Meteorology Flashcards
What is the equation to calculate the Relative Humidity?
RH = 100 - (5 x (T - DP))
Name the important pressure altitudes?
700hPa: 10,000ft
500hPa: 18,000ft
300hPa: 30,000ft
200hPa: 38,000ft
Equation for calculating the height interval corresponding to 1mb?
Height interval = (96 x T)/ pressure
Where T is in Kelvin and pressure is in hPa
What is characteristic of the Pamperos?
A marked advance of the cold air in South America
The tropical savannah climate is characteristic by?
One short rainy season in summer and long spell of drier arid conditions
What is the most common type of airframe icing?
Rime Ice - found in most clouds
Diameter of hail “GR”?
Greater than 5mm
Size and duration of microbursts?
Up to 5 minutes and 5km
Size and duration of macrobursts?
Greater than 5 minutes and 5km
Transparent, whitish cloud veil of fibrous (hair-like) or smooth appearance, totally or partly covering the sky, and generally producing halo phenomena
Cirrostratus (Cs)
Number of hurricanes or cyclones occurring in the Atlantic?
Less than 10
Number of hurricanes or cyclones occurring in NE Australia?
9
Number of hurricanes or cyclones occurring in N Australia (Darwin)?
2
Number of hurricanes or cyclones occurring in W Australia?
7
Number of hurricanes or cyclones occurring in S China Sea?
20-25