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Are you interested in what happened during a recent event? Check out the report below.
Light Snow on December 26, 2007
 
The pattern at 1200 pm CST on 12/26/2007 For those wanting a white Christmas, it did not happen. But a day later, that all changed. A very intense storm system tracked just to the south of Arkansas on December 26th, with precipitation spreading across the state during the morning hours.
In the picture: The pattern at 1200 pm CST on 12/26/2007, with a storm system ("L") in western Louisiana and precipitation spreading across Arkansas. Snow was occurring in the higher elevations of the west.

 

The forecast sounding (i.e. a temperature and dewpoint profile with height) at 600 am CST on 12/26/2007 showed a lot of dry air in place (i.e. a large temperature/dewpoint spread).
In the picture: The forecast sounding (i.e. a temperature and dewpoint profile with height) at 600 am CST on 12/26/2007 showed a lot of dry air in place (i.e. a large temperature/dewpoint spread). Precipitation had not yet begun. 
By 1200 pm CST, precipitation moistened the atmosphere (i.e. little to no temperature/dewpoint spread)...with cooling aloft.
In the picture: By 1200 pm CST, precipitation moistened the atmosphere (i.e. little to no temperature/dewpoint spread)...with cooling aloft (and a lower freezing level).
Initially, there was a lot of dry air aloft. Once moisture fell through this dry air, rapid cooling took place overhead (i.e. due to evaporation)...making it easier for ice to form. In most areas, this led to rain with a brief period of sleet and/or snow. There was brief heavy sleet and/or snow in some spots, especially where isolated thunderstorms popped up. West of Hot Springs (Garland County), roads became slushy...with a fatal accident reported.

 

Farther north and west, freezing levels dropped enough aloft for more persistent snow in the higher elevations of northern and western Arkansas. Interestingly enough, the snow fell with mostly above freezing temperatures at ground level. The WSR-88D (Doppler Weather Radar) showed rain and sleet in central Arkansas at 102 pm CST on 12/26/2007, with mainly snow farther north and west.
In the picture: The WSR-88D (Doppler Weather Radar) showed rain and sleet in central Arkansas at 102 pm CST on 12/26/2007, with mainly snow farther north and west.

 

Snowfall on 12/26/2007. One to two inches of snow fell from Mena (Polk County) and Mount Ida (Montgomery County) to Waldron (Scott County), Danville (Yell County), Clinton (Van Buren County), Deer (Newton County), Mountain View (Stone County) and Cherokee Village (Sharp County).
In the picture: Snowfall on 12/26/2007.

 

There was locally up to three inches of snow, with five inches at Mount Magazine (Logan County). Snow tapered off from the southwest during the evening hours.

 

 

 

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Page last modified: 27 December, 2007
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