Alert archive / Louisiana / Wind Advisories in 2021
Wind Advisory 4, NWS New Orleans, LA
NWS New Orleans, LA issued this wind advisory at Mar 30, 2021, 10:43 AM CDT for 4 parishes in Louisiana. It took effect at Mar 31, 2021, 5:00 PM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Mar 30, 2021, 10:43 AM CDT (15:43 UTC)
- In effect from
- Mar 31, 2021, 5:00 PM CDT
- Expired
- Mar 30, 2021, 12:04 PM CDT
- In force
- Issued by
- NWS New Orleans, LA
Counties Assumption Parish, LA, Saint Bernard Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 3.7 hours before the alert went out and 86 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.
446 WWUS74 KLIX 301543 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 1043 AM CDT Tue Mar 30 2021 LAZ040-049-050-056>070-072-MSZ080>082-302345- /O.NEW.KLIX.WI.Y.0004.210331T2200Z-210401T1300Z/ St. Tammany-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, 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 1043 AM CDT Tue Mar 30 2021 ...WIND ADVISORY IN EFFECT FROM 5 PM WEDNESDAY TO 8 AM CDT THURSDAY... * WHAT...North winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Portions of southeast and southern Mississippi and southeast Louisiana. * WHEN...From 5 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. && $$
1 follow-up statement
306 WWUS74 KLIX 301704 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 1204 PM CDT Tue Mar 30 2021 LAZ040-049-050-056>070-072-MSZ080>082-301815- /O.CAN.KLIX.WI.Y.0004.210331T2200Z-210401T1300Z/ St. Tammany-Ascension-Livingston-Assumption-St. James- St. John The Baptist-Upper Lafourche-St. Charles-Upper Jefferson- Orleans-Upper Plaquemines-Upper St. Bernard-Upper Terrebonne- Lower Terrebonne-Lower Lafourche-Lower Jefferson- Lower Plaquemines-Lower St. Bernard-Southern Tangipahoa-Hancock- Harrison-Jackson- Including the cities of Slidell, Mandeville, Covington, Lacombe, Gonzales, Donaldsonville, Prairieville, Denham Springs, Watson, Walker, Pierre Part, Labadieville, Paincourtville, Convent, Lutcher, Gramercy, Laplace, Reserve, Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, East New Orleans, New Orleans, Belle Chasse, Chalmette, Violet, Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, Yscloskey, Hammond, Robert, Ponchatoula, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 1204 PM CDT Tue Mar 30 2021 ...WIND ADVISORY IS CANCELLED... Wind advisory will be reissued after the zone updates take place wihtin the next hour. $$ CAB
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, 2:11 PM CDT | Wind Advisory | LIX | Assumption, East Baton Rouge, Iberville, Orleans, Saint Bernard, Saint James and 3 more | 45 hr |
| 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.