SeaTac, WA Tornado History — 14 Tornadoes Since 1950
How many tornadoes has SeaTac, WA had?
SeaTac has had 14 tornadoes on record within 25 miles since 1950, including 1 strong to violent (EF3+) tornado.
When was the most recent tornado near SeaTac?
The most recent tornado within 25 miles of SeaTac was an EF2 on December 18, 2018.
When is tornado season in SeaTac?
June is historically the peak month for tornadoes near SeaTac, with 4 on record. April through June account for 6 of the 14 tornadoes on record near SeaTac.
At a Glance
Recent Tornado Activity Near SeaTac
The last 20 years of confirmed tornadoes within 25 miles — 4 total, averaging 0.2 per year over this window.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Have any tornadoes near SeaTac been fatal?
No fatalities are on record within 25 miles of SeaTac from any of the 14 tornadoes since 1950, though 1 injuries have been reported, according to NOAA Storm Prediction Center records.
Notable Tornadoes Near SeaTac
What the record shows near SeaTac
The 1960s were the busiest decade near SeaTac, with 3 of the 14 confirmed tornadoes within 25 miles; the 2010s have produced 3 so far. The SeaTac record runs from the 1960s to today.
Of the tornadoes rated near SeaTac, 12 reached EF0 or EF1 and 2 reached EF2 or stronger. The most intense on record near SeaTac is rated EF3, of which 1 is logged.
Across the last 20 years SeaTac has averaged 0.2 confirmed tornadoes a year within 25 miles, 4 in total. 2009 was the busiest of them with 1, and 16 of those years passed with none at all.