Alert archive / Montana / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 151, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Aug 10, 2019, 8:55 PM MDT for Wheatland County, Montana. It was in force for 29 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
- Aug 10, 2019, 8:55 PM MDT (02:55 UTC)
- Expired
- Aug 10, 2019, 9:24 PM MDT
- In force
- 29 min
- Issued by
- NWS Billings, MT
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
County Wheatland County, MT
The radar
The Billings radar (KBLX), 117 km from the middle of the area, began a volume at 02:57 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 |
|---|---|---|---|
| Aug 10, 3:04 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Great_falls, MT (KTFX), launched 00:00Z, 2.9 hours before the alert went out and 125 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
- 2 J/kg
- Mixed-layer CIN
- -248 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aug 10, 8:14 PM MDT, 41 minutes earlier.
Area forecast discussion, Aug 10, 8:14 PM MDT, 41 minutes before
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</html>Hazardous weather outlook, Aug 10, 4:10 AM MDT, 16 hours 45 minutes before
Hazardous Weather Outlook National Weather Service Billings MT 410 AM MDT Sat Aug 10 2019 MTZ028>042-056>058-063>068-WYZ098-099-111015- 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- 410 AM MDT Sat Aug 10 2019 This Hazardous Weather Outlook is for portions of central Montana...south central Montana...southeast Montana and north central Wyoming. * WHAT...Severe thunderstorms. * WHERE...South central and southeastern Montana and north central Wyoming. * WHEN...This afternoon and evening and Sunday afternoon and evening. * ADDITIONAL DETAILS...Thunderstorms could produce large hail, strong wind gusts and heavy rain. Be prepared if you have outdoor plans. 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, Aug 10, 5:08 PM MDT, 3 hours 47 minutes before
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</html>Local storm report, Aug 10, 5:11 PM MDT, 3 hours 44 minutes before
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</html>Special weather statement, Aug 10, 5:23 PM MDT, 3 hours 32 minutes before
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</html>Special weather statement, Aug 10, 5:28 PM MDT, 3 hours 27 minutes before
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</html>Special weather statement, Aug 10, 5:43 PM MDT, 3 hours 12 minutes before
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</html>Special weather statement, Aug 10, 6:15 PM MDT, 2 hours 40 minutes before
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</html>The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 6:15 PM MDT | Special Weather Statement | BYZ | Golden Valley | 30 min |
| Aug 10, 8:29 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 31 min |
| Aug 10, 9:27 PM MDT | Special Weather Statement | BYZ | Golden Valley, Wheatland | 63 min |
| Aug 11, 3:47 AM MDT | Flash Flood Watch | BYZ | Carter | 24 hr |
| Aug 11, 10:16 AM MDT | Special Weather Statement | BYZ | Rosebud | 44 min |
| Aug 11, 11:14 AM MDT | Special Weather Statement | BYZ | Rosebud | 46 min |
| Aug 11, 11:47 AM MDT | Special Weather Statement | BYZ | Prairie | 43 min |
| Aug 11, 1:32 PM MDT | Special Weather Statement | BYZ | Park | 43 min |
| Aug 11, 2:15 PM MDT | Severe Thunderstorm Warning | BYZ | Park, Sweet Grass | 45 min |
| Aug 11, 2:47 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 28 min |
| Aug 11, 2:55 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Sweet Grass, Wheatland | 50 min |
| Aug 11, 3:33 PM MDT | Special Weather Statement | BYZ | Wheatland | 27 min |
| Aug 11, 3:41 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 64 min |
| Aug 11, 3:42 PM MDT | Special Weather Statement | BYZ | Carter | 63 min |
| Aug 11, 3:55 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass, Wheatland | 50 min |
| Aug 11, 4:16 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 29 min |
| Aug 11, 4:27 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 63 min |
| Aug 11, 4:54 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 66 min |
| Aug 11, 5:32 PM MDT | Special Weather Statement | BYZ | Carbon | 58 min |
| Aug 11, 5:54 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Sweet Grass | 36 min |
| Aug 11, 5:59 PM MDT | Special Weather Statement | BYZ | Big Horn | 61 min |
| Aug 11, 5:59 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 31 min |
| Aug 10, 6:10 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 26 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2019Every severe thunderstorm warning in 2019
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.