G

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  10TH  SEPTEMBER  2014 / 19TH   BHADRAPADA, 1936 (SAKA)

SUMMARY OF WEATHER

 

Week’s rainfall

Excess:            Chennai, Coimbatore, Kancheepuram, Nilgiris, Tiruvallur districts and Karaikal.

Normal:          Nagapattinam, Pudukkottai and Theni districts.

Deficient:        Cuddalore, Kanyakumari, Ramanathapuram, Salem, Sivaganga and Vellore districts.

Scanty:           Ariyalur, Dharmapuri, Dindigul, Erode, Krishnagiri, Madurai, Namakkal, Perambalur,  Thanjavur, Tirunelveli, Tiruppur,  Tiruvannamalai,

                      Tiruvarur,  Tiruchirapalli,  Villupuram, Virudhunagar districts and  Puducherry. 

No Rain:         Karur and Toothukudi  districts.

The chief amounts of rainfall recorded in centimeters are:

04/09/2014:Chembarabakkam (Tiruvallur Dist), Thamaraipakkam (Tiruvallur Dist) 7 each, Chennai Minambakkam 6, Chembarambakkam arg (Tiruvallur Dist), Illuppur (Pudukkottai Dist), Poonamallee (Tiruvallur Dist) 5 each, Anna University (Chennai Dist), Alangudi (Pudukkottai Dist), Sriperumbudur (Kancheepuram Dist) 4 each, Vellore, Vallam (Thanjavur Dist), Cholavaram (Tiruvallur Dist), Anna uty arg (Chennai Dist), Kolapakkam arg (Kancheepuram Dist), Poonamalle arg (Tiruvallur Dist), Sholingur (Vellore Dist), Valparai pto (Coimbatore Dist), Puzhal arg (Tiruvallur Dist), Chennai Nungambakkam, Ennore AWS (Tiruvallur Dist) 3 each, Chinnakalar (Coimbatore Dist), Ponneri (Tiruvallur Dist), DGP office (Chennai Dist), Marungapuri (Tiruchirapalli Dist), Wallajah (Vellore Dist), Kvk kattukuppam arg (Kancheepuram Dist), Red hills (Tiruvallur Dist), Colachel (Kanyakumari Dist), Satyabama uty arg (Kancheepuram Dist), R.K.Pet (Tiruvallur Dist), Mannargudi (Tiruvarur Dist), Tiruvallur arg (Tiruvallur Dist) 2 each, Madavaram AWS (Tiruvallur Dist), Alangayam (Vellore Dist), Pallipattu (Tiruvallur Dist), Virinjipuram   AWS (Vellore Dist), Tiruvallur, Tambaram (Kancheepuram Dist), Valparai taluk office (Coimbatore Dist), Kaveripakkam (Vellore Dist), Thuckalay (Kanyakumari Dist), Nagapattinam (Nagapattinam Dist), Kuzhithurai (Kanyakumari Dist) and Thanjavur  1 each. 

05/09/2014: Devala (Nilgiris Dist) 2, Tiruttani (Tiruvallur Dist), Thiruvalangadu (Tiruvallur Dist) and Sholingur (Vellore Dist) 1 each.

 

06/09/2014: Devala 11, Chengalpattu (Kancheepuram Dist) 8, Gandarvakottai (Pudukkottai Dist) 6, Kvk kattukuppam arg (Kancheepuram Dist) 5, Mahabalipuram (Kancheepuram Dist), Mayiladuthurai (Nagapattinam Dist), Gudalur Bazaar (Nilgiris Dist) 4 each, Kelambakkam (Kancheepuram Dist), Sirkali (Nagapattinam Dist), Chennai Nungambakkam, Uthiramerur (Kancheepuram Dist), Naduvattam (Nilgiris Dist), Tirumayam (Pudukkottai Dist), Tondi (Ramanathapuram Dist), Puzhal arg (Tiruvallur Dist), Kancheepuram, Tiruvadanai (Ramanathapuram Dist), Cholavaram (Tiruvallur Dist) 3 each, Sriperumbudur (Kancheepuram Dist), Alangudi (Pudukkottai Dist), Tirupathur (Sivaganga Dist), DGP office (Chennai Dist), Karaikal, Perungalur (Pudukkottai Dist), Devakottai (Sivaganga Dist), Red hills (Tiruvallur Dist), Pallipattu (Tiruvallur Dist), Kaveripakkam (Vellore Dist), Madavaram AWS (Tiruvallur Dist), Manamadurai (Sivaganga Dist), Chembarambakkam arg (Tiruvallur Dist), Anna University (Chennai Dist), Chennai Minambakkam, Chinnakalar, Valparai pto, Poondi (Tiruvallur Dist) 2 each, Poonamalle arg (Tiruvallur Dist), Kolapakkam arg (Kancheepuram Dist), Tambaram, Omalur (Salem Dist), Pattukottai (Thanjavur Dist), Valparai taluk office, Arakonam (Vellore Dist), Tarangambadi (Nagapattinam Dist), Thiruvalangadu (Tiruvallur Dist), Chembarabakkam (Tiruvallur Dist), Periyar (Theni Dist), K.M.Koil (Cuddalore Dist), Sholingur, Pudukkottai, Anna uty arg (Chennai Dist), Dindigul, Srimushnam (Cuddalore Dist), Anaikaranchatram, Karaikudi (Sivaganga Dist) and Thamaraipakkam (Tiruvallur Dist) 1 each.

 

07/09/2014: Devala, Naduvattam (Nilgiris Dist) 2 each, Chinnakalar, Valparai pto and Valparai taluk office 1 each.

