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Winter Storm WARNING now in effect for Tuesday

...Winter Storm WARNING from 6 AM Tuesday Until 6 AM Wednesday...

As I've been talking about the last few days, our next winter storm is upon us.  Right now, a cold front is moving into Southeast Louisiana.  This front is setting off some scattered showers across far SE LA and they will continue into the afternoon hours.  High temperatures will be in the lower 60s this afternoon.

Once the cold front moves through this afternoon/evening, the temperatures will start to fall.  This will be the leading edge of the cold air heading our way.  The rain will come to an end, and we will be left with mostly cloudy skies.  Low temperatures will fall into the upper 20s north of the lake and the lower 30s south.

Tuesday's Winter Mess:  The Winter Storm Warning begins on Tuesday at 6 AM and goes until 6 AM Wednesday due to the fact we will have some hazardous winter weather and it will make traveling treacherous! 


We will start out on Tuesday Morning with cloudy skies and some rain/freezing rain/sleet mix will begin mid-morning for the Baton Rouge area to McComb, MS as a disturbance moves out of Texas to the Louisiana Coast.  That will be the system responsible for giving us the wintry weather.  South of the lake will be scattered rain showers developing since we will be just above freezing.


As the morning progresses, the wintry mix will start spreading south toward New Orleans where the rain will mix with some freezing rain as we will have a temperature around 32°.  The Northshore will likely see more sleet and some snow falling, and the snow could start to accumulate around Baton Rouge.  Temperatures will be around 30°.

During the evening hours, more sleet will be mixing with the freezing rain around the New Orleans area and some significant icing could occur.  We could see 1/4" of ice on roads, trees and power lines.  While that does not seem like a lot of ice, IT REALLY IS!  That is enough ice to make tree limbs fall and power lines to break.  Power outages will be very possible by Tuesday Evening!  The Northshore will have more sleet and snow for the rest of the afternoon and into the evening.  Snow/sleet accumulations could be around 1-2 inches with some spots getting even more.  The heavy wet snow could also bring down tree limbs and break power lines.  Again, power outages will be possible!  PLEASE be prepared if the power goes out.  Unlike when we get hit by a hurricane, when the power goes out this time of year it will be COLD in your homes.  Have the supplies you need to keep warm NOW!

The wintry mix will come to an end overnight into Wednesday Morning.  You can expect icy spots all across Southeast Louisiana.  Many roads may be closed due to iced over bridges and overpasses.  Surface streets may also have some ice, especially the ones that could be covered in snow.

Wednesday's Outlook:  We will not get warm on Wednesday, but the sun will return during the afternoon.  High temperatures are expected to get just above freezing in the mid to upper 30s, so we will have some melting of the ice.

Wednesday Night will be clear and very cold with low temperatures in the 20s.  Anything that would have melted, and did not dry out, is expected to refreeze again.  This could lead to some more icy spots into Thursday Morning.  We will warm into the upper 40s on Thursday with lows only in the 40s Thursday Night, so all the ice should be melted by then.



NOTE:  The timing of this could change if the system slows down, or gets stronger.

Please keep up-to-date with the changing weather on Tuesday on WWL-TV and through my Facebook & Twitter feeds.  Stay safe and do not venture out into this wintry mess!  -Dave


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