Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 36, NWS Houston/Galveston, TX

November 4, 20007 counties in Texas

NWS Houston/Galveston, TX issued this flash flood warning at Nov 4, 2000, 2:00 AM CST for 7 counties in Texas. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Nov 4, 2000, 2:00 AM CST (08:00 UTC)
Expired
Nov 4, 2000, 8:00 AM CST
In force
6 hr
Issued by
NWS Houston/Galveston, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Brazos County, TX, Burleson County, TX, Grimes County, TX, Houston County, TX, Madison County, TX, Trinity County, TX, Walker County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 8.0 hours before the alert went out and 255 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 2000-11-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 joules per kilogram.LCLEL10008507005003002001001 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 2000-11-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.19395878Sfc1 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
115 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
858 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
69 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 
WGUS54 KHGX 040805
FFWHGX
TXC041-051-185-225-313-455-471-041400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
200 AM CST SAT NOV 4 2000

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  WALKER COUNTY IN SOUTHEAST TEXAS
  HOUSTON COUNTY IN SOUTHEAST TEXAS
  BURLESON COUNTY IN SOUTHEAST TEXAS
  MADISON COUNTY IN SOUTHEAST TEXAS
  GRIMES COUNTY IN SOUTHEAST TEXAS
  BRAZOS COUNTY IN SOUTHEAST TEXAS
  TRINITY COUNTY IN SOUTHEAST TEXAS

* UNTIL 800 AM CST

* AT 155 AM CST...DOPPLER RADAR CONTINUES TO SHOW A CLUSTER OF STORMS WITH
  MODERATE TO HEAVY RAIN NORTHEAST OF A LINE FROM MADISONVILLE TO LIVINGSTON.
  ADDITIONAL SHOWERS OVER SOUTH CENTRAL TEXAS ARE STREAMING NORTH AT 20 MPH
  AND WILL MOVE OVER THE AREA DURING THE NEXT 6 HOURS. ADDITIONAL RAINFALL
  TOTALS OF 1 TO 3 INCHES ARE EXPECTED THROUGH 8 AM.

* FLOODING IS EXPECTED OVER ALL COUNTIES BUT ESPECIALLY NEAR...
  PLANTERSVILLE AND RURAL AREAS OF EASTERN GRIMES COUNTY
  THE CITY OF TRINITY AND RURAL AREAS IN THE NORTHERN HALF OF TRINITY COUNTY
  LOCATIONS NORTH AND WEST OF HUNTSVILLE IN CENTRAL WALKER COUNTY
  NEAR BEDIAS CREEK ALONG THE MADISON/WALKER COUNTY LINE
  NEAR DAVIDSON CREEK IN SOUTHEAST BURLESON COUNTY

SMALL CREEKS...STREAMS...BAYOUS..AND FARM-TO-MARKET OR OTHER SECONDARY ROADS
MAY FLOOD QUICKLY. USE EXTRA CAUTION AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DEPTH AND SPEED OF FLASH FLOOD WATERS. DO NOT CROSS ANY LOCATION WHERE
WATER COVERS THE ROAD!

PLEASE REPORT FLOODING TO THE COUNTY SHERIFF...LOCAL POLICE...OR
DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3120 9487 3093 9534 3061 9542 3068 9583
          3033 9589 3042 9619 3037 9664 3056 9689
          3115 9577 3153 9565 3157 9516

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 Nov 3, 8:35 PM CST, 5 hours 25 minutes earlier.

Area forecast discussion, Nov 3, 8:35 PM CST, 5 hours 25 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
835 PM CST FRI NOV 3 2000

CURRENT FCST ON TRACK & ONLY PLAN ON TWEAKING WINDS HERE AND THERE
FOR THE UPDATE. MAY DECIDE TO NOTCH POPS UP A TAD ACROSS COASTAL
COUNTIES AT PRESS TIME IF COVERAGE CONTINUES TO EXPAND. PERSISTENT
AREA OF RAINFALL CONTINUES TO TRAIN ACROSS NRN CO'S THIS EVENING.
HEAVIEST RAIN APPEARS TO BE FALLING ALONG THE BOUNDARY EXTENDING
FROM ROUGHLY COLUMBUS TO LIVINGSTON. LATEST IR IMAGES SHOW COOLING
TOPS TO OUR WSW WHICH IS NOT A PARTICULARLY GOOD SIGN. LOOKS LIKE
STEADY RAIN WILL CONTINUE THRU THE NIGHT AND SATURDAY...ESPECIALLY
NRN 2/3...WITH PLENTIFUL PACIFIC MOISTURE BEING SQUEEZED BETWEEN THE
WRN TROF AND THE RIDGE PARKED OVER THE YUCATAN/BAY OF CAMPECHE. SE
FLOW OFF THE GULF ALSO PROVIDING ITS SHARE OF MOISTURE. RAINFALL
RATES NOT AS IMPRESSIVE AS LAST NIGHT...BUT THE PRECIP IS FALLING
ACROSS ALREADY SATURATED GROUNDS. NO RIVER PROBLEMS IN OUR CWA ATTM
BUT WILL CONTINUE TO MONITOR.

.KHGX...FLASH FLOOD WATCH TONIGHT ALONG/NORTH OF A LINE
        FROM COLUMBUS TO CONROE TO LIVINGSTON.
        SCEC COASTAL WATYERS 20-60 NM.

47/34/DO

PRELIMS...
CLL TT 066/077 066/075 064 +87
IAH TT 067/079 066/077 065 655
GLS EE 072/080 072/078 071 433

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 3, 6:18 PM CSTFlash Flood WarningHGXBrazos, Burleson4 hr
Nov 3, 9:54 PM CSTFlash Flood WarningHGXBrazos, Burleson, Grimes, Houston, Madison, Walker4 hr
Nov 3, 11:15 PM CSTFlash Flood WarningHGXTrinity3 hr

Nearby

Flash Flood Warnings in Texas, 2000Every flash flood warning in 2000

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.