Alert archive / Louisiana / Tornado Warnings in 2002

Tornado Warning 20, NWS New Orleans, LA

August 6, 2002Saint Tammany Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Aug 6, 2002, 5:30 AM CDT for Saint Tammany Parish, Louisiana. It was in force for 30 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 6, 2002, 5:30 AM CDT (10:30 UTC)
Expired: Aug 6, 2002, 6:00 AM CDT
In force: 30 min
Issued by: NWS New Orleans, LA
Area: Counties, with a storm outline in the text

County Saint Tammany Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 10.5 hours before the alert went out and 37 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: 1508 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 813 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

810 
WFUS54 KLIX 061030
TORNEW
LAC103-061100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
529 AM CDT TUE AUG 6 2002

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEAST ST. TAMMANY PARISH IN SOUTHEAST LOUISIANA

* UNTIL 600 AM CDT

* AT 524 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER ST. TAMMANY  
  PARISH...4 MILES SOUTH OF BUSH...OR ABOUT 12 MILES WEST OF 
  PICAYUNE...MOVING NORTHEAST 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 3052 8976 3067 8983 3061 8998 3045 8988
          3050 8977 3067 8983 3061 8998 3047 8985

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 4:29 AM CDT	Flash Flood Warning	LIX	Saint Tammany, Washington	2 hr
Aug 6, 6:30 AM CDT	Flash Flood Warning	LIX	Saint Tammany	2 hr
Aug 6, 6:31 AM CDT	Flash Flood Warning	LIX	Saint Tammany	119 min
Aug 6, 9:36 AM CDT	Flash Flood Warning	LIX	Saint Tammany	114 min
Aug 6, 1:31 PM CDT	Flash Flood Warning	LIX	East Feliciana, Saint Helena	119 min

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.