Weekly Weather Report - Tamilnadu & Puducherry

 

BHARAT SARKAR

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 20th  AUGUST 2008 / 29th SRAVANA 1930 SAKA

SUMMARY OF WEATHER

 

Week’s Rainfall :  

Excess: Chennai, Coimbatore, Dharmapuri, Dindigul, Erode, Kanchipuram, Karur, Krishnagiri, Madurai, Namakkal, Perambalur, Pudukottai, Ramanathapuram, Salem, Sivaganga, Thanjavur, Theni, Tiruvallur, Tiruvannamalai, Tiruvarur, Tiruchirapalli, Vellore, Villupuram and Virudhunagar districts.

 

Normal: Tirunelveli district and Puducherry.

 

Deficient: Cuddalore, Nagapattinam, Nilgiris and Tuticorin districts.

 

Scanty: Kanyakumari district.

 

Chief amounts of rainfall in centimeters :

14.08.08:) Chinna Kallar (Coimbatore 7, Orathanadu (Thanjavur0 6, Valparai 4, Naduvattam (Nilgiris), Arantangi and Karambakkudi (both Pudukottai) and Adiramapattinam 3 each, Devala (Nilgiris), Gandarvakottai and Thirumayam (both Pudukottai), Thiruvadanai (Ramanathapuram), Tondi, Peravurani (Thanjavur) and Mannargudi (Thiruvarur) 2 each and Kollidam (Nagapattinam), Nagapattinam, Gudalur Bazar (Nilgiris), Alangudi and Arimalam (both Pudukottai), Pudukottai, Karaikudi (Sivagangai), Periyar Dam (Theni) and Muthupet (Thiruvarur) 1 each.

 

15.08.08: Chinna Kallar (Coimbatore) and Chittampatti (Madurai) 6 each, Mettupatti (Madurai), Devakottai and Tirupuvanam (both Sivagangai) 5 each, Melur and Sholavandhan (both Madurai) and Illayankudi (Sivagangai) 4 each, Kamuthi (Ramanathapuram), Vazhapadi (Salem), Yercaud, Thirupathur (Sivagangai), Vaniyambadi and Ulundurpet (both Vellore) 3 each, Tiruppur (Coimbatore), Valparai, Madurai Airport, Vadipatti (Madurai), Naduvattam (Nilgiris), Manamadurai (Sivagangai), Periyar Dam (Theni) and Alangayam (Vellore) 2 each and Avinashi (Coimbatore), Natham (Dindigul), Hosur (Krishnagiri), Mangalapuram (Namakkal), Devala and Ketti (both Nilgiris), Karaikudi (Sivagangai), Sivagangai, Koodalur and Uthamapalayam (both Theni) and Ambur (Vellore) 1 each.

 

16.08.08: Tiruppuvanam (Sivagangai) 6, Thiruthuraipoondi (Thiruvarur) 5, Madurai Airport, R.S.Mangalam (Ramanathapuram), Dadukur (Thanjavur), Nannilam (Thiruvarur) and Ulundurpet (Villupuram) 3 each, Tondi, Pattukottai (Thanjavur) and Valangaiman (Thiruvarur) 2 each and  Chinna Kallar (Coimbatore), Coimbatore, Naduvattam (Nilgiris), Mudukulathur (Ramanathapuram), Sivagangai, Orathanadu, Thiruvidaimarughur (both Thanjavur) and Muthupet (Thiruvarur) 1 each.

