Heavy Rainfall in the East Wednesday; Hot Temperatures Continue in Coastal Southern California

Heavy to excessive rainfall may lead to flooding Wednesday over southwest Pennsylvania into northern West Virginia, and western Maryland. Flood Watches have been issued. An extended period of hot weather will continue for parts of coastal southern California including Los Angeles through Thursday. Heat Advisories remain in effect. Read More >

Overview

A very weak waterspout was photographed on Loon Lake in northern Shawano County on June 4, 2016. No damage occurred.

The waterspout (or tornado on water) was associated with a shower that did not produce lightning. The shower formed along a boundary (wind shift) which likely provided the rotation required to produce the weak waterspout.

Image still from video taken by Gerald Urban. Shawano Lake is in foreground.

Tornado

Tornado:

Tornado - Loon Lake
Shawano County

Date	June 4, 2016
Time (Local)	7:00 pm
EF Rating	0
Est. Peak Winds	40 mph
Path Length	Nearly stationary
Max Width	< 50 yards
Injuries/Deaths	0
Summary: A very weak waterspout occurred about five miles northeast of the city of Shawano on Loon Lake. No damage occurred.

Track Map


Radar reflectivity shortly after 7 pm. Loon Lake is located at circle.	Radar storm-relative velocity shortly after 7 pm. Loon Lake is located at circle.

The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:

EF0 Weak <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

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Heavy Rainfall in the East Wednesday; Hot Temperatures Continue in Coastal Southern California

Weak Tornado on Loon Lake in Shawano County