Categories

Parameters

Validation Criteria

Icing

Temperature and,

Relative Humidity and,

Wind direction standard deviation or

Mean Wind Speed

<2˚C

>80%

=0˚

=0 m/s

Range test criteria at 80 m

Mean wind speed

0 m/s < value < 25 m/s

Wind speed standard deviation

0 m/s < value < 3 m/s

Maximum gust of wind speed

0 m/s < value < 30 m/s

Wind direction standard deviation

1˚ < value < 75

Max gust vs. mean wind speed

Max gust ≤2.5* Mean WS

Relational test criteria between 80 m and 50 m

Δ Mean wind speed

≤2 m/s

Δ Mean wind speed by day

≤5 m/s

Δ Mean wind direction

≤20˚

Relational test criteria between 80 m and 30 m

Δ Mean wind speed

≤4 m/s

Δ Mean wind speed by day

≤7.5 m/s

Trend test criteria

Mean wind speed

<5 m/s

Temperature

≤5˚C