Alert archive / Montana / Special Weather Statements in 2018

Special Weather Statement, NWS Billings, MT

August 3, 2018Park County, Sweet Grass County, Montana

NWS Billings, MT issued this special weather statement at Aug 3, 2018, 2:14 PM MDT for Park County, Sweet Grass County, Montana. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 3, 2018, 2:14 PM MDT (20:14 UTC)
Expired: Aug 3, 2018, 3:00 PM MDT
In force: 46 min
Issued by: NWS Billings, MT

Counties Park County, MT, Sweet Grass County, MT

The radar

The Billings radar (KBLX), 168 km from the middle of the area, began a volume at 20:18 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

Great_falls, MT (KTFX), launched 12:00Z, 8.2 hours before the alert went out and 219 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: 3784 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 3, 9:17 AM MDT, 4 hours 57 minutes earlier.

Area forecast discussion, Aug 3, 9:17 AM MDT, 4 hours 57 minutes before

<!doctype html>
<html lang="en">
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Aug 3, 3:25 AM MDT, 10 hours 49 minutes before

Hazardous Weather Outlook
National Weather Service Billings MT
325 AM MDT Fri Aug 3 2018

MTZ028>042-056>058-063>068-WYZ098-099-040600-
Southern Wheatland-Musselshell-Treasure-Northern Rosebud-Custer-
Fallon-Northern Stillwater-Yellowstone-Powder River-Carter-
Southern Big Horn-Eastern Carbon-Northern Park-
Northern Sweet Grass-Golden Valley-Red Lodge Foothills-
Northern Big Horn-Southern Rosebud-Judith Gap-Paradise Valley-
Livingston Area-Beartooth Foothills-Absaroka/Beartooth Mountains-
Crazy Mountains-Northeast Bighorn Mountains-Sheridan Foothills-
325 AM MDT Fri Aug 3 2018

This Hazardous Weather Outlook is for portions of central
Montana...south central Montana...southeast Montana and north
central Wyoming.

* WHAT...the potential for strong and erratic wind gusts from
  showers and thunderstorms.

* WHERE...South Central Montana, along with Sheridan county
  Wyoming.

* WHEN...This afternoon and evening.

* ADDITIONAL DETAILS...Storms are expected in the afternoon and
  evening, which could impact outdoor events. Brief downpours are
  possible.

* ADDITIONAL HAZARD CONCERNS...Erratic wind gusts could pose a
  problem for existing fires, or any new fires caused by the
  lightning activity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be sure to stay tuned for future updates as locations, timing, and
impacts could change. Begin preparations to mitigate any impacts
that could result from strong winds and local downpours.

&&

In the hours before

Special weather statement, Aug 3, 1:34 PM MDT, 40 minutes before

<!doctype html>
<html lang="en">
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Aug 3, 2:04 PM MDT, 10 minutes before

<!doctype html>
<html lang="en">
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Aug 3, 2:14 PM MDT, 0 minutes before

<!doctype html>
<html lang="en">
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 2, 6:52 PM MDT	Special Weather Statement	BYZ	Golden Valley	38 min
Aug 2, 7:26 PM MDT	Special Weather Statement	BYZ	Golden Valley	34 min
Aug 2, 7:51 PM MDT	Special Weather Statement	BYZ	Yellowstone	39 min
Aug 2, 7:59 PM MDT	Special Weather Statement	BYZ	Treasure	46 min
Aug 2, 10:05 PM MDT	Special Weather Statement	BYZ	Rosebud, Treasure	55 min
Aug 2, 11:02 PM MDT	Special Weather Statement	BYZ	Custer	58 min
Aug 3, 12:08 AM MDT	Special Weather Statement	BYZ	Custer	52 min
Aug 3, 1:34 PM MDT	Special Weather Statement	BYZ	Park	41 min
Aug 3, 2:58 PM MDT	Special Weather Statement	BYZ	Stillwater	47 min
Aug 3, 2:59 PM MDT	Special Weather Statement	BYZ	Park	46 min
Aug 3, 3:44 PM MDT	Special Weather Statement	BYZ	Park	46 min
Aug 3, 3:52 PM MDT	Special Weather Statement	BYZ	Stillwater	23 min
Aug 3, 4:13 PM MDT	Special Weather Statement	BYZ	Yellowstone	47 min
Aug 3, 4:18 PM MDT	Special Weather Statement	BYZ	Carbon	42 min
Aug 3, 4:31 PM MDT	Special Weather Statement	BYZ	Stillwater	29 min
Aug 3, 4:51 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Carbon, Yellowstone	39 min
Aug 3, 5:27 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Custer, Powder River, Rosebud, Treasure	63 min
Aug 3, 5:45 PM MDT	Special Weather Statement	BYZ	Yellowstone	30 min
Aug 3, 4:34 PM MDT	Special Weather Statement	BYZ	Sheridan	41 min

Nearby

Special Weather Statements in Montana, 2018 Every special weather statement 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.