Thunderstorms
How far should you stay from a thunderstorm?
At least 20nm.
Which of the following cloud layers are considered to be a ceiling?
FEW SCT BKN OVC
BKN & OVC
What is a front?
Forward boundary of an air mass.
What causes weather?
The uneven heating of the earths surface.
What is a METAR?
A current weather observation m.
What are the three ingredients for a thunderstorm to form?
Unstable air, sufficient moisture, a lifting force.
As a private pilot with no instrument rating, what kinds of clouds can you fly in?
None!
What are the four types of fronts?
Cold, Warm, Stationary, Occluded
Should we expect better weather with a high or low pressure system.
High pressure
What information would you excpect to see on a METAR?
Time, wind, visibility, clouds, temperature, dew point, altimeter setting, precipitation
What are the three stages of a thunderstorm and how can you identify them?
Cumulus: Updrafts
Mature: Updrafts, downdrafts and precipitationWhat are the 6 types of fog?
Radiation
Advection
IceSteam
Upslope
Precipitation
What happens if a cold front catches up to a warm front? Would we have good or bad weather?
This would create an occluded front which would give us bad weather.
What is the change in pressure as you increase altitude?
Decrease of the 1 inch per thousand feet.
What time zone are METARs in?
Zulu time (-4 hours in eastern time)
What are the hazards associated with thunderstorms? Name at least 4.
Lightning, turbulence, hail, wind shear
Name three ways we can finds areas of low clouds or fog to avoid.
AIRMET (s), METAR, TAF
Why are stationary fronts associated with bad weather?
They have all three ingredients for creating severe thunderstorms
What are microbursts and how can you avoid them?
How can you identify the direction of a thunderstorm just by looking at it?
The thunderstorms anvil points in the direction it is moving.
If you are flying east and want to get to your destination as quickly as possible, would it be better to fly along the north or south of a high pressure system?
The north because high pressure systems spin clockwise