Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 55, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 28, 2021, 8:40 AM CDT for 4 counties in Arkansas. It was in force for 50 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, 8:40 AM CDT (13:40 UTC)
- Expired
- Apr 28, 2021, 9:30 AM CDT
- In force
- 50 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR
The radar
The Western Arkansas radar (KSRX), 120 km from the middle of the area, began a volume at 13:40 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, 1.7 hours before the alert went out and 85 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.
574
WUUS54 KTSA 281340
SVRTSA
ARC007-015-087-143-281430-
/O.NEW.KTSA.SV.W.0055.210428T1340Z-210428T1430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
840 AM CDT Wed Apr 28 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northeastern Benton County in northwestern Arkansas...
Northern Madison County in northwestern Arkansas...
Carroll County in northwestern Arkansas...
Northeastern Washington County in northwestern Arkansas...
* Until 930 AM CDT.
* At 839 AM CDT, severe thunderstorms were located along a line
extending from 4 miles west of Beaver to 5 miles north of Clifty to
4 miles southwest of Hindsville, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations in or near the path include...
Berryville... Huntsville...
Eureka Springs... Elkins...
Gateway... Beaver...
Hindsville... Wesley...
Rudd... Kingston...
Forum... Hobbs State Park...
Clifty... Withrow Springs State Park...
War Eagle... Marble...
Urbanette... Grandview...
Rule... Goshen...
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 3600 9345 3602 9405 3650 9394 3650 9346
3612 9346 3612 9348 3608 9348 3608 9345
TIME...MOT...LOC 1339Z 265DEG 23KT 3649 9385 3632 9382 3611 9394
HAIL...<.75IN
WIND...60MPH
$$3 follow-up statements
363
WWUS54 KTSA 281346
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
846 AM CDT Wed Apr 28 2021
ARC007-015-087-143-281430-
/O.CON.KTSA.SV.W.0055.000000T0000Z-210428T1430Z/
Benton AR-Madison AR-Carroll AR-Washington AR-
846 AM CDT Wed Apr 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT
FOR NORTHEASTERN BENTON...NORTHERN MADISON...CARROLL AND NORTHEASTERN
WASHINGTON COUNTIES...
At 845 AM CDT, severe thunderstorms were located along a line
extending from 2 miles northwest of Beaver to 4 miles southwest of
Eureka Springs to 3 miles southwest of Hindsville, moving east at 25
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Berryville... Huntsville...
Eureka Springs... Elkins...
Gateway... Beaver...
Hindsville... Wesley...
Rudd... Kingston...
Forum... Hobbs State Park...
Clifty... Withrow Springs State Park...
War Eagle... Marble...
Urbanette... Grandview...
Rule... Goshen...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
A Tornado Watch remains in effect until 1000 AM CDT for northwestern
Arkansas.
LAT...LON 3600 9345 3602 9405 3650 9394 3650 9346
3612 9346 3612 9348 3608 9348 3608 9345
TIME...MOT...LOC 1345Z 263DEG 24KT 3649 9381 3637 9379 3611 9390
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$293
WWUS54 KTSA 281358
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
858 AM CDT Wed Apr 28 2021
ARC007-143-281407-
/O.CAN.KTSA.SV.W.0055.000000T0000Z-210428T1430Z/
Benton AR-Washington AR-
858 AM CDT Wed Apr 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BENTON AND
NORTHEASTERN WASHINGTON COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of
the warned area. Therefore the warning has been cancelled.
A Tornado Watch remains in effect until 1000 AM CDT for northwestern
Arkansas.
LAT...LON 3618 9385 3631 9384 3631 9382 3632 9384
3650 9383 3650 9346 3613 9346
TIME...MOT...LOC 1357Z 267DEG 37KT 3649 9360 3637 9358 3622 9369
$$
ARC015-087-281430-
/O.CON.KTSA.SV.W.0055.000000T0000Z-210428T1430Z/
Madison AR-Carroll AR-
858 AM CDT Wed Apr 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT
FOR NORTHERN MADISON AND CENTRAL CARROLL COUNTIES...
At 857 AM CDT, severe thunderstorms were located along a line
extending from 4 miles north of Grandview to Berryville to 2 miles
northeast of Forum, moving east at 40 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations in or near the path include...
Berryville... Eureka Springs...
Beaver... Rudd...
Forum... Urbanette...
Grandview... Clifty...
Rule... Rockhouse...
Dryfork... Cabanal...
Metalton... Pleasant Ridge...
Oak Hill... Busch...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
A Tornado Watch remains in effect until 1000 AM CDT for northwestern
Arkansas.
LAT...LON 3618 9385 3631 9384 3631 9382 3632 9384
3650 9383 3650 9346 3613 9346
TIME...MOT...LOC 1357Z 267DEG 37KT 3649 9360 3637 9358 3622 9369
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
$$005 WWUS54 KTSA 281417 SVSTSA Severe Weather Statement National Weather Service Tulsa OK 917 AM CDT Wed Apr 28 2021 ARC015-087-281430- /O.CON.KTSA.SV.W.0055.000000T0000Z-210428T1430Z/ Madison AR-Carroll AR- 917 AM CDT Wed Apr 28 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT FOR NORTHEASTERN MADISON AND CENTRAL CARROLL COUNTIES... At 917 AM CDT, severe thunderstorms were located along a line extending from 7 miles northeast of Urbanette to 3 miles north of Green Forest to 3 miles west of Rudd, moving east at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations in or near the path include... Berryville... Rudd... Urbanette... Grandview... Forum... Rule... Rockhouse... Dryfork... Cabanal... Metalton... PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. Although a tornado is not immediately likely, if one is spotted act quickly and move to a place of safety inside a sturdy structure, such as a basement or small interior room. 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 3617 9376 3650 9360 3650 9346 3613 9346 TIME...MOT...LOC 1417Z 265DEG 23KT 3650 9346 3638 9344 3623 9355 HAIL...<.75IN WIND...60MPH $$
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, 8:16 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 44 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, 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.