Hurricane Ida Briefing 8/27/21 At 5 PM
Click HERE for an update concerning Hurricane Ida
Changes from the last update:
- Increase to Category 4 with 140 mph at landfall..
- Increase in storm surge to 10 to 15 ft for areas west of the MS River.
- Hurricane Ida 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
- 10-15ft of inundation from Morgan City of Mouth of the MS River.
- 7-11ft of inundation from Mouth of the MS River to Ocean Springs
- 4-7ft of inundation Ocean Springs to the AL border
- 4-7ft 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