 

17.08.08: Thanjavur 10, Muthupet (Thiruvarur) 6, Chittampatti (Madurai) and Yercaud 5 each, Jayamkondam (Perambalur), Perambalur and Valangaiman (Thiruvarur) 4 each, Mayiladuthurai (Nagapattinam), Rasipuram and Sendamangalam (both Namakkal), Salem, Kumbakonam and Thiruvidaimarudur (both Thanjavur),  Nannilam  (Thiruvarur)  and Virudhunagar  3 each,  Namakkal, Ariyalur (Perambalur), Thirukattupalli (Thanjavur) and Kodavasal (Thiruvarur) 2 each and Dharmapuri, Harur and Pappireddipatti (both Dharmapuri), Karur, Anchetty and Thalli (both Krishnagiri), Sholavandhan (Madurai), Paramathi and Thiruchengode (both Namakkal), Coonoor, Gandarvakottai and Thirumayam (both Pudukottai), Pudukottai, Papanasam and Thiruvaiyaru (both Thanjavur), Bodinayakanur (Theni), Pallipattu (Thiruvallur), Vaniyambadi (Vellore), Aruppukottai and Sivakasi (both Virudhunagar) 1 each.

 

18.08.08: Thirumayam (Pudukottai) and Vanur (Villupuram) 11 each, Hosur (Dharmpuri) and Sathanur Dam (Thiruvannamalai) 10 each, Pochampalli (Krishnagiri) 9, Namakkal, Grand Anaicut (Thanjavur), Villupuram and Sivakasi (Virudhunagar) 8 each, Paramathi (Namakkal), Polur (Thiruvannamalai), Alangayam (Vellore)and Gingee (Villupuram) 7 each, Uthirmerur (Kanchipuram), Talli (Krishnagiri), Sendamangalam (Namakkal), Keeranur (Pudukottai), Yercaud, Sivagangai, Chengam (Thiruvannamalai), Thiruvannamalai, Pullambadi (Thiruchirapalli), Thirupattur and Thirukoilur (Villupuram) 6 each, Sriperumbudur (Kanchipuram), Karur, Panchapatti (Karur), Barur and Uthangarai (both Krishnagiri), Perungalur (Pudukottai), Thirupuvanam (Sivagangai), Orathanadu and Thiruvaiyaru (both Thanjavur), Cheyyar (Thiruvannamalai), Marungapuri (Thiruchirapalli) and Kallakurichi (Villupuram) 5 each, Anchetty (Krishnagiri), Thirukattupalli (Thanjavur) and Sankarapuram (Villupuram) 4 each, Pappireddipatti (Dharmapuri), Perundurai (Erode), Kanchipuram, Madhuranthagam (Kanchipuram), Denkanikottai (Krishnagiri), Krishnagiri, Puducherry, Aranthangi (Pudukottai), Poondi (Thiruvallur), Arani and Vanthavasi (both Thiruvannamalai), Manaparai (Thiruchirapalli), Thiruchirapalli, Vaniyambadi (Vellore), Vellore, Tindivanam (Villupuram), Srivilliputhur and Watrap (both Virudhunagar) 3 each, Chennai, Thozhudur (Cuddalore), Dharmapuri, Chengalput (Kanchipuram), Aravakurichi and Kadavur (both Karur), Pennugondapuram and Rayakottai (both Krishnagiri), Chittampatti and Peraiyur (both Madurai), Thiruchengode (Namakkal), Ariyalur (Perambalur), Alangudi, Iluppur and Kandarvakottai (all Pudukottai), Pudukottai, Sankaridurg (Salem), Needamangalam and Thiruthuraipoondi (both Tiruvarur), Lalgudi and Musiri (both Thiruchirapalli), Thiruchirapalli Airport, Maniyatchi (Tuticorin) and Ulundurpet (Villupuram) 2 each and Virudhachalam (Cuddalore), Palacode (Dharmapuri), Dindigul, Erode, Chennai Airport, Tambaram, Karur Paramathi (Karur), Hosur and Sholagiri (both Krishnagiri), Madurai Airport, Melur, Sholavandan and Usilampatti (all Madurai), Arimalam and Karambakudi (both Pudukottai), Attur and Omalur (Salem), Salem, Papanasam (Thanjavur), Thanjavur, Periyar Dam (Theni), Red Hills (Thiruvallur), Nannilam (Thiruvarur), Samayapuram (Thiruchirapalli), Ambur, Gudiyatham, Melalathur, Sholingur and Walajapet (all Vellore), Rajapalayam and Thiruchuzhi (both Virudhunagar) and Virudhunagar 1 each.

