News & Updates for Tangipahoa Parish

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Potential Tropical Cyclone Three Update June 17, 2021 at 10PM

Click HERE for the latest update on Potential Tropical Cyclone Three.

Changes from the previous update: 

  • No changes.


Potential Tropical Cyclone Three is forecast to move north with an eventual northeastward turn towards the Louisiana coastline. Slow strengthening is expected with this system once it makes landfall as a tropical storm. The main threats associated with this continue to be heavy rainfall and minor coastal flooding.


  • Potential Tropical Cyclone Three is expected in the northern Gulf Coast region starting Friday through the weekend.
  • Heavy rainfall is the greatest threat with 6-10 inches of rain forecast across portions of the area and locally higher amounts possible.
  • Minor coastal flooding with 1-3ft of inundation along the open coast and 1-2ft of inundation along the lakeshore, with peak water levels Friday evening/Friday night.
  • Gusty winds of 35-40 mph inside any rain bands Friday through the weekend.
  • A few tornadoes possible Friday and Saturday.
  • Dangerous marine conditions expected across the coastal waters.

The attached briefing below and hyperlink above highlights the threats associated with Potential Tropical Cyclone Three.


Additional Information and Resources:

NWS New Orleans Website:

NWS New Orleans DSS Website:

NWS New Orleans Tropical Page:

River Gauges and Forecasts:

NWS New Orleans Facebook:

NWS New Orleans Twitter:

Online Severe Weather Reporting:

National Hurricane Center Website:

Next Update and Contact Information:

The next update will be sent following the 4 AM Advisory.

If you have any questions in the interim or need additional information, please do not hesitate to contact us.  We can be reached by phone at 504-522-7330 or 985-649-0429.  Use extension 4 to speak with a forecaster.  Alternatively, you can reach us by email by replying to this message or sending an email to Both methods will be delivered to the forecasters on shift at the office.

Kevin Gilmore
LIX New Orleans/Baton Rouge, LA
National Weather Service
62300 Airport Road
Slidell, LA 70460

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