Soggy, Cool Start to Summer at 10:04 pm PT Tonight...June 20th

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  • Periods of rain will continue in the forecast today as the low pressure system spinning just south of Alberta continues to push moisture across the province and into the south coast
  • While the heaviest rain is falling and will continue to fall in SE Alberta, amounts for Vancouver will be close to 30 mm by the end of today
  • Temps are also cool- if YVR hits just 15 that will be the coolest high tin about 22 days. And yes Summer officially begins tonight at 10:04 pm PT
  • The rain should begin to weaken tonight but showers and low clouds will linger tomorrow morning
  • Possibly some breaks in the cloud by Friday afternoon and although it looks like we have showers back for Saturday am, Saturday afternoon and Sunday should also being some some and warmer temps
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Alberta Flooding: 30-50 mm More Before Easing Overnight 
  • Heavy rainfall will continue today but will begin to ease tonight.
  • The same intense low pressure system that has brought severe thundertsomrs (and a tornado last night) continue to push up into southern Alberta
  • Heavy downpours have already produced over 40-140 mm across southern AB. There is no obs station for Canmore but they likely received somewhere between 40-80 mm. Lots of terrain so amounts will widely vary
  • Another 30-50 mm is forecast today with over 50 mm possible over the foothills. 
  • The rain will weakens tonight and Friday, accumulations will gradually taper off. However, including today and the showers on Friday, another 50 to 100 mm of rain is possible.

24 rainfall totals so far:

Livingstone.............142.0 mm 
Bow Valley..............113.7 mm 
Crowsnest...............89.2 mm 
Brocket.................82.1 mm 
Claresholm..............74.6 mm 
Lethbridge..............72.7 mm 
Black Diamond...........69.1 mm 
Pincher Creek...........56.2 mm 
Banff...................53.6 mm 
Nordegg.................49.3 mm 
Sundre..................43.0 mm 

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Drew Goldsack

BC Rain Leading to Interior Mudslides
  • The same system has been spreading extensive moisture across Southern British Columbia since Wed am.
  • Rainfall amounts so far have been in the 20 to 40 mm range except over the southeast where rainfall amounts ranged from 60 to 100 mm. 
  • Additional rainfall amounts today will be in the 10 to 20 mm range but over the southeast amounts up to 30 mm are possible. 
  • Heavy rain will gradually ease over many areas later today as the low weakens. However rain will continue over the southeast where a further 10 to 20 mm is possible tonight. 
  • The rain is causing mudslides, floods and highway closures.One of the worst hit areas in British Columbia is the north end of Kootenay Lake, where two mudslides have closed Highway 31 in both directions north of Kaslo.
  • http://www.cbc.ca/news/canada/british-columbia/story/2013/06/20/bc-interior-storms-mudslides-rains-closures.html

24 rainfall totals so far: Daily rainfall records have also been broken

                
Sparwood            99
Cranbrook           56
Creston             46
Nelson              41
Nakusp              50
Warfield            34
Salmon Arm          43
Kelowna Airport     28
Vernon              38

Vancouver Weather

Tuesday

Sunny

3°C

Wednesday

Sunny

-1°C

Thursday

Snow

1°C

Friday

Rain or snow

3°C

Saturday

Snow or rain

1°C