Alert archive / Louisiana / Wind Advisories in 2021
Wind Advisory 6, NWS New Orleans, LA
NWS New Orleans, LA issued this wind advisory at Apr 1, 2021, 11:44 AM CDT for 6 parishes in Louisiana. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Apr 1, 2021, 11:44 AM CDT (16:44 UTC)
- Expired
- Apr 1, 2021, 5:00 PM CDT
- In force
- 5 hr
- Issued by
- NWS New Orleans, LA
Counties Assumption Parish, LA, Orleans Parish, LA, Saint Bernard Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Tammany Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 4.7 hours before the alert went out and 65 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
- 2351 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -361 m²/s²
- 0-3 km storm-relative helicity
- -105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
531 WWUS74 KLIX 011644 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 1144 AM CDT Thu Apr 1 2021 LAZ056>061-063>070-076>078-MSZ080>082-012200- /O.NEW.KLIX.WI.Y.0006.210401T1644Z-210401T2200Z/ 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-Southeast St. Tammany- Western Orleans-Eastern Orleans-Hancock-Harrison-Jackson- Including the cities of 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, Slidell, New Orleans, East New Orleans, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 1144 AM CDT Thu Apr 1 2021 ...WIND ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... * WHAT...North winds 15 to 25 mph with gusts up to 40 mph. * WHERE...Portions of southeast and southern Mississippi and southeast Louisiana. * WHEN...Until 5 PM CDT this afternoon. * 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. && $$
2 follow-up statements
271 WWUS74 KLIX 012023 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 323 PM CDT Thu Apr 1 2021 LAZ056-057-076-MSZ080>082-020430- /O.NEW.KLIX.FR.Y.0001.210402T0700Z-210402T1300Z/ /O.CON.KLIX.WI.Y.0006.000000T0000Z-210401T2200Z/ Assumption-St. James-Southeast St. Tammany-Hancock-Harrison- Jackson- Including the cities of Pierre Part, Labadieville, Paincourtville, Convent, Lutcher, Gramercy, Slidell, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 323 PM CDT Thu Apr 1 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM CDT FRIDAY... * WHAT...For the Frost Advisory, temperatures as low as 35 will result in frost formation. For the Wind Advisory, north winds 15 to 20 mph with gusts up to 35 mph. * WHERE...In Mississippi, Hancock, Harrison and Jackson Counties. In Louisiana, Assumption, St. James and Southeast St. Tammany Parishes. * WHEN...For the Frost Advisory, from 2 AM to 8 AM CDT Friday. For the Wind Advisory, until 5 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost could kill sensitive outdoor vegetation if left uncovered. A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. A Wind Advisory means that winds of 26 to 39 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. && $$ LAZ034>037-039-046>050-071-072-075-MSZ068>071-077-020430- /O.NEW.KLIX.FR.Y.0001.210402T0700Z-210402T1300Z/ Pointe Coupee-West Feliciana-East Feliciana-St. Helena-Washington- Iberville-West Baton Rouge-East Baton Rouge-Ascension-Livingston- Northern Tangipahoa-Southern Tangipahoa-Northwest St. Tammany- Wilkinson-Amite-Pike-Walthall-Pearl River- Including the cities of New Roads, Lettsworth, Livonia, Spillman, St. Francisville, Wakefield, Jackson, Clinton, Felps, Darlington, Easleyville, Greensburg, Montpelier, Bogalusa, Enon, Franklinton, Bayou Sorrel, Plaquemine, White Castle, Port Allen, Addis, Brusly, Baton Rouge, Gonzales, Donaldsonville, Prairieville, Denham Springs, Watson, Walker, Amite, Kentwood, Roseland, Wilmer, Hammond, Robert, Ponchatoula, Mandeville, Covington, Lacombe, Centreville, Dolorosa, Fort Adams, Woodville, Gillsberg, Gloster, Smithdale, Liberty, McComb, Dexter, Salem, Tylertown, Crossroads, McNeil, Poplarville, and Picayune 323 PM CDT Thu Apr 1 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM CDT FRIDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of