Multiple areas of unsettled weather were anticipated over much of the country on Wednesday.
Forecasters expected a low pressure system to continue tracking eastward, over the Mississippi River Valley and up the Ohio River Valley towards New England. This was expected to continue to push a strong front through the region that could trigger moderate to heavy showers and thunderstorms with periods of strong and damaging winds, large hail, and may produce tornadoes. Strongest storms were expected to develop over the Tennessee and Ohio Valleys.
Meanwhile, a cold front was expected to wrap around the backside of this system and extend over the Lower Mississippi River Valley and Southern Plains. The tail end of the front was expected to trigger strong storms over Texas.
In the Northern and Central Plains, another trough of low pressure was expected to dip in from Canada. However, it wasn't forecast to trigger significant rainfall, but may initiate some late night showers in the Upper Midwest.
Further west, high pressure was expected to continue bringing unusually warm conditions to the Pacific Northwest. Forecasters called for highs to approach the 90s again, while southern California was expected to remain under a heat advisory as high temperatures surpass 100 degrees.
Temperatures in the Lower 48 states Tuesday ranged from a low of 36 degrees at Yellowstone, Wyo. to a high of 120 degrees at Death Valley, Calif.
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On the Net:
Weather Underground: http://www.wunderground.com
National Weather Service: http://iwin.nws.noaa.gov
Intellicast: http://www.intellicast.com
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