Alert archive / Louisiana / Tornado Warnings in 2001

Tornado Warning 142, NWS Jackson, MS

November 26, 2001East Carroll Parish, West Carroll Parish, Louisiana; Chicot County, Arkansas

NWS Jackson, MS issued this tornado warning at Nov 26, 2001, 6:14 PM CST for East Carroll Parish, West Carroll Parish, Louisiana; Chicot County, Arkansas. It was in force for 46 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: Nov 26, 2001, 6:14 PM CST (00:14 UTC)
Expired: Nov 26, 2001, 7:00 PM CST
In force: 46 min
Issued by: NWS Jackson, MS
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Chicot County, AR, East Carroll Parish, LA, West Carroll Parish, LA

The watch it was issued in

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

Issued	Product	Office	Lasted
Nov 26, 3:30 PM CST	Tornado Watch	SPC	5 hr
Nov 26, 6:00 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.2 hours before the alert went out and 133 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: 1466 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 728 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 188 m²/s²
0-3 km storm-relative helicity: 241 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 10.6

Open this sounding in Storm Lab

The text

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

470 
WFUS54 KJAN 270014
TORJAN
ARC017-LAC035-123-270100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
614 PM CST MON NOV 26 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  CHICOT COUNTY IN SOUTHEAST ARKANSAS
  WEST CARROLL PARISH IN NORTHEAST LOUISIANA
  EAST CARROLL PARISH IN NORTHEAST LOUISIANA

* UNTIL 700 PM CST

* AT 614 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER OAK GROVE...OR ABOUT 10 MILES NORTHWEST OF LAKE
  PROVIDENCE...MOVING NORTHEAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO...
  REMAIN OVER RURAL EAST CARROLL PARISH 
REMAIN OVER RURAL WEST CARROLL PARISH 
  REMAIN OVER RURAL CHICOT COUNTY 

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

IF NO UNDERGROUND SHELTER IS AVAILABLE...GO TO AN INTERIOR ROOM ON
THE LOWEST FLOOR. MOBILE HOMES AND VEHICLES ARE NOT SAFE.

LAT...LON 3279 9139 3286 9146 3319 9110 3314 9110
          3314 9115 3311 9118 3307 9113 3294 9121

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 27, 4:06 AM CST	Severe Thunderstorm Warning	JAN	Concordia	39 min
Nov 27, 6:35 AM CST	Flash Flood Warning	JAN	Catahoula, Concordia	2 hr
Nov 27, 8:55 AM CST	Flash Flood Warning	JAN	Catahoula, Concordia	3 hr
Nov 26, 8:41 PM CST	Severe Thunderstorm Warning	JAN	Ashley	64 min
Nov 26, 9:26 PM CST	Severe Thunderstorm Warning	JAN	Chicot	49 min
Nov 26, 9:35 PM CST	Tornado Warning	JAN	Chicot	40 min
Nov 26, 9:43 PM CST	Severe Thunderstorm Warning	JAN	Ashley	62 min
Nov 26, 10:34 PM CST	Severe Thunderstorm Warning	JAN	Chicot	41 min
Nov 26, 11:30 PM CST	Flash Flood Warning	JAN	Ashley	3 hr

Nearby

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