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New Sea Level Rise Projections

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And Miami-Dade’s new idea

The latest sea level rise estimates are out from NOAA and they don’t look good, especially along Florida’s Gulf Coast; Miami-Dade County is contemplating a new minimum height for buildings and roads; and how this current period of more severe weather could push flood losses in the U.S. to $40 billion in the next 30 years.  It’s all in this week’s Flood Digest.

Rising Sea Levels: The National Oceanic and Atmospheric Administration (NOAA) is out with its 2022 Sea Level Rise Technical Report with updated projections for all U.S. coastal waters through 2150.  The report concludes that sea level along the U.S. coast is projected to rise 10-12 inches on average from 2020-2050, which is about how much it rose over the last 100 years.  The Gulf Coast will have the largest increase of all coasts with an estimated 14”-18” rise.  Tide and storm surge heights are also projected to increase and reach further inland, creating more than 10 times the number of “moderate” (typically damaging) flooding events.  The report includes information to help communities assess potential changes in average tide heights and height-specific threshold frequencies as they strive to adapt to sea level rise.

Miami Beach Flooding, October 29, 2012. Courtesy City of Miami Beach

How Miami-Dade is Reacting: Miami-Dade County’s Division of Environmental Resources Management has been looking at reports like NOAA’s and are now proposing changes to help make the county more flood resilient.  They want to increase the minimum elevation from its current 3.45 feet to 6 feet for everything from roads to sea walls to vacant lots awaiting new construction.  Most lots already meet or come close to that height, but those that don’t are susceptible to flooding from a projected 10 year storm event by 2060.  The plan is expected to be presented to the county commission later this year and would only apply to new construction or major renovations.  It would be the rule for all unincorporated areas of the county and in any municipality that uses the county’s flood criteria in its code, which is about a third of the municipalities in the county, including the city of Miami.  You can read more in the Miami Herald.

More Flooding, More Insurance Losses: A research team led by the University of Bristol has concluded that this period of climate change could increase annual flood losses in the U.S. by 26.4%, from their current $32 billion to $40.6 billion in less than 30 years.  The estimates include damage to homes, businesses and content. The report is based on flood models and national property asset data.  Researchers say they found the most danger is currently in poorer communities and that future increased risk will have a greater impact on African American communities on the Atlantic and Gulf Coasts.   

See you on the trail,
Lisa

LMA Newsletter of 2-21-22

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Tags: 2022 Sea Level Rise Technical Report, Flood Insurance, Flood risks, Flooding, Miami-Dade Flooding, NOAA, Sea Level Rise, Sunny Day Flooding, U.S. Flood Control, Urban flooding

“Lisa this is another great newsletter, and we appreciate the time and energy you put into these informative updates – you are on top of these topics!”

Mike Graham, CEO
Smart Vent Products, Floodproofing.com, & Risk Reduction Plus
Juno Beach, FL

“Your newsletter is fabulous!  I greatly appreciate the topics you expose, so that insurance professionals like myself can keep up with the latest events that affect the public we serve and ourselves.”

Cynthia Hoehn, Independent Property & Casualty Personal Lines insurance agent
Clermont, FL

“Another great Newsletter on Florida industry this week.  Your service and advocacy in Florida is very important to keeping me updated and apprised of the Florida insurance laws, trends and overall environment.  Something similar is very much needed in Louisiana, too.”

Jennifer Tedesco, Esq., Claims Director
Pharos Claims Services
Orlando, FL

“I have followed your weekly newsletter and podcasts and now have a full appreciation for what you bring to this industry.  You are an inspiring force, plain and simple.  I wanted you to know that you make a difference.  Thank you for all you do!”

Jeffrey Karam, CPCU
Bradenton, FL

“Great article on Risk Rating 2.0!”

Austin Perez, Senior Policy Representative for Federal Housing, Valuation, Insurance and Commercial Issues
National Association of Realtors
Washington, D.C.

“Lisa Miller is a true champion for the insurance industry, with her regular updates! We appreciate all you do and keeping us up to date on priority issues!”

Gillian Lloyd, Account Executive
Zywave
Milwaukee, WI

“Thank you Lisa for staying on top of, as well as advocating, for Florida residents and legislative reform. Your newsletters are very informative and enjoy reading the points of view.”  

Shawna Miller, Sr. Claims Quality Assurance & Compliance Manager
Florida Peninsula Insurance Company
Jacksonville, FL

“Just a quick note to let you know how much I have appreciated your newsletter over the years and the assistance they offer for those in the field of claims. We depend on the information more than you will ever know!”

Laurie Rasberry, Chief Claims Officer
Acorn Claims
Prosper, Texas

“Just wanted to say that I thoroughly love your newsletter. It’s is always informative and insightful to the ins and outs of our industry.  You are an inspiration and an important asset in the insurance world.  Keep up the great work!” 

Cynthia Scott, President
University Insurance Group
Davie, FL

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