A strong system ejected eastward into the central part of the country just after Christmas. Precipitation started out as snow, but as warm air aloft moved in it switched over to liquid rain, freezing on contact with all sub-freezing surfaces at ground level.  The worst of the  freezing rain formed generally along the HWY 36 corridor, producing numerous power outages and causing several vehicle accidents. One such accident in Macon county proved fatal as a car slid off an icy road and killed one of its occupants.

Winter Storm in DE KALB, MISSOURI
From 29-DEC-20 07:00:00 to 29-DEC-20 20:00:00 (CST-6)
Reported by: Broadcast Media

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in MERCER, MISSOURI
From 29-DEC-20 07:30:00 to 29-DEC-20 19:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in SULLIVAN, MISSOURI
From 29-DEC-20 10:00:00 to 30-DEC-20 00:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 1 pm as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in ANDREW, MISSOURI
From 29-DEC-20 05:30:00 to 29-DEC-20 20:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in GRUNDY, MISSOURI
From 29-DEC-20 10:00:00 to 30-DEC-20 00:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 1 pm as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in WORTH, MISSOURI
From 29-DEC-20 05:30:00 to 29-DEC-20 20:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in HARRISON, MISSOURI
From 29-DEC-20 07:30:00 to 29-DEC-20 19:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in HOLT, MISSOURI
From 29-DEC-20 05:30:00 to 29-DEC-20 20:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in ATCHISON, MISSOURI
From 29-DEC-20 05:30:00 to 29-DEC-20 20:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in PUTNAM, MISSOURI
From 29-DEC-20 07:30:00 to 29-DEC-20 19:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Weather in MACON, MISSOURI
From 29-DEC-20 12:38:00 to 29-DEC-20 12:38:00 (CST-6)
Property damage: 10.00K
Reported by: Law Enforcement

As a winter storm moved into the general area, Macon County received light snow and freezing rain. Along Highway 63 near Excello - between Macon and Moberly - a box truck used by two males slid off ice covered roadway onto the east side of the roadway, and overturned. Both men were not wearing seat belts. The driver survived with injuries, while the driver did not survive his injuries.
Missouri Highway Patrol crash report: https://www.mshp.dps.missouri.gov/HP68/AccidentDetailsAction?ACC_RPT_NUM=200648868 .

Winter Storm in NODAWAY, MISSOURI
From 29-DEC-20 05:30:00 to 29-DEC-20 20:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in BUCHANAN, MISSOURI
From 29-DEC-20 07:00:00 to 29-DEC-20 20:00:00 (CST-6)
Reported by: Broadcast Media

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was 10,000 to 20,000 without power in and around the St. Joseph area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in DAVIESS, MISSOURI
From 29-DEC-20 10:00:00 to 30-DEC-20 00:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 1 pm as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

Winter Storm in GENTRY, MISSOURI
From 29-DEC-20 05:30:00 to 29-DEC-20 20:00:00 (CST-6)
Reported by: ASOS

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 10 am as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.