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 ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...

The weather will turn unsettled today as an area of low pressure tracking across the country ... The next storm system will come in for Wednesday and Thursday leading to another round of mixed ...

Learn what blood pressure numbers mean, discover proven ways to maintain healthy levels, and understand when to seek medical ...

A research team from Japan has developed a unified model to scale the transitional pressure development in a one-dimensional ...

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

they have repeatedly been hampered by low water pressure and fire hydrants that have gone dry. These problems have exposed what experts say are vulnerabilities in city water supply systems not ...

Today the region remains wedged between a cut off low-pressure system over eastern Canada and high pressure building in from the southwest. That combination will keep the wind flowing. Boston and ...

Nothing doctors prescribed controlled Michael Garrity's dangerously high blood pressure — until they zapped away some nerves ...