Alert archive / Louisiana / Wind Advisories in 2021
Wind Advisory 12, NWS New Orleans, LA
NWS New Orleans, LA issued this wind advisory at Sep 22, 2021, 9:03 AM CDT for Orleans Parish, Saint Bernard Parish, Louisiana. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Sep 22, 2021, 9:03 AM CDT (14:03 UTC)
- Expired
- Sep 22, 2021, 7:00 PM CDT
- In force
- 10 hr
- Issued by
- NWS New Orleans, LA
Counties Orleans Parish, LA, Saint Bernard Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 2.1 hours before the alert went out and 35 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
- 195 J/kg
- Mixed-layer CIN
- -227 J/kg
- Mixed-layer LCL
- 739 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
676 WWUS74 KLIX 221403 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 903 AM CDT Wed Sep 22 2021 LAZ060-061-063-064-070-077-078-222215- /O.NEW.KLIX.WI.Y.0012.210922T1403Z-210923T0000Z/ St. Charles-Upper Jefferson-Upper Plaquemines-Upper St. Bernard- Lower St. Bernard-Western Orleans-Eastern Orleans- Including the cities of Destrehan, Norco, Metairie, Kenner, Belle Chasse, Chalmette, Violet, Yscloskey, New Orleans, and East New Orleans 903 AM CDT Wed Sep 22 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...North winds 15 to 25 mph with gusts up to 30 mph. * WHERE...St. Charles, Upper Jefferson, Upper Plaquemines, Upper St. Bernard, Lower St. Bernard, Western Orleans and Eastern Orleans Parishes. * WHEN...Until 7 PM CDT this evening. * 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. && $$
1 follow-up statement
589 WWUS74 KLIX 222030 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 330 PM CDT Wed Sep 22 2021 LAZ060-061-063-064-070-077-078-230000- /O.CON.KLIX.WI.Y.0012.000000T0000Z-210923T0000Z/ St. Charles-Upper Jefferson-Upper Plaquemines-Upper St. Bernard- Lower St. Bernard-Western Orleans-Eastern Orleans- Including the cities of Destrehan, Norco, Metairie, Kenner, Belle Chasse, Chalmette, Violet, Yscloskey, New Orleans, and East New Orleans 330 PM CDT Wed Sep 22 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...North winds 15 to 25 mph with gusts up to 30 mph. * WHERE...St. Charles, Upper Jefferson, Upper Plaquemines, Upper St. Bernard, Lower St. Bernard, Western Orleans and Eastern Orleans Parishes. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 8:46 PM CDT | Small Craft Advisory | LIX | 39 hr |
Nearby
Wind Advisories in Louisiana, 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.