Alert archive / Louisiana / Tornado Warnings in 2003

Tornado Warning 32, NWS Jackson, MS

March 18, 2003Franklin Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Mar 18, 2003, 6:21 PM CST for Franklin Parish, Louisiana. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 18, 2003, 6:21 PM CST (00:21 UTC)
Expired: Mar 18, 2003, 7:05 PM CST
In force: 44 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Franklin 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
Mar 18, 2:15 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.4 hours before the alert went out and 158 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: 209 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 936 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 166 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

798 
WFUS54 KJAN 190021
TORJAN
LAC041-190105-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
621 PM CST TUE MAR 18 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 705 PM CST

* AT 621 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 7 MILES WEST OF WINNSBORO...MOVING NORTHEAST AT 20 MPH.
  THIS REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY IN EFFECT 
  FOR FRANKLIN PARISH.

* THE TORNADO IS EXPECTED TO...
  BE NEAR WINNSBORO AT 630 PM CST
  BE NEAR BASKIN AT 635 PM CST
  BE NEAR CROWVILLE AT 650 PM CST

A TORNADO MAY FORM AT ANY TIME - TAKE COVER NOW ABANDON MOBILE HOMES
AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT 
AGENCY.  THEY WILL RELAY ANY REPORTS TO THE NATIONAL WEATHER SERVICE 
OFFICE IN JACKSON.

LAT...LON 3204 9180 3216 9189 3226 9176 3232 9176
          3236 9169 3225 9155

$$

10

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 6:00 PM CST	Severe Thunderstorm Warning	JAN	Franklin	60 min
Mar 18, 6:02 PM CST	Severe Thunderstorm Warning	JAN	Franklin	58 min
Mar 18, 6:09 PM CST	Severe Thunderstorm Warning	JAN	Franklin	51 min
Mar 18, 6:14 PM CST	Tornado Warning	JAN	Tensas	61 min
Mar 18, 6:40 PM CST	Severe Thunderstorm Warning	JAN	Concordia	30 min
Mar 18, 6:46 PM CST	Tornado Warning	JAN	Madison	59 min
Mar 18, 7:28 PM CST	Severe Thunderstorm Warning	JAN	Tensas	42 min
Mar 18, 7:55 PM CST	Severe Thunderstorm Warning	JAN	East Carroll	45 min

Nearby

Tornado Warnings in Louisiana, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.