Alert archive / Texas / Tornado Warnings in 2000
Tornado Warning 19, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Apr 23, 2000, 4:33 PM CDT for Harrison County, Texas. It was in force for 57 min. 9 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
- Apr 23, 2000, 4:33 PM CDT (21:33 UTC)
- Expired
- Apr 23, 2000, 5:30 PM CDT
- In force
- 57 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Harrison County, TX
The radar
The Shreveport radar (KSHV), 51 km from the middle of the area, began a volume at 21:32 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 |
|---|---|---|---|
| Apr 23, 4:34 PM CDT | Tornado F1 | Hallsville, TX | Tornado occurred in all wooded and farmland area void of structures. Numerous pine and oak trees snapped and broken. |
| Apr 23, 4:35 PM CDT | Hail 1 | Harleton, TX | |
| Apr 23, 4:39 PM CDT | Tornado F2 | Hallsville, TX | A tornado developed in a high precipitation supercell as it moved eastward across the county. This supercell produced multiple tornadoes across Harrison county, TX into Louisiana. Approximately 50 homes and 2 business were damaged or destroyed. 17 homes wer |
| Apr 23, 4:47 PM CDT | Hail 1.5 | Harleton, TX | |
| Apr 23, 5:02 PM CDT | Tornado F2 | Marshall, TX | A tornado developed in a cyclic high precipitation supercell as it moved eastward across the county. Damage was confined to numerous pine and oak trees which were uprooted and broken. No structures were in the path of this tornado. |
| Apr 23, 5:07 PM CDT | Hail 1.75 | Marshall, TX | |
| Apr 23, 5:12 PM CDT | Hail 1 | Marshall, TX | |
| Apr 23, 5:30 PM CDT | Tornado F1 | Scottsville, TX | Wooded region with no homes or structures in the path of this tornado. Numerous pine and oak trees snapped and broken. This tornado is one of several tornadoes spawned from a high precipitation supercell that moved across Harrison county, TX into Louisiana. |
| Apr 23, 5:30 PM CDT | Hail 4.5 | Waskom, TX |
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 nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 9.6 hours before the alert went out and 59 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 271 m²/s²
- 0-3 km storm-relative helicity
- 416 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
491 WFUS54 KSHV 232135 TORSHV TXC203-232230- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 433 PM CDT SUN APR 23 2000 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * TORNADO WARNING FOR... HARRISON COUNTY IN TEXAS * UNTIL 530 PM CDT * AT 433 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLE TORNADO OVER EASTERN GREGG COUNTY...OR ABOUT 4 MILES NORTHEAST OF LONGVIEW...MOVING EAST AT 20 MPH. * THIS TORNADO WILL BE NEAR...HALLSVILLE BY 450 PM. DURING A TORNADO...SEEK SHELTER IN AN INTERIOR HALLWAY OR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING FOR... HARRISON COUNTY IN TEXAS UNTIL 530 PM CDT.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 8:38 AM CDT | Severe Thunderstorm Warning | SHV | San Augustine | 37 min |
| Apr 23, 8:55 AM CDT | Severe Thunderstorm Warning | SHV | Sabine, Shelby | 50 min |
| Apr 23, 3:18 PM CDT | Severe Thunderstorm Warning | SHV | Titus | 57 min |
| Apr 23, 3:31 PM CDT | Tornado Warning | SHV | Titus | 59 min |
| Apr 23, 3:48 PM CDT | Severe Thunderstorm Warning | SHV | Camp | 27 min |
| Apr 23, 3:50 PM CDT | Tornado Warning | SHV | Morris | 40 min |
| Apr 23, 4:00 PM CDT | Severe Thunderstorm Warning | SHV | Upshur | 60 min |
| Apr 23, 4:05 PM CDT | Tornado Warning | SHV | Cass | 55 min |
| Apr 23, 4:16 PM CDT | Severe Thunderstorm Warning | SHV | Gregg | 44 min |
| Apr 23, 4:20 PM CDT | Tornado Warning | SHV | Gregg | 40 min |
| Apr 23, 4:55 PM CDT | Tornado Warning | SHV | Cass | 35 min |
| Apr 23, 5:17 PM CDT | Tornado Warning | SHV | Panola | 58 min |
| Apr 23, 5:26 PM CDT | Tornado Warning | SHV | Harrison | 19 min |
| Apr 23, 6:21 PM CDT | Severe Thunderstorm Warning | SHV | Marion | 24 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.