Rahona
Ny rahona dia teten-drano na ranomandry hita maso, teten-drano mitsangeva eny amin' ny habakabaka. Voatazon' ny hery fanintoanan' ny tany ny rahona mba tsy handositra any amin' ny habakabaka. Ny nefôlôjia fandinihana rahona, dia ratsana hafan' ny toetrandro.

Filaharana

Lahatra A (rahona avo haambo : 5 - 15 km) 

 Ny cirrocumulus dia rahona misy any amin'ny haambona 5 - 12 km, tahaka ny rahona cumulus hafa. Ny «cumulus » dia midika hoe « convection ». Ny cirrocumulus dia teten-drano fa tsy ranomandry ohatra ny cirrus.
 Ny cirrus dia rahona tsy manome orana. Haambona 8 000 metatra.
 Ny cirrostratus dia rahona tsy manome orana tahaka ny cirrus. Haambo 6 000 metatra

Lahatra B (rahona anivo haambo : 5 - 8 km) 

 Altostratus
 Altocumulus

Lahatra C 

 Cumulus (Cu)
 Cumulus humilis
 Cumulus mediocris
 Stratocumulus (Sc)
 Nimbostratus (Ns)
 Stratus (St)

Lahatra D

Rahona hafa

Loko

Rahona sy toetr'andro

Fajiry hafa

Jereo koa 

 Rano
 Orana
 Varatra
 Zavona
 Erika
 Havandra
 Rambondanitra
 Oram-baratra
 Rahona
 Oram-panala
 Ando

Rohy ivelany

Miteny frantsay 
 Observation de nuages par Environnement Canada 
 Vidéo sur la formation des nuages
 Pourquoi les nuages ne tombent-ils pas? explication sur CultureSciences-Phyisque

Miteny anglisy 

 Australia Severe Weather: cloud classification system
 BadMeteorology's explanation of why clouds form
 Chitambo Clouds – Clouds and other meteorological phenomena  Photographs and info. on different types of clouds.
 Cloud and Weather Photography 
 Monthly maps of global cloud cover, from NASA's Earth Observatory
 Cloud Appreciation Society Aesthetics of clouds
 Clouds-Online.com Cloud Atlas with many photos and description of the different cloud genus
 A Planetary Order (Terrestrial Cloud Globe)
 Cloud Naming Lesson 
 Cloud photography
 Clouds - when the invisible reveals itself 
 Clouds Gallery - gallery of clouds (polish site)
 Free Pictures Clouds
 Shuttle Views the Earth: Clouds from Space
 Details of main clould types and sub types
 USA Today Understanding clouds and Fog