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Home , Ambasamudram, Ambur, Ariyalur, Aruppukkottai, Attur, Chengalpattu

இதிய அர GOVERNMENT OF இதிய வானிைல ஆ ைற INDIA METEOROLOGICAL மடல வானிைல ஆ ைமய DEPARTMENT 6, காி சாைல, ெசைன - 600006 Regional Meteorological Centre ெதாைலேபசி : 044- 28271951. No. 6, College Road, –600006

Phone: 044- 28271951.

WEEKLY WEATHER REPORT FOR TAMILNADU, PUDUCHERRY & FOR THE WEEK ENDING 29 September 2021 / 07 ASVINA 1943 (SAKA)

SUMMARY OF WEATHER Week’s Rainfall:

Large Excess , , , , Sivagangai and districts and Puducherry. Excess , , , Tiruvarur, Tiruchirapalli and Villupuram districts. Normal , , Nilgiris, Pudukottai, Salem, , Tirupathur, and districts. Deficient , , , , , Thenkasi, and districts. Large Chennai, , , , , Deficient , , and districts. No rain Karaikal area

CHIEF AMOUNTS OF RAINFALL (IN CM):

23.09.2021: (dist Madurai) 7, Tirupuvanam (dist ), Pulipatti (dist Madurai) 6 each, Aws (dist Ranipet), Tiruppur 5 each, Vembakottai (dist Virudhunagar), Salem (dist Salem) 4 each, Kallakurichi (dist Kallakurichi), (dist Salem), Vembakkam (dist Tiruvannamalai), Kariyapatti (dist Virudhunagar) 3 each, Aws (dist Toothukudi), Sivaganga (dist Sivaganga), Arakonam (dist Ranipet), (dist Nagapattinam), (dist Namakkal), Thandarampettai (dist Tiruvannamalai), Vaippar (dist Toothukudi), (dist Sivaganga), (dist Madurai), (dist Ramanathapuram) 2 each, Chittampatti (dist Madurai), (dist Tiruvallur), Virudhunagar (dist Virudhunagar), (dist Dharmapuri), Koratur (dist Tiruvallur), Kovilpatti (dist Toothukudi), Kovilankulam (dist Virudhunagar), (dist Namakkal), Maniyachi (dist Toothukudi), Kancheepuram (dist Kancheepuram), Illayangudi (dist Sivaganga), Tuticorin (dist Toothukudi), (dist Tiruvallur), (dist Chennai), Ponnai Dam (dist Vellore), Virudunagar Aws (dist Virudhunagar), (dist Tiruvallur), Poondi (dist Tiruvallur) 1 each.

24.09.2021: Tiruppur Collectrate (dist Tirrupur) 18,Yethapur (dist salem) 11, Sankaridurg (dist Salem), (dist Tiruvarur) 9 each, Chettikulam (dist Perambalur), Kottapattu (dist Thiruchirapalli) 8, Imti (dist Trichy), Aravakurichi (dist Karur), Tiruppur (dist Tiruppur) 7 each, Kallikudi (dist Madurai), (dist Salem) 6 each, Tirupathur (dist Sivaganga), Kariyapatti (dist Virudhunagar), Barur (dist

