Alert archive / Arkansas / Tornado Warnings in 2026
Tornado Warning 21, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Mar 11, 2026, 12:40 AM CDT for Sevier County, Arkansas; McCurtain County, Oklahoma. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 11, 2026, 12:40 AM CDT (05:40 UTC)
- Expired
- Mar 11, 2026, 1:00 AM CDT
- In force
- 20 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Sevier County, AR, McCurtain County, OK
The radar
The Western Arkansas radar (KSRX), 129 km from the middle of the area, began a volume at 05:40 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.
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 10, 10:18 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 5.7 hours before the alert went out and 200 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
- 1601 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 992 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 10.9
The text
As transmitted.
711
WFUS54 KSHV 110540
TORSHV
ARC133-OKC089-110630-
/O.NEW.KSHV.TO.W.0021.260311T0540Z-260311T0630Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
1240 AM CDT Wed Mar 11 2026
The National Weather Service in Shreveport has issued a
* Tornado Warning for...
Northwestern Sevier County in southwestern Arkansas...
East Central McCurtain County in southeastern Oklahoma...
* Until 130 AM CDT.
* At 1240 AM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located 6
miles north of Broken Bow, or 23 miles west of De Queen, moving
northeast at 60 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
* Locations impacted include...
Broken Bow, Gillham, Hochatown and Oak Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 3401 9482 3410 9488 3434 9447 3419 9447
3419 9424 3418 9423
TIME...MOT...LOC 0539Z 236DEG 49KT 3410 9476
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
133 follow-up statements
068
WWUS54 KSHV 110545
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
1245 AM CDT Wed Mar 11 2026
ARC133-OKC089-110630-
/O.CON.KSHV.TO.W.0021.000000T0000Z-260311T0630Z/
Sevier AR-McCurtain OK-
1245 AM CDT Wed Mar 11 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM CDT FOR
NORTHWESTERN SEVIER AND EAST CENTRAL MCCURTAIN COUNTIES...
At 1245 AM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located 9
miles north of Broken Bow, or 21 miles west of De Queen, moving
northeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Gillham and Hochatown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
Tornadoes are difficult to observe at night. Take cover now!
&&
LAT...LON 3404 9471 3414 9480 3434 9447 3419 9447
3419 9424 3418 9423
TIME...MOT...LOC 0540Z 235DEG 48KT 3411 9475
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
13878
WWUS54 KSHV 110553
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
1253 AM CDT Wed Mar 11 2026
ARC133-OKC089-110630-
/O.CON.KSHV.TO.W.0021.000000T0000Z-260311T0630Z/
Sevier AR-McCurtain OK-
1253 AM CDT Wed Mar 11 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM CDT FOR
NORTHWESTERN SEVIER AND EAST CENTRAL MCCURTAIN COUNTIES...
At 1253 AM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located 15
miles northeast of Broken Bow, or 16 miles northwest of De Queen,
moving northeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Gillham.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
Tornadoes are difficult to observe at night. Take cover now!
&&
LAT...LON 3408 9456 3423 9466 3434 9447 3419 9447
3419 9424 3418 9423
TIME...MOT...LOC 0545Z 240DEG 48KT 3413 9467
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
13738
WWUS54 KSHV 110600
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
100 AM CDT Wed Mar 11 2026
ARC133-OKC089-110610-
/O.CAN.KSHV.TO.W.0021.000000T0000Z-260311T0630Z/
Sevier AR-McCurtain OK-
100 AM CDT Wed Mar 11 2026
...TORNADO WARNING IS CANCELLED FOR NORTHWESTERN SEVIER AND EAST
CENTRAL MCCURTAIN COUNTIES...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
A Tornado Watch remains in effect until 400 AM CDT for portions of
southwest Arkansas and southeast Oklahoma.
&&
LAT...LON 3408 9456 3423 9466 3434 9447 3419 9447
3419 9424 3418 9423
TIME...MOT...LOC 0553Z 240DEG 48KT 3418 9456
$$
13The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 1:12 AM CDT | Tornado Warning | SHV | Hempstead, Howard, Little River, Sevier | 25 min |
| Mar 11, 5:10 AM CDT | Severe Thunderstorm Warning | SHV | Columbia, Hempstead, Lafayette, Miller | 36 min |
| Mar 11, 5:43 AM CDT | Special Weather Statement | SHV | Lafayette, Nevada | 32 min |
| Mar 10, 11:52 PM CDT | Severe Thunderstorm Warning | SHV | McCurtain | 53 min |
| Mar 11, 12:29 AM CDT | Special Weather Statement | SHV | McCurtain | 61 min |
Nearby
Tornado Warnings in Arkansas, 2026Tornado Warnings in Oklahoma, 2026Every tornado warning in 2026Tornadoes in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.