Low pressure tracking northeast from the Missouri Valley brought several rounds of thunderstorms and heavy rain to northeast Wisconsin during the afternoon and evening hours of May 17th. Three distinct rounds of activity brought damaging winds as high as 80 mph and hail as large as an inch in diameter.

Hail in WAUPACA, WISCONSIN
From 17-MAY-17 19:28:00 to 17-MAY-17 19:28:00 (CST-6)
Location: WAUPACA MUNI ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail fell east of Waupaca. The storm that produced the hail also brought heavy rain and gusty winds.

Thunderstorm Wind in WOOD, WISCONSIN
From 17-MAY-17 12:57:00 to 17-MAY-17 12:57:00 (CST-6)
Location: MARSHFIELD
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds snapped power poles and caused some damage to nearby businesses in Marshfield.

Thunderstorm Wind in ONEIDA, WISCONSIN
From 17-MAY-17 14:08:00 to 17-MAY-17 14:08:00 (CST-6)
Location: CASSIAN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a couple of trees about 20 miles west of Rhinelander.

Thunderstorm Wind in MARATHON, WISCONSIN
From 17-MAY-17 18:05:00 to 17-MAY-17 18:05:00 (CST-6)
Location: STRATFORD
Magnitude: 70.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm downburst winds downed at least a dozen trees and heavily damaged a barn in western Marathon County. The downburst winds also carried a carport more than 200 feet.

Thunderstorm Wind in MARATHON, WISCONSIN
From 17-MAY-17 18:07:00 to 17-MAY-17 18:07:00 (CST-6)
Location: ATHENS
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm winds tipped over a semi trailer in Athens. The time of the event is estimated based on radar data.

Thunderstorm Wind in LINCOLN, WISCONSIN
From 17-MAY-17 18:30:00 to 17-MAY-17 18:30:00 (CST-6)
Location: MERRILL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm wind downed several trees just south of Merrill.

Thunderstorm Wind in LINCOLN, WISCONSIN
From 17-MAY-17 18:36:00 to 17-MAY-17 18:36:00 (CST-6)
Location: IRMA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms winds downed trees east of Irma, in the vicinity of Highway 51 and County Road J.

Thunderstorm Wind in LINCOLN, WISCONSIN
From 17-MAY-17 18:40:00 to 17-MAY-17 18:40:00 (CST-6)
Location: DOERING
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees east of Doering, on County Road X.

Thunderstorm Wind in LINCOLN, WISCONSIN
From 17-MAY-17 18:45:00 to 17-MAY-17 18:45:00 (CST-6)
Location: KINGS
Magnitude: 70.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds downed at least a dozen trees and destroyed an outbuilding east of Tomahawk.

Thunderstorm Wind in WOOD, WISCONSIN
From 17-MAY-17 12:57:00 to 17-MAY-17 12:57:00 (CST-6)
Location: MARSHFIELD MUNI ARPT
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A thunderstorm wind gust to 66 mph was measured at Marshfield Municipal Airport.

Thunderstorm Wind in ONEIDA, WISCONSIN
From 17-MAY-17 14:09:00 to 17-MAY-17 14:09:00 (CST-6)
Location: ONEIDA CO ARPT
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm winds of 59 mph were measured at Rhinelander/Oneida County Airport.

Thunderstorm Wind in WOOD, WISCONSIN
From 17-MAY-17 17:48:00 to 17-MAY-17 17:48:00 (CST-6)
Location: PORT EDWARDS
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced a measured wind gust to 60 mph at Port Edwards.

Thunderstorm Wind in LANGLADE, WISCONSIN
From 17-MAY-17 19:05:00 to 17-MAY-17 19:05:00 (CST-6)
Location: ANTIGO
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees in Antigo.

Thunderstorm Wind in LANGLADE, WISCONSIN
From 17-MAY-17 19:12:00 to 17-MAY-17 19:12:00 (CST-6)
Location: ELCHO
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees in Elcho.

Thunderstorm Wind in ONEIDA, WISCONSIN
From 17-MAY-17 19:04:00 to 17-MAY-17 19:04:00 (CST-6)
Location: WOODBORO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees and power lines in Woodboro. The time of this event was estimated based on radar data.

Thunderstorm Wind in ONEIDA, WISCONSIN
From 17-MAY-17 19:16:00 to 17-MAY-17 19:16:00 (CST-6)
Location: SUGAR CAMP
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees and power lines at Sugar Camp.

