Home Assistant Custom Components for DHMZ weather service ("Državni hidrometeorološki zavod Republike Hrvatske" / "Croatian Meteorological and Hydrological Service")
The dhmz weather platform provide meteorological data for DHMZ service ("Državni hidrometeorološki zavod Republike Hrvatske / "Croatian Meteorological and Hydrological Service") - https://meteo.hr/ . Data from DHMZ is listed on https://meteo.hr/proizvodi.php?section=podaci¶m=xml_korisnici and provided under Open Licence of Republic of Croatia - https://data.gov.hr/otvorena-dozvola and https://data.gov.hr/open-licence-republic-croatia .
Custom weather card is also included in the package, combining graphical forecast data in weather card.
The following device types and data are supported:
- Weather - Current conditions and forecasts
- Sensor - Current conditions and alerts
- Camera - Radar imagery
- Custom Weather Card - Custom lovelace card with 5-days forecast and DHMZ specifics
There are two options; manual or HACS installation:
Manual installation
- Copy
dhmzfolder incustom_componentsfrom repository to your Home Assistant configurationcustom_componentsfolder. Don't copy any other YAML files from repository root not to overwrite your own configuration. - Copy
dhmz-weather-card.jsfromwwwrepocitory folder to your Home Assistant configurationwwwfolder
HACS installation
- Use HACS custom repository (not default) - (https://github.com/kpisacic/DHMZ-home-assistant-custom-component)
- Copy
dhmz-weather-card.jsfromwwwrepocitory folder to your Home Assistant configurationwwwfolder
Each platform does not choose automatically which weather station's data to use. Selection of different identifiers is under configuration section of this document. Current version does not validate nor enforces configuration choices, but this is down the development roadmap.
For each platform, the location to use is determined according to the following list:
- station_name - name of the station for current data (mandatory)
- forecast_region_name - name of the daily forecast region (mandatory)
- forecast_text - name of daily forecast text (mandatory)
- forecast_station_name - name of 7 days hourly forecast station (mandatory)
The dhmz weather platform populates a weather card with DHMZ current conditions and forecast data.
To add DHMZ weather to your installation, add the following to your configuration.yaml file:
# Example configuration.yaml entry
weather:
- platform: dhmz
name: DHMZ Maksimir
station_name: Zagreb-Maksimir
forecast_region_name: Zagreb
forecast_text: zg_text
forecast_station_name: Zagreb_Maksimir- The platform checks for new data every 20 minutes, and the source data is typically updated hourly within 10 minutes after the hour.
- If no name is given, the weather entity will be named
weather.dhmz.
Configuration
- name:
- description: Name to be used for the entity ID, e.g.
weather.<name>. - required: false
- type: string
- description: Name to be used for the entity ID, e.g.
- station_name:
- description: The station code of a specific weather station to use - see (#station_name)
- required: true
- type: string
- forecast_region_name:
- description: The forecase region_name - see (#forecast_region_name)
- required: true
- type: string
- forecast_text:
- description: The forecast text identifier - see ##forecast_text
- required: true
- type: string
- forecast_station_name:
- description: The forecast station name - see ##forecast_station_name
- required: true
- type: string
The dhmz sensor platform creates sensors based on DHMZ current conditions data and daily forecasts.
To add DHMZ weather to your installation, add the following to your configuration.yaml file:
# Example configuration.yaml entry
sensor:
- platform: dhmz
name: DHMZ Sensor Maksimir
station_name: Zagreb-Maksimir
forecast_region_name: Zagreb
forecast_text: zg_text
forecast_station_name: Zagreb_Maksimir
monitored_conditions:
- temperature
- pressure
- pressure_tendency
- humidity
- wind_speed
- wind_bearing
- condition
- precipitation
- forecast_text_today
- forecast_text_tommorow- A sensor will be created for each of the following conditions, with a default name like
sensor.<name>_temperature:temperature- The current temperature, in ºC.pressure- The current air pressure, in kPa.pressure_tendency- The current air pressure tendency, e.g. "+0.5" in last hour.humidity- The current humidity, in %.condition- A brief text statement of the current weather conditions, e.g. "Sunny".wind_speed- The current sustained wind speed, in km/h.wind_bearing- The current cardinal wind direction, e.g. "SSW".precipitation- precipitation in last 24 hours, in mm.forecast_text_today- A textual description of today's forecastforecast_text_tommorow- A textual description of tommorow's forecast
Configuration
- name:
- description: Name to be used for the entity ID, e.g.
sensor.<name>_temperature. - required: false
- type: string
- description: Name to be used for the entity ID, e.g.
