Alert archive / Montana / High Wind Watches in 2017

High Wind Watch 2, NWS Billings, MT

February 8, 20175 counties in Montana

NWS Billings, MT issued this high wind watch at Feb 8, 2017, 3:59 AM MST for 5 counties in Montana. It took effect at Feb 9, 2017, 5:00 AM MST. It was in force for 254 days.

The area

The counties it named.

The facts

Issued: Feb 8, 2017, 3:59 AM MST (10:59 UTC)
In effect from: Feb 9, 2017, 5:00 AM MST
Expired: Oct 21, 2017, 9:02 AM MDT
In force: 254 days
Issued by: NWS Billings, MT

Counties Golden Valley County, MT, Park County, MT, Stillwater County, MT, Sweet Grass County, MT, Wheatland County, MT

The radar

The Billings radar (KBLX), 91 km from the middle of the area, began a volume at 10:58 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

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 11.0 hours before the alert went out and 347 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: 710 m above ground
0-6 km bulk shear: 86 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: 123 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 Billings, MT wrote its last area forecast discussion before this high wind watch went out at Feb 8, 3:40 AM MST, 19 minutes earlier.

Area forecast discussion, Feb 8, 3:40 AM MST, 19 minutes before

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Hazardous weather outlook, Feb 7, 3:18 PM MST, 12 hours 41 minutes before

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In the hours before

Local storm report, Feb 7, 11:44 PM MST, 4 hours 15 minutes before

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<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 Billings, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 8, 8:47 AM MST	Special Weather Statement	BYZ	Carbon	118 min
Feb 8, 10:50 AM MST	Special Weather Statement	BYZ	Carbon	115 min
Feb 8, 2:17 PM MST	High Wind Warning	BYZ	Park, Stillwater, Sweet Grass	39 hr

Nearby

High Wind Watches in Montana, 2017 Every high wind watch in 2017

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.