Tuesday, June 28, 2016

Storms are becoming dreaded.

June 28, 2016
2330.10z
UNISYS water vapor satellite of north and west hemisphere (click here for 12 hour loop)




The water vapor started to spin up about 3 hours ago. It might be a wicked night.
June 28, 2016
Severe thunderstorms (click here) will fire up in the Northeast on Tuesday, bringing a threat for hail and damaging wind gusts ahead of a cold front pushing through the region.
NOAA's Storm Prediction Center has issued a severe thunderstorm watch valid until 10:00 p.m. for portions of the Mid-Atlantic states. This watch includes Washington, D.C., Philadelphia, and Allentown, Pennsylvania. 
An upper-air disturbance will slide in from the Great Lakes, providing lift and instability in the atmosphere. 
By late-June standards, it will not be oppressively hot or humid ahead of the cold front, and deep-layer wind shear will be somewhat marginal to support supercell thunderstorms. These factors will keep this from being a more widespread, damaging outbreak....