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2024 Hennepin County All -Jurisdiction Hazard Mitigation Plan <br />Volume 2 — Hazard Inventory <br />The largest hail reported in the Twin Cities was 2 inches, and most reports were in the 1-1.5" range. <br />However, the intense straight-line winds turned the hail into dangerous projectiles, and produced far <br />more damage than would normally be expected. <br />August 6, 2013: The National Night Out Storm <br />Radar and report -based hail tracks. Source Minnesota State Climatology Office <br />On an evening when many Minnesotans were outside at neighborhood block parties, a powerful <br />supercell thunderstorm moved across central Minnesota into western Wisconsin, producing a large <br />swath of severe weather. Most reports were concentrated just south of the 1-94 corridor, and the storm <br />caused extensive damage to crops and vehicles. <br />The National Night Out storm had <br />less wind but somewhat larger hail <br />than the May 15, 1998, storm. <br />Winds were generally confined to <br />65 mph or less, but hail sizes were <br />typically 1.5 - 2 inches in the core <br />of the storm, which covered the <br />southwestern third of Hennepin <br />County. Damage to roofs and <br />vehicles was common from Maple <br />Plain, through the Lake <br />Minnetonka area, into Eden Prairie <br />and Bloomington. Damages were <br />not quantified locally, but Aon- <br />Benfield counted $1.25 billion in <br />damages from storms over the <br />northl ern and centraUS on August <br />Damage to squad car. Image courtesy Eden Prairie Police Department <br />5-7, noting that Minnesota and <br />Wisconsin were hardest -hit. <br />100 <br />