Alert archive / Louisiana / Wind Advisories in 2012
Wind Advisory 3, NWS New Orleans, LA
NWS New Orleans, LA issued this wind advisory at Apr 20, 2012, 3:57 PM CDT for Saint Bernard Parish, Saint John the Baptist Parish, Louisiana. It took effect at Apr 21, 2012, 7:00 PM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 20, 2012, 3:57 PM CDT (20:57 UTC)
- In effect from
- Apr 21, 2012, 7:00 PM CDT
- Expired
- Apr 22, 2012, 3:31 AM CDT
- In force
- 9 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, 9.0 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
- 1 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 945 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
199 WWUS74 KLIX 202057 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 357 PM CDT FRI APR 20 2012 ...STRONG WINDS EXPECTED SATURDAY NIGHT AND SUNDAY MORNING... .A UPPER LEVEL STORM SYSTEM WILL DEVELOP AND STRENGTHEN AS IT TRACKS NEAR THE AREA SATURDAY EVENING THROUGH SUNDAY. THE COMBINATION OF A DEEPENING SURFACE LOW OVER THE NORTHERN GULF AND ASSOCIATED COLD FRONT SURGING THROUGH WILL RESULT IN INCREASING WINDS OVER PORTIONS OF SOUTHEAST LOUISIANA FROM SOUTH OF LAKE PONTCHARTRAIN TO THE COAST. LAZ058>070-210600- /O.NEW.KLIX.WI.Y.0003.120422T0000Z-120422T1500Z/ 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 357 PM CDT FRI APR 20 2012 ...WIND ADVISORY IN EFFECT FROM 7 PM SATURDAY TO 10 AM CDT SUNDAY... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 7 PM SATURDAY TO 10 AM CDT SUNDAY. * TIMING: WINDS WILL BE STRONGEST SATURDAY NIGHT AND SUNDAY MORNING. * WINDS: SUSTAINED SPEEDS OF 25 TO 30 MPH WITH GUSTS TO 40 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. && $$
5 follow-up statements
302 WWUS74 KLIX 210224 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 924 PM CDT FRI APR 20 2012 ...STRONG WINDS EXPECTED SATURDAY NIGHT AND SUNDAY MORNING... .A UPPER LEVEL STORM SYSTEM WILL DEVELOP AND STRENGTHEN AS IT TRACKS NEAR THE AREA SATURDAY EVENING THROUGH SUNDAY. THE COMBINATION OF A DEEPENING SURFACE LOW OVER THE NORTHERN GULF AND ASSOCIATED COLD FRONT SURGING THROUGH WILL RESULT IN INCREASING WINDS OVER PORTIONS OF SOUTHEAST LOUISIANA FROM SOUTH OF LAKE PONTCHARTRAIN TO THE COAST. LAZ058>070-211030- /O.CON.KLIX.WI.Y.0003.120422T0000Z-120422T1500Z/ ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES-UPPER JEFFERSON- ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE- LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON- LOWER PLAQUEMINES-LOWER ST. BERNARD- INCLUDING THE CITIES OF...LAPLACE...RESERVE...THIBODAUX... RACELAND...LAROSE...DESTREHAN...NORCO...METAIRIE...KENNER... NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...HOUMA... BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GALLIANO...CUT OFF... GOLDEN MEADOW...PORT SULPHUR...EMPIRE...YSCLOSKEY 924 PM CDT FRI APR 20 2012 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM SATURDAY TO 10 AM CDT SUNDAY... * TIMING: WINDS WILL BE STRONGEST SATURDAY NIGHT AND SUNDAY MORNING. * WINDS: SUSTAINED SPEEDS OF 25 TO 30 MPH WITH GUSTS TO 40 MPH WILL BE POSSIBLE * IMPACTS: UNSECURED OBJECTS SUCH AS TRASH CANS MAY BE BLOWN AROUND. DRIVING CONDITIONS MAY BE DIFFICULT FOR OPERATORS OF HIGH PROFILE VEHICLES...ESPECIALLY ALONG EAST-WEST ORIENTED HIGHWAYS. LARGE TREES WILL SWAY AND SOME TREE LIMBS MAY BE BLOWN DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
376 WWUS74 KLIX 210921 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 421 AM CDT SAT APR 21 2012 ...STRONG WINDS EXPECTED TONIGHT AND SUNDAY MORNING... .AN UPPER LEVEL STORM SYSTEM WILL STRENGTHEN AS IT TRACKS NEAR THE AREA TODAY THROUGH SUNDAY. THE COMBINATION OF A DEEPENING SURFACE LOW OVER THE NORTHERN GULF AND ASSOCIATED COLD FRONT SURGING THROUGH WILL RESULT IN INCREASING WINDS OVER PORTIONS OF SOUTHEAST LOUISIANA FROM SOUTH OF LAKE PONTCHARTRAIN TO THE COAST. LAZ058>070-211730- /O.CON.KLIX.WI.Y.0003.120422T0000Z-120422T1500Z/ 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 421 AM CDT SAT APR 21 2012 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM CDT SUNDAY... * TIMING: WINDS WILL BE STRONGEST TONIGHT AND SUNDAY MORNING. * WINDS: SUSTAINED SPEEDS OF 25 TO 30 MPH WITH GUSTS TO 40 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. && $$ 24/RR
