Alert archive / Montana / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 56, NWS Billings, MT

June 28, 2002Musselshell County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 28, 2002, 10:10 PM MDT for Musselshell County, Montana. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 28, 2002, 10:10 PM MDT (04:10 UTC)
Expired: Jun 28, 2002, 11:15 PM MDT
In force: 65 min
Issued by: NWS Billings, MT
Area: Counties, with a storm outline in the text

County Musselshell County, MT

The radar

The Billings radar (KBLX), 73 km from the middle of the area, began a volume at 04:13 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 28, 5:00 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Great_falls, MT (KTFX), launched 00:00Z, 4.2 hours before the alert went out and 198 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: 2586 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 87 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 severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 28, 8:52 PM MDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jun 28, 8:52 PM MDT, 1 hour 18 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
Jun 28, 6:53 PM MDT	Severe Thunderstorm Warning	BYZ	Park	52 min
Jun 28, 7:07 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	53 min
Jun 29, 1:50 PM MDT	Severe Thunderstorm Warning	BYZ	Park	55 min
Jun 29, 2:36 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Musselshell	54 min
Jun 29, 2:42 PM MDT	Severe Thunderstorm Warning	BYZ	Sweet Grass	33 min
Jun 29, 3:13 PM MDT	Severe Thunderstorm Warning	BYZ	Stillwater	32 min
Jun 29, 5:10 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Custer, Powder River, Rosebud	65 min
Jun 29, 5:44 PM MDT	Severe Thunderstorm Warning	BYZ	Fallon	61 min
Jun 29, 5:33 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	57 min

Nearby

Severe Thunderstorm Warnings in Montana, 2002 Every severe thunderstorm warning in 2002

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.