Tuesday, March 31, 2009

Quick thoughts about tomorrows snow.....

It appears that from what is showing on the NAM/WRF models, that conditions will not be good for snow fall as surface winds are light but southerly with SWLY winds at 850mb. 1000ft temps are right on that rain/snow line with temp of 34 degrees with 850mb temps of roughly -4, 5c for early tomorrow.

Attached is the 00zNAM for tonight that shows wind spread snow for 11am Wed. Also to note is that tonights NAM has much more coverage than the morning 12z/ evening 00z.

925mb temps not all that cold and only show about -2c. So if it does snow, would say better chance of that would be hills 700ft and above. So Mt.Si, Tiger Mountain, Possibly Issaquah High-lands, and Cougar mountain just to name some places....would be the more likelier ones to see snow falling would be my best prediction. Again, that if ANY SNOW falls at all. Will it stick? I would say no since airmass is not even COLD enough for it to be of any accumulation for places away from large bodies of water. So the way things look, I`m not really expecting any.

Side note: Already have one comment in my previous entry, so would love to hear other comments about todays CZ.

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