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Nation: Heavy rain in Pacific Northwest; Dry conditions along East Coast

4:15 PM, Sep 30, 2013   |    comments
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Moderate to heavy rain continued to batter the Pacific Northwest today, while a ridge of high pressure kept conditions pretty dry along the East Coast.

A slow moving cold front moved through the Pacific Northwest and into the northern Rockies earlier today, as flash flood warnings were issued in Washington state and Oregon.

Due to how slow this system moved through the Northwest, rivers and streams became quite vulnerable to flooding. Heavy snow fell along elevated terrain, while western-facing slopes in the Cascades and the northern Rockies saw the heaviest snow.

Rain also fell in parts of Idaho, Montana, Wyoming, Utah, Nevada, and California as a result of this cold front boundary. Strong winds accompanied the front, especially in the mountains. Meanwhile to the south, a ridge of high pressure continued to build over the four-corners states. This provided warm, dry weather to much of the Great Basin and Southwest.

To the east, a weakened stationary front inched over the southeast Plains and the Ohio River Valley as spotty thunderstorms formed over eastern Texas and Louisiana. The remainder of the Plains stayed relatively dry.

The Southeast, including the Florida panhandle, Alabama, and Georgia, also experienced spotty thunderstorms due to an onshore flow off of the Gulf of Mexico. The remainder of the East Coast experienced cool, dry conditions today as a ridge of high pressure continued to build over the Mid-Atlantic States.

MONDAY'S WEATHER EXTREMES:

-HIGHEST TEMPERATURE (DEGREES F).........................91 Palm Springs, Calif.

-HIGHEST HEAT INDEX (DEGREES F)..........................107 Ellington Field, Texas

-LOWEST TEMPERATURE (DEGREES F)..........................28 Grand Canyon, Ariz.

-LOWEST WIND CHILL (DEGREES F)...........................5 Noatak, Alaska

-HIGHEST WIND GUST (MPH).................................60 West Yellowstone, Mont.

-HIGHEST PRECIPITATION (INCHES)..........................1.29 Jasper, Texas

ON THIS DATE:

-A 2-year long drought reached its peak on this day in 1970 as hot Santa Ana winds and tinder brush spawned fires throughout Southern California. Half a million acres burned, causing $50 million in damage.

(Copyright 2013 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)

9/30/2013 4:17:14 PM (GMT -4:00)

The Associated Press

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