Alert archive / Louisiana / Tornado Warnings in 2005
Tornado Warning 48, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Apr 11, 2005, 7:51 PM CDT for 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
- Apr 11, 2005, 7:51 PM CDT (00:51 UTC)
- Expired
- Apr 11, 2005, 8:15 PM CDT
- In force
- 24 min
- Issued by
- NWS New Orleans, LA
- Area
- Counties, with a storm outline in the text
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 11, 2:05 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 11, 6:35 PM CDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 0.9 hours before the alert went out and 53 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.
- Mixed-layer CAPE
- 619 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 502 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 292 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 10.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KLIX 120051 TORLIX LAC103-117-120115- /O.NEW.KLIX.TO.W.0048.050412T0051Z-050412T0115Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 751 PM CDT MON APR 11 2005 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A * TORNADO WARNING FOR... ST. TAMMANY PARISH IN SOUTHEAST LOUISIANA WASHINGTON PARISH IN SOUTHEAST LOUISIANA * UNTIL 815 PM CDT * AT 749 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR FOLSOM...OR ABOUT 8 MILES NORTH OF COVINGTON...MOVING EAST AT 40 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... SUN BY 805 PM CDT BUSH BY 810 PM CDT IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. STAY AWAY FROM WINDOWS. LAT...LON 3067 9022 3049 9019 3053 8981 3073 8985 $$
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 7:04 PM CDT | Special Marine Warning | LIX | 116 min | |
| Apr 11, 7:41 PM CDT | Severe Thunderstorm Warning | LIX | Saint Bernard | 49 min |
| Apr 11, 7:44 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa, Washington | 46 min |
| Apr 11, 7:46 PM CDT | Special Marine Warning | LIX | 119 min | |
| Apr 11, 8:17 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 43 min |
| Apr 11, 8:37 PM CDT | Special Marine Warning | LIX | 53 min | |
| Apr 11, 8:59 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 46 min |
| Apr 11, 9:08 PM CDT | Special Marine Warning | LIX | 97 min | |
| Apr 11, 9:46 PM CDT | Special Marine Warning | LIX | 59 min | |
| Apr 11, 11:18 PM CDT | Special Marine Warning | LIX | 57 min | |
| Apr 12, 12:30 AM CDT | Special Marine Warning | LIX | 90 min | |
| Apr 12, 2:00 AM CDT | Special Marine Warning | LIX | 2 hr | |
| Apr 12, 4:00 AM CDT | Special Marine Warning | LIX | 2 hr | |
| Apr 12, 6:30 AM CDT | Special Marine Warning | LIX | 60 min |
Nearby
Tornado Warnings in Louisiana, 2005Every tornado warning in 2005Tornadoes in 2005
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.