Several municipalities and the Point Beach Nuclear Plant within Manitowoc County operate outdoor warning sirens to alert residents of tornadoes, severe weather, or other emergencies. Outdoor warning sirens are not designed to be heard indoors or wake people at night. Click here for more information on other ways to receive warnings indoors and at night. The following is a list of municipalities with outdoor warning sirens:
- City of Kiel
- City of Manitowoc
- City of Two Rivers
- Town of Gibson
- Town of Mishicot
- Town of Two Creeks
- Town of Two Rivers
- Village of Cleveland
- Village of Mishicot
- Village of Reedsville
- Village of St Nazianz
- Village of Valders
- Village of Whitelaw
All sirens in Manitowoc County are activated for a Tornado Warning issued by the National Weather Service (NWS) or if a funnel cloud or tornado is observed by an emergency response official, such as a police officer or firefighter.
Sirens in the City of Manitowoc are also activated at the direction of the City of Manitowoc Fire Rescue Department for Severe Thunderstorm Warnings issued by the NWS. Sirens in the City of Manitowoc use a steady tone for 3 minutes to indicate a tornado and a oscillating tone for 1 minute to indicate a severe thunderstorm.
If a siren activates and no severe weather seems imminent, tune to local radio stations for more information on possible non-weather related emergencies.
Sirens are tested regularly to ensure they are operating properly according to the following schedule:
- City of Manitowoc – Saturdays at Noon
- All Others – First Wednesday of the Month at Noon