A dynamic storm system bringing Severe Weather and Excessive Rainfallimpacts to the Southeast this afternoon will transition to a strongnor'easter for parts of the Mid-Atlantic and New England by Tuesday.New storm system to arrive across the Northwest by the middle of theweek with areas of locally heavy rain and mountain snowfall.A significant winter storm associated with a strong upper-level trough andassociated closed low will cross through the Ohio Valley tonight, whichwill continue to int...