Thunderstorm Wind in Powell County, Montana

Thunderstorm Wind June 8, 2016 · Powell County, Montana

60 mph

Measured gust (52 kt)

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

The Montana DOT weather sensor north of Avon, MT reported a gust of 60 mph between 9:38pm MDT and 9:45pm MDT. Sustained winds at this time were 49 mph.

The wider storm

The Northern Rockies were under southwest flow ahead of a large low pressure system off the West Coast. A shortwave trough and associated jet streak were moving through the southwest flow providing upper level forcing for thunderstorms. Precipitable water values ranged from 0.75 to 1.00 inches, with deep shear of 50 kts, and CAPE values of 500 to 1000 J/kg. Short range models highlighted long-lived storm modes over the area. A convective watch was issued around 3 pm MDT highlighting an atmosphere favorable for strong thunderstorm development.

Began near Avon (46.7202, -112.6675).

Source: NOAA Storm Events Database, event 644887. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.