An upper level low is low pressure that starts higher up in the atmosphere. Imagine you're in a 10 story building and low pressure typically starts on the 5th floor. In the case of an upper level low, ...

SHREVEPORT, La. (KTAL/KMSS) – It appears that the influence of upper-level high pressure is beginning to increase over the ArkLaTex. As that influence continues to grow and become more persistent in ...

MIKE MOSS SAYS: Allen, The relationship between upper level pressures and surface pressures can be pretty complicated in some instances, and doesn't reduce to a real simple explanation. However, in a ...

Get ready for a very wet end to April. The pattern setting up is called a “Cut Off Low.” It’s a deep low pressure system which will be detached from the general West-East flow of the atmosphere.

It may only be Tuesday, but we can already say this week is pretty slow and sluggish (at least as far as the weather forecast is concerned). You can thank two rounds of a weather pattern known as a ...

Rainy weather patterns often setup in D.C. Metro and sometimes the blame points to an upper level low pressure system. Sounds like a lot of science jargon that may have you scratching your head, but ...