Alert archive / Louisiana / Special Marine Warnings in 2021

Special Marine Warning 161, NWS New Orleans, LA

April 17, 2021

NWS New Orleans, LA issued this special marine warning at Apr 17, 2021, 6:14 PM CDT. It was in force for 61 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
Apr 17, 2021, 6:14 PM CDT (23:14 UTC)
Expired
Apr 17, 2021, 7:15 PM CDT
In force
61 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
0.0 in
Wind
40.0 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 New Orleans, LA wrote its last area forecast discussion before this special marine warning went out at Apr 17, 4:38 PM CDT, 1 hour 36 minutes earlier.

Area forecast discussion, Apr 17, 4:38 PM CDT, 1 hour 36 minutes before
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In the hours before

Special weather statement, Apr 17, 12:39 PM CDT, 5 hours 35 minutes before
Special Weather Statement
National Weather Service New Orleans LA
1239 PM CDT Sat Apr 17 2021

LAZ059-065>067-171815-
Lower Terrebonne-Upper Terrebonne-Lower Lafourche-Upper Lafourche-
1239 PM CDT Sat Apr 17 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN TERREBONNE AND
NORTH CENTRAL LAFOURCHE PARISHES...

At 1239 PM CDT, a strong thunderstorm was located near Houma, moving
northeast at 35 mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Houma, Larose, Lockport, Mathews, Raceland, Bayou Cane and Des
Allemands.

LAT...LON 2947 9083 2957 9088 2981 9053 2957 9035
TIME...MOT...LOC 1739Z 247DEG 30KT 2954 9079

MEFFER

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 16, 7:36 PM CDTSpecial Weather StatementLIXLivingston54 min
Apr 16, 8:16 PM CDTSpecial Weather StatementLIXSaint Tammany74 min
Apr 16, 8:19 PM CDTSpecial Marine WarningLIX27 min
Apr 16, 9:10 PM CDTSpecial Marine WarningLIX38 min
Apr 16, 11:46 PM CDTFlash Flood WarningLIXEast Baton Rouge, Livingston, Saint Helena, Tangipahoa3 hr
Apr 17, 1:11 AM CDTSpecial Marine WarningLIX64 min
Apr 17, 2:23 AM CDTSpecial Marine WarningLIX22 min
Apr 17, 4:05 AM CDTSmall Craft AdvisoryLIX24 hr
Apr 17, 11:57 AM CDTAreal Flood AdvisoryLIXAssumption, Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard and 4 more3 hr
Apr 17, 12:15 PM CDTRiver Flood WarningLIXLivingston46 hr
Apr 17, 12:39 PM CDTSpecial Weather StatementLIXLafourche36 min
Apr 17, 1:25 PM CDTFlash Flood WarningLIXJefferson, Orleans, Plaquemines, Saint Bernard3 hr
Apr 17, 4:55 PM CDTSpecial Marine WarningLIX65 min
Apr 17, 5:13 PM CDTSpecial Marine WarningLIX62 min
Apr 16, 8:57 PM CDTSpecial Weather StatementLIXHancock, Harrison63 min
Apr 17, 2:33 PM CDTAreal Flood AdvisoryLIXHancock, Harrison, Jackson117 min

Nearby

Special Marine Warnings in Louisiana, 2021Every 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.