Alert archive / North Dakota / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 120, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 28, 2018, 6:02 AM MDT for Adams County, Bowman County, North Dakota. It was in force for 58 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 28, 2018, 6:02 AM MDT (12:02 UTC)
- Expired
- Jun 28, 2018, 7:00 AM MDT
- In force
- 58 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
Counties Adams County, ND, Bowman County, ND
The radar
The Bismarck radar (KBIS), 189 km from the middle of the area, began a volume at 12:03 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
Bismarck Municip, ND (KBIS), launched 12:00Z, 0.0 hours before the alert went out and 193 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
- 1855 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 945 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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 Bismarck, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 4:50 AM MDT, 1 hour 12 minutes earlier.
Area forecast discussion, Jun 28, 4:50 AM MDT, 1 hour 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>Hazardous weather outlook, Jun 28, 2:44 AM MDT, 3 hours 18 minutes before
Hazardous Weather Outlook National Weather Service Bismarck ND 344 AM CDT Thu Jun 28 2018 NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-290845- Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Sheridan-Wells- Foster-Golden Valley-Billings-Stark-Morton-Burleigh-Kidder- Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan- La Moure-McIntosh-Dickey- 344 AM CDT Thu Jun 28 2018 /244 AM MDT Thu Jun 28 2018/ This Hazardous Weather Outlook is for portions of north central North Dakota, northwest North Dakota, south central North Dakota, southeast North Dakota, and southwest North Dakota. .DAY ONE...Today and Tonight A significant and widespread severe weather event is possible across western and central North Dakota Thursday and Thursday night. However some sources of uncertainty still remain, including impacts from morning storms, storm coverage south of the warm front, and eventual location of the warm front. A few strong to severe storms will continue to be possible this morning with large hail up to half dollar size possible, but the overall threat will be much higher later this afternoon and tonight. Scattered thunderstorms may form along a warm front between I-94 and US Highway 2 Thursday afternoon. More numerous thunderstorms are expected Thursday evening and into the night across a larger portion of western and central North Dakota. Thunderstorms that form Thursday afternoon through Thursday night are likely to become severe. Very large hail to around baseball size, damaging winds to near 75 mph, a few tornadoes, and localized flash flooding are the primary threats. .DAYS TWO THROUGH SEVEN...Friday through Wednesday The chance for thunderstorms continues Friday and Saturday across much of western and central North Dakota. A few storms could be strong Friday across the far south central and James River Valley, but severe weather is not anticipated at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is likely across western and central North Dakota on Thursday. A significant and widespread severe weather event is possible. ZH
In the hours before
Special weather statement, Jun 28, 1:30 AM MDT, 4 hours 32 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 28, 2:02 AM MDT, 4 hours 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>Special weather statement, Jun 28, 2:17 AM MDT, 3 hours 45 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>Special weather statement, Jun 28, 4:08 AM MDT, 1 hour 54 minutes before
Special Weather Statement National Weather Service Bismarck ND 408 AM MDT THU JUN 28 2018 NDZ040-043-281100- Slope ND-Bowman ND- 408 AM MDT THU JUN 28 2018 ...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN BOWMAN AND WESTERN SLOPE COUNTIES UNTIL 500 AM MDT... At 407 AM MDT, a strong thunderstorm was located 10 miles southwest of Marmarth, or 14 miles southeast of Baker, moving northeast at 25 mph. Nickel size hail will be possible with this storm. Locations impacted include... Rhame, Marmarth, Griffin, Sunset Butte and Pretty Butte. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. LAT...LON 4635 10404 4656 10366 4608 10349 4607 10405 TIME...MOT...LOC 1007Z 243DEG 21KT 4620 10410 HARGROVE
Special weather statement, Jun 28, 5:11 AM MDT, 51 minutes before
Special Weather Statement
National Weather Service Bismarck ND
511 AM MDT THU JUN 28 2018
NDZ040-043-281200-
Slope ND-Bowman ND-
511 AM MDT THU JUN 28 2018
...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN BOWMAN AND
SOUTHWESTERN SLOPE COUNTIES UNTIL 600 AM MDT...
At 511 AM MDT, a strong thunderstorm was located 7 miles west of
Marmarth, or 10 miles east of Baker, moving east at 20 mph.
Nickel size hail and wind gusts to 40 mph will be possible with this
storm.
Locations impacted include...
Marmarth and Pretty Butte.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 4642 10405 4643 10404 4652 10366 4628 10357
4623 10404
TIME...MOT...LOC 1111Z 257DEG 17KT 4633 10406
HARGROVELocal storm report, Jun 28, 5:46 AM MDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
646 AM CDT THU JUN 28 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0642 AM HAIL BOWMAN 46.18N 103.39W
06/28/2018 M1.00 INCH BOWMAN ND EMERGENCY MNGR
&&The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 1:30 AM MDT | Special Weather Statement | BIS | Morton | 45 min |
| Jun 28, 1:52 AM MDT | Severe Thunderstorm Warning | BIS | Burleigh | 53 min |
| Jun 28, 2:17 AM MDT | Special Weather Statement | BIS | Mercer | 28 min |
| Jun 28, 4:08 AM MDT | Special Weather Statement | BIS | Bowman | 52 min |
| Jun 28, 4:57 AM MDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Slope | 63 min |
| Jun 28, 5:11 AM MDT | Special Weather Statement | BIS | Slope | 49 min |
| Jun 28, 7:00 AM MDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Sioux | 60 min |
| Jun 28, 7:56 AM MDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 64 min |
| Jun 28, 8:58 AM MDT | Severe Thunderstorm Warning | BIS | Emmons, Sioux | 47 min |
| Jun 28, 9:37 AM MDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger | 53 min |
| Jun 28, 1:01 PM MDT | Flash Flood Watch | BIS | Billings, Bottineau, Burke, Divide, Dunn, Golden Valley and 10 more | 14 hr |
| Jun 28, 3:17 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 43 min |
| Jun 28, 4:04 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 23 min |
| Jun 28, 5:32 PM MDT | Severe Thunderstorm Warning | BIS | Dunn | 58 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.