February 23, 2017, 12:40:04 PM EST
Outdoor seasonal allergies are a problem for millions around the globe. more
Thunderstorms, some severe, tomorrow morning through late tomorrow night; storms can bring downpours, large hail, damaging winds and a tornado
Increases in temperature may cause localized increases in the amount of toxic mercury introduced into ecosystems, impacting wildlife and eventually the food chain.
A new surge of warm air will trigger another round of severe thunderstorms in parts of the eastern United States Wednesday and Wednesday night.
After record warmth baked the eastern U.S. during the last full week of February, winter will seek its revenge during the first week of March.
Prior to midweek, severe thunderstorms with isolated tornadoes, damaging winds, downpours and hail will threaten areas from Indiana to Texas.