Symptom: Dry, itchy skin. Photo by Fuse/Getty Images. What it might mean: It's probably winter itch, skin dryness that's a result of cold, dry air. Using a humidifier, avoiding super hot showers, and routinely slathering on a thick moisturizer will help keep skin supple.
But Death Valley is affected by several of the main causes of heat waves - the frequent presence of a high pressure system (helped by its below sea level elevation), downslope air movement from surrounding mountains, and radiation of heat from the surrounding cliffs.
Heat Wave. Heat Wave. A heat wave, by definition is a period of time in which the temperatures are higher than normal for that region at that time of year. What might be considered normal temperatures in tropical or warmer regions can be considered a heat wave in areas which normally doesnât experience that type of heat.