Tuesday, January 27, 2009

Possible Ice Storm Tonight....

A potential ice storm is moving towards East Texas this evening. Models and surface trends continue to point towards cold air sliding into East Texas this afternoon. Temperatures have already dropped below freezing across the Dallas Forth Worth Metroplex as of 10:00AM and the freezing line should be moving into the Tyler Longview area between 6:00PM – 8:00PM this evening. A 500mb trough will be moving through the Southern Plains this evening pulling warm moist air over the colder air at the surface causing light rain to break out across Central and East Texas this evening.

By midnight temperatures will drop below the 30 degree mark along and north of I – 20.

At the same time the aforementioned trough moves along the Red River Valley producing the best lift needed for precipitation across East Texas.
Right now it looks like precipitation will be light, 0.25” in most places. However, we will likely see some isolated areas with 0.5” of precipitation leading to 0.25” to 0.50” accumulations of ice in a few locations. Travel will be a greater hazard north of I – 20 where temperatures remained in the mid 30s overnight last night and it will not take as long to cool the ground below freezing. Use extreme caution tonight if you must travel but the best advice is to ride this winter weather event out at home.

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