The following events were reported: Hail, Thunderstorm Wind, Tornado. These occurred near station USW00014922, approximately 32.5765 km away, between 2010-07-17 16:00:00 and 2010-07-17 19:54:00. The events included records with hailstones measuring 48.14705882352941 inches.Thankfully, no injuries or fatalities were reported. The events caused property damage valued at 1915000.0 and crop damage of 2000000.0. Episode Narrative: The atmosphere became very unstable Saturday afternoon, and along with a strong wind shear, aided in the development of very large hail, isolated tornadoes and significant straight-line wind damage. ||The first storm developed near Alexandria and moved southeast along Interstate 94 before dying in the southwest part of the Twin Cities late that afternoon. Numerous reports of very large hail, up to the size of softballs, occurred near St. Cloud, southeast to Watertown. ||The next area of severe storms developed across central Minnesota, and far west-central Minnesota and moved east and southeast toward east-central Minnesota where a strong bow echo developed and moved across the northern portion of the Twin Cities Metropolitan Area. ||There was widespread damage along the leading edge of this bow echo where numerous trees, power lines and homes were either uprooted, blown down, or destroyed. ||These storms moved into west-central Wisconsin and also caused damage to trees before weakening toward the late evening. The atmosphere became very unstable Saturday afternoon, and along with a strong wind shear, aided in the development of very large hail, isolated tornadoes and significant straight-line wind damage. Event Narrative: Numerous large trees fell in a large swath from southeast Hassan Township to the southeast part of Dayton, and to Champlin, Minnesota. There was a report of a funnel cloud in the area, but none of the damage appeared tornadic. A damage survey revealed downburst damage in the area. Several 2-3 inch diameter tree limbs were blown off near Withrow, Minnesota. Several trained spotters reported numerous dime, up to baseball size hail from north of Watertown, southeast to the southeast part of Watertown. Damage was extensive to crops and homes throughout the area. Several six inch diameter tree branches were blown down near Lino Lakes, Minnesota. Numerous large tree limbs were blown down from Mounds View, to New Brighton, Shoreview, Arden Hills and Vadnais Heights, Minnesota, including three large trees that fell on a home in Arden Hills and damaged it. A trained spotter measured a wind gust of 70 mph in Vadnais Heights. Numerous 1-2 foot diameter trees were blown down. A railroad gate crossing was damaged on Main Street, east of Anoka, Minnesota. The Crystal Airport measured a 50 knot wind gust. In addition, several large tree limbs were blown down around Brooklyn Center, Minnesota. Several 12-16 inch diameter Maple Trees were snapped in half near Cedar, Minnesota. Several six inch diameter trees were blown down north of Stillwater, Minnesota. Several 6-7 inch diameter trees were blown down in Ham Lake, Minnesota. Several 6-12 inch diameter trees were blown down along Highway 61 in White Bear Lake, Minnesota. Hundreds of trees were broken or toppled, including some that fell on sheds and houses. Shingles and soffits were removed from some houses. Measured at St Paul's Holman Field (STP). Several trees were uprooted in North St. Paul, Minnesota. Tree limbs were snapped in half near Hennepin Avenue, and Hwy 280. A 20-24 inch diameter tree was blown down near the intersection of Highway 242 and Highway 65, northeast of Blaine, Minnesota. In addition, several 18-24 inch diameter trees were blown down at the Blaine City Hall on Radisson Road. Several trained spotters reported numerous dime, up to baseball size hail from west of Minnetrista, southeast to Minnetrista, St. Bonifacius and Mound.