Thunderstorm Wind in VILAS, WISCONSIN
From 17-MAY-17 19:34:00 to 17-MAY-17 19:34:00 (CST-6)
Location: BOULDER JCT
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed about fifteen, 15-20 inch diameter trees northwest of Boulder Junction. Some of the trees blocked roads in the area. The time of this event was estimated based on radar.

Thunderstorm Wind in OUTAGAMIE, WISCONSIN
From 17-MAY-17 21:05:00 to 17-MAY-17 21:05:00 (CST-6)
Location: GREENVILLE
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorms produced a wind gust to 61 mph at Appleton International Airport.

Thunderstorm Wind in WAUSHARA, WISCONSIN
From 17-MAY-17 20:20:00 to 17-MAY-17 20:20:00 (CST-6)
Location: WAUTOMA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Thunderstorm winds snapped and uprooted a couple of trees south of Wautoma.

Thunderstorm Wind in CALUMET, WISCONSIN
From 17-MAY-17 21:20:00 to 17-MAY-17 21:20:00 (CST-6)
Location: NEW HOLSTEIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees and power lines in New Holstein.

Thunderstorm Wind in CALUMET, WISCONSIN
From 17-MAY-17 21:20:00 to 17-MAY-17 21:20:00 (CST-6)
Location: BRILLION
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees and power lines in Brillion.

Thunderstorm Wind in OUTAGAMIE, WISCONSIN
From 17-MAY-17 21:00:00 to 17-MAY-17 21:00:00 (CST-6)
Location: SHIOCTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Thunderstorm winds downed power lines in Shiocton.

Thunderstorm Wind in OUTAGAMIE, WISCONSIN
From 17-MAY-17 21:12:00 to 17-MAY-17 21:12:00 (CST-6)
Location: NICHOLS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Thunderstorm winds downed power lines in Nichols.

Thunderstorm Wind in CALUMET, WISCONSIN
From 17-MAY-17 21:15:00 to 17-MAY-17 21:15:00 (CST-6)
Location: CHILTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Thunderstorm winds downed trees and power lines in Chilton.

Thunderstorm Wind in CALUMET, WISCONSIN
From 17-MAY-17 21:18:00 to 17-MAY-17 21:18:00 (CST-6)
Location: NEW HOLSTEIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Thunderstorm winds downed trees and power lines in New Holstein.

Thunderstorm Wind in BROWN, WISCONSIN
From 17-MAY-17 21:30:00 to 17-MAY-17 21:30:00 (CST-6)
Location: GREEN BAY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

There were about a dozen reports of trees and power lines downed by thunderstorm winds in Green Bay.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 17-MAY-17 20:37:00 to 17-MAY-17 20:37:00 (CST-6)
Location: LITTLE HOPE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Thunderstorm winds downed trees and power lines south of Waupaca.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 17-MAY-17 20:48:00 to 17-MAY-17 20:48:00 (CST-6)
Location: MANAWA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Thunderstorm winds downed trees and power lines in Manawa.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 17-MAY-17 21:02:00 to 17-MAY-17 21:02:00 (CST-6)
Location: CLINTONVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Thunderstorm winds downed trees and power lines in Clintonville.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 17-MAY-17 20:54:00 to 17-MAY-17 20:54:00 (CST-6)
Location: NEW LONDON
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm wind gust to 58 mph was measured in New London.

Thunderstorm Wind in SHAWANO, WISCONSIN
From 17-MAY-17 21:20:00 to 17-MAY-17 21:20:00 (CST-6)
Location: SHAWANO LAKE
Magnitude: 70.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Thunderstorm winds downed at least two dozen trees, causing damage to eight houses on the north shore of Shawano Lake.

Thunderstorm Wind in VILAS, WISCONSIN
From 17-MAY-17 19:34:00 to 17-MAY-17 19:34:00 (CST-6)
Location: BOULDER JCT ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed small to medium size tree limbs north of Boulder Junction.

Hail in WOOD, WISCONSIN
From 17-MAY-17 17:48:00 to 17-MAY-17 17:48:00 (CST-6)
Location: NEKOOSA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail fell southeast of Nekoosa.

Hail in WOOD, WISCONSIN
From 17-MAY-17 17:52:00 to 17-MAY-17 17:52:00 (CST-6)
Location: NEKOOSA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Nickel to quarter size hail fell near Nekoosa.

Hail in WOOD, WISCONSIN
From 17-MAY-17 18:00:00 to 17-MAY-17 18:00:00 (CST-6)
Location: BIRON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail fell east of Wisconsin Rapids, and winds downed several 1 to 2 inch diameter tree branches throughout town.