Alert archive / Texas / Tornado Warnings in 2000
Tornado Warning 20, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Apr 23, 2000, 4:55 PM CDT for Cass County, Texas. It was in force for 35 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
- Apr 23, 2000, 4:55 PM CDT (21:55 UTC)
- Expired
- Apr 23, 2000, 5:30 PM CDT
- In force
- 35 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Cass County, TX
The radar
The Shreveport radar (KSHV), 84 km from the middle of the area, began a volume at 21:55 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, 4:56 PM CDT | Tornado F2 | Marietta, TX | Tornado developed in a high precipitation supercell as it moved east across the county. This tornado was one of several that occurred. Tornado tracked eastward along Hwy 77 and crossed through downtown Douglassville at Hwy 8 then continued east into the wood |
| Apr 23, 4:58 PM CDT | Tornado F1 | Linden, TX | This tornado developed in a high precipitation supercell as it moved east across the county. This was one of several tornadoes spawned by this thunderstorm. The tornado tracked eastward across wooded territory and farmland. No homes or structures were in th |
| Apr 23, 4:58 PM CDT | Tornado F3 | Linden, TX | This tornado developed in a high precipitation supercell as it moved eastward across the county. This was one of several tornadoes that occured. The tornado tracked eastward across wooded territory and farmland. Several barns and 2 cross country electrical |
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 |
|---|---|---|---|
| Apr 23, 1:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 9.9 hours before the alert went out and 87 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.
767 WFUS54 KSHV 232154 TORSHV TXC067-232230- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 455 PM CDT SUN APR 23 2000 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * TORNADO WARNING FOR... EASTERN CASS COUNTY IN TEXAS * UNTIL 530 PM CDT * AT 455 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 7 MILES SOUTHWEST OF ATLANTA...MOVING EAST NORTHEAST AT 20 MPH. ANOTHER POSSIBLE TORNADO WAS LOCATED ACROSS THE SOUTHERN PART OF CASS COUNTY 3 MILES SOUTHEAST OF LINDEN. IF YOU ARE IN THE ATLANTA COMMUNITY...TAKE SHELTER IMMEDIATELY. 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... EASTERN CASS 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, 4:33 PM CDT | Tornado Warning | SHV | Harrison | 57 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.