News & Updates for Tangipahoa Parish

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All Clear And Ongoing Impacts Briefing May 21, 2021

There is no longer a threat for impactful heavy rainfall or severe weather.

Click HERE for an update concerning lingering coastal flooding, river flooding, and wind impacts today. Changes from previous update:

  • Flash Flood Watch has expired; Heavy Rain threat is diminished

  • No major changes to the MEDIUM (60%) chance of tropical cyclone development over the next 5 days in the western Gulf.

  • Western St. Tammany Parish has been upgraded from Coastal Flood Advisory to a Coastal Flood Warning

  • Coastal Flood Warning has been extended until 4PM Saturday CT


WHAT: Minor to Moderate Coastal Flooding
            Strong Winds

WHEN:  Tonight overnight into tomorrow for coastal flooding.

This afternoon and evening for strong winds WHERE: Along east and south facing shores of the coastal flooding. Across coastal parishes and counties for the strong winds. CONFIDENCE: 

  • We are confident that coastal flooding will persist through tomorrow morning. We are confident that strong gusty winds will continue through the early evening.


  • Inundation of 1 to 3 feet above ground level on east and south facing shores in areas where coastal flood warnings are in effect.

  • Low lying coastal roads and non-elevated structures could be flooded due to the coastal flooding.
  • East-Southeast winds of 20 to 30 mph with gusts to 40 mph.
  • Small branches could be torn loose and cause power outages and unsecured objects could be blown around.


Additional Information and Resources:

NWS New Orleans Website:

NWS New Orleans DSS Website:

River Gauges and Forecasts:

NWS New Orleans Facebook:

NWS New Orleans Twitter:

Online Weather Reporting:

Next Update and Contact Information:

The next update will be sent by 7AM CDT.  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.

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CategoryEmergency Updates

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