southern Mississippi and southeast Louisiana. * WHEN...From 2 AM to 8 AM CDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ LAZ058>061-063>070-077-078-012200- /O.CON.KLIX.WI.Y.0006.000000T0000Z-210401T2200Z/ St. John The Baptist-Upper Lafourche-St. Charles-Upper Jefferson- Upper Plaquemines-Upper St. Bernard-Upper Terrebonne- Lower Terrebonne-Lower Lafourche-Lower Jefferson- Lower Plaquemines-Lower St. Bernard-Western Orleans- Eastern Orleans- Including the cities of Laplace, Reserve, Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, Belle Chasse, Chalmette, Violet, Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, Yscloskey, New Orleans, and East New Orleans 323 PM CDT Thu Apr 1 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... * WHAT...North winds 15 to 25 mph with gusts up to 35 mph. * WHERE...Portions of southeast and southern Mississippi and southeast Louisiana. * WHEN...Until 5 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
277 WWUS74 KLIX 012210 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 510 PM CDT Thu Apr 1 2021 LAZ056-057-076-MSZ080>082-021030- /O.EXP.KLIX.WI.Y.0006.000000T0000Z-210401T2200Z/ /O.CON.KLIX.FR.Y.0001.210402T0700Z-210402T1300Z/ Assumption-St. James-Southeast St. Tammany-Hancock-Harrison- Jackson- Including the cities of Pierre Part, Labadieville, Paincourtville, Convent, Lutcher, Gramercy, Slidell, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 510 PM CDT Thu Apr 1 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT FRIDAY... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...In Mississippi, Hancock, Harrison and Jackson Counties. In Louisiana, Assumption, St. James and Southeast St. Tammany Parishes. * WHEN...For the Frost Advisory, from 2 AM to 8 AM CDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ LAZ058>061-063>070-077-078-012315- /O.EXP.KLIX.WI.Y.0006.000000T0000Z-210401T2200Z/ St. John The Baptist-Upper Lafourche-St. Charles-Upper Jefferson- Upper Plaquemines-Upper St. Bernard-Upper Terrebonne- Lower Terrebonne-Lower Lafourche-Lower Jefferson- Lower Plaquemines-Lower St. Bernard-Western Orleans- Eastern Orleans- Including the cities of Laplace, Reserve, Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, Belle Chasse, Chalmette, Violet, Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, Yscloskey, New Orleans, and East New Orleans 510 PM CDT Thu Apr 1 2021 ...WIND ADVISORY HAS EXPIRED... The winds across the region have relaxed to speeds below advisory criteria. $$ LAZ034>037-039-046>050-071-072-075-MSZ068>071-077-021030- /O.CON.KLIX.FR.Y.0001.210402T0700Z-210402T1300Z/ Pointe Coupee-West Feliciana-East Feliciana-St. Helena-Washington- Iberville-West Baton Rouge-East Baton Rouge-Ascension-Livingston- Northern Tangipahoa-Southern Tangipahoa-Northwest St. Tammany- Wilkinson-Amite-Pike-Walthall-Pearl River- Including the cities of New Roads, Lettsworth, Livonia, Spillman, St. Francisville, Wakefield, Jackson, Clinton, Felps, Darlington, Easleyville, Greensburg, Montpelier, Bogalusa, Enon, Franklinton, Bayou Sorrel, Plaquemine, White Castle, Port Allen, Addis, Brusly, Baton Rouge, Gonzales, Donaldsonville, Prairieville, Denham Springs, Watson, Walker, Amite, Kentwood, Roseland, Wilmer, Hammond, Robert, Ponchatoula, Mandeville, Covington, Lacombe, Centreville, Dolorosa, Fort Adams, Woodville, Gillsberg, Gloster, Smithdale, Liberty, McComb, Dexter, Salem, Tylertown, Crossroads, McNeil, Poplarville, and Picayune 510 PM CDT Thu Apr 1 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT FRIDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of southern Mississippi and southeast Louisiana. * WHEN...From 2 AM to 8 AM CDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 4:04 AM CDT | Small Craft Advisory | LIX | 33 hr | |
| Apr 1, 3:23 PM CDT | Frost Advisory | LIX | Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Helena and 6 more | 17 hr |
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.