Alert archive / Louisiana / Wind Advisories in 2011

Wind Advisory 3, NWS New Orleans, LA

February 7, 2011Saint Bernard Parish, Louisiana

NWS New Orleans, LA issued this wind advisory at Feb 7, 2011, 4:03 AM CST for Saint Bernard Parish, Louisiana. It took effect at Feb 7, 2011, 10:00 AM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Feb 7, 2011, 4:03 AM CST (10:03 UTC)
In effect from
Feb 7, 2011, 10:00 AM CST
Expired
Feb 7, 2011, 6:00 PM CST
In force
8 hr
Issued by
NWS New Orleans, LA

County Saint Bernard Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 10.1 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-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 2011-02-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2011-02-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939587897117136156175Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1085 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

751 
WWUS74 KLIX 071003
NPWLIX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
403 AM CST MON FEB 7 2011

...STRONG WIND GUSTS ARE EXPECTED LATER THIS MORNING...

.A FAST MOVING COLD FRONT WAS MOVING THROUGH THE MID-GULF REGION
THIS MORNING. A VIGOROUS UPPER LEVEL DISTURBANCE IS EXPECTED TO
MOVE ALONG THE LOUISIANA COAST LATER THIS MORNING AND EARLY
AFTERNOON THAT WILL BRING VERY DRY AIR ALOFT DOWN TO THE GROUND.
COUPLED WITH DAYTIME HEATING THIS WILL PRODUCE STRONG WIND GUSTS
25 TO 40 MPH LATER THIS MORNING. THE GUSTY CONDITIONS ARE EXPECTED
TO SUBSIDE AT SUNSET AS AIR TEMPERATURES BEGIN TO COOL. 

LAZ059>070-071815-
/O.NEW.KLIX.WI.Y.0003.110207T1600Z-110208T0000Z/
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...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
403 AM CST MON FEB 7 2011

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS EVENING. 

GUSTS 25 TO 40 MPH ARE EXPECTED TO DEVELOP MAINLY AFTER 10 AM AND
CONTINUE THROUGHOUT THE AFTERNOON. IMPACTS WILL BE MOST REALIZED OVER
LARGE OPEN AREAS...ON ELEVATED PORTIONS OF HIGHWAYS AND RIVER
CROSSINGS...AND NEAR TALL BUILDINGS...PARTICULARLY IN THE METRO
NEW ORLEANS AREA. 

IN ADDITION...A GALE WARNING IS IN EFFECT FOR THE AREA LAKES AND
COASTAL WATERS FOR FREQUENT GUSTS IN EXCESS OF 34 KNOTS TODAY. 

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
1 follow-up statement
822 
WWUS74 KLIX 072137
NPWLIX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
337 PM CST MON FEB 7 2011

...STRONG WIND GUSTS ARE EXPECTED THROUGH THIS EVENING...
...LIGHT FREEZE POSSIBLE LATE TONIGHT FOR METRO NEW ORLEANS AND
THE RIVER PARISHES...

.A VIGOROUS UPPER LEVEL DISTURBANCE CURRENTLY MOVING THROUGH THE
AREA THIS AFTERNOON WILL CONTINUE TO BRING VERY DRY AIR ALOFT
DOWN TO THE GROUND. THIS SYSTEM WILL CONTINUE TO PRODUCE STRONG
WIND GUSTS 25 TO 40 MPH THROUGH EARLY THIS EVENING. THE GUSTY
CONDITIONS ARE EXPECTED TO SUBSIDE AT SUNSET AS AIR TEMPERATURES
BEGIN TO COOL. TEMPERATURES SHOULD CONTINUE TO COOL THROUGH THE
NIGHT...RESULTING IN A LIGHT FREEZE FOR METRO NEW ORLEANS AND THE
RIVER PARISHES LATE TONIGHT.

