Alert archive / Louisiana / Tornado Warnings in 2012
Tornado Warning 80, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Sep 30, 2012, 5:37 PM CDT for Orleans Parish, Saint Tammany Parish, Louisiana; Hancock County, Harrison County, Mississippi. It was in force for 38 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
- Sep 30, 2012, 5:37 PM CDT (22:37 UTC)
- Expired
- Sep 30, 2012, 6:15 PM CDT
- In force
- 38 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
Counties Orleans Parish, LA, Saint Tammany Parish, LA, Hancock County, MS, Harrison 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 |
|---|---|---|---|
| Sep 30, 2:36 PM CDT | Tornado Watch | SPC | 3 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.6 hours before the alert went out and 25 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
- 1360 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 552 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
002
WFUS54 KLIX 302237
TORLIX
LAC071-103-MSC045-047-302315-
/O.NEW.KLIX.TO.W.0080.120930T2237Z-120930T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
537 PM CDT SUN SEP 30 2012
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN ORLEANS PARISH IN SOUTHEAST LOUISIANA...
EXTREME SOUTHEASTERN ST. TAMMANY PARISH IN SOUTHEAST LOUISIANA...
SOUTHERN HANCOCK COUNTY IN SOUTHERN MISSISSIPPI...
THIS INCLUDES THE CITIES OF...WAVELAND...DIAMONDHEAD...BAY ST.
LOUIS...
SOUTHWESTERN HARRISON COUNTY IN SOUTHERN MISSISSIPPI...
* UNTIL 615 PM CDT
* AT 531 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LAKE
CATHERINE...OR 14 MILES SOUTHEAST OF EDEN ISLE...MOVING NORTHEAST
AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
PEARLINGTON BY 550 PM CDT...
WAVELAND BY 610 PM CDT...
DIAMONDHEAD...KILN AND BAY ST. LOUIS BY 615 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS 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.
PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY EVENING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3030 8929 3036 8930 3037 8934 3035 8937
3035 8934 3031 8932 3025 8942 3017 8946
3018 8948 3017 8956 3014 8958 3014 8963
3007 8968 3011 8974 3053 8943 3038 8921
TIME...MOT...LOC 2237Z 217DEG 25KT 3014 8959
$$2 follow-up statements
882
WWUS54 KLIX 302258
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
558 PM CDT SUN SEP 30 2012
LAC071-103-302308-
/O.CAN.KLIX.TO.W.0080.000000T0000Z-120930T2315Z/
ST. TAMMANY LA-ORLEANS LA-
558 PM CDT SUN SEP 30 2012
...THE TORNADO WARNING FOR NORTHEASTERN ORLEANS AND EXTREME
SOUTHEASTERN ST. TAMMANY PARISHES IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY MORNING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
LAT...LON 3030 8929 3036 8930 3037 8934 3035 8937
3035 8934 3031 8932 3025 8942 3017 8946
3018 8948 3019 8955 3027 8961 3053 8943
3038 8921
TIME...MOT...LOC 2258Z 217DEG 25KT 3026 8949
$$
MSC045-047-302315-
/O.CON.KLIX.TO.W.0080.000000T0000Z-120930T2315Z/
HANCOCK MS-HARRISON MS-
558 PM CDT SUN SEP 30 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
SOUTHWESTERN HARRISON AND HANCOCK COUNTIES...
AT 556 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED 7 MILES WEST OF WAVELAND...MOVING NORTHEAST AT 30
MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
WAVELAND BY 610 PM CDT...
DIAMONDHEAD...KILN AND BAY ST. LOUIS BY 615 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS 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.
PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY MORNING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
&&
LAT...LON 3030 8929 3036 8930 3037 8934 3035 8937
3035 8934 3031 8932 3025 8942 3017 8946
3018 8948 3019 8955 3027 8961 3053 8943
3038 8921
TIME...MOT...LOC 2258Z 217DEG 25KT 3026 8949
$$340
WWUS54 KLIX 302314
SVSLIX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
614 PM CDT SUN SEP 30 2012
MSC045-047-302324-
/O.EXP.KLIX.TO.W.0080.000000T0000Z-120930T2315Z/
HANCOCK MS-HARRISON MS-
614 PM CDT SUN SEP 30 2012
...THE TORNADO WARNING FOR SOUTHWESTERN HARRISON AND HANCOCK COUNTIES
WILL EXPIRE AT 615 PM CDT...
AT 614 PM CDT...THE ROTATION IN THE THUNDERSTORM THAT PROMPTED THE
TORNADO WARNING HAD WEAKENED...SO THE TORNADO WARNING WILL BE
ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY MORNING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
LAT...LON 3030 8929 3036 8930 3037 8934 3035 8937
3035 8934 3031 8932 3025 8942 3017 8946
3018 8948 3019 8955 3027 8961 3053 8943
3038 8921
TIME...MOT...LOC 2314Z 217DEG 25KT 3035 8941
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 7:54 PM CDT | Areal Flood Advisory | LIX | Saint Tammany, Washington | 3 hr |
| Sep 29, 10:19 PM CDT | River Flood Warning | LIX | Saint Tammany | 45 hr |
| Sep 29, 11:56 PM CDT | River Flood Warning | LIX | Saint Tammany | 19 hr |
| Sep 30, 4:18 AM CDT | Special Marine Warning | LIX | 57 min | |
| Sep 30, 4:36 AM CDT | River Flood Warning | LIX | Saint Tammany | 29 hr |
| Sep 30, 5:28 AM CDT | Special Marine Warning | LIX | 92 min | |
| Sep 30, 8:35 AM CDT | Special Marine Warning | LIX | 55 min | |
| Sep 30, 8:55 AM CDT | River Flood Warning | LIX | Saint Tammany | 4 days |
| Sep 30, 1:20 PM CDT | Special Marine Warning | LIX | 55 min | |
| Sep 30, 1:47 PM CDT | Special Marine Warning | LIX | 28 min | |
| Sep 30, 1:51 PM CDT | Tornado Warning | LIX | West Feliciana | 24 min |
| Sep 30, 3:15 PM CDT | Special Marine Warning | LIX | 60 min | |
| Sep 30, 5:03 PM CDT | Special Marine Warning | LIX | 57 min | |
| Sep 30, 6:00 PM CDT | Special Marine Warning | LIX | 45 min | |
| Sep 30, 6:45 PM CDT | Special Marine Warning | LIX | 60 min | |
| Sep 30, 6:52 PM CDT | Special Marine Warning | LIX | 38 min | |
| Sep 30, 12:17 AM CDT | River Flood Warning | LIX | Pike, Walthall | 56 hr |
| Sep 30, 12:17 AM CDT | River Flood Warning | LIX | Pearl River | 43 hr |
| Sep 30, 12:17 AM CDT | River Flood Warning | LIX | Pearl River | 67 hr |
| Sep 30, 10:32 AM CDT | Areal Flood Advisory | LIX | Jackson | 118 min |
| Sep 30, 2:48 PM CDT | Tornado Warning | LIX | Hancock, Pearl River | 27 min |
| Sep 30, 3:15 PM CDT | Tornado Warning | LIX | Hancock, Pearl River | 30 min |
| Sep 30, 3:26 PM CDT | Tornado Warning | LIX | Hancock, Harrison | 22 min |
Nearby
Tornado Warnings in Louisiana, 2012Tornado Warnings in Mississippi, 2012Every tornado warning in 2012Tornadoes in 2012
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.