1 Krishnagiri), (dist Trichy), Jamunamarathur (dist Thiruvannamalai) 5 each, Gudalur Bazar (dist Nilgiris), Pulipatti (dist Madurai), Nedungal (dist Krishnagiri), Valangaiman (dist Tiruvarur), (dist Tiruvarur), Yercaud (dist Salem), Erumapatti (dist Namakkal), (dist Trichy), (dist ), Paiyur Aws (dist Krishnagiri), Upper Gudalur (dist Nilgiris) 4 each, Tirumayam (dist Pudukkottai), (dist Perambalur), (dist Trichy), (dist Virudhunagar), Illayangudi (dist Sivaganga), (dist Tirupattur), (dist Tirupattur), (dist Erode), Rasipuram (dist Namakkal), (dist Salem), Tiruchengode (dist Namakkal), Sivaganga (dist Sivaganga), Tirupathur PTO (dist Tirupattur), Tuticorin (dist Toothukudi), Pandavaiyar Head (dist Tiruvarur), Thogamalai (dist Karur), Manamadurai (dist Sivaganga) 3 each, Pudukottai (dist Pudukkottai), Perambalur (dist Perambalur), (dist Virudhunagar), (dist Madurai), (dist Tirupattur), Illuppur (dist Pudukkottai), Grand (dist Thanjavur), Kodavasal (dist Tiruvarur), (dist Toothukudi), Avinasi (dist Tiruppur), Vaippar (dist Toothukudi), (dist Erode), Mangalapuram (dist Namakkal), Annavasal (dist Pudukkottai), Panchapatti (dist Karur), Tirupuvanam (dist Sivaganga), Devala (dist Nilgiris), Salem (dist Salem), Vedanatham (dist Thoothukudi), Erode (dist Erode) 2 each, Marungapuri (dist Trichy), Tirumangalam (dist Madurai), Vadapudupattu (dist Tirupattur), (dist Thanjavur), Arani (dist Tiruvannamalai), Airport Madurai (dist Madurai), Trichy Town (dist Trichy), Kumarapalayam (dist Namakkal), Thiruvidaimaruthur (dist Thanjavur), (dist Dharmapuri), Coimbatore AWS (dist Coimbatore), Ottapadiram (dist Toothukudi), (dist Dindigul), (dist Madurai), Tiruvaiyaru (dist Thanjavur), Kovilpatti AWS (dist Toothukudi), (dist Nilgiris), Thoothukudi Port AWS (dist Toothukudi), Edapadi (dist Salem), Pennagaram (dist Dharmapuri), (dist Pudukkottai), Vaniaymbadi (dist Tirupattur) Braiyar Estate (dist Nilgiris) 1 each.

25.09.2021: (dist Sivaganga) 14, Manapparai (dist Trichy), Madurai South (dist Madurai), (dist Tirunelveli) 11 each, (dist Madurai), (dist Trichy) 10 each, (dist Karur) 8, Tirumangalam (dist Madurai) 7, Vathalai Anaicut (dist Trichy), Pto (dist Nilgiris), (dist Dindigul), Kadavur (dist Karur), (dist Erode), Vadipatti (dist Madurai), Karur (dist Karur), Avalanche (dist Nilgiris) 6 each, Palavidithi (dist Karur), Avinasi (dist Tiruppur), Mannargudi (dist Tiruvarur), Kayathar (dist Toothukudi), (dist Coimbatore), (dist Dindigul) 5 each, (dist Ariyalur), Trp Town (dist Trichy), Pto (dist Coimbatore), Chittampatti (dist Madurai), Cholavaram (dist Tiruvallur), Gobichettipalayam (dist Erode), Panchapatti (dist Karur), Pandavaiyar Head (dist Tiruvarur), Kovilpatti (dist Trichy), Pudukottai (dist Pudukkottai), (dist Tiruvarur), Emeralad (dist Nilgiris), Pulipatti (dist Madurai), Uthagamandalam (dist Nilgiris), (dist Erode) 4 each, Yercaud (dist Salem), Vepur (dist Cuddalore), Coonoor (dist Nilgiris), Sholavandan (dist Madurai), Chettikulam (dist Perambalur), Tallakulam (dist Madurai), Thammampatty (dist Salem), Naduvattam (dist Nilgiris), Ponmalai (dist Trichy), Annavasal (dist Pudukkottai), (dist Nilgiris), Periyar (dist Theni), K Bridge (dist Nilgiris), Ariyalur (dist Ariyalur), (dist Theni) 3 each, (dist Thanjavur), Kayathar Arg (dist Toothukudi), Gudalur (dist Theni), (dist Karur), Perambalur (dist Perambalur), (dist Trichy), Adirampatnam (dist Thanjavur), (dist Theni), Krishnarayapuram (dist Karur), Keeranur (dist Pudukkottai), Erumapatti (dist Namakkal), Viralimalai (dist Pudukkottai), Karambakudi (dist Pudukkottai), Lalgudi (dist Trichy), (dist Sivaganga), Mettupalayam (dist Coimbatore), Sholayar (dist Coimbatore), Tondi (dist Ramanathapuram), Tiruvadanai (dist Ramanathapuram), Samayapuram (dist Trichy), Thekkadi (dist Theni) 2 each, Kothagiri (dist Nilgiris), Dindigul (dist Dindigul), Thenparanadu (dist Trichy), Devala (dist Nilgiris), Pattukottai (dist Thanjavur), Marungapuri (dist Trichy), Upper Bhavani (dist Nilgiris), (dist Ariyalur), (dist Dindigul), Peelamedu Ap (dist Coimbatore), Kallikudi (dist Madurai), (dist Dindigul), Aravakurichi (dist Karur), Paramathivelur (dist Namakkal), Tiruppur (dist Tiruppur), (dist Tiruppur), (dist Ramanathapuram), Uttamapalayam (dist Theni), Pullambadi (dist Trichy), (dist Dharmapuri), (dist Virudhunagar), Valparai Taluk Office (dist Coimbatore) 1 each.

