Alert archive / Idaho / Special Weather Statements in 2017
Special Weather Statement, NWS Missoula, MT
NWS Missoula, MT issued this special weather statement at Jul 15, 2017, 11:22 AM PDT for Clearwater County, Idaho. It was in force for 23 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
- Jul 15, 2017, 11:22 AM PDT (18:22 UTC)
- Expired
- Jul 15, 2017, 11:45 AM PDT
- In force
- 23 min
- Issued by
- NWS Missoula, MT
County Clearwater County, ID
The radar
The Missoula radar (KMSX), 163 km from the middle of the area, began a volume at 18:22 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, 6.4 hours before the alert went out and 149 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2875 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</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 Missoula, MT wrote its last area forecast discussion before this special weather statement went out at Jul 15, 2:29 AM PDT, 8 hours 53 minutes earlier.
Area forecast discussion, Jul 15, 2:29 AM PDT, 8 hours 53 minutes before
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<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.
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</html>In the hours before
Special weather statement, Jul 15, 11:22 AM PDT, 0 minutes before
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<html lang="en">
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<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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</html>The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 5:16 PM PDT | Special Weather Statement | MSO | Missoula | 29 min |
| Jul 14, 6:57 PM PDT | Special Weather Statement | MSO | Missoula | 33 min |
| Jul 15, 1:00 PM PDT | Red Flag Warning | MSO | Flathead, Glacier, Granite, Lake, Lewis and Clark, Lincoln and 5 more | 31 hr |
| Jul 15, 1:29 PM PDT | Special Weather Statement | MSO | Deer Lodge | 46 min |
| Jul 15, 1:58 PM PDT | Special Weather Statement | MSO | Ravalli | 62 min |
| Jul 15, 2:35 PM PDT | Special Weather Statement | MSO | Ravalli | 40 min |
| Jul 15, 3:03 PM PDT | Special Weather Statement | MSO | Ravalli | 27 min |
| Jul 15, 3:16 PM PDT | Special Weather Statement | MSO | Ravalli | 59 min |
| Jul 15, 3:27 PM PDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 33 min |
| Jul 15, 3:59 PM PDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 46 min |
| Jul 15, 4:13 PM PDT | Special Weather Statement | MSO | Deer Lodge | 47 min |
| Jul 15, 4:41 PM PDT | Areal Flood Advisory | MSO | Deer Lodge | 64 min |
| Jul 15, 4:49 PM PDT | Special Weather Statement | MSO | Missoula | 41 min |
| Jul 15, 4:53 PM PDT | Special Weather Statement | MSO | Powell | 52 min |
| Jul 15, 1:33 PM PDT | Special Weather Statement | MSO | Idaho | 42 min |
| Jul 15, 1:53 PM PDT | Special Weather Statement | MSO | Idaho | 67 min |
Nearby
Special Weather Statements in Idaho, 2017Every special weather statement 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.