I think this might need to be:
if (localCurrentWindSpeed.state > 4|km/h)
based on this post: Working with Number:Temperature Items in rules (look for this line: How do I make a Quantity Type variable or constant in a rule?)
I think this might need to be:
if (localCurrentWindSpeed.state > 4|km/h)
based on this post: Working with Number:Temperature Items in rules (look for this line: How do I make a Quantity Type variable or constant in a rule?)