https://www.usgs.gov/data/combined-occurrence-frequency-wind-speeds-and-precipitation-amounts-conducive-dust-dispersion
Dispersion of dust depends on many complex factors related to the nature of the disturbed materials, climate, dust control measures, and localized weather...
occurrence frequencywind speedscombinedprecipitationamounts
https://aurora-association.org/2017/10/20/frequency-of-occurrence/
Large magnetic storms are most common during the peak of the 11-year sunspot cycle, or during the 3 years after that peak. Geomagnetic storms that ignite...
frequency of occurrenceauroraassociation