Alert archive / Louisiana / Tornado Warnings in 2003

Tornado Warning 28, NWS Jackson, MS

March 18, 2003Catahoula Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Mar 18, 2003, 5:08 PM CST for Catahoula Parish, Louisiana. It was in force for 62 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, 5:08 PM CST (23:08 UTC)
Expired: Mar 18, 2003, 6:10 PM CST
In force: 62 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Catahoula 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 12:00Z, 11.1 hours before the alert went out and 191 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 585 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 61 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.

185 
WFUS54 KJAN 182308
TORJAN
LAC025-190010-

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 610 PM CST

* AT 508 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A  TORNADO 17 MILES SOUTHWEST OF LARTO LAKE...MOVING NORTHEAST AT 35 
MPH.

* THE TORNADO IS EXPECTED TO...
  BE NEAR LARTO LAKE AT 530 PM CST

THIS TORNADO IS WRAPPED IN RAIN - IF YOU WAIT UNTIL YOU SEE OR HEAR
IT COMING IT MAY BE TOO LATE TO GET TO A SAFE PLACE. TAKE COVER NOW

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

LAT...LON 3128 9198 3149 9198 3173 9170 3164 9175
          3160 9183 3154 9181 3150 9186 3138 9183

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 5:36 PM CST	Tornado Warning	JAN	Concordia	59 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.