Alert archive / Texas / Tornado Warnings in 2000
Tornado Warning 21, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at May 20, 2000, 12:25 AM CDT for Chambers County, Liberty County, Texas. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- May 20, 2000, 12:25 AM CDT (05:25 UTC)
- Expired
- May 20, 2000, 1:30 AM CDT
- In force
- 65 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Chambers County, TX, Liberty County, TX
The radar
The Houston radar (KHGX), 58 km from the middle of the area, began a volume at 05:27 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, 5.4 hours before the alert went out and 147 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
- 701 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1188 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.7
The text
As transmitted, in the capitals the NWS used until 2016.
402 WFUS54 KHGX 200526 TORHOU TXC071-291-200630- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1225 AM CDT SAT MAY 20 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * TORNADO WARNING FOR... LIBERTY COUNTY IN SOUTHEAST TEXAS CHAMBERS COUNTY IN SOUTHEAST TEXAS * UNTIL 130 AM CDT * AT 1221 AM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES EAST OF MONT BELVIEU...MOVING NORTHEAST AT 20 MPH. * LOCATIONS IN THE PATH OF THE TORNADO INCLUDE... WALLISVILLE HANKAMER DEVERS THIS IS A DANGEROUS SITUATION QUICK ACTION MAY SAVE YOUR LIFE. MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON YOUR CAR OR MOBILE HOME NOW FOR A STRONG SHELTER. IF SHELTER IS NOT AVAILABLE... MOVE TO A DITCH OR CULVERT AND COVER YOUR HEAD. 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. LAT...LON 2987 9488 2971 9478 2987 9442 3006 9455
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:25 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 35 min |
| May 19, 8:46 PM CDT | Tornado Warning | HGX | Liberty | 59 min |
| May 19, 8:49 PM CDT | Flash Flood Warning | HGX | Harris, Liberty | 116 min |
| May 19, 9:20 PM CDT | Flash Flood Warning | HGX | Waller | 3 hr |
| May 19, 10:35 PM CDT | Flash Flood Warning | HGX | Harris, Liberty, Montgomery | 100 min |
| May 19, 10:45 PM CDT | Tornado Warning | HGX | Brazoria | 45 min |
| May 19, 11:17 PM CDT | Severe Thunderstorm Warning | HGX | Liberty | 43 min |
| May 19, 11:25 PM CDT | Tornado Warning | HGX | Brazoria | 50 min |
| May 19, 11:30 PM CDT | Tornado Warning | HGX | Liberty | 30 min |
| May 19, 11:33 PM CDT | Flash Flood Warning | HGX | Brazoria | 3 hr |
| May 20, 12:00 AM CDT | Flash Flood Warning | HGX | Brazoria, Chambers, Fort Bend, Harris, Liberty, Waller and 1 more | 5 hr |
| May 20, 2:02 AM CDT | Severe Thunderstorm Warning | HGX | Galveston | 28 min |
| May 20, 2:22 AM CDT | Tornado Warning | HGX | Chambers, Galveston | 38 min |
| May 20, 4:59 AM CDT | Flash Flood Warning | HGX | Harris, Liberty | 3 hr |
Nearby
Tornado Warnings in Texas, 2000Every tornado warning in 2000Tornadoes 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.