Alert archive / Louisiana / Wind Advisories in 2021

Wind Advisory 14, NWS Lake Charles, LA

October 29, 2021Cameron Parish, Louisiana

NWS Lake Charles, LA issued this wind advisory at Oct 29, 2021, 3:22 AM CDT for Cameron Parish, Louisiana. It took effect at Oct 29, 2021, 10:00 AM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Oct 29, 2021, 3:22 AM CDT (08:22 UTC)
In effect from
Oct 29, 2021, 10:00 AM CDT
Expired
Oct 29, 2021, 4:00 PM CDT
In force
6 hr
Issued by
NWS Lake Charles, LA

County Cameron Parish, LA

The radar

The Lake Charles radar (KLCH), 31 km from the middle of the area, began a volume at 08:25 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 00:00Z, 8.4 hours before the alert went out and 30 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 00:00Z on 2021-10-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2021-10-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
11 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
2660 m above ground
0-6 km bulk shear
99 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

189 
WWUS74 KLCH 290822
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
322 AM CDT Fri Oct 29 2021

LAZ052>054-073-074-TXZ215-292100-
/O.NEW.KLCH.WI.Y.0014.211029T1500Z-211029T2100Z/
Vermilion-Iberia-St. Mary-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, 
Hackberry, Johnson Bayou, Grand Lake, Klondike, Cameron, Creole, 
Grand Chenier, Rutherford Beach, Beaumont, Sabine Pass, 
and Sea Rim State Park
322 AM CDT Fri Oct 29 2021

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 PM CDT
THIS AFTERNOON...

* WHAT...Northwest winds around 20 mph with gusts up to 30 mph 
  expected.

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

* WHEN...From 10 AM this morning to 4 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.

&&

$$
1 follow-up statement
586 
WWUS74 KLCH 291420
NPWLCH

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
920 AM CDT Fri Oct 29 2021

LAZ052>054-073-074-TXZ215-292100-
/O.CON.KLCH.WI.Y.0014.211029T1500Z-211029T2100Z/
Vermilion-Iberia-St. Mary-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, 
Hackberry, Johnson Bayou, Grand Lake, Klondike, Cameron, Creole, 
Grand Chenier, Rutherford Beach, Beaumont, Sabine Pass, 
and Sea Rim State Park
920 AM CDT Fri Oct 29 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Northwest winds around 20 mph with gusts up to 30 mph 
  expected.

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

* WHEN...From 10 AM this morning to 4 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.

&&

$$

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 29, 3:21 AM CDTLow Water AdvisoryLCH16 hr
Oct 29, 3:21 AM CDTSmall Craft AdvisoryLCH28 hr

Nearby

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