30 Mar 2013

First thing yesterday morning there were some thick low level clouds around!

Rime and hoar frost were everywhere in the Alpine yesterday morning.

At 2240 meters the temperature was -.5, winds were 0-10 KPH from the S. At 1650 meters the temperature was -2, no new snow was recorded there. In the valley it is -2. Observations taken at 06:00 Hrs this AM. Yes its an inversion!!

For the forecast we can expect a warm sunny day. The high pressure ridge will establish itself until at least Tuesday as a rex block pattern has developed. On Monday a low level flow will bring cooler temperatures. A weak weather disturbance could arrive on Thursday.  Expect some clouds Sunday afternoon and mostly cloudy skies for Tuesday. Bring out the sunscreen.

For a definition of a rex block pattern: West Coast Rex Block

For the local updated avalanche forecast: Whistler Mountain Snow Safety

Size 1-3 loose wet avalanches have been observed in the corridor in the past 2 days. Mostly South exposures.

Families risking lives with Avalanche Danger: Ireland

The Risky Shift Phenomenon: What is it, why does it occur and what are the Implications for Outdoor Recreationists : Interesting Read

Ski Instructors not too old at 62: France

2013 Arctic Sea Ice Mega-Fracture: NASA's Website

Search for avalanche victims postponed: Norway

Chris Brown starts an avalanche with snowmobile: Steep Rocky Terrain

A crust at tree line with some developing surface hoar.

Farmer's Almanac Weather for April:

APRIL 2013: temperature 7°C (1°C below avg.); precipitation 75mm (20mm above avg. north, 20mm below south); Apr 1-7: Showers coast, sunny inland; cool; Apr 8-11: Snowstorm northeast, sunny elsewhere; chilly; Apr 12-16: Sunny, cool; Apr 17-24: Showers, mild; Apr 25-30: Sunny, then showers, cool.

April and May will be cooler than normal, with near-normal precipitation.

Yesterday morning the clouds did dissipate giving us some sunny skies.

In the afternoon the clouds rolled in and slowly became cumulus clouds.

Later in the afternoon it did start to clear off.

By the end of the day the clouds dissipated again.