Jun 19, 2013; 5:12 AM ET Short-Range Weather forecast overview for the Northwest United States
Short-Range Weather forecast overview for the Northwest United States
A dangerous outbreak of severe storms will strike the northern High Plains and Canadian Prairies on Wednesday.
Some showers are already firing up in the South with storms expected into the afternoon.
No more severe weather at Merion this weekend, but there could be a brief, pop-up thunderstorm.
Weather forecast overview for the United States
Another thunderstorm will be Ardmore, Pa. area late in the day.
A tornado similar to the El Reno one could hit a major city some day, causing thousands of casualties, tens of billions in damage and requiring a much more upscale recovery response.
Gusty thunderstorms will continue over the western Plains, Midwest and Southeast on Tuesday evening. Wind, hail and isolated tornadoes are possible, along with heavy rain.
Ice shelves lose more mass where the ice meets the sea than previously thought.
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A normally dull star in Ursa Major, the Great Bear constellation, give off an incredible flare while scientists watched, increasing its brightness 15-fold in just three minutes, before returning to normal.
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