Alert archive / Louisiana / Wind Advisories in 2021

Wind Advisory 7, NWS Lake Charles, LA

May 18, 2021Cameron Parish, Saint Martin Parish, Louisiana

NWS Lake Charles, LA issued this wind advisory at May 18, 2021, 1:57 PM CDT for Cameron Parish, Saint Martin Parish, Louisiana. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: May 18, 2021, 1:57 PM CDT (18:57 UTC)
Expired: May 19, 2021, 4:11 AM CDT
In force: 14 hr
Issued by: NWS Lake Charles, LA

Counties Cameron Parish, LA, Saint Martin Parish, LA

The radar

The Lake Charles radar (KLCH), 80 km from the middle of the area, began a volume at 18:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.0 hours before the alert went out and 78 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1216 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 540 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

931 
WWUS74 KLCH 181857
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
157 PM CDT Tue May 18 2021

LAZ052>055-073-074-TXZ215-190500-
/O.NEW.KLCH.WI.Y.0007.210518T1857Z-210520T0000Z/
Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-
East Cameron-Jefferson-
Including the cities of 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, and Sea Rim State Park
157 PM CDT Tue May 18 2021

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT WEDNESDAY...

* WHAT...Southeast winds 20 mph with gusts up to 30 mph.

* WHERE...In Louisiana, Vermilion, Iberia, St. Mary, Lower St. 
  Martin, West Cameron and East Cameron Parishes. In Texas, 
  Jefferson County.

* WHEN...Until 7 PM CDT Wednesday.

* 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.

&&

$$

2 follow-up statements

643 
WWUS74 KLCH 190235
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
935 PM CDT Tue May 18 2021

LAZ052>055-073-074-TXZ215-191500-
/O.CON.KLCH.WI.Y.0007.000000T0000Z-210520T0000Z/
Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-
East Cameron-Jefferson-
Including the cities of 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, and Sea Rim State Park
935 PM CDT Tue May 18 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY...

* WHAT...Southeast winds 20 mph with gusts up to 30 mph.

* WHERE...In Louisiana, Vermilion, Iberia, St. Mary, Lower St. 
  Martin, West Cameron and East Cameron Parishes. In Texas, 
  Jefferson County.

* WHEN...Until 7 PM CDT Wednesday.

* 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.

&&

$$

756 
WWUS74 KLCH 190911
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
411 AM CDT Wed May 19 2021

LAZ052>055-073-074-TXZ215-192100-
/O.CAN.KLCH.WI.Y.0007.000000T0000Z-210520T0000Z/
/O.NEW.KLCH.WI.Y.0008.210519T1500Z-210520T0000Z/
Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-
East Cameron-Jefferson-
Including the cities of 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, and Sea Rim State Park
411 AM CDT Wed May 19 2021

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING...

* WHAT...Southeast winds 15 to 20 mph with gusts to 30 mph expected.

* WHERE...In Louisiana, Vermilion, Iberia, St. Mary, Lower St. 
  Martin, West Cameron and East Cameron Parishes. In Texas, 
  Jefferson County.

* WHEN...From 10 AM this morning to 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 Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 17, 7:01 PM CDT	Flash Flood Warning	LCH	Lafayette	5 hr
May 17, 7:18 PM CDT	Tornado Warning	LCH	Iberia, Lafayette, Saint Martin	27 min
May 17, 7:19 PM CDT	Tornado Warning	LCH	Lafayette, Vermilion	26 min
May 17, 7:20 PM CDT	Flash Flood Warning	LCH	Vermilion	3 hr
May 17, 7:35 PM CDT	Areal Flood Warning	LCH	Acadia, Allen, Calcasieu, Evangeline, Jefferson Davis	6 hr
May 17, 7:40 PM CDT	Special Marine Warning	LCH		65 min
May 17, 7:46 PM CDT	Tornado Warning	LCH	Iberia, Vermilion	29 min
May 17, 8:22 PM CDT	Special Weather Statement	LCH	Saint Martin	38 min
May 17, 8:23 PM CDT	Flash Flood Warning Considerable damage threat	LCH	Iberia, Lafayette, Saint Martin, Vermilion	3 hr
May 17, 8:33 PM CDT	River Flood Warning	LCH	Lafayette, Saint Landry, Saint Martin	8 days
May 17, 8:33 PM CDT	River Flood Warning	LCH	Beauregard, Vernon	8 days
May 17, 8:33 PM CDT	River Flood Warning	LCH	Calcasieu	12 days
May 17, 8:33 PM CDT	River Flood Warning	LCH	Acadia, Evangeline, Saint Landry	5 days
May 17, 8:33 PM CDT	River Flood Warning	LCH	Allen, Rapides	21 days
May 17, 8:33 PM CDT	River Flood Warning	LCH	Acadia, Allen, Evangeline, Jefferson Davis	8 days
May 17, 8:33 PM CDT	Special Marine Warning	LCH		87 min
May 17, 8:53 PM CDT	Special Weather Statement	LCH	Saint Martin, St. Mary	52 min
May 17, 9:49 PM CDT	Special Weather Statement	LCH	Iberia, St. Mary	56 min
May 17, 9:54 PM CDT	Special Marine Warning	LCH		96 min
May 17, 11:08 PM CDT	Areal Flood Warning	LCH	Vermilion	3 hr
May 17, 11:44 PM CDT	Areal Flood Warning	LCH	Iberia, Lafayette, Saint Martin, Vermilion	3 hr
May 18, 12:24 AM CDT	Special Marine Warning	LCH		66 min
May 18, 1:40 AM CDT	Areal Flood Warning	LCH	Acadia, Calcasieu, Jefferson Davis	5 hr
May 18, 1:48 AM CDT	Small Craft Advisory	LCH		5 days
May 18, 2:25 AM CDT	Areal Flood Warning	LCH	Iberia, Lafayette, Saint Landry, Saint Martin, Vermilion	6 hr
May 18, 2:25 AM CDT	Special Marine Warning	LCH		50 min
May 18, 7:00 AM CDT	Areal Flood Warning	LCH	Calcasieu, Jefferson Davis	3 hr
May 18, 7:54 AM CDT	Areal Flood Warning	LCH	Iberia, Lafayette, Saint Martin, Vermilion	2 hr
May 18, 9:47 AM CDT	Special Marine Warning	LCH		58 min
May 18, 11:06 AM CDT	River Flood Warning	LCH	Allen, Beauregard	21 days
May 18, 11:56 AM CDT	River Flood Warning	LCH	Calcasieu	10 days
May 18, 1:25 PM CDT	Special Marine Warning	LCH		65 min
May 18, 1:42 PM CDT	Coastal Flood Advisory	LCH	Cameron	8 hr
May 17, 8:33 PM CDT	River Flood Warning	LCH	Hardin, Jasper, Jefferson, Orange	8 days
May 17, 8:34 PM CDT	Areal Flood Warning	LCH	Jefferson	6 hr
May 18, 2:35 AM CDT	Areal Flood Warning	LCH	Jefferson	5 hr
May 18, 7:58 AM CDT	Areal Flood Warning	LCH	Jefferson	2 hr

Nearby

Wind Advisories in Louisiana, 2021 Wind Advisories in Texas, 2021 Every 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; radar from the NEXRAD Level II archive.