Coldest Day in U.S. This Early in Satellite EraDecember 8th, 2013 at 12:52 am by Bill Steffen under Bill's Blog, Weather
Click on the image to enlarge. This is the high temp. map from Saturday (form SUNY). From Dr. Ryan Maue: “Since 1979 using hi-resolution NCEP CFSR reanalysis data, December 7th is earliest sub. 15°F CONUS average temperature day — previous Dec 16, 1989.” The average Continental U.S. temperature bottomed out at 14.5 Sat. AM. Some of the cold temperatures are nothing short of extraordinary. Havre, Montana had a high temperature of -21 on Saturday – that was 53 degrees colder than average! For 3 days now, temperatures have averaged 47 degrees colder than average at Havre. The -14 high at Great Falls MT was 49 deg. colder than average, the high of -13 at Sheridan WY was also 49 deg. colder than average. The -14 high temp. at Miles City MT was 44 deg. colder than average. Colorado Springs, with an average high temperature of 43 has now had 4 consecutive days with highs of 18, 6, 6, 7. Garden City KS (avg. high 47) has had highs of 15, 16, 13 the past 3 days. A few other highs with the average high in ( ): 22 Eugene OR (46), Brownsville TX 47 (73), Dallas TX 27 (59), Lubbock TX 17 (55), Laredo TX 39 (69), Little Rock AR 28 (54), Harrison AR 20 (50) , Las Vegas NH 17 (47), Chadron NE -2 (39), Wausaw WI 0 (29), Duluth MN -4 (25), Memphis TN 29 (54).
Model update: The overnight European doesn’t take the temperature above freezing in G.R. until the 17th. The Euro. gives G.R. 0.12″ precip. Sun. night (1.5 -2″ snow), with more snow showers into Monday night and another .11″ on Weds. All total G.R. would get maybe 5-6″ in the next week. The NAM gives G.R. 1.8″ of snow Sunday night, Muskegon gets 2.6″ and Ludington 2.9″. It has another 1.5″ Tues. PM. The GFS plot gives G.R. .10″ Sunday night (1.5″ of snow maybe) and the first above freezing day is next Saturday.
Speaking of cold, this is Antarctica.