Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 41, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 9, 2021, 8:02 PM CDT for Benton County, Arkansas; Delaware County, Oklahoma. It was in force for 29 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 9, 2021, 8:02 PM CDT (01:02 UTC)
- Expired
- Apr 9, 2021, 8:31 PM CDT
- In force
- 29 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Benton County, AR, Delaware County, OK
The radar
The Tulsa radar (KINX), 100 km from the middle of the area, began a volume at 01:05 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 9, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.0 hours before the alert went out and 84 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
- 9 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 1268 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
084
WUUS54 KTSA 100102
SVRTSA
ARC007-OKC041-100145-
/O.NEW.KTSA.SV.W.0041.210410T0102Z-210410T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
802 PM CDT Fri Apr 9 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northwestern Benton County in northwestern Arkansas...
Southeastern Delaware County in northeastern Oklahoma...
* Until 845 PM CDT.
* At 801 PM CDT, a severe thunderstorm was located 3 miles northeast
of Colcord, moving east at 30 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...
Bentonville... Gentry...
Gravette... Decatur...
Colcord... Highfill...
Maysville... Hiwasse...
Centerton... Cherokee City...
Vaughn...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3630 9426 3625 9475 3633 9477 3650 9442
3650 9435
TIME...MOT...LOC 0101Z 252DEG 28KT 3631 9466
HAIL...1.00IN
WIND...60MPH
$$4 follow-up statements
540
WWUS54 KTSA 100112
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
812 PM CDT Fri Apr 9 2021
ARC007-OKC041-100145-
/O.CON.KTSA.SV.W.0041.000000T0000Z-210410T0145Z/
Benton AR-Delaware OK-
812 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHWESTERN BENTON AND EAST CENTRAL DELAWARE COUNTIES...
At 812 PM CDT, a severe thunderstorm was located 3 miles southeast of
Maysville, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Bentonville... Gravette...
Decatur... Highfill...
Hiwasse... Centerton...
Cherokee City... Vaughn...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3630 9426 3629 9466 3636 9468 3650 9442
3650 9435
TIME...MOT...LOC 0112Z 249DEG 26KT 3636 9456
HAIL...1.00IN
WIND...60MPH
$$077
WWUS54 KTSA 100119
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
819 PM CDT Fri Apr 9 2021
OKC041-100129-
/O.CAN.KTSA.SV.W.0041.000000T0000Z-210410T0145Z/
Delaware OK-
819 PM CDT Fri Apr 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL DELAWARE COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore the warning has been cancelled.
LAT...LON 3630 9426 3629 9458 3640 9460 3650 9442
3650 9435
TIME...MOT...LOC 0119Z 250DEG 26KT 3638 9451
$$
ARC007-100145-
/O.CON.KTSA.SV.W.0041.000000T0000Z-210410T0145Z/
Benton AR-
819 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHWESTERN BENTON COUNTY...
At 819 PM CDT, a severe thunderstorm was located 4 miles northwest of
Decatur, moving east at 30 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Bentonville... Gravette...
Decatur... Highfill...
Hiwasse... Centerton...
Cherokee City... Vaughn...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3630 9426 3629 9458 3640 9460 3650 9442
3650 9435
TIME...MOT...LOC 0119Z 250DEG 26KT 3638 9451
HAIL...1.25IN
WIND...60MPH
$$743
WWUS54 KTSA 100125
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
825 PM CDT Fri Apr 9 2021
ARC007-100145-
/O.CON.KTSA.SV.W.0041.000000T0000Z-210410T0145Z/
Benton AR-
825 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHWESTERN BENTON COUNTY...
At 824 PM CDT, a severe thunderstorm was located over Gravette,
moving east at 30 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...
Gravette... Hiwasse...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3639 9430 3636 9455 3642 9457 3650 9442
3650 9435
TIME...MOT...LOC 0124Z 252DEG 28KT 3639 9446
HAIL...1.00IN
WIND...60MPH
$$708
WWUS54 KTSA 100131
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
831 PM CDT Fri Apr 9 2021
ARC007-100141-
/O.CAN.KTSA.SV.W.0041.000000T0000Z-210410T0145Z/
Benton AR-
831 PM CDT Fri Apr 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BENTON COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been cancelled. However small hail is
still possible with this thunderstorm.
LAT...LON 3639 9430 3636 9455 3642 9457 3650 9442
3650 9435
TIME...MOT...LOC 0129Z 252DEG 28KT 3641 9439
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 9:00 PM CDT | Special Weather Statement | TSA | Benton, Washington | 30 min |
| Apr 9, 9:27 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Washington | 48 min |
| Apr 9, 10:07 PM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 23 min |
| Apr 9, 10:12 PM CDT | Special Weather Statement | TSA | Crawford, Franklin, Sebastian | 33 min |
| Apr 9, 10:33 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 42 min |
| Apr 9, 7:02 PM CDT | Special Weather Statement | TSA | Rogers | 28 min |
| Apr 9, 7:09 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 51 min |
| Apr 9, 7:12 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 48 min |
| Apr 9, 7:24 PM CDT | Special Weather Statement | TSA | Tulsa | 36 min |
| Apr 9, 7:29 PM CDT | Special Weather Statement | TSA | Ottawa | 31 min |
| Apr 9, 7:38 PM CDT | Special Weather Statement | TSA | Craig, Nowata | 37 min |
| Apr 9, 7:38 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Muskogee, Okmulgee, Rogers, Tulsa, Wagoner | 52 min |
| Apr 9, 7:41 PM CDT | Tornado Warning | TSA | Creek, Tulsa | 20 min |
| Apr 9, 7:52 PM CDT | Special Weather Statement | TSA | Cherokee, Mayes | 23 min |
| Apr 9, 7:56 PM CDT | Special Weather Statement | TSA | Okfuskee | 34 min |
| Apr 9, 8:28 PM CDT | Special Weather Statement | TSA | Cherokee, Mayes | 32 min |
| Apr 9, 8:29 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 46 min |
| Apr 9, 8:49 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 41 min |
| Apr 9, 8:59 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, Pittsburg, Pushmataha | 50 min |
| Apr 9, 9:03 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, McIntosh, Muskogee, Sequoyah | 42 min |
| Apr 9, 9:24 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 66 min |
| Apr 9, 9:30 PM CDT | Special Weather Statement | TSA | Muskogee | 30 min |
| Apr 9, 9:35 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, LeFlore, Pushmataha | 55 min |
| Apr 9, 9:37 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, LeFlore, Muskogee, Sequoyah | 38 min |
| Apr 9, 9:58 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, LeFlore, Pushmataha | 47 min |
| Apr 9, 10:24 PM CDT | Special Weather Statement | TSA | LeFlore | 36 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.