Answer: When looking at the surface analysis chart issued every three hours by meteorologists at the Weather Prediction Center (WPC), you may have seen a tan dashed line with a label “OUTFLOW BNDRY” ...

Editor’s note: The KOIN 6 Weather team is presenting weather and science lessons to help serve our teachers and students. Click here for more lessons. PORTLAND, Ore. (KOIN) – We are really moving ...

Constant pressure charts illustrate the varying *height* of a specific constant pressure surface (e.g., 500 mb), contrasting with surface charts which depict varying *pressure* at a constant height ...

Question: What are constant pressure charts? Answer: Constant pressure charts like the 500 mb chart shown below may seem obvious to interpret. It has many features similar to what you might see on the ...