Alert archive / Montana / Mesoscale Discussions in 2004
Mesoscale Discussion 1595
The Storm Prediction Center issued this mesoscale discussion at Jul 10, 2004, 1:34 PM MDT for 26 counties in Montana. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Jul 10, 2004, 1:34 PM MDT (19:34 UTC)
- Expired
- Jul 10, 2004, 3:00 PM MDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 26 counties
Beaverhead County, MT, Broadwater County, MT, Cascade County, MT, Chouteau County, MT, Deer Lodge County, MT, Gallatin County, MT, Glacier County, MT, Granite County, MT, Hill County, MT, Jefferson County, MT, Judith Basin County, MT, Lake County, MT, Lewis and Clark County, MT, Liberty County, MT, Madison County, MT, Meagher County, MT, Missoula County, MT, Park County, MT, Pondera County, MT, Powell County, MT, Ravalli County, MT, Silver Bow County, MT, Sweet Grass County, MT, Teton County, MT, Toole County, MT, Wheatland County, MT
The radar
The Great Falls radar (KTFX), 73 km from the middle of the area, began a volume at 19:37 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 7.6 hours before the alert went out and 99 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
- 2177 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
<!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>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 2:10 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Broadwater, Cascade, Deer Lodge, Fergus, Gallatin and 8 more | 6 hr |
| Jul 10, 2:39 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Fallon | 2 hr |
| Jul 10, 2:56 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Fallon | 2 hr |
| Jul 10, 4:37 PM MDT | Mesoscale Discussion | SPC | Blaine, Cascade, Chouteau, Fergus, Garfield, Golden Valley and 8 more | 113 min |
| Jul 10, 5:30 PM MDT | Severe Thunderstorm Watch | SPC | Custer, Dawson, Fallon, Garfield, McCone, Prairie and 4 more | 7 hr |
Nearby
Mesoscale Discussions in Montana, 2004Every mesoscale discussion in 2004
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.