Alert archive / Texas / Flash Flood Warnings in 2023

Flash Flood Warning 30, NWS Lubbock, TX

August 5, 2023Castro County, Lamb County, Texas

NWS Lubbock, TX issued this flash flood warning at Aug 5, 2023, 4:18 PM CDT for Castro County, Lamb County, Texas. It was in force for 67 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
Aug 5, 2023, 4:18 PM CDT (21:18 UTC)
Expired
Aug 5, 2023, 5:25 PM CDT
In force
67 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Flood severity
None

Counties Castro County, TX, Lamb County, TX

The radar

The Lubbock radar (KLBB), 85 km from the middle of the area, began a volume at 21:21 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.3 hours before the alert went out and 117 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, Amarillo Airport, TX at 12:00Z on 2023-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 846 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, Amarillo Airport, TX at 12:00Z on 2023-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -108 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
846 J/kg
Mixed-layer CIN
-349 J/kg
Mixed-layer LCL
2306 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-108 m²/s²
0-3 km storm-relative helicity
-83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 7:26 PM CDTSpecial Weather StatementLUBHall34 min
Aug 4, 8:09 PM CDTSpecial Weather StatementLUBHall51 min
Aug 4, 8:48 PM CDTSevere Thunderstorm Warning Considerable damage threatLUBBriscoe, Hall, Motley42 min
Aug 5, 2:57 PM CDTSpecial Weather StatementLUBCastro33 min
Aug 5, 3:12 PM CDTSevere Thunderstorm WarningLUBCastro, Parmer63 min
Aug 5, 3:54 PM CDTSevere Thunderstorm Warning Considerable damage threatLUBCastro, Lamb66 min
Aug 5, 4:57 PM CDTSevere Thunderstorm WarningLUBLamb63 min
Aug 5, 6:07 PM CDTSpecial Weather StatementLUBCochran23 min
Aug 5, 6:30 PM CDTSpecial Weather StatementLUBCochran30 min

Nearby

Flash Flood Warnings in Texas, 2023Every flash flood warning in 2023

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.