Alert archive / Louisiana / Wind Advisories in 2017

Wind Advisory 4, NWS New Orleans, LA

April 2, 20177 parishes in Louisiana

NWS New Orleans, LA issued this wind advisory at Apr 2, 2017, 4:45 AM CDT for 7 parishes in Louisiana. It took effect at Apr 2, 2017, 7:00 PM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Apr 2, 2017, 4:45 AM CDT (09:45 UTC)
In effect from
Apr 2, 2017, 7:00 PM CDT
Expired
Apr 3, 2017, 7:14 AM CDT
In force
12 hr
Issued by
NWS New Orleans, LA

Counties Assumption Parish, LA, East Baton Rouge Parish, LA, Iberville Parish, LA, Saint Bernard Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, West Baton Rouge Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 9.8 hours before the alert went out and 110 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 2017-04-02Temperature 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 2017-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -63 square meters per square second.19395878Sfc1 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
1754 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-63 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

033 
WWUS74 KLIX 020945
NPWLIX

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
445 AM CDT Sun Apr 2 2017

...Wind Advisory...

.STRONG SOUTHEASTERLY WINDS WILL DEVELOP TODAY AND INCREASE 
SUBSTANTIALLY OVERNIGHT AS A SURFACE LOW DEEPENS OVER NORTHEAST 
TEXAS AND EASTERN OKLAHOMA. THE PRESSURE GRADIENT WILL BE SUCH 
THAT SOUTHEAST WINDS REACH 25 TO 30 KNOTS WITH HIGHER GUSTS. THIS 
WILL CAUSE TIDES TO INCREASE ON SOUTH TO SOUTHEAST FACING SHORES.

LAZ040-046>050-056>070-072-MSZ080>082-021745-
/O.NEW.KLIX.WI.Y.0004.170403T0000Z-170403T1500Z/
St. Tammany-Iberville-West Baton Rouge-East Baton Rouge-Ascension-
Livingston-Assumption-St. James-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-Southern Tangipahoa-Hancock-
Harrison-Jackson-
Including the cities of Slidell, Mandeville, Covington, Lacombe, 
Bayou Sorrel, Plaquemine, White Castle, Port Allen, Addis, 
Brusly, Baton Rouge, Gonzales, Donaldsonville, Prairieville, 
Denham Springs, Watson, Walker, Pierre Part, Labadieville, 
Paincourtville, Convent, Lutcher, Gramercy, Laplace, Reserve, 
Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, 
East New Orleans, New Orleans, Belle Chasse, Chalmette, Violet, 
Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, 
Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, 
Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, 
Yscloskey, Hammond, Robert, Ponchatoula, Bay St. Louis, Waveland,
Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, 
Gautier, and St. Martin
445 AM CDT Sun Apr 2 2017

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM CDT
MONDAY...

The National Weather Service in New Orleans has issued a Wind
Advisory, which is in effect from 7 PM this evening to 10 AM CDT
Monday. 

* TIMING...Winds will peak between around 10 PM to 3 AM tonight.

* WINDS...25 to 30 mph with gusts up to 40 mph. 

* IMPACTS...Difficult driving conditions for high profile 
  vehicles especially on east-west roadways and on bridges and 
  overpasses. Loose lawn objects along with trash cans will be 
  blown around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$
5 follow-up statements
234 
WWUS74 KLIX 021457
NPWLIX

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
957 AM CDT Sun Apr 2 2017

...Wind Advisory...

.Strong southeasterly winds will develop this afternoon and
increase substantially overnight as low pressure deepens over
northeast Texas and eastern Oklahoma. The pressure gradient will
allow southeast winds to reach 25 to 30 knots with higher gusts.
This will also cause tides to increase on south and southeast
facing shores. 

LAZ040-046>050-056>070-072-MSZ080>082-030000-
/O.CON.KLIX.WI.Y.0004.170403T0000Z-170403T1500Z/
St. Tammany-Iberville-West Baton Rouge-East Baton Rouge-Ascension-
Livingston-Assumption-St. James-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-Southern Tangipahoa-Hancock-
Harrison-Jackson-
Including the cities of Slidell, Mandeville, Covington, Lacombe, 
Bayou Sorrel, Plaquemine, White Castle, Port Allen, Addis, 
Brusly, Baton Rouge, Gonzales, Donaldsonville, Prairieville, 
Denham Springs, Watson, Walker, Pierre Part, Labadieville, 
Paincourtville, Convent, Lutcher, Gramercy, Laplace, Reserve, 
Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, 
East New Orleans, New Orleans, Belle Chasse, Chalmette, Violet, 
Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, 
Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, 
Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, 
Yscloskey, Hammond, Robert, Ponchatoula, Bay St. Louis, Waveland,
Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, 
Gautier, and St. Martin
957 AM CDT Sun Apr 2 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
10 AM CDT MONDAY...

