Florida To Maine: Warmest Christmas Eve On Record Coming Up! May See December Records Fall!

Written by on December 21, 2015 in Autumn 2015, United States of America, Winter 2015/16 with 0 Comments

While it will be seasonably cold and snowy Out West this week, warmth builds up the Eastern Seaboard once again thanks to a storm system over the Plains. It’s still a few days out but there strong model agreement arm surge peaks Christmas Eve supporting temps 30 above normal widely.

ALL-TIME December records may be threatened too with this warm surge.

Credit: AccuWeather

Credit: AccuWeather

This certainly has ‘warmest Christmas Eve on record’ written all over it for many parts, if not the entire length of the Eastern Seaboard.

As well as the warmth, a lot of moisture shall run the southerly flow bringing a warm and soggy run up to the big day.

Credit: AccuWeather

Credit: AccuWeather

QPF

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While one system pushes through the Midwest and East over the next 36 hours, it’s the next beast slamming the West Coast now that will be responsible for this next batch of record warmth, only reinforcing the chances of this December being warmest in recorded history east of the Mississippi.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

By 12z Wednesday that system is crossing the Plains and lifting the warmth northward ahead of the cold front lobe of arctic air dives south on it’s backside.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

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Just look at how warm the GFS suggests it gets Christmas Eve.

2m temp anomaly

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

2m air temp for 18z Christmas eve.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

70 is possible as up as NYC, upper 60s Boston!

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: AccuWeather

Credit: AccuWeather

Record highs in jeopardy on Christmas Eve

City Dec. 24 Daily Record
Portland, Maine 53 F from 1957
Boston 61 F from 1996
Syracuse, New York 58 F from 1965
New York City 63 F from 1996
Philadelphia 64 F from 2014
Washington, D.C. 69 F from 1933
Charlotte, North Carolina 71 F from 1982
Atlanta 72 F from 1984

The 25-35 above normal will be in stark contrast to the over the Rockies.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Projected ‘snow cover early Christmas morning sure will help bring night lows down. Some of the  in the high elevation plateaus could see their first -20s or even -30s.

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Though still considerably above normal Christmas Day, temps won’t be as extreme as Christmas Eve though the morning may open exceptionally mild and warmest of the day. Depends on the timing of the front.

2m temp anomaly Christmas day at 18z

gfs_T2ma_us_18

2m air temp Christmas day at 18z

gfs_T2m_us_18

See this morning’s video for the discussion.
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