Tropical Updates

SuperUser Account

Tropical Storm Marco and Tropical Storm Laura Update - August 22, 10am

Here is an update concerning Tropical Storm Marco and Tropical Storm Laura.
 

Changes from previous update: 

  • TS Marco's track has shifted to the north and the intensity forecast has increased as well, leading to impacts being more likely across the local area

  • TS Laura's forecast track and intensity remain largely unchanged

Overview:


Tropical Storm Marco and Tropical Storm Laura are now both expected to bring impacts to southeast Louisiana and south Mississippi during the Monday through Thursday time frame next week. The more significant impacts are currently expected to be associated with TS Laura during the Wednesday/Thursday time frame. Watches associated with TS Marco could be issued later today.

Confidence:

This is a very fluid situation and the forecast remains less certain than normal. Additional changes to expected impacts continue to be possible.
 

Impacts:

  • Gusty winds, heavy rainfall and mostly minor coastal flooding are possible Monday/Tuesday associated with TS Marco

  • More significant coastal flooding, heavy rainfall, and strong/damaging winds, are possible Wednesday/Thursday associated with TS Laura

The attached briefing highlights the threats associated with these systems in more detail.
 

Additional Information and Resources:

NWS New Orleans Website: www.weather.gov/neworleans

NWS New Orleans DSS Website: http://www.weather.gov/lix/embrief

NWS New Orleans Tropical Page: https://www.weather.gov/srh/tropical?office=lix

River Gauges and Forecasts: http://water.weather.gov/ahps2/index.php?wfo=lix

NWS New Orleans Facebook: www.facebook.com/NWSNewOrleans

NWS New Orleans Twitter: https://twitter.com/NWSNewOrleans

Online Severe Weather Reporting: https://www.weather.gov/lix/submit_storm_report

National Hurricane Center Website: https://www.nhc.noaa.gov/

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