Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 97, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 27, 2021, 4:37 PM CDT for Benton County, Washington County, Arkansas. It was in force for 53 min. 3 reports 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 27, 2021, 4:37 PM CDT (21:37 UTC)
- Expired
- May 27, 2021, 5:30 PM CDT
- In force
- 53 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Benton County, AR, Washington County, AR
The radar
The Western Arkansas radar (KSRX), 104 km from the middle of the area, began a volume at 21:37 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 27, 4:45 PM CDT | HAIL 0.75 | Johnson, AR | REPORT FROM MPING: DIME (0.75 IN.). |
| May 27, 4:48 PM CDT | HAIL 1.25 | 1 Sw Springdale, AR | REPORT FROM MPING: HALF DOLLAR (1.25 IN.). |
| May 27, 4:58 PM CDT | HAIL 0.5 | Johnson, AR |
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 12:00Z, 9.6 hours before the alert went out and 82 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
- 295 J/kg
- Mixed-layer CIN
- -229 J/kg
- Mixed-layer LCL
- 964 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
962
WUUS54 KTSA 272137
SVRTSA
ARC007-143-272230-
/O.NEW.KTSA.SV.W.0097.210527T2137Z-210527T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
437 PM CDT Thu May 27 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 530 PM CDT.
* At 437 PM CDT, a severe thunderstorm was located 4 miles southwest
of Springdale, moving northeast at 20 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...
Fayetteville... Springdale...
Lowell... Tontitown...
Bethel Heights... War Eagle...
Johnson... Goshen...
Monte Ne... Sonora...
This includes Interstate 49 between mile markers 62 and 74.
LAT...LON 3617 9391 3606 9420 3616 9428 3633 9400
3622 9389
TIME...MOT...LOC 2137Z 235DEG 17KT 3614 9417
HAIL...1.25IN
WIND...60MPH
$$
Lacy2 follow-up statements
775
WWUS54 KTSA 272153
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
453 PM CDT Thu May 27 2021
ARC007-143-272230-
/O.CON.KTSA.SV.W.0097.000000T0000Z-210527T2230Z/
Benton AR-Washington AR-
453 PM CDT Thu May 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR EAST CENTRAL BENTON AND NORTHEASTERN WASHINGTON COUNTIES...
At 453 PM CDT, a severe thunderstorm was located 3 miles east of
Springdale, moving northeast at 20 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations in or near the path include...
Fayetteville... Springdale...
Bethel Heights... War Eagle...
Goshen... Sonora...
This includes Interstate 49 near mile marker 73.
LAT...LON 3610 9409 3619 9419 3633 9400 3622 9389
3617 9391
TIME...MOT...LOC 2153Z 231DEG 17KT 3617 9407
HAIL...1.50IN
WIND...60MPH
$$
Lacy124
WWUS54 KTSA 272223
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
523 PM CDT Thu May 27 2021
ARC007-143-272232-
/O.EXP.KTSA.SV.W.0097.000000T0000Z-210527T2230Z/
Benton AR-Washington AR-
523 PM CDT Thu May 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BENTON AND
NORTHEASTERN WASHINGTON COUNTIES WILL EXPIRE AT 530 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore the warning will be
allowed to expire.
A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
northwestern Arkansas.
LAT...LON 3610 9409 3619 9419 3633 9400 3622 9389
3617 9391
TIME...MOT...LOC 2222Z 235DEG 17KT 3625 9393
$$
LacyThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 10:46 AM CDT | Flash Flood Watch | TSA | Benton, Carroll, Madison, Washington | 11 hr |
| May 27, 4:31 PM CDT | Special Weather Statement | TSA | Benton | 29 min |
| May 27, 4:55 PM CDT | Special Weather Statement | TSA | Madison | 35 min |
| May 27, 5:11 PM CDT | Special Weather Statement | TSA | Madison | 34 min |
| May 27, 5:49 PM CDT | Special Weather Statement | TSA | Benton | 41 min |
| May 27, 6:16 PM CDT | Areal Flood Advisory | TSA | Benton, Carroll, Madison, Washington | 3 hr |
| May 27, 6:29 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Madison, Washington | 61 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.