Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 70, NWS Austin/San Antonio, TX

May 27, 1992Bexar County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 27, 1992, 1:46 AM CDT for Bexar County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 27, 1992, 1:46 AM CDT (06:46 UTC)
Expired
May 27, 1992, 6:00 AM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Bexar County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 6.8 hours before the alert went out and 223 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, Corpus Christi, TX at 00:00Z on 1992-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 663 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, Corpus Christi, TX at 00:00Z on 1992-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.1939587897Sfc1 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
663 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1220 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

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 Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 11:07 PM CDTSevere Thunderstorm WarningEWXMaverick68 min
May 27, 5:32 AM CDTFlash Flood WarningEWXBexar3 hr
May 27, 3:52 PM CDTSevere Thunderstorm WarningEWXLlano53 min
May 27, 4:24 PM CDTSevere Thunderstorm WarningEWXLlano, San Saba66 min
May 27, 4:28 PM CDTTornado WarningEWXBlanco47 min
May 27, 4:34 PM CDTSevere Thunderstorm WarningEWXBurnet41 min
May 27, 5:15 PM CDTTornado WarningEWXBlanco30 min
May 27, 5:18 PM CDTSevere Thunderstorm WarningEWXBurnet27 min
May 27, 5:31 PM CDTSevere Thunderstorm WarningEWXTravis59 min
May 27, 5:31 PM CDTSevere Thunderstorm WarningEWXLlano59 min
May 27, 5:47 PM CDTSevere Thunderstorm WarningEWXBurnet43 min
May 27, 6:06 PM CDTTornado WarningEWXTravis39 min
May 27, 6:20 PM CDTSevere Thunderstorm WarningEWXLlano40 min
May 27, 6:40 PM CDTTornado WarningEWXTravis50 min

Nearby

Flash Flood Warnings in Texas, 1992Every flash flood warning in 1992

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.