GOVERNMENT OF INDIA

BHARAT MAUSAM VIGYAN VIBHAG

INDIA METEOROLOGICAL DEPARTMENT

REGIONAL METEOROLOGICAL CENTRE, CHENNAI-600 006

WEEKLY WEATHER REPORT FOR TAMILNADU AND PUDUCHERRY FOR

THE WEEK ENDING  16TH  JULY  2014  / 25TH ASHADHA, 1936 (SAKA)

SUMMARY OF WEATHER

 

Week’s rainfall:

 

Excess:            Coimbatore, Nilgiris and Theni districts. 

Normal:          Kanyakumari, Tirunelveli, Tiruvallur districts and  Puducherry. 

Deficient:        Chennai, Erode, Kancheepuram, Krishnagiri, Tiruvannamalai, Vellore and  Villupuram districts.

Scanty:           Cuddalore, Dindigul, Madurai, Pudukkottai, Salem, Thanjavur, Tiruppur, Tiruvarur, Toothukudi, Tiruchirapalli and Virudhunagar districts.

No Rain:         Ariyalur, Dharmapuri, Karur, Nagapattinam, Namakkal, Perambalur, Ramanathapuram, Sivaganga districts and Karaikal. 

The Chief amounts of rainfall recorded in centimeters are:

10/07/2014: Chinnakalar (Coimbatore Dist) 9, Periyar (Theni Dist), Ponneri (Tiruvallur Dist) 6 each, Devala (Nilgiris Dist), Valparai pto (Coimbatore Dist) 5 each, Pallipattu (Tiruvallur Dist) 4, Naduvattam (Nilgiris Dist), Valparai taluk office (Coimbatore Dist), Gobichettipalayam (Erode Dist), Kuzhithurai (Kanyakumari Dist), Kancheepuram, Gudalur Bazaar (Nilgiris Dist) 3 each, Poondi (Tiruvallur Dist), Rayakottah (Krishnagiri Dist), Thuckalay (Kanyakumari Dist), Uthagamandalam AWS (Nilgiris Dist), Puzhal arg (Tiruvallur Dist), Gingee (Villupuram Dist), Chengam (Tiruvannamalai Dist), Tirupattur (Vellore Dist), Thiruvalangadu (Tiruvallur Dist), Sankaridurg (Salem Dist), Kvk kattukuppam arg (Kancheepuram Dist), Uttamapalayam (Theni Dist), Tiruvallur 2 each, Red hills (Tiruvallur Dist), Arakonam (Vellore Dist), Pochampalli (Krishnagiri Dist), Eraniel (Kanyakumari Dist), Ketti (Nilgiris Dist), Krishnagiri, Thamaraipakkam (Tiruvallur Dist), Mylam AWS (Villupuram Dist), Uthagamandalam (Nilgiris Dist), Chennai Nungambakkam, Chengalpattu (Kancheepuram Dist), Paiyur AWS (Krishnagiri Dist), R.K.Pet (Tiruvallur Dist), Chembarabakkam (Tiruvallur Dist), Hvf avadi arg (Tiruvallur Dist), Mahabalipuram (Kancheepuram Dist), Pechiparai (Kanyakumari Dist), Colachel (Kanyakumari Dist), Tirupathur pto (Vellore Dist), Gudalur (Theni Dist), Vanur (Villupuram Dist), DGP office (Chennai Dist) and Polur (Tiruvannamalai Dist) 1 each.

