US April 2018 Outlook (& Glance Back At A Wild March 2018)

Written by on March 23, 2018 in United States of America, Winter 2017/18 with 0 Comments

March 2018 shall go into the history books for it’s 4 Nor’easters within 3 weeks with two historic wind, wave and flood makers, the other 2 were more snowy for the populated I-95 corridor.

These back to back Nor’easters helped set new records.

It shall also be remembered from pulling back California’s renewed rain and snow deficit following a dry winter.

With all the storminess and incoming cold, it’s made for a very cold March particularly for the Mid Atlantic but note the warmth in the southern and western Plains.

Michael Ventrice

So, as we close March off it remains a busy, active and energetic pattern.

The next system could generate a blizzard for Iowa as a dagger of snow extends from S Saskatchewan, Montana through the Dakotas, Iowa and into the central Appalachians.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

With the continuation of a -AO/NAO combined with phases 7-8 of the MJO, a cool April is looking likely E of the Rockies but warm to the west.

The front running 7 day period has residual cool over the Southeast following the most recent Nor’easter and there’s still a trough hanging back over California and the west but in between, ridging and a warm southerly is driving the first major heat north over Texas and S Plains.

CFSv2 weeklies

Credit: Tropical Tidbits


Then the cool makes a comeback the following 7 and may hold through the rest of the month of April.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Possibility of a brief pullback and heat surge for the Central US.

Credit: Tropical Tidbits

Then retreats again.

Credit: Tropical Tidbits

April overall

Credit: Tropical Tidbits

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