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The original item was published from 4/2/2019 3:32:04 PM to 4/15/2019 12:00:06 AM.

News Flash

Police Department

Posted on: April 2, 2019

[ARCHIVED] Severe Weather Awareness Week April 8-12, 2019

Lightning Strike

Severe Weather Awareness Week is April 8-12, 2019.

Warning Siren Information:

The most common and widely recognized method of warning is through the use of outdoor warning sirens. They are used by communities for a variety of purposes, including:

•    Testing – 1st Wednesday of each month at 1 p.m. 

•    Tornado warnings and severe thunderstorm warnings with sustained winds of 70 mph or greater

•    Major hazardous material spill

•    Nuclear power plant incident

Outdoor warning siren policy for Dakota County

Dakota County policy activates the outdoor warning sirens during tornado warnings and when wind speed is expected to meet or exceed 70 mph. 

When sirens are sounded

During emergencies residents will hear a 3-minute steady signal of the sirens. The sound range of a siren is about one mile, depending on the surrounding terrain.

When you hear the siren and are unsure what they are sounding for, go indoors and turn your radio or TV to one of the Emergency Alert Stations (all TV stations and most radio stations in the metro region are EAS equipped) and listen for essential emergency information. Do not call local fire or police agencies to ask why the sirens are sounding. If it is an emergency, they are busy getting equipment and manpower to the emergency scene.

No “all clear” signal is issued. That is why it is important to monitor your local radio and television stations during times of emergency for further information. 

When sirens are activated for severe weather 

The Emergency Managers from each of Dakota County’s cities have determined the policy for sounding warning sirens. The Dakota Communications Center activates the sirens.

Sirens are activated depending on the areas of the county included in the warning issued by the National Weather Service. Warnings can be on a city-by-city basis or for the entire county. The county does not make the decision of where to activate sirens.

Activation of the sirens can also be triggered by the Dakota Communications Center when notified by local law enforcement officers or a trained network of weather spotters.

The warning sirens need to be sounded before severe weathers strikes an area because possible electrical outages during severe weather would make the sirens inoperable.

Be alerted inside your house

The siren system was not designed to be a warning device for people inside their homes—it was designed for people that are outside of their homes, away from radios or televisions, which may be broadcasting warnings.

To add additional protection while you are inside, purchase a weather alert radio. These weather alert radios can be purchased at many retail stores. Prices vary from $20–$200 depending on the model and features. If you purchase a radio with the SAME feature (Specific Area Message Encoding), the receiver is capable of turning itself on from a silent mode when the signal for your area is sent out. These radios can be programmed for specific areas, so you do not receive alerts from areas far away.

Other notification options 

Local public safety has other tools that they use to alert the public. This includes the Emergency Alert Program used by the Dakota Communications Center. This mass phone notification system allows the public to register their cell phones to receive non-weather related alerts on their phones when issued by local public safety officials.

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