Understanding Outdoor Warning Sirens

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Executive Summary

This document, issued by the Bloomingdale Office of Emergency Management, provides essential information to residents regarding the purpose and proper response to outdoor warning sirens. It clarifies that these sirens are designed to alert individuals who are outdoors to imminent dangers like severe flooding or tornadoes, serving as an early warning to seek shelter and stay informed through official emergency channels. The text details two distinct siren tones: a long, steady wail for emergencies, and a fluctuating high-low wail for Fire Department dispatches. It also mentions a single high-low wail for regular testing on weekdays at 5:00 PM. Residents are advised to stay informed via local weather radio, TV, social media, or Bloomingdale's emergency notification system (RAVE) upon hearing a warning tone, and to move indoors immediately. The document emphasizes that sirens are not intended for indoor notification or to signal an 'all-clear.' It encourages residents to have multiple ways to receive emergency alerts and highlights the Bloomingdale Emergency Notification System (RAVE), providing instructions on how to sign up and update account information via the Borough's website or getrave.com. Contact information for the Deputy OEM Coordinator is also provided for further inquiries.

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Document Text

--- Document: Understanding Outdoor Warning Sirens Document ---
 
 
 
Understanding Outdoor Warning Sirens: What You Need To Know: 
Bloomingdale Office of Emergency Management wants to remind residents 
about the purpose of outdoor warning sirens and how to respond when they 
are activated. 
Outdoor warning sirens are designed to alert people who are outdoors of 
imminent danger, such as severe flooding, tornadoes, or other life-
threatening emergencies. These sirens serve as an early warning system, 
giving people the opportunity to seek higher ground or shelter and stay 
informed through official emergency channels. 
What Do the Sirens Mean? 
Outdoor warning sirens typically use two distinct tones to communicate 
different types of emergencies: 
• Warning Tone: A long, steady wail lasting 3 minutes that indicates an 
emergency. When you hear this tone, immediately check for official 
emergency updates 
• Wavering Tone: A fluctuating, high-low wail is used to indicate that your 
Fire Department has been dispatched to an incident 
• One Short Tone:  A single high-low wail that indicates testing of your 
local sirens Monday through Friday at 5:00pm 
How to Respond to a Siren Activation 
• Stay Informed: Tune in to local weather radio, TV, Bloomingdale’s 
official social media platforms or Bloomingdale’s emergency 
notification (RAVE) for updates and instructions 
• Hearing a warning tone is a signal to move indoors, seek shelter and 
tune into to your local weather radio, TV, social media or 
Bloomingdale’s emergency notification system (RAVE) for further 
BLOOMINGDALE 
SIREN WARNING SYSTEM 


instructions. Make sure everyone in your household knows the safest 
place to be during an emergency 
• Know the Testing Schedule: In Bloomingdale, sirens are tested 
regularly. These tests confirm that the system is working and are not an 
indication of an emergency 
What Outdoor Sirens Are NOT For: 
• Sirens are not intended to be heard indoors; follow NOAA (National 
Oceanic and Atmospheric Administration) weather radios, mobile 
alerts, and other notification systems for indoor warnings. 
• Sirens do not signal an "all-clear”. Once activated, people should 
continue monitoring local emergency updates for further instructions. 
In addition to understanding sirens, residents are encouraged to have 
multiple ways to receive emergency alerts, including your town 
emergency notification systems (RAVE), weather apps, NOAA weather 
radios, local news broadcasts and Bloomingdale’s official social media 
platforms. Having a family emergency plan and knowing where to go 
during severe weather can save lives. 
Bloomingdale Emergency Notification System: 
 
 


THERE ARE SEVERAL "OPT-IN" LISTS
TO CHOOSE FROM. CLICK ON ANY
OPT-IN THAT YOU WOULD LIKE
NOTIFICATIONS FOR:
SIGN UP:
Navigate to the Borough’s website
at www.bloomingdalenj.net. At
the bottom of the home page,
click on “Rave Alert Sign Up” and
follow the directions to sign up.
Copy the following in your browser and
sign in. You will need to login with the
registration email that is associated with
your user information. If you do not know
your password, you can use the 'forgot
password' option to reset the password.
https://www.getrave.com/elogin.do
Click on “My Account” to update your
information. Then click on “Opt In Lists” to
opt in to any of the "opt-ins".
www.bloomingdalenj.net
For More Information Contact
Deputy OEM Coordinator Dawn Hudson at
dhudson@bloomingdalenj.net
HOW TO SIGN UP FOR
BLOOMINGDALE'S
EMERGENCY
NOTIFICATION SYSTEM
EDIT
YOUR
ACCOUNT:
OR
OR