Alert archive / Maine / High Wind Watches in 2018

High Wind Watch 1, NWS Gray, ME

February 28, 2018York County, Maine; Rockingham County, New Hampshire

NWS Gray, ME issued this high wind watch at Feb 28, 2018, 3:16 PM EST for York County, Maine; Rockingham County, New Hampshire. It took effect at Mar 2, 2018, 7:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 28, 2018, 3:16 PM EST (20:16 UTC)
In effect from
Mar 2, 2018, 7:00 AM EST
Expired
Mar 1, 2018, 3:24 PM EST
In force
Issued by
NWS Gray, ME

Counties York County, ME, Rockingham County, NH

The radar

The Portland,ME radar (KGYX), 91 km from the middle of the area, began a volume at 20:17 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

Chatham, MA (KCHH), launched 12:00Z, 8.3 hours before the alert went out and 186 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, Chatham, MA at 12:00Z on 2018-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Chatham, MA at 12:00Z on 2018-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1936 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
140 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 high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Gray, ME wrote its last area forecast discussion before this high wind watch went out at Feb 28, 11:12 AM EST, 4 hours 4 minutes earlier.

Area forecast discussion, Feb 28, 11:12 AM EST, 4 hours 4 minutes before
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Hazardous weather outlook, Feb 28, 11:04 AM EST, 4 hours 12 minutes before
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  <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 Gray, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 28, 10:53 AM ESTCoastal Flood WatchGYXCumberland, York29 hr
Feb 28, 3:03 PM ESTGale WatchGYX24 hr
Feb 28, 3:03 PM ESTStorm WatchGYX24 hr

Nearby

High Wind Watches in Maine, 2018High Wind Watches in New Hampshire, 2018Every high wind watch 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.