Temperatures could plummet as much as 50 degrees Fahrenheit (27.8°C) across portions of the north-central United States on Wednesday night, ahead of what may be a record-breaking fall snowstorm. Below freezing temperatures are expected to sweep in from the north, followed by a low-pressure system coming from over the Rockiesread more

First it was drought, then it was massive floods–now Australia faces a hurricane that is estimated to be twice the size of hurricane Katrina and at least as powerful. The Australian Meteorology Bureau issued the following warning: ‘This impact is likely to be more life threatening than any experienced during recent generations." The largest typhoon so far recorded was supertyphoon Tip, which struck Guam in 1979 with 200 mph winds. Yasi has so far displayed winds of 180 miles per hour and is expected to strengthen over the next 24 hours.read more