Alert archive / Louisiana / Tornado Warnings in 2001

Tornado Warning 5, NWS Shreveport, LA

November 23, 2001Jackson Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Nov 23, 2001, 11:34 PM CST for Jackson Parish, Louisiana. It was in force for 56 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
Nov 23, 2001, 11:34 PM CST (05:34 UTC)
Expired
Nov 24, 2001, 12:30 AM CST
In force
56 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Jackson Parish, LA

The radar

The Shreveport radar (KSHV), 122 km from the middle of the area, began a volume at 05:36 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

TimeReportWhereRemark
Nov 23, 11:39 PM CSTTornado F1Chatham, LAOne chicken house, one mobile home, and a carport were damaged. The tornado tube moved across the western end of the chicken house. This tornado moved into Ouachita Parish, LA.
Nov 23, 11:40 PM CSTThunderstorm Wind 52 EChatham, LANumerous trees toppled along Hwy 146.

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, 5.6 hours before the alert went out and 114 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-pSkew-T log-p diagram, Shreveport, LA at 00:00Z on 2001-11-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1386 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2001-11-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1386 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1160 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
50 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.

352 
WFUS54 KSHV 240536
TORSHV
LAC049-240630-
/NEW.KSHV.TO.W.0002.240534-240630/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1134 PM CST FRI NOV 23 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 1230 AM CST

* AT 1134 PM CST...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER   
  RADAR INDICATED A THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO 8   
  MILES SOUTHWEST OF CHATHAM...MOVING NORTHEAST AT 30 MPH.

IN ADDITION TO THE THREAT OF A TORNADO...LARGE HAIL AND DAMAGING WIND
CAN BE EXPECTED. GO TO A SAFE PLACE...NOW

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  JACKSON PARISH IN NORTH CENTRAL LOUISIANA
UNTIL 1230 AM CST.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 23, 11:47 PM CSTTornado WarningSHVOuachita58 min
Nov 24, 12:24 AM CSTTornado WarningSHVGrant51 min
Nov 24, 1:02 AM CSTTornado WarningSHVWinn28 min
Nov 24, 1:20 AM CSTTornado WarningSHVCaldwell40 min

Nearby

Tornado Warnings in Louisiana, 2001Every tornado warning in 2001Tornadoes in 2001

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.