* TIMING...Winds will peak between around 10 PM to 3 AM tonight.

* WINDS...25 to 30 mph with gusts up to 40 mph.

* IMPACTS...Difficult driving conditions for high profile 
  vehicles especially on east-west roadways and on bridges and 
  overpasses. Loose lawn objects along with trash cans will be 
  blown around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$
168 
WWUS74 KLIX 022114
NPWLIX

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
414 PM CDT Sun Apr 2 2017

...Wind Advisory...

.Strong southeasterly winds will develop this afternoon and
increase substantially overnight as low pressure deepens over
northeast Texas and eastern Oklahoma. The pressure gradient will
allow southeast winds to reach 20 to 30 mph with higher gusts. 
This will also cause tides to increase on south and southeast 
facing shores.

LAZ046>050-056>058-072-022215-
/O.CAN.KLIX.WI.Y.0004.170403T0000Z-170403T1500Z/
Iberville-West Baton Rouge-East Baton Rouge-Ascension-Livingston-
Assumption-St. James-St. John The Baptist-Southern Tangipahoa-
Including the cities of Bayou Sorrel, Plaquemine, White Castle, 
Port Allen, Addis, Brusly, Baton Rouge, Gonzales, Donaldsonville,
Prairieville, Denham Springs, Watson, Walker, Pierre Part, 
Labadieville, Paincourtville, Convent, Lutcher, Gramercy, 
Laplace, Reserve, Hammond, Robert, and Ponchatoula
414 PM CDT Sun Apr 2 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in New Orleans has cancelled the
Wind Advisory. 

Winds should remain between 15 and 25 mph for much of the 
overnight hours. 

$$

LAZ040-059>070-MSZ080>082-030515-
/O.CON.KLIX.WI.Y.0004.170403T0000Z-170403T1500Z/
St. Tammany-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-Hancock-Harrison-Jackson-
Including the cities of Slidell, Mandeville, Covington, Lacombe, 
Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, 
East New Orleans, New Orleans, Belle Chasse, Chalmette, Violet, 
Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, 
Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, 
Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, 
Yscloskey, Bay St. Louis, Waveland, Diamondhead, Gulfport, 
Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin
414 PM CDT Sun Apr 2 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT MONDAY...

* TIMING...Winds will peak between around 10 PM to 3 AM tonight.

* WINDS...20 to 30 mph with gusts up to 40 mph.

* IMPACTS...Difficult driving conditions for high profile 
  vehicles especially on east-west roadways and on bridges and 
  overpasses. Loose lawn objects along with trash cans will be 
  blown around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$
417 
WWUS74 KLIX 030250
NPWLIX

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
950 PM CDT Sun Apr 2 2017

...Wind Advisory in effect until 10 am Monday morning...

.Southeasterly winds will increase overnight as low pressure 
over western Arkansas and Louisiana moves eastward. The pressure 
gradient will allow southeast winds to reach 20 to 30 mph with 
higher gusts. This will also cause tides to increase on south and 
southeast facing shores.

LAZ040-059>070-MSZ080>082-031100-
/O.CON.KLIX.WI.Y.0004.000000T0000Z-170403T1500Z/
St. Tammany-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-Hancock-Harrison-Jackson-
Including the cities of Slidell, Mandeville, Covington, Lacombe, 
Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, 
East New Orleans, New Orleans, Belle Chasse, Chalmette, Violet, 
Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, 
Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, 
Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, 
Yscloskey, Bay St. Louis, Waveland, Diamondhead, Gulfport, 
Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin
950 PM CDT Sun Apr 2 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT MONDAY...

* TIMING...Winds will peak between around 10 pm to 3 am tonight.

* WINDS...20 to 30 mph with gusts up to 40 mph.

