Geomagnetic storms: When should we look up and when should we worry?

The Pennsylvania Department of Transportation (PennDOT) is preparing to begin a $1.3 million project that will give motorists ...

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Parts of Western Pennsylvania were under a tornado watch ... Terra Alta, Thomas and Tionesta, the NWS said. Southeastern Allegheny, Westmoreland, Fayette and southern Indiana counties were under ...

Flurries with a high of 24 °F (-4.4 °C) and a 59% chance of precipitation. Winds WNW at 17 to 20 mph (27.4 to 32.2 kph). Night - Mostly cloudy with a 57% chance of precipitation. Winds from WNW ...