Podcast
Questions and Answers
What determines sea breeze divergence or convergence according to the text?
What determines sea breeze divergence or convergence according to the text?
- Elevation adjustments
- Temperature adjustments
- Wind speed adjustments
- Shape of the coastline (correct)
Where can Von Karman vortices be observed according to the text?
Where can Von Karman vortices be observed according to the text?
- Low-level wind shear decision flowchart
- Madiera
- Downstream of wind flow obstacles (correct)
- Alaskan Peninsula
In Figure 1.24, what shapes are based on wind speed?
In Figure 1.24, what shapes are based on wind speed?
- Low-level wind shear decision flowchart
- Closed-cell stratocumulus
- Open-cell cumulus shapes (correct)
- Isallobaric wind
What do we call the phenomenon that occurs when a uniformly overcast layer of clouds overlies a snow- or ice-covered surface?
What do we call the phenomenon that occurs when a uniformly overcast layer of clouds overlies a snow- or ice-covered surface?
Which type of precipitation occurs when liquid or solid water particles are lifted by the wind from the earth's surface?
Which type of precipitation occurs when liquid or solid water particles are lifted by the wind from the earth's surface?
What is the most common cause of reduced visibility due to suspended water/ice particles?
What is the most common cause of reduced visibility due to suspended water/ice particles?
Under what conditions do whiteouts typically occur?
Under what conditions do whiteouts typically occur?
Which of the following is NOT a form of solid (frozen) precipitation?
Which of the following is NOT a form of solid (frozen) precipitation?
What happens when cloud layers diffuse parallel rays from the sun in whiteout conditions?
What happens when cloud layers diffuse parallel rays from the sun in whiteout conditions?
What is the term 'shamal' derived from?
What is the term 'shamal' derived from?
What causes the summer shamal in Southwest Asia?
What causes the summer shamal in Southwest Asia?
What is the summer shamal also known as?
What is the summer shamal also known as?
What kind of weather phenomenon causes steep lapse rates and increased instability during the summer shamal?
What kind of weather phenomenon causes steep lapse rates and increased instability during the summer shamal?
Why do updrafts keep dust particles suspended during the summer shamal?
Why do updrafts keep dust particles suspended during the summer shamal?
What is established almost every night across Southwest Asia (SWA) due to the dry desert air and high rate of thermal radiation during the day?
What is established almost every night across Southwest Asia (SWA) due to the dry desert air and high rate of thermal radiation during the day?
How can one determine the rate of environmental temperature decrease from the surface to 500 mb?
How can one determine the rate of environmental temperature decrease from the surface to 500 mb?
What does a steeper environmental lapse rate indicate about potential downdraft?
What does a steeper environmental lapse rate indicate about potential downdraft?
Where is dust most easily lofted according to the text?
Where is dust most easily lofted according to the text?
What approximate lapse rate is considered optimal for strong potential downdrafts?
What approximate lapse rate is considered optimal for strong potential downdrafts?
What condition allows for the strongest wind aloft to be brought to the surface?
What condition allows for the strongest wind aloft to be brought to the surface?
What method can be used to diagnose negatively buoyant downdraft potential?
What method can be used to diagnose negatively buoyant downdraft potential?
What is the main difference between frontal dust storms and shamals?
What is the main difference between frontal dust storms and shamals?
Which jet streams can converge into a single jet streak that translates to the surface in the prefrontal dust storm phenomenon?
Which jet streams can converge into a single jet streak that translates to the surface in the prefrontal dust storm phenomenon?
What are prefrontal winds called in Iraq during prefrontal dust storms?
What are prefrontal winds called in Iraq during prefrontal dust storms?
What type of vertical velocities increase due to ageostrophic circulations in the divergent quadrants of the jet streak?
What type of vertical velocities increase due to ageostrophic circulations in the divergent quadrants of the jet streak?
When are easterly to southerly prefrontal winds favored for prefrontal dust storms?
When are easterly to southerly prefrontal winds favored for prefrontal dust storms?
Why are prefrontal dust storms difficult to detect in METSAT imagery?
Why are prefrontal dust storms difficult to detect in METSAT imagery?
