####018005788#### ACUS43 KWBC 010255 SCCNS3 Storm Summary Number 1 for Northern Plains to Upper Midwest Winter Storm NWS Weather Prediction Center College Park MD 1000 PM CDT Fri Mar 31 2023 ...Heavy snow and mixed precipitation continues in the Upper Midwest, as severe weather and strong winds impact the Mississippi and Ohio Valleys... Winter Storm Warnings are in effect for portions of the northern Plains and Midwest. High Wind Warnings are in effect for northeastern Missouri, western Illinois, and much of the central and southern Appalachians. Wind Advisories are in effect for the Ohio Valley, Midwest, Upper Mississippi Valley, Mid-South, Mid-Atlantic, and interior Northeast. Winter Weather Advisories are in effect for portions of the northern Plains and Midwest. For a detailed graphical depiction of the latest watches, warnings and advisories, please see www.weather.gov At 900 PM CDT...A strong low-pressure system with a minimum central pressure of 989 mb or 29.21 inHg was located in northeastern Iowa, with an occluded boundary stretching southeast to a triple point low in southern Wisconsin. A cold front extended southwestward from the triple point through Illinois, Missouri, and the ArkLaTex region, while a warm front extended eastward through the Great Lakes region and Northeast. Latest RADAR and surface observations depicted ongoing moderate to heavy snowfall on the northern flank of the precipitation shield associated with the expansive storm system along an axis stretching from central North Dakota eastward through Minnesota and northern Wisconsin. Strong northerly winds have also persisted on the backside of the low, leading to blowing snow and blizzard conditions at times. Light to moderate sleet and freezing rain was also ongoing in northern Wisconsin. In the warm sector of the system, a severe weather outbreak continued across the Upper Mississippi Valley and Ohio Valley, with expansive Tornado Watches covering much of the region through Friday night into early Saturday morning. ...Selected preliminary Storm Total Snowfall in inches from 700 AM CDT Thu Mar 30 through 900 PM CDT Fri Mar 31... ...MICHIGAN... QUINNESEC 7.0 IRON MOUNTAIN 3 NNE 5.7 PEAVY FALLS DAM 5.0 CASPIAN 1 S 4.5 ...MINNESOTA... LESTER PARK 3 SW 2.8 HOLYOKE 3 ENE 2.4 NWS DULUTH 2.4 TWO HARBORS 4 WNW 2.1 ...WISCONSIN... ALVIN 8.0 AURORA 6 W 8.0 NIAGRA 6.0 ARMSTRONG CREEK 2 N 5.5 FLORENCE 4.2 ...Selected preliminary Storm Total Snowfall in inches where the event has ended... ...NEBRASKA... CHADRON 4 ESE 9.0 WHITNEY 1 ENE 6.0 CRAWFORD 11 N 4.0 ...SOUTH DAKOTA... ROCKERVILLE 1 SW 15.0 KEYSTONE 13.0 BATTLE LAKE 2 E 12.0 HERMOSA 5 WNW 10.0 JOHNSON SIDING 10.0 DOWNTOWN RAPID CITY 4 S 9.0 ...WYOMING... STORY 2 WSW 9.0 SHERIDAN 8 SSW 7.0 BURGESS JUNCTION 17 SE 4.0 BEULAH 6 SW 3.0 Heavy snow and blizzard conditions will continue late Friday night into early Saturday as the storm system tracks eastward across the Ohio Valley. Snow will end from west to east overnight, with portions of the Dakotas and Minnesota clearing out Saturday morning, while snow continues into the mid-morning to afternoon hours on Saturday in Wisconsin and the Upper Peninsula of Michigan. Additional snowfall accumulations of 6-12" will be possible along a stripe extending from central Minnesota eastward through the Upper Midwest, with localized areas of 12-18" in northeastern Wisconsin and the Upper Peninsula of Michigan. In addition to heavy snowfall, strong winds will lead to blizzard conditions at times resulting in widespread hazardous travel conditions, including snow-covered roads and near zero visibility and whiteout conditions. Further south, in the warm sector of the system, the severe weather outbreak will continue Friday night into early Saturday morning across portions of the Ohio and Upper Mississippi Valleys, with the potential for strong tornados, damaging winds, and hail before atmospheric conditions become less favorable for said hazards early on Saturday. Furthermore, expansive strong synoptic winds will impact much of the Eastern Region outside of the Southeast and New England, with widespread Wind Advisories and High Wind Warnings valid through Saturday evening. The next Storm Summary will be issued by the Weather Prediction Center at 1000 AM CDT. Please refer to your local National Weather Service office for additional information on this event. Russell $$