Alert archive / Louisiana / Special Marine Warnings in 2021

Special Marine Warning 104, NWS Lake Charles, LA

September 6, 2021

NWS Lake Charles, LA issued this special marine warning at Sep 6, 2021, 9:01 AM CDT. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 6, 2021, 9:01 AM CDT (14:01 UTC)
Expired: Sep 6, 2021, 10:00 AM CDT
In force: 59 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 34.0 mph

What forecasters said that day

The local office's own words before this special marine warning 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 special marine warning went out at Sep 6, 6:42 AM CDT, 2 hours 19 minutes earlier.

Area forecast discussion, Sep 6, 6:42 AM CDT, 2 hours 19 minutes before

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Hazardous weather outlook, Sep 6, 2:53 AM CDT, 6 hours 8 minutes before

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In the hours before

Special weather statement, Sep 6, 4:52 AM CDT, 4 hours 9 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
452 AM CDT Mon Sep 6 2021

LAZ028-029-032-033-061045-
St. Landry LA-Avoyelles LA-Evangeline LA-Rapides LA-
452 AM CDT Mon Sep 6 2021

...Strong thunderstorms will impact portions of eastern Rapides, east
central Evangeline, Avoyelles and northeastern St. Landry Parishes
through 545 AM CDT...

At 452 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Deville to Mansura to near Indian Lake.
Movement was southeast at 15 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Marksville, Bunkie, Simmesport, Melville, Moreauville, Palmetto,
Bordelonville, Bayou Current, Morrow, Effie, Cottonport, Mansura,
Hessmer, Evergreen, Plaucheville, Goudeau, Lake Ophelia National
Wildlife Refuge, Indian Lake, Whiteville and Big Cane.

This includes Interstate 49 between mile markers 29 and 50.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3133 9208 3134 9203 3132 9200 3128 9202
      3122 9199 3125 9196 3123 9192 3128 9195
      3130 9191 3119 9168 3114 9172 3105 9172
      3097 9181 3087 9180 3086 9182 3070 9173
      3056 9176 3074 9231 3110 9218 3147 9218
TIME...MOT...LOC 0952Z 303DEG 15KT 3139 9209 3107 9207 3076 9223

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

Landreneau

Special weather statement, Sep 6, 5:52 AM CDT, 3 hours 9 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
552 AM CDT Mon Sep 6 2021

LAZ028-029-032-033-061215-
St. Landry LA-Avoyelles LA-Evangeline LA-Rapides LA-
552 AM CDT Mon Sep 6 2021

...Strong thunderstorms will impact portions of eastern Rapides,
northeastern Evangeline, Avoyelles and northeastern St. Landry
Parishes through 715 AM CDT...

At 551 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Timber Trails to near Larto to near Marksville
to Whiteville. Movement was southeast at 5 mph.

HAZARD...Winds in excess of 30 mph and torrential rainfall

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Alexandria, Pineville, Marksville, Bunkie, Simmesport, Boyce,
Moreauville, Cheneyville, Palmetto, Bordelonville, Bayou Current,
Alexandria International Airport, Morrow, Effie, Ball, Cottonport,
Mansura, Hessmer, Evergreen and Plaucheville.

This includes Interstate 49 between mile markers 35 and 55, and
between mile markers 77 and 102.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways. Flash flood warnings may be required.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3140 9269 3139 9266 3147 9216 3133 9208
      3132 9200 3122 9199 3123 9192 3128 9195
      3130 9191 3120 9169 3107 9171 3097 9181
      3086 9182 3070 9174 3074 9230 3113 9229
      3131 9270 3149 9270 3150 9269
TIME...MOT...LOC 1051Z 304DEG 6KT 3142 9249 3134 9190 3112 9202 3080
9213

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

Landreneau

Special weather statement, Sep 6, 7:47 AM CDT, 1 hour 14 minutes before

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Special weather statement, Sep 6, 8:53 AM CDT, 8 minutes before

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Special weather statement, Sep 6, 8:58 AM CDT, 3 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 5, 9:20 PM CDT	Special Weather Statement	LCH	Rapides	25 min
Sep 5, 9:47 PM CDT	Special Weather Statement	LCH	Rapides	28 min
Sep 5, 11:34 PM CDT	Special Weather Statement	LCH	Allen, Evangeline	41 min
Sep 6, 4:52 AM CDT	Special Weather Statement	LCH	Avoyelles	53 min
Sep 6, 5:52 AM CDT	Special Weather Statement	LCH	Avoyelles	83 min
Sep 6, 6:12 AM CDT	Flash Flood Warning	LCH	Avoyelles, Rapides	4 hr
Sep 6, 7:47 AM CDT	Special Weather Statement	LCH	Allen, Beauregard, Calcasieu	58 min
Sep 6, 8:44 AM CDT	Flash Flood Warning	LCH	Allen, Beauregard, Calcasieu, Jefferson Davis	5 hr
Sep 6, 8:53 AM CDT	Special Weather Statement	LCH	Allen, Beauregard, Calcasieu, Jefferson Davis	67 min
Sep 6, 8:58 AM CDT	Special Weather Statement	LCH	Vermilion	62 min
Sep 6, 9:16 AM CDT	Special Marine Warning	LCH		44 min
Sep 6, 10:06 AM CDT	Special Marine Warning	LCH		54 min
Sep 6, 10:10 AM CDT	Special Weather Statement	LCH	Cameron, Vermilion	65 min
Sep 6, 10:17 AM CDT	Special Marine Warning	LCH		28 min
Sep 6, 10:58 AM CDT	Special Weather Statement	LCH	Cameron	47 min
Sep 6, 10:24 AM CDT	Special Weather Statement	LCH	Orange	36 min

Nearby

Special Marine Warnings in Louisiana, 2021 Every special marine warning 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.