May 18 - 1600 UTC

FORECASTER: André Bertoncini
 
REGIONAL SYNOPSIS: The synoptic situation that is causing this light intensity albeit widespread precipitation is a through that is situated in the Canadian Rockies. The general wind circulation caused by this through is from SE. Radar at the moment shows a large band of light precipitation stretching along the Canadian Rockies axis. CaPA is showing a 1 mm precipitation accumulation along the continental divide in the past 6 hours from 0600Z.

Nipika
In this side of the divide the total precipitation accumulation is expected to be around ~ 2 mm. Rainfall will start in the morning and with a slight chance to transition to snowfall around 1800Z – an hour later peak intensity of precipitation is expected to happen. Temperatures during the event will vary between 2 to 4 ºC.

Fortress
The high resolution models are forecasting snowfall from 1400Z to 2300Z. Snowfall peak intensity is expected around 1800Z and the total accumulation for this event will be ~ 4 cm. Temperatures during the event are expected to vary between -3 and -2 ºC.