Alert archive / New York / Areal Flood Warnings in 2014

Areal Flood Warning 17, NWS Buffalo, NY

May 21, 2014Chautauqua County, New York

NWS Buffalo, NY issued this areal flood warning at May 21, 2014, 10:00 AM EDT for Chautauqua County, New York. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 21, 2014, 10:00 AM EDT (14:00 UTC)
Expired: May 21, 2014, 1:00 PM EDT
In force: 3 hr
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Flood severity: None

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 14:01 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

Pittsburgh, PA (KAGC), launched 12:00Z, 2.0 hours before the alert went out and 218 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: 12 J/kg
Mixed-layer CIN: -237 J/kg
Mixed-layer LCL: 1698 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 99 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 areal flood warning 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 warning went out at May 21, 7:55 AM EDT, 2 hours 5 minutes earlier.

Area forecast discussion, May 21, 7:55 AM EDT, 2 hours 5 minutes before

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Hazardous weather outlook, May 21, 5:00 AM EDT, 5 hours before

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In the hours before

Local storm report, May 21, 7:45 AM EDT, 2 hours 15 minutes before

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Local storm report, May 21, 7:52 AM EDT, 2 hours 8 minutes before

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Local storm report, May 21, 7:56 AM EDT, 2 hours 4 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        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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Local storm report, May 21, 8:17 AM EDT, 1 hour 43 minutes before

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        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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      <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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Local storm report, May 21, 8:55 AM EDT, 1 hour 5 minutes before

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<body>
  <main class="wrap">
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      <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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Local storm report, May 21, 9:04 AM EDT, 56 minutes before

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<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.
      </p>
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The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 12:40 AM EDT	Special Weather Statement	BUF	Cattaraugus, Chautauqua	95 min
May 21, 2:01 AM EDT	Flash Flood Warning	BUF	Cattaraugus, Chautauqua	11 hr
May 21, 4:03 AM EDT	Flash Flood Watch	BUF	Allegany, Cattaraugus, Chautauqua	18 hr
May 21, 5:56 PM EDT	Special Weather Statement	BUF	Cattaraugus	49 min
May 21, 7:45 PM EDT	Areal Flood Advisory	BUF	Allegany, Cattaraugus	3 hr

Nearby

Areal Flood Warnings in New York, 2014 Every areal flood warning in 2014

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.