February Snow Contest Winner:
Thank you to the over 50 entries, but unfortunately none came even remotely close (no offence) to the correct amounts, so a random number generator was instead to even the playing field.
Who would have thought Portland would have received nearly 20 cm of snow in February!?
February snow totals:
- YVR 1 cm (accumulated)
- SEA: ~Trace
- PDX: 18.5 cm
Now, I have another contest in mind, some sort of a forecast guarantee that will keep me honest. Just to get into the swing if things I'll probably start with a +/- 3C for YVR maximum temps in the coming weeks.
To sign-up, I'll add a sign-up button to the side bar. Simple as that. I botch a forecast, you win a t-shirt.
It's that easy.
So, who was surprised to see flakes today?
It turns out, sometimes when there's cold air aloft...and surface temps well above zero, snowflakes can still reach the surface if precipitation is heavy enough...
The temperature at the base of the clouds was below zero and as the snow melted, an energy exchange took place between the melting snow and the surrounding air. Remember, it takes energy to melt snowflakes into rain, so it 'takes' energy from the atmosphere, dropping the temperature and bringing the freezing level closer to the surface.
Quite often, it takes several hundred metres of above zero temperatures to melt a snowflake into plain old rain.
Resilient snowflakes today!
Our Next Beast (System)
QPF (Quantitative Precipitation Forecast)
If freezing levels hold constant, and no spikes, Mt. Washington and Whistler could be in for between 50-100 cm of snow of fresh new powder this week, but I'd be more comfortable if the freezing level dropped a couple hundred metres lower, so this will have to be watched closely, especially for the local hills.
I think it will be a R/S snow mix for most of the North Shore resorts this week, with the exception of Whistler. Snow level will fluctuate between 1200-1400 metres for the North Shore Mountains, and then spike to nearly 2000 metres on the weekend.