Alert archive / Louisiana / Wind Advisories in 2021
Wind Advisory 5, NWS New Orleans, LA
NWS New Orleans, LA issued this wind advisory at Mar 30, 2021, 2:11 PM CDT for 9 parishes in Louisiana. It took effect at Mar 31, 2021, 6:00 PM CDT. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Mar 30, 2021, 2:11 PM CDT (19:11 UTC)
- In effect from
- Mar 31, 2021, 6:00 PM CDT
- Expired
- Apr 1, 2021, 11:00 AM CDT
- In force
- 17 hr
- Issued by
- NWS New Orleans, LA
Counties Assumption Parish, LA, East Baton Rouge Parish, LA, Iberville Parish, LA, Orleans Parish, LA, Saint Bernard Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Tammany Parish, LA, West Baton Rouge Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.2 hours before the alert went out and 91 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
- 60 J/kg
- Mixed-layer CIN
- -225 J/kg
- Mixed-layer LCL
- 902 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
743 WWUS74 KLIX 301911 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 211 PM CDT Tue Mar 30 2021 LAZ049-050-056>061-063>070-072-075>078-MSZ080>082-310315- /O.NEW.KLIX.WI.Y.0005.210331T2300Z-210401T1300Z/ Ascension-Livingston-Assumption-St. James-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-Southern Tangipahoa-Northwest St. Tammany- Southeast St. Tammany-Western Orleans-Eastern Orleans-Hancock- Harrison-Jackson- Including the cities of Gonzales, Donaldsonville, Prairieville, Denham Springs, Watson, Walker, Pierre Part, Labadieville, Paincourtville, Convent, Lutcher, Gramercy, Laplace, Reserve, Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, 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, Mandeville, Covington, Lacombe, Folsom, Pearl River, Slidell, New Orleans, East New Orleans, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 211 PM CDT Tue Mar 30 2021 ...WIND ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 8 AM CDT THURSDAY... * WHAT...North winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of southeast and southern Mississippi and southeast Louisiana. * WHEN...From 6 PM Wednesday to 8 AM CDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
6 follow-up statements
122 WWUS74 KLIX 310228 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 928 PM CDT Tue Mar 30 2021 LAZ049-050-056>061-063>070-072-075>078-MSZ080>082-311030- /O.CON.KLIX.WI.Y.0005.210331T2300Z-210401T1300Z/ Ascension-Livingston-Assumption-St. James-St. John The Baptist- Upper Lafourche-St. Charles-Upper Jefferson-Upper Plaquemines- Upper St. Bernard-Upper Terrebonne-Lower Terrebonne- Lower Lafourche-Lower Jefferson-Lower Plaquemines- Lower St. Bernard-Southern Tangipahoa-Northwest St. Tammany- Southeast St. Tammany-Western Orleans-Eastern Orleans-Hancock- Harrison-Jackson- Including the cities of Gonzales, Donaldsonville, Prairieville, Denham Springs, Watson, Walker, Pierre Part, Labadieville, Paincourtville, Convent, Lutcher, Gramercy, Laplace, Reserve, Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, Belle Chasse, Chalmette, Violet, Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, Yscloskey, Hammond, Robert, Ponchatoula, Mandeville, Covington, Lacombe, Slidell, New Orleans, East New Orleans, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 928 PM CDT Tue Mar 30 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM WEDNESDAY TO 8 AM CDT THURSDAY... * WHAT...North winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...All of coastal Mississippi and all of Southeast Louisiana along and south of I-12 and east of a Denham Springs to Pierre Part line. * WHEN...From 6 PM Wednesday to 8 AM CDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ PG
417 WWUS74 KLIX 310930 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 430 AM CDT Wed Mar 31 2021 LAZ049-050-056>061-063>070-072-075>078-MSZ080>082-311730- /O.CON.KLIX.WI.Y.0005.210331T2300Z-210401T1300Z/ Ascension-Livingston-Assumption-St. James-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-Southern Tangipahoa-Northwest St. Tammany- Southeast St. Tammany-Western Orleans-Eastern Orleans-Hancock- Harrison-Jackson- Including the cities of Gonzales, Donaldsonville, Prairieville, Denham Springs, Watson, Walker, Pierre Part, Labadieville, Paincourtville, Convent, Lutcher, Gramercy, Laplace, Reserve, Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, 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, Mandeville, Covington, Lacombe, Slidell, New Orleans, East New Orleans, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 430 AM CDT Wed Mar 31 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 8 AM CDT THURSDAY... * WHAT...North winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...All of coastal Mississippi and all of Southeast Louisiana along and south of I-12 and east of a Denham Springs to Pierre Part line. * WHEN...From 6 PM Wednesday to 8 AM CDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
374 WWUS74 KLIX 312146 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 446 PM CDT Wed Mar 31 2021 LAZ049-050-056>061-063>070-072-075>078-MSZ080>082-010600- /O.CON.KLIX.WI.Y.0005.210331T2300Z-210401T1300Z/ Ascension-Livingston-Assumption-St. James-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-Southern Tangipahoa-Northwest St. Tammany- Southeast St. Tammany-Western Orleans-Eastern Orleans-Hancock- Harrison-Jackson- Including the cities of Gonzales, Donaldsonville, Prairieville, Denham Springs, Watson, Walker, Pierre Part, Labadieville, Paincourtville, Convent, Lutcher, Gramercy, Laplace, Reserve, Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, 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, Mandeville, Covington, Lacombe, Slidell, New Orleans, East New Orleans, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 446 PM CDT Wed Mar 31 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THURSDAY... * WHAT...North winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...All of coastal Mississippi and all of Southeast Louisiana along and south of I-12 and east of a Denham Springs to Pierre Part line. * WHEN...From 6 PM Wednesday to 8 AM CDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
