Alert archive / Louisiana / Tornado Warnings in 2000

Tornado Warning 35, NWS Shreveport, LA

April 23, 2000Red River Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Apr 23, 2000, 7:16 PM CDT for Red River Parish, Louisiana. It was in force for 59 min. 2 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: Apr 23, 2000, 7:16 PM CDT (00:16 UTC)
Expired: Apr 23, 2000, 8:15 PM CDT
In force: 59 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Red River Parish, LA

The radar

The Shreveport radar (KSHV), 62 km from the middle of the area, began a volume at 00:17 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, 7:28 PM CDT	Tornado F3	Coushatta, LA	A high precipitation supercell produced a tornado as part of a tornado outbreak across the region. Damage consisted of large pine trees snapped and oak trees blown down. Most damage to residences were from fallen trees. A number of outbuildings were damaged
Apr 23, 7:30 PM CDT	Hail 1	Coushatta, 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 nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.3 hours before the alert went out and 58 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 240017
TORSHV
LAC081-240115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
716 PM CDT SUN APR 23 2000

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  RED RIVER PARISH IN LOUISIANA

* UNTIL 815 PM CDT

* AT 716 PM CDT...SPOTTERS REPORTED A TORNADO 5 MILES WEST OF   
COUSHATTA...MOVING EAST AT 20 MPH. THIS STORM HAS A HISTORY OF 
PRODUCING A TORNADO IN MANSFIELD LOUISIANA.

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.

IF YOU ARE IN A MOBILE HOME...ABANDON IT FOR A STURDY BUILDING OR GET
IN A DITCH OR CULVERT. MOBILE HOMES PROVIDE NO PROTECTION IN A
TORNADO.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  RED RIVER PARISH IN LOUISIANA
UNTIL 815 PM CDT.

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, 7:17 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, 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.