A severe weather condition characterized by strong winds and dust-filled air over an extensive area.
                                                            
                                                     
                        
                                                
                        
                        
                            An ensemble of particles dust or sand energetically lifted to great height by a strong and turbulent wind.
                                                            
                                                     
                        
                                                
                        
                        
                            A severe weather condition characterized by strong winds and dust-filled air over a large area. Visibility is reduced to between 5/8ths and 5/16ths statute mile. It is reported as "DS" in an observation and on the METAR.