- station_name:
- description: The station code of a specific weather station to use - see (#station_name)
- required: true
- type: string
- forecast_region_name:
- description: The forecase region_name - see (#forecast_region_name)
- required: true
- type: string
- forecast_text:
- description: The forecast text identifier - see ##forecast_text
- required: true
- type: string
- forecast_station_name:
- description: The forecast station name - see ##forecast_station_name
- required: true
- type: string
- monitored_conditions:
- description: List of sensors to monitor, create in home assistant
- required: true
- type: list or
- temperature
- pressure
- pressure_tendency
- humidity
- wind_speed
- wind_bearing
- condition
- precipitation
- forecast_text_today
- forecast_text_tommorow
The dhmz camera platform displays DHMZ [radar imagery].
To add DHMZ radar imagery to your installation, add the desired lines from the following example to your configuration.yaml file:
# Example configuration.yaml entry
camera:
- platform: dhmz
name: DHMZ Radar
delta: 300
previous_images_time: 125
current_image_time: 2000
longitude: 48
latitude: 16
mark_location: True
image_format: WebPConfiguration
-
name:
- description: Name to be used for the entity ID, e.g.
camera.<name>. - required: false
- type: string
- description: Name to be used for the entity ID, e.g.
-
delta:
- description: Time in seconds between check for new radar images, defaults to 300 sec
- required: false
- type: integer
-
previous_images_time:
- description: Time in miliseconds that determines how long old radar images in animation will be displayed, defaults to 125 ms
- required: false
- type: integer
-
current_image_time:
- description: Time in miliseconds that determines how long last (current) radar image in animation will be displayed, defaults to 2000 ms
- required: false
- type: integer
-
mark_location:
- description: mark red circle on geographical coordinates of current location, default is False (not to display location). Allowed values are: True or False
- required: false
- type: string
-
longitude:
- description: Longitude of location to use for closest station determination, if not present will be taken from HA configuration
- required: false
- type: float
-
latitude:
- description: Latitude of location to use for closest station determinationdetermination, if not present will be taken from HA configuration
- required: false
- type: float
-
image_format:
- description: Animated image format that will be created, can be one of: WebP or GIF. Defaut is WebP.
- required: false
- type: string
-
If no
nameis given, the camera entity will be namedcamera.dhmz. -
If no
deltais given, default is set to 300 seconds (every 5 minutes). Since radar images on DHMZ are refreshed every 5 minutes, it is recommented to put this not less then 60 seconds (every minute). Components checks if image was actually updated and will not re-download it's contant if it is unchanged from last check. -
previous_images_timeandcurrent_image_timecan determine how radar image animation will be generated. All old but current radar images are show forprevious_images_timeand only last and current radar image is shown forcurrent_image_time. Please note that since HA refreshes images every 10 seconds, best results are achieved if sum of all image times can be multiplied to this 10 seconds. This is why default values of 125 ms and 2000 ms - which sum up to 5 seconds (24x125+2000=5000) - which is nicely shown in the previes window without jerky and skipping frames. If changing these times it is strongly suggested to keep it to match to: 24 xprevious_images_time+current_image_time= 10 sec or any other common denominator of 10 sec. -
logitudeandlatitudeare only usefull when settingmark_locationas True.mark_locationwill work without explicitly statedlogitudeandlatitudeif HA has home location correctly configured. -
image_formatthat animated image will be created in. Default is WebP, since it yields smaller image sizes. If you face issue in displaying WebP in your web browser, you can change to GIF, but files shall be larger and producing more traffic towards browser.
Known issues
- When displaying radar image in home assistant's dashboard picture entity card, use "auto" not "live" mode. Ddifference is that in "auto" browser will fetch new picture every 10 seconds. And in "live" it will fetch every half seconds. This unfortunately cannot be changed, and for our purpose, more kless frequent refresh e.g. one per minute or even every 5 minutes, would be sufficient. This every 10 seconds refresh will cause only traffic between browser and home assistant server, not towards service provider DHMZ, since all images are cached. However, improvement would be to use some alternative to stock picture entity card which allows custom refresh rates. One such is https://github.com/dimagoltsman/refreshable-picture-card , but unfortunately, it does not work correctly for camera_image methods, only for static entity images.
To add custom card for DHMZ weather, add following to your lovelace configuration YAML file:
- Under resources section add custom card definition
resources:
- type: js
url: /local/dhmz-weather-card.js- In views and cards section add following card
cards:
- mode: hourly
type: 'custom:dhmz-weather-card'
weather: weather.dhmz_maksimir
show_today_text: true
show_tomorrow_text: trueWith weather attribute you should state name of the entity configured in weather compontent.
For mode, please use daily or hourly, since hourly was mostly customized and tested and is preffered to be used.
Attribute show_today_text - shows today's text forecast (true|false), default is true.
Attribute show_tomorrow_text - shows tomorrow's text forecast (true|false), default is true.
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