Alert archive / Montana / Red Flag Warnings in 2017
Red Flag Warning 14, NWS Billings, MT
NWS Billings, MT issued this red flag warning at Oct 24, 2017, 3:01 PM MDT for 15 counties in Montana; Sheridan County, Wyoming. It took effect at Oct 25, 2017, 10:00 AM MDT. It was in force for 17 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 24, 2017, 3:01 PM MDT (21:01 UTC)
- In effect from
- Oct 25, 2017, 10:00 AM MDT
- Expired
- Oct 26, 2017, 3:17 AM MDT
- In force
- 17 hr
- Issued by
- NWS Billings, MT
Counties Big Horn County, MT, Carbon County, MT, Carter County, MT, Custer County, MT, Fallon County, MT, Golden Valley County, MT, Musselshell County, MT, Park County, MT, Powder River County, MT, Rosebud County, MT, Stillwater County, MT, Sweet Grass County, MT, Treasure County, MT, Wheatland County, MT, Yellowstone County, MT, Sheridan County, WY
The radar
The Billings radar (KBLX), 71 km from the middle of the area, began a volume at 20:59 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
Great_falls, MT (KTFX), launched 12:00Z, 9.0 hours before the alert went out and 285 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
- 2248 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 258 m²/s²
- 0-3 km storm-relative helicity
- 355 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag 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 red flag warning went out at Oct 24, 10:10 AM MDT, 4 hours 51 minutes earlier.
Area forecast discussion, Oct 24, 10:10 AM MDT, 4 hours 51 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, Oct 24, 3:01 AM MDT, 12 hours before
Hazardous Weather Outlook National Weather Service Billings MT 301 AM MDT Tue Oct 24 2017 MTZ028>042-056>058-063>068-WYZ098-099-250915- Southern Wheatland-Musselshell-Treasure-Northern Rosebud-Custer- Fallon-Northern Stillwater-Yellowstone-Powder River-Carter- Southern Big Horn-Eastern Carbon-Northern Park- Northern Sweet Grass-Golden Valley-Red Lodge Foothills- Northern Big Horn-Southern Rosebud-Judith Gap-Paradise Valley- Livingston Area-Beartooth Foothills-Absaroka/Beartooth Mountains- Crazy Mountains-Northeast Bighorn Mountains-Sheridan Foothills- 301 AM MDT Tue Oct 24 2017 This Hazardous Weather Outlook is for portions of central Montana...south central Montana...southeast Montana and north central Wyoming. * WHAT...Fire weather and strong wind concerns. * WHERE...Across the region. * WHEN...Wednesday and Wednesday night. * ADDITIONAL DETAILS...Wednesday will be warm, dry and windy. Expect temps in the 70s, humidity in the low teens, and increasing west winds. Gusts of 50 to 60 mph are possible from Livingston and Nye, to Big Timber and Harlowton, with gusts of 30 to 50 mph further east. A strong cold front will bring a shift to gusty northwest winds by Wednesday evening. Some snow showers are expected late Wednesday night into early Thursday, with minor accumulations possible, mainly along the southern foothills. * ADDITIONAL HAZARD CONCERNS...Travel will be impacted by gusty crosswinds Wednesday into Wednesday night. Some slick roads are possible along the foothills Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Hazardous Weather Outlook is issued when hazardous weather could impact the region within the next week. Be sure to stay tuned for future updates as locations, timing, and impacts could change. Begin preparations to mitigate any impacts that could result from the hazardous weather. &&
In the hours before
Local storm report, Oct 24, 10:14 AM MDT, 4 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1014 AM MDT TUE OCT 24 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1000 AM NON-TSTM WND GST 2 SSW BIG TIMBER 45.81N 109.98W
10/24/2017 M55.00 MPH SWEET GRASS MT AWOS
&&
TWHThe office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 2:46 AM MDT | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 42 hr |
| Oct 24, 3:17 PM MDT | High Wind Warning | BYZ | Golden Valley, Wheatland | 38 hr |
Nearby
Red Flag Warnings in Montana, 2017Red Flag Warnings in Wyoming, 2017Every red flag warning 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.