Alert archive / Texas / Flash Flood Warnings in 2001
Flash Flood Warning 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Jun 7, 2001, 4:19 AM CDT for Liberty County, Texas. It was in force for 4 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 7, 2001, 4:19 AM CDT (09:19 UTC)
- Expired
- Jun 7, 2001, 8:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Liberty County, TX
The radar
The Houston radar (KHGX), 81 km from the middle of the area, began a volume at 09:19 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, 9.3 hours before the alert went out and 149 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.
- Mixed-layer CAPE
- 1485 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 880 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KHGX 070923
FFWHOU
TXC291-071315-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
419 AM CDT THU JUN 7 2001
THE NATIONAL WEATHER SERVICE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
LIBERTY COUNTY IN SOUTHEAST TEXAS
* UNTIL 815 AM CDT
* AT 414 AM CDT...DOPPLER RADAR INDICATED VERY HEAVY RAINFALL
WITH ESTIMATES OF 4 TO 9 INCHES OVER THE SOUTHEAST PORTION
OF THE COUNTY.
* FLOODING IS EXPECTED IN OR NEAR...
DEVERS...COTTONWOOD...AMES...DAISETTA...DAYTON...LIBERTY
DO NOT CROSS ANY LOCATION WHERE WATER COVERS THE ROAD
USE EXTRA CAUTION AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DEPTH
AND SPEED OF FLASH FLOOD WATERS.
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 3031 9470 3027 9472 3025 9478 3009 9501
3004 9501 2999 9498 2990 9496 2990 9446
3012 9446 3012 9461 3022 9465 3031 9466The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 1:38 AM CDT | Flash Flood Warning | HGX | Chambers, Liberty | 3 hr |
| Jun 7, 3:59 AM CDT | Flash Flood Warning | HGX | Houston | 3 hr |
| Jun 7, 5:14 AM CDT | Flash Flood Warning | HGX | Fort Bend, Harris | 3 hr |
| Jun 7, 7:10 AM CDT | Flash Flood Warning | HGX | Houston, Trinity, Walker | 4 hr |
| Jun 7, 7:38 AM CDT | Flash Flood Warning | HGX | Fort Bend, Harris | 4 hr |
| Jun 7, 8:27 AM CDT | Flash Flood Warning | HGX | Brazoria, Galveston | 3 hr |
| Jun 7, 11:00 AM CDT | Flash Flood Warning | HGX | Houston, Trinity, Walker | 3 hr |
| Jun 7, 12:25 PM CDT | Flash Flood Warning | HGX | Brazoria | 2 hr |
Nearby
Flash Flood Warnings in Texas, 2001Every flash flood warning in 2001
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.