Alert archive / Texas / Flash Flood Warnings in 1995

Flash Flood Warning 20, NWS Houston/Galveston, TX

May 30, 1995Galveston County, Texas

NWS Houston/Galveston, TX issued this flash flood warning at May 30, 1995, 10:04 AM CDT for Galveston County, Texas. It was in force for 86 min.

The area

The counties it named.

The facts

Issued
May 30, 1995, 10:04 AM CDT (15:04 UTC)
Expired
May 30, 1995, 11:30 AM CDT
In force
86 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Galveston County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.1 hours before the alert went out and 180 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, Lake Charles Mun, LA at 12:00Z on 1995-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1718 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, Lake Charles Mun, LA at 12:00Z on 1995-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
1718 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
665 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.4

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.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Houston/Galveston, TX wrote its last area forecast discussion before this flash flood warning went out at May 30, 9:24 AM CDT, 40 minutes earlier.

Area forecast discussion, May 30, 9:24 AM CDT, 40 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 5:01 AM CDTFlash Flood WarningHGXHarris119 min
May 30, 5:27 AM CDTSevere Thunderstorm WarningHGXHarris49 min
May 30, 5:43 AM CDTSevere Thunderstorm WarningHGXLiberty33 min
May 30, 5:58 AM CDTFlash Flood WarningHGXGalveston2 hr
May 30, 6:15 AM CDTFlash Flood WarningHGXWharton60 min
May 30, 6:15 AM CDTSevere Thunderstorm WarningHGXWharton60 min
May 30, 6:21 AM CDTFlash Flood WarningHGXBrazoria, Fort Bend2 hr
May 30, 6:25 AM CDTSevere Thunderstorm WarningHGXFort Bend, Harris65 min
May 30, 7:08 AM CDTSevere Thunderstorm WarningHGXBrazoria, Matagorda67 min
May 30, 7:09 AM CDTFlash Flood WarningHGXHarris2 hr
May 30, 7:23 AM CDTSevere Thunderstorm WarningHGXChambers67 min
May 30, 7:53 AM CDTFlash Flood WarningHGXGalveston2 hr
May 30, 8:28 AM CDTTornado WarningHGXChambers37 min
May 30, 9:22 AM CDTFlash Flood WarningHGXHarris2 hr

Nearby

Flash Flood Warnings in Texas, 1995Every flash flood warning in 1995

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.