Geography Chap 13 (Goh Cheng Leong + NCERT)

Chapter 13

WEATHER
Clouds classification:

1)High Cloud  (Ci= Cirrus)
a)Cirrus ↓


b)Cirrocummulus ↓
Globular mass forming ripple:


c)Cirrostratus ↓
Thin white sheet...sun or moon forms halo.



2)Medium Cloud:

a) Altocummulus ↓
Waves in blue sky.==fine weather



b)Altostratus ↓
Denser grayish cloud====watery look.....sun shines faintly



3)Low Cloud

a) Stratocummulus ↓
Wave more pronounce then Altocummulus.Rough Bumpy cloud....bright ans shaded part.


b)Stratus↓
appears= low ceiling of FOG.




c)Nimbostratus ↓
Dark and rainy===light drizzle==low visiblity



4) Cloud with great Verticle extent:
a)Cummulus ↓


b)Cumulonimbus ↓



Haze / Mist / Fog:

Haze=Dry inland continent= Low humidity (less then 75 %)= smoke+ dust blurrs
Mist=Dry inland continent= High Humidity ===cloud at ground level.

Fog=Coastal= High Humidity= very thick....surface more cooler.