Alert archive / Texas / Tornado Warnings in 2021
Tornado Warning 12, NWS Norman, OK
NWS Norman, OK issued this tornado warning at Apr 27, 2021, 4:55 PM CDT for Wichita County, Wilbarger County, Texas. It was in force for 39 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
- Apr 27, 2021, 4:55 PM CDT (21:55 UTC)
- Expired
- Apr 27, 2021, 5:34 PM CDT
- In force
- 39 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 2.0 in
Counties Wichita County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 50 km from the middle of the area, began a volume at 21:55 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 |
|---|---|---|---|
| Apr 27, 1:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 9.9 hours before the alert went out and 212 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
- 81 J/kg
- Mixed-layer CIN
- -760 J/kg
- Mixed-layer LCL
- 713 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
873
WFUS54 KOUN 272155
TOROUN
TXC485-487-272245-
/O.NEW.KOUN.TO.W.0012.210427T2155Z-210427T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Norman OK
455 PM CDT Tue Apr 27 2021
The National Weather Service in Norman has issued a
* Tornado Warning for...
Southwestern Wichita County in northern Texas...
Southeastern Wilbarger County in northern Texas...
* Until 545 PM CDT.
* At 455 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles southwest of Grayback, moving east at 25 mph.
HAZARD...Tornado and hail up to two inches in diameter.
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...
Electra, Harrold, Grayback and Haynesville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a storm shelter, safe room or an interior
room on the lowest floor of a sturdy building. Avoid 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 3384 9930 3396 9934 3409 9926 3414 9890
3387 9883 3383 9913
TIME...MOT...LOC 2155Z 255DEG 23KT 3392 9922
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$
JT3 follow-up statements
270
WWUS54 KOUN 272206
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
506 PM CDT Tue Apr 27 2021
TXC485-487-272245-
/O.CON.KOUN.TO.W.0012.000000T0000Z-210427T2245Z/
Wichita TX-Wilbarger TX-
506 PM CDT Tue Apr 27 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHWESTERN WICHITA AND SOUTHEASTERN WILBARGER COUNTIES...
At 505 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles east of Grayback, moving east-northeast at 40
mph.
HAZARD...Tornado and two inch hail.
SOURCE...Weather spotters reported a funnel cloud.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Electra, Harrold, Grayback and Haynesville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a storm shelter, safe room, or an interior
room on the lowest floor of a sturdy building. Avoid windows. If you
are outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.
&&
LAT...LON 3389 9923 3402 9925 3409 9919 3414 9890
3387 9883 3388 9911
TIME...MOT...LOC 2205Z 252DEG 33KT 3396 9907
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$
JT673
WWUS54 KOUN 272216
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
516 PM CDT Tue Apr 27 2021
TXC485-487-272245-
/O.CON.KOUN.TO.W.0012.000000T0000Z-210427T2245Z/
Wichita TX-Wilbarger TX-
516 PM CDT Tue Apr 27 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR WEST
CENTRAL WICHITA AND EAST CENTRAL WILBARGER COUNTIES...
At 516 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles of southwest of Electra, moving northeast at 45
mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Weather spotters reported a funnel cloud.
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...
Electra, Harrold and Haynesville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a storm shelter, safe room, or an interior
room on the lowest floor of a sturdy building. Avoid 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 3405 9916 3410 9913 3414 9890 3395 9885
3399 9912
TIME...MOT...LOC 2216Z 240DEG 38KT 3402 9896
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
JT505
WWUS54 KOUN 272234
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
534 PM CDT Tue Apr 27 2021
TXC485-487-272243-
/O.CAN.KOUN.TO.W.0012.000000T0000Z-210427T2245Z/
Wichita TX-Wilbarger TX-
534 PM CDT Tue Apr 27 2021
...THE TORNADO WARNING FOR WEST CENTRAL WICHITA AND EAST CENTRAL
WILBARGER COUNTIES IS CANCELLED...
The rotation associated with the storm near Electra has weakened.
Therefore, the potential to produce a tornado has decreased
and the tornado warning has been cancelled.
LAT...LON 3405 9916 3410 9913 3414 9890 3395 9885
3399 9912
TIME...MOT...LOC 2231Z 255DEG 23KT 3405 9883
$$
JTThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 11:08 AM CDT | Flood Watch | OUN | Archer, Baylor, Clay, Wichita, Wilbarger | 40 hr |
| Apr 27, 3:30 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Knox | 45 min |
| Apr 27, 3:47 PM CDT | Tornado Warning | OUN | Foard, Knox | 28 min |
| Apr 27, 4:12 PM CDT | Tornado Warning | OUN | Baylor, Foard, Knox, Wilbarger | 48 min |
| Apr 27, 5:30 PM CDT | Severe Thunderstorm Warning | OUN | Wichita, Wilbarger | 45 min |
| Apr 27, 6:01 PM CDT | Severe Thunderstorm Warning | OUN | Wilbarger | 44 min |
| Apr 27, 6:24 PM CDT | Special Weather Statement | OUN | Wilbarger | 36 min |
| Apr 27, 6:32 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Knox, Wilbarger | 43 min |
| Apr 27, 6:41 PM CDT | Severe Thunderstorm Warning | OUN | Wichita, Wilbarger | 49 min |
Nearby
Tornado Warnings in Texas, 2021Every tornado warning in 2021Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.