Alert archive / New York / Areal Flood Advisories in 2013

Areal Flood Advisory 13, NWS Buffalo, NY

June 27, 2013Ontario County, New York

NWS Buffalo, NY issued this areal flood advisory at Jun 27, 2013, 6:40 PM EDT for Ontario County, New York. It was in force for 80 min.

The area

The counties it named.

The facts

Issued: Jun 27, 2013, 6:40 PM EDT (22:40 UTC)
Expired: Jun 27, 2013, 8:00 PM EDT
In force: 80 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

County Ontario County, NY

The radar

The Buffalo radar (KBUF), 118 km from the middle of the area, began a volume at 22:39 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, 10.7 hours before the alert went out and 114 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: 542 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 829 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood 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 areal flood advisory went out at Jun 27, 3:43 PM EDT, 2 hours 57 minutes earlier.

Area forecast discussion, Jun 27, 3:43 PM EDT, 2 hours 57 minutes before

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Hazardous weather outlook, Jun 27, 5:01 AM EDT, 13 hours 39 minutes before

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  <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.

Issued	Product	Office	Counties	Lasted
Jun 27, 6:46 PM EDT	Areal Flood Advisory	BUF	Livingston	89 min
Jun 27, 7:47 PM EDT	Areal Flood Advisory	BUF	Niagara	3 hr
Jun 27, 7:57 PM EDT	Areal Flood Advisory	BUF	Monroe	3 hr

Nearby

Areal Flood Advisories in New York, 2013 Every areal flood advisory in 2013

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.