Mesoscale discussion for heavy snow and localized blizzard conditions for much of north-central and northeast Minnesota through late this evening — Technical discussion at this link https://www.spc.noaa.gov/products/md/md0305.html
A strong area of low pressure was over far northeast Nebraska late this Thursday afternoon, this low will track slowly northeast into south-central Minnesota late tonight-Friday morning.
Goes-16 water vapor satellite loop from Thursday, April 11, 2019.
The yellow colors represent drier air in the mid levels of the atmosphere, this results in precipitation becoming more spotty and not as intense as that drier air moves overhead.
18z NAM-WRF model 4-11-19
Radar forecast valid through 1 AM Saturday.
Snow, heavy at times along with some sleet and freezing rain continues across the Northland tonight. The threat for mixed precipitation is greatest over far eastern Minnesota into northwest Wisconsin. Isolated thunderstorms are also possible tonight.
Snow continues Friday but shouldn’t be as heavy as what falls tonight. Expect more of a mix of snow and rain in northwest Wisconsin on Friday.
All of the precipitation wraps up Friday night.
18z NAM-WRF model 4-11-19
Powerful northeast winds will linger tonight near Lake Superior with wind gusts of 40 to around 60 mph. Winds will diminish after 8 AM Friday. Note: The strong winds will likely blow down some tree branches and power lines causing power outages tonight.
Additional snowfall amounts through Friday
Note: 1.0 inch of snow has fallen so far in Duluth (Airport location) through 6 PM Thursday. Potential for another 4 to 6 inches of snow through Friday morning, this would bring snowfall storm totals to 5 to 7 inches.
Power outage maps
Minnesota Power – https://www.mnpower.com/OutageCenter/OutageMap
Lake Country Power – http://outage.lcp.coop/#viewer-menu-parent
Wisconsin – https://511wi.gov/map#:Alerts
No travel advised in the following areas
Source: MNDOT; CBS 3 Duluth
…Info as of 3:50 PM Thursday, April 11…
•Highway 2 from i-35 across the Bong Bridge
•Highway 53 from Blatnik Bridge to Cotton
•East McQueen Street across the Oliver Bridge
•i-35 from just south of the Scanlon area to Duluth
•Highway 61 from the end of i-35 to Brighton Beach
•Highway 2 from i-35 to Lenroot Street
•Highway 194 from US 53 to Highway 2
•Highway 33 from Saginaw to US 53
Lakeshore Flood Warning continues until 7 AM Friday for Southern Lake, Southern St. Louis and Carlton Counties in northeast Minnesota, and for Douglas, Bayfield, Ashland and Iron Counties in northwest Wisconsin. This includes the cities of Silver Bay, Two Harbors, Duluth, Superior, Port Wing, Bayfield and Ashland.
Large waves will cause lakeshore erosion and tidal overflow into areas like Canal Park and Brighton Beach. The lakewalk may be damaged as the waves may contain large chunks of ice that will loft onto the shoreline.
Lakeshore flooding is possible along the shoreline of western Lake Superior.
Winter Storm Warning continues for all of northeast Minnesota and northwest Wisconsin until 1 PM Friday. Expect snow and blowing snow through Friday with the worst conditions expected tonight. Mixed precipitation will also occur tonight in eastern Minnesota and northwest Wisconsin with some accumulation of sleet and ice. Near blizzard conditions will occur at times tonight near Lake Superior, especially in the Twin Ports area.
Storm Reports for April 11, 2019
Wind gust to 70 mph was reported on the Blatnik Bridge in Duluth per mesonet station at 4:01 PM Thursday.
2:00 PM: Breezy Point, MN: Non-Thunderstorm Wind Damage. A few 18 to 20 inch diameter trees knocked down.
2:45 PM: Gordon, WI: Snow 2.0″
3:51 PM: 2 N Cloquet, MN: Snow 1.0″
4:45 PM: 8 NNW Coleraine, MN: Snow 1.0″
5:20 PM: 5 S Herbster, WI: Snow 1.5″
5:30 PM: Gile, WI: Snow 2.5″
5:30 PM: 2 ENE Holyoke, MN: Snow 1.7″
5:30 PM: 7 ESE Superior, WI: Snow 1.0″
5:30 PM: 3 SSW Bruno, MN: Snow 1.0″
Peak wind gusts so far in Duluth: 54 mph at the Airport and 56 mph at the Duluth Harbor.