openHAB

# Synop Analyzer Binding

This binding downloads and interprets SYNOP weather observation messages.

# Binding Configuration

The binding itself has no configuration options; all configuration is done at the Thing level.

# Supported Things

There is exactly one supported Thing type, which represents a SYNOP message: synopanalyzer.

# Discovery

If a system location is set, the nearest available SYNOP station will be automatically discovered for this location. The search radius expands with each successive scan.

# Provided icon set

This binding has its own IconProvider and makes available the following list of icons

Icon Name Dynamic Illustration
oh:synopanalyzer:beaufort Yes Beaufort
oh:synopanalyzer:octa Yes Octa

# Thing Configuration

SYNOP messages are typically updated every hour.

# Channels

The weather information that is retrieved is available as these channels:

Channel Type ID Item Type Description
temperature Number:Temperature Current outdoor temperature
pressure Number:Pressure Current pressure
wind-speed Number:Speed Current wind speed
wind-speed-beaufort Number Wind speed according to Beaufort scale
wind-angle Number:Angle Current wind direction
wind-direction String Wind direction
overcast String Appreciation of the cloud cover
octa Number Part of the sky covered by clouds (in 8th)
attenuation-factor* Number Cloud layer attenuation factor
time-utc DateTime Observation time of the Synop message
horizontal-visibility String Horizontal visibility range
wind-barb Image Graph of the wind speed and direction
  • "Cloud attenuation factor" (Kc) as defined by Kasten and Czeplak (1980).

# Example

# Things

Example Thing definition:

synopanalyzer:synopanalyzer:trappes [ stationId=7149 ]

# Items

Number:Temperature Synop_Temperature "Temperature [%.1f %unit%]" <temperature> { channel = "synopanalyzer:synopanalyzer:trappes:temperature" }
Number:Pressure    Synop_Pressure    "Pressure [%.1f %unit%]"     <pressure>   { channel = "synopanalyzer:synopanalyzer:trappes:pressure" }
Number:Angle       Synop_Wind_Angle  "Wind Angle [%d °]"          <wind>       { channel = "synopanalyzer:synopanalyzer:trappes:wind-angle" }
String             Synop_Wind_Direction "Direction [%s]"                        { channel = "synopanalyzer:synopanalyzer:trappes:wind-direction" }
Number:Speed       Synop_Wind_Speed  "Wind Speed [%.2f %unit%]"   <wind>       { channel = "synopanalyzer:synopanalyzer:trappes:wind-speed" }
Number             Synop_Octa        "Octa [%d]/8"  <oh:synopanalyzer:octa>    { channel = "synopanalyzer:synopanalyzer:trappes:octa" }
DateTime           Synop_time        "Observation Time [%1$ta %1$tR]" <clock>  { channel = "synopanalyzer:synopanalyzer:trappes:time-utc" }

# Transformations

octa.map

0=○ No clouds
1=⌽ A few clouds
2=◔ A few clouds
3=◑ Scattered clouds
4=◑ Scattered clouds
5=◕ Broken sky
6=◕ Broken sky
7=◕ Broken sky
8=● Overcast sky
9=⊗ Obscured sky

UNDEF=Unknown ⁉
NULL=Unknown ⁉
-=Unknown ⁉
=Unknown ⁉

beaufort.scale

[0..1[=Calm
[1..2[=Very light breeze
[2..3[=Light breeze
[3..4[=Gentle breeze
[4..5[=Moderate breeze
[5..6[=Fresh breeze
[6..7[=Strong breeze
[7..8[=Near gale
[8..9[=Gale
[9..10[=Strong gale
[10..11[=Storm
[11..12[=Violent storm
[12..15[=Hurricane
[..]=Unknown ⁉
NaN=Not initialized (NaN)
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