Alert archive / New York / Heat Advisories in 2025

Heat Advisory 1, NWS Buffalo, NY

June 21, 202516 counties in New York

NWS Buffalo, NY issued this heat advisory at Jun 21, 2025, 2:44 AM EDT for 16 counties in New York. It took effect at Jun 22, 2025, 12:00 PM EDT. It was in force for 54 hr.

The area

The counties it named.

The facts

Issued
Jun 21, 2025, 2:44 AM EDT (06:44 UTC)
In effect from
Jun 22, 2025, 12:00 PM EDT
Expired
Jun 24, 2025, 6:00 PM EDT
In force
54 hr
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Wayne County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 06:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this heat advisory went out at Jun 20, 8:47 PM EDT, 5 hours 57 minutes earlier.

Area forecast discussion, Jun 20, 8:47 PM EDT, 5 hours 57 minutes before
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The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 4:06 PM EDTSmall Craft AdvisoryBUF24 hr

Nearby

Heat Advisories in New York, 2025Every heat advisory in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.