Alert archive / Louisiana / Tornado Warnings in 2000

Tornado Warning 40, NWS Shreveport, LA

April 23, 2000Jackson Parish, Lincoln Parish, Ouachita Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Apr 23, 2000, 8:22 PM CDT for Jackson Parish, Lincoln Parish, Ouachita Parish, Louisiana. It was in force for 53 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, 8:22 PM CDT (01:22 UTC)
Expired: Apr 23, 2000, 9:15 PM CDT
In force: 53 min
Issued by: NWS Shreveport, LA
Area: Whole counties

Counties Jackson Parish, LA, Lincoln Parish, LA, Ouachita Parish, LA

The radar

The Shreveport radar (KSHV), 130 km from the middle of the area, began a volume at 01:21 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, 8:30 PM CDT	Tornado F1	Chatham, LA	A supercell produced a brief tornado as part of a large tornado outgbreak across North Louisiana. Damage consisted mostly of several large trees uprooted in town. One old wood frame structure was completely destroyed while similar structures adjacent were un

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, 1.4 hours before the alert went out and 121 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: 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

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSHV 240124
TORSHV
LAC049-061-073-240215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
ISSUED BY JACKSON MS
822 PM CDT SUN APR 23 2000

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  LINCOLN PARISH IN NORTH CENTRAL LOUISIANA
  JACKSON PARISH IN NORTH CENTRAL LOUISIANA
  OUACHITA PARISH IN NORTH CENTRAL LOUISIANA

* UNTIL 915 PM CDT

* AT 822 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 12 MILES EAST OF RUSTON...MOVING EAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE...
  NEAR BROWNSVILLE-BAWCOMVILLE...WEST MONROE AT 835 PM CDT
  NEAR MONROE AT 840 PM CDT
  NEAR RICHWOOD AT 845 PM CDT
  NEAR SWARTZ AT 850 PM CDT

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, 8:37 PM CDT	Tornado Warning	SHV	Grant, Winn	53 min
Apr 23, 8:41 PM CDT	Tornado Warning	SHV	Union	19 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, 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; radar from the NEXRAD Level II archive.