Alert archive / Texas / Flash Flood Warnings in 1999

Flash Flood Warning 16, NWS Lubbock, TX

May 24, 1999Hockley County, Texas

NWS Lubbock, TX issued this flash flood warning at May 24, 1999, 11:56 PM CDT for Hockley County, Texas. It was in force for 3 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
May 24, 1999, 11:56 PM CDT (04:56 UTC)
Expired
May 25, 1999, 3:00 AM CDT
In force
3 hr
Issued by
NWS Lubbock, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Hockley County, TX

The radar

The Lubbock radar (KLBB), 49 km from the middle of the area, began a volume at 04:57 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

Midland Regional, TX (KMAF), launched 00:00Z, 4.9 hours before the alert went out and 185 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, Midland Regional, TX at 00:00Z on 1999-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 826 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, Midland Regional, TX at 00:00Z on 1999-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 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
826 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1566 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
268 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 10:19 PM CDTSevere Thunderstorm WarningLUBBailey, Parmer41 min
May 24, 10:29 PM CDTSevere Thunderstorm WarningLUBCochran, Yoakum46 min
May 24, 11:00 PM CDTSevere Thunderstorm WarningLUBTerry60 min
May 24, 11:11 PM CDTSevere Thunderstorm WarningLUBBailey, Castro, Lamb, Parmer49 min
May 24, 11:50 PM CDTSevere Thunderstorm WarningLUBHale, Swisher55 min
May 25, 3:31 PM CDTSevere Thunderstorm WarningLUBCastro, Lamb59 min
May 25, 4:15 PM CDTSevere Thunderstorm WarningLUBHale60 min
May 25, 4:21 PM CDTTornado WarningLUBLamb24 min
May 25, 4:27 PM CDTSevere Thunderstorm WarningLUBCastro63 min
May 25, 4:31 PM CDTSevere Thunderstorm WarningLUBCrosby59 min
May 25, 4:33 PM CDTTornado WarningLUBHale, Lamb42 min
May 25, 4:49 PM CDTTornado WarningLUBCrosby56 min
May 25, 5:13 PM CDTTornado WarningLUBHale47 min
May 25, 5:32 PM CDTTornado WarningLUBCastro13 min
May 25, 5:35 PM CDTTornado WarningLUBFloyd55 min
May 25, 5:41 PM CDTTornado WarningLUBDickens64 min
May 25, 5:44 PM CDTTornado WarningLUBCrosby31 min
May 25, 6:10 PM CDTTornado WarningLUBKent65 min
May 25, 6:16 PM CDTSevere Thunderstorm WarningLUBCrosby44 min
May 25, 6:25 PM CDTSevere Thunderstorm WarningLUBFloyd50 min
May 25, 6:43 PM CDTSevere Thunderstorm WarningLUBDickens62 min
May 25, 6:54 PM CDTTornado WarningLUBDickens51 min

Nearby

Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999

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.