Weather statements related to a deepening low expected to track across the Prairies over the coming days are now in place for BC and AB. This could be an unusually strong system with both a nasty wind component and significant amounts of associated moisture before it degrades moving east.
This is the recent outlook from the 06z GFS @ hour 24 / 36 / 48:
Total precip-type @ hour 72:
Verification of the May 4th run of the Euro weeklies, spanning the May 11 – 18th time period.
The update from yesterday evening which extends into June.