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Great Plains, Southwest Drought Continues

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April 11, 2013 by   - () Leave a Comment

Weather Summary: An active weather pattern, with several fronts and storm systems traversing the lower 48 States, brought welcome precipitation to much of the nation, and particularly the Plains.

Decent precipitation (2 to 6 inches) returned to the Northwest, with 1-2 inches as far south as central California and the Sierra Nevada.

Two separate storm systems, one in the Midwest and one in the South, dropped light to moderate precipitation on both areas earlier in the week.

As the period ended, a potent storm system located over the central Rockies had already produced beneficial precipitation in parts of the north-central Plains and western Corn Belt, with more rain and severe weather possible for the eastern half of the U.S. during the next few days.

Unfortunately, little or no precipitation fell on the Southwest, northern Plains and Northeast, although the latter area was expecting precipitation this week. After a cold start to the period in the East and a mild one in the West, temperatures began to moderate as the week ended.

In Alaska, dry and cold conditions enveloped the state except the southeastern Panhandle, while Hawaii was mostly dry with some light windward showers. Puerto Rico experienced scattered light showers during the week.

Looking Ahead: The next five days (April 11-15) are expected to be wet across much of the eastern half of the U.S., with the greatest totals (more than 2 inches) forecast for the South and lower Great Lakes region. Light to moderate precipitation should fall along the Pacific Northwest Coast and in the northern Rockies. Much of the Southwest and High Plains will be dry. Temperatures should average below normal across the northern third of the U.S., especially in the northern Plains and upper Midwest, while above-normal readings are expected in the Southwest and Southeast.

For the ensuing five days (April 16-20), the odds favor above-normal precipitation in the eastern half of the Nation and the north-central Plains. Drier-than-normal weather is forecast for the West, Southwest, southern Florida, and Alaska. Temperatures are expected to be similar to the Day 1-5 forecast, with odds favoring below-normal readings in the North-Central States, and above-normal temperatures in California and the eastern Gulf and southern Atlantic States.

 

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