Alert archive / Montana / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 82, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Jun 7, 2018, 8:12 PM MDT for Carter County, Montana. It was in force for 63 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
- Jun 7, 2018, 8:12 PM MDT (02:12 UTC)
- Expired
- Jun 7, 2018, 9:15 PM MDT
- In force
- 63 min
- Issued by
- NWS Billings, MT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Carter County, MT
The radar
The Rapid City radar (KUDX), 205 km from the middle of the area, began a volume at 02:15 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 7, 3:49 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Rapid City, SD (KRAP), launched 00:00Z, 2.2 hours before the alert went out and 207 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
- 2036 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1544 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 5.6
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 Billings, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 7, 7:53 PM MDT, 19 minutes earlier.
Area forecast discussion, Jun 7, 7:53 PM MDT, 19 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, Jun 7, 2:32 PM MDT, 5 hours 40 minutes before
Hazardous Weather Outlook National Weather Service Billings MT 232 PM MDT Thu Jun 7 2018 MTZ028>042-056>058-063>068-WYZ098-099-080300- 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- 232 PM MDT Thu Jun 7 2018 This Hazardous Weather Outlook is for portions of central Montana...south central Montana...southeast Montana and north central Wyoming. * WHAT...Strong to severe thunderstorms possible. * WHERE...Southern Montana and north-central Wyoming. * WHEN...This afternoon and evening. * ADDITIONAL DETAILS...The main hazards are large hail and damaging winds. Also these storms could produce heavy rainfall. 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, Jun 7, 6:47 PM MDT, 1 hour 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
647 PM MDT THU JUN 07 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0510 PM TSTM WND GST 3 SSE CROW AGENCY 45.57N 107.44W
06/07/2018 M65.00 MPH BIG HORN MT MESONET
0632 PM HAIL 7 SSW ASHLAND 45.50N 106.31W
06/07/2018 M0.25 INCH ROSEBUD MT TRAINED SPOTTER
0637 PM TSTM WND GST FORSYTH 46.26N 106.69W
06/07/2018 M65.00 MPH ROSEBUD MT TRAINED SPOTTER
POWER LINES AND TREES DOWN
0637 PM HAIL FORSYTH 46.27N 106.65W
06/07/2018 M0.75 INCH ROSEBUD MT TRAINED SPOTTER
POWER OUTAGE; SMALL COTTONWOOD BRANCHES DOWN; HEAVY
RAINFALL
0637 PM TSTM WND DMG FORSYTH 46.26N 106.69W
06/07/2018 ROSEBUD MT TRAINED SPOTTER
POWER LINES AND TREES DOWN
&&
ARTHURSpecial weather statement, Jun 7, 7:08 PM MDT, 1 hour 4 minutes before
Special Weather Statement National Weather Service Billings MT 708 PM MDT THU JUN 7 2018 MTZ032-080130- Custer MT- 708 PM MDT THU JUN 7 2018 ...SIGNIFICANT WEATHER ADVISORY... At 707 PM MDT, Doppler radar was tracking a strong thunderstorm 9 miles north of Volborg, or 31 miles south of Miles City, moving east at 35 mph. Wind gusts up to 50 mph, small hail and very heavy rainfall, are all possible with this storm. Locations impacted include... Volborg. A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for southeastern Montana. LAT...LON 4579 10589 4616 10590 4613 10494 4579 10494 TIME...MOT...LOC 0107Z 259DEG 29KT 4597 10562 TWH
Special weather statement, Jun 7, 7:10 PM MDT, 1 hour 2 minutes before
Special Weather Statement National Weather Service Billings MT 710 PM MDT THU JUN 7 2018 MTZ036-037-080230- Powder River MT-Carter MT- 710 PM MDT THU JUN 7 2018 ...SIGNIFICANT WEATHER ADVISORY... At 707 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from near Volborg to 17 miles north of Recluse. Movement was east at 35 mph. Wind gusts of 45 to 55 mph along with dime size hail and heavy rain are possible with these storms. Another storm about 15 miles east of Broadus was nearly stationary and is capable of producing nickel size hail and very heavy rain. Locations impacted include... Broadus, Biddle, Olive, Sonnette, Hammond, Moorhead, Powderville, Boyes, Belle Creek and Ridge. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is occurring with these storms, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for southeastern Montana. LAT...LON 4500 10590 4579 10583 4579 10476 4500 10478 TIME...MOT...LOC 0107Z 262DEG 29KT 4581 10576 4498 10584 Lester
Local storm report, Jun 7, 7:24 PM MDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
724 PM MDT THU JUN 07 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0619 PM TSTM WND DMG ROSEBUD 46.18N 106.48W
06/07/2018 ROSEBUD MT TRAINED SPOTTER
COTTONWOOD TREE DOWN BLOCKING SOUTH LANE OF HWY 447 SOUTH
OF ROSEBUD. REPORTED BY STORM CHASERS.
