Seasons of india

3. ►Familiarize students with the terms, key
concepts and basic principles associated with
the climate of India.
►Provide them idea about the mechanism of
Indian monsoon.
►Study the climate of India through the
understanding and analysis of local climate.
►Explore the causative factor of the spatial
variations in the climate of the country.
►Understand and analyze the variation of climatic
phenomenon in the cycle of seasons.
►Make students aware of the change in climate
(global warming) at local level to understand it
at national and global level.
►Familiarize students with the terms, key
concepts and basic principles associated with
the climate of India.
►Provide them idea about the mechanism of
Indian monsoon.
►Study the climate of India through the
understanding and analysis of local climate.
►Explore the causative factor of the spatial
variations in the climate of the country.
►Understand and analyze the variation of climatic
phenomenon in the cycle of seasons.
►Make students aware of the change in climate
(global warming) at local level to understand it
at national and global level.

4. Variations In Climate
Varied land forms features

5. FACTORS AFFECTING INDIAN CLIMATE FACTORS AFFECTING INDIAN CLIMATE
•The Himalayan Mt.
•Surrounding Seas
•Distance from Sea
•Relief Features

6. Factors Affecting Climate of India
The Himalayas
•In winters act as a
barrier against the
bitterly cold winds
from the Arctic .
•In summer they trap
the monsoon winds
and bring rain to
India.

7. THE HIMALAYAS- CLIMATIC BARRIER
M
o
n
s
o
o
n

W
i
n
d
M
o
n
s
o
o
n

W
i
n
d
M
o
n
s
o
o
n

W
i
n
d
M
o
n
s
o
o
n

W
i
n
d
C
o
l
d

W
a
v
e
C
o
l
d

W
a
v
e
C
o
l
d

W
a
v
e
C
o
l
d

W
a
v
e

8. M
o
n
s o
o
n
W
in
d
M
o
n
s o
o
n
W
in
d
M
o
n
s o
o
n
W
in
d
Receives high
rainfall
Receives low
rainfall
RELIEF
W
e
s
t
e
r
n

G
h
a
t

M
t
.
Western slopes of
the Western Ghats
get very heavy
rain fall.
Places to the East
receive low rain
fall.

9. MUMBAI
CHENNAI
KOLKOTA
DELHI
SIMLA
DISTANCE FROM SEA
Coastal areas have moderate climate where as
Interior parts have extreme climate.
Coastal areas have moderate climate where as
Interior parts have extreme climate.

10. RHYTHM OF SEASONS RHYTHM OF SEASONS RNGLHo TDS -
COLD WEATHER- D- TDOEnHFNEMNNE
RETREATING MONSOON SNDHo TDS -
HOT WEATHERMNADSHo MDHFNEMNNE
SOUTH WEST MONSOON

11. ►It extends from December to
February.
► Average temperature in the
Northern Plains is between 10° C
and 15°C
►North India experiences intense
cold.
►.There is light rainfall during
winter.
►This is caused by Cyclonic
storms which originate from the
Mediterranean sea and Travel
towards India These winds are
WESTERN DISTURBANCE
►Occasional tropical cyclone visit
eastern coast in this season.
Winter Season
•They cause heavy snowfall in
the Himalayas and rain in the
plains.

12. Ganga
Delta
N
o
r
t
h
e
r
n

P
l
a
i
n
WIND DIRECTION- WINTER
Tropical cyclone

13. WINTER RAINFALL
RAINFALL DUE
TO WESTERN
DISTURBANCES
RAINFALL DUE
TO NORTH EAST
WIND

14. The Summer Season
 Summmer starts from April and
lasts till June.
Northern Plains record highest
temperature.
Deccan is comparatively cooler
The hot dry wind LOO blows
over Northern Plains.
Kalbaisakhi Occurs in West
Bengal and Assam.
Mango showers occur in
Karnataka and Kerala

15. SOUTH WEST MONSOON
SEASON
►It extends from June
to September.
►Intense heating in
north west India
creates low pressure
region.
►Low pressure attract
the wind from the
surrounding region.
►After having rains for
a few days sometime
monsoon fails to
occur for one or more
weeks is known as
break in the monsoon.
►It extends from June
to September.
►Intense heating in
north west India
creates low pressure
region.
►Low pressure attract
the wind from the
surrounding region.
►After having rains for
a few days sometime
monsoon fails to
occur for one or more
weeks is known as
break in the monsoon.
HIGH TEMPERATURE LOW PRESSURE

