USA TODAY TOP STORIES Weekend forecast: Powerful spring storm to sock Northeast Ask USA TODAY Weather March 2010 highs and lows Forecaster: Early tornado alerts likely saved lives in Arkansas Congress debates new satellite plan Water shortages may hit northern Rockies Potholes put dent in city coffers One killed as tornadoes rip across Arkansas Forecasters predict active hurricane season Questions about research slow climate change efforts El Nino could whip up more active tornado season Tornado hits Okla.; no injuries reported Heavy snows in Va. heat up debate on global warming Midwest tornado outbreak in 1990 taught lessons President signs Calif. storms disaster declaration