26.09.2021: (dist Villupuram) 13, AWS (dist Cuddalore) 8, (dist Cuddalore), Cuddalore (dist Cuddalore), Vadakuthu (dist Cuddalore), Kothavacherry (dist Cuddalore) 7 each, Wallajah (dist Ranipet), Puducherry (dist Puducherry) 6, (dist Vellore), Jamunamarathur (dist Thiruvannamalai) 6 each,

2 Sivaganga (dist Sivaganga), (dist Cuddalore), Ponnai Dam (dist Vellore), (dist Chengalpattu), Anandhapuram (dist Villupuram), Kedar (dist Villupuram) 5 each, Kalavai Aws (dist Ranipet), Virinjipuram Aws (dist Vellore), (dist Tiruvannamalai), (dist Cuddalore), Vadapudupattu (dist Tirupattur), Arani (dist Tiruvannamalai), Satyabama Uty Arg (dist Chengalpattu), (dist Tirupattur), Cheyyur (dist Chengalpattu), Sendurai (dist Ariyalur), Sethiathope (dist Cuddalore), Vembakkam (dist Tiruvannamalai), Arakonam (dist Ranipet), (dist Villupuram), Avalupettai (dist Villupuram), Mundiyampakkam (dist Villupuram) 4 each, Pallipattu (dist Tiruvallur), (dist Villupuram), Vilupuram (dist Villupuram), Vellore (dist Vellore), Ambur (dist Tirupattur), Ammundi (dist Vellore), (dist Chengalpattu), Arcot (dist Ranipet), Vanur (dist Villupuram), R.K.Pet (dist Tiruvallur), (dist Ranipet), (dist Tiruvannamalai), (dist Tiruvallur), (dist Kancheepuram), Kadavanur (dist Kallakuruchi), Thanigaimangalam (dist Madurai) 3 each, Thirukalukundram (dist Chengalpattu), Melalathur (dist Vellore), Sholingur (dist Ranipet), (dist Tiruvannamalai), Mannargudi (dist Tiruvarur), Poondi (dist Tiruvallur), (dist Thanjavur), Kancheepuram (dist Kancheepuram), Thirupporur (dist Chengalpattu), Keelpennathur (dist Tiruvannamalai), (dist Tiruvallur) 2 each, Devala (dist Nilgiris), (dist Vellore), Tiruttani PTO (dist Tiruvallur), Thirukoilur ARG (dist Kallakurichi), Devakottai (dist Sivaganga), Chennai Ap (dist Chennai), Alangayam (dist Tirupattur), Melur (dist Madurai), (dist Toothukudi), (dist Tiruvallur), Mahabalipuram (dist Chengalpattu), Ramanathapuram (dist Ramanathapuram), K. (dist Karur), (dist Cuddalore), Chinnakalar (dist Coimbatore), Bhuvanagiri (dist Cuddalore), (dist Villupuram), Veppanthattai (dist Perambalur), Jayamkondam (dist Ariyalur), Tiruvallur (dist Tiruvallur), Sholayar (dist Coimbatore), Chengalpattu (dist Chengalpattu), Seegoor (dist Perambalur) 1 each

