03 May 2010

3rd May 2010 - Monday

High: 13.8
Low: 0.7
Days we didn't see any sun: (36)
Days swept snow from drive (0)
Days shovelled snow from drive (14)

It was a bright and sunny start to the day and +9 at 8.30am. It started to get very windy by around noon and it also started to cloud over.

It started to rain quite heavily at around 7pm which later turned into snow, although it didn't stick. It was very windy overnight.

The following weather warning is currently in place:

Wind Warning For: Calgary, Okotoks, High River & Claresholm
Strong winds developing today.

An intense low pressure disturbance currently in British Columbia will track across Southern Alberta today and lie over Southwestern Saskatchewan by Tuesday morning. South of the low strong westerly winds 70 gusting 100 km/h will develop in the Crowsnest Pass and Cardston regions by early afternoon. The strong westerly winds will then spread eastward to the Lethbridge, Medicine Hat, Cypress Hills and Southern Brooks regions by late afternoon. The strong winds will persist throughout the day and overnight into Tuesday.

As the low progresses eastward strong northwest winds 60 gusting 90 km/h will develop in the wake of the low. The strong northwest winds will develop in the Red Deer region this evening then gradually spread southward affecting the Hanna, Drumheller, Airdrie, Okotoks and the Brooks regions by midnight. The City of Calgary will mainly be affected during the overnight period. The strong northwest winds behind the low will begin to diminish Tuesday afternoon.

In addition rain associated with the disturbance will change to wet snow overnight. Precipitation will first change to snow in northern areas near midnight and then gradually move southward overnight. Much of the snow will melt on contact with the ground however accumulations may be as high as 5 centimetres in some areas. The strong winds combined with the falling snow will also generate blowing snow giving poor visibilities at times.

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