West Islip, NY Tornado History — 23 Tornadoes Since 1950
How many tornadoes has West Islip, NY had?
West Islip has had 23 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near West Islip?
The most recent tornado within 25 miles of West Islip was an EF0 on November 13, 2021.
When is tornado season in West Islip?
August is historically the peak month for tornadoes near West Islip, with 6 on record. April through June account for 5 of the 23 tornadoes on record near West Islip.
At a Glance
Recent Tornado Activity Near West Islip
The last 20 years of confirmed tornadoes within 25 miles — 10 total, averaging 0.5 per year over this window.
Preliminary tornado reports near West Islip since December 29, 2025
This is a preliminary report, not confirmed tornadoes. It has not yet been through an NWS damage survey, and is not counted in the confirmed totals above.
Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.
Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.
NWS storm survey confirmed an EF-1 tornado producing a narrow swath of damage with estimated wind gusts of 65 to 97 mph across the far western end of Atlantic Beach bet (OKX)
Within 25 miles of West Islip. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
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
Casualties on Record Near West Islip
1 fatality has been recorded within 25 miles of West Islip since 1950, across 1 event. 7 injuries have been reported across all events. 2010 was the deadliest year on record near West Islip.
The deadliest single event was an EF1 on September 16, 2010, which caused 1 fatality along a 4.0-mile track.
Notable Tornadoes Near West Islip
What the record shows near West Islip
The 1990s were the busiest decade near West Islip, with 7 of the 23 confirmed tornadoes within 25 miles; the 2020s have produced 4 so far. The West Islip record runs from the 1970s to today.
Of the tornadoes rated near West Islip, 20 reached EF0 or EF1 and 3 reached EF2 or stronger. The most intense on record near West Islip is rated EF2, of which 3 are logged.
Across the last 20 years West Islip has averaged 0.5 confirmed tornadoes a year within 25 miles, 10 in total. 2021 was the busiest of them with 4, and 14 of those years passed with none at all.