Alert archive / Louisiana / Tornado Warnings in 2000
Tornado Warning 42, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Apr 23, 2000, 8:41 PM CDT for Union Parish, Louisiana. It was in force for 19 min. 1 report 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, 8:41 PM CDT (01:41 UTC)
- Expired
- Apr 23, 2000, 9:00 PM CDT
- In force
- 19 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Union Parish, LA
The radar
The Shreveport radar (KSHV), 144 km from the middle of the area, began a volume at 01:44 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, 8:45 PM CDT | Thunderstorm Wind 55 E | Rocky Branch, LA | Large oak trees toppled including one across a house resulting in minor damage. |
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, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 23, 8:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 1.7 hours before the alert went out and 135 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
- 1042 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 1141 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 368 m²/s²
- 0-3 km storm-relative helicity
- 558 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 11.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KSHV 240142 TORSHV LAC111-240200- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA ISSUED BY JACKSON MS 841 PM CDT SUN APR 23 2000 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN UNION PARISH IN NORTH CENTRAL LOUISIANA * UNTIL 900 PM CDT * AT 841 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO OVER EXTREME SOUTH CENTRAL UNION PARISH...OR ABOUT 8 MILES NORTHWEST OF CLAIBORNE...MOVING EAST AT 30 MPH. THIS TORNADO WILL MAINLY AFFECT SMALLER COMMUNITIES AND RURAL AREAS. TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU SEE OR HEAR THE TORNADO - IT MAY BE TOO LATE. TAKE COVER NOW! 62
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 7:00 PM CDT | Severe Thunderstorm Warning | SHV | Red River | 45 min |
| Apr 23, 7:06 PM CDT | Severe Thunderstorm Warning | SHV | Caddo | 39 min |
| Apr 23, 7:10 PM CDT | Tornado Warning | SHV | Caddo | 60 min |
| Apr 23, 7:16 PM CDT | Tornado Warning | SHV | Red River | 59 min |
| Apr 23, 7:17 PM CDT | Tornado Warning | SHV | Lincoln | 58 min |
| Apr 23, 7:21 PM CDT | Tornado Warning | SHV | Bossier | 54 min |
| Apr 23, 7:25 PM CDT | Tornado Warning | SHV | Bienville | 65 min |
| Apr 23, 7:51 PM CDT | Tornado Warning | SHV | Natchitoches | 54 min |
| Apr 23, 7:56 PM CDT | Severe Thunderstorm Warning | SHV | De Soto | 64 min |
| Apr 23, 8:22 PM CDT | Tornado Warning | SHV | Jackson, Lincoln, Ouachita | 53 min |
| Apr 23, 8:37 PM CDT | Tornado Warning | SHV | Grant, Winn | 53 min |
| Apr 23, 9:00 PM CDT | Tornado Warning | SHV | Union | 15 min |
| Apr 23, 9:12 PM CDT | Severe Thunderstorm Warning | SHV | LaSalle | 48 min |
| Apr 23, 9:18 PM CDT | Severe Thunderstorm Warning | SHV | Ouachita | 42 min |
| Apr 23, 9:20 PM CDT | Severe Thunderstorm Warning | SHV | Sabine | 40 min |
| Apr 23, 9:24 PM CDT | Severe Thunderstorm Warning | SHV | Natchitoches, Winn | 36 min |
| Apr 23, 9:30 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell | 30 min |
Nearby
Tornado Warnings in Louisiana, 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.