Instrument Rating Exam · Mock exam

Dust devils in arid Australian regions are most likely to develop when?

• A.During hot summer afternoons when superadiabatic surface heating creates strong convective instability
• B.On winter mornings following a cold front passage, when the gusty southerly change stirs up surface dust
• C.During night-time under a strong surface temperature inversion with light and variable winds
• D.In coastal areas during sea breeze conditions, where the onshore flow lifts dust from the beach zone