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....
