Alert archive / Texas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 166, NWS Norman, OK

April 12, 2026Foard County, Knox County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Apr 12, 2026, 6:32 PM CDT for Foard County, Knox County, Texas. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 12, 2026, 6:32 PM CDT (23:32 UTC)
Expired
Apr 12, 2026, 7:00 PM CDT
In force
28 min
Issued by
NWS Norman, OK
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Foard County, TX, Knox County, TX

The radar

The Altus AFB radar (KFDR), 96 km from the middle of the area, began a volume at 23:33 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

Fort Worth, TX (KFWD), launched 12:00Z, 11.5 hours before the alert went out and 253 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.

Skew-T log-pSkew-T log-p diagram, Fort Worth, TX at 12:00Z on 2026-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2026-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
6 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 11, 8:47 PM CDTSpecial Weather StatementOUNRoger Mills28 min
Apr 11, 9:08 PM CDTSpecial Weather StatementOUNEllis22 min
Apr 11, 10:25 PM CDTSpecial Weather StatementOUNBeckham20 min
Apr 12, 5:38 AM CDTAreal Flood AdvisoryOUNComanche112 min
Apr 12, 7:24 AM CDTAreal Flood AdvisoryOUNCleveland, Oklahoma3 hr
Apr 12, 8:18 AM CDTAreal Flood AdvisoryOUNKay3 hr
Apr 12, 8:25 AM CDTSpecial Weather StatementOUNGarfield35 min
Apr 12, 2:24 PM CDTFire Weather WatchOUNEllis, Harper, Woods, Woodward11 hr
Apr 12, 6:06 PM CDTSpecial Weather StatementOUNFoard39 min
Apr 12, 6:55 PM CDTSpecial Weather StatementOUNFoard35 min

Nearby

Severe Thunderstorm Warnings in Texas, 2026Every severe thunderstorm warning 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.