Alert archive / New York / Heat Advisories in 2026

Heat Advisory 1, NWS Buffalo, NY

June 10, 20267 counties in New York

NWS Buffalo, NY issued this heat advisory at Jun 10, 2026, 1:02 PM EDT for 7 counties in New York. It took effect at Jun 11, 2026, 12:00 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jun 10, 2026, 1:02 PM EDT (17:02 UTC)
In effect from: Jun 11, 2026, 12:00 PM EDT
Expired: Jun 11, 2026, 5:32 PM EDT
In force: 6 hr
Issued by: NWS Buffalo, NY

Counties Cayuga County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 94 km from the middle of the area, began a volume at 17:04 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.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.0 hours before the alert went out and 91 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 681 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 550 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 197 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.7

Open this sounding in Storm Lab

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 10, 2:26 AM EDT, 10 hours 36 minutes earlier.

Area forecast discussion, Jun 10, 2:26 AM EDT, 10 hours 36 minutes before

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Hazardous weather outlook, Jun 10, 2:40 AM EDT, 10 hours 22 minutes before

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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 3:43 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga	47 min

Nearby

Heat Advisories in New York, 2026 Every heat advisory in 2026

Sources

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