Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 59, NWS Houston/Galveston, TX

September 15, 1998Austin County, Colorado County, Wharton County, Texas

NWS Houston/Galveston, TX issued this flash flood warning at Sep 15, 1998, 7:14 PM CDT for Austin County, Colorado County, Wharton County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 15, 1998, 7:14 PM CDT (00:14 UTC)
Expired
Sep 15, 1998, 10:10 PM CDT
In force
3 hr
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

Counties Austin County, TX, Colorado County, TX, Wharton County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.2 hours before the alert went out and 229 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 1998-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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 1998-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 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
7 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
571 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
-6 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.

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 Sep 15, 2:16 PM CDT, 4 hours 58 minutes earlier.

Area forecast discussion, Sep 15, 2:16 PM CDT, 4 hours 58 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 10:03 PM CDTFlash Flood WarningHGXWharton4 hr
Sep 16, 12:35 AM CDTFlash Flood WarningHGXBrazoria2 hr
Sep 16, 1:40 AM CDTFlash Flood WarningHGXFort Bend, Harris2 hr
Sep 16, 9:24 AM CDTFlash Flood WarningHGXJackson3 hr
Sep 16, 12:24 PM CDTFlash Flood WarningHGXJackson3 hr
Sep 16, 3:30 PM CDTFlash Flood WarningHGXJackson3 hr
Sep 16, 3:36 PM CDTTornado WarningHGXBrazoria59 min
Sep 16, 6:06 PM CDTFlash Flood WarningHGXJackson114 min

Nearby

Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998

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.