Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 82, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 9, 2021, 2:15 AM CDT for Benton County, Arkansas. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 9, 2021, 2:15 AM CDT (07:15 UTC)
- Expired
- May 9, 2021, 2:45 AM CDT
- In force
- 30 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Benton County, AR
The radar
The Springfield radar (KSGF), 117 km from the middle of the area, began a volume at 07:17 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 9, 2:30 AM CDT | HAIL 1.5 | Bella Vista, AR | PHOTO RELAYED BY BROADCAST MEDIA TWITTER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 7.3 hours before the alert went out and 66 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
- 2 J/kg
- Mixed-layer CIN
- -429 J/kg
- Mixed-layer LCL
- 2095 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 177 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
509
WUUS54 KTSA 090715
SVRTSA
ARC007-090745-
/O.NEW.KTSA.SV.W.0082.210509T0715Z-210509T0745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
215 AM CDT Sun May 9 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northwestern Benton County in northwestern Arkansas...
* Until 245 AM CDT.
* At 215 AM CDT, a severe thunderstorm was located 3 miles southeast
of South West City, moving east at 50 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...
Bella Vista... Pea Ridge...
Gravette... Hiwasse...
Maysville...
This includes Interstate 49 near mile marker 93.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3644 9407 3639 9460 3650 9461 3650 9407
TIME...MOT...LOC 0715Z 259DEG 45KT 3648 9456
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
974
WWUS54 KTSA 090727
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
227 AM CDT Sun May 9 2021
ARC007-090745-
/O.CON.KTSA.SV.W.0082.000000T0000Z-210509T0745Z/
Benton AR-
227 AM CDT Sun May 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR NORTH CENTRAL BENTON COUNTY...
At 227 AM CDT, a severe thunderstorm was located 3 miles northwest of
Bella Vista, moving east at 55 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Bella Vista... Pea Ridge...
Hiwasse...
This includes Interstate 49 near mile marker 93.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3644 9407 3641 9441 3650 9448 3650 9407
TIME...MOT...LOC 0727Z 262DEG 46KT 3648 9436
HAIL...1.00IN
WIND...60MPH
$$028
WWUS54 KTSA 090741
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
241 AM CDT Sun May 9 2021
ARC007-090751-
/O.EXP.KTSA.SV.W.0082.000000T0000Z-210509T0745Z/
Benton AR-
241 AM CDT Sun May 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BENTON COUNTY
WILL EXPIRE AT 245 AM CDT...
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.
LAT...LON 3644 9407 3641 9441 3650 9448 3650 9407
TIME...MOT...LOC 0741Z 259DEG 45KT 3651 9417
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 3:01 AM CDT | Special Weather Statement | TSA | Crawford | 29 min |
| May 9, 3:17 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Madison, Washington | 43 min |
| May 9, 3:47 AM CDT | Special Weather Statement | TSA | Carroll | 28 min |
| May 9, 4:02 AM CDT | Special Weather Statement | TSA | Madison | 28 min |
| May 9, 10:12 AM CDT | Special Weather Statement | TSA | Carroll | 33 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.