Alerra Mobile
Weather
Free · Designed for iPad. Not verified for macOS.
Alerra™ enhances community and campus safety by bridging the gap between outdoor siren systems and direct citizen communication. IMPORTANT DISCLAIMER: Alerra™ is a privately developed application and does not represent any government entity or official government agency. Emergency and public safety information may originate from participating organizations and official government agencies. Users should verify critical information through official government sources. As a mobile alerting extension for the CommanderOne® warning platform, Alerra is your partner in emergency preparedness. Through a simple opt-in experience, residents, students, and employees can receive real-time alerts and updates on their mobile devices—ensuring they are informed and prepared during emergencies.
Simple QR Code Enrollment
• Fast, frictionless onboarding
• No complex registration required
Customizable Alert Subscriptions
• Personalized subscriptions allow users to opt-in/out of alerts, reducing alert fatigue
• Receive alerts from up to five organizations
• Subscription Categories simplify the subscription process
Example Categories:
Severe weather
Public safety incidents
Community notifications
• Easily pause notifications
Typical Use Cases
• Severe weather warnings
• Hazardous material incidents
• Public safety alerts
• Community-wide notifications
• Campus or workplace alerts
Seamless CommanderOne Integration for Emergency Managers
• Fully integrated into existing CommanderOne workflows
• Centralized alert management across channels
• Scalable for municipalities, campuses, and agencies
Official Information Sources
• Aeris Weather Service: https://www.xweather.com/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Federal Signal Corporation, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Federal Signal Corporation
- Size
- 171.7 MB
- Category
- Weather
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Age Rating
16+
- 16+
- Contains
Unrestricted Web Access
- Copyright
- © 2026 Federal Signal Corporation