MET Alerts Integration for Home Assistant

Welcome to the MET Alerts integration for Home Assistant! This custom component provides real-time weather alerts from MET Norway directly into your Home Assistant setup. Follow the instructions below to install and configure this integration..

Screenshot

Installation

1. Download the Repository

• Download the latest version of this repository as a ZIP file.
• Extract the contents to your Home Assistant configuration directory.

2. Copy Files

• Copy the met_alerts directory to your custom components directory:

cp -r met_alerts /config/custom_components/

3. Install Dependencies

• Ensure you have the required dependencies installed. If you are using Home Assistant Supervised or Home Assistant OS, dependencies are managed for you.

Configuration

1. Update configuration.yaml

• Add the following configuration to your configuration.yaml file:

sensor:
  - platform: met_alerts
    name: MET Alerts
    latitude: YOUR_LATITUDE
    longitude: YOUR_LONGITUDE

Replace YOUR_LATITUDE and YOUR_LONGITUDE with the coordinates for the location you want to monitor.

2. Restart Home Assistant

• Restart Home Assistant to apply the changes:

sudo systemctl restart home-assistant.service

Lovelace Dashboard Configuration

To display the MET Alerts data in your Lovelace dashboard, you can use the following configuration:

1. Entities Card for Basic Information

• Add an entities card to your Lovelace dashboard:

type: entities
title: MET Alerts
show_header_toggle: false
entities:
  - entity: sensor.met_alerts
    name: Event
  - type: attribute
    entity: sensor.met_alerts
    attribute: title
    name: Title
  - type: attribute
    entity: sensor.met_alerts
    attribute: description
    name: Description
  - type: attribute
    entity: sensor.met_alerts
    attribute: awareness_level
    name: Awareness Level
  - type: attribute
    entity: sensor.met_alerts
    attribute: certainty
    name: Certainty
  - type: attribute
    entity: sensor.met_alerts
    attribute: severity
    name: Severity
  - type: attribute
    entity: sensor.met_alerts
    attribute: instruction
    name: Instruction
  - type: attribute
    entity: sensor.met_alerts
    attribute: contact
    name: Contact
  - type: attribute
    entity: sensor.met_alerts
    attribute: area
    name: Area
  - type: attribute
    entity: sensor.met_alerts
    attribute: event_awareness_name
    name: Event Awareness Name
  - type: attribute
    entity: sensor.met_alerts
    attribute: consequences
    name: Consequences

2. Markdown Card for Resources

• Add a markdown card to display resources:

type: markdown
title: Resources
content: >
  {% if state_attr('sensor.met_alerts', 'resources') %}
  {% for resource in state_attr('sensor.met_alerts', 'resources') %}
  - [{{ resource.description }}]({{ resource.uri }})
  {% endfor %}
  {% else %}
  No resources available.
  {% endif %}

Troubleshooting

JSON Decode Error

• If you encounter a JSON decode error, ensure the URL and coordinates in your configuration are correct.

Custom Element Doesn't Exist

• If you see "Custom element doesn't exist: attribute-table-card," make sure you have installed any necessary custom cards or use the recommended markdown configuration above.

Contribution

We welcome contributions! If you find any issues or have suggestions for improvements, please open an issue or submit a pull request.

License

This project is licensed under the MIT License. See the LICENSE file for details.