Bit Of Wverything Flashcards
ISO
Means equal
Isobar
Line of equal pressure
Isotherm
Line of equal temperature
Isoyet
Line of equal precipitation
Isoneph
Chart/map connecting points having the same amount of cloudiness over a given time
Katabatic winds
Wind going downhill
Anabatic winds
Opposite katabatic
Blows uphill
Conduction
Transfer of heat through direct contact between materials
Convenction
Transfer of heat through fluids, by the movement of fluids itself.
Warm air risings and sinking
Radiation
Transfer of heat and in the form of electromagnetic waves
Backing
Anti clockwise motion
Veering
Clockwise motion
Conduction
Hotter object -> cooler object via direct contact between convection
Convection
Heat rising/cool air sinking (vertical circulation)
Radiation
Hot object-> cooler object with no contact
Advection
-horizontal flow of air
What is QFE
Pressure at field elevation
What is the atmosphere made up of
78% nitrogen, 20% oxygen, 2% other
Squall lines are associated with
Frontal thunderstorm activity
L
Isotach meaning
A line connecting points of equal wind speed
Inter
Used for periods less than 30min
Tempo
Used for more that 30mins and less than 60mons
CAVOK
Nil significant weather expected
FM
Weather Conditions to rapidly change
BECMG
Prevailing weather conditions
METAR
Routinely report once every hour to half hourly
