A warm front across Wisconsin lifted north during the afternoon and evening.  Moist and very unstable air south of the front led to the development of severe thunderstorms.  The storms produced 5 tornadoes, damaging straight line winds, large hail and some flooding.Brief tornado touchdowns in Lincoln county, Oneida county and Marathon county snapped numerous trees.  Marathon county had hundreds of trees downed and numerous barns and farm sheds destroyed by a combination of straight line winds and a tornado that remained on the ground for 14 miles.  Plows had to be used in Marathon county to clear trees from some of the roads.Other storms across central, north-central and east-central Wisconsin downed numerous trees, dropped hail as large as 3 inches in diameter, in Lincoln county, and flooded roads and basements in the Niagara (Marinette co.) and Rhinelander (Oneida co.) areas.

Hail in ONEIDA, WISCONSIN
From 18-APR-02 15:50:00 to 18-APR-02 15:50:00 (CST)
Location: RHINELANDER
Magnitude: 1.75 
Reported by: TRAINED SPOTTER

Hail in VILAS, WISCONSIN
From 18-APR-02 16:10:00 to 18-APR-02 16:10:00 (CST)
Location: MANITOWISH WATERS
Magnitude: 0.75 
Reported by: LAW ENFORCEMENT

Hail in LINCOLN, WISCONSIN
From 18-APR-02 15:24:00 to 18-APR-02 15:24:00 (CST)
Location: SPIRIT FALLS
Magnitude: 1.50 
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in SHAWANO, WISCONSIN
From 18-APR-02 18:55:00 to 18-APR-02 18:55:00 (CST)
Location: WITTENBERG
Magnitude: 55 E
Reported by: LAW ENFORCEMENT

Hail in CALUMET, WISCONSIN
From 18-APR-02 20:05:00 to 18-APR-02 20:05:00 (CST)
Location: BRILLION
Magnitude: 0.75 
Reported by: AMATEUR RADIO

Thunderstorm Wind in MENOMINEE (C), WISCONSIN
From 18-APR-02 19:10:00 to 18-APR-02 19:10:00 (CST)
Location: KESHENA
Magnitude: 50 E
Reported by: UNKNOWN

Tornado in LINCOLN, WISCONSIN
From 18-APR-02 15:49:00 to 18-APR-02 15:49:00 (CST)
Location: BRADLEY
Tornado F-scale: F0
Reported by: NWS STORM SURVEY

Thunderstorm Wind in CALUMET, WISCONSIN
From 18-APR-02 20:35:00 to 18-APR-02 20:35:00 (CST)
Location: CHILTON
Magnitude: 55 E
Property damage: 5K
Reported by: EMERGENCY MANAGER

Thunderstorm Wind in MARATHON, WISCONSIN
From 18-APR-02 18:22:00 to 18-APR-02 18:22:00 (CST)
Location: MOSINEE CENTRL WISCO
Magnitude: 65 E
Reported by: TRAINED SPOTTER

Thunderstorm Wind in SHAWANO, WISCONSIN
From 18-APR-02 19:10:00 to 18-APR-02 19:10:00 (CST)
Location: SHAWANO
Magnitude: 50 E
Reported by: LAW ENFORCEMENT

Hail in LINCOLN, WISCONSIN
From 18-APR-02 15:30:00 to 18-APR-02 15:30:00 (CST)
Location: BLOOMVILLE
Magnitude: 3.00 
Reported by: LAW ENFORCEMENT

Hail in ONEIDA, WISCONSIN
From 18-APR-02 15:41:00 to 18-APR-02 15:41:00 (CST)
Location: HARSHAW
Magnitude: 1.75 
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in WOOD, WISCONSIN
From 18-APR-02 18:30:00 to 18-APR-02 18:30:00 (CST)
Location: WISCONSIN RAPIDS
Magnitude: 50 E
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in PORTAGE, WISCONSIN
From 18-APR-02 18:45:00 to 18-APR-02 18:45:00 (CST)
Location: PLOVER
Magnitude: 50 E
Reported by: LAW ENFORCEMENT

Flood in MARINETTE, WISCONSIN
From 18-APR-02 21:00:00 to 19-APR-02 01:00:00 (CST)
Location: NIAGARA
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in MARATHON, WISCONSIN
From 18-APR-02 18:50:00 to 18-APR-02 18:50:00 (CST)
Location: PIKE LAKE
Magnitude: 60 E
Reported by: UNKNOWN

Hail in ONEIDA, WISCONSIN
From 18-APR-02 18:15:00 to 18-APR-02 18:15:00 (CST)
Location: WOODBORO
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

