Northland Storm Reports from April 5-6, 2021

Scattered showers and thunderstorms moved through parts of northeast and eastern Minnesota and northwest Wisconsin from Monday evening through early Tuesday morning. These storms brought torrential downpours, frequent lightning and numerous reports of mostly sub-severe hail to parts of the Northland.

Radar loop from 4:20 PM Monday, April 5, 2021 to 11:18 AM Tuesday, April 6, 2021.

…Local Storm Reports from April 5-6, 2021…

Source: https://www.weather.gov/dlh/

  • 2:57 AM: Hail 0.25″. 3 NE Hermantown, MN (St. Louis County)
  • 12:55 AM: Hail 0.50″. 3 WSW Lester Park, MN (St. Louis County)
  • 12:30 AM: Hail 0.88″. 3 NNE Duluth, MN (St. Louis County)
  • 12:15 AM: Hail 0.75″. 3 WNW Duluth, MN (St. Louis County)
  • 12:10 AM: Hail 0.25″. 2 S Amnicon Falls S.P. WI (Douglas County)
  • 12:08 AM: Hail 0.25″. Knife River, MN (Lake County)
  • 12:07 AM: Hail 0.50″. Hermantown, MN (St. Louis County)
  • 12:05 AM: Hail 0.50″. 2 NNW Duluth, MN (St. Louis County)
  • 12:00 AM: Hail 0.25″. 1 ENE Duluth, MN (St. Louis County)
  • 11:57 PM: Hail 0.88″. 1 W Silver Bay, MN (Lake County)
  • 11:53 PM: Hail 0.25″. 2 W Duluth, MN (St. Louis County)
  • 11:47 PM: Hail 0.25″. 2 W Duluth, MN (St. Louis County)
  • 11:45 PM: Hail 1.25″ (Half Dollar sized hail) 1 ENE Cloquet, MN (Carlton County)
  • 11:43 PM: Hail 0.88″. Cloquet, MN (Carlton County)
  • 11:43 PM: Hail 0.50″. Proctor, MN (St. Louis County)
  • 11:40 PM: Hail 0.88″. 2 WSW Cloquet, MN (Carlton County) Spotter reports at least nickel size hail covering the ground.
  • 11:25 PM: Hail 0.50″. Cloquet, MN (Carlton County)
  • 10:36 PM: Hail 0.50″. 1 S Friesland, MN (Pine County)
  • 10:10 PM: Hail 0.70″. Northwoods Beach, WI (Sawyer County)
  • 10:01 PM: Hail 0.50″. 2 WSW Northwoods Beach, WI (Sawyer County)
  • 9:55 PM: Hail 0.75″. 4 WSW Northwoods Beach, WI (Sawyer County)
  • 9:55 PM: Hail 0.70″. 3 N Little Round Lake, WI (Sawyer County)
  • 9:44 PM: Hail 0.25″. Trego, WI (Washburn County)
  • 9:39 PM: Hail 0.25″. Shell Lake, WI (Washburn County)
  • 9:07 PM: Hail 0.25″. Grantsburg, WI (Burnett County)
  • 8:01 PM: Hail 0.25″. 7 E Pine City, MN (Pine County)
  • 7:41 PM: Hail 0.25″. Mellen, WI (Ashland County)
  • 7:37 PM: Hail 0.88″. 2 NW Mellen, WI (Ashland County) Ground was covered with dime-sized hail. Largest hail was nickel-sized.
  • 7:23 PM: Hail 0.70″. 6 WNW Loretta, WI (Sawyer County)
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Rainfall totals from 7 AM Monday, April 5, 2021 to 7 AM Tuesday, April 6, 2021.

A zoomed in view of radar estimated rainfall totals centered on the Twin Ports of Duluth and Superior – Those lighter blue and purple colors represent 1-2″+ precipitation totals, but some of this was likely in the form of hail accumulation.

…Rainfall Totals from Monday evening through Tuesday morning, April 5-6, 2021…

Source: https://www.weather.gov/dlh/

  • 4.6 NE Duluth, MN: 0.87″
  • 1.2 SE Duluth, MN: 0.84″
  • 4 NE Duluth, MN: 0.76″
  • Clam Lake, WI: 0.63″
  • Lutsen, MN: 0.56″
  • Grand Portage, MN: 0.45″
  • 1.5 NNW Superior, WI: 0.41″
  • 2.4 N Hinckley, MN: 0.36″
  • Glidden, WI: 0.36″
  • 0.8 S Askov, MN: 0.33″
  • 5.6 NE Carlton, MN: 0.30″
  • Duluth Airport: 0.26″
  • 1 W Bayfield, WI: 0.23″
  • Saginaw, MN: 0.21″
  • Esko, MN: 0.19″
  • Grand Marais, MN: 0.16″
  • Hayward, WI: 0.16″
  • 1 WSW Gordon, WI: 0.15″
  • Moose Lake, MN: 0.13″
  • Barnes, WI: 0.12″
  • Superior Airport: 0.11″
  • Minong, WI: 0.09″
  • Danbury, WI: 0.04″
  • Two Harbors, MN: 0.02″
  • Ashland, WI: 0.02″

Tim

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