27.09.2021: Kaliel (dist Kanyakumari) 17, Kuzhithurai (dist Kanyakumari), Pechiparai (dist Kanyakumari) 15 each, Suralacode (dist Kanyakumari) 14, (dist Kanyakumari) 13, Kanyakumari (dist Kanyakumari), (dist Kanyakumari) 12 each, Mylaudy (dist Kanyakumari) 11, (dist Kanyakumari) 9, Ponnamaravathi (dist Pudukkottai) 8, Chittar (dist Kanyakumari), Kannimar (dist Kanyakumari), Sivalogam (dist Kanyakumari) 7 each, Bhoothapandy (dist Kanyakumari) Valparai Pto (dist Coimbatore) 6 each, Yercaud (dist Salem), Cincona (dist Coimbatore), Kudimiyanmalai (dist Pudukottai) 5 each, Perunchani Dam (dist Kanyakumari), Puthan Dam (dist Kanyakumari), Periyar (dist Theni) 4 each, Chinnakalar (dist Coimbatore), (dist Kanyakumari), Annavasal (dist Pudukkottai), (dist Kanyakumari), Kadavanur (dist Kallakurichi), Sulangurichi (dist Kallakurichi) 3 each, Pappireddipatti (dist Dharmapuri), Pennagaram (dist Dharmapuri), Perungalur (dist Pudukkottai), Kovilpatti (dist Toothukudi), Ayikudi (dist ), (dist Kallakurichi), Pudukottai (dist Pudukkottai), Valparai Taluk Office (dist Coimbatore), Pulipatti (dist Madurai), Manlurpet (dist Kallakurichi), Kariyakoil dam (dist Salem), Anaimaduvu dam (dist Salem), Valaparai PAP (dist Coimbatore) 2 each, Sholayar (dist Coimbatore), Aruppukottai (dist Virudhunagar), Kovilpatti Aws (dist Toothukudi), Thenkasi (dist Tenkasi), (dist Tirunelveli), Hogenekal (dist Dharmapuri), Kallandri (dist Madurai) 1 each.

28.09.2021: Chinnakalar (dist Coimbatore) 13, Valparai Taluk Office (dist Coimbatore), Sholayar (dist Coimbatore), Valpari PAP (dist Coimbatre) 8 each,Cincona (dist Coimbatore) 7, Pandhalur (dist Nilgiris) 5, Valparai PTO (dist Coimbatore), Perunchani Dam (dist Kanyakumari), Puthan Dam (dist Kanyakumari) 4 each, Devala (dist Nilgiris), Salem (dist Salem), Avalanche (dist Nilgiris), Periyar (dist Theni), Sivalogam (dist Kanyakumari) 3 each, G Bazar (dist Nilgiris), Mangalapuram (dist Namakkal), Naduvattam (dist Nilgiris), Attur (dist Salem), (dist Thanjavur), Thekkadi (dist Theni), Chittar (dist Kanyakumari), Yercaud (dist Salem), Upper Gudalur (dist Nilgiris), Harisan Estate (dist Nilgiris) 2 each, Upper Bhavani (dist Nilgiris), Pechiparai (dist Kanyakumari), Vepur (dist Cuddalore), Kurinjipadi (dist Cuddalore), Edapadi (dist Salem), Vadakuthu (dist Cuddalore), Yethapur (dist Salem) 1 each.

29.09.2021: Pandhalur (dist Nilgiris) 5, Chinnakalar (dist Coimbatore), Mylaudy (dist Kanyakumari), Eraniel (dist Kanyakumari), Nagercoil (dist Kanyakumari), Pechiparai (dist Kanyakumari), Suralacode (dist Kanyakumari), Perunchani Dam (dist Kanyakumari), Kuzhithurai (dist Kanyakumari), Yercaud (dist Salem), Valparai Pto (dist

3 Coimbatore), Sholayar (dist Coimbatore), Cincona (dist Coimbatore), Puthan Dam (dist Kanyakumari), Sivalogam (dist Kanyakumari), Braiyar estate (dist Nilgiris), Harisan Estate (dist Nilgiris) 2 each, Chittar (dist Kanyakumari), Manalmedu (dist Mayiladuthurai), Devala (dist Nilgiris), Periyar (dist Theni), Colachel (dist Kanyakumari), Thuckalay (dist Kanyakumari), (dist Salem), Yethapur (dist Salem) 1 each.

For the period from 01.06.2021 to 29.09.2021:

Large excess .

Excess Coimbatore, Cuddalore, Karur, Nilgiris, Ranipet, Salem, Theni, Tirunelveli, Tirupathur, Tiruvallur, Tiruvannamalai, Thoothukudi, Tiruchirapalli, Vellore and Villupuram districts

Normal Ariyalur, Chengalpattu, Chennai, Dharmapuri, Dindigul, Erode, Kallakurichi, Kanchipuram, Kanyakumari, Krishnagiri, Madurai, Mayiladuthurai, Nagapattinam, Namakkal, Pudukottai, Ramanathapuram, Sivaganga, Thanjavur, Thenkasi, Tiruppur, Tiruvarur and Virudhunagar districts and Puducherry and Karaikal area. Deficient ----- Large ------Deficient No rain ------

Chief synoptic features and its associated weather:

A trough ran from Rayalaseema to Comorin area and extended upto 0.9 km above mean sea level on 23rd. A cyclonic circulation lay over south coastal and neighbourhood and seen between 1.5 and 2.1 km above mean sea level on 24th.

