Smhi Binding

This binding gets hourly and daily forecast from SMHI - the Swedish Meteorological and Hydrological Institute. It can get forecasts for the nordic countries (Sweden, Norway, Denmark and Finland).

Supported Things

The binding support only one thing-type: forecast. The thing can be configured to get hourly forecasts for up to 24 hours, and daily forecasts for up to 10 days.

Discovery

This binding does not support automatic discovery.

Thing Configuration

The forecast thing needs to be configured with the latitude and longitude for the location of the forecast. You can also choose for which hours and which days you would like to get forecasts.

Parameter	Description	Required
Latitude	Latitude of the forecast	Yes
Longitute	Longitude of the forecast	Yes
Hourly forecasts	The hourly forecasts to display	No
Daily forecasts	The daily forecasts to display	No

Channels

The channels are the same for all forecasts:

Basic channels

channel	type	description
Temperature	Number:Temperature	Temperature in Celsius
Wind direction	Number:Angle	Wind direction in degrees
Wind Speed	Number:Speed	Wind speed in m/s
Wind gust speed	Number:Speed	Wind gust speed in m/s
Minimum precipitation	Number:Speed	Minimum precipitation intensity in mm/h
Maximum precipitation	Number:Speed	Maximum precipitation intensity in mm/h
Precipitation category*	Number	Type of precipitation
Air pressure	Number:Pressure	Air pressure in hPa
Relative humidity	Number:Dimensionless	Relative humidity in percent
Total cloud cover	Number:Dimensionless	Mean value of total cloud cover in percent
Weather condition**	Number	Short description of the weather conditions

Advanced channels

channel	type	description
Visibility	Number:Length	Horizontal visibility in km
Thunder probability	Number:Dimensionless	Probability of thunder in percent
Frozen precipitation	Number:Dimensionless	Percent of precipitation in frozen form (will be set to UNDEF if there's no precipitation)
Low level cloud cover	Number:Dimensionless	Mean value of low level cloud cover (0-2500 m) in percent
Medium level cloud cover	Number:Dimensionless	Mean value of medium level cloud cover (2500-6000 m) in percent
High level cloud cover	Number:Dimensionless	Mean value of high level cloud cover (> 6000 m) in percent
Mean precipitation	Number:Speed	Mean precipitation intensity in mm/h
Median precipitation	Number:Speed	Median precipitation intensity in mm/h

* The precipitation category can have a value from 0-6, representing different types of precipitaion:

Value	Meaning
0	No precipitation
1	Snow
2	Snow and rain
3	Rain
4	Drizzle
5	Freezing rain
6	Freezing drizzle

** The weather condition channel can take values from 1-27, each corresponding to a different weather condition:

Value	Condition
1	Clear sky
2	Nearly clear sky
3	Variable cloudiness
4	Halfclear sky
5	Cloudy sky
6	Overcast
7	Fog
8	Light rain showers
9	Moderate rain showers
10	Heavy rain showers
11	Thunderstorm
12	Light sleet showers
13	Moderate sleet showers
14	Heavy sleet showers
15	Light snow showers
16	Moderate snow showers
17	Heavy snow showers
18	Light rain
19	Moderate rain
20	Heavy rain
21	Thunder
22	Light sleet
23	Moderate sleet
24	Heavy sleet
25	Light snowfall
26	Moderate snowfall
27	Heavy snowfall

Full Example

demo.things

Thing smhi:forecast:demoforecast "Demo forecast" [ latitude=57.997072, longitude=15.990068, hourlyForecasts=0,1,2, dailyForecasts=0,1 ]

demo.items

Number:Temperature Smhi_Temperature_Now "Current temperature [%.1f °C]" {channel="smhi:forecast:demoforecast:hour_0#t"}
Number:Speed Smhi_Min_Precipitation_Now "Current precipitation (min) [%.1f mm/h]" {channel="smhi:forecast:demoforecast:hour_0#pmin"}

Number:Temperature Smhi_Temperature_1hour "Temperature next hour [%.1f °C]" {channel="smhi:forecast:demoforecast:hour_1#t"}
Number:Speed Smhi_Min_Precipitation_1hour "Precipitaion next hour (min) [%.1f mm/h]" {channel="smhi:forecast:demoforecast:hour_1#pmin"}

Number:Temperature Smhi_Temperature_Tomorrow "Temperature tomorrow [%.1f °C]" {channel="smhi:forecast:demoforecast:day_1#t"}
Number:Speed Smhi_Min_Precipitation_Tomorrow "Precipitaion tomorrow (min) [%.1f mm/h]" {channel="smhi:forecast:demoforecast:hour_1#pmin"}

demo.sitemap

sitemap demo label="Smhi" {
    Frame label="Current weather" {
        Text item=Smhi_Temperature_Now
        Text item=Smhi_Min_Precipitation_Now
    }
    Frame label="Weather next hour" {
        Text item=Smhi_Temperature_1hour
        Text item=Smhi_Min_Precipitation_1hour
    }
    Frame label="Weather tomorrow" {
        Text item=Smhi_Temperature_Tomorrow
        Text item=Smhi_Min_Precipitation_Tomorrow
    }
}

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