Alert archive / Mississippi / Tornado Warnings in 2003

Tornado Warning 43, NWS New Orleans, LA

August 12, 2003Hancock County, Mississippi

NWS New Orleans, LA issued this tornado warning at Aug 12, 2003, 12:24 PM CDT for Hancock County, Mississippi. It was in force for 21 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: Aug 12, 2003, 12:24 PM CDT (17:24 UTC)
Expired: Aug 12, 2003, 12:45 PM CDT
In force: 21 min
Issued by: NWS New Orleans, LA
Area: Counties, with a storm outline in the text

County Hancock County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.4 hours before the alert went out and 27 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: 2040 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 772 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLIX 121724
TORNEW
MSC045-121745-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1225 PM CDT TUE AUG 12 2003

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  HANCOCK COUNTY IN SOUTHERN MISSISSIPPI
  THIS INCLUDES THE CITIES OF...WAVELAND...DIAMONDHEAD...BAY ST.
  LOUIS

* UNTIL 1245 PM CDT

* AT 1217 PM CDT...THE PUBLIC REPORTED A TORNADO OVER BAY ST.
  LOUIS...OR ABOUT 3 MILES EAST OF BAY ST. LOUIS...MOVING NORTHWEST
  AT 15 MPH.

SEEK SHELTER ON THE LOWEST FLOOR OF A BUILDING IN AN INTERIOR HALLWAY
OR ROOM SUCH AS A CLOSET OR BATHROOM.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.

LAT...LON 3041 8969 3047 8969 3053 8954 3061 8954
          3053 8944 3047 8933 3036 8933 3032 8928
          3027 8934 3028 8959

$$

Nearby

Tornado Warnings in Mississippi, 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.