Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 41, NWS San Angelo, TX

August 5, 1990Menard County, Texas

NWS San Angelo, TX issued this flash flood warning at Aug 5, 1990, 9:14 PM CDT for Menard County, Texas. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Aug 5, 1990, 9:14 PM CDT (02:14 UTC)
Expired
Aug 6, 1990, 2:15 AM CDT
In force
5 hr
Issued by
NWS San Angelo, TX
Area
Whole counties

County Menard County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 2.2 hours before the alert went out and 195 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, Del Rio, TX at 00:00Z on 1990-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1617 joules per kilogram.LCLEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 1990-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.1939Sfc1 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
1617 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1406 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 5, 9:58 PM CDTFlash Flood WarningSJTSchleicher, Sutton9 hr
Aug 5, 9:58 PM CDTFlash Flood WarningSJTMenard9 hr
Aug 6, 6:44 AM CDTFlash Flood WarningSJTMenard, Schleicher, Sutton10 hr
Aug 6, 4:12 PM CDTFlash Flood WarningSJTSutton6 hr
Aug 6, 4:12 PM CDTFlash Flood WarningSJTMenard6 hr

Nearby

Flash Flood Warnings in Texas, 1990Every flash flood warning in 1990

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.