11/07/2014: Chinnakalar 12, Valparai taluk office, Pallipattu, Valparai pto 4 each, Periyar (Theni Dist), Vaniyambadi (Vellore Dist) 3 each, Devala, Papanasam (Tirunelveli Dist), Poonamallee (Tiruvallur Dist), Arani (Tiruvannamalai Dist), Chengam, Thiruvalangadu (Tiruvallur Dist), Yercaud (Salem Dist), Tiruttani (Tiruvallur Dist), Marakkanam (Villupuram Dist), Uthagamandalam AWS, Poondi (Tiruvallur Dist), Tindivanam   nicra (Villupuram Dist), Ambur (Vellore Dist), Pollachi (Coimbatore Dist), Tiruvallur, Vandavasi (Tiruvannamalai Dist) 2 each, Arakonam (Vellore Dist), Gingee, Hvf avadi arg (Tiruvallur Dist), R.K.Pet, Kaveripakkam (Vellore Dist), Tindivanam (Villupuram Dist), Cheyyar (Tiruvannamalai Dist), Kolapakkam arg (Kancheepuram Dist), Maduranthagam (Kancheepuram Dist), Chembarabakkam (Tiruvallur Dist), Chembarambakkam arg (Tiruvallur Dist), Melalathur (Vellore Dist), Uthiramerur (Kancheepuram Dist), Kancheepuram, Vellore, Alangayam (Vellore Dist), Gudalur Bazaar, Gudalur (Theni Dist), Polur (Tiruvannamalai Dist), Naduvattam (Nilgiris Dist), Sriperumbudur (Kancheepuram Dist), Chennai Nungambakkam, Chennai Meenambakkam, DGP office (Chennai Dist), Anna University (Chennai Dist), Shoolagiri (Krishnagiri Dist), Kundha Bridge (Nilgiris Dist), Virinjipuram   AWS (Vellore Dist), Gudiyatham (Vellore Dist) and Kuzhithurai  1 each.

 

12/07/2014: Chinnakalar, Valparai pto 2 each, Uthagamandalam AWS, Valparai taluk office, Poonamallee (Tiruvallur Dist), Periyar (Theni Dist), Thali (Krishnagiri Dist), Devala, Pallipattu (Tiruvallur Dist), Gudalur Bazaar, Poonamalle arg (Tiruvallur Dist) and Naduvattam (Nilgiris Dist) 1 each.

 

13/07/2014: Chinnakalar 13, Valparai pto 7, Valparai taluk office, Devala 6 each, Naduvattam, Gudalur Bazaar 5 each, Pollachi (Coimbatore Dist), Uthagamandalam AWS 3 each, Periyar (Theni Dist), Kundha Bridge (Nilgiris Dist) 2 each, Thali (Krishnagiri Dist), Uthagamandalam  and Ketti (Nilgiris Dist) 1 each.

 

14/07/2014: Chinnakalar 13, Naduvattam, Gudalur Bazaar, Devala 9 each, Valparai pto 7, Valparai taluk office, Periyar (Theni Dist) 4 each, Uthagamandalam AWS, Kundha Bridge 2 each, Pollachi, Ketti, Gudalur (Theni Dist) and Uthagamandalam 1 each.

 

15/07/2014: Chinnakalar 15, Valparai pto 9, Valparai taluk office 6, Devala 5, Gudalur Bazaar, Naduvattam 4 each, Periyar (Theni Dist) 3, Uthagamandalam AWS, Arantangi (Pudukkottai Dist) 2 each, Uttamapalayam (Theni Dist), Uthagamandalam, Kundha Bridge, Pollachi  and Gudalur (Theni Dist) 1 each.

 

16/07/2014: Chinnakalar 21, Valparai pto 10, Devala 7, Valparai taluk office 6, Periyar (Theni Dist) 4, Naduvattam, Gudalur Bazaar 3 each, Pechiparai (Kanyakumari Dist), Shencottah (Tirunelveli Dist) 2 each, Pollachi, Adirampatnam (Thanjavur Dist), Ketti, Thenkasi (Tirunelveli Dist), Papanasam (Tirunelveli Dist), Uthagamandalam, Sethiathope (Cuddalore Dist) and Coimbatore AWS (Coimbatore Dist) 1 each. 

Season’s rainfall for the period from 01.06.2014 to 16.07.2014: 

Excess:        Chennai, Coimbatore, Erode, Kancheepuram, Nagapattinam, Perambalur, Theni,  Tiruvallur Tiruvannamalai, Tiruvarur, Vellore, Villupuram districts, Karaikal and Puducherry.

Normal:       Ariyalur, Cuddalore,  Dharmapuri,  Krishnagiri, Namakkal, Nilgiris, Salem,   Thanjavur and Virudhunagar districts. 

Deficient:     Dindigul, Karur, Madurai,  Sivaganga Toothukudi and Tiruchirapalli districts.

