Alert archive / Montana / Special Weather Statements in 2024

Special Weather Statement, NWS Missoula, MT

August 6, 2024Missoula County, Montana

NWS Missoula, MT issued this special weather statement at Aug 6, 2024, 9:20 AM MDT for Missoula County, Montana. It was in force for 40 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 6, 2024, 9:20 AM MDT (15:20 UTC)
Expired
Aug 6, 2024, 10:00 AM MDT
In force
40 min
Issued by
NWS Missoula, MT
Hail
0.50 in
Wind
30

County Missoula County, MT

The radar

The Missoula radar (KMSX), 33 km from the middle of the area, began a volume at 15:18 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

Spokane, WA (KOTX), launched 12:00Z, 3.3 hours before the alert went out and 197 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, Spokane, WA at 12:00Z on 2024-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 531 joules per kilogram.LCLLFCEL10008507005003002001001 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, Spokane, WA at 12:00Z on 2024-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
531 J/kg
Mixed-layer CIN
-195 J/kg
Mixed-layer LCL
2140 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Missoula, MT wrote its last area forecast discussion before this special weather statement went out at Aug 6, 2:38 AM MDT, 6 hours 42 minutes earlier.

Area forecast discussion, Aug 6, 2:38 AM MDT, 6 hours 42 minutes before
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<html lang="en">
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  <meta name="viewport" content="width=device-width, initial-scale=1">
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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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In the hours before

Special weather statement, Aug 6, 9:20 AM 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.
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 7:54 PM MDTSpecial Weather StatementMSOMissoula51 min
Aug 6, 3:27 PM MDTSpecial Weather StatementMSOMissoula48 min
Aug 6, 3:59 PM MDTSpecial Weather StatementMSOJefferson31 min
Aug 6, 4:14 PM MDTSpecial Weather StatementMSOFlathead46 min
Aug 6, 4:29 PM MDTSpecial Weather StatementMSOMissoula46 min
Aug 6, 4:33 PM MDTSpecial Weather StatementMSODeer Lodge42 min
Aug 6, 4:43 PM MDTSpecial Weather StatementMSOMissoula47 min
Aug 6, 4:45 PM MDTSpecial Weather StatementMSOPowell30 min
Aug 6, 4:55 PM MDTSpecial Weather StatementMSOMissoula50 min
Aug 6, 5:11 PM MDTSpecial Weather StatementMSOMissoula34 min
Aug 6, 5:29 PM MDTSpecial Weather StatementMSOPowell31 min
Aug 6, 5:32 PM MDTSpecial Weather StatementMSORavalli43 min
Aug 6, 5:39 PM MDTSevere Thunderstorm WarningMSORavalli36 min
Aug 6, 5:58 PM MDTSevere Thunderstorm WarningMSOMissoula16 min
Aug 5, 6:10 PM MDTSpecial Weather StatementMSOLewis50 min
Aug 5, 6:22 PM MDTSevere Thunderstorm WarningMSOIdaho23 min
Aug 5, 6:50 PM MDTSevere Thunderstorm WarningMSOIdaho25 min
Aug 5, 11:58 PM MDTSpecial Weather StatementMSOLewis32 min
Aug 6, 3:51 PM MDTSpecial Weather StatementMSOIdaho39 min
Aug 6, 4:27 PM MDTSpecial Weather StatementMSOIdaho48 min

Nearby

Special Weather Statements in Montana, 2024Every special weather statement in 2024

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.