Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jan 25, 2021, 12:31 AM CST for Wichita County, Texas; Comanche County, Cotton County, Tillman County, Oklahoma. It was in force for 44 min. 2 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
- Jan 25, 2021, 12:31 AM CST (06:31 UTC)
- Expired
- Jan 25, 2021, 1:15 AM CST
- In force
- 44 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 2.0 in
- Wind
- 50.0 mph
Counties Comanche County, OK, Cotton County, OK, Tillman County, OK, Wichita County, TX
The radar
The Altus AFB radar (KFDR), 49 km from the middle of the area, began a volume at 06:34 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 |
|---|---|---|---|
| Jan 25, 12:37 AM CST | HAIL 1 | Iowa Park, TX | |
| Jan 25, 12:38 AM CST | HAIL 1 | 1 Nw Iowa Park, TX |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 6.5 hours before the alert went out and 147 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
- 612 m above ground
- 0-6 km bulk shear
- 88 kt
- 0-1 km storm-relative helicity
- 395 m²/s²
- 0-3 km storm-relative helicity
- 763 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted.
319
WUUS54 KOUN 250631
SVROUN
OKC031-033-141-TXC485-250715-
/O.NEW.KOUN.SV.W.0002.210125T0631Z-210125T0715Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
1231 AM CST Mon Jan 25 2021
The National Weather Service in Norman has issued a
* Severe Thunderstorm Warning for...
Southeastern Comanche County in southwestern Oklahoma...
Cotton County in southwestern Oklahoma...
Southeastern Tillman County in southwestern Oklahoma...
Central Wichita County in northern Texas...
* Until 115 AM CST.
* At 1231 AM CST, severe thunderstorms were located along a line
extending from 6 miles northeast of Electra to 6 miles northwest of
Iowa Park to 8 miles northwest of Holliday, moving northeast at 70
mph.
HAZARD...Two inch hail and the potential for accumulating, small
hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect
damage to roofs, siding, windows, and vehicles.
* Locations impacted include...
Northwestern Wichita Falls, Lawton, Burkburnett, Walters, Iowa
Park, Geronimo, Grandfield, Temple, Randlett, Devol, Cookietown,
southeastern Fort Sill, Pleasant Valley, Hulen and Cashion.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms are producing large hail. SEEK SHELTER NOW inside a
sturdy structure and stay away from windows!
&&
LAT...LON 3404 9872 3416 9883 3473 9831 3468 9814
3434 9814 3416 9835 3415 9839 3413 9838
3387 9866
TIME...MOT...LOC 0631Z 220DEG 62KT 3407 9882 3401 9876 3391 9877
HAIL...2.00IN
WIND...<50MPH
$$
Mahale2 follow-up statements
581
WWUS54 KOUN 250642
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
1242 AM CST Mon Jan 25 2021
OKC031-033-141-TXC485-250715-
/O.CON.KOUN.SV.W.0002.000000T0000Z-210125T0715Z/
Comanche OK-Cotton OK-Tillman OK-Wichita TX-
1242 AM CST Mon Jan 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CST
FOR SOUTHEASTERN COMANCHE...COTTON...SOUTHEASTERN TILLMAN AND CENTRAL
WICHITA COUNTIES...
At 1242 AM CST, severe thunderstorms were located along a line
extending from 6 miles southwest of Devol to near Burkburnett to 3
miles southeast of Iowa Park, moving northeast at 65 mph.
HAZARD...70 mph wind gusts and ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Northwestern Wichita Falls, eastern Lawton, Burkburnett, Walters,
Iowa Park, Geronimo, Grandfield, Temple, Randlett, Devol, Cookietown,
Sheppard AFB, southeastern Fort Sill, Pleasant Valley, Hulen and
Cashion.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3401 9869 3416 9883 3473 9829 3468 9814
3434 9814 3416 9835 3415 9839 3413 9838
3388 9864 3388 9865
TIME...MOT...LOC 0642Z 231DEG 56KT 3414 9868 3408 9862 3393 9863
HAIL...1.50IN
WIND...70MPH
$$
Mahale652
WWUS54 KOUN 250653
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
1253 AM CST Mon Jan 25 2021
TXC485-250703-
/O.CAN.KOUN.SV.W.0002.000000T0000Z-210125T0715Z/
Wichita TX-
1253 AM CST Mon Jan 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WICHITA COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3424 9866 3424 9875 3473 9829 3468 9814
3434 9814 3416 9835 3415 9839 3413 9838
3413 9840 3410 9842 3406 9849
TIME...MOT...LOC 0653Z 227DEG 57KT 3437 9861 3431 9849 3418 9835
$$
OKC031-033-141-250715-
/O.CON.KOUN.SV.W.0002.000000T0000Z-210125T0715Z/
Comanche OK-Cotton OK-Tillman OK-
1253 AM CST Mon Jan 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CST
FOR SOUTHEASTERN COMANCHE...COTTON AND EAST CENTRAL TILLMAN
COUNTIES...
At 1253 AM CST, severe thunderstorms were located along a line
extending from 4 miles southeast of Chattanooga to near Cookietown to
6 miles east of Randlett, moving northeast at 65 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Eastern Lawton, Walters, Geronimo, Temple, Randlett, Devol,
Cookietown, southeastern Fort Sill and Hulen.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3424 9866 3424 9875 3473 9829 3468 9814
3434 9814 3416 9835 3415 9839 3413 9838
3413 9840 3410 9842 3406 9849
TIME...MOT...LOC 0653Z 227DEG 57KT 3437 9861 3431 9849 3418 9835
HAIL...1.00IN
WIND...60MPH
$$
MahaleThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 11:13 PM CST | Special Weather Statement | OUN | Knox | 32 min |
| Jan 24, 11:38 PM CST | Special Weather Statement | OUN | Knox | 37 min |
| Jan 24, 11:55 PM CST | Special Weather Statement | OUN | Baylor | 35 min |
| Jan 25, 12:09 AM CST | Severe Thunderstorm Warning | OUN | Archer, Baylor, Wichita, Wilbarger | 51 min |
| Jan 25, 12:38 AM CST | Severe Thunderstorm Warning | OUN | Archer, Clay, Wichita | 37 min |
| Jan 25, 1:01 AM CST | Severe Thunderstorm Warning | OUN | Clay | 44 min |
| Jan 25, 1:38 AM CST | Special Weather Statement | OUN | Wilbarger | 37 min |
| Jan 24, 10:10 PM CST | Special Weather Statement | OUN | Washita | 35 min |
| Jan 24, 10:28 PM CST | Special Weather Statement | OUN | Blaine | 32 min |
| Jan 24, 10:56 PM CST | Special Weather Statement | OUN | Blaine | 34 min |
| Jan 24, 11:41 PM CST | Special Weather Statement | OUN | Washita | 34 min |
| Jan 25, 1:43 AM CST | Special Weather Statement | OUN | Carter, Garvin, Murray | 32 min |
| Jan 25, 2:26 AM CST | Special Weather Statement | OUN | Hughes, Murray, Pontotoc, Seminole | 49 min |
| Jan 25, 3:39 AM CST | Special Weather Statement | OUN | Coal, Johnston, Marshall | 51 min |
| Jan 25, 4:51 AM CST | Special Weather Statement | OUN | Atoka, Bryan | 39 min |
| Jan 25, 4:58 AM CST | Severe Thunderstorm Warning | OUN | Atoka, Bryan | 47 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 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.