Backward Trajectory of Plumes
The airmass over UMBC at 2100z, at altitudes of 1500 m, 2000 m, and 2500 m, was in western Maryland at 1200z. Proir to 1200z, the air was coming from the north, shown in this 48 hour backtrajectory from Hysplit.

Posted by Ray Rogers at May 10, 2005 11:39 PM