Alert archive / Louisiana / Tornado Warnings in 2000

Tornado Warning 2, NWS Shreveport, LA

March 18, 2000Bossier Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Mar 18, 2000, 4:09 PM CST for Bossier Parish, Louisiana. It was in force for 51 min. 4 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: Mar 18, 2000, 4:09 PM CST (22:09 UTC)
Expired: Mar 18, 2000, 5:00 PM CST
In force: 51 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Bossier Parish, LA

What was reported inside it

Time	Report	Where
Mar 18, 4:15 PM CST	Hail 2.75	Bossier City, LA
Mar 18, 4:25 PM CST	Hail 1	Haughton, LA
Mar 18, 4:30 PM CST	Hail 1	Benton, LA
Mar 18, 4:30 PM CST	Hail 1.75	Bossier City, LA

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
Mar 18, 2:15 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 10.2 hours before the alert went out and 26 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 772 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 256 m²/s²
0-3 km storm-relative helicity: 306 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSHV 182210
TORSHV
LAC015-182300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
409 PM CST SAT MAR 18 2000

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL BOSSIER PARISH IN LOUISIANA

* UNTIL 500 PM CST

* AT 409 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES NORTHWEST OF
  BOSSIER CITY...MOVING EAST AT 25 MPH.

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

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  CENTRAL BOSSIER PARISH IN LOUISIANA
UNTIL 500 PM CST.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 3:23 PM CST	Severe Thunderstorm Warning	SHV	Caddo	37 min
Mar 18, 3:59 PM CST	Severe Thunderstorm Warning	SHV	Caddo	31 min
Mar 18, 4:34 PM CST	Severe Thunderstorm Warning	SHV	De Soto	56 min
Mar 18, 4:44 PM CST	Tornado Warning	SHV	Webster	46 min
Mar 18, 5:03 PM CST	Severe Thunderstorm Warning	SHV	Red River	57 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.