The Latest: Snow to taper in South Dakota soon

21 Nov 2015 | Author: | No comments yet »

Elements of Midwest put together for 1st snowstorm of season – Information – NorthJersey.

AP Photo/Argus Leader, Elisha Page A snow plow heads heads down a street Friday, Nov. 20, 2015 in Sioux Falls, S.D. PIERRE, S.D. (AP) — The first significant wintry storm of the season will likely bring up to a foot of snow to parts of the Midwest this weekend, with eastern Iowa and northern Illinois bracing for the largest amounts.

Relatively warm ground temperatures could stop it from piling up, but some accumulation is possible, National Weather Service Sara Schultz told the Detroit Free Press. The storm system is moving east from Nebraska and will last through Saturday evening when it tails through Michigan, according to Richard Otto, lead forecaster at the National Oceanic and Atmospheric Administration’s Weather Prediction Center. Even as the first flakes floated to the ground on Friday morning, the storm was looking like an over-performer that would exceed many snow total forecasts.

The Weather Channel, which offers an hourly look at when the snow will arrive, says rain and snow showers will develop around 2 a.m., then turn to all snow by 5 a.m. and continue through the morning hours. KSFY reported several cars off the side of the road on Interstate 29 near Worthing, while numerous schools in the area cut classes short on Friday afternoon. Snowfall rates of 1 to 2 inches per hour are expected in the heaviest snow bands through the afternoon, which extend in an arc from north central Nebraska to eastern Iowa.

Slick roads likely contributed to two accidents at the intersection of I-29 and I-90 early Friday morning, which ended with at least one pickup truck overturned in the median and brought traffic to a standstill. Winter weather advisories are in effect on the peripheries of the storm track for less significant snow accumulation, and a winter storm watch is in effect in parts of Michigan and northern Indiana. There is a lot of dry air that wrapped down into the U.S. from the north behind the last central U.S. storm (which is still trekking through the East Coast on Thursday), so it appears the big moisture has already been tapped in the Midwest. Models are suggesting the highest snowfall totals in Iowa will range anywhere from 8 to 12 inches, with the Thursday morning GFS being on the high side of things.

Through Saturday, snow totals may reach as high as 12 inches in the northern Illinois counties, including the city of Rockville, though totals should be lower in Chicago which is very close to the relatively warm water of Lake Michigan.

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