def uv_to_speed(self, data):
wind_speed = np.sqrt(data['<STR_LIT>']**<NUM_LIT:2> + data['<STR_LIT>']**<NUM_LIT:2>)<EOL>return wind_speed<EOL>
Computes wind speed from wind components.

Parameters
----------
data : DataFrame
    Must contain the columns 'wind_speed_u' and 'wind_speed_v'.

Returns
-------
wind_speed : Series