 

08/09/2014: Chinnakalar, Thammampatty (Salem Dist), DGP office (Chennai Dist) 3 each, Cuddalore, Valparai pto (Coimbatore Dist), Naduvattam (Nilgiris Dist), Attur (Salem Dist), Chengalpattu (Kancheepuram Dist), Thamaraipakkam (Tiruvallur Dist), Melalathur (Vellore Dist) 2 each, Mahabalipuram (Kancheepuram Dist), Ennore AWS (Tiruvallur Dist), Devala, Mangalapuram (Namakkal Dist), Valparai taluk office, Kalavai AWS (Vellore Dist), Omalur (Salem Dist), Uthagamandalam AWS (Nilgiris Dist), Virinjipuram   AWS (Vellore Dist), Tozhudur (Cuddalore Dist), Gobichettipalayam (Erode Dist), Chennai Nungambakkam and Panruti (Cuddalore Dist) 1 each.

 

09/09/2014: Devala 8, Gudalur Bazaar 5, Chinnakalar,  Naduvattam 3 each, Valparai pto, Valparai taluk office 2 each and Uttamapalayam (Theni Dist) 1.

 

10/09/2014: Karaikal 4, Pechiparai (Kanyakumari Dist) 3, Chidambaram (Cuddalore Dist), Mangalapuram (Namakkal Dist), Kodumudi (Erode Dist), Chinnakalar and  Maduranthagam (Kancheepuram Dist) 1 each.

Season’s rainfall for the period from 01.06.2014 to 10.09.2014 

Excess:            Chennai, Coimbatore, Nilgiris, Perambalur, Theni and Tiruppur districts

Normal:          Cuddalore, Dindigul, Erode, Kancheepuram, Kanyakumari,  Nagapattinam,  Tiruvallur, Tiruvannamalai,  Tiruvarur, Vellore,  Villupuram  districts,

                       Karaikal   and Puducherry.

Deficient:       Ariyalur, Dharmapuri, Karur, Krishnagiri, Madurai, Namakkal, Pudukkotai, Ramanathapuram,  Salem, Sivaganga,  Thanjavur, Tirunelveli, Toothukudi,  Tiruchirapalli  and Virudhunagar districts.       

 

Chief synoptic features and its associated weather:          

            A low pressure area formed over North Bay off West Bengal-Odisha coast on 5th  with associated  upper air cyclonic circulation tilting southwestwards with height and extending  upto 7.6 Kilometres above sea level; it became well marked low and was seen over Northwest Bay and adjoining Odisha-West Bengal coast with associated upper air cyclonic circulation extending upto mid tropospheric level on 6th and moved westwards and was seen over Chhattisgarh and neighbourhood  on 7th.

 

Rainfall:  Rainfall occurred at a few places over the state on 06th and at isolated places on remaining days of the week.

 

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

College Road, Chennai 6.                                                                                    SCIENTIST ‘E’

Date: 11.09.2014                                                   for Deputy Director General of Meteorology 

 

                                                         RAINFALL STATEMENT

 

 

Rainfall for the week ending 

10th September 2014

Seasonal rainfall for the period from 01.06.2014  to 10.09.2014

Districts

Actual

(mm)

Normal (mm)

Departure (%)

Actual

(mm)

Normal

(mm)

Departure (%)

Ariyalur

1.5

28.9

-95

191.0

290.9

-34

Chennai

63.2

23.2

172

463.0

353.3

31

Coimbatore

19.8

7.4

168

638.0

131.7

384

Cuddalore

11.3

24.5

-54

274.8

286.6

-4

Dharmapuri

1.9

25.2

-92

201.5

266.1

-24

Dindigul

2.0

21.3

-91

181.0

197.8

-8

Erode

5.5

14.1

-61

161.6

144.7

12

Kancheepuram

46.4

33.4

39

348.3

386.8

-10

Kanyakumari

11.2

20.3

-45

385.0

401.9

-4

Karaikal

58.4

17.7

230

249.7

216.3

15

Karur

0.0

15.2

-100

91.7

131.5

-30

Krishnagiri

1.0

23.1

-96

190.8

262.4

-27

Madurai

0.9

26.1

-97

154.3

239.7

-36

Nagapattinam

18.3

22.0

-17

203.9

218.1

-7

Namakkal

4.5

19.5

-77

144.0

237.0

-39

Nilgiris

49.0

24.6

99

838.8

653.5

28

Perambalur

1.0

22.0

-95

239.1

194.7

23

Pudukottai

21.0

20.9

1

200.1

265.0

-24

Ramanathapuram

4.2

8.8

-52

42.6

102.8

-59

Salem

10.4

25.0

-58

243.5

317.4

-23

Sivaganga

11.6

18.7

-38

183.0

227.9

-20

Thanjavur

6.8

21.6

-68

186.1

236.5

-21

Theni

6.1

7.4

-18

256.2

100.1

156

Tirunelveli

1.4

4.2

-67

85.2

110.3

-23

Tiruppur

0.2

8.1

-97

120.5

93.0

30

Tiruvallur

41.7

25.0

67

337.4

352.2

-4

Tiruvannamalai

2.9

34.1

-92

288.8

346.9

-17

Tiruvarur

4.4

21.7

-80

221.7

221.2

0

Toothukudi

0.0

6.6

-100

29.8

47.8

-38

Tiruchirapalli

2.8

24.3

-88

95.9

193.2

-50

Vellore

17.6

28.6

-38

277.2

343.5

-19

Villupuram

0.9

27.9

-97

301.5

298.1

1

Virudhunagar

0.7

12.8

-94

100.4

126.9

-21

Puducherry

2.0

32.3

-94

295.3

302.6

-2

Tamilnadu

9.1

20.0

-54

222.8

232.5

-4

Tamilnadu and

Puducherry

9.2

20.0

-54

223.0

232.6

-4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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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