Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 30, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 27, 2021, 5:05 PM CDT for 4 counties in Arkansas; Bowie County, Texas. It was in force for 40 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
- Mar 27, 2021, 5:05 PM CDT (22:05 UTC)
- Expired
- Mar 27, 2021, 5:45 PM CDT
- In force
- 40 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Hempstead County, AR, Howard County, AR, Little River County, AR, Sevier County, AR, Bowie County, TX
The radar
The Shreveport radar (KSHV), 131 km from the middle of the area, began a volume at 22:05 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 27, 5:07 PM CDT | TSTM WND DMG | Hooks, TX | TREE DOWN ACROSS ROADWAY IN VICINITY OF HOOKS, TX. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 27, 3:25 PM CDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 10.1 hours before the alert went out and 130 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
- 951 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 238 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.6
The text
As transmitted.
110
WUUS54 KSHV 272205
SVRSHV
ARC057-061-081-133-TXC037-272245-
/O.NEW.KSHV.SV.W.0030.210327T2205Z-210327T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
505 PM CDT Sat Mar 27 2021
The National Weather Service in Shreveport has issued a
* Severe Thunderstorm Warning for...
Southeastern Little River County in southwestern Arkansas...
West central Hempstead County in southwestern Arkansas...
Southeastern Sevier County in southwestern Arkansas...
Southeastern Howard County in southwestern Arkansas...
East central Bowie County in northeastern Texas...
* Until 545 PM CDT.
* At 505 PM CDT, a severe thunderstorm was located over Hooks, or 8
miles northeast of New Boston, moving northeast at 45 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 impacted include...
Ashdown, Hooks, Wilton, Tollette, Ogden, Saratoga, Richmond, Leary,
Bright Star, Millwood, Red Bank, Pine Prairie and Red Bluff.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas...and northeastern Texas.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3342 9431 3352 9440 3388 9398 3378 9373
TIME...MOT...LOC 2205Z 227DEG 40KT 3351 9428
HAIL...1.50IN
WIND...60MPH
$$
152 follow-up statements
762
WWUS54 KSHV 272219
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
519 PM CDT Sat Mar 27 2021
ARC057-061-081-133-TXC037-272245-
/O.CON.KSHV.SV.W.0030.000000T0000Z-210327T2245Z/
Little River AR-Hempstead AR-Sevier AR-Howard AR-Bowie TX-
519 PM CDT Sat Mar 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHEASTERN LITTLE RIVER...WEST CENTRAL HEMPSTEAD...SOUTHEASTERN
SEVIER...SOUTHEASTERN HOWARD AND EAST CENTRAL BOWIE COUNTIES...
At 519 PM CDT, a severe thunderstorm was located near Ashdown, moving
northeast at 50 mph.
This is a very dangerous storm.
HAZARD...Baseball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.
Locations impacted include...
Ashdown, Tollette, Ogden, Saratoga, Bright Star, Millwood, Pine
Prairie and Red Bluff.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas...and northeastern Texas.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3353 9413 3358 9426 3388 9398 3378 9373
TIME...MOT...LOC 2219Z 228DEG 45KT 3363 9413
HAIL...2.75IN
WIND...60MPH
$$
15627
WWUS54 KSHV 272231
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
531 PM CDT Sat Mar 27 2021
TXC037-272241-
/O.CAN.KSHV.SV.W.0030.000000T0000Z-210327T2245Z/
Bowie TX-
531 PM CDT Sat Mar 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BOWIE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas.
LAT...LON 3361 9400 3366 9412 3387 9395 3378 9373
TIME...MOT...LOC 2231Z 232DEG 40KT 3369 9400
$$
ARC057-061-081-133-272245-
/O.CON.KSHV.SV.W.0030.000000T0000Z-210327T2245Z/
Little River AR-Hempstead AR-Sevier AR-Howard AR-
531 PM CDT Sat Mar 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHEASTERN LITTLE RIVER...WEST CENTRAL HEMPSTEAD...SOUTHEASTERN
SEVIER AND SOUTHEASTERN HOWARD COUNTIES...
At 531 PM CDT, a severe thunderstorm was located 7 miles east of
Ashdown, moving northeast at 45 mph. This storm has shown a
weakening trend over the last few minutes.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Ashdown, Tollette, Saratoga, Bright Star, Millwood and Red Bluff.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3361 9400 3366 9412 3387 9395 3378 9373
TIME...MOT...LOC 2231Z 232DEG 40KT 3369 9400
HAIL...1.00IN
WIND...60MPH
$$
15The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 4:04 PM CDT | Special Weather Statement | SHV | Columbia | 41 min |
| Mar 27, 5:34 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead, Nevada | 26 min |
| Mar 27, 5:59 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead, Nevada | 23 min |
| Mar 27, 5:47 PM CDT | Special Weather Statement | SHV | Cherokee | 43 min |
| Mar 27, 5:51 PM CDT | Special Weather Statement | SHV | Cherokee | 39 min |
| Mar 27, 5:55 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 50 min |
| Mar 27, 6:03 PM CDT | Tornado Warning | SHV | Cherokee | 27 min |
| Mar 27, 6:27 PM CDT | Tornado Warning | SHV | Cherokee, Nacogdoches, Rusk | 48 min |
| Mar 27, 6:31 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Cass | 59 min |
| Mar 27, 6:54 PM CDT | Tornado Warning | SHV | Panola, Rusk, Shelby | 51 min |
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.