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Flash Flood — Rensselaer, NY

Jul 19, 2015

A very warm and humid air mass was in place over eastern Upstate New York on Sunday, July 19th with temperatures reaching over 90 degrees in many areas. The warm and humid conditions allowed the atmosphere to become quite unstable.||As a cold front approached from the eastern Great Lakes, clusters of thunderstorms developed over the region during the late afternoon and early evening hours and moved eastward. Many of these thunderstorms became severe, producing damaging wind gusts. A few of the

Source: NOAA National Weather Service Storm Events Database (event 583661). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Rensselaer, NY

This event is one of many recorded floods in Rensselaer County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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More Flood Stories

Flash Flood$500K damage

Rensselaer, NY · Jul 14, 2021

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Rensselaer, NY · Jul 14, 2021

Slow-moving thunderstorms trained over Rensselaer County during the afternoon of the 14th, resulting in a bullseye of 2-5 of rainfall over two to three hours over central and southern portions of the county.

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Flash Flood$500K damage

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Slow-moving thunderstorms trained over Rensselaer County during the afternoon of the 14th, resulting in a bullseye of 2-5 of rainfall over two to three hours over central and southern portions of the county.

Read the full account →
Flash Flood$500K damage

Rensselaer, NY · Jul 14, 2021

Slow-moving thunderstorms trained over Rensselaer County during the afternoon of the 14th, resulting in a bullseye of 2-5 of rainfall over two to three hours over central and southern portions of the county.

Read the full account →