Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 173, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Nov 5, 2000, 11:22 PM CST for Houston County, Trinity County, Texas. It was in force for 53 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Nov 5, 2000, 11:22 PM CST (05:22 UTC)
- Expired
- Nov 6, 2000, 12:15 AM CST
- In force
- 53 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
Counties Houston County, TX, Trinity County, TX
The radar
The Houston radar (KHGX), 193 km from the middle of the area, began a volume at 05:22 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 6, 12:00 AM CST | Thunderstorm Wind | Countywide, TX | Tree down on house 5 miles north of Crockett. Numerous trees down across county. |
| Nov 6, 12:00 AM CST | Thunderstorm Wind | Groveton, TX | Roof damage to homes and barns with trees down. |
| Nov 6, 12:15 AM CST | Thunderstorm Wind | Groveton, TX | Two mobile homes damaged by fallen trees in Hog Heaven with numerous trees and power lines down in area. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 5, 8:00 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 5.4 hours before the alert went out and 202 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
- 43 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 562 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHGX 060523 SVRHOU TXC225-373-407-455-060615- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1122 PM CST SUN NOV 5 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SAN JACINTO COUNTY IN SOUTHEAST TEXAS HOUSTON COUNTY IN SOUTHEAST TEXAS POLK COUNTY IN SOUTHEAST TEXAS TRINITY COUNTY IN SOUTHEAST TEXAS * UNTIL 1215 AM CST * AT 1121 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ALONG A LINE EXTENDING FROM JUST EAST OF MADISONVILLE TO HUNTSVILLE TO 5 MILES WEST OF CONROE MOVING EAST NORTHEAST ATO 35 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORMS INCLUDE... TRINITY SEBASTOPOL GROVETON...ONALASKA...SHEPHERD...LAKE LIVINGSTON DAM THIS LINE OF STORMS HAS A HISTORY OF DAMAGING WINDS. WITH THE WET GROUND FROM PREVIOUS HEAVY RAINFALL EXPECT TREES TO FALL MORE EASILY. STRONG WINDS MAY KNOCK DOWN TREES AND POWER LINES OR DAMAGE BUILDINGS. TAKE COVER NOW IN STRONG BUILDING! PLEASE REPORT SEVERE WEATHER 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 severe thunderstorm 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 severe thunderstorm warning went out at Nov 5, 7:18 PM CST, 4 hours 4 minutes earlier.
Area forecast discussion, Nov 5, 7:18 PM CST, 4 hours 4 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, 7:21 PM CST, 4 hours 1 minute 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.
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 | 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 |
| Nov 6, 1:42 AM CST | Flash Flood Warning | HGX | Madison, San Jacinto, Walker | 2 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.