Cold Week Ahead!December 7th, 2013 at 3:38 am by Bill Steffen under Bill's Blog, Weather
Click on the image to enlarge. This is the Friday CPC 6-10 day outlook for the 11th-15th. As you can see, there”s a lot of blue (better chance of colder than average temperatures. Looking at the overnight data…the European doesn’t bring the temperature above freezing in G. R. until Dec. 16th! The coldest temperatures (around +5) come Weds. AM and Sat. AM. The European gives G.R. a total of 0.31″ for the next week…at a 20-1 water-to-snow ratio, that would be 6″ of snow – add some drifting to that, too. Both the GFS and Euro. give G.R. 0.10″ of precipitation Sun. night – so maybe an inch and a half. The Euro. has snow showers and flurries more on than off thru Thurs. The GFS plot has 0.27″ precip. for the week, so pretty close to the Euro. It has the coldest temps. in the low teens with the strongest wind at 22 mph around midday/early afternoon Tues. The NAM still has the most snow Sunday night at 2.3″ for G.R. Snowfall will likely be a little higher to the northwest of G.R. and less to the southeast of G.R.
Also: Check out the video of flooding in the Canary Is. Here’s a pic. to go along with the video. This morning the average temperature across the U.S. could be as much as 4 degrees F colder than the coldest average temperature all last winter across the U.S. Scroll down a couple threads to see radar and links.