A brief introduction of Clouds

1. SEMINAR PRESENT
ON
AN INTRODUCTION TO CLOUDS
PRESENTED BY – SUVAM DAS
Ph.D. STUDENT
OF
AcSIR
CENTRAL BUILDING RESEARCH INSTITUTE
ROORKEE

2. Contents
 What is Cloud ?
 Components of Cloud.
 Types of Cloud.
 Role of Clouds in Earth System.
 Some special type of Clouds.

3. Cloud
Clouds are aggregates of very light water droplets or
ice crystals which can float in the air.
Clouds forms, when warm air rises, swells and cools it.

4. Components of Cloud
Cloud
Hygroscopic
Nuclei
Water

5. WMO
Classification
Cloud
of
Cloud
High
Moderate
Low
8KM
4KM
Cirrus, Cirrocumulus,
Cirrostratus
Altostratus, Altocumulus,
Nimbostratus
Stratus, Cumulus, Stratocumulus,
Cumulonimbus

6. High Clouds (8-10 km)
Cirrus
Cirrocumulus
Cirrostratus

7. Middle Cloud (4-8 km)
Altostratus
Altocumulus
Nimbostratus

8. Low Clouds (2-4 km)
Stratus Cumulus
CumulonimbusStratocumulus

9. Role of Clouds in Our Earth System
Hydrological Cycle
Protects from UV radiation
Heat Balance (Atmosphere & Terrestrial)

10. Some Special Categories of
Cloud

11. Lenticular
Cloud

12. Mother of Pearl
Cloud

13. Cloud Contrails

15. Earthquake Cloud

16. Conclusion
Clouds are one of the unparallel dimensionless
natural phenomena that always beautifies Sky and
makes the sentense true “We are all living in the
best Planetary System in the Universe.”