0625 PM TSTM WND GST ROSEBUD 46.27N 106.45W
06/07/2018 M65.00 MPH ROSEBUD MT TRAINED SPOTTER
BROKEN HIGHWAY SIGNS ON I94 REPORTED BY STORM CHASERS.
0630 PM TSTM WND GST 2 NNW FORSYTH 46.30N 106.70W
06/07/2018 M56.00 MPH ROSEBUD MT MESONET
0639 PM TSTM WND GST 2 NNW FORSYTH 46.30N 106.70W
06/07/2018 M56.00 MPH ROSEBUD MT MESONET
0641 PM TSTM WND GST 2 NNW FORSYTH 46.30N 106.70W
06/07/2018 M51.00 MPH ROSEBUD MT MESONET
0702 PM TSTM WND GST 3 WNW MILES CITY 46.43N 105.89W
06/07/2018 M61.00 MPH CUSTER MT ASOS
&&
ARTHURSpecial weather statement, Jun 7, 7:56 PM MDT, 16 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>Local storm report, Jun 7, 8:00 PM MDT, 12 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 Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 6:14 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River, Rosebud | 61 min |
| Jun 7, 6:21 PM MDT | Special Weather Statement | BYZ | Carter | 24 min |
| Jun 7, 6:26 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 34 min |
| Jun 7, 6:41 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 49 min |
| Jun 7, 6:46 PM MDT | Special Weather Statement | BYZ | Carter | 29 min |
| Jun 7, 7:00 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 60 min |
| Jun 7, 7:08 PM MDT | Special Weather Statement | BYZ | Custer | 22 min |
| Jun 7, 7:10 PM MDT | Special Weather Statement | BYZ | Powder River | 80 min |
| Jun 7, 7:30 PM MDT | Flash Flood Warning | BYZ | Custer | 3 hr |
| Jun 7, 7:33 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 42 min |
| Jun 7, 7:56 PM MDT | Special Weather Statement | BYZ | Fallon | 64 min |
| Jun 7, 9:12 PM MDT | Special Weather Statement | BYZ | Golden Valley | 48 min |
| Jun 7, 9:24 PM MDT | Special Weather Statement | BYZ | Golden Valley | 36 min |
| Jun 7, 10:08 PM MDT | Special Weather Statement | BYZ | Musselshell | 52 min |
| Jun 7, 10:29 PM MDT | Special Weather Statement | BYZ | Stillwater | 31 min |
| Jun 7, 11:10 PM MDT | Special Weather Statement | BYZ | Yellowstone | 35 min |
| Jun 8, 4:00 PM MDT | Special Weather Statement | BYZ | Stillwater | 45 min |
| Jun 8, 5:14 PM MDT | Special Weather Statement | BYZ | Big Horn | 31 min |
| Jun 8, 5:20 PM MDT | Special Weather Statement | BYZ | Carter | 40 min |
| Jun 8, 5:50 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 22 min |
| Jun 7, 6:01 PM MDT | Special Weather Statement | BYZ | Sheridan | 59 min |
| Jun 7, 6:27 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 34 min |
| Jun 8, 4:38 PM MDT | Special Weather Statement | BYZ | Sheridan | 22 min |
| Jun 8, 5:41 PM MDT | Special Weather Statement | BYZ | Sheridan | 49 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2018Every severe thunderstorm warning in 2018
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.