Alert archive / Louisiana / Dense Fog Advisories in 2021

Dense Fog Advisory 32, NWS Lake Charles, LA

November 18, 20218 parishes in Louisiana; Jasper County, Newton County, Texas

NWS Lake Charles, LA issued this dense fog advisory at Nov 18, 2021, 3:42 AM CST for 8 parishes in Louisiana; Jasper County, Newton County, Texas. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Nov 18, 2021, 3:42 AM CST (09:42 UTC)
Expired
Nov 18, 2021, 9:00 AM CST
In force
5 hr
Issued by
NWS Lake Charles, LA

Counties Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Vernon Parish, LA, Jasper County, TX, Newton County, TX

The radar

The Ft Polk radar (KPOE), 47 km from the middle of the area, began a volume at 09:44 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.

What forecasters said that day

The local office's own words before this dense fog advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this dense fog advisory went out at Nov 17, 11:57 PM CST, 3 hours 45 minutes earlier.

Area forecast discussion, Nov 17, 11:57 PM CST, 3 hours 45 minutes before
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Hazardous weather outlook, Nov 17, 3:32 PM CST, 12 hours 10 minutes before
Hazardous Weather Outlook
National Weather Service Lake Charles LA
332 PM CST Wed Nov 17 2021

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-182145-
Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry-
Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin-
Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-East Cameron-
Tyler-Hardin-Jefferson-Orange-Northern Jasper-Northern Newton-
Southern Jasper-Southern Newton-
332 PM CST Wed Nov 17 2021

This Hazardous Weather Outlook is for central Louisiana, south
central Louisiana, southwest Louisiana, west central Louisiana and
southeast Texas.

.DAY ONE...Tonight.
Clouds to move into the region overnight as a cold front approaches
from the northwest. Look for scattered showers and maybe an isolated
thunderstorms ahead of the front. The front moves through around
sunrise tomorrow. Winds becoming northwest.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
A clear and cool weekend on tap with a gradual warmup late in the
weekend. The next frontal system is expected through during the day
on Monday with a few showers.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ430-432-435-450-452-455-470-472-475-182145-
Sabine Lake-Calcasieu Lake-Vermilion Bay-
Coastal waters from Cameron LA to High Island TX out 20 NM-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
Coastal waters from Lower Atchafalaya River to Intracoastal City LA
out 20 NM-Waters from Cameron LA to High Island TX from 20 to 60 NM-
Waters from Intracoastal City to Cameron LA from 20 to 60 NM-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
332 PM CST Wed Nov 17 2021

This Hazardous Weather Outlook is for the Gulf of Mexico and the
coastal lakes and bays of the Gulf of Mexico.

.DAY ONE...Tonight.
Clear with moderate southerly winds through the overnight hours. Seas
will remain elevated generally 20 to 60 miles off the coast.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
A cold front moves through on Thursday morning with winds becoming
northwest and seas building by the late morning hours. A Small Craft
Advisory maybe be issued to tomorrow morning late. Winds and seas
taper off on Friday into Saturday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 17, 9:39 PM CSTSmall Craft AdvisoryLCH38 hr
Nov 18, 3:44 AM CSTMarine Dense Fog AdvisoryLCH5 hr

Nearby

Dense Fog Advisories in Louisiana, 2021Dense Fog Advisories in Texas, 2021Every dense fog 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; radar from the NEXRAD Level II archive.