Alert archive / Texas / Flash Flood Warnings in 1995

Flash Flood Warning 21, NWS Houston/Galveston, TX

May 31, 1995Montgomery County, Texas

NWS Houston/Galveston, TX issued this flash flood warning at May 31, 1995, 9:13 PM CDT for Montgomery County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
May 31, 1995, 9:13 PM CDT (02:13 UTC)
Expired
May 31, 1995, 11:15 PM CDT
In force
2 hr
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Montgomery County, TX

The radar

The Houston radar (KHGX), 101 km from the middle of the area, began a volume at 02:14 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.2 hours before the alert went out and 222 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°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

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KHOU 010215
FFWHOU
TXC339-010415-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON TX
913 PM CDT WED MAY 31 1995
 
THE NATIONAL WEATHER SERVICE IN HOUSTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST TEXAS
 
   ...SOUTHEASTERN MONTGOMERY COUNTY
 
RADAR INDICATES THAT STORMS HAVE PRODUCED OVER 5 INCHES OF RAIN DURING
THE PAST 3 HOURS OVER AREAS WEST OF NEW CANEY SINCE 6 PM. FM 1314 WAS 5
MILES WEST OF PORTER WAS IN THE AREA OF HEAVY RAIN.
 
THE SEVERE THUNDERSTORM PRODUCING THE VERY HEAVY RAIN HAS SHOWN LITTLE
MOVEMENT.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO
RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH
FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD
WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER
BEGINS RISING.

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, 9:26 PM CDTFlash Flood WarningHGXPolk2 hr
May 31, 10:44 PM CDTSevere Thunderstorm WarningHGXLiberty, Montgomery61 min
May 31, 11:37 PM CDTFlash Flood WarningHGXLiberty, Montgomery, San Jacinto3 hr
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; radar from the NEXRAD Level II archive.