Deriving weather conditions and feels like temperature from weather data
We sometimes get queries about how to use stormglass.io weather data to derive weather conditions and feels like temperature. This is not an exact science but there are a few models that can be useful.
Weather Conditions
Precipitation (Source: UK Met Office + US gov)
Slight: <0.5 mm/h
Moderate: 0.5-4 mm/h
Heavy: >4 mm/h
Wind (Source: “Simplified Beaufortscale”)
Calm: <0.5 m/s
Light Breeze: 0.5–5 m/s
Moderate: 5–10 m/s
Strong Breeze : >10 m/s
Cloud Coverage (Source: Standard / US National Weather Service)
Clear/Sunny: <1/8 %
Mostly Clear: 1/8 – 3/8 %
Partly Cloudy: 3/8 – 5/8 %
Mostly Cloudy: 5/8 – 7/8 %
Cloudy: 7/8 – 8/8 %
Feels Like Temperature
This formula from NOAA looks more complex than it is:
T: Air temperature in Farenheit
rh: Relative humidity
Weather Icons
A fantastic source for icons including weather icons is the Noun Project: https://thenounproject.com/
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