Alert archive / Louisiana / Tornado Warnings in 2001

Tornado Warning 20, NWS Jackson, MS

February 24, 2001Richland Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Feb 24, 2001, 7:09 PM CST for Richland Parish, Louisiana. It was in force for 36 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
Feb 24, 2001, 7:09 PM CST (01:09 UTC)
Expired
Feb 24, 2001, 7:45 PM CST
In force
36 min
Issued by
NWS Jackson, MS
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Richland Parish, LA

The watch it was issued in

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

IssuedProductOfficeLasted
Feb 24, 5:45 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 1.2 hours before the alert went out and 184 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 2001-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2039 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2001-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.1939587897Sfc1 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
2039 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
919 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
195 m²/s²
Significant tornado parameter
2.2
Supercell composite
10.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 250109
TORJAN
LAC083-250145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
709 PM CST SAT FEB 24 2001

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  RICHLAND PARISH IN NORTHEAST LOUISIANA

* UNTIL 745 PM CST

* AT 709 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A TORNADO 20 MILES SOUTHWEST OF RAYVILLE...MOVING NORTHEAST AT 50
  MPH.

* THE TORNADO IS EXPECTED TO...
  BE NEAR RAYVILLE AT 720 PM CST

TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU
SEE OR HEAR THE TORNADO - IT MAY BE TOO LATE. TAKE COVER NOW

65

LAT...LON 3218 9190 3234 9176 3242 9161 3259 9145
          3258 9159 3266 9160 3262 9170 3256 9178
          3248 9185 3237 9198 3229 9203 3228 9198
          3224 9200 3218 9196

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 24, 6:01 PM CSTTornado WarningJANRichland29 min
Feb 24, 10:18 PM CSTSevere Thunderstorm WarningJANMorehouse42 min
Feb 24, 10:36 PM CSTSevere Thunderstorm WarningJANRichland, West Carroll24 min
Feb 24, 10:56 PM CSTSevere Thunderstorm WarningJANEast Carroll34 min
Feb 24, 11:12 PM CSTTornado WarningJANEast Carroll33 min
Feb 24, 11:30 PM CSTSevere Thunderstorm WarningJANMadison30 min
Feb 24, 11:39 PM CSTSevere Thunderstorm WarningJANEast Carroll51 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; the sounding from the Mesonet's radiosonde archive.