DisasterAWARE
7
Very High

tornado Tornado Risk in Philadelphia, PA

Risk Level: Very High — Score 7/10

FEMA: 7Historical: 10

Live Tornado alert status near Philadelphia

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Key Risk Factors

  • FEMA rates Philadelphia's county as Relatively High risk
  • Estimated annual loss of $21M from this hazard type
  • Extensive history of significant events in this area
  • High recent activity — multiple events in the last 12 months
  • Located in a tornado-prone corridor

Peak season: April-June

Last significant event: Tornado — Philadelphia [PA] (2020-12-01)

Highest Risk Cities for Tornados

1
Chicago, IL
FEMA: 9Historical: 10
2
Houston, TX
FEMA: 9Historical: 10
3
San Antonio, TX
FEMA: 9Historical: 10
4
Dallas, TX
FEMA: 9Historical: 10
5
Austin, TX
FEMA: 9Historical: 10
6
Fort Worth, TX
FEMA: 9Historical: 10
7
Indianapolis, IN
FEMA: 9Historical: 10
8
Oklahoma City, OK
FEMA: 9Historical: 10
9
Memphis, TN
FEMA: 9Historical: 10
10
Louisville, KY
FEMA: 9Historical: 10
Philadelphia is not in the top 10 for tornado risk among tracked cities.

How Philadelphia Compares

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Notable Tornado Events Near Philadelphia

DisasterAWARE's historical archive records 5 notable tornado events near Philadelphia, ranked below by impact. The most impactful: Tornado — Philadelphia [PA] (November 2020).

Tornado — Philadelphia [PA]

November 30, 2020 — WARNING

Impact data not available

Tornado — Philadelphia [PA]

August 7, 2019 — WARNING

Impact data not available

Tornado — Philadelphia [PA]

June 20, 2019 — WARNING

Impact data not available

Tornado — Philadelphia [PA]

June 19, 2019 — WARNING

Impact data not available

Tornado — Philadelphia [PA]

June 23, 2017 — WARNING

Impact data not available

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

earthquake
Earthquake Risk in Philadelphia
Score: 7/10
wildfire
Wildfire Risk in Philadelphia
Score: 1/10
hurricane
Hurricane Risk in Philadelphia
Score: 7/10
flood
Flood Risk in Philadelphia
Score: 9/10
winter-storm
Winter Storm Risk in Philadelphia
Score: 9/10
landslide
Landslide Risk in Philadelphia
Score: 3/10
extreme-heat
Extreme Heat Risk in Philadelphia
Score: 9/10
drought
Drought Risk in Philadelphia
Score: 1/10
high-wind
High Wind Risk in Philadelphia
Score: 7/10
tsunami
Tsunami Risk in Philadelphia
Score: 0/10
tornado
Tornado Risk in New York, NY
Score: 5/10
tornado
Tornado Risk in Baltimore, MD
Score: 7/10
tornado
Tornado Risk in Washington, DC
Score: 7/10

How this data is built

Philadelphia, PA 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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