Weather tracker: Warm March in US leaves snowpack critically low

Concerns about coming wildfire risk, and temperatures also remain high on other side of Pacific where rare tropical cyclone has formedAfter a historically warm winter across nine states in the US, the first month of meteorological spring again brought exceptionally high temperatures, with numerous states recording new all-time high temperatures in March. The remarkable intensity and longevity of the warmth have left much of the mountain snowpack, a crucial source of water for millions in the Ame...