Winter Weather Advisory issued for News 4 viewing area -

Winter Weather Advisory issued for News 4 viewing area

( -- The National Weather Service has expanded a Winter Weather Advisory to include most of the St. Louis area, with freezing rain and sleet expected overnight and into Sunday morning.

The advisory is in effect from 6 p.m. Saturday until 6 a.m. Sunday.

Rain began falling late Saturday afternoon, and was expected to change into freezing rain late in the evening. The storm system should leave the area Sunday morning.

Snow and sleet are expected to accumulate up to one inch, while a glaze of ice up to 2/10" is possible.

Anyone driving during the advisory period is urged to use caution, as untreated roads and parking lots are expected to become very slippery.

Click here for News 4's Winter Watch map.

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Here is the full advisory from the National Weather Service:


Winter Weather Advisory -- Statement as of 1:11 p.m. CST on January 12, 2013

...Winter Weather Advisory now in effect from 6 PM this evening
to 6 am CST Sunday

* Timing... rain will change to freezing rain during the
early evening from west to east. Parts of central and northeast
Missouri will also change over to sleet and snow before
midnight. The remainder of the advisory area will change over to
freezing rain during the late evening.

* Accumulations... snow accumulation of up to 1 inch will be
possible in central and northeast Missouri... along with a glaze
of ice. Ice amounts will increase to around one tenth of an inch
in eastern Missouri and southwest Illinois.

* Winds... north 10 to 15 mph with gusts up to 30 mph.

* Impacts... untreated roads... parking lots... and sidewalks will
become very slippery.

Precautionary/preparedness actions...

A Winter Weather Advisory is issued for a variety of winter
weather conditions... such as snow... blowing snow... sleet... or
freezing drizzle and rain. It only takes a small amount of wintry
precipitation to make roads... bridges... sidewalks... and parking
lots icy and dangerous. It is often difficult to tell when ice
begins to form... so do not be caught off guard.

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