Alert archive / Montana / Wind Advisories in 2017
Wind Advisory 20, NWS Billings, MT
NWS Billings, MT issued this wind advisory at Nov 28, 2017, 8:52 PM MST for Park County, Stillwater County, Sweet Grass County, Montana. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Nov 28, 2017, 8:52 PM MST (03:52 UTC)
- Expired
- Nov 29, 2017, 1:49 PM MST
- In force
- 17 hr
- Issued by
- NWS Billings, MT
Counties Park County, MT, Stillwater County, MT, Sweet Grass County, MT
The radar
The Billings radar (KBLX), 107 km from the middle of the area, began a volume at 03:53 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
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 3.9 hours before the alert went out and 382 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
- 2157 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind advisory 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 wind advisory went out at Nov 28, 2:45 PM MST, 6 hours 7 minutes earlier.
Area forecast discussion, Nov 28, 2:45 PM MST, 6 hours 7 minutes before
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</html>Hazardous weather outlook, Nov 28, 2:02 PM MST, 6 hours 50 minutes before
Hazardous Weather Outlook National Weather Service Billings MT 202 PM MST Tue Nov 28 2017 MTZ028>042-056>058-063>068-WYZ098-099-282215- 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- 202 PM MST Tue Nov 28 2017 This Hazardous Weather Outlook is for portions of central Montana...south central Montana...southeast Montana and north central Wyoming. * WHAT...West to northwest winds with gusts of 35 to 50 mph possible. Some locations could potentially see gusts up to 60 mph. * WHERE...Areas of south central and southeast Montana, as well as north central Wyoming. * WHEN...Wednesday morning and afternoon. Winds are expected to diminish Wednesday evening. * ADDITIONAL HAZARD CONCERNS...Potentially hazardous crosswinds across area highways and roads. 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. &&
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 29, 3:02 AM MST | High Wind Warning | BYZ | Carter, Custer, Fallon, Golden Valley, Powder River, Rosebud and 1 more | 14 hr |
Nearby
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.