Tuesday, July 21, 2009

Short term Forecast Number 1

INSBTY really got going this afternoon with more breaks in the CLD cover...Dewpoints have increased to the middle 60s...This has set the stage for Strong to severe thunderstorms...Still will be ISO to Scattered,So not a widespread event....The main threat from thunderstorms this afternoon into the evening hrs will be large hail,as very cold air is in place in the upper levels.....Right now we are watching an area of thunderstorms ready to move into St.Croix County...This area is moving mainly East/Southeast...Looks to be some building towards the North in SW Polk County...We are also watching another line of strong to severe thunderstorms over in MN Counties effected over there are...Aikin,Mille Lacs,Kanabc,Benton,SE Stearns,Sherburne..This line is moving East/Southeast...This line of storms we are watching closely....