 

19.08.08: Talli (Krishnagiri) and Peravurani (both Thanjavur) 9 each, Pattukkotai (Thanjavur) and Polur (Thiruvannamalai) 8 each, Madurai Airport, Salem and Vazhapadi (Salem) 6 each, Palacode (Dharmapuri), Hosur (Krushnagiri), Thirumangalam (Madurai), Aranthangi Pudukottai), Karaikudi (Sivagangai), Thiruthuraipoondi  (Thiruvarur),  Alangayam  (Vellore)  and  Thirupattur  5  each, Krishnagiri, Sholagiri (Krishnagiri), Yercaud, Thirupuvanam (Sivagangai) and Madukur (Thanjavur) 4 each, Dharmapuri, Barur (Krishnagiri), Peraiyur (Madurai), Mangalapuram (Namakkal), Palayamkottai and Srivilliputhur (Virudhunagar) 3 each, Harur and Pennagaram (Dharmapuri), Denkanikottai, Rayakottai and Uthangarai (all Krishnagiri), Keeranur (Pudukottai), Devakottai (Sivagangai), Arani    ( Thiruvannamalai),   Muthupet   (Thiruvarur),  Musiri   and  Samayapuram (both Thiruchirapalli), Vellore, Kallakurichi and Ulundurpet (both Villupuram) 2 each and Pappireddipatti (Dharmapuri), Pochampalli (Krishnagiri), Rasipuram (Namakkal), Coonoor, Ramanathapuram, Metur Dam (Salem), Sivagangai, Grand Anaicut (Thanjavur), Mannargudi (Thiruvarur) and Vaniyambadi (Vellore) 1 each.

 

20.08.08: Chennai and Poondi (Thiruvallur) 10 each, Red Hills (Thiruvallur) 9, Chennai Anna University, Avinashi (Coimbatore), Cholavaram (Thiruvallur) and Thirupattur 6 each, Thozhudur (Cuddalore), Uthiramerur (Kanchipuram), R.S.Mangalam (Ramanathapuram) and Vandavasi (Thiruvannamalai) 5 each, Chennai DGP’s office, Chennai Airport, Anchetty (Krishnagiri), Tiruchengode (Namakkal), Sankaridurg (Salem) and Pallipattu (Thiruvallur) 4 each, Kodaikanal, Bhavanisagar and Gobichettypalayam (both Erode), Kanchipuram, Tambaram, Talli and Uthangarai (both Krishnagiri), Gudalur Bazar (Nilgiris), Thirumayam (Pudukottai), Paramakudi (Ramanathapuram), Ponneri and Poonamallee (both Thiruvallur), Thiruvallur and Ambur (Vellore) 3 each, Chatrapatti (Dindigul), Maduranthagam (Kanchipuram), Denkanikottai, Pennugondapuram, Rayakottai and Sholagiri (all Krishnagiri), Rasipuram (Namakkal), Uthagamandalam, Vembavur (Perambalur), Kadaladi (Ramanathapuram), Cheyyar (Thiruvannamalai), Vaniyambadi (Vellore), Gingee and Ulundurpet (both Villupuram) 2 each and Chinna Kallar (Coimbatore), Krishnagiri, Sholavandan and Vadipatti (both Madurai), Ketti and Kothagiri (both Nilgiris), Illayankudi (Sivagangai), Madukur and Pattukottai (both Thanjavur), Tirutani, Alangayam and Arakonam (both Vellore) and Sivakasi (Virudhunagar) 1 each.

 

Season’s Rainfall for the period from 01.06.08 to 20.08.08 :

Excess: Coimbatore, Krishnagiri, Salem, Sivaganga, Theni, Tirunelveli and Tiruchirapalli districts.

