Alert archive / Texas / Flash Flood Warnings in 1987

Flash Flood Warning 1, NWS Houston/Galveston, TX

June 2, 1987Austin County, Colorado County, Texas

NWS Houston/Galveston, TX issued this flash flood warning at Jun 2, 1987, 11:02 PM CDT for Austin County, Colorado County, Texas. It was in force for 118 min.

The area

The counties it named.

The facts

Issued
Jun 2, 1987, 11:02 PM CDT (04:02 UTC)
Expired
Jun 3, 1987, 1:00 AM CDT
In force
118 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

Counties Austin County, TX, Colorado 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

Victoria Regiona, TX (KVCT), launched 00:00Z, 4.0 hours before the alert went out and 112 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, Victoria Regiona, TX at 00:00Z on 1987-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 720 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Victoria Regiona, TX at 00:00Z on 1987-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939Sfc1 km3 km6 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
720 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
87 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.

Nearby

Flash Flood Warnings in Texas, 1987Every flash flood warning in 1987

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.