Weather Kings Flashcards
What is a characteristic of the stratosphere
Relatively small changes in temp with increasing altitude
Characteristic of tropopause
Abrupt change in temp lapse rate
Characteristics of stable air
- poor visibility
- steady precipitation
- stratified clouds
Weather conditions in a low-level temperature inversion radiation heat from earth on clear nights
Smooth air
Poor viz
Unstable air
Good viz
Turbulence
Cumulus clouds
Dew point
The temp that the air must be cooled so It becomes saturated with moisture
Radiation fog
Clear, calm nights. The grounds cools and thereby cools the air near the surface, creating fog
Advection fog
Coastal area: warm air over ocean moves inland and the cooler ground cools the air to it’s saturation point
What does wet snow indicate?
The temperature st my altitude is above freezing
Im what condition is structural icing most likely to occur?
Freezing rain
What is an operational consideration if you fly into rain that freezes on impact ?
There’s an area above you where temperatures are above freezing
What indicates freezing rain at higher altitudes?
Ice pellets
Deice
Removes accumulated ice
Anti ice
Prevents accumulation of ice
In what conditions can you expect clear ice?
- temp close to freezing
- large volumes of liquid water
- high speeds
When flying through super-cooled water droplets, what is the first sign of structural ice accumulation?
Probes and antennas
In the event of suspected tailplane icing (horizontal stabilizer) during an approach, what should you do?
Use as low flaps as you can and no autopilot.
What happens to residual ice that remains after deice boots are inflated?
Residual ice increases with a decrease in airspeed or temperature.
On initial climb out, you encounter icing. What can you expect?
Ice will accumulate on the underside of the wings due to the high AOA
Recipe for thunderstorm
- moisture
- unstable air
- lifting action
With a warm front, where is the most critical area for wind sheer?
Before the warm front reaches the airport.
Height of tropopause—-jet stream
37000 feet
How fast is the jet stream
50 knots
