Alert archive / Texas / Flash Flood Warnings in 1995

Flash Flood Warning 23, NWS Houston/Galveston, TX

May 31, 1995Liberty County, Montgomery County, San Jacinto County, Texas

NWS Houston/Galveston, TX issued this flash flood warning at May 31, 1995, 11:37 PM CDT for Liberty County, Montgomery County, San Jacinto County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
May 31, 1995, 11:37 PM CDT (04:37 UTC)
Expired
Jun 1, 1995, 2:45 AM CDT
In force
3 hr
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

Counties Liberty County, TX, Montgomery County, TX, San Jacinto County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 4.6 hours before the alert went out and 190 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 00:00Z on 1995-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2774 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 00:00Z on 1995-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.193958Sfc1 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
2774 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
788 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
86 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 May 31, 8:04 PM CDT, 3 hours 33 minutes earlier.

Area forecast discussion, May 31, 8:04 PM CDT, 3 hours 33 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON TX
804 PM CDT WED MAY 31 1995

LATEST SFC ANALYSES AND ADAP DATA SHOWED MOST UNSTABLE ARMS FM AND
NORTH OF A LINE FM CLL TO IAH TO BPT.  TSTMS AT 00Z WERE BEGINNING TO
FIRE IN AN AREA BETWEEN A THERMAL RDG ALONG THE AFORE MENTIONED LINE
AND THE BEST MOISTURE AXIS INDICATED FM CLL THRU TYR.  AM A BIT
CONCERNED ABOUT THE OUTFLOW BOUNDARY PRODUCED BY STORMS WNW OF CLL
INTERACTING WITH THIS AREA.  TSTMS APPEAR TO BEGIN A FEW MILES N OF
IAH AND XTD NE TO JUST SO OF LFK...WITH SOME BACK BUILDING HINTED AT.
WITH THE DAYTIME HEATING OVR WITH...MESO-SCALE LIFT MAY BE ENUF FOR
STG OR SVR TSTMS AND HVY PCPN.  HOWEVER...INFLOW WNDS ARE LGT UNDER
10 KTS.  THERMODYNAMICALLY...CRP 00Z SOUNDING SHOWING CAPES NR 3050
AND 0-3 KM HELICITY AROUND 130.  ADAP LI/S NR -12 AT 00Z ALSO.  WL
MENTION POSSIBILITY OF HVY RAIN AND WL UP THE POPS TO 50 PERCENT FOR
NRN AND NERN ZONES.
...40...

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:08 PM CDTSevere Thunderstorm WarningHGXLiberty, Montgomery, San Jacinto67 min
May 31, 8:24 PM CDTSevere Thunderstorm WarningHGXPolk66 min
May 31, 9:13 PM CDTFlash Flood WarningHGXMontgomery2 hr
May 31, 9:26 PM CDTFlash Flood WarningHGXPolk2 hr
May 31, 10:44 PM CDTSevere Thunderstorm WarningHGXLiberty, Montgomery61 min
Jun 1, 12:22 AM CDTSevere Thunderstorm WarningHGXHarris, Montgomery, Waller68 min
Jun 1, 12:39 AM CDTSevere Thunderstorm WarningHGXFort Bend, Wharton66 min
Jun 1, 12:53 AM CDTSevere Thunderstorm WarningHGXAustin, Colorado37 min
Jun 1, 1:12 AM CDTSevere Thunderstorm WarningHGXLiberty, San Jacinto63 min
Jun 1, 1:12 AM CDTSevere Thunderstorm WarningHGXWalker63 min
Jun 1, 1:24 AM CDTSevere Thunderstorm WarningHGXHarris66 min
Jun 1, 1:28 AM CDTSevere Thunderstorm WarningHGXBrazoria62 min
Jun 1, 1:46 AM CDTSevere Thunderstorm WarningHGXChambers, Galveston59 min

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.