850mb Freezing Level Dropping South to Upper MidWest
By Ralph Fato on June 11, 2012, 9:29am
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One thing that caught my eye on the latest model runs was the 32 degree line that drops as far south as Minnesota and Wisconsin. I don't recall seeing this in Mid-June.
Obviously in the winter time it would translate surface temps to near or below freezing, but it's a different scenario in the summer with the ground heat. That line also represents the rain/snow line in the winter, but of course that's not something to think about at this point.
But to see the 4000' level below freezing in the upper mid west; I thought was worth noting. I believe the month all time low is in the 20s, so we wont get near that but forecast temps are calling for 30s and 40s. Normal low for Fargo is 54. Normal low for Grand Forks is 51.
Next slide shows the NAM model