Tropical Updates

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Hurricane Laura Update - Thursday August 27, 10:30 am

Click HERE to see the 10 AM Hurricane Laura Slides.

Here is an update concerning Hurricane Laura. 

Changes from previous update: 

  • Storm Surge Warning has been replaced by Coastal Flood Advisory for areas east of Port Fourchon
  • Otherwise, no significant changes


Hurricane Laura continues to weaken as it moves farther inland, but trailing bands will continue to result in minor to moderate impacts to SE LA and S MS today.



  • A flash flood watch is in effect through 7pm today

  • There is a potential for heavy rainfall if/where any of Laura's outer bands track

  • Expect ponding of water in low lying areas and some potential for localized flash flooding

Storm Surge:

  • Ongoing surge will continue today but levels will gradually begin to lower later today through Friday
  • Expect low-lying, coastal roads to remain flooded and several may remain impassable through tonight
  • Some areas will remain cut off or inaccessible

Wind and Tornado: 

  • Tropical storm force wind gusts, and fast-moving, short-lived tornadoes will continue to be possible in Laura's trailing bands
  • These winds could result in minor damage mainly to trees, powerlines, and weaker structures.  A few trees may fall and block roadways or damage structures
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The attached briefing below highlights the threats associated with this system.

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 after the 1pm intemediate advisory for use during the 2pm weekly webinar.  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.

Danielle Manning
NWS New Orleans/Baton Rouge

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CategoryEmergency Updates

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