Alert archive / Louisiana / Tornado Warnings in 2002

Tornado Warning 89, NWS New Orleans, LA

December 23, 2002Pearl River County, Mississippi; Saint Tammany Parish, Washington Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Dec 23, 2002, 7:21 PM CST for Pearl River County, Mississippi; Saint Tammany Parish, Washington Parish, Louisiana. It was in force for 24 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 23, 2002, 7:21 PM CST (01:21 UTC)
Expired: Dec 23, 2002, 7:45 PM CST
In force: 24 min
Issued by: NWS New Orleans, LA
Area: Counties, with a storm outline in the text

Counties Saint Tammany Parish, LA, Washington Parish, LA, Pearl River County, MS

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, 1.4 hours before the alert went out and 64 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.

969 
WFUS54 KLIX 240121
TORNEW
LAC103-117-MSC109-240145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
721 PM CST MON DEC 23 2002

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  ST. TAMMANY PARISH IN SOUTHEAST LOUISIANA
  WASHINGTON PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITY OF BOGALUSA
  PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI

* UNTIL 745 PM CST

* AT 717 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER ENON...OR ABOUT 11
  MILES SOUTH OF FRANKLINTON...MOVING NORTHEAST AT 40 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 3075 9022 3059 9012 3079 8957 3099 8969

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 23, 7:38 PM CST	Tornado Warning	LIX	Pearl River	37 min
Dec 23, 8:14 PM CST	Tornado Warning	LIX	Pearl River	16 min
Dec 24, 1:22 AM CST	Severe Thunderstorm Warning	LIX	Wilkinson	53 min
Dec 24, 6:18 AM CST	Tornado Warning	LIX	Hancock, Harrison	27 min
Dec 23, 7:05 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Tangipahoa, Washington	40 min
Dec 24, 12:27 AM CST	Special Marine Warning	LIX		63 min
Dec 24, 12:56 AM CST	Tornado Warning	LIX	Tangipahoa, Washington	49 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 Tornado Warnings in Mississippi, 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.