49 F. high in the Twin Cities Friday.
48 F. average high on March 29.
61 F. high on March 29, 2012.
1-2" snow on the ground at KMSP.
.25" rain predicted for this morning.
15-20 F. wind chills return by Monday
* Map above shows ECMWF predicted temperatures at 1 pm Monday.
Q: How would melting Arctic ice lead to cold snaps?
A: The theory is the loss of sea ice means more heat is released from the open ocean, warming the layer of polar air over the water. That reduces the temperature and air pressure differentials with more southern latitudes, increasing the likelihood of a negative state in the atmospheric circulation..."
Photo credit above: dreamstime.com.