Alert archive / Arkansas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 239, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 11, 2017, 3:00 PM CDT for Franklin County, Sebastian County, Arkansas. It was in force for 30 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
- May 11, 2017, 3:00 PM CDT (20:00 UTC)
- Expired
- May 11, 2017, 3:30 PM CDT
- In force
- 30 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Franklin County, AR, Sebastian County, AR
The radar
The Western Arkansas radar (KSRX), 40 km from the middle of the area, began a volume at 20:02 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 |
|---|---|---|---|
| May 11, 12:56 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 8.0 hours before the alert went out and 168 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1011 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
656
WUUS54 KTSA 112000
SVRTSA
ARC047-131-112030-
/O.NEW.KTSA.SV.W.0239.170511T2000Z-170511T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
300 PM CDT THU MAY 11 2017
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Franklin County in west central Arkansas...
Northeastern Sebastian County in west central Arkansas...
* Until 330 PM CDT
* At 300 PM CDT, a severe thunderstorm was located 3 miles northwest
of Branch, moving northeast at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations in or near the path include...
Ozark... Charleston...
Mulberry... Altus...
Branch... Denning...
Wiederkehr Village... Fort Chaffee...
Caulksville... Jethro...
Etna... Alix...
Watalula... Meg...
Toney... Peter Pender...
Vesta... Lonelm...
Cecil... Ursula...
This includes Interstate 40 in Arkansas between mile markers 25 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 9402 3517 9403
3516 9405 3534 9415 3544 9408 3546 9403
3547 9406 3548 9404 3549 9405 3550 9403
3552 9403 3568 9393 3553 9370
TIME...MOT...LOC 2000Z 210DEG 30KT 3535 9400
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
335
WWUS54 KTSA 112015
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
315 PM CDT THU MAY 11 2017
ARC131-112025-
/O.CAN.KTSA.SV.W.0239.000000T0000Z-170511T2030Z/
Sebastian AR-
315 PM CDT THU MAY 11 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SEBASTIAN COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore the warning has been cancelled.
A severe thunderstorm watch remains in effect until 900 PM CDT for
northwestern and west central Arkansas.
LAT...LON 3538 9371 3537 9375 3542 9380 3531 9381
3532 9392 3523 9392 3528 9408 3544 9408
3546 9403 3547 9406 3548 9404 3549 9405
3550 9403 3552 9403 3568 9393 3553 9370
TIME...MOT...LOC 2015Z 219DEG 23KT 3539 9396
$$
ARC047-112030-
/O.CON.KTSA.SV.W.0239.000000T0000Z-170511T2030Z/
Franklin AR-
315 PM CDT THU MAY 11 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR FRANKLIN COUNTY...
At 315 PM CDT, a severe thunderstorm was located 5 miles north of
Branch, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Ozark... Charleston...
Mulberry... Altus...
Branch... Denning...
Wiederkehr Village... Caulksville...
Jethro... Etna...
Alix... Watalula...
Meg... Toney...
Peter Pender... Vesta...
Lonelm... Cecil...
Cravens...
This includes Interstate 40 in Arkansas between mile markers 25 and
42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3538 9371 3537 9375 3542 9380 3531 9381
3532 9392 3523 9392 3528 9408 3544 9408
3546 9403 3547 9406 3548 9404 3549 9405
3550 9403 3552 9403 3568 9393 3553 9370
TIME...MOT...LOC 2015Z 219DEG 23KT 3539 9396
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 12:13 AM CDT | Special Weather Statement | TSA | Benton | 47 min |
| May 11, 12:20 AM CDT | Severe Thunderstorm Warning | TSA | Benton | 55 min |
| May 11, 12:32 AM CDT | Special Weather Statement | TSA | Washington | 43 min |
| May 11, 12:42 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 48 min |
| May 11, 1:17 AM CDT | Special Weather Statement | TSA | Carroll, Madison | 43 min |
| May 11, 9:34 AM CDT | Special Weather Statement | TSA | Benton | 26 min |
| May 11, 9:58 AM CDT | Special Weather Statement | TSA | Benton | 47 min |
| May 11, 10:00 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll | 30 min |
| May 11, 10:29 AM CDT | Severe Thunderstorm Warning | TSA | Carroll | 31 min |
| May 11, 10:53 AM CDT | Flash Flood Watch | TSA | Benton, Carroll, Madison, Washington | 11 hr |
| May 11, 2:28 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 32 min |
| May 11, 3:29 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 17 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 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.