986 WWUS74 KLIX 211846 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 146 PM CDT SAT APR 21 2012 ...STRONG WINDS EXPECTED TONIGHT AND SUNDAY MORNING... .AN UPPER LEVEL STORM SYSTEM WILL STRENGTHEN AS IT TRACKS EAST ACROSS THE NORTH CENTRAL AND NORTHEAST GULF OF MEXICO TODAY THROUGH SUNDAY. THE COMBINATION OF A DEEPENING SURFACE LOW OVER THE NORTHEAST GULF AND ASSOCIATED COLD FRONT SURGING THROUGH WILL RESULT IN INCREASING WINDS OVER PORTIONS OF SOUTHEAST LOUISIANA FROM SOUTH OF LAKE PONTCHARTRAIN TO THE COAST BY TONIGHT. LAZ058>070-220300- /O.CON.KLIX.WI.Y.0003.120422T0000Z-120422T1500Z/ ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES-UPPER JEFFERSON- ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE- LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON- LOWER PLAQUEMINES-LOWER ST. BERNARD- INCLUDING THE CITIES OF...LAPLACE...RESERVE...THIBODAUX... RACELAND...LAROSE...DESTREHAN...NORCO...METAIRIE...KENNER... NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...HOUMA... BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GALLIANO...CUT OFF... GOLDEN MEADOW...PORT SULPHUR...EMPIRE...YSCLOSKEY 146 PM CDT SAT APR 21 2012 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM CDT SUNDAY... * TIMING: WINDS WILL BE STRONGEST TONIGHT AND SUNDAY MORNING. * WINDS: SUSTAINED SPEEDS OF 25 TO 30 MPH WITH GUSTS TO 40 MPH WILL BE POSSIBLE. * IMPACTS: UNSECURED OBJECTS SUCH AS TRASH CANS MAY BE BLOWN AROUND. DRIVING CONDITIONS MAY BE DIFFICULT FOR OPERATORS OF HIGH PROFILE VEHICLES...ESPECIALLY ALONG EAST-WEST ORIENTED HIGHWAYS. LARGE TREES WILL SWAY AND SOME TREE LIMBS MAY BE BLOWN DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS GREATER THAN 25 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ 22/TD
145 WWUS74 KLIX 220213 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 913 PM CDT SAT APR 21 2012 ...STRONG WINDS EXPECTED TONIGHT AND SUNDAY MORNING... .AN UPPER LEVEL LOW PRESSURE STORM SYSTEM CONTINUES TO STRENGTHEN AS IT TRACKS EAST ACROSS THE NORTHERN GULF OF MEXICO. THE COMBINATION OF THE UPPER LOW AND A TIGHT PRESSURE GRADIENT IN THE WAKE OF A COLD FRONT WILL INCREASE WINDS TONIGHT THROUGH SUNDAY MORNING. LAZ058>070-221015- /O.CON.KLIX.WI.Y.0003.000000T0000Z-120422T1500Z/ 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 913 PM CDT SAT APR 21 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT SUNDAY... * TIMING: WINDS WILL BE STRONGEST TONIGHT AND SUNDAY MORNING. * WINDS: SUSTAINED SPEEDS OF 25 TO 30 MPH WITH GUSTS TO 40 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 GREATER THAN 25 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
782 WWUS74 KLIX 220831 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 331 AM CDT SUN APR 22 2012 ...WIND ADVISORY IS CANCELLED... .A STRONG COLD FRONT SWEPT THROUGH THE AREA SATURDAY USHERING COOLER TEMPERATURES AND WINDY CONDITIONS. WHILE BREEZY CONDITIONS ARE EXPECTED FOR SUNDAY...SPEEDS SHOULD REMAIN GENERALLY BELOW ADVISORY LEVELS...EXCEPT FOR LOCATIONS ALONG THE IMMEDIATE SOUTH SHORE OF LAKE PONTCHARTRAIN. LAZ058>070-220945- /O.CAN.KLIX.WI.Y.0003.000000T0000Z-120422T1500Z/ ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES-UPPER JEFFERSON- ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE- LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON- LOWER PLAQUEMINES-LOWER ST. BERNARD- INCLUDING THE CITIES OF...LAPLACE...RESERVE...THIBODAUX... RACELAND...LAROSE...DESTREHAN...NORCO...METAIRIE...KENNER... NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...HOUMA... BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GALLIANO...CUT OFF... GOLDEN MEADOW...PORT SULPHUR...EMPIRE...YSCLOSKEY 331 AM CDT SUN APR 22 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE WIND ADVISORY. AREAS ALONG THE IMMEDIATE LAKE FRONT IN NEW ORLEANS MAY STILL SEE OCCASIONAL GUSTS 30 TO 35 MPH. GUSTY CONDITIONS 20 TO 25 MPH CAN BE EXPECTED AWAY FROM THE LAKE INFLUENCES TODAY. MARINE INTERESTS SHOULD BE AWARE THAT NORTH WINDS WILL REMAIN BRISK OVER AREA LAKES AND COASTAL WATERS. A SMALL CRAFT ADVISORY REMAINS IN EFFECT THIS MORNING FOR WINDS 20 TO 25 KNOTS WITH HIGHER GUSTS. $$ 24/RR
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 3:39 AM CDT | Small Craft Advisory | LIX | 39 hr | |
| Apr 20, 11:55 AM CDT | Gale Watch | LIX | 10 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.