If weather were a rock band, atmospheric pressure might be the bassist — sitting in the background, not quite the center of attention, but crucial to driving the tempo and tone. Air pressure systems ...

A stubborn atmospheric blocking pattern, known as a rex block, is keeping California locked into a long dry spell, shunting storms away while periods of Santa Ana winds continue. Rex blocks are ...

Cold weather tightens blood vessels, raising blood pressure and making the heart work harder. Shivering and reduced activity can also increase cholesterol. Here’s why taking care of your heart becomes ...