Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 13, NWS Houston/Galveston, TX

June 5, 2000Grimes County, Texas

NWS Houston/Galveston, TX issued this flash flood warning at Jun 5, 2000, 12:55 AM CDT for Grimes 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 5, 2000, 12:55 AM CDT (05:55 UTC)
Expired
Jun 5, 2000, 3:45 AM CDT
In force
3 hr
Issued by
NWS Houston/Galveston, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Grimes County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 5.9 hours before the alert went out and 269 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 2000-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 510 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 2000-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
510 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1274 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KHGX 050557
FFWHGX
TXC185-050845-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1255 AM CDT MON JUN 5 2000

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GRIMES COUNTY IN SOUTHEAST TEXAS

* UNTIL 345 AM CDT

* AT 1253 AM CDT...DOPPLER RADAR INDICATED VERY HEAVY RAINFALL OF 2
  TO 4 INCHES PER HOUR.

* FLOODING IS EXPECTED IN OR NEAR...
  ANDERSON...BEDIAS...CARLOS...IOLA...ROANS PRAIRIE

RADAR ESTIMATES A BAND OF 2 TO 5 INCHES OF RAINFALL HAS ALREADY
OCCURRED FROM 4 MILES NORTH OF NAVASOTA TO ANDERSON TO ROANS
PRAIRIE. THE BAND OF THUNDERSTORMS RESPONSIBLE FOR THE HEAVY RAINS
WILL MOVE SLOWLY SOUTHWARD AROUND 5 MPH. ADDITIONAL 2 TO 5 INCH
RAINS CAN BE EXPECTED IN THE SOUTHERN PORTIONS OF THE COUNTY.

DO NOT CROSS ANY LOCATION WHERE WATER COVERS THE ROAD!

SMALL CREEKS...STREAMS...BAYOUS..AND FARM-TO-MARKET OR OTHER
SECONDARY ROADS MAY FLOOD QUICKLY. AVOID LOCATIONS WHERE WATER COVERS
THE GROUND!

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

LAT...LON 3080 9586 3027 9582 3023 9607 3077 9616

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 11:32 PM CDTFlash Flood WarningHGXPolk, San Jacinto, Trinity, Walker3 hr
Jun 5, 2:29 AM CDTFlash Flood WarningHGXPolk, San Jacinto, Trinity, Walker2 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.