Unusual Mid-May Snow & Cold For Northeast, El Nino Hangover Continues To Temper Heat

Written by on May 13, 2016 in Spring 2016, United States of America with 0 Comments

After a mild November 1 through January 15 period, old man winter finally got his act together, particularly in February but since then, he refuses to give up. This weekend sees a strong cold front sweep through the Ohio Valley, Northeast and Mid Atlantic with arctic source air driving temps 10-20 below normal with snow expected over some interior mountains from Maine to West Virginia.

Although this wouldn’t be the latest snowfall for this region, it’s quite rare for snowfall by mid May.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Warmth quickly gets kicked out into the Atlantic with the passing of the cold front tomorrow and we see widespread 40s and 50s, even interior 30s for a few days with nights west of the Big Cities widely dipping into the 30s with pockets of 20s.

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As the core of Canadian high pressure settles over the Northeast, expect chilly, frosty nights to linger through much of next week but days warm with lighter winds and strong sunshine.

Sat high

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Sun high

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Mon low

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Tue low

Credit: Tropical Tidbits

Credit: Tropical Tidbits

The earlier run shown in this morning’s video kicks the cold out late next week and there was a strong signal of 80s, even 90s likely reaching New England as well as Chicago, Detroit, Cleveland, New York within 10 days.

Interestingly, the newest run is far less hot and according to the GFS op and ens, the heat stays further west and south. Even with this heat, there’s holes in it and by that I mean Alberta and Saskatchewan gets hot and so does the Southern Tier but there’s cool in between.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

The reason for holes and less heat for East is due to a trough over the Southeast and core of ridge being in Canada.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

GFS ensemble 5-day mean.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

With strongest heights across Canada, this continues to drive a very soggy pattern over the central swathe of the nation, slowing, limiting the build up of summer heat.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

See this morning’s video.

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