Alert archive / Texas / Flash Flood Warnings in 1993

Flash Flood Warning 10, NWS Houston/Galveston, TX

June 22, 1993Brazoria County, Texas

NWS Houston/Galveston, TX issued this flash flood warning at Jun 22, 1993, 6:01 AM CDT for Brazoria County, Texas. It was in force for 119 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1993, 6:01 AM CDT (11:01 UTC)
Expired
Jun 22, 1993, 8:00 AM CDT
In force
119 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Brazoria County, TX

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 11.0 hours before the alert went out and 363 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, Longview/Gregg, TX at 00:00Z on 1993-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1504 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, Longview/Gregg, TX at 00:00Z on 1993-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
1504 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
544 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.4

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 Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 9:25 PM CDTFlash Flood WarningHGXAustin, Waller, Washington3 hr
Jun 22, 6:47 AM CDTFlash Flood WarningHGXGalveston118 min
Jun 22, 7:50 AM CDTFlash Flood WarningHGXBrazoria3 hr

Nearby

Flash Flood Warnings in Texas, 1993Every flash flood warning in 1993

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.