Alert archive / Louisiana / Tornado Warnings in 2003

Tornado Warning 33, NWS Jackson, MS

March 18, 2003Madison Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Mar 18, 2003, 6:46 PM CST for Madison Parish, Louisiana. It was in force for 59 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, 6:46 PM CST (00:46 UTC)
Expired: Mar 18, 2003, 7:45 PM CST
In force: 59 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Madison 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, 0.8 hours before the alert went out and 126 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.

000 
WFUS54 KJAN 190046
TORJAN
LAC065-190145-

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 745 PM CST

* AT 645 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER FRANKLIN PARISH...OR ABOUT 13 MILES NORTHEAST OF
  WINNSBORO...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO...
  REMAIN OVER RURAL MADISON PARISH 

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

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

LAT...LON 3222 9153 3238 9145 3248 9147 3252 9140
          3238 9123 3232 9130

$$

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, 6:21 PM CST	Tornado Warning	JAN	Franklin	44 min
Mar 18, 6:40 PM CST	Severe Thunderstorm Warning	JAN	Concordia	30 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.