Monday, December 14
8:30pm
There is a Winter Storm Watch in effect from Tuesday (12pm) - Wednesday (6pm) CST for the following counties:
Burleigh, Morton, Sioux, Grant, Oliver, Emmons, Sheridan, Wells, Kidder, Logan, McIntosh, Stutsman, Pierce, Benson And areas to the West & South in ND & SD.
There is a Winter Weather Advisory in effect from Tuesday (5am) - Wednesday (5am) MST for the following counties:
Slope, Hettinger, Bowman, Adams and areas to the South & East.
8:30pm
There is a Winter Storm Watch in effect from Tuesday (12pm) - Wednesday (6pm) CST for the following counties:
Burleigh, Morton, Sioux, Grant, Oliver, Emmons, Sheridan, Wells, Kidder, Logan, McIntosh, Stutsman, Pierce, Benson And areas to the West & South in ND & SD.
There is a Winter Weather Advisory in effect from Tuesday (5am) - Wednesday (5am) MST for the following counties:
Slope, Hettinger, Bowman, Adams and areas to the South & East.
OverviewThere is a low pressure system over the Upper-Midwest & Great Lakes Region with a cold front stretched South along the Atlantic coastline. In the wake of that front a ridge of high pressure is over the SE U.S. & Gulf of Mexico. A secondary, developing low is on the Lee side of the Rockies over the Central Plains.
Discussion
A low pressure system that is moving through the Upper Mississippi River Valley will continue to move East and away from our area. The low that is over the Central Plains will move North & NE toward Minnesota. Though the track of this system will bring the center of low pressure well to our East, we will still receive a light to moderate snow. Preliminary accumulations range from just under 1" up to +8". I have brought event totals down, slightly since this afternoon. Model runs will be back and forth through the next 24 hours or so. Tomorrow, I will lock down more solid numbers.
Much of Central & Eastern ND is under a Winter Storm Watch (WSW). Areas affected by the WSW are expected to receive 5"-7" + of new snow through late Wednesday. The SW corner of our viewing area is under a Winter Weather Advisory (WWA). Areas affected by the WWA are expected to receive 2"-5" of new snow. The NW corner & Northern edge of our state (not currently affected by any watches or advisories) can expect accumulations ranging from a Trace-2" of new snow.
A low pressure system that is moving through the Upper Mississippi River Valley will continue to move East and away from our area. The low that is over the Central Plains will move North & NE toward Minnesota. Though the track of this system will bring the center of low pressure well to our East, we will still receive a light to moderate snow. Preliminary accumulations range from just under 1" up to +8". I have brought event totals down, slightly since this afternoon. Model runs will be back and forth through the next 24 hours or so. Tomorrow, I will lock down more solid numbers.
Much of Central & Eastern ND is under a Winter Storm Watch (WSW). Areas affected by the WSW are expected to receive 5"-7" + of new snow through late Wednesday. The SW corner of our viewing area is under a Winter Weather Advisory (WWA). Areas affected by the WWA are expected to receive 2"-5" of new snow. The NW corner & Northern edge of our state (not currently affected by any watches or advisories) can expect accumulations ranging from a Trace-2" of new snow.
The approaching low will begin to affect parts of Western, ND overnight. Snowfall will begin to inch into our area from the west, tonight. By Tuesday afternoon, snow will begin to move through South Dakota and into the SW corner of our area. As this low moves NE, toward the Upper-Midwest, and into Minnesota, a broad swath of snowfall will move NE accordingly. By Tuesday evening, SW North Dakota will have been seeing snow. Tuesday night & Wednesday snow from this low will move over Central & Eastern ND. Snow chances will taper off Wednesday afternoon & evening.
In the wake of this passing low, temperatures will fall into a more seasonable range (BIS avg. 6/26) through the work-week & weekend.
Through the rest of tonight & Tuesday
Expect gradually developing haze that will transition into fog for parts of our area. Parts of ND will experience patchy, dense fog. Though no dense fog advisories are issued as of now, it would not surprise me if a few were issued overnight. Visibility must fall below a quarter mile across most of the county before they an event meets Dense Fog criteria. Temps will fall into the upper teens and lower to mid 20s with a light to moderate wind, bring chills about 10 degrees below the actual temp. Fog should lift up/burn off by Noon on Tuesday. Otherwise, expect rising snow chances and temps staying in the 20s for the most part. By the late afternoon a light snow will be accumulated in parts of the area. This will just be the beginning of our snow event. Freezing fog is possible tonight.
In the wake of this passing low, temperatures will fall into a more seasonable range (BIS avg. 6/26) through the work-week & weekend.
Through the rest of tonight & Tuesday
Expect gradually developing haze that will transition into fog for parts of our area. Parts of ND will experience patchy, dense fog. Though no dense fog advisories are issued as of now, it would not surprise me if a few were issued overnight. Visibility must fall below a quarter mile across most of the county before they an event meets Dense Fog criteria. Temps will fall into the upper teens and lower to mid 20s with a light to moderate wind, bring chills about 10 degrees below the actual temp. Fog should lift up/burn off by Noon on Tuesday. Otherwise, expect rising snow chances and temps staying in the 20s for the most part. By the late afternoon a light snow will be accumulated in parts of the area. This will just be the beginning of our snow event. Freezing fog is possible tonight.
7day planner
Tuesday & Wednesday our next snow-maker will move through the Dakotas, resulting in a broad range of (event) snow totals. Some parts of our state may see +8" while others will only receive >1" (see above map). In the wake of this system we will see gradually clearing skies and temps falling into a more seasonable range teens & single digits for lows and teens & 20s for highs. By the late-weekend, temps will be slightly above average and still below freezing. The beginning of our work week will bring our next front.
Tuesday & Wednesday our next snow-maker will move through the Dakotas, resulting in a broad range of (event) snow totals. Some parts of our state may see +8" while others will only receive >1" (see above map). In the wake of this system we will see gradually clearing skies and temps falling into a more seasonable range teens & single digits for lows and teens & 20s for highs. By the late-weekend, temps will be slightly above average and still below freezing. The beginning of our work week will bring our next front.
TONIGHT...Cloudy skies with a chance for freezing rain & snow. Lows 17-25. NE wind 2-12mph. Chills in the teens & single digits. 30% chance for mix/snow. Little to no accumulation.
TUESDAY...Cloudy skies with a rising chance for a wintry mix becoming snow and a WSW stating at Noon. Highs 25-31. NE/N wind 5-15mph G22. Chills in the teens. 40% chance for mix/snow. < 1" of new snowfall.
TUESDAY NIGHT...Cloudy skies with a likely chance for snow and a WSW in effect for parts of our area. Higher accumulations Central & Eastern, ND. Lows 16-22. North wind 8-16mph G25. Chills in the single digits. 70% chance for snow. 1"-4" of new snowfall.
WEDNESDAY...Cloudy skies with a continued, likely chance for snow and a WSW in effect for parts of our area (through much of the day). Highs 23-29. NW wind 10-22mph G30. Chills in the single digits & teens. 60% chance for snow. 1"-3" of new snowfall.
WEDNESDAY NIGHT...Cloudy skies with tapering snow chances and falling temps. The WSW will expire as the passing low moves away from our area. Lows 10-17. NW/W wind 10-22mph G30. Chills in the single digits/below zero. 20% chance for snow.
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