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Lake Ronkonkoma, NY Tornado History — 28 Tornadoes Since 1950

New York · 25-mile radius · NOAA Storm Prediction Center

How many tornadoes has Lake Ronkonkoma, NY had?

Lake Ronkonkoma has had 28 tornadoes on record within 25 miles since 1950.

When was the most recent tornado near Lake Ronkonkoma?

The most recent tornado within 25 miles of Lake Ronkonkoma was an EF0 on November 13, 2021.

When is tornado season in Lake Ronkonkoma?

June is historically the peak month for tornadoes near Lake Ronkonkoma, with 6 on record. April through June account for 6 of the 28 tornadoes on record near Lake Ronkonkoma.

At a Glance

Tornadoes Since 1950
28
Within search radius
Violent (EF3+)
0
0.0% of total
Peak Month
June
6 on record
Per Year Avg
0.4
Across 76 years

Recent Tornado Activity Near Lake Ronkonkoma

The last 20 years of confirmed tornadoes within 25 miles — 13 total, averaging 0.7 per year over this window.

2026 0
2025 0
2024 0
2023 0
2022 0
2021 5
2020 1
2019 1
2018 2
2017 0
2016 0
2015 0
2014 0
2013 0
2012 1
2011 1
2010 1
2009 0
2008 0
2007 1

Tornadoes by Decade

1970s 6
1980s 1
1990s 7
2000s 2
2010s 6
2020s 6

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.

EF0 14
EF1 10
EF2 4

Tornadoes by Month

Jan 0
Feb 0
Mar 0
Apr 0
May 0
Jun 6
Jul 5
Aug 6
Sep 4
Oct 2
Nov 5
Dec 0

Have any tornadoes near Lake Ronkonkoma been fatal?

No fatalities are on record within 25 miles of Lake Ronkonkoma from any of the 28 tornadoes since 1950, though 4 injuries have been reported, according to NOAA Storm Prediction Center records.

Notable Tornadoes Near Lake Ronkonkoma

Costliest Tornado
EF1 on June 24, 2010 — $3.2M in reported property damage.
Widest Tornado
F1 on June 30, 1998 — 300 yards wide.
Longest Path
EF0 on November 13, 2021 — 13.1 mile track.
Most Recent
EF0 on November 13, 2021.

What the record shows near Lake Ronkonkoma

The 1990s were the busiest decade near Lake Ronkonkoma, with 7 of the 28 confirmed tornadoes within 25 miles; the 2020s have produced 6 so far. The Lake Ronkonkoma record runs from the 1970s to today.

Of the tornadoes rated near Lake Ronkonkoma, 24 reached EF0 or EF1 and 4 reached EF2 or stronger. The most intense on record near Lake Ronkonkoma is rated EF2, of which 4 are logged.

Across the last 20 years Lake Ronkonkoma has averaged 0.7 confirmed tornadoes a year within 25 miles, 13 in total. 2021 was the busiest of them with 5, and 12 of those years passed with none at all.

Frequently Asked Questions

How many tornadoes has Lake Ronkonkoma, NY had?
Since 1950, 28 tornadoes have been recorded within 25 miles of Lake Ronkonkoma. Data source: NOAA Storm Prediction Center.
When is tornado season in Lake Ronkonkoma?
June is historically the peak month for tornadoes near Lake Ronkonkoma, with 6 tornadoes on record. Tornadoes can occur any time of year, but spring months (April–June) generally see the highest activity across most of the central and southern United States.
When was the most recent tornado near Lake Ronkonkoma?
The most recent tornado within 25 miles of Lake Ronkonkoma was an EF0 on November 13, 2021.
How do I get tornado warnings for Lake Ronkonkoma?
Vortex delivers real-time tornado warnings, severe thunderstorm alerts, and SPC outlook updates for any US location via push notification and phone call. Alerts are sourced directly from the National Weather Service and updated within seconds of issuance.

Official Resources

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