WARNINGS

The setbacks in Ukraine have heightened tensions in Russia, though U.S. officials say there is no indication Moscow is preparing for an imminent strike.

Better data and real-time software is allowing companies to improve the precision of flood warnings.

People in the UK may be thinking about how they can offer assistance as a humanitarian crisis unfolds.

Tropical Storm Fred is swirling just south of Puerto Rico heading for the Dominican Republic and Haiti, with forecasters warning that its heavy rains could cause dangerous flooding and mudslides

As the flood risks ease, questions are raised whether the high death toll could have been avoided.

The warnings come after the weather service reported snow totals of 2 to 4 inches across most of the Chicago area, including 3.3 inches at O’Hare International Airport and 3.6 inches in Joliet during the weekend. Lake-effect snow in northwest Indiana bumped up the count to 7 inches in Chesterton and 6 inches in Portage, meteorologists said.