SOUTHWESTERLY ONSHORE FLOW

SYNOPSIS..A LOW PRESSURE CENTRED OVER NORTHERN GULF OF ALASKA IS SETTING UP A SOUTHWESTERLY ONSHORE FLOW OVER SOUTHERN BC. A SERIES OF FRONTAL BAND WILL MOVE OVER THE SOUTH COAST THROUGH SATURDAY, BRINGING SNOW AND STRONG WINDS.

TODAY..PERIODS OF SNOW BEGINNING THIS MORNING.
ALPINE HIGH MINUS 3.
SNOWFALL ACCUMULATION 10 TO 15 CM.
FREEZING LEVEL NEAR THE VALLEY RISING TO 1000 METRES THIS AFTERNOON.
MOUNTAIN TOP WINDS SOUTHWEST 30 TO 50 KM/H INCREASING TO SOUTH 50 TO 70 KM/H THIS MORNING AND GUSTING TO 90 KM/H LATE THIS AFTERNOON.
TONIGHT..PERIODS OF SNOW.
ALPINE LOW MINUS 4.
SNOWFALL ACCUMULATION 10 TO 20 CM.
FREEZING LEVEL NEAR 1000 METRES FALLING TO THE VALLEY.
MOUNTAIN TOP WINDS SOUTHWEST 70 GUSTING TO 90 KM/H DIMINISHING TO SOUTHWEST 30 TO 50 KM/H THIS EVENING.
FRIDAY..PERIODS OF SNOW.
ALPINE HIGH MINUS 2.
SNOWFALL ACCUMULATION 10 TO 20 CM.
FREEZING LEVEL NEAR THE VALLEY RISING TO 1200 METRES IN THE AFTERNOON.
MOUNTAIN TOP WINDS SOUTH 40 TO 60 KM/H.

5 DAY TREND..AN INTENSE LOW PRESSURE SYSTEM WILL MOVE THROUGH THE REGION ON SUNDAY, BRINGING HIGHER FREEZING LEVELS AND HEAVY RAIN AMOUNTS. THE AIRMASS WILL COOL OFF ON MONDAY IN BEHIND THE SYSTEM.

EXTENDED FORECAST
SATURDAY.. PERIODS OF SNOW.
SNOWFALL ACCUMULATION 10 TO 20 CM.
FREEZING LEVEL NEAR 1000 METRES.
SUNDAY.. RAIN AT TIMES HEAVY CHANGING TO SNOW.
SNOWFALL ACCUMULATION 5 TO 10 CM.
RAINFALL AMOUNTS 40 TO 50 MM.
FREEZING LEVEL 2500 METRES FALLING TO 1500 METRES.
MONDAY.. CLOUDY WITH SUNNY PERIODS. 30 PERCENT CHANCE OF FLURRIES.
FREEZING LEVEL NEAR THE VALLEY