Chapter 8.5 - Exam Review Flashcards
What is a Front/Frontal Zone?
The boundary between two air-masses with different temperatures.
Describe how a Cold Front is shown on an MSL MET chart?
A heavy line with barbs in the direction of movement.
When an observer, situated to the east of a Cold Front, observes the passage of that Front, what changes occur to the Wind, Temperature and Pressure?
- The wind will back from N, NE or NW to S or SW.
- Temperature will fall.
- Pressure will rise.
Describe briefly the likely turbulence at a Cold Front?
Turbulence may be moderate to severe, then decease to light in cold unstable air.
When an observer, situated to the south of a Warm Front, observes the passage of that Front, what changes occur to the Wind, Temperature, and Pressure?
- The wind will back from N or NE to N or NW.
- Temperature will rise.
- Pressure will fall.
Describe briefly the likely turbulence at a Warm Front?
Turbulence will be light to moderate and severe in thunderstorms.
What Cloud, Precipitation and Turbulence are associated with an Occluded Front?
- Cloud and Turbulence = Mixture of Warm and Cold.
- Precipitation = In the form of rain.
What is a squall line?
Line of thunderstorms of a fast-moving Cold Front.