|Alpine Weather Report|
ISSUED: Thursday March 23, 2017 10:00 MDT
SYNOPSIS: A weak upper trough will exit east of the Rockies with scattered flurries during the next couple of hours. Limited moisture drifting over a flat ridge of high pressure suggests clouds, sunny breaks and a slight chance of precipitation during the remainder of today. High pressure should allow for greater but brief clearing this evening. Increasing cloud is anticipated late overnight and occasional snow should follow on Friday as another frontal system tracks northeastward from the coast of Washington.
FREEZING LEVEL: Rising to near 1700-1800 metres this afternoon. Dropping to near 1300 metres with a freezing layer also developing at surface tonight. Rising to between 1300 & 1600 metres Friday afternoon.
FERNIE ALPINE RESORT FORECAST (1615 metres):
TODAY: Mainly cloudy with a few flurries until late morning, otherwise cloudy with sunny breaks and a 40% chance of wet flurries. High near 2.
TONIGHT: Cloudy with fog patches and evening clear periods. Low near -3.
FRIDAY: Mainly cloudy, snow developing mid morning. Accumulation from 4 to 8 cm. Windy at times. High near 0.
FRIDAY NIGHT: Mainly cloudy with a few flurries and evening snow showers, accumulation from 5 to 10 cm. Gusty evening winds. Low near -2.
SATURDAY: Cloudy with a few sunny breaks and a 60% chance of flurries, possible afternoon snow showers. Minor to light accumulation. High near 1.
SUNDAY: Sunny with cloudy periods, possible early morning fog patches. High near 4.
MONDAY: Increasing cloud, 60% chance of afternoon precipitation. High near 3.
CONFIDENCE/DISCUSSION: Fair confidence. Another minor band of moisture drifting over the dirty ridge of high pressure could result in a greater than predicted chance of flurries during the late morning & early afternoon. The most recent guidance is trending a bit earlier with the arrival of the next system, light snow could develop near 9 AM. The snow level is a risk to briefly rise to near 1700 metres Friday afternoon. Airmass instability associated with an upper trough following the cold front should produce variable snow showers Friday evening, the initial cells could develop late Friday afternoon. An unstable airmass should linger for unsettled conditions on Saturday. High pressure should shift eastward across southern BC on Sunday. A moist southwesterly flow should redevelop Sunday night and Monday.