Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 54, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 28, 2021, 8:16 AM CDT for Benton County, Washington County, Arkansas. It was in force for 44 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
- Apr 28, 2021, 8:16 AM CDT (13:16 UTC)
- Expired
- Apr 28, 2021, 9:00 AM CDT
- In force
- 44 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Benton County, AR, Washington County, AR
The radar
The Springfield radar (KSGF), 113 km from the middle of the area, began a volume at 13:20 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 |
|---|---|---|---|
| Apr 28, 3:01 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 1.3 hours before the alert went out and 67 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
- 34 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 1441 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
971
WUUS54 KTSA 281316
SVRTSA
ARC007-143-281400-
/O.NEW.KTSA.SV.W.0054.210428T1316Z-210428T1400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
816 AM CDT Wed Apr 28 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
East central Benton County in northwestern Arkansas...
Northeastern Washington County in northwestern Arkansas...
* Until 900 AM CDT.
* At 816 AM CDT, severe thunderstorms were located along a line
extending from 2 miles southwest of Rogers to 2 miles north of
Farmington, 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...
Fayetteville... Springdale...
Rogers... Bentonville...
Lowell... Tontitown...
Bethel Heights... Cave Springs...
War Eagle... Hobbs State Park...
Johnson... Elm Springs...
Goshen... Beaver Lake...
Mayfield... Monte Ne...
Larue... Wheeler...
Lookout... Sonora...
This includes Interstate 49 between mile markers 65 and 88.
A Tornado Watch remains in effect until 1000 AM CDT for northwestern
Arkansas.
LAT...LON 3631 9383 3631 9387 3624 9387 3623 9389
3609 9395 3610 9431 3638 9421 3642 9387
3639 9387 3639 9388 3638 9389 3637 9387
3634 9387 3634 9386
TIME...MOT...LOC 1316Z 254DEG 26KT 3630 9415 3608 9425
HAIL...<.75IN
WIND...60MPH
$$2 follow-up statements
862
WWUS54 KTSA 281341
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
841 AM CDT Wed Apr 28 2021
ARC007-143-281400-
/O.CON.KTSA.SV.W.0054.000000T0000Z-210428T1400Z/
Benton AR-Washington AR-
841 AM CDT Wed Apr 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM CDT
FOR EAST CENTRAL BENTON AND NORTHEASTERN WASHINGTON COUNTIES...
At 841 AM CDT, severe thunderstorms were located along a line
extending from 5 miles north of War Eagle to 6 miles southeast of
Springdale, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Fayetteville... Springdale...
Rogers... Lowell...
Tontitown... Bethel Heights...
Cave Springs... War Eagle...
Hobbs State Park... Johnson...
Elm Springs... Goshen...
Beaver Lake... Mayfield...
Monte Ne... Larue...
Wheeler... Lookout...
Sonora...
This includes Interstate 49 between mile markers 65 and 82.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
A Tornado Watch remains in effect until 1000 AM CDT for northwestern
Arkansas.
LAT...LON 3631 9383 3631 9387 3624 9387 3623 9389
3609 9395 3610 9431 3626 9425 3640 9403
3642 9387 3639 9387 3639 9388 3638 9389
3637 9387 3634 9387 3634 9386
TIME...MOT...LOC 1341Z 254DEG 26KT 3635 9394 3613 9404
HAIL...<.75IN
WIND...60MPH
$$935
WWUS54 KTSA 281352
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
852 AM CDT Wed Apr 28 2021
ARC007-143-281401-
/O.EXP.KTSA.SV.W.0054.000000T0000Z-210428T1400Z/
Benton AR-Washington AR-
852 AM CDT Wed Apr 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BENTON AND
NORTHEASTERN WASHINGTON COUNTIES WILL EXPIRE AT 900 AM CDT...
The storms which prompted the warning have weakened below severe
limits, and strong winds no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire. However
torrential rainfall is still possible with these thunderstorms.
A Tornado Watch remains in effect until 1000 AM CDT for northwestern
Arkansas.
LAT...LON 3631 9383 3631 9387 3624 9387 3623 9389
3609 9395 3610 9431 3626 9425 3640 9403
3642 9387 3639 9387 3639 9388 3638 9389
3637 9387 3634 9387 3634 9386
TIME...MOT...LOC 1351Z 254DEG 26KT 3637 9386 3615 9396
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 6:26 AM CDT | Tornado Warning | TSA | Washington | 18 min |
| Apr 28, 6:47 AM CDT | Special Weather Statement | TSA | Washington | 43 min |
| Apr 28, 7:04 AM CDT | Special Weather Statement | TSA | Benton | 26 min |
| Apr 28, 7:20 AM CDT | Areal Flood Advisory | TSA | Benton, Washington | 4 hr |
| Apr 28, 7:34 AM CDT | Special Weather Statement | TSA | Benton | 26 min |
| Apr 28, 7:47 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll | 43 min |
| Apr 28, 7:52 AM CDT | Flash Flood Warning | TSA | Benton, Washington | 5 hr |
| Apr 28, 7:58 AM CDT | Special Weather Statement | TSA | Benton | 32 min |
| Apr 28, 8:03 AM CDT | Tornado Warning | TSA | Benton | 27 min |
| Apr 28, 8:13 AM CDT | Tornado Warning | TSA | Carroll | 22 min |
| Apr 28, 8:27 AM CDT | Special Weather Statement | TSA | Crawford, Washington | 48 min |
| Apr 28, 8:29 AM CDT | Flash Flood Warning | TSA | Benton, Carroll, Madison, Washington | 4 hr |
| Apr 28, 8:40 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Madison, Washington | 50 min |
| Apr 28, 9:04 AM CDT | Severe Thunderstorm Warning | TSA | Carroll | 26 min |
| Apr 28, 9:15 AM CDT | Special Weather Statement | TSA | Crawford, Franklin, Madison | 45 min |
| Apr 28, 9:26 AM CDT | Special Weather Statement | TSA | Carroll | 19 min |
| Apr 28, 9:42 AM CDT | Areal Flood Advisory | TSA | Carroll, Madison, Washington | 3 hr |
| Apr 28, 9:56 AM CDT | Special Weather Statement | TSA | Carroll, Franklin, Madison | 34 min |
| Apr 28, 9:58 AM CDT | River Flood Warning | TSA | Crawford | 41 hr |
| Apr 28, 9:58 AM CDT | River Flood Warning | TSA | Crawford, Sebastian | 41 hr |
| Apr 28, 9:58 AM CDT | River Flood Warning | TSA | Franklin, Johnson, Logan | 70 hr |
| Apr 28, 10:34 AM CDT | Special Weather Statement | TSA | Franklin | 41 min |
| Apr 28, 11:34 AM CDT | Areal Flood Advisory | TSA | Crawford, Franklin | 3 hr |
| Apr 28, 11:52 AM CDT | Flash Flood Warning | TSA | Benton, Carroll, Crawford, Franklin, Madison, Washington | 8 hr |
| Apr 28, 4:42 PM CDT | River Flood Advisory | TSA | Crawford, Franklin | 19 hr |
Nearby
Severe Thunderstorm Warnings in Arkansas, 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.