Chapter 1

Question 1

High Height center-upper air feature

Answer 1

areas within a column of air surrounded by lower heights, closed circulation, Blue H

Question 2

High pressure center-upper air feature

Answer 2

area surrounded by lower pressure, anticyclone as dome of high pressure.anticyclonic, flow is outward.

Question 3

low-level divergence

Answer 3

air diverges at highest pressure

Question 4

Low height centers-upper air feature

Answer 4

column of air surrounded by higher heights, air converges at lowest point and sinks, closed circulation pattern

Question 5

Low pressure center- surface feature

Answer 5

areas surrounded by higher pressure, cyclonic flow,

Question 6

Ridge Axis-upper air or surface feat

Answer 6

.open anticyclonic, jagged black line

Question 7

Trough- upper air or surface feat

Answer 7

open cyclonic, solid black line

Question 8

Air masses

Answer 8

large body of air with similar temp+moister char., flat terrain w/ uniform composition, winds must be light, if winds too strong air mass can’t form

Question 9

Maritime tropical(mT)

Answer 9

warm, moist

Question 10

Continental tropical(cT)

Answer 10

hot,dry

Question 11

Maritime polar(mP)

Answer 11

cool moist

Question 12

Continental polar(cP)

Answer 12

cold dry

Question 13

Continental artic(cA)

Answer 13

frigid dry

Question 14

Barotropic

Answer 14

Weather condition w/ little to no movement or temperature advection

Question 15

Artic High

Answer 15

cold core system, polar high made up of continental artic air mass, good weather

Question 16

Aleutian law

Answer 16

cold core system, subpolar low which forms between artic and polar front jets. poor weather

Question 17

Icelandic low

Answer 17

subpolar low which forms between artic and polar front jets. cold core system,poor weather

Question 18

Pacific higher

Answer 18

subtropical high consisting of a maritime tropical air mass, forms between subtropical jets and polar front, warm core system. hot humid weather

Question 19

Bermuda-Azores high

Answer 19

subtropical high which consists of maritime tropical air mass, warm core system hot humid weather

Question 20

Long-wave pattern

Answer 20

orientation of polar front jet between long-wave ridge and long-wave trough

Question 21

Long-wave ridge

Answer 21

poleward extension of maritime tropical air mass, move less then 4 lat degress per day

Question 22

Long-wave trough

Answer 22

equatorward extensions of continental artic air masses.

Question 23

Wavelength measured

Answer 23

from trough axis to trough axis or ridge axis to ridge axis

Question 24

Amplitude

Answer 24

measurement of wave extending from mean position to an extreme position

Question 25

Mean position

Answer 25

inflection points between ridges and troughs

Question 26

Inflection point

Answer 26

where flow changes from cyclonic to anticyclonic or vice versa

Question 27

Extreme

Answer 27

fartherst poleward(ridge) or equatorward(trough) position of long wave feature

Question 28

zonal

Answer 28

long-wave ridge or trough has small amplitude

Question 29

polar front jet

Answer 29

parallel to longitude lines

Question 30

Building a ridge req

Answer 30

Warm air advection is needed on west side of axis, causing increase in amplitude

Question 31

Cold air advection into west side of trough axix would result in

Answer 31

trough deepending, increase in amplitude

Question 32

Caa on weset side of ridge axis

Answer 32

ridge weakening decrease in amplitude

Question 33

Shall dome of cold air on surface

Answer 33

created by intense surface cooling

Question 34

Cut-off high

Answer 34

area of higher heights aloft,

Question 35

Omega high

Answer 35

pocket of warm air in upper levels thats not observed on surface

Question 36

Cut-off low

Answer 36

colder upper level low thats become displaced out of basic westerly flow and lies south of polar front jet

Question 37

how does cut-off low form

Answer 37

long-wave trough extends equatorward, polar front jet transport cold air south into trough