Storms...

Interesting to watch the storms over western North Carolina this afternoon. They are barely moving this afternoon, and because of that, flash flooding is now a concern in the areas underneath of those storms. Rain is falling at a rate of 2-3 inches per hour with some of the storms.

Why are the storms barely moving?? On a typical summertime day, the 700mb flow is what determines storm motion. Here is the 700mb analysis from this morning...


Notice how there is basically no winds at 700mb overhead today. Therefore, the storms develop, then eventually collapse back on top of themselves because there are no upper level winds in place.