['weatherFrequency | at_times', 'weatherType | blowing_sand', 'weatherType | dust', 'windAmount | freshening', 'windDirection | Northerly', 'windSpeedBft | 20_-_30', 'windSpeedBft | 42_km/hr']
Northerly winds, freshening at times, causing blowing sand and dust with a speed of 20 - 30, reaching 42 km/hr.