 

Normal: Cuddalore, Dharmapuri, Dindigul, Erode, Kanyakumari,  Madurai, Namakkal, Nilgiris, Pudukottai, Ramanathapuram, Thanjavur,  Tiruvallur, Tiruvannamalai, Tiruvarur, Vellore, Villupuram  and Virudhunagar districts.

 

Deficient: Chennai, Kanchipuram, Karur, Nagapattinam, Perambalur and Tuticorin districts and Puducherry.

 

Chief synoptic features and its weather :  Last week’s trough on sea level chart from south coastal Andhrapradesh to south Tamilnadu across coastal Tamilnadu persisted on 14th, 15th, 18th to 20th. It was seen from coastal Andhrapradesh to south Tamilnadu across interior Tamilnadu on 16th and 17th. An upper air cyclonic circulation was seen over north Tamilnadu - Rayalaseema and neighborhood between 4.5 and 7.6 Kilometres above sea level on 14th. 

 

Rainfall :  Southwest monsoon was vigorous over the state on 18th. Rainfall occurred at many places over the state on 18th  August and at a few places over the state on 17th  and 20th August. Isolated rainfall occurred over the state on the remaining days of the week.

 

Regional Meteorological Centre,                                  Dr. S.R.RAMANAN 

6, College Road, Chennai-6.                                                 DIRECTOR 

Date:  22.08.2008.                                                     for Deputy Director

                                                                             General of Meteorology

 

                                                        

                  

RAINFALL STATEMENT

  

Rainfall for the week ending

20th AUGUST 2008

Seasonal rainfall for the period  from 01.06.08 to  20.08.08

Districts

Actual (mm)

Normal (mm)

Departure (%)

Actual (mm)

Normal (mm)

Departure (%)

Chennai

76.0

36.1

110

179.5

260.6

-31

Coimbatore

42.2

10.5

302

488.6

122.9

298

Cuddalore

12.9

22.0

-41

161.9

186.6

-13

Dharmapuri

69.3

15.9

336

197.1

165.5

19

Dindigul

14.1

11.3

25

126.6

111.7

13

Erode

15.1

11.4

32

86.1

89.8

-4

Kanchipuram

50.6

40.1

26

181.6

272.9

-33

Kanyakumari

0.3

19.8

-99

235.4

248.9

-5

Karur

22.0

10.9

102

78.2

101.4

-23

Krishnagiri

89.1

19.5

357

266.0

185.9

43

Madurai

63.0

21.2

197

158.6

133.5

19

Nagapattinam

12.9

17.3

-25

82.5

133.8

-38

Namakkal

71.0

18.2

290

168.2

154.2

9

Nilgiris

34.6

65.9

-48

819.2

835.3

-2

Perambalur

27.3

19.1

43

111.7

154.6

-28

Pudukottai

56.1

22.0

155

167.1

180.4

-7

Ramanathapuram

26.0

8.6

202

77.2

65.8

17

Salem

91.5

20.5

347

279.5

191.9

46

Sivaganga

82.4

17.6

368

221.4

152.0

46

Thanjavur

68.8

20.9

229

157.7

167.1

-6

Theni

13.1

8.0

64

185.0

65.1

184

Tirunelveli

5.5

5.4

2

74.3

55.7

33

Tiruvallur

58.6

31.2

88

263.2

260.2

1

Tiruvannamalai

80.5

25.2

219

246.7

231.1

7

Tiruvarur

59.0

19.2

207

138.9

152.0

-9

Tiruchirapalli

27.3

13.5

102

139.4

107.8

29

Tuticorin

2.3

3.3

-30

14.7

34.6

-58

Vellore

63.5

26.0

144

199.7

241.7

-17

Villupuram

74.7

26.4

183

192.6

215.6

-11

Virudhunagar

38.3

8.5

351

85.8

78.6

9

Puducherry

18.8

16.4

15

102.5

167.3

-39

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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