As of the last news posting on the NWS site, there are some new data from that storm from the NWS. Data provided by the NWS Milwaukee Sullivan website.
Full story is at :
http://www.crh.noaa.gov/crnews/display_ ... 7&source=0
A 5" measured hail stone was observed 2 miles ENE of Delafield in Waukesha County (3rd largest in Wisconsin History)
A 3.25" measured hail stone was observed and reported to our skywarn group 2 miles west of Waukesha in Waukesha County.
(both have photos of the large hailstones on the NWS website)
12 tornadoes have been confirmed to have spun up on that day making it the 6th top tornado days in Wisconsin. 9 of those tornadoes spun up within the Sullivan County Warning Area.
Of the 9 in Sullivan's area, the following were in our area:
BEGINNING TIME 349 PM EF-SCALE EF-0
BEGINNING LOCATION 3.3E LAKE MILLS PATH WIDTH 25 YARDS
ENDING TIME 349 PM /BRIEF/ PATH LENGTH 0.1 MILES
ENDING LOCATION 3.3E LAKE MILLS
BEGINNING TIME 537 PM EF-SCALE EF-0
BEGINNING LOCATION 1.5S EAGLE PATH WIDTH 25 YARDS
ENDING TIME 537 PM /BRIEF/ PATH LENGTH 0.1 MILES
ENDING LOCATION 1.5S EAGLE
A second brief spin up was also observed by a trained spotter but could not be confirmed by ground assessment.