Alert archive / Texas / Flash Flood Warnings in 2000
Flash Flood Warning 38, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Nov 6, 2000, 12:18 AM CST for 5 counties in Texas. It was in force for 102 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 6, 2000, 12:18 AM CST (06:18 UTC)
- Expired
- Nov 6, 2000, 2:00 AM CST
- In force
- 102 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
Counties Houston County, TX, Montgomery County, TX, Polk County, TX, San Jacinto County, TX, Trinity County, TX
The radar
The Houston radar (KHGX), 150 km from the middle of the area, began a volume at 06:21 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, 6.3 hours before the alert went out and 208 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
- 239 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 814 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KHGX 060620 FFWHGX TXC225-339-373-407-455-060800- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1218 AM CST MON NOV 6 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * FLASH FLOOD WARNING FOR... SAN JACINTO COUNTY IN SOUTHEAST TEXAS HOUSTON COUNTY IN SOUTHEAST TEXAS POLK COUNTY IN SOUTHEAST TEXAS MONTGOMERY COUNTY IN SOUTHEAST TEXAS TRINITY COUNTY IN SOUTHEAST TEXAS * UNTIL 200 AM CST * MODERATE TO OCCASIONAL HEAVY RAINS WILL CONTINUE ACROSS THE WARNED COUNTIES FOR THE NEXT COUPLE HOURS. BECAUSE THE GROUND IS SATURATED FROM THE RAINS OF THE PAST FEW DAYS...ADDITIONAL RAINFALL WILL QUICKLY RUNOFF AND CAUSE FLOODING OF LOW LYING AREAS AND STREETS. DO NOT DRIVE ACROSS WATER COVERED ROADS!! PLEASE REPORT FLOODING TO THE COUNTY SHERIFF...LOCAL POLICE...OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL" WEATHER SERVICE.
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 5, 7:18 PM CST, 5 hours earlier.
Area forecast discussion, Nov 5, 7:18 PM CST, 5 hours before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 718 PM CST SUN NOV 5 2000 CURRENT FCST ON TRACK AND NO UPDATE WILL BE ISSUED THIS EVENING. SQUALL LINE WILL APPROACH NW ZONES 8:30ISH AND CONTINUE WESTWARD. 100+ KNOT JET APPROACHING LAREDO AREA ATTM & LOOKS LIKE SE TX WILL BE ON THE LFQ AS IT CONTINUES ON A NE TRACK. MAIN THREAT APPEARS THE BE STRAIGHT LINE WINDS/BOW ECHOS. SHEAR ALSO BECOMES BETTER OVER OUR CWA SO ISOLATED TORNADOS NOT OUT OF THE QUESTION EITHER. FF THREAT CONTINUES ESPECIALLY ACROSS NRN HALF WITH ALREADY SATURATED GROUNDS. ANTICIPATE NEW WATCH TO BE ISSUED WITHIN THE NEXT HOUR FOR OUR CWA. MAY NEED A SCA WITH INCREASING SRLY FLOW BUT WILL MAKE THAT CALL AT PRESS TIME. .KHGX...FFA TONIGHT NORTH OF LINE FROM WHARTON TO LIBERTY. 47/36 PRELIMS... CLL BB 064/076 056/072 059 +30 IAH WB 066/078 057/077 063 +40 GLS WB 070/077 068/078 069 +50
In the hours before
Special weather statement, Nov 5, 7:21 PM CST, 4 hours 57 minutes before
GMZ330-335-350-355-370-TXZ163-164-176>179-195>200-210>214-226-227- 235>238-060800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 721 PM CST SUN NOV 5 2000 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR ALL OF SOUTHEAST TEXAS VALID FROM 8 PM SUNDAY UNTIL 2 AM MONDAY. COUNTIES THE WATCH AREA INCLUDE: AUSTIN...BRAZORIA...BRAZOS...BURLESON...CHAMBERS...COLORADO...FORT BEND....GALVESTON...GRIMES...HARRIS...HOUSTON...JACKSON...LIBERTY... MADISON...MATAGORDA...MONTGOMERY...POLK...SAN JACINTO...TRINITY... WALKER...WALLER...WASHINGTON...WHARTON...AND THE ADJACENT COASTAL WATERS. LEON...MILAM AND ROBERTSON COUNTIES IN CENTRAL TEXAS ARE ALSO INCLUDED IN THE WATCH AREA. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIO NS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STAY TUNED TO NOAA WEATHER RADIO OR OTHER NEWS SOURCES FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Nov 5, 11:55 PM CST, 23 minutes before
GMZ335-355-TXZ200-214-238-061100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1155 PM CST SUN NOV 5 2000 THE NATIONAL WEATHER SERVICE HAS EXTENDED THE TORNADO WATCH FOR CHAMBERS...GALVESTON AND LIBERTY COUNTY UNTIL 5 AM MONDAY. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR mTHREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STAY TUNED TO NOAA WEATHER RADIO OR OTHER NEWS SOURCES FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 5, 9:45 PM CST | Severe Thunderstorm Warning | HGX | Austin, Colorado, Washington, Wharton | 60 min |
| Nov 5, 9:45 PM CST | Severe Thunderstorm Warning | HGX | Brazos, Burleson | 60 min |
| Nov 5, 10:26 PM CST | Severe Thunderstorm Warning | HGX | Fort Bend, Waller, Wharton | 64 min |
| Nov 5, 10:26 PM CST | Severe Thunderstorm Warning | HGX | Grimes, Madison | 64 min |
| Nov 5, 10:44 PM CST | Severe Thunderstorm Warning | HGX | Harris, Montgomery | 46 min |
| Nov 5, 10:44 PM CST | Severe Thunderstorm Warning | HGX | Walker | 46 min |
| Nov 5, 10:55 PM CST | Tornado Warning | HGX | Grimes, Montgomery, Walker | 50 min |
| Nov 5, 11:04 PM CST | Flash Flood Warning | HGX | Brazos, Grimes, Madison, Walker | 3 hr |
| Nov 5, 11:22 PM CST | Severe Thunderstorm Warning | HGX | Houston, Trinity | 53 min |
| Nov 5, 11:22 PM CST | Severe Thunderstorm Warning | HGX | Polk, San Jacinto | 53 min |
| Nov 5, 11:30 PM CST | Tornado Warning | HGX | Montgomery, San Jacinto | 60 min |
| Nov 5, 11:30 PM CST | Tornado Warning | HGX | Walker | 45 min |
| Nov 5, 11:40 PM CST | Severe Thunderstorm Warning | HGX | Brazoria, Chambers, Galveston, Harris | 65 min |
| Nov 5, 11:40 PM CST | Severe Thunderstorm Warning | HGX | Liberty | 65 min |
| Nov 5, 11:40 PM CST | Severe Thunderstorm Warning | HGX | Fort Bend | 65 min |
| Nov 6, 12:09 AM CST | Severe Thunderstorm Warning | HGX | Jackson, Matagorda, Wharton | 51 min |
| Nov 6, 12:30 AM CST | Severe Thunderstorm Warning | HGX | Polk | 45 min |
| Nov 6, 12:48 AM CST | Flash Flood Warning | HGX | Austin, Burleson, Colorado, Washington | 3 hr |
| Nov 6, 1:42 AM CST | Flash Flood Warning | HGX | Madison, San Jacinto, Walker | 2 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; radar from the NEXRAD Level II archive.