UPDATE: Winter weather advisory; winter storm watch Thursday-Saturday

Published 4:27 am Wednesday, January 20, 2016

Rowan is now under a winter storm watch from late Thursday night to early Saturday evening.

We also remain under a winter weather advisory until 7 a.m. Thursday.

Here’s the latest from the National Weather Service:

HAZARDS:  ACCUMULATING SNOW…ENDING AS A BRIEF PERIOD OF LIGHT FREEZING RAIN OR FREEZING DRIZZLE THIS EVENING…POSSIBLY FOLLOWED BY BLACK ICE. THEN A SECOND ROUND OF HEAVY SNOW STARTING LATE THURSDAY NIGHT AND TAPERING OFF SATURDAY.

TIMING:  SNOW AND SLEET SHOWERS WILL TAPER OFF FROM THE WEST THROUGH EARLY EVENING. THE PRECIPITATION MAY TRANSITION TO LIGHT FREEZING RAIN OR FREEZING DRIZZLE IN THE EVENING BEFORE ENDING.  BLACK ICE WILL LIKELY FORM ON AREA ROADWAYS THROUGH DAYBREAK THURSDAY. THE SECOND STORM WILL IMPACT THE AREA FROMTHURSDAY   EVENING THROUGH SATURDAY NIGHT.

LOCAL ACCUMULATIONS: MINOR ADDITIONAL SNOW ACCUMULATION THIS EVENING. THEN SNOW ACCUMULATION OF 3 TO 8 INCHES…ALONG WITH AROUND TWO TENTHS TO ONE THIRD OF AN INCH OF ICE WITH THE SECOND STORM.

IMPACTS: SNOW ACCUMULATIONS ALONG WITH PERIODS OF SUBFREEZING TEMPERATURES WILL MAKE ROADS SLIPPERY AND TRAVEL TREACHEROUS.  THE POTENTIAL FORECAST ICE ACCUMULATION WITH THE SECOND STORM HAS THE POTENTIAL FOR UTILITY DAMAGES AND POWER OUTAGES.

WINDS: WEST 5 TO 10 MPH. THEN NORTHEAST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

TEMPERATURES: MAINLY IN THE UPPER 20S TO LOWER 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS:  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. BLACK ICE MAY LINGER AFTER THE SNOW ENDS THURSDAY MORNING.  ADDITIONAL PREPAREDNESS MEASURES MAY BE NECESSARY REGARDING ICE ACCUMULATIONS AND RELATED POWER OUTAGES IF FORECAST REMAINS OR INCREASES.

ADDITIONAL WATCHES OR WARNINGS WILL BE ISSUED AS NEEDED OR REQUIRED.

Here’s the 2:30 p.m. forecast from the National Weather Service:

Winter storm advisory until 7 a.m. Thursday.

This afternoon, a 40 percent chance of show with a high of 35 and south southwest wind at 8 mph. Less than half an inch possible.

Tonight, a 20 percent chance of snow before 9, low of 24.

Thursday, mostly sunny, high of 25, wind shifting to the north northeast around 6 mph.

A chance or rain and sleet Thursday night, Low around 30 with east winds at 5-8 mph. The chance of precipitation is 80 percent, with sleet accumulating to less than 1 inch.

Friday, sleet before 9 a.m., then freezing rain between 9 a.m. and 5 p.m., then rain or freezing rain. The high will be 33, with east winds at 9-14 mph and gusts up to 21 mph. The chance of precipitation is 100 percent.

The combination of wind and freezing rain could down trees and power lines.

Rain is expected Friday night, then rain or freezing rain between midnight and 4 a.m., then a chance of snow and sleet after 4 a.m. The low will be 30. The chance of precipitation is 80 percent.

Saturday, a chance of rain and snow showers before noon, then a chance of rain until 5 p.m. Mostly cloudy, with a high near 38. Chance of precipitation is 40 percent.

