Alert archive / Texas / Flash Flood Warnings in 1997
Flash Flood Warning 53, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Jun 6, 1997, 8:54 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 6, 1997, 8:54 PM CDT (01:54 UTC)
- Expired
- Jun 6, 1997, 11:50 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 01:57 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, 1.9 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
- 2334 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 818 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHOU 070153 FFWHOU TXC089-070450- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 854 PM CDT FRI JUN 6 1997 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1150 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST TEXAS ...COLORADO COUNTY AT 845 PM...STRONG THUNDERSTORMS WITH HEAVY RAINS CONTINUES FROM EAGLE LAKE TO LA GRANGE. RAINFALL RATES AS HIGH AS 3 INCHES AN HOUR WAS INDICATED BY RADAR FROM THESE STORMS. TOTAL RAINFALL AMOUNTS TO 5 INCHES WAS ALSO NEAR EAGLE LAKE TO COLUMBUS SINCE 4 PM. ADDTIONAL HEAVY RAINFALL IS EXPECTED AS STRONG STORMS FROM LAVACA COUNTY MOVE INTO COLORADO COUNTY MERGING WITH PRESENT STORMS. DPS OFFICER IN COLUMBUS REPORTED WATER LEVELS RISING TO SLAB LEVELS AT SOME HOUSES IN COLUMBUS. ROADWAYS ARE BECOMING IMPASSABLE IN PARTS OF THE COUNTY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
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 6, 8:01 PM CDT, 53 minutes earlier.
Area forecast discussion, Jun 6, 8:01 PM CDT, 53 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 745 PM CDT FRI JUN 6 1997 CONVECTION FAIRLY ACTIVE MNLY W OF A WHARTON...RICHMOND...CLL LINE W/STRONGEST ACTIVITY BETWN BRENHAM AND COLUMBUS. VIL LVLS HAVE BEEN GRAD DROPPING TO THE MID/UPPER 20S. BOTH LCH/CRP SOUNDING SHOWS PWS NR 2 INCHES. MESO-ETA SHOWS WEAK IMPULSE MOVG ACRS LA TONITE WHILE OUR RGN BASICALLY UNDER UPPER LVL SHEAR ZONE. AM NOT SURE HOW LONG CONVECTION WL LAST OVR WRN ZONES...BUT EXPECT WEAKENING THE NEXT FEW HOURS. ZNS (1ST PD) SHOULD BE TAILORED TO REFLECT CONVECTION CURRENTLY WRN PART OF FA (ZNS 195>198-210>212). RECOMMEND 70 PERCENT POPS (MNLY BEFORE MIDNIGHT) FOR AFOREMENTIONED ZNS. NO OTHER CHANGES FOR NOW. #37
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 11:42 PM CDT | Flash Flood Warning | HGX | Colorado | 3 hr |
| Jun 7, 3:12 PM CDT | Flash Flood Warning | HGX | Austin, Washington | 3 hr |
| Jun 7, 6:38 PM CDT | Tornado Warning | HGX | Colorado | 37 min |
Nearby
Flash Flood Warnings in Texas, 1997Every flash flood warning in 1997
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.