Alert archive / Montana / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 42, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jul 4, 2008, 1:03 PM MDT for Glacier County, Montana. It was in force for 27 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
- Jul 4, 2008, 1:03 PM MDT (19:03 UTC)
- Expired
- Jul 4, 2008, 1:30 PM MDT
- In force
- 27 min
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
County Glacier County, MT
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 7.1 hours before the alert went out and 225 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
- 32 J/kg
- Mixed-layer CIN
- -527 J/kg
- Mixed-layer LCL
- 2745 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 11:40 AM MDT, 1 hour 23 minutes earlier.
Area forecast discussion, Jul 4, 11:40 AM MDT, 1 hour 23 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, Jul 4, 6:24 AM MDT, 6 hours 39 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 Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 3:50 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 40 min |
| Jul 4, 3:56 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 49 min |
| Jul 4, 4:10 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 50 min |
| Jul 4, 4:10 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin, Meagher | 25 min |
| Jul 4, 4:38 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 67 min |
| Jul 4, 4:41 PM MDT | Tornado Warning | TFX | Lewis and Clark | 34 min |
| Jul 4, 4:48 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 42 min |
| Jul 4, 4:57 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 48 min |
| Jul 4, 5:06 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 39 min |
| Jul 4, 5:08 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark | 52 min |
| Jul 4, 5:13 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera | 47 min |
| Jul 4, 5:18 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 40 min |
| Jul 4, 5:23 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 34 min |
| Jul 4, 5:26 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 49 min |
| Jul 4, 5:38 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark, Teton | 52 min |
| Jul 4, 5:45 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 45 min |
| Jul 4, 5:52 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 38 min |
| Jul 4, 5:57 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Teton | 63 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2008Every severe thunderstorm warning in 2008
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.