| Sand that is raised by the wind to heights of six feet or greater. It is reported as BLSA in an observation and on the METAR. |
| •owl:Thing |
| •SpatioTemporalThing |
| •Perdurant |
| •Event |
| •Phenomenon |
| •ObscurationPhenomenon |
| •SandRelatedObscurationPhonemena |
| •BlowingSand |