Extreme HeatRisk impacts will expand from the Midwest into the Mid-Atlantic and Northeast today. This level of HeatRisk is known for being rare and/or long duration with little to no overnight relief, and affects anyone without effective cooling and/or adequate hydration. Severe weather potential continues from the Great Lakes to the Central Plains today. Heavy rainfall for Southwest on Tuesday. Read More >
Overview
|
Isolated severe thunderstorms with large hail, gusty winds, and a weak tornado hit north-central and northeast Wisconsin during the evening of July 12, 2017. Ping-pong ball size hail was reported with a couple of thunderstorms in far north-central Wisconsin. A weak tornado formed with a storm in Portage County. This tornado is the 13th in the NWS Green Bay service area of northeast Wisconsin (through July 14). The average number of tornadoes in northeast Wisconsin for a year is seven. |
Tornadoes:
|
Tornado - Near Custer
Track Map  
Downloadable KMZ File |
||||||||||||||||
The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
| EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
 |
|||||
Photos and Radar:
 |
 |
 |
 |
| Funnel cloud after tornado damage, taken after 8:30 pm. (Image: Joyce Karpinski) |
Tornado track through corn field. (Image: Dave Eron) |
Damage to outbuilding. (Image: Dave Eron) |
Radar image at 8:32 PM showing reflectivity (L) and storm-relative velocity. |
 |
Media use of NWS Web News Stories is encouraged! Please acknowledge the NWS as the source of any news information accessed from this site. |
|
Follow us on X
Follow us on Facebook
Follow us on YouTube
GRB RSS Feed