LAZ059>065-080545-
/O.NEW.KLIX.FZ.A.0001.110208T0900Z-110208T1500Z/
/O.CON.KLIX.WI.Y.0003.000000T0000Z-110208T0000Z/
UPPER LAFOURCHE-ST. CHARLES-UPPER JEFFERSON-ORLEANS-
UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE-
INCLUDING THE CITIES OF...THIBODAUX...RACELAND...LAROSE...
DESTREHAN...NORCO...METAIRIE...KENNER...NEW ORLEANS...
BELLE CHASSE...CHALMETTE...VIOLET...HOUMA...BAYOU CANE
337 PM CST MON FEB 7 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...
...FREEZE WATCH IN EFFECT FROM 3 AM CST TUESDAY THROUGH TUESDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A FREEZE
WATCH...WHICH IS IN EFFECT FROM 3 AM CST TUESDAY THROUGH TUESDAY
MORNING. A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

GUSTS 25 TO 40 MPH WILL CONTINUE THROUGH EARLY THIS EVENING. IMPACTS
WILL BE MOST REALIZED OVER LARGE OPEN AREAS...ON ELEVATED PORTIONS
OF HIGHWAYS AND RIVER CROSSINGS...AND NEAR TALL BUILDINGS...PARTICULARLY
IN THE METRO NEW ORLEANS AREA.

IN ADDITION...A GALE WARNING IS IN EFFECT FOR THE AREA LAKES AND
COASTAL WATERS FOR FREQUENT GUSTS IN EXCESS OF 34 KNOTS THIS AFTERNOON.

A LIGHT FREEZE WILL THEN BE POSSIBLE LATE TONIGHT AS TEMPERATURES
FALL TO AROUND 30 DEGREES DUE TO CLEARING SKIES AND LIGHTER WINDS.
TEMPERATURES SHOULD WARM BACK ABOVE FREEZING BY MID-MORNING
TOMORROW.

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.

A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE.
THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$

LAZ066>070-080000-
/O.CON.KLIX.WI.Y.0003.000000T0000Z-110208T0000Z/
LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON-
LOWER PLAQUEMINES-LOWER ST. BERNARD-
INCLUDING THE CITIES OF...CHAUVIN...DULAC...MONTEGUT...GALLIANO...
CUT OFF...GOLDEN MEADOW...PORT SULPHUR...EMPIRE...YSCLOSKEY
337 PM CST MON FEB 7 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. 

GUSTS 25 TO 40 MPH WILL CONTINUE THROUGH EARLY THIS EVENING. IMPACTS
WILL BE MOST REALIZED OVER LARGE OPEN AREAS...ON ELEVATED PORTIONS
OF HIGHWAYS AND RIVER CROSSINGS...AND NEAR TALL BUILDINGS...PARTICULARLY
IN THE METRO NEW ORLEANS AREA.

IN ADDITION...A GALE WARNING IS IN EFFECT FOR THE AREA LAKES AND
COASTAL WATERS FOR FREQUENT GUSTS IN EXCESS OF 34 KNOTS THIS AFTERNOON.

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.

&&

$$

LAZ056>058-080545-
/O.NEW.KLIX.FZ.A.0001.110208T0900Z-110208T1500Z/
ASSUMPTION-ST. JAMES-ST. JOHN THE BAPTIST-
INCLUDING THE CITIES OF...PIERRE PART...LABADIEVILLE...
PAINCOURTVILLE...LUTCHER...GRAMERCY...LAPLACE...RESERVE
337 PM CST MON FEB 7 2011

...FREEZE WATCH IN EFFECT FROM 3 AM CST TUESDAY THROUGH TUESDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A FREEZE
WATCH...WHICH IS IN EFFECT FROM 3 AM CST TUESDAY THROUGH TUESDAY
MORNING. 

CLEARING SKIES AND LIGHT WINDS ARE EXPECTED TO DEVELOP LATE
TONIGHT...WHICH SHOULD ALLOW TEMPERATURES TO FALL BELOW FREEZING
LATE TONIGHT. TEMPERATURES SHOULD DROP TO AROUND 30 DEGREES LATE
TONIGHT AND EARLY TOMORROW MORNING. TEMPERATURES SHOULD RISE ABOVE
FREEZING BY MID-MORNING TOMORROW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE.
THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$

32

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 7, 3:26 AM CSTSpecial Marine WarningLIX49 min
Feb 7, 4:04 AM CSTGale WarningLIX14 hr
Feb 7, 4:04 AM CSTSmall Craft AdvisoryLIX24 hr
Feb 7, 7:54 AM CSTSmall Craft AdvisoryLIX4 hr
Feb 7, 3:37 PM CSTFreeze WatchLIXAssumption, Saint Bernard, Saint James, Saint John the Baptist6 hr

Nearby

Wind Advisories in Louisiana, 2011Every wind advisory in 2011

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.