Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 4, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Feb 25, 2021, 10:45 PM CST for 6 counties in Arkansas; Bowie County, Cass County, Texas. It was in force for 45 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
- Feb 25, 2021, 10:45 PM CST (04:45 UTC)
- Expired
- Feb 25, 2021, 11:30 PM CST
- In force
- 45 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Columbia County, AR, Hempstead County, AR, Lafayette County, AR, Little River County, AR, Miller County, AR, Nevada County, AR, Bowie County, TX, Cass County, TX
The radar
The Shreveport radar (KSHV), 116 km from the middle of the area, began a volume at 04:48 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 |
|---|---|---|---|
| Feb 25, 10:45 PM CST | HAIL 0.75 | 3 Nnw Texarkana, TX |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 4.8 hours before the alert went out and 110 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1097 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 288 m²/s²
- 0-3 km storm-relative helicity
- 522 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted.
823
WUUS54 KSHV 260445
SVRSHV
ARC027-057-073-081-091-099-TXC037-067-260530-
/O.NEW.KSHV.SV.W.0004.210226T0445Z-210226T0530Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
1045 PM CST Thu Feb 25 2021
The National Weather Service in Shreveport has issued a
* Severe Thunderstorm Warning for...
Southeastern Little River County in southwestern Arkansas...
Southern Hempstead County in southwestern Arkansas...
Miller County in southwestern Arkansas...
Northeastern Lafayette County in southwestern Arkansas...
Nevada County in southwestern Arkansas...
Northwestern Columbia County in southwestern Arkansas...
Northeastern Cass County in northeastern Texas...
East central Bowie County in northeastern Texas...
* Until 1130 PM CST.
* At 1044 PM CST, severe thunderstorms were located along a line
extending from near Ogden to Texarkana to 7 miles south of Wake
Village, moving east at 65 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 impacted include...
Texarkana, Magnolia, Hope, Wake Village, Stamps, Waldo, Lewisville,
McNeil, Nash, Fouke, Emmet, Buckner, Perrytown, Rosston, Garland,
Fulton, Ogden, Willisville, Bodcaw and Bluff City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3338 9312 3338 9311 3322 9316 3326 9413
3360 9413 3377 9310
TIME...MOT...LOC 0444Z 265DEG 57KT 3356 9409 3344 9406 3331 9410
HAIL...1.00IN
WIND...60MPH
$$
092 follow-up statements
437
WWUS54 KSHV 260503
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
1103 PM CST Thu Feb 25 2021
ARC081-TXC037-067-260512-
/O.CAN.KSHV.SV.W.0004.000000T0000Z-210226T0530Z/
Little River AR-Cass TX-Bowie TX-
1103 PM CST Thu Feb 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LITTLE RIVER...
NORTHEASTERN CASS AND EAST CENTRAL BOWIE COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3338 9312 3338 9311 3322 9316 3331 9376
3366 9375 3377 9310
TIME...MOT...LOC 0502Z 266DEG 55KT 3346 9363
$$
ARC027-057-073-091-099-260530-
/O.CON.KSHV.SV.W.0004.000000T0000Z-210226T0530Z/
Hempstead AR-Miller AR-Lafayette AR-Nevada AR-Columbia AR-
1103 PM CST Thu Feb 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CST
FOR SOUTHEASTERN HEMPSTEAD...NORTHEASTERN MILLER...NORTHEASTERN
LAFAYETTE...NEVADA AND NORTHWESTERN COLUMBIA COUNTIES...
At 1102 PM CST, a severe thunderstorm was located 7 miles northwest
of Lewisville, moving east at 65 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 impacted include...
Magnolia, Hope, Stamps, Waldo, Lewisville, McNeil, Buckner,
Perrytown, Rosston, Garland, Willisville, Bodcaw, Bluff City, White
Oak Lake State Park, Mount Vernon, Cale, Patmos, Waterloo, Falcon and
College Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3338 9312 3338 9311 3322 9316 3331 9376
3366 9375 3377 9310
TIME...MOT...LOC 0502Z 266DEG 55KT 3346 9363
HAIL...1.00IN
WIND...60MPH
$$
09097
WWUS54 KSHV 260518
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
1118 PM CST Thu Feb 25 2021
ARC057-091-260527-
/O.CAN.KSHV.SV.W.0004.000000T0000Z-210226T0530Z/
Hempstead AR-Miller AR-
1118 PM CST Thu Feb 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HEMPSTEAD AND
NORTHEASTERN MILLER COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3338 9312 3338 9311 3322 9316 3327 9348
3347 9340 3371 9345 3377 9310
TIME...MOT...LOC 0517Z 265DEG 57KT 3348 9334
$$
ARC027-073-099-260530-
/O.CON.KSHV.SV.W.0004.000000T0000Z-210226T0530Z/
Lafayette AR-Nevada AR-Columbia AR-
1118 PM CST Thu Feb 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CST
FOR NORTHEASTERN LAFAYETTE...SOUTHERN NEVADA AND NORTHWESTERN
COLUMBIA COUNTIES...
At 1117 PM CST, a severe thunderstorm was located near Willisville,
or 9 miles north of Waldo, moving east at 65 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 impacted include...
Magnolia, Waldo, McNeil, Buckner, Rosston, Willisville, Bodcaw, Bluff
City, White Oak Lake State Park, Mount Vernon, Cale, Young, Sutton,
Waterloo, Mount Moriah, College Hill, Lamartine, Morris, Laneburg and
Reader.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3338 9312 3338 9311 3322 9316 3327 9348
3347 9340 3371 9345 3377 9310
TIME...MOT...LOC 0517Z 265DEG 57KT 3348 9334
HAIL...1.00IN
WIND...60MPH
$$
24The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 6:28 PM CST | Special Weather Statement | SHV | Union | 47 min |
| Feb 25, 10:10 PM CST | Severe Thunderstorm Warning | SHV | Little River, Miller | 50 min |
| Feb 26, 12:30 AM CST | Special Weather Statement | SHV | Little River | 30 min |
| Feb 26, 8:00 AM CST | River Flood Warning | SHV | Ashley, Union | 57 days |
| Feb 25, 6:40 PM CST | Special Weather Statement | SHV | Gregg, Harrison, Marion | 50 min |
| Feb 25, 9:37 PM CST | Severe Thunderstorm Warning | SHV | Bowie, Franklin, Red River, Titus | 38 min |
| Feb 25, 11:56 PM CST | Special Weather Statement | SHV | Red River | 34 min |
| Feb 26, 9:47 AM CST | River Flood Warning | SHV | Franklin, Morris, Red River, Titus | 5 days |
| Feb 26, 9:47 AM CST | River Flood Warning | SHV | Franklin, Morris, Titus | 6 days |
| Feb 26, 9:50 AM CST | River Flood Warning | SHV | Cass, Marion | 10 days |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2021Severe Thunderstorm Warnings in Texas, 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.