Scanty:         Kanyakumari, Pudukkottai,  Tirunelveli and Tiruppur  districts.

No Rain:       Ramanathapuram district.

 

Chief synoptic features and its associated weather:       

 

            Under the influence of upper air cyclonic circulation over Northwest Bay and neighbourhood on 10th , a low pressure area formed over Northwest Bay off Odisha coast with associated upper air cyclonic circulation extended upto mid tropospheric level tilting southwestwards with height was seen from 11th to 14th  and it moved over land on 15th.

 

Rainfall:  Rainfall occurred at a few places over the State on 11th  and  at isolated places on rest days of the week.

 

 

 

Regional Meteorological Centre,                                                              (Dr. S.R.RAMANAN) 

College Road, Chennai-6.                                                                                   SCIENTIST ‘E’

Date: 18.07.2014                                                  for Deputy Director General of Meteorology 

 

 

                                                          RAINFALL STATEMENT

 

 

Rainfall for the week ending 

16th  July 2014

Seasonal rainfall for the period from 01.06.2014  to 16.07.2014

Districts

Actual

(mm)

Normal

(mm)

Departure (%)

Actual

(mm)

Normal

(mm)

Departure (%)

Ariyalur

0.0

14.4

-100

89.5

79.8

12

Chennai

18.2

28.8

-37

167.0

119.4

40

Coimbatore

90.7

9.5

854

218.4

57.7

278

Cuddalore

2.2

15.4

-85

81.1

79.9

1

Dharmapuri

0.0

16.9

-100

102.8

88.5

16

Dindigul

2.2

11.6

-81

43.5

67.6

-36

Erode

4.0

9.0

-55

61.6

46.2

33

Kancheepuram

14.0

27.4

-49

163.3

119.7

36

Kanyakumari

20.4

22.7

-10

72.6

252.1

-71

Karaikal

0.0

10.8

-100

157.7

71.7

120

Karur

0.0

9.2

-100

24.4

37.4

-35

Krishnagiri

10.4

16.2

-36

109.0

91.8

19

Madurai

1.1

14.9

-93

48.4

79.9

-39

Nagapattinam

0.0

13.2

-100

77.5

63.2

23

Namakkal

0.0

14.9

-100

69.3

74.4

-7

Nilgiris

121.7

53.2

129

263.3

309.9

-15

Perambalur

0.0

8.8

-100

71.1

50.9

40

Pudukottai

1.9

23.3

-92

32.6

86.2

-62

Ramanathapuram

0.0

5.2

-100

0.0

26.8

-100

Salem

4.4

21.0

-79

93.6

112.3

-17

Sivaganga

0.0

15.0

-100

32.8

73.9

-56

Thanjavur

1.3

14.2

-91

59.1

70.8

-16

Theni

38.8

5.7

582

80.5

37.5

115

Tirunelveli

8.6

7.5

15

18.8

59.7

-69

Tiruppur

1.9

6.0

-69

6.5

36.7

-82

Tiruvallur

28.9

26.2

10

150.6

124.5

21

Tiruvannamalai

16.1

21.3

-24

132.5

104.6

27

Tiruvarur

0.4

12.1

-97

121.8

61.6

98

Toothukudi

0.1

2.1

-96

9.8

12.6

-22

Tiruchirapalli

0.0

12.6

-99

26.6

56.6

-53

Vellore

15.8

21.8

-27

161.4

113.1

43

Villupuram

9.2

14.9

-38

130.2

81.0

61

Virudhunagar

0.3

7.9

-96

33.3

38.7

-14

Puducherry

10.3

11.6

-11

151.9

73.2

108

Tamilnadu

11.6

14.8

-22

82.2

78.9

4

Tamilnadu and

Puducherry

11.6

14.8

-22

82.5

78.9

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Excess: 20% or more,  Normal:   +19% to –19% , Deficient: -20% to –59%

Scanty: -60% to  -99%  and  No Rain:  -100 %  In calculation of excess, deficits

and their  percentage rainfall figures are taken to  0.1  mm.          

   (*) Rainfall less than 0.1 mm.

 

 

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