Alert archive / Louisiana / Tornado Warnings in 2006

Tornado Warning 13, NWS New Orleans, LA

April 29, 2006Saint Tammany Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Apr 29, 2006, 10:30 PM CDT for Saint Tammany Parish, Louisiana. It was in force for 30 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 29, 2006, 10:30 PM CDT (03:30 UTC)
Expired: Apr 29, 2006, 11:00 PM 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

What was reported inside it

Time	Report	Where	Remark
Apr 29, 10:30 PM CDT	TSTM WND DMG	1 S Abita Springs, LA	WIND DAMAGE IN SUBDIVISON AND NEARBY AREA AROUND HOFFMAN ROAD AND AUTUMN WIND LANE. SEVERAL ALUMINUM VENT PIPES ON HOUSE ROOFS BLOWN OVER...STORAGE SHED BLOWN OVER ALONG WITH SEVERAL WOOD FENCES IN SUBDIVISION. STORM REPORT CORRECTED FROM POSSIBLE TORNADO TO T
Apr 29, 10:30 PM CDT	TORNADO	Abita Springs, LA	ONE HOUSE SUSTAINED SIGNIFICANT DAMAGE NEAR HWY 59 AND AUTUMN WIND LANE CLOSE TO ABITA SPRINGS. NO INJURIES REPORTED ALTHOUGH THE HOMEOWNERS DOG WAS APPARENTLY KILLED.
Apr 29, 10:45 PM CDT	TSTM WND DMG	1 W Sun, LA	SEVERAL TREES WERE BLOWN DOWN.
Apr 29, 10:45 PM CDT	MARINE TSTM WIND 47	Mandeville, LA	WEATHER OBSERVATION GAUGE ON THE NORTH SIDE OF LAKE PONTCHARTRAIN NEAR MANDEVILLE REPORTED A 41 KNOT WIND GUST.
Apr 29, 10:45 PM CDT	MARINE TSTM WIND 47	Mandeville, LA	WEATHER OBSERVATION GAUGE ON THE NORTH SIDE OF LAKE PONTCHARTRAIN NEAR MANDEVILLE REPORTED A 41 KNOT WIND GUST.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 29, 5:43 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 3.5 hours before the alert went out and 43 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: 153 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 699 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 234 m²/s²
0-3 km storm-relative helicity: 397 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLIX 300329
TORLIX
LAC103-300400-
/O.NEW.KLIX.TO.W.0013.060430T0330Z-060430T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1030 PM CDT SAT APR 29 2006

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  ST. TAMMANY PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITIES OF...MANDEVILLE...COVINGTON

* UNTIL 1100 PM CDT

* AT 1028 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  COVINGTON...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  ABITA SPRINGS BY 1035 PM CDT
  BUSH AND 8 MILES SOUTH OF SUN BY 1100 PM CDT

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SUNDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

LAT...LON 3052 9021 3035 9012 3048 8973 3067 8989

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 7:20 PM CDT	Flash Flood Warning	LIX	East Baton Rouge, Iberville, West Baton Rouge	115 min
Apr 29, 7:27 PM CDT	Severe Thunderstorm Warning	LIX	Ascension, East Baton Rouge, Iberville, Livingston, Saint John the Baptist, Tangipahoa	48 min
Apr 29, 7:47 PM CDT	Severe Thunderstorm Warning	LIX	Livingston, Saint Helena, Tangipahoa	58 min
Apr 29, 8:13 PM CDT	Severe Thunderstorm Warning	LIX	Ascension, Livingston, Saint John the Baptist, Saint Tammany, Tangipahoa	62 min
Apr 29, 8:37 PM CDT	Severe Thunderstorm Warning	LIX	Tangipahoa, Washington	53 min
Apr 29, 8:50 PM CDT	Severe Thunderstorm Warning	LIX	Ascension, Assumption, Saint James, Saint John the Baptist	40 min
Apr 29, 9:05 PM CDT	Special Marine Warning	LIX		115 min
Apr 29, 9:15 PM CDT	Severe Thunderstorm Warning	LIX	Livingston, Saint Tammany, Tangipahoa	60 min
Apr 29, 9:28 PM CDT	Severe Thunderstorm Warning	LIX	Washington	47 min
Apr 29, 10:02 PM CDT	Tornado Warning	LIX	Saint Tammany, Tangipahoa	28 min
Apr 29, 10:08 PM CDT	Severe Thunderstorm Warning	LIX	Washington	52 min
Apr 29, 10:41 PM CDT	Special Marine Warning	LIX		94 min
Apr 29, 10:56 PM CDT	Severe Thunderstorm Warning	LIX	Saint Tammany	49 min
Apr 29, 11:50 PM CDT	Flash Flood Warning	LIX	Saint Tammany	70 min
Apr 30, 12:54 AM CDT	Special Marine Warning	LIX		2 hr
Apr 30, 6:04 AM CDT	Tornado Warning	LIX	Saint Bernard	26 min
Apr 30, 6:04 AM CDT	Tornado Warning	LIX	Saint Bernard	26 min
Apr 30, 6:07 AM CDT	Special Marine Warning	LIX		113 min
Apr 30, 8:25 AM CDT	Special Marine Warning	LIX		95 min

Nearby

Tornado Warnings in Louisiana, 2006 Every tornado warning in 2006 Tornadoes in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.