The cold fall weather pattern gripping much of the Lower 48 to the east of the Rockies will begin to moderate by the end of the week and into the weekend.
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The cold area of high pressure, currently centered from the Ohio Valley into the Lower Mississippi Valley and Southern Plains will be pushing eastward over the next few days and offshore of east coast on Friday.
The much below average temperatures of Wednesday for all areas east of the Rockies will remain below average Thursday into Friday, but trend warmer on both days.
The coldest morning expected to be Thursday morning when record low temperatures are possible from the Lower Mississippi Valley, across portions of the Southeast, Mid-Atlantic and northern New England.
Freeze warnings are in effect across all of these areas, save for New England, signaling the end of the growing season for these regions.
Most areas to the east of the Rockies will have below freezing temperatures Thursday morning, except for the Gulf Coast, Florida and the Southeast Coast.
In contrast to the below average temperatures to the east of the Rockies, temperatures will remain above average over the next few days from the Rockies to the West coast.
While most of the country will be dry over the next several days, a wet weather pattern is beginning for portions of the west coast.
The initial surge of above average moisture values from the first atmospheric river event will bring a heavy precipitation threat into the Pacific Northwest Wednesday night into early Thursday.
This will be followed by additional heavy precipitation late Friday into early Saturday for northern portions of California.
This wet weather pattern should continue then into the late weekend and next week with additional periods of heavy precipitation.
This upcoming wet weather pattern will be welcome across these regions as much of the Pacific Northwest into Northern California has had below average precipitation over the past month and is experiencing moderate to extreme drought conditions. ■