Winter Weather Advisory (Updated 1/17/18)

winter weather warning

January 17, 2018:  The cold front has arrived and along with it, the snow. This system will be impacting us throughout most of the day. The winter weather advisory has been extended until 4PM today.

The snow is forecast to continue until this afternoon. The wind chill will continue to affect us throughout tonight and early tomorrow. Tonight’s low temperature will be 19 degrees. As we move into tomorrow, the Thursday high will be 47 degrees, but may be lower based on wind chill factor.

We have some roads and bridges that are starting to freeze over. Be aware of potential black ice or slick areas on the roadways throughout the day today.

Public works salt trucks have begun treating those freezing roads and bridges and will continue throughout the day today.  The National Weather Service (NWS) and the Georgia Department of Transportation to monitor road temperatures. We will keep you informed if there is any major change in the forecast or impacts on travel.  It is important that all staff report to work as scheduled to ensure safe patient care given our high census.  If you have any concerns, please contact your supervisor.  Thank you and be safe!

January 16, 2018:

Please be aware of the possibility of snow for tomorrow and be prepared.

  • Snow accumulations have been increased (and expanded) across the area for tonight into early Wednesday.  THIS INCLUDES THE ATLANTA METRO AREA
  • Most areas will generally see 1/4 to 1 inch of snow, however there is the potential for locally higher amounts (up to 2 inches), especially in the northern mountains AND on either side of the I-85 corridor — south of Atlanta. **SEE GRAPHIC BELOW**
  • Winter Weather Advisories have been expanded south and east
  • Dangerously cold wind chills expected overnight through Wednesday morning

IMPACTS:

  • Icy road conditions due to snow and/or wet roads quickly freezing will develop by 6PM this evening along and north of a Rome to Jasper to Helen line // 6-9PM across metro Atlanta (deteriorating northwest to southeast) including I-85 corridor // 9PM to Midnight along a Columbus to Macon line // After midnight tonight south and east of Macon
  • Dangerously cold wind chills overnight into Wednesday morning will lead to increased risk of hypothermia and frost bite to any exposed skin.

** Important Note: The experimental Probabilistic Snow web site (www.weather.gov/ffc/winter) that shows best/worst-case scenarios in addition to our official snow forecast IS DOWN AT THE MOMENT due to communication/server issues.  This has been elevated to a national level team to troubleshoot.

 

Overview:

A strong cold front is currently entering northwest Georgia and will continue to cross much of north and central Georgia tonight. Temperatures behind the front across northern Alabama and parts of southern Tennessee have already dropped into the 20s (as of 4 PM).  A band of light snow behind the cold front will move southeast across the area tonight into early Wednesday morning. At the onset of precipitation this evening, a brief period of light rain or mix of rain, sleet and snow is possible before the colder air rushes in and changes everything to all snow.

Winter Weather Advisory (purple-shaded) + Timing (onset) of snow & model precipitation output (blue = snow):

weather 1

Snow Accumulations (Tonight through 9 AM Wednesday):

weather 2

Wind Chills (forecast late tonight-Wednesday morning):

weather 3

weather 4