Alert archive / New York / Lakeshore Flood Warnings in 2018

Lakeshore Flood Warning 3, NWS Buffalo, NY

April 3, 20186 counties in New York

NWS Buffalo, NY issued this lakeshore flood warning at Apr 3, 2018, 4:48 AM EDT for 6 counties in New York. It took effect at Apr 4, 2018, 4:00 AM EDT. It was in force for 22 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: Apr 3, 2018, 4:48 AM EDT (08:48 UTC)
In effect from: Apr 4, 2018, 4:00 AM EDT
Expired: Apr 5, 2018, 2:00 AM EDT
In force: 22 hr
Issued by: NWS Buffalo, NY

Counties Cayuga County, NY, Chautauqua County, NY, Erie County, NY, Jefferson County, NY, Oswego County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 115 km from the middle of the area, began a volume at 08:52 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, 8.8 hours before the alert went out and 113 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2307 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 44 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 lakeshore 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 lakeshore flood warning went out at Apr 3, 2:13 AM EDT, 2 hours 35 minutes earlier.

Area forecast discussion, Apr 3, 2:13 AM EDT, 2 hours 35 minutes before

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Hazardous weather outlook, Apr 2, 10:48 PM EDT, 6 hours 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
Apr 3, 4:46 AM EDT	Gale Warning	BUF		45 hr
Apr 3, 4:58 AM EDT	High Wind Warning	BUF	Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more	42 hr
Apr 3, 3:03 PM EDT	Small Craft Advisory	BUF		7 hr

Nearby

Lakeshore Flood Warnings in New York, 2018 Every lakeshore flood warning in 2018

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.