6 September 2010, 1:22 am
This is the actual map http://weather.unisys.com/archive/sfc_map/0803/08031200.gif I don't understand how the isobar running through southern california can go from 1020 to 1022 (when it hits colorado) i thought these lines had to be of a constant pressure.. please explain and use examples from map thanks... Read More »