Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 39, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 10, 2000, 5:57 PM CST for Cass County, Texas. It was in force for 48 min. 1 report came from 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, with what was reported inside it.
The facts
- Issued
- Mar 10, 2000, 5:57 PM CST (23:57 UTC)
- Expired
- Mar 10, 2000, 6:45 PM CST
- In force
- 48 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Cass County, TX
The radar
The Shreveport radar (KSHV), 93 km from the middle of the area, began a volume at 23:57 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 |
|---|---|---|---|
| Mar 10, 6:15 PM CST | Hail 1 | Douglassville, 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, 12.0 hours before the alert went out and 96 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
- 694 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 818 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KSHV 102359 SVRSHV TXC067-110045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 557 PM CST FRI MAR 10 2000 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN CASS COUNTY IN TEXAS * UNTIL 645 PM CST * AT 557 PM CST...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 21 MILES WEST OF ATLANTA... MOVING EAST AT 45 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ATLANTA AT 615 PM CST THIS THUNDERSTORM WILL PRODUCE LARGE HAIL UP TO 1 INCH IN DIAMETER. DO NOT REMAIN OUTSIDE...HEAD FOR A STRONG BUILDING. REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING FOR... NORTHERN CASS COUNTY IN TEXAS UNTIL 645 PM CST. LAT...LON 3325 9457 3304 9454 3304 9406 3326 9407
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 7:56 AM CST | Severe Thunderstorm Warning | SHV | Red River | 64 min |
| Mar 10, 11:45 AM CST | Severe Thunderstorm Warning | SHV | Harrison | 30 min |
| Mar 10, 2:57 PM CST | Severe Thunderstorm Warning | SHV | Camp, Upshur | 48 min |
| Mar 10, 3:49 PM CST | Severe Thunderstorm Warning | SHV | Camp, Titus | 26 min |
| Mar 10, 4:25 PM CST | Severe Thunderstorm Warning | SHV | Wood | 50 min |
| Mar 10, 4:30 PM CST | Severe Thunderstorm Warning | SHV | Angelina | 60 min |
| Mar 10, 5:52 PM CST | Severe Thunderstorm Warning | SHV | Upshur | 38 min |
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.