Tropical Storm Ida Briefing August 27, 2021 At 11 AM
Click HERE for an update concerning Tropical Storm Ida.
Changes from the last update:
- A slight shift in the forecast track to the west.
- Added a Flash Flood Watch for today as very heavy rain is coming in off of the Gulf of Mexico (additional Flash Flood Watches will likely be issued later)
- Tropical Depression Nine will continue northwest with strengthening expected before entering the Southeastern Gulf late Friday or early Saturday.
- This system is expected to continue northwest and is currently forecast to impact portions of the northern Gulf coast Sunday through early Monday.
- Hurricane-force winds (>74mph) will be possible for our entire area
- Strong hurricane-force winds (>110mph) will be possible for portions of our area, including Metro New Orleans, Metro Baton Rouge and all coastal LA parishes
- Storm Surge values have increased since the last advisory
- 7-11ft of inundation from Morgan City to Ocean Springs
- 4-7ft of inundation Ocean Springs to the AL border
- 4-6ft of inundation Lake Pontchartrain
- 3-5ft of inundation Lake Maurepas
- 8-16" of rain is possible across our forecast area with isolated higher amounts of 20" possible
- The heaviest rainfall will be possible Sunday and Monday
- There is a risk of weak/short-lived tornadoes across SE LA and S MS
The attached briefing highlights the threats associated with this system.
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
Next Update and Contact Information:
The next update will be following the 4 PM CDT NHC update, earlier if there are any significant changes.
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 firstname.lastname@example.org. Both methods will be delivered to the forecasters on shift at the office.
LIX New Orleans/Baton Rouge, LA