For the last 10-15 days, storms have pounded California and the West almost constantly while Pacific air sweeping out ahead of each system has reinforced the eastern ridge and January thaw.
It’s been a perfect open to 2017 for California.
As we enter the weekend, we have quite the different upper air pattern to what we’ve been use to thanks to high pressure building and settling over California while a trough of colder air filters into the Midwest and East. That will be a theme through next week as energy rides a NW jet from Canada into the East.
Cold NW winds blowing over an ice free Great Lakes mean a major multi-day lake effect event is underway.
Potential for up to 40″ in prone spots!
Last night’s radar.
This weekend’s lake effect is helped by unusually low ice on the lakes. The reason, a significant and long duration January thaw!
Water temps across Lake Erie are above freezing and well above in Lake Ontario with 40s!
Here’s the 5-day mean 500mb anomaly. We maintain a trough in the East with a clipper-like system dropping out of Canada bringing reinforcing shots of cold air.
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