Jet stream North side»
Polar side(cold side)
Jet Stream South side»
Tropical side(warm side)
Heights of Cloud levels
CC 15000 35000 ft
AC 7000 15000 ft
SC 1500 7000 ft
The Approximate of inclined plan of warm and cold front?
warm 1/100—– —–1/150
cold 1/50 ————-1/80
TYPHOON:
Where is the fastest winds of the Storm in the northern and southern Hemisphere.
Through of low pressure
—–> Convergence with lifting
Ridge of high pressure
——> Divergence with subsidence ( descending air)
Opaque =
Rime Ice
Radiosonde measures (hPa):
Humidity
Air Temprature
Atmospheric Pressure
MWO meteorological watch offices =
Sigmet, Airmet
MO meteorological offices =
Aerodrome forecasts, Briefing documents
WAFC world area forecast centres=
Upper-air forecast
ALTITUDE VS PRESSURE:
5 000 ft = 4/5 of sea level pressure (80%)
8 000 ft = 3/4 of sea level pressure (75%)
18 000 ft = 1/2 of sea level pressure (50%)
36 000 ft = 1/4 of sea level pressure (25%)
IN WARM OCCLUSION
-> cold front aloft
IN COLD OCCLUSION
-> warm front aloft
Pressure is 50%
AT 18,000ft
Tropopause at Equartor, Mid latitude, Polar?
Equatorial regions, 50-60 000ft
Mid-latitude regions, 35-40 000ft
Polar-regions, 25-30 000ft
Density is 50%
AT 22,000ft
Blowing snow:
1-50m
Tropical Downpour:
Tens of metres
Heavy Snowfall:
50-200m
Heavy Snow Showers:
100m
Heavy Rain:
< 1000m