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Severe Thunderstorm Warning

Status

New Event Expired

Start Time

Wed 07/01/2026 08:36 PM EDT

End Time

Wed 07/01/2026 09:30 PM EDT

Significance

Warning

Storm Location

3 mi NE of Hannibal, NY

Storm Motion

Moving E at 40 mph

Impacts

High impact

Thunderstorm damage threatconsiderable
Hail threatradar indicated
Max hail size1.00 in
Wind threatradar indicated
Max wind gust70 mph

Locations Affected

West Leyden, NY ∙ West Monroe, NY ∙ Adams, NY ∙ Lycoming, NY ∙ Amboy, NY ∙ Port Leyden, NY ∙ Henderson Bay, NY ∙ Montague, NY ∙ Lacona, NY ∙ Lewis, NY

Full Alert Message

BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Buffalo NY 836 PM EDT Wed Jul 1 2026 The National Weather Service in Buffalo has issued a * Severe Thunderstorm Warning for... Southern Jefferson County in central New York... Lewis County in central New York... Oswego County in central New York... * Until 930 PM EDT. * At 835 PM EDT, severe thunderstorms were located along a line extending from near Rossie to near Battle Island State Park, moving east at 40 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Watertown, Oswego, Fulton, Sandy Island Beach State Park, Stony Point, Carthage, Lowville, Pulaski, West Carthage, and Central Square. This includes Interstate 81 between exits 32 and 47. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. These storms have produced widespread wind damage across Jefferson county. && LAT...LON 4342 7553 4348 7581 4333 7589 4315 7588 4327 7620 4320 7621 4324 7626 4323 7648 4346 7663 4356 7645 4356 7631 4358 7626 4378 7629 4387 7635 4387 7650 4395 7644 4396 7634 4404 7638 4399 7516 4361 7511 TIME...MOT...LOC 0035Z 284DEG 35KT 4426 7559 4334 7653 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH