because those giant H’s and L’s representing high and low air pressure systems on a weather map are meaningless without understanding their significance. HELP FROM HIGH PRESSURE: How Houston's ...

Winds rotate in the opposite direction around low-pressure systems, and since Los Angeles was located smack in between the zones of high and low pressure, the result was like a baseball stuck into ...

The low-pressure system over Arizona along with increasing onshore flow is maintaining a cooler-than-normal weather pattern ...

Gusty winds today will increase the fire danger across the region, as relative humidity levels drop and temperatures warm ...