Alert archive / New York / Heat Advisories in 2019

Heat Advisory 1, NWS Buffalo, NY

July 5, 20197 counties in New York

NWS Buffalo, NY issued this heat advisory at Jul 5, 2019, 4:21 AM EDT for 7 counties in New York. It took effect at Jul 5, 2019, 11:00 AM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jul 5, 2019, 4:21 AM EDT (08:21 UTC)
In effect from
Jul 5, 2019, 11:00 AM EDT
Expired
Jul 5, 2019, 6:00 PM EDT
In force
7 hr
Issued by
NWS Buffalo, NY

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

The radar

The Buffalo radar (KBUF), 84 km from the middle of the area, began a volume at 08:20 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 00:00Z, 8.4 hours before the alert went out and 81 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 2019-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 781 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2019-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
781 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1215 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jul 5, 2:09 AM EDT, 2 hours 12 minutes earlier.

Area forecast discussion, Jul 5, 2:09 AM EDT, 2 hours 12 minutes before
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Hazardous weather outlook, Jul 4, 11:00 PM EDT, 5 hours 21 minutes before
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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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.
      </p>
      <p class="small" id="detail">
        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.

IssuedProductOfficeCountiesLasted
Jul 5, 11:05 AM EDTLakeshore Flood WatchBUFMonroe, Niagara, Orleans, Wayne22 hr
Jul 5, 12:36 PM EDTSpecial Weather StatementBUFChautauqua54 min
Jul 5, 1:23 PM EDTSpecial Weather StatementBUFMonroe52 min
Jul 5, 1:41 PM EDTSpecial Weather StatementBUFChautauqua64 min
Jul 5, 2:17 PM EDTSpecial Weather StatementBUFMonroe, Wayne58 min
Jul 5, 2:44 PM EDTSpecial Weather StatementBUFCattaraugus, Chautauqua61 min
Jul 5, 2:56 PM EDTFlash Flood WarningBUFLivingston, Monroe, Ontario, Wayne101 min
Jul 5, 3:00 PM EDTFlash Flood WarningBUFCattaraugus, Chautauqua2 hr
Jul 5, 4:10 PM EDTSpecial Weather StatementBUFOntario35 min
Jul 5, 5:00 PM EDTSpecial Weather StatementBUFOrleans45 min
Jul 5, 5:09 PM EDTSpecial Weather StatementBUFLewis36 min

Nearby

Heat Advisories in New York, 2019Every heat advisory in 2019

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.