Saturday night, partly cloudy, low of 24.

Sunday, sunny and 45, with a low around 24.

Monday, mostly sunny and 48, with a low of 34.

Tuesday, mostly cloudy, high of 53.

Here is the advisory:

...Accumulating Snow expected across much of the Western carolinas and NorthEast Georgia today... .an upper Level disturbance will cross the Southern Appalachians this afternoon. Deeper moisture will accompany the system...And these features will interact with cold air in place across the region to produce accumulating snowfall. Temperatures around or below freezing should allow the snow to accumulate quickly on road surfaces. The Snow may transition to a brief period of light freezing rain as the precipitation tapers off this evening. Snowpacked roadways and black ice conditions may then create treacherous travel conditions through the nighttime hours. Another storm system will follow later in the week...With the possibility of significant amounts of snow and sleet beginning late Thursday night and continuing through Friday and into Saturday. Further developments with regard to the storm track... Degree of cold air...And precipitation amounts will determine when and where a Winter Storm Watch will be issued. * Hazards...Accumulating Snow...Ending as a Brief period of light freezing Rain or freezing drizzle...Possibly followed by black ice. * Timing...Snow will develop and Increase in intensity from the West through the afternoon hours. The snow may make a transition to light freezing rain or freezing drizzle in the evening before tapering off during the late evening. Black ice may form on area roadways through daybreak Thursday. * Accumulations...Snow accumulation up to an inch...Along with a trace of Ice accumulation. Western Foothill accumulations could reach 1 to 2 inches closer to the Blue Ridge. * Impacts...Snow accumulations along with periods of subfreezing temperatures will make roads slippery and travel treacherous. * Winds...West 5 to 10 mph. * Temperatures...Mainly in the upper 20s to lower 30s. Precautionary/preparedness actions... 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. Black ice may linger after the snow ends Thursday morning. Please report snow and ice accumulations by calling the National Weather Service toll Free at...1-800-267-8101. 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. Additional details can be found atwww.weather.gov/gsp.

We’re in for crazy weather, anything from rain to sleet to snow, depending on how the latest front moves in.

It’s twice as warm as it was Tuesday morning, 22, with mostly cloudy skies. What falls from those clouds is anyone’s guess.

The National Weather Service predicts a 40 percent chance of snow, mainly later this afternoon. The high will be just 35, with a south southwest wind this afternoon at 5-7 mph. If we do have snow, it will amount to less than half an inch.

Tonight, we have a chance of rain, snow and freezing rain before 7 p.m. with a light chance of freezing rain between 7 and 8. The low will be 25, and the chance of precipitation is just 30 percent. Black ice is a possibility.

We rebound Thursday, with a partly sunny day and a high of 44. Trouble moves in Thursday night, first as rain, then sleet. The chance of precipitation is 80 percent, with possible sleet accumulation of less than an inch. An east wind will blow at 5-8 mph and the low will be 30.

Expect sleet before  9 a.m., then freezing rain on Friday, with a possible eight hours of freezing rain and a 100 percent chance  of precipitation. The high will be 33, with wind from the east at 9-14 mph and gusts up to 21 mph.

Rain is likely Friday night, then a mix of rain and freezing rain, followed by a chance of snow and sleet towards the early hours of Saturday. The low will be 30, with an 80 percent chance of precipitation.

Saturday has a 40 percent chance of rain and snow showers before noon, followed by rain showers. Mostly cloudy and a cold high of 38. Saturday night will be calm, partly cloudy and have a low of 24.

Sun for Sunday, with a high of 45 and a low of 24.

Monday will be mostly sunny, with a high around 48 and a low of 34.

Tuesday will be mostly cloudy, with a high near 53.

The freezing rain on Friday could accumulate up to half and inch, downing trees and power lines.

Driving conditions throughout the period will deteriorate and become quite hazardous as freezing    rain, sleet or snow accumulates.