Alert archive / Louisiana / Tornado Warnings in 2000

Tornado Warning 9, NWS Shreveport, LA

March 29, 2000Bossier Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Mar 29, 2000, 6:15 PM CST for Bossier Parish, Louisiana. It was in force for 30 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: Mar 29, 2000, 6:15 PM CST (00:15 UTC)
Expired: Mar 29, 2000, 6:45 PM CST
In force: 30 min
Issued by: NWS Shreveport, LA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Bossier Parish, LA

The radar

The Shreveport radar (KSHV), 35 km from the middle of the area, began a volume at 00:18 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 29, 1:30 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.3 hours before the alert went out and 28 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1962 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 709 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 251 m²/s²
0-3 km storm-relative helicity: 317 m²/s²
Significant tornado parameter: 3.6
Supercell composite: 17.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KSHV 300017
TORSHV
LAC015-300045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
615 PM CST WED MAR 29 2000

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  BOSSIER PARISH IN LOUISIANA

* UNTIL 645 PM CST

* AT 615 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A TORNADO OVER CENTRAL BOSSIER PARISH...ABOUT 4 MILES NORTHEAST OF
  BENTON...MOVING SOUTHEAST AT 25 MPH.

* THIS TORNADO WILL BE NEAR...
  BELLVUE AT 630 PM. 

TORNADOES ASSOCIATED WITH THIS TYPE OF THUNDERSTORM USUALLY OCCUR ON
THE EAST TO SOUTH PART OF THE STORM.

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...
  BOSSIER PARISH IN LOUISIANA
UNTIL 645 PM CS*T.

LAT...LON 3275 9379 3263 9363 3254 9346 3289 9349

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 29, 6:21 PM CST	Severe Thunderstorm Warning	SHV	Caddo	54 min
Mar 29, 6:55 PM CST	Severe Thunderstorm Warning	SHV	Webster	50 min
Mar 29, 7:00 PM CST	Severe Thunderstorm Warning	SHV	Bossier	30 min
Mar 29, 7:29 PM CST	Severe Thunderstorm Warning	SHV	Bienville	46 min
Mar 29, 8:28 PM CST	Severe Thunderstorm Warning	SHV	Jackson, Winn	47 min
Mar 29, 9:10 PM CST	Severe Thunderstorm Warning	SHV	Winn	50 min
Mar 29, 10:32 PM CST	Severe Thunderstorm Warning	SHV	LaSalle	43 min

Nearby

Tornado Warnings in Louisiana, 2000 Every tornado warning in 2000 Tornadoes 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.