* IMPACTS...Difficult driving conditions for high profile 
  vehicles especially on east-west roadways and on bridges and 
  overpasses. Loose lawn objects along with trash cans will be 
  blown around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$
002 
WWUS74 KLIX 030851
NPWLIX

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
351 AM CDT Mon Apr 3 2017

...Wind Advisory in effect until 10 am this morning...

.Southeasterly winds will remain strong ahead of a cold front 
this morning. Once the front moves through, winds will shift to
westerly and lower.

LAZ040-059>070-MSZ080>082-031500-
/O.CON.KLIX.WI.Y.0004.000000T0000Z-170403T1500Z/
St. Tammany-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-Hancock-Harrison-Jackson-
Including the cities of Slidell, Mandeville, Covington, Lacombe, 
Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, 
East New Orleans, New Orleans, Belle Chasse, Chalmette, Violet, 
Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, 
Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, 
Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, 
Yscloskey, Bay St. Louis, Waveland, Diamondhead, Gulfport, 
Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin
351 AM CDT Mon Apr 3 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING...

* TIMING...through 10 am today.

* WINDS...20 to 30 mph.

* IMPACTS...Difficult driving conditions for high profile 
  vehicles especially on east-west roadways and on bridges and 
  overpasses. Loose lawn objects along with trash cans will be 
  blown around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$
941 
WWUS74 KLIX 031214
NPWLIX

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
714 AM CDT Mon Apr 3 2017

...Wind speeds begin to ease as a cold front moves through...

.A cold front is moving through the area this morning causing
wind speeds to fall to around 10 to 15 mph.

LAZ040-059>070-MSZ080>082-031315-
/O.CAN.KLIX.WI.Y.0004.000000T0000Z-170403T1500Z/
St. Tammany-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-Hancock-Harrison-Jackson-
Including the cities of Slidell, Mandeville, Covington, Lacombe, 
Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, 
East New Orleans, New Orleans, Belle Chasse, Chalmette, Violet, 
Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, 
Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, 
Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, 
Yscloskey, Bay St. Louis, Waveland, Diamondhead, Gulfport, 
Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin
714 AM CDT Mon Apr 3 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in New Orleans has cancelled the
Wind Advisory. 

Winds will remain weak once the cold front passes.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 4:23 AM CDTSmall Craft AdvisoryLIX36 hr
Apr 2, 4:41 AM CDTCoastal Flood AdvisoryLIXSaint Bernard, Saint John the Baptist23 hr
Apr 2, 9:45 AM CDTRiver Flood WarningLIXSaint Tammany, Washington17 days
Apr 2, 9:49 AM CDTRiver Flood WarningLIXTangipahoa4 days
Apr 2, 10:08 AM CDTSevere Thunderstorm WarningLIXIberville, Pointe Coupee, West Feliciana52 min
Apr 2, 10:31 AM CDTTornado WarningLIXPointe Coupee29 min
Apr 2, 10:59 AM CDTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana31 min
Apr 2, 11:29 AM CDTSevere Thunderstorm WarningLIXWest Feliciana16 min
Apr 2, 12:17 PM CDTSpecial Marine WarningLIX28 min
Apr 2, 12:29 PM CDTSpecial Weather StatementLIXSaint Tammany31 min
Apr 2, 3:52 PM CDTSpecial Weather StatementLIXWest Feliciana23 min
Apr 2, 4:21 PM CDTSpecial Weather StatementLIXWest Feliciana24 min
Apr 2, 4:57 PM CDTSpecial Weather StatementLIXEast Feliciana33 min
Apr 2, 5:07 PM CDTSevere Thunderstorm WarningLIXEast Feliciana, Saint Helena, West Feliciana38 min
Apr 2, 5:28 PM CDTTornado WarningLIXEast Feliciana32 min
Apr 2, 5:53 PM CDTSpecial Weather StatementLIXEast Feliciana, Pointe Coupee, West Feliciana22 min
Apr 2, 11:43 AM CDTSpecial Weather StatementLIXAmite32 min
Apr 2, 11:44 AM CDTSpecial Weather StatementLIXWilkinson31 min
Apr 2, 6:34 PM CDTSpecial Weather StatementLIXAmite, Pike26 min

Nearby

Wind Advisories in Louisiana, 2017Wind Advisories in Mississippi, 2017Every wind advisory in 2017

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.