...Interesting weather pattern for mid-March with winter storm for the East Coast on Tuesday...
Even though the calendar now indicates March, it is certainly feeling like winter across much of the country. A huge surface high pressure ridge over Canada is sprawling southward into the central and eastern U.S., allowing for a continuous supply of January-like temperatures through the rest of the weekend and into the beginning of the work week. This weather pattern is also setting the stage for wintry weather from the northern Plains to the East Coast.
Things get interesting for the East Coast beginning Monday night. A low pressure system crossing the Midwest states is expected to phase with another low off the southeast U.S. coast. This will allow for a strong nor'easter to develop near the coast and cause a late-season snowstorm from the central Appalachians to New England, including many of the big cities in the Northeast U.S. Winter storm watches and even blizzard watches are now in effect for the increasing likelihood of significant snowfall accumulations, with some areas possibly getting in excess of a foot. There is still some uncertainty with respect to the track of the low and the axis of heaviest snowfall, and these details will come into better focus over the next day or so.
Elsewhere across the continental U.S., expect warm conditions to continue across the southwestern U.S. with no rain or snow in the forecast. The lower elevations of the Desert Southwest could even reach the lower 90s for highs over the next few days with an upper level ridge in place. Onshore flow across the Pacific Northwest will keep scattered showers around, with snow in the Cascades and northern Rockies.
Sights and Sounds on Main Street (Added to post at 7:35 am)
Here is a video montage of the sights and sounds around 4:30 am this morning on Main Street in Franklin.
Cold Canadian high pressure will continue to bring much below normal temperatures to our region through the start of the upcoming week. A low pressure system will spread rain and snow across our area through early Sunday before moving out in the afternoon. Expect a brief period of dry weather Sunday night and Monday before another system brings a chance of a wintry mix back to our region Monday night and Tuesday. Unusually cold weather will persist through the work week.
Here is a video retrospective on the Blizzard of 1993 from WLOS-TV, which hit our area 24 years ago.
THREE DAY OUTLOOK
TODAY (Winter Weather Advisory in effect until 11 am)
Cloudy with snow likely before 9 am, then becoming mostly sunny by the afternoon hours with highs near the upper 40s. Variable light winds. 100% chance of snow. Accumulations between 1 and 3 inches likely over most of the county below 3,000 feet with 3 to 5 inches possible at higher elevations.
Partly cloudy with lows near the upper 20s with variable light winds.
Mostly cloudy with freezing rain possible in the morning, then rain after 9 am. Highs near the lower 40s. Little or no ice accumulation expected.
Cloudy with lows near freezing. Rain likely, mainly before 4 am. Calm winds before midnight, then from the west northwest after midnight.
Mostly cloudy with highs near 40. Chance of rain and snow before noon and then rain after noon, ending by 2 pm or so.
Partly cloudy with lows near 20.
It's currently (4 am) snowing. This means that roads will become slick, so you should stay off the roads until sometime this afternoon. Highs will be in the upper 40s, so a good chunk of the snow should melt.
Advisory products from the National Weather Service that impact Macon County have been posted below for your convenience.
NWS HAZARDOUS WEATHER OUTLOOK
..SUNDAY...Winter storm likely. Please see the latest Winter Storm
Warning for further details.
..MONDAY...Winter weather possible. A mix of snow, sleet, and
freezing rain may develop across the North Carolina mountains late
..TUESDAY..Winter weather possible. Accumulating snowfall may
continue across the North Carolina mountains Tuesday, especially near
the Tennessee border. Windy conditions are likely as well.
..WEDNESDAY...Winter weather possible. Accumulating northwest flow
snow showers may continue near the Tennessee line.
***Winter Weather Advisory***
URGENT - WINTER WEATHER MESSAGE
National Weather Service Greenville-Spartanburg SC
407 AM EDT Sun Mar 12 2017
...ACCUMULATING SNOWFALL EXPECTED ACROSS MUCH OF WESTERN NORTH CAROLINA AND PARTS OF UPSTATE SOUTH CAROLINA AND NORTHEAST GEORGIA THIS MORNING...
.Cold Canadian high pressure continues to bring much below normal temperatures to our region, with a low pressure system spreading rain and snow across our area this morning. Expect a brief period of dry weather tonight and Monday before another system brings a chance of a wintry mix back to our region Monday night and Tuesday. Unusually cold weather will persist through the week.
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...
...WINTER STORM WARNING IS CANCELLED...
The National Weather Service in Greenville-Spartanburg has issued a Winter Weather Advisory for snow, which is in effect until 11 AM EDT this morning. The Winter Storm Warning has been canceled.
* LOCATIONS...The central and southern mountains of North Carolina.
* HAZARDS...Accumulating snow.
* TIMING...Snow will continue through the morning hours, tapering off by noon.
* ACCUMULATIONS...Snow accumulation of up to 2 inches.
* IMPACTS...The snowfall will create slippery and snow covered roadways.
* TEMPERATURES...In the upper 20s.
* WINDS...North 5 to 10 mph.
A Winter Weather Advisory for snow means that periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities, and use caution while driving.
Please report snow and ice accumulations by calling the National Weather Service toll free at...1...800...2 6 7...8 1 0 1. Leave a message with your observation and the specific location where it occurred. You can also post your report to National Weather Service Greenville Spartanburg Facebook or tweet your report using hashtag nwsgsp.
Stay tuned to NOAA Weather Radio or your favorite source of weather information for the latest updates. Additional details can be found at www.weather.gov/gsp.
As always, you can check to see what advisories, watches and warnings are in effect for Macon County by visiting http://is.gd/MACONWARN
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Published at 5:43 am on March 12, 2017
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