Monday, April 4, 2016

Spring Chill Returns this Week

Temperatures Monday afternoon were almost 35 degrees colder than Sunday!  The spring chill returns this week as the jet stream favors more of a cooler air mass over the Great Lakes.  The pattern within the jet stream remains locked in a ridge out to the west and trough over the Great Lakes and East Coast. 

Temperatures under the ridge warm, while temperatures under the trough cool - some 20 to 30 degrees below average!  Unfortunately this pattern also favors quick moving clipper systems moving in from the Northwest.  Ahead of the low, temperatures warm but right behind the low temperatures cool.

Highs this week will range 5 to nearly 15 degrees below average, with the coolest day arriving Friday.  There may even be enough cold air to allow for a few snow showers to mix in with the rain showers Thursday and Friday.

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