1   Definition

Meteo data is a set of data that includes

  1. Temperature
  2. Humidity
  3. Ice conditions
  4. Wind conditions
  5. Condensed water in various states:
    1. gaseous: fog
    2. liquid: rain
    3. frozen: snow, sleet, hail

2   Functional Requirements

  1. Temperature measure in degrees °C
  2. Ice conditions (yes/no)
  3. Wind conditions (Azimuth and velocity measured in m/s)
  4. Precipitations
    1. Density of fog measured in meters of clear visibility
    2. Amount of rain measured in mm/h
    3. Hail measured in mm of hailstone size
    4. Snow measured mm/h
    5. Sleet measured in meters of clear visibility.

3   Syntax

https://schemas.mpai.community/CAV2/V1.0/data/WeatherData.json

4   Semantics

Label Size Description
Header N1 Bytes Weather Data Header
– Standard-WeatherData 9 Bytes The characters “CAV-WDT-V”
– Version N2 Bytes Major version – 1 or 2 Bytes
– Dot-separator 1 Byte The character “.”
– Subversion N3 Bytes Minor version – 1 or 2 Bytes
Temperature N4 Bytes Measured in °C
RelativeHumidity N5 Bytes Measured in %
Ice N6 Bytes yes/no
WindConditions N7 Bytes degrees and m/s
Fog N8 Bytes Measured in meters of clear visibility.
Rain N10 Bytes Measured in mm/h
Hail N11 Bytes Measured in mm
Snow M12 Bytes Measured in mm/hour
Sleet N13 Bytes Measured in metres
DescrMetadata N14 Bytes Descriptive Metadata