Tornado Risk in Portland, OR
Risk Level: Moderate — Score 3/10
Live Tornado alert status near Portland
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Live tornado map around Portland
Shows tornado warnings and events that are active right now, refreshed through the day. When none are active, the map is empty by design.
Key Risk Factors
- Estimated annual loss of $1M from this hazard type
- 14 tornadoes within 50 km since January 2015 (0 rated EF2 or stronger; 2026 figures provisional)
- Strongest within 50 km: EF1 on December 10, 2015
Peak season: April-June
Last significant event: No EF2+ tornado within 50 km since January 2015; the most recent tornado was an EF0 on October 11, 2023
Highest Risk Cities for Tornados
How Portland Compares
Strongest Tornadoes Near Portland
14 tornadoes touched down within 50 km of Portland between January 2015 and September 30, 2026 (0 rated EF2 or stronger), according to NWS and SPC tornado records. 2026 figures are provisional until SPC publishes its final 2026 tornado file, and September 2026 is preliminary while NWS damage surveys are completed. The 5 strongest are listed below; distances run from the city centre to the closest point of each tornado's path (start to end point).
EF1 tornado, 0.8-mile path, closest point 29 km from the Portland city centre
December 10, 2015 — EF1
No deaths or injuries recorded
EF0 tornado, 3.9-mile path, closest point 30 km from the Portland city centre
September 27, 2021 — EF0
No deaths or injuries recorded
EF0 tornado, 2.3-mile path, closest point 20 km from the Portland city centre
March 24, 2017 — EF0
No deaths or injuries recorded
EF0 tornado, 2.0-mile path, closest point 20 km from the Portland city centre
June 13, 2020 — EF0
No deaths or injuries recorded
EF0 tornado, 1.7-mile path, closest point 40 km from the Portland city centre
November 10, 2020 — EF0
No deaths or injuries recorded
Tornado Preparedness Tips
- 1.Identify a safe room or storm shelter in your home or building
- 2.Practice tornado drills — get low, cover your head, stay away from windows
- 3.Have a NOAA Weather Radio for tornado watch and warning alerts
- 4.Secure outdoor objects that could become projectiles in high winds
- 5.Know the difference between a tornado watch and a tornado warning
Related Pages
How this data is built
Portland, OR tornado risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live tornado monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.
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The data behind this page
Every score and event here comes from DisasterAWARE's hazard database — available as downloadable historical datasets and a real-time API.
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