Podcast
Questions and Answers
What type of fog forms when warm, moist air cools to saturation over cold water?
What type of fog forms when warm, moist air cools to saturation over cold water?
- Stratus fog
- Sea fog (correct)
- Radiation fog
- Advection fog
What is the key factor that makes sea fog formation unlikely?
What is the key factor that makes sea fog formation unlikely?
- Initial dew point less than cold water temperature (correct)
- Poleward-moving air
- Warm ocean current
- High wind speed
How does sea fog dissipate when carried over a warmer surface?
How does sea fog dissipate when carried over a warmer surface?
- Change in wind direction (correct)
- Cooling after the heat of the day
- Movement onshore to warmer land
- An increase in wind speed
What effect can an increase in wind speed have on surface fog?
What effect can an increase in wind speed have on surface fog?
In what conditions does radiation fog occur?
In what conditions does radiation fog occur?
What is the first step in making a good radiation fog forecast?
What is the first step in making a good radiation fog forecast?
What is the result of heating from below on sea fog?
What is the result of heating from below on sea fog?
How can sea fog restrict ceilings and visibility again after dissipating?
How can sea fog restrict ceilings and visibility again after dissipating?
What is the primary cause of fog forming?
What is the primary cause of fog forming?
Which type of fog occurs due to moist air moving over a colder surface?
Which type of fog occurs due to moist air moving over a colder surface?
What is another name for Radiation Fog?
What is another name for Radiation Fog?
In what conditions does Upslope Fog occur?
In what conditions does Upslope Fog occur?
What happens to the ground under stable nighttime conditions that leads to the formation of Radiation Fog?
What happens to the ground under stable nighttime conditions that leads to the formation of Radiation Fog?
How is fog composed of ice crystals referred to?
How is fog composed of ice crystals referred to?
What does adding enough moisture to raise the dew point result in?
What does adding enough moisture to raise the dew point result in?
What distinguishes fog from a stratus cloud?
What distinguishes fog from a stratus cloud?
Which two basic ingredients are necessary for precipitation to occur?
Which two basic ingredients are necessary for precipitation to occur?
Why is it important to include the estimated layer height top and/or base when reporting visibility?
Why is it important to include the estimated layer height top and/or base when reporting visibility?
What are some examples of lifting mechanisms for precipitation?
What are some examples of lifting mechanisms for precipitation?
In forecasting precipitation, what does extrapolation work best for?
In forecasting precipitation, what does extrapolation work best for?
Why are tops and bases of haze layers difficult to estimate?
Why are tops and bases of haze layers difficult to estimate?
What is an example of an obstruction to visibility mentioned in the text?
What is an example of an obstruction to visibility mentioned in the text?
How can one determine the height of haze layers according to the text?
How can one determine the height of haze layers according to the text?
Why are pilot reports of haze tops and/or bases considered useful?
Why are pilot reports of haze tops and/or bases considered useful?
What is one condition that indicates the potential for radiation fog according to the text?
What is one condition that indicates the potential for radiation fog according to the text?
Why is satellite detection of dust challenging according to the text?
Why is satellite detection of dust challenging according to the text?
What role does the FSI play in indicating radiation fog potential?
What role does the FSI play in indicating radiation fog potential?
How do Enhanced RGB satellite imagery and Aerosol Optical Depth help with dust detection?
How do Enhanced RGB satellite imagery and Aerosol Optical Depth help with dust detection?
What effect do slow wind speeds at 850 mb have on radiation fog potential?
What effect do slow wind speeds at 850 mb have on radiation fog potential?
What is a key aspect of blowing dust forecasts produced by GEPS and MEPS?
What is a key aspect of blowing dust forecasts produced by GEPS and MEPS?
How do slow wind speeds at 850 mb contribute to the formation of radiation fog?
How do slow wind speeds at 850 mb contribute to the formation of radiation fog?
What is a key difficulty associated with satellite detection of dust according to the text?
What is a key difficulty associated with satellite detection of dust according to the text?
What type of conditions prevent the formation of radiation fog?
What type of conditions prevent the formation of radiation fog?
What weather conditions are conducive to radiation fog formation?
What weather conditions are conducive to radiation fog formation?
What factor can enhance radiation fog formation in valleys?
What factor can enhance radiation fog formation in valleys?
Under what conditions will light rainfall trigger the formation of ground fog?
Under what conditions will light rainfall trigger the formation of ground fog?
Why does a strong breeze prevent radiation fog formation?
Why does a strong breeze prevent radiation fog formation?
Which factor contributes to thickening of a fog layer in calm conditions?
Which factor contributes to thickening of a fog layer in calm conditions?
