Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 35, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 27, 2021, 7:20 PM CDT for Hempstead County, Lafayette County, Miller County, Arkansas; Bowie County, Cass County, Texas. It was in force for 40 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
- Mar 27, 2021, 7:20 PM CDT (00:20 UTC)
- Expired
- Mar 27, 2021, 8:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Hempstead County, AR, Lafayette County, AR, Miller County, AR, Bowie County, TX, Cass County, TX
The radar
The Shreveport radar (KSHV), 103 km from the middle of the area, began a volume at 00:20 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, 7:50 PM CDT | TSTM WND DMG | 7 Wnw Fouke, AR | TREE DOWN ACROSS HWY 237 NEAR MILLER COUNTY ROAD 28. |
| Mar 27, 7:57 PM CDT | TSTM WND DMG | 1 Nne Lewisville, AR | TREE DOWN NEAR COUNTY ROAD 120. |
| Mar 27, 7:57 PM CDT | TSTM WND DMG | 2 N Lewisville, AR | TREE DOWN NEAR COUNTY ROAD 25. |
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 00:00Z, 0.3 hours before the alert went out and 100 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
- 1297 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 8.1
The text
As transmitted.
133
WUUS54 KSHV 280020
SVRSHV
ARC057-073-091-TXC037-067-280100-
/O.NEW.KSHV.SV.W.0035.210328T0020Z-210328T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
720 PM CDT Sat Mar 27 2021
The National Weather Service in Shreveport has issued a
* Severe Thunderstorm Warning for...
Southeastern Hempstead County in southwestern Arkansas...
Miller County in southwestern Arkansas...
Central Lafayette County in southwestern Arkansas...
Northeastern Cass County in northeastern Texas...
Eastern Bowie County in northeastern Texas...
* Until 800 PM CDT.
* At 720 PM CDT, severe thunderstorms were located along a line
extending from near Genoa to near Queen City, moving northeast at
40 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, Atlanta, Lewisville, Queen City, Fouke, Garland,
Canfield, Genoa, Mount Pleasant, Bloomburg, Domino, Patmos,
Pleasant Hill, Spirit Lake, Fort Lynn and Piney Grove.
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 3359 9348 3314 9358 3314 9427 3343 9398
TIME...MOT...LOC 0019Z 243DEG 34KT 3341 9388 3320 9416
HAIL...1.00IN
WIND...60MPH
$$
152 follow-up statements
868
WWUS54 KSHV 280029
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
729 PM CDT Sat Mar 27 2021
TXC037-280038-
/O.CAN.KSHV.SV.W.0035.000000T0000Z-210328T0100Z/
Bowie TX-
729 PM CDT Sat Mar 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BOWIE COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas...and northeastern Texas.
LAT...LON 3359 9348 3314 9358 3314 9412 3344 9393
TIME...MOT...LOC 0028Z 258DEG 34KT 3342 9378 3319 9403
$$
ARC057-073-091-TXC067-280100-
/O.CON.KSHV.SV.W.0035.000000T0000Z-210328T0100Z/
Hempstead AR-Miller AR-Lafayette AR-Cass TX-
729 PM CDT Sat Mar 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHEASTERN HEMPSTEAD...CENTRAL MILLER...CENTRAL LAFAYETTE AND
EAST CENTRAL CASS COUNTIES...
At 728 PM CDT, severe thunderstorms were located along a line
extending from near Garland to near Brightstar, moving east at 40
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 impacted include...
Texarkana, Lewisville, Fouke, Garland, Canfield, Genoa, Bloomburg,
Patmos, Spirit Lake, Fort Lynn and Piney Grove.
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 3359 9348 3314 9358 3314 9412 3344 9393
TIME...MOT...LOC 0028Z 258DEG 34KT 3342 9378 3319 9403
HAIL...1.25IN
WIND...60MPH
$$
15928
WWUS54 KSHV 280044
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
744 PM CDT Sat Mar 27 2021
TXC067-280054-
/O.CAN.KSHV.SV.W.0035.000000T0000Z-210328T0100Z/
Cass TX-
744 PM CDT Sat Mar 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CASS COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas.
LAT...LON 3359 9348 3314 9358 3314 9399 3346 9383
TIME...MOT...LOC 0044Z 257DEG 42KT 3345 9354 3324 9379
$$
ARC057-073-091-280100-
/O.CON.KSHV.SV.W.0035.000000T0000Z-210328T0100Z/
Hempstead AR-Miller AR-Lafayette AR-
744 PM CDT Sat Mar 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHEASTERN HEMPSTEAD...CENTRAL MILLER AND CENTRAL LAFAYETTE
COUNTIES...
At 744 PM CDT, severe thunderstorms were located along a line
extending from 6 miles north of Lewisville to near Fouke, moving east
at 50 mph.
HAZARD...Two inch hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Lewisville, Fouke, Garland, Canfield, Patmos, Spirit Lake, Fort Lynn
and Piney Grove.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3359 9348 3314 9358 3314 9399 3346 9383
TIME...MOT...LOC 0044Z 257DEG 42KT 3345 9354 3324 9379
TORNADO...POSSIBLE
HAIL...2.00IN
WIND...70MPH
$$
15The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 7:56 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Hempstead, Lafayette, Miller, Nevada | 49 min |
| Mar 27, 10:23 PM CDT | Severe Thunderstorm Warning | SHV | Union | 67 min |
| Mar 27, 7:03 PM CDT | Special Weather Statement | SHV | Cass | 42 min |
| Mar 27, 7:31 PM CDT | Tornado Warning | SHV | Harrison, Marion | 44 min |
| Mar 27, 7:39 PM CDT | Tornado Warning | SHV | Panola | 51 min |
| Mar 27, 8:04 PM CDT | Tornado Warning | SHV | Harrison, Marion | 41 min |
| Mar 27, 9:45 PM CDT | Special Weather Statement | SHV | Rusk | 45 min |
| Mar 27, 9:52 PM CDT | Severe Thunderstorm Warning | SHV | Harrison, Panola, Rusk | 53 min |
| Mar 27, 10:39 PM CDT | Severe Thunderstorm Warning | SHV | Harrison, Panola | 51 min |
| Mar 28, 1:33 AM CDT | Special Weather Statement | SHV | Shelby | 42 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.