16. EQUATOR
MONSOON WIND
S
E

T
r
a
d
e
S
E

T
r
a
d
e
S
E

T
r
a
d
e
S
E

T
r
a
d
e
Arabian sea
Branch
Bay of Bengal
Branch

17. ONSET OF SW MONSOON
1
s t J u
n
e
5
t h J u
n
e
1
0
t h J u
n
e
1
5
th J
u
n
e
1
s
t J
u
ly
1
5
t h J u
ly

18. ►It extends from
October to November.
►In October the
temperature starts
dropping there is LOW
PRESSURE ZONE in
Northern India and
cannot attract
monsoon winds.
►The south -west
winds retreat
gradually.
►They blow from land to
sea.
►They do not cause any
rain except in
Tamilnadu.
►ure region shift from
northern parts of India
towards south.
►Owing to the conditions
of high temperature and
humidity, the weather
becomes rather
oppressive. This is
commonly known as the
‘October heat’
►It extends from
October to November.
►In October the
temperature starts
dropping there is LOW
PRESSURE ZONE in
Northern India and
cannot attract
monsoon winds.
►The south -west
winds retreat
gradually.
►They blow from land to
sea.
►They do not cause any
rain except in
Tamilnadu.
►ure region shift from
northern parts of India
towards south.
►Owing to the conditions
of high temperature and
humidity, the weather
becomes rather
oppressive. This is
commonly known as the
‘October heat’
RETREATING MONSOON SEASON
LOW PRESSURE

19. DISTRIBUTION OF RAINFALL
> 200cm
100-200cm
50-100 cm
< 50cm
►Broadly ,India
can be divided
into Four rainfall
regions
►Very heavy
rainfall
► heavy rainfall
► moderate
rainfall
► scanty rainfall

20. Very heavy rainfall
regions:more than 200cm
Of rain in a year.
•the Western Coastal
Plains
•The western slopes of
theWestern Ghats.
•Most of the northeastern
states.
Heavy rainfall regions
:between 100to 200cm
of rain in a year.
•The Ganga plains in
Bihar and West Bengal.
•The Himalayan region.
•The Northwestern part of
the Peninsular Plateau
•Parts of the Western
Ghats.
•The east coast and the
north east India

21. Moderate rainfall region:
Annual rainfall between 50—
100cm
•The upper Ganga plain
•Eastern Rajasthan
Punjab Haryana and
Soutern Kashmir
•Parts of the Deccan
Plateau –Karnataka,
Andhra Pradesh&
Tamilnadu.
Scanty rainfall region
lessthan 50 cm
•Western Rajasthan
Southern Punjab and
Northern Gujarat.
•Eastern slopes of the
Western Ghats.
•Northern Parts of
Kashmir.

22. HOT WEATHER SEASON
March 30
0
C
April 38
0
C
May 48
0
C

23. LOO
KALBAISAKHI
BARDOLI
CHHEERHA
MANGO
SHOWER
BLOSSOM
SHOWER
STORMS IN HOT WEATHER SEASON
FAQFAQ
Rhythm of SeasonsRhythm of Seasons

24. TEMPERATURE- JULY
20
0
C
25
0
C
30
0
C
2
0
0
C
30
0
C
2
5
0
C
3
0
0
C

25. CLIMATE CHANGE & INDIA
►India has long coast line
and rise of sea level will
submerge large area.
►A population of 7.1
million living in coastal
areas will be affected.
►Production of crops like
wheat, rice etc will
decrease.
►The natural disasters
like cyclone, floods and
drought will increase in
frequency as well as
intensity.
►India has long coast line
and rise of sea level will
submerge large area.
►A population of 7.1
million living in coastal
areas will be affected.
►Production of crops like
wheat, rice etc will
decrease.
►The natural disasters
like cyclone, floods and
drought will increase in
frequency as well as
intensity.
MUMBAI
CHENNAI
KOLKOTA

32. Let’sEvaluate
•Mention the Three factors which affect India’s climate.
•Why are the Himalayas important in determinig India’s climate
•Give the four Major seaons of India.
•What are western disturbances in which area do they cause rain?
•Which months are known for the retreating monsoon?
•Which is the rain shadow area?
•Name the four rainfall regions.
•Which region receives the the least amount of rainfall.