Hail in MARATHON, WISCONSIN
From 18-APR-02 17:37:00 to 18-APR-02 17:37:00 (CST)
Location: SPENCER
Magnitude: 0.75 
Reported by: FIRE DEPT/RESCUE SQUAD

Hail in VILAS, WISCONSIN
From 18-APR-02 18:10:00 to 18-APR-02 18:10:00 (CST)
Location: BOULDER JCT
Magnitude: 1.75 
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in MANITOWOC, WISCONSIN
From 18-APR-02 20:30:00 to 18-APR-02 20:30:00 (CST)
Location: MANITOWOC
Magnitude: 50 E
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in CALUMET, WISCONSIN
From 18-APR-02 20:10:00 to 18-APR-02 20:10:00 (CST)
Location: BROTHERTOWN
Magnitude: 50 E
Property damage: 1K
Reported by: EMERGENCY MANAGER

Hail in CALUMET, WISCONSIN
From 18-APR-02 20:35:00 to 18-APR-02 20:35:00 (CST)
Location: CHILTON
Magnitude: 0.88 
Reported by: LAW ENFORCEMENT

Tornado in MARATHON, WISCONSIN
From 18-APR-02 18:32:00 to 18-APR-02 18:32:00 (CST)
Location: (AUW)WAUSAW MUNI ARP
Tornado F-scale: F0
Reported by: NWS STORM SURVEY

Flood in ONEIDA, WISCONSIN
From 18-APR-02 20:50:00 to 19-APR-02 00:50:00 (CST)
Location: CENTRAL PORTION
Property damage: 16.2K
Reported by: LAW ENFORCEMENT

Tornado in ONEIDA, WISCONSIN
From 18-APR-02 16:33:00 to 18-APR-02 16:33:00 (CST)
Location: RHINELANDER
Tornado F-scale: F0
Reported by: NWS STORM SURVEY

Tornado in MARATHON, WISCONSIN
From 18-APR-02 18:13:00 to 18-APR-02 18:27:00 (CST)
Location: STRATFORD
Tornado F-scale: F1
Property damage: 1.4M
Crop damage: 32K
Reported by: NWS STORM SURVEY

Thunderstorm Wind in FOREST, WISCONSIN
From 18-APR-02 17:10:00 to 18-APR-02 17:10:00 (CST)
Location: CRANDON
Magnitude: 50 E
Reported by: GENERAL PUBLIC

Hail in MARATHON, WISCONSIN
From 18-APR-02 17:20:00 to 18-APR-02 17:20:00 (CST)
Location: FENWOOD
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Hail in WINNEBAGO, WISCONSIN
From 18-APR-02 19:40:00 to 18-APR-02 19:55:00 (CST)
Location: OMRO
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Hail in MANITOWOC, WISCONSIN
From 18-APR-02 20:25:00 to 18-APR-02 20:25:00 (CST)
Location: SHOTO
Magnitude: 0.75 
Reported by: LAW ENFORCEMENT

Hail in LINCOLN, WISCONSIN
From 18-APR-02 19:10:00 to 18-APR-02 19:10:00 (CST)
Location: TOMAHAWK
Magnitude: 0.88 
Reported by: OFFICIAL NWS OBS.

Hail in MARATHON, WISCONSIN
From 18-APR-02 16:35:00 to 18-APR-02 16:35:00 (CST)
Location: ABBOTSFORD
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

Hail in ONEIDA, WISCONSIN
From 18-APR-02 15:15:00 to 18-APR-02 15:15:00 (CST)
Location: HAZELHURST
Magnitude: 1.25 
Reported by: LAW ENFORCEMENT

Hail in VILAS, WISCONSIN
From 18-APR-02 15:22:00 to 18-APR-02 15:22:00 (CST)
Location: LAC DU FLAMBEAU
Magnitude: 1.00 
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in OUTAGAMIE, WISCONSIN
From 18-APR-02 19:16:00 to 18-APR-02 19:16:00 (CST)
Location: NEW LONDON
Magnitude: 50 E
Reported by: LAW ENFORCEMENT

Tornado in ONEIDA, WISCONSIN
From 18-APR-02 15:57:00 to 18-APR-02 15:57:00 (CST)
Location: WOODBORO
Tornado F-scale: F0
Reported by: NWS STORM SURVEY

Hail in MARATHON, WISCONSIN
From 18-APR-02 17:18:00 to 18-APR-02 17:18:00 (CST)
Location: ABBOTSFORD
Magnitude: 0.75 
Reported by: LAW ENFORCEMENT

Hail in WAUPACA, WISCONSIN
From 18-APR-02 12:35:00 to 18-APR-02 12:35:00 (CST)
Location: WAUPACA
Magnitude: 0.88 
Reported by: EMERGENCY MANAGER