Friday, March 26, 2010

The Cold Air is Shifting East

The Arctic High is shifting eastward. It ridges from southwest Quebec through northern Indiana and Louisiana into the Gulf of Mexico. The air associated with this ridge is very dry, and dew points across the Stateline are in the middle teens. As the ridge shifts eastward thin high level clouds are spreading

across the area.  Temperatures will not be quite as cold as last night... dropping into the upper 20's overnight. Light southeasterly wind have developed, and will continue through Saturday, and temperatures will recover into the low 50's in the afternoon.  A system will pass well to our south on Saturday night bringing the Stateline some light rain showers that will end by daybreak on Sunday. Temperatures will be close to seasonal averages again on Monday before a pattern switch takes place lifting the jet stream well north across the upper midwest. This will allow progressively warmer air to move into the Stateline from Tuesday through Friday. With lots of sunshine it will be near 70 degrees on Wednesday, the low 70's on Thursday, and into middle 70's on Friday. If the warm air surge varifies, and temperatures reach the middle 70's on Friday. That will be the warmest temperatures that our region has seen since last September.
By Meteorologist
Eric Nefstead

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