Alert archive / Montana / Wind Chill Advisories in 2018
Wind Chill Advisory 4, NWS Billings, MT
NWS Billings, MT issued this wind chill advisory at Feb 9, 2018, 2:55 PM MST for 10 counties in Montana. It took effect at Feb 9, 2018, 6:00 PM MST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Feb 9, 2018, 2:55 PM MST (21:55 UTC)
- In effect from
- Feb 9, 2018, 6:00 PM MST
- Expired
- Feb 10, 2018, 11:38 AM MST
- In force
- 18 hr
- Issued by
- NWS Billings, MT
Counties Big Horn County, MT, Carter County, MT, Custer County, MT, Fallon County, MT, Golden Valley County, MT, Musselshell County, MT, Powder River County, MT, Rosebud County, MT, Treasure County, MT, Wheatland County, MT
The radar
The Billings radar (KBLX), 134 km from the middle of the area, began a volume at 22:01 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 12:00Z, 9.9 hours before the alert went out and 240 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
- 724 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Wind Chill Advisories in Montana, 2018Every wind chill advisory 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.