Alert archive / Texas / Flash Flood Warnings in 2000
Flash Flood Warning 15, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Jun 10, 2000, 8:30 PM CDT for Colorado 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 counties it named.
The facts
- Issued
- Jun 10, 2000, 8:30 PM CDT (01:30 UTC)
- Expired
- Jun 10, 2000, 11:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Colorado County, TX
The radar
The Houston radar (KHGX), 141 km from the middle of the area, began a volume at 01:30 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
Corpus Christi, TX (KCRP), launched 00:00Z, 1.5 hours before the alert went out and 225 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
- 717 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 681 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -47 m²/s²
- 0-3 km storm-relative helicity
- -42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KHGX 110130 FFWHGX TXC089-110400- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 830 PM CDT SAT JUN 10 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * FLASH FLOOD WARNING FOR... COLORADO COUNTY IN SOUTHEAST TEXAS * UNTIL 1100 PM CDT * AT 825 PM CDT...DOPPLER RADAR INDICATED A NORTH-SOUTH ORIENTED BAND OF VERY HEAVY RAINFALL MOVING NORTHEAST AT 10 MPH ACROSS COLORADO COUNTY. EXPECT HOURLY RAINFALL RATES BETWEEN 2 AND 3 INCHES WITH THIS BAND. * FLOODING IS EXPECTED IN OR NEAR... COLUMBUS...ROCK ISLAND...WEIMAR...SHERIDAN DUE TO THE FACT THAT PORTIONS OF THE COUNTY HAVE RECEIVED BETWEEN 5 AND 8 INCHES OF RAIN SINCE THURSDAY...THE ADDITIONAL 3 TO 5 INCHES OF RAINFALL EXPECTED THIS EVENING WILL QUICKLY RUNOFF AND CREATE A FLASH FLOOD THREAT. 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. LEAT...LON 2992 9657 2963 9623 2932 9652 2966 9683
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 Jun 10, 8:25 PM CDT, 5 minutes earlier.
Area forecast discussion, Jun 10, 8:25 PM CDT, 5 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 825 PM CDT SAT JUN 10 2000 CONVECTION STRONGER AND MORE ORGANIZED THAN PREVIOUSLY THOUGHT. WATER VAPOR IMAGERY IS SHOWING WEAK DISTURBANCE MOVING INTO CENTRAL TEXAS WHICH HAS HELPED TRIGGER TONIGHTS CONVECTION. CRP SOUNDING STILL SHOWS PW'S AOA 2.25 INCHES...WHILE THE LCH SOUNDING IS SOMEWHAT QUESTIONABLE WITH PW'S AT 0.57 INCHES. PRIMARY CONCERN TONIGHT IS HOW LONG THIS SYSTEM WILL LINGER...ENTRAINMENT OF CELLS AND FLOODING POTENTIAL. FLASH FLOOD WATCH DROPPED FOR TONIGHT AND AM HESITANT TO REISSUE BUT THINK FLOOD POTENTIAL OVER THE SOUTHWESTERN ZONES IS HIGH. WL BUMP POPS AREAWIDE...ESPECIALLY NW ZONES. THIS FCST PACKAGE IS SUBJECT TO CHANGE. .KHGX...SC EXERCISE CAUTION 43/33 NEW PRELIMS... CLL...BB 074/090 074/091 074 7222 IAH...BB 074/089 074/090 074 3212 GLS...BB 079/087 079/087 079 3222 d
In the hours before
Special weather statement, Jun 10, 3:30 PM CDT, 5 hours before
TXZ176-195>198-210>212-226-227-235>237-110000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 330 PM CDT SAT JUN 10 2000 THE FLASH FLOOD WATCH ISSUED EARLIER TODAY FOR THE WESTERN THIRD OF SOUTHEAST TEXAS HAS BEEN CANCELED. WHILE SCATTERED THUNDERSTORMS ARE STILL POSSIBLE THIS AFTERNOON AND TONIGHT...RAINFALL AMOUNTS GENERALLY LESS THAN ONE INCH ARE EXPECTED WHICH IS NOT ENOUGH TO LEAD TO FLASH FLOODING.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:45 PM CDT | Flash Flood Warning | HGX | Jackson | 105 min |
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; radar from the NEXRAD Level II archive.