Greenwood... Altus...
Huntington... Branch...
Denning... Wiederkehr Village...
Bloomer... Washburn...
Burnville... Fort Chaffee...
Etna... Alix...
Watalula... Crossroads...
Witcherville... Dayton...
Meg... Milltown...
This includes Interstate 40 in Arkansas between mile markers 31 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 3507 9423 3513 9438
3561 9383 3559 9370
TIME...MOT...LOC 1525Z 283DEG 29KT 3557 9374 3511 9428
HAIL...0.88IN
WIND...60MPH
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 6:00 AM CDT | Special Weather Statement | TSA | Osage, Pawnee, Washington | 45 min |
| Jun 21, 7:31 AM CDT | Special Weather Statement | TSA | Tulsa | 44 min |
| Jun 21, 7:49 AM CDT | Special Weather Statement | TSA | Crawford, Madison, Washington | 41 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2021Severe Thunderstorm Warnings in Oklahoma, 2021Every severe thunderstorm warning in 2021
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.