Alert archive / Louisiana / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 49, NWS Jackson, MS

March 12, 2003Catahoula Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Mar 12, 2003, 5:16 PM CST for Catahoula Parish, Louisiana. It was in force for 29 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, 5:16 PM CST (23:16 UTC)
Expired: Mar 12, 2003, 5:45 PM CST
In force: 29 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Catahoula Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.3 hours before the alert went out and 194 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: 596 J/kg
Mixed-layer CIN: -142 J/kg
Mixed-layer LCL: 456 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 96 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.

000 
WUUS54 KJAN 122316
SVRJAN
LAC025-122345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
516 PM CST WED MAR 12 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CATAHOULA PARISH IN NORTHEAST LOUISIANA

* UNTIL 545 PM CST

* AT 516 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM 8 MILES WEST OF MONTEREY...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL...
  BE NEAR MONTEREY AT 525 PM CST

HAIL TO THE SIZE OF WALUNTS IS LIKELY WITH THIS STORM.

LAT...LON 3135 9186 3144 9196 3157 9183 3145 9181
          3141 9184 3140 9179

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 3:41 PM CST	Severe Thunderstorm Warning	JAN	Catahoula	59 min
Mar 12, 4:31 PM CST	Severe Thunderstorm Warning	JAN	Concordia	59 min
Mar 12, 4:37 PM CST	Severe Thunderstorm Warning	JAN	Catahoula	38 min
Mar 12, 5:49 PM CST	Severe Thunderstorm Warning	JAN	Catahoula	41 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2003 Every severe thunderstorm warning 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.