HomeMy WebLinkAboutSupplemental Information Received at Meeting FEMA PowerPoint (2)FEMA Flood Risk Review Meeting CCSF
Ed Curtis, FEMA Region IX
May 8, 2017
RiskMAP
U.S. Congress established the NFIP with the
passage of the National Flood! Insurance Act of
1988
t. FEMA produces Flood Insurance Rate Maps
2. Communities adopt and enforce a floadplain
management ordinance to reduce flood nsk to
new and existing development in high nsk
noon zones
3. Federal government makes flood insurance
available to property owners in participating
communities
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Open Pacific Coast Study
5/8/2017
FEMA Flood Risk Review Meeting CCSF
RiskMAP
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Two Companion Large -Scale Efforts:
• Open Pacific Coast (OPC) Study
• San Francisco Bay Area Coastal (BAC) Study
Re -study Flood risk . Re -map the elevation
along the open coast and inland extent of
and inland bays of all wave - induced coastal
California coastal _ flooding
counties �.�
www r9coastal.org
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Phase t
Northern & Central California Coast
Phase 2
Soutnem Cahtan{s Coast
MIA
Open Pacific Coast Study
5/8/2017
FEMA Flood Risk Review Meeting CCSF
Components of the total water level (TWL)
• Tide: 5 -7 ft
• Surge (atmospheric pressure, wind setup, El Nino
sea level effects): 1 -4 ft
Wave setup + runup: 10 -50 ft
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Open Pacific Coast Study
5/8/2017
FEMA Flood Risk Review Meeting CCSF
California Coastal
Mapping Program
• Ocean Protection Council
NOAH
USAGE F
USGS
8 MU
88 Orange County
transacts
Locations
determined by:
snoreune
charactensdcs
Shoreline oneronen
E +posure to storms
Nears here
dathymetty
Wave Gimate
Land jse and
de.empment
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5/8/2017
Open Pacific Coast Study 4
FEMA Flood Risk Review Meeting CCSF
• Zone VE: Inundated by 1- percent annual chance (100 -
year) flood with additional wave hazards:
Runup
• Overtopping
• Zone AE: Inundated by 1- percent annual chance Flood
• Zone X (shaded): Inundated by 02- percent annual
chance (500 -year) flood
Zones VE and AE carry mandatory flood insurance
purchase requirements
When a structure is in a high risk flood zone and has a
federally backed mortgage, the structure owner is required to
purchase flood insurance
NFIP or private insurance provider
NFIP annual premiums vary by:
Flood zone
• Residential vs non - residential use
- Age of the structure
Height of lowest floor vs. 1 % chance flood
elevation
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Open Pacific Coast Study
5/8/2017
FEMA Flood Risk Review Meeting CCSF
-S FE.\fA . .... .
pI% Annual Clan. Faster
Clunges Since Last FIRM
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Oe• ease (aep.. n SH -Arype n 3FEI
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• FEMA Actions
• Support the June 15, 2017 Seal Beach Public Meeting
• Prepare Flood Hazard Determination docket for the Federal
Register
• Publish notice of formal appeal penod in community designated
newspapers
• Initiate formal appeal period
• Community Actions
Review preliminary Flood Insurance Study report. FIRM panels,
and Summary of Map Actions
Submit comments to FEMA
Tailor outreach plan
Communicate flood nsk
Open Pacific Coast Study
5/8/2017