Alert archive / Montana / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 28, NWS Billings, MT

May 23, 2018Rosebud County, Montana

NWS Billings, MT issued this severe thunderstorm warning at May 23, 2018, 6:37 PM MDT for Rosebud County, Montana. It was in force for 53 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: May 23, 2018, 6:37 PM MDT (00:37 UTC)
Expired: May 23, 2018, 7:30 PM MDT
In force: 53 min
Issued by: NWS Billings, MT
Area: Storm-based polygon
Hail: 1.5 in
Wind: 70.0 mph

County Rosebud County, MT

The radar

The Billings radar (KBLX), 151 km from the middle of the area, began a volume at 00:37 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.

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 May 23, 5:50 PM MDT, 47 minutes earlier.

Area forecast discussion, May 23, 5:50 PM MDT, 47 minutes before

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Hazardous weather outlook, May 23, 3:17 AM MDT, 15 hours 20 minutes before

Hazardous Weather Outlook
National Weather Service Billings MT
317 AM MDT Wed May 23 2018

MTZ030>041-056>058-064>068-WYZ098-099-231030-
Treasure-Northern Rosebud-Custer-Fallon-Northern Stillwater-
Yellowstone-Powder River-Carter-Southern Big Horn-Eastern Carbon-
Northern Park-Northern Sweet Grass-Red Lodge Foothills-
Northern Big Horn-Southern Rosebud-Paradise Valley-Livingston Area-
Beartooth Foothills-Absaroka/Beartooth Mountains-Crazy Mountains-
Northeast Bighorn Mountains-Sheridan Foothills-
317 AM MDT Wed May 23 2018

This Hazardous Weather Outlook is for portions of south central
Montana...southeast Montana and north central Wyoming.

* WHAT...Showers and thunderstorms, with potential for heavy
  rainfall and a few severe thunderstorms.

* WHERE...Southern Montana and northern Wyoming.

* WHEN...Today.

* ADDITIONAL DETAILS...A few severe thunderstorms capable of
  producing large hail and strong winds are possible from Hysham to
  Lame Deer eastward this afternoon and evening.

* ADDITIONAL HAZARD CONCERNS...Showers and thunderstorms will
  produce areas of heavy rainfall. Some rivers and streams could
  see aggressive rises from this rainfall. Localized low land
  flooding is possible as well.

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

Special weather statement, May 23, 3:58 PM MDT, 2 hours 39 minutes before

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Local storm report, May 23, 4:34 PM MDT, 2 hours 3 minutes before

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Special weather statement, May 23, 4:52 PM MDT, 1 hour 45 minutes before

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Special weather statement, May 23, 5:06 PM MDT, 1 hour 31 minutes before

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Special weather statement, May 23, 5:31 PM MDT, 1 hour 6 minutes before

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Special weather statement, May 23, 5:54 PM MDT, 43 minutes before

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The office that day

Everything else NWS Billings, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 23, 6:12 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Rosebud, Treasure, Yellowstone	63 min
May 23, 6:14 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	61 min
May 23, 6:18 PM MDT	Severe Thunderstorm Warning	BYZ	Custer	57 min
May 23, 6:58 PM MDT	Special Weather Statement	BYZ	Fallon	62 min
May 23, 7:16 PM MDT	Severe Thunderstorm Warning	BYZ	Custer, Powder River	59 min
May 24, 10:28 AM MDT	River Flood Warning	BYZ	Wheatland	49 hr
May 24, 11:57 AM MDT	River Flood Warning	BYZ	Park, Sweet Grass	15 days
May 24, 1:37 PM MDT	River Flood Watch	BYZ	Rosebud, Treasure	5 days
May 24, 1:37 PM MDT	River Flood Watch	BYZ	Custer	46 hr
May 24, 2:13 PM MDT	River Flood Watch	BYZ	Stillwater	46 hr

Nearby

Severe Thunderstorm Warnings in Montana, 2018 Every 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; radar from the NEXRAD Level II archive.