City :
Date :
Parameters :
Available Chart :
Operationally Desirable accuracy of Forecasts by ICAO (ANNEX III)
Wind Direction : ± 20o
Wind Speed : ± 5 KT
Visibility < 800m : ± 200M
Visibility > 800m : ± 30%
Visibility > 800m : ± 30%
Precipitation : Yes/No
Cloud Amount (BKN or OVC) : Yes/No
Air Temperature : ± 1 oC