Alert archive / Louisiana / Tornado Warnings in 2002

Tornado Warning 92, NWS New Orleans, LA

December 24, 2002Tangipahoa Parish, Washington Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Dec 24, 2002, 12:56 AM CST for Tangipahoa Parish, Washington Parish, Louisiana. It was in force for 49 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: Dec 24, 2002, 12:56 AM CST (06:56 UTC)
Expired: Dec 24, 2002, 1:45 AM CST
In force: 49 min
Issued by: NWS New Orleans, LA
Area: Counties, with a storm outline in the text

Counties Tangipahoa Parish, LA, Washington 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
Dec 23, 6:00 PM CST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 6.9 hours before the alert went out and 81 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: 18 J/kg
Mixed-layer CIN: -144 J/kg
Mixed-layer LCL: 472 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 658 m²/s²
0-3 km storm-relative helicity: 957 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLIX 240656
TORNEW
LAC105-117-240745-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1256 AM CST TUE DEC 24 2002

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  TANGIPAHOA PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITY OF HAMMOND
  WASHINGTON PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITY OF FRANKLINTON

* UNTIL 145 AM CST

* AT 1252 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO ABOUT 4 MILES WEST OF
  HAMMOND...MOVING NORTHEAST AT 55 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   FRANKLINTON AT 125 AM CST

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 3061 9057 3044 9049 3093 8998 3100 9014

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 23, 7:05 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Tangipahoa, Washington	40 min
Dec 23, 7:21 PM CST	Tornado Warning	LIX	Saint Tammany, Washington	24 min
Dec 23, 7:38 PM CST	Tornado Warning	LIX	Washington	37 min
Dec 24, 12:27 AM CST	Special Marine Warning	LIX		63 min
Dec 24, 1:22 AM CST	Severe Thunderstorm Warning	LIX	Pointe Coupee, West Feliciana	53 min
Dec 24, 3:36 AM CST	Special Marine Warning	LIX		54 min
Dec 24, 3:51 AM CST	Severe Thunderstorm Warning	LIX	Assumption	24 min
Dec 24, 5:11 AM CST	Special Marine Warning	LIX		49 min
Dec 24, 5:57 AM CST	Special Marine Warning	LIX		2 hr
Dec 24, 5:57 AM CST	Special Marine Warning	LIX		2 hr

Nearby

Tornado Warnings in Louisiana, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.