This forecast displays the forecast conditions for aviation. The variables shown are :-

Temp - This is the 2m temperature forecast.
Speed - This is the 2m wind speed forecast.
Dir - This is the 2m wind direction forecast.
Cloud Base - This is the forecast height in metres of the cloud base level.
0°c - This is the forecast height of the freezing level in metres.
RH - This is the 2m relative humidity forecast.
Sfc Cld - This is the forecast percentage cloud cover for surface clouds.
Low Cld - This is the forecast percentage cloud cover for low clouds.