The advancing system in the west has cut power to thousands in BC with it’s fierce winds, heading into AB and SK where warnings and statements are widespread. The possibility is for gusts in the 90 – 100km/h range in the warned regions.
A peak strength near 980mb is quite intense but the storm will steadily weaken moving across SK and towards MB later in the week.
In terms of precipitation totals this is the latest outlook from the 00z HRDPS @ hour 48:
EDIT: Adding in EC’s summaries for this event as they’re made available.
Weather summary for British Columbia issued by Environment Canada at 7:40 a.m. PDT Wednesday 24 May 2017. Discussion. An intense cold front swept across B.C. last night producing strong and gusty winds. The following are notable peak wind gusts in km/h from around the province. 1. Metro Vancouver: Vancouver International 89 Point Atkinson 80 Tsawwassen Ferry Terminal 80 2. Fraser Valley: Abbotsford International 54 Hope 87 3. Greater Victoria: Gonzales 94 Trial Island Lighthouse 115 4. East Vancouver Island/Sunshine Coast: Comox 70 Entrance Island 72 Grief Point 78 Merry Island 89 5. Sea to Sky: Pam Rocks 67 Squamish 54 Pemberton 81 6. West Vancouver Island: Tofino 74 Lennard Lighthouse 76 7. Central Interior: Prince George 94 Quesnel 67 Clearwater 91 8. Southern Interior: Salmon Arm 80 Kamloops 74 Kelowna 74 Penticton 78 Revelstoke 76 Blue River 69 Lytton 80 Please note that this summary may contain preliminary or unofficial information and does not constitute a complete or final report. End/PSPC
Weather summary for Alberta updated by Environment Canada at 7:46 p.m. MDT Wednesday 24 May 2017. Discussion. A low pressure system moved into Alberta overnight Tuesday. This system has created significant wind gusts to 117 kilometres per hour and up to 50 millimetres of precipitation. Local accumulations of snow were also observed along the Alberta Foothills and Mountain Park regions. Wind warnings and special weather statements remain in effect. The following is a summary of weather event information received by Environment Canada by 7 pm. Summary of peak wind reports over the last 12 hours in kilometres per hour: Keoma 117 Beiseker 113 Edmonton University of Alberta South Campus 107 Gleichen 107 Leedale 107 Waterton Park Gate 107 Crestomere 106 Neir 106 Kinikinik 100 Lacombe 100 Edmonton Namao 98 Olds 98 Standard 98 Strathmore 98 Bassano 96 Edmonton International Airport 96 Hespero 96 Prentiss 96 St. Francis 94 Three Hills 94 Waterton Dam 94 Blood Tribe 93 Pincher Creek 93 St. Albert 93 Wrentham 93 Milk River 91 Barnwell 89 Brocket 89 Calgary 89 Del Bonita 89 Lethbridge 89 Raymond 89 Summary of precipitation amounts over the last 24 hours in millimetres: Rocky Mountain House 50.1 Nordegg 47.1 Breton 44.9 Beaverlodge 44.8 Edmonton International Airport 39.9 Sundre 38.4 La Glace 35.5 Edmonton Blachford 32.3 Crestomere 30.5 Stony Plain 30 Camrose 29.5 Smoky Lake 28.9 Jasper Warden 27.5 Springbank Airport 25.1 Olds 25.1 High Prairie 24.9 Edson 22.6 Please note that this summary may contain preliminary or unofficial information and does not constitute a complete or final report. End/PASPC
Weather summary for Saskatchewan issued by Environment Canada at 6:17 p.m. CST Wednesday 24 May 2017. Discussion. A strong low pressure system approaching from Alberta brought very strong south to southwest winds to much of southern Saskatchewan today. Some of the stronger wind gusts were associated with thunderstorms. There were photos and videos on social media showing poor visibilities due to blowing dust. A funnel cloud was observed just south of Lloydminster on the Saskatchewan side. In addition, power outages along with some wind damage were reported in Saskatoon and Regina. The following is a summary of some of the peak wind gusts reported today. Saskatoon 105 km/h Leader 102 km/h Regina 94 km/h Lucky Lake 93 km/h Val Marie 91 km/h Swift Current 89 km/h Weyburn 87 km/h Yellow Grass 87 km/h Moose Jaw 85 km/h Wynyard 83 km/h Watrous 83 km/h Estevan 78 km/h Rosetown 78 km/h Please note that this summary may contain preliminary or unofficial information and does not constitute a complete or final report. End/PASPC
Rounds of precip are also headed for parts of the east over the coming days as a disturbance pushes through ON & QC before tracking towards Atlantic Canada late-week into the weekend.
06z RDPS @ hour 24 / 36 / 48:
Farther out towards the end of the month it appears there could be some broad reinforcement of lower heights and unsettled conditions in the region while stout ridging returns to the west.
00z GFS ensembles 500mb height anomalies @ hour 168 / day 7: