Storm Reports from Tuesday morning, April 7, 2020

-It was an active morning across southern portions of the Northland as scattered strong to severe thunderstorms moved across those areas producing hail, frequent lightning and heavy rain.

-Thunderstorms started around the Brainerd area ~4 AM today, but the weather has calmed down quite a bit late this morning as the last of the storms push southeast across north-central Wisconsin and out of our local area.

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Here are some radar shots from this morning’s storms.

4:18 AM – Severe Thunderstorm Warning issued for the Brainerd Lakes area (yellow outlined area on map) Note: This is the first severe thunderstorm warning issued this year in the Northland.

6:08 AM – Strong storms affecting the Brainerd area.

6:40 AM – Severe Thunderstorm Warning issued by the NWS (yellow outlined area) as severe thunderstorms pass south of the Aitkin area.

7:35 AM – Strong storms moved through the Sandstone and Hinckley areas

8:30 AM – Severe Thunderstorm Warning issued by the NWS for the Spooner and Shell Lake areas (yellow outlined area)

9:31 AM – An elevated supercell thunderstorm develops northeast of Ladysmith with radar indicating hail to 3 inches in diameter or larger than baseballs (Tea Cup size)

Note: Reports that have come into the NWS through 10 AM had hail up to Golf Ball size from this elevated supercell.

Storm Reports from around the Northland from Tuesday, April 7, 2020

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

9:10 AM: HAIL 0.25″ – Birchwood, WI (Washburn County) Lots of pea sized hail covering the ground.

8:50 AM: HAIL 0.25″ – 5 NNE Sarona, WI (Washburn County)

8:49 AM: HAIL 0.50″ – 3 S Spooner, WI (Washburn County) Mostly pea-sized hail, but the largest stones were measured around a half inch.

8:37 AM: HAIL 0.25″ – 2 ESE Spooner, WI (Washburn County) Very heavy pea-sized hail. Ground was whitened in 30 seconds.

8:35 AM: HAIL 0.88″ – Spooner, WI (Washburn County)

7:25 AM: HAIL 0.25″ – 4 W Hinckley, MN (Pine County)

6:49 AM: HAIL 0.70″ – 2 N Wealthwood, MN (Aitkin County) Lots of dime sized hail accumulated a quarter inch.

6:48 AM: HAIL 0.70″ – 1 SSW Deerwood, MN (Crow Wing County) Pea to dime-sized hail.

6:12 AM: HAIL 0.70″ – Brainerd, MN (Crow Wing County) Pea to dime sized hail.

6:01 AM: HAIL 1.25″ – Baxter, MN (Crow Wing County) Quarter to half dollar sized hail.

4:55 AM: HAIL 0.25″ – 1 SE Barrows, MN (Crow Wing County) Pea-sized hail fell between 4:50 and 4:55 AM.

4:10 AM: HAIL 0.50″ – 1 N Fort Ripley, MN (Crow Wing County)





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Storms earlier this morning were big time lightning producers especially from central Minnesota into north-central Wisconsin thanks in part to impressive lapse rates and a decent amount of elevated instability (CAPE) over portions of the upper Midwest.

Note: All of the different colors on the map below represent where lightning has occurred over the last 12 hours (ending at 11 AM Tuesday)

Source: https://www.lightningmaps.org/

Goes-16 visible satellite imagery from this morning showing the scattered strong to severe thunderstorms which impacted parts of east-central Minnesota between 4-7 AM, and now moving through parts of northwest and north-central Wisconsin as of mid morning Tuesday.

Source: https://weather.cod.edu/

Goes-16 infrared satellite loop from this morning with the orange and red colors on the map indicating colder cloud tops (convection)

Thanks for reading!

Tim

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