Alert archive / Louisiana / Wind Advisories in 2020
Wind Advisory 21, NWS Lake Charles, LA
NWS Lake Charles, LA issued this wind advisory at Dec 30, 2020, 12:48 PM CST for Cameron Parish, Lafayette Parish, Saint Martin Parish, Louisiana. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 30, 2020, 12:48 PM CST (18:48 UTC)
- Expired
- Dec 30, 2020, 5:00 PM CST
- In force
- 4 hr
- Issued by
- NWS Lake Charles, LA
Counties Cameron Parish, LA, Lafayette Parish, LA, Saint Martin Parish, LA
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 6.8 hours before the alert went out and 88 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
- 166 J/kg
- Mixed-layer CIN
- -242 J/kg
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
208 WWUS74 KLCH 301848 NPWLCH URGENT - WEATHER MESSAGE National Weather Service Lake Charles LA 1248 PM CST Wed Dec 30 2020 LAZ041>045-052>055-073-074-TXZ215-216-302300- /O.NEW.KLCH.WI.Y.0021.201230T1848Z-201230T2300Z/ Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin- Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron- East Cameron-Jefferson-Orange- Including the cities of Lake Charles, Sulphur, Hathaway, Jennings, Topsy, Roanoke, Welsh, Lake Arthur, Crowley, Rayne, Branch, Church Point, Richard, Lafayette, Breaux Bridge, Cade, St. Martinville, Abbeville, Intracoastal City, Meaux, Forked Island, Kaplan, New Iberia, Morgan City, Burns Point, Centerville, Franklin, Patterson, Berwick, Bayou Vista, Stephensville, Hackberry, Johnson Bayou, Grand Lake, Klondike, Cameron, Creole, Grand Chenier, Rutherford Beach, Beaumont, Sabine Pass, Sea Rim State Park, Orange, Vidor, and Bridge City 1248 PM CST Wed Dec 30 2020 ...WIND ADVISORY IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... * WHAT...South winds 15 to 20 MPH with gusts to around 30 MPH. * WHERE...Portions of south central and southwest Louisiana and southeast Texas. * WHEN...Until 5 PM CST 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. && $$
1 follow-up statement
127 WWUS74 KLCH 302007 NPWLCH URGENT - WEATHER MESSAGE National Weather Service Lake Charles LA 207 PM CST Wed Dec 30 2020 LAZ041>045-052>055-073-074-TXZ215-216-310415- /O.NEW.KLCH.WI.Y.0022.201231T1600Z-210101T0000Z/ /O.CON.KLCH.WI.Y.0021.000000T0000Z-201230T2300Z/ Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin- Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron- East Cameron-Jefferson-Orange- Including the cities of Lake Charles, Sulphur, Hathaway, Jennings, Topsy, Roanoke, Welsh, Lake Arthur, Crowley, Rayne, Branch, Church Point, Richard, Lafayette, Breaux Bridge, Cade, St. Martinville, Abbeville, Intracoastal City, Meaux, Forked Island, Kaplan, New Iberia, Morgan City, Burns Point, Centerville, Franklin, Patterson, Berwick, Bayou Vista, Stephensville, Hackberry, Johnson Bayou, Grand Lake, Klondike, Cameron, Creole, Grand Chenier, Rutherford Beach, Beaumont, Sabine Pass, Sea Rim State Park, Orange, Vidor, and Bridge City 207 PM CST Wed Dec 30 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... ...WIND ADVISORY IN EFFECT FROM 10 AM TO 6 PM CST THURSDAY... * WHAT...For the first Wind Advisory, southeast winds 10 to 15 mph with gusts around 30 mph. For the second Wind Advisory, southeast winds 15 to 25 mph with gusts up to 35 mph expected. * WHERE...Portions of south central and southwest Louisiana and southeast Texas. * WHEN...For the first Wind Advisory, until 5 PM CST this afternoon. For the second Wind Advisory, from 10 AM to 6 PM CST Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ LAZ027>033-TXZ201-261-262-310415- /O.NEW.KLCH.WI.Y.0022.201231T1600Z-210101T0000Z/ Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry- Hardin-Southern Jasper-Southern Newton- Including the cities of Fort Polk, Pickering, Leesville, Slagle, Alexandria, Pineville, Effie, Marksville, Bunkie, Cottonport, Simmesport, Mansura, Bundick Lake, De Ridder, Fields, Oretta, Oakdale, Kinder, Ville Platte, Beaver, St. Landry, Mamou, Reddell, Lawtell, Opelousas, Eunice, Lumberton, Silsbee, Gist, Buna, Evadale, and Deweyville 207 PM CST Wed Dec 30 2020 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 6 PM CST THURSDAY... * WHAT...Southeast winds 15 to 20 mph expected with gusts around 30 mph. * WHERE...In Louisiana, Vernon, Rapides, Avoyelles, Beauregard, Allen, Evangeline and St. Landry Counties. In Texas, Hardin, Southern Jasper and Southern Newton Counties. * WHEN...From 10 AM to 6 PM CST 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. && $$
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 30, 2:07 PM CST | Wind Advisory | LCH | Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more | 31 hr |
| Dec 30, 2:10 PM CST | Small Craft Advisory | LCH | 40 hr |
Nearby
Wind Advisories in Louisiana, 2020Wind Advisories in Texas, 2020Every wind advisory in 2020
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.