852 WWUS74 KLIX 312247 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 547 PM CDT Wed Mar 31 2021 LAZ046>048-010700- /O.EXA.KLIX.WI.Y.0005.210331T2300Z-210401T1300Z/ Iberville-West Baton Rouge-East Baton Rouge- Including the cities of Bayou Sorrel, Plaquemine, White Castle, Port Allen, Addis, Brusly, and Baton Rouge 547 PM CDT Wed Mar 31 2021 ...WIND ADVISORY IN EFFECT UNTIL 8 AM CDT THURSDAY... * WHAT...North winds 15 to 30 mph with gusts up to 40 mph expected. * WHERE...Iberville, West Baton Rouge and East Baton Rouge Parishes. * WHEN...From 6 PM Wednesday to 8 AM CDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ LAZ049-050-056>061-063>070-072-075>078-MSZ080>082-010700- /O.CON.KLIX.WI.Y.0005.210331T2300Z-210401T1300Z/ Ascension-Livingston-Assumption-St. James-St. John The Baptist- Upper Lafourche-St. Charles-Upper Jefferson-Upper Plaquemines- Upper St. Bernard-Upper Terrebonne-Lower Terrebonne- Lower Lafourche-Lower Jefferson-Lower Plaquemines- Lower St. Bernard-Southern Tangipahoa-Northwest St. Tammany- Southeast St. Tammany-Western Orleans-Eastern Orleans-Hancock- Harrison-Jackson- Including the cities of Gonzales, Donaldsonville, Prairieville, Denham Springs, Watson, Walker, Pierre Part, Labadieville, Paincourtville, Convent, Lutcher, Gramercy, Laplace, Reserve, Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, Belle Chasse, Chalmette, Violet, Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, Yscloskey, Hammond, Robert, Ponchatoula, Mandeville, Covington, Lacombe, Slidell, New Orleans, East New Orleans, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 547 PM CDT Wed Mar 31 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THURSDAY... * WHAT...North winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...All of coastal Mississippi and all of Southeast Louisiana along and south of I-12 and east of a Denham Springs to Pierre Part line. * WHEN...From 6 PM Wednesday to 8 AM CDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. A Wind Advisory means that winds of 26 to 39 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
558 WWUS74 KLIX 010330 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 1030 PM CDT Wed Mar 31 2021 LAZ046>050-056>061-063>070-072-075>078-MSZ080>082-011130- /O.CON.KLIX.WI.Y.0005.000000T0000Z-210401T1300Z/ Iberville-West Baton Rouge-East Baton Rouge-Ascension-Livingston- Assumption-St. James-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-Southern Tangipahoa- Northwest St. Tammany-Southeast St. Tammany-Western Orleans- Eastern Orleans-Hancock-Harrison-Jackson- 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, Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, 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, Mandeville, Covington, Lacombe, Slidell, New Orleans, East New Orleans, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 1030 PM CDT Wed Mar 31 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THURSDAY... * WHAT...North winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...All of coastal Mississippi and all of Southeast Louisiana along and south of I-12 and east of a Denham Springs to Pierre Part line. * WHEN...From 6 PM Wednesday to 8 AM CDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
588 WWUS74 KLIX 010859 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 359 AM CDT Thu Apr 1 2021 LAZ046>050-056-057-072-075-076-011000- /O.CAN.KLIX.WI.Y.0005.000000T0000Z-210401T1300Z/ Iberville-West Baton Rouge-East Baton Rouge-Ascension-Livingston- Assumption-St. James-Southern Tangipahoa-Northwest St. Tammany- Southeast St. Tammany- Including the cities of Bayou Sorrel, Plaquemine, White Castle, Port Allen, Addis, Brusly, Baton Rouge, Gonzales, Donaldsonville, Prairieville, Denham Springs, Watson, Walker, Pierre Part, Labadieville, Paincourtville, Convent, Lutcher, Gramercy, Hammond, Robert, Ponchatoula, Mandeville, Covington, Lacombe, and Slidell 359 AM CDT Thu Apr 1 2021 ...WIND ADVISORY IS CANCELLED... Winds are expected to be 10 to 20 mph with higher gusts today. $$ LAZ058>061-063>070-077-078-MSZ080>082-011600- /O.EXT.KLIX.WI.Y.0005.000000T0000Z-210401T1600Z/ 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-Western Orleans- Eastern Orleans-Hancock-Harrison-Jackson- Including the cities of Laplace, Reserve, Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, 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, New Orleans, East New Orleans, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 359 AM CDT Thu Apr 1 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 11 AM CDT THIS MORNING... * WHAT...North winds 15 to 30 mph with gusts up to 40 mph expected. * WHERE...All of coastal Mississippi and all of Southeast Louisiana along and south of I-12 and east of a Denham Springs to Pierre Part line. * WHEN...Until 11 AM CDT this morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 9:26 AM CDT | Gale Watch | LIX | 19 hr | |
| Mar 30, 10:43 AM CDT | Wind Advisory | LIX | Assumption, Saint Bernard, Saint James, Saint John the Baptist | 81 min |
| Mar 30, 2:30 PM CDT | Special Weather Statement | LIX | Pearl River | 45 min |
Nearby
Wind Advisories in Louisiana, 2021Wind Advisories in Mississippi, 2021Every wind advisory in 2021
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.