RAINFALL:

Rainfall occurred at a few places over the state from 24th to 26th and at one or two places on 23rd and from 27th to 29th during the week.

Dr.B. Geetha, SCIENTIST ‘D’ for Deputy Director General of Meteorology Regional Meteorological Centre, College Road, Chennai-6

Date: 29.09.2021

4 . RAINFALL STATEMENT Rainfall For the week ending Seasonal rainfall for the period 29.09.2021 from 01.06.2021 to 29.09.2021 Districts Actual Normal Departure Actual Normal Departure (mm) (mm) (%) (mm) (mm) (%) Ariyalur 32.7 33.8 -3 433.2 373.0 16 Chengalpattu 23.6 35.0 -33 384.3 447.7 -14

Chennai 3.8 37.2 -90 499.6 450.8 11

Coimbatore 60.8 33.2 83 1030.6 683.3 51

Cuddalore 29.4 35.0 -16 438.2 351.2 25

Dharmapuri 14.3 43.3 -67 369.8 386.1 -4 Dindigul 19.8 38.0 -48 304.8 304.8 0 Erode 26.6 33.8 -21 251.3 256.4 -2 Kallakurichi 16.8 35.8 -53 439.8 408.6 8 Kanchipuram 15.9 45.3 -65 516.2 475.2 9 Kanyakumari 108.8 33.3 227 426.0 485.9 -12 Karaikal 0.0 30.9 -100 263.7 306.0 -14 Karur 47.7 26.5 80 270.1 196.8 37 Krishnagiri 11.4 44.1 -74 375.2 369.7 1 Madurai 64.8 34.8 86 380.5 322.3 18

Mayiladuthurai 6.4 24.6 -74 331.8 294.5 13 Nagapattinam 4.9 27.4 -82 293.8 251.9 17 Namakkal 23.0 36.5 -37 332.1 333.2 0 Nilgiris 45.6 43.0 6 1109.7 869.7 28 Perambalur 33.6 25.4 32 468.7 275.9 70 Puducherry 63.8 35.3 81 447.7 387.5 16 Pudukottai 26.0 29.7 -12 312.2 327.3 -5 Ramanathapuram 6.5 20.6 -69 137.8 132.9 4 Ranipet 49.1 36.7 34 623.2 449.9 39 Salem 45.9 39.1 17 503.8 416.4 21 Sivagangai 72.1 30.2 139 314.3 299.4 5 Thenkasi 8.8 15.6 -44 156.9 175.0 -10 Thanjavur 11.0 32.3 -66 355.8 310.5 15 Theni 21.1 25.8 -18 326.8 212.7 54

Tirunelveli 19.9 13.0 53 122.6 89.2 37 Tirupathur 35.9 34.0 6 638.6 415.7 54 Tiruppur 22.7 23.4 -3 153.8 148.4 4 Tiruvallur 15.2 42.2 -64 552.4 454.6 22 Tiruvannamalai 27.9 36.4 -23 600.5 442.9 36 Tiruvarur 41.0 32.4 27 314.0 299.2 5 Toothukudi 15.3 9.2 66 90.9 62.8 45 Tiruchirapalli 45.8 32.8 40 351.4 274.0 28 Vellore 38.6 39.6 -3 626.5 474.2 32 Villupuram 41.9 32.9 27 517.3 390.0 33 Virudhunagar 18.9 24.7 -24 170.7 186.8 -9 Tamilnadu 30.2 31.9 -5 391.2 331.8 18 Tamilnadu, Puducherry & Karaikal 30.2 32.0 -6 391.2 331.9 18

Large Excess (LE): +60% and above Excess (E): +20% to 59% Normal (N): +19% to -19% Deficient (D): -20% to -59% Large deficient (LD): -60% to -99% No Rain: -100 %

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TAMILNADU DISTRICTS WEEK ENDING 29.09.2021

PERIOD ENDING 01.06.2021 TO 29.09.2021

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