DisasterAWARE
9
Extreme

flood Flood Risk in Seattle, WA

Risk Level: Extreme — Score 9/10

FEMA: 9Historical: 10

Live Flood alert status near Seattle

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Live flood activity around Seattle — refreshed throughout the day.

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Key Risk Factors

  • FEMA rates Seattle's county as Very High risk for this hazard
  • Estimated annual loss of $417M from this hazard type
  • Extensive history of significant events in this area
  • High recent activity — multiple events in the last 12 months
  • Occurs roughly 0.29 times per year on average

Peak season: March-September

Last significant event: Flood - Seattle, WA Region, United States (2020-02-10)

Highest Risk Cities for Floods

1
New York, NY
FEMA: 9Historical: 10
2
Los Angeles, CA
FEMA: 9Historical: 10
3
Chicago, IL
FEMA: 9Historical: 10
4
Houston, TX
FEMA: 9Historical: 10
5
Phoenix, AZ
FEMA: 9Historical: 10
6
Philadelphia, PA
FEMA: 9Historical: 10
7
San Antonio, TX
FEMA: 9Historical: 10
8
San Diego, CA
FEMA: 9Historical: 10
9
Dallas, TX
FEMA: 9Historical: 10
10
San Jose, CA
FEMA: 9Historical: 10
Seattle is not in the top 10 for flood risk among tracked cities.

How Seattle Compares

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Notable Flood Events Near Seattle

DisasterAWARE's historical archive records 5 notable flood events near Seattle, ranked below by impact. The most impactful: Flood - Seattle, WA Region, United States (February 2020).

Flood - Seattle, WA Region, United States

February 9, 2020 — WARNING

Impact data not available

Flood - Seattle, WA Region, United States

February 8, 2020 — WARNING

Impact data not available

Flood - Seattle, WA Region, United States

February 8, 2020 — WARNING

Impact data not available

Flood - Seattle, WA Region, United States

February 8, 2020 — WARNING

Impact data not available

Flood - Seattle, WA Region, United States

February 11, 2019 — WARNING

Impact data not available

Flood Preparedness Tips

  • 1.Know if your property is in a flood zone — check FEMA maps
  • 2.Consider flood insurance even if not in a high-risk zone
  • 3.Never drive through flooded roadways — Turn Around, Don’t Drown
  • 4.Move valuables and important documents to upper floors
  • 5.Install sump pumps and check valves in plumbing

Related Pages

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Earthquake Risk in Seattle
Score: 9/10
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Wildfire Risk in Seattle
Score: 3/10
hurricane
Hurricane Risk in Seattle
Score: 0/10
tornado
Tornado Risk in Seattle
Score: 5/10
winter-storm
Winter Storm Risk in Seattle
Score: 7/10
landslide
Landslide Risk in Seattle
Score: 7/10
extreme-heat
Extreme Heat Risk in Seattle
Score: 7/10
drought
Drought Risk in Seattle
Score: 1/10
high-wind
High Wind Risk in Seattle
Score: 1/10
tsunami
Tsunami Risk in Seattle
Score: 3/10
flood
Flood Risk in Portland, OR
Score: 7/10
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Flood Risk in Sacramento, CA
Score: 7/10
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Flood Risk in Oakland, CA
Score: 9/10

How this data is built

Seattle, WA flood risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live flood monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.

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