Alert archive / Texas / Flash Flood Warnings in 2000
Flash Flood Warning 40, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Nov 6, 2000, 1:42 AM CST for Madison County, San Jacinto County, Walker County, Texas. It was in force for 2 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
- Nov 6, 2000, 1:42 AM CST (07:42 UTC)
- Expired
- Nov 6, 2000, 3:45 AM CST
- In force
- 2 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
Counties Madison County, TX, San Jacinto County, TX, Walker County, TX
The radar
The Houston radar (KHGX), 151 km from the middle of the area, began a volume at 07:46 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, 7.7 hours before the alert went out and 237 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 060743 FFWHGX TXC313-407-471-060945- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 142 AM CST MON NOV 6 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS EXTENDED THE * FLASH FLOOD WARNING FOR... SAN JACINTO COUNTY IN SOUTHEAST TEXAS WALKER COUNTY IN SOUTHEAST TEXAS MADISON COUNTY IN SOUTHEAST TEXAS * UNTIL 345 AM CST * AT 142 AM CST...DOPPLER RADAR INDICATED MODERATE RAINFALL FALLING ACROSS THE WARNED COUNTIES. STREET FLOODING IS OCCURRING IN ALL 3 COUNTIES AND ADDITIONAL RAINS WILL FURTHER AGGRAVATE THE SITUATION. * FLOODING IS EXPECTED IN OR NEAR... HUNTSVILLE...MADISONVILLE...NEW WAVERLY...SbHEPHERD DO NOT CROSS ANY LOCATION WHERE WATER COVERS THE ROAD! 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, 6 hours 24 minutes earlier.
Area forecast discussion, Nov 5, 7:18 PM CST, 6 hours 24 minutes 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, 11:55 PM CST, 1 hour 47 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, 12:18 AM CST | Flash Flood Warning | HGX | Houston, Montgomery, Polk, San Jacinto, Trinity | 102 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 |
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.