Alert archive / Texas / Flash Flood Warnings in 2026

Flash Flood Warning 52, NWS Lubbock, TX

September 15, 2026Briscoe County, Floyd County, Texas

NWS Lubbock, TX issued this flash flood warning at Sep 15, 2026, 3:58 PM CDT for Briscoe County, Floyd County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 15, 2026, 3:58 PM CDT (20:58 UTC)
Expired
Sep 15, 2026, 6:00 PM CDT
In force
2 hr
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Flood severity
None

Counties Briscoe County, TX, Floyd County, TX

The radar

The Lubbock radar (KLBB), 88 km from the middle of the area, began a volume at 21:00 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 12:00Z, 9.0 hours before the alert went out and 367 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, Norman, OK at 12:00Z on 2026-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 579 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, Norman, OK at 12:00Z on 2026-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.193958Sfc1 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
579 J/kg
Mixed-layer CIN
-173 J/kg
Mixed-layer LCL
1385 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 15, 3:39 PM CDTSpecial Weather StatementLUBBriscoe, Floyd36 min
Sep 15, 3:47 PM CDTSevere Thunderstorm Warning Considerable damage threatLUBBriscoe, Floyd, Hall, Motley28 min
Sep 15, 4:15 PM CDTSevere Thunderstorm Warning Considerable damage threatLUBBriscoe, Floyd, Hall, Motley45 min
Sep 15, 4:29 PM CDTSevere Thunderstorm WarningLUBHockley, Terry31 min
Sep 15, 4:56 PM CDTSevere Thunderstorm WarningLUBHockley, Terry34 min
Sep 15, 5:05 PM CDTSevere Thunderstorm Warning Considerable damage threatLUBLynn, Terry40 min
Sep 15, 5:46 PM CDTSevere Thunderstorm Warning Considerable damage threatLUBHale, Lamb, Lubbock29 min
Sep 15, 5:48 PM CDTSevere Thunderstorm Warning Considerable damage threatLUBLubbock27 min
Sep 15, 5:58 PM CDTFlash Flood WarningLUBFloyd2 hr
Sep 15, 6:15 PM CDTSpecial Weather StatementLUBLubbock30 min
Sep 15, 6:26 PM CDTSpecial Weather StatementLUBLubbock34 min
Sep 15, 6:38 PM CDTFlash Flood WarningLUBLubbock112 min
Sep 15, 6:42 PM CDTSevere Thunderstorm Warning Considerable damage threatLUBLubbock33 min
Sep 15, 6:48 PM CDTFlash Flood WarningLUBHale117 min

Nearby

Flash Flood Warnings in Texas, 2026Every flash flood 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.