Alert archive / Louisiana / Wind Advisories in 2012
Wind Advisory 4, NWS New Orleans, LA
NWS New Orleans, LA issued this wind advisory at Apr 22, 2012, 6:18 PM CDT for Saint Bernard Parish, Saint John the Baptist Parish, Louisiana. It took effect at Apr 22, 2012, 7:00 PM CDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Apr 22, 2012, 6:18 PM CDT (23:18 UTC)
- In effect from
- Apr 22, 2012, 7:00 PM CDT
- Expired
- Apr 23, 2012, 7:00 AM CDT
- In force
- 12 hr
- Issued by
- NWS New Orleans, LA
Counties Saint Bernard Parish, LA, Saint John the Baptist Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 11.3 hours before the alert went out and 51 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1511 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- -1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
886 WWUS74 KLIX 222318 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 618 PM CDT SUN APR 22 2012 ...STRONG WINDS EXPECTED THIS EVENING THROUGH MONDAY MORNING... .ANOTHER REINFORCING SURGE OF COLD AIR WILL ALLOW WINDS TO INCREASE ACROSS AREA. WIND SPEEDS ARE EXPECTED TO BE STRONGER SOUTH AND SOUTHEAST OF LAKE PONTCHARTRAIN AND LAKE MAUREPAS. LAZ058>070-230730- /O.NEW.KLIX.WI.Y.0004.120423T0000Z-120423T1200Z/ ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES-UPPER JEFFERSON- ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE- LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON- LOWER PLAQUEMINES-LOWER ST. BERNARD- INCLUDING THE CITIES OF...LAPLACE...RESERVE...THIBODAUX... RACELAND...LAROSE...DESTREHAN...NORCO...METAIRIE...KENNER... NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...HOUMA... BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GALLIANO...CUT OFF... GOLDEN MEADOW...PORT SULPHUR...EMPIRE...YSCLOSKEY 618 PM CDT SUN APR 22 2012 ...WIND ADVISORY IN EFFECT UNTIL 7 AM CDT MONDAY... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM CDT MONDAY. * TIMING...WINDS WILL BE STRONGEST THIS EVENING AND OVERNIGHT. * WINDS: SUSTAINED SPEEDS OF 25 TO 30 MPH WITH GUSTS TO 35 MPH WILL BE POSSIBLE. * IMPACTS: UNSECURED OBJECTS SUCH AS TRASH CANS MAY BE BLOWN AROUND. DRIVING CONDITIONS MAY BE DIFFICULT FOR OPERATORS OF HIGH PROFILE VEHICLES...ESPECIALLY ALONG EAST-WEST ORIENTED HIGHWAYS. LARGE TREES WILL SWAY AND SOME TREE LIMBS MAY BE BLOWN DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
1 follow-up statement
783 WWUS74 KLIX 230831 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 331 AM CDT MON APR 23 2012 ...STRONG WINDS EARLY THIS MORNING IN METRO NEW ORLEANS AREA... .A RE-ENFORCING SURGE OF COOLER AIR MOVING THROUGH THE REGION WILL INTERACT WITH THE WARMER LAKE WATER TEMPERATURES TO PRODUCE LOCALIZED STRONGER WINDS OFF LAKE PONTCHARTRAIN. THIS WILL CAUSE GUSTY WINDS INTO NEW ORLEANS MAINLY WITHIN A MILE OF THE LAKE. GUSTS SHOULD BE LESS PRONOUNCED FARTHER FROM THE LAKE. LAZ058>061-063>070-230945- /O.CAN.KLIX.WI.Y.0004.000000T0000Z-120423T1200Z/ ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES-UPPER JEFFERSON- UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE- LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON- LOWER PLAQUEMINES-LOWER ST. BERNARD- INCLUDING THE CITIES OF...LAPLACE...RESERVE...THIBODAUX... RACELAND...LAROSE...DESTREHAN...NORCO...METAIRIE...KENNER... BELLE CHASSE...CHALMETTE...VIOLET...HOUMA...BAYOU CANE... CHAUVIN...DULAC...MONTEGUT...GALLIANO...CUT OFF...GOLDEN MEADOW... PORT SULPHUR...EMPIRE...YSCLOSKEY 331 AM CDT MON APR 23 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE WIND ADVISORY. A FEW GUSTS AROUND 20 MPH CAN BE EXPERIENCED THROUGHOUT THE MORNING BUT THIS FALLS SHORT OF ADVISORY CRITERIA FOR THE AREA. $$ LAZ062-231200- /O.CON.KLIX.WI.Y.0004.000000T0000Z-120423T1200Z/ ORLEANS- INCLUDING THE CITY OF...NEW ORLEANS 331 AM CDT MON APR 23 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING... * TIMING...THROUGH EARLY MORNING. * WINDS: SUSTAINED SPEEDS OF 25 TO 30 MPH WITH GUSTS TO 35 MPH WILL BE POSSIBLE PARTICULARLY CLOSE TO THE LAKEFRONT AND ON ROADWAYS CROSSING THE LAKE. * IMPACTS: UNSECURED OBJECTS SUCH AS TRASH CANS MAY BE BLOWN AROUND. DRIVING CONDITIONS MAY BE DIFFICULT FOR OPERATORS OF HIGH PROFILE VEHICLES...ESPECIALLY ALONG EAST-WEST ORIENTED HIGHWAYS. LARGE TREES WILL SWAY AND SOME TREE LIMBS MAY BE BLOWN DOWN. SOME WAVES MAY CRASH ASHORE ALONG LAKESHORE DRIVE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ 24/RR
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 3:44 PM CDT | Small Craft Advisory | LIX | 18 hr |
Nearby
Wind Advisories in Louisiana, 2012Every wind advisory 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.