Alert archive / Louisiana / Tornado Warnings in 2003

Tornado Warning 27, NWS Jackson, MS

March 12, 2003Concordia Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Mar 12, 2003, 6:22 PM CST for Concordia Parish, Louisiana. It was in force for 43 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 12, 2003, 6:22 PM CST (00:22 UTC)
Expired: Mar 12, 2003, 7:05 PM CST
In force: 43 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Concordia Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.4 hours before the alert went out and 183 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: 204 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 1522 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

139 
WFUS54 KJAN 130022
TORJAN
LAC029-130105-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
622 PM CST WED MAR 12 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 705 PM CST

* AT 622 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 9 MILES WEST OF BLACK HAWK...OR ABOUT 10 MILES NORTHEAST OF
  BORDELONVILLE...MOVING EAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO...
  BE NEAR BLACK HAWK...FERRIDAY...WEST FERRIDAY...CLAYTON AT 635 PM
     CST
  BE NEAR RIDGECREST AT 640 PM CST
  BE NEAR VIDALIA AT 650 PM CST

THIS IS A VERY DANGEROUS STORM. IF YOU ARE NEAR ITS PATH YOU SHOULD
BE READY FOR DESTRUCTIVE HAIL...VIOLENT WINDS AND POSSIBLY A TORNADO.
MOVE TO A SAFE PLACE NOW

LAT...LON 3100 9165 3105 9170 3121 9167 3127 9181
          3140 9178 3161 9181 3173 9168 3175 9138
          3163 9141 3166 9149 3134 9156 3127 9166
          3112 9164 3104 9157

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 6:10 PM CST	Severe Thunderstorm Warning	JAN	Concordia	30 min
Mar 12, 7:40 PM CST	Severe Thunderstorm Warning	JAN	Concordia	45 min
Mar 13, 9:27 AM CST	Severe Thunderstorm Warning	JAN	Catahoula	38 min
Mar 13, 9:35 AM CST	Severe Thunderstorm Warning	JAN	Tensas	40 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.