National Weather Service United States Department of Commerce

Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

 
Experiments

  

Air Pressure
 

 

Introduction to Air Pressure

 Air Pressure Part 1

 

 

Imploding Can

 Air Pressure Part 2

 

 

Cloud in a Bottle

 Air Pressure Part 3

 

 

Egg in a Bottle

 Air Pressure Part 4

 

 

Surface Tension

 Air Pressure Part 5