Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 15, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Mar 13, 2021, 7:17 PM CST for Foard County, Hardeman County, Texas. It was in force for 43 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 13, 2021, 7:17 PM CST (01:17 UTC)
- Expired
- Mar 13, 2021, 8:00 PM CST
- In force
- 43 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 2.0 in
- Wind
- 70.0 mph
Counties Foard County, TX, Hardeman County, TX
The radar
The Altus AFB radar (KFDR), 90 km from the middle of the area, began a volume at 01:17 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 nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 1.3 hours before the alert went out and 257 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
- 217 J/kg
- Mixed-layer CIN
- -129 J/kg
- Mixed-layer LCL
- 862 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.3
The text
As transmitted.
455
WUUS54 KOUN 140117
SVROUN
TXC155-197-140200-
/O.NEW.KOUN.SV.W.0015.210314T0117Z-210314T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
717 PM CST Sat Mar 13 2021
The National Weather Service in Norman has issued a
* Severe Thunderstorm Warning for...
Northwestern Foard County in northern Texas...
Southwestern Hardeman County in northern Texas...
* Until 800 PM CST.
* At 717 PM CST, a severe thunderstorm was located near Swearingen,
moving northeast at 40 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...
Quanah, Goodlett, Copper Breaks State Park and Lazare.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3423 10005 3424 10003 3424 10001 3423 10000
3436 10000 3444 9985 3430 9970 3408 9973
3401 10005
TIME...MOT...LOC 0117Z 244DEG 36KT 3412 10018
HAIL...2.00IN
WIND...70MPH
$$
Mahale1 follow-up statement
397
WWUS54 KOUN 140126
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
726 PM CST Sat Mar 13 2021
TXC155-197-140200-
/O.CON.KOUN.SV.W.0015.000000T0000Z-210314T0200Z/
Foard TX-Hardeman TX-
726 PM CST Sat Mar 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CST
FOR NORTHWESTERN FOARD AND SOUTHWESTERN HARDEMAN COUNTIES...
At 726 PM CST, a severe thunderstorm was located near Swearingen,
moving northeast at 40 mph.
HAZARD...Two inch hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Quanah, Goodlett, Copper Breaks State Park and Lazare.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms.
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3423 10005 3424 10003 3424 10001 3423 10000
3436 10000 3444 9985 3430 9970 3408 9973
3401 10005
TIME...MOT...LOC 0126Z 244DEG 36KT 3416 10008
TORNADO...POSSIBLE
HAIL...2.00IN
WIND...70MPH
$$
MahaleThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 7:32 PM CST | Tornado Warning | OUN | Foard, Hardeman | 28 min |
| Mar 13, 7:57 PM CST | Tornado Warning | OUN | Hardeman | 18 min |
| Mar 13, 8:02 PM CST | Severe Thunderstorm Warning | OUN | Hardeman | 28 min |
| Mar 13, 8:05 PM CST | Tornado Warning | OUN | Hardeman | 25 min |
| Mar 13, 8:42 PM CST | Special Weather Statement | OUN | Knox | 48 min |
| Mar 13, 9:26 PM CST | Special Weather Statement | OUN | Baylor, Knox | 49 min |
| Mar 13, 10:52 PM CST | Special Weather Statement | OUN | Archer | 38 min |
Nearby
Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.