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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 08 September 2021 / 17 BHADRA 1943 (SAKA)

SUMMARY OF WEATHER Week’s Rainfall: Large Excess , Chennai, , , , , , , , , , , Pudukottai, , , Salem, Sivagangai, , Tirupathur, , , Tiruvarur and districts and Karaikal area. Excess , Nilgiris, and Tiruchirapalli districts and Puducherry. Normal , , Thenkasi, and Villupuram districts. Deficient , Kancheepuram, , , and districts. Large Deficient -----

No rain ----- CHIEF AMOUNTS OF RAINFALL (IN CM): 02.09.2021: Krishnagiri (dist Krishnagiri) 13, Kalasapakkam (dist Thiruvannamalai) 12, Pudukottai (dist ), Adirampatnam (dist Thanjavur) 8 each, (dist Tiruvannamalai) 7, Vattanam (dist Ramanathapuram), Thamaraipakkam (dist Tiruvallur), (dist Tiruvannamalai) 6 each, Tondi (dist Ramanathapuram), (dist Tiruvannamalai) 5 each, Uthangarai (dist Krishnagiri), Kamudhi (dist Ramanathapuram), Manjalaru (dist Thanjavur), Pattukottai (dist Thanjavur), Tiruvadanai (dist Ramanathapuram), Avalurpettai (dist Villupuram) 4 each, Dam (dist Vellore), Tirupathur Pto (dist ), Arani (dist Tiruvannamalai), Tiruvannamalai (dist Tiruvannamalai), Arantangi (dist Pudukkottai), Kovilankulam (dist Virudhunagar), Avudayarkoil (dist Pudukkottai), Kadaladi (dist Ramanathapuram), Aruppukottai (dist Virudhunagar), (dist ), (dist Sivaganga), Arimalam (dist Pudukkottai), Omalur (dist Salem), Annavasal (dist Pudukkottai), (dist Tirupattur), Thiruvidaimaruthur (dist Thanjavur) 3 each, Alangudi (dist Pudukkottai), Barur (dist Krishnagiri), Denkanikottai (dist Krishnagiri), Illayangudi (dist Sivaganga), Keelpennathur (dist Tiruvannamalai), Mimisal (dist Pudukkottai), Chittar (dist Kanyakumari), Tirupuvanam (dist Sivaganga), Karambakudi (dist Pudukkottai), Aws (dist Ranipet), Vadapudupattu (dist Tirupattur), (dist Vellore), (dist Tiruvarur), Uthukuli (dist Tiruppur), Sivaganga (dist Sivaganga), (dist Tirupattur), Valinokam (dist Ramanathapuram), (dist Thanjavur), (dist Madurai), Sathanur Dam (dist Tiruvannamalai), Pechiparai (dist Kanyakumari), Vaniaymbadi (dist Tirupattur), Manamadurai (dist Sivaganga),

1 (dist Tirupattur), Koratur (dist Tiruvallur) 2 each, R.S.Mangalam (dist Ramanathapuram), Perunchani Dam (dist Kanyakumari), Mudukulatur (dist Ramanathapuram), (dist Dharmapuri), Tirupattur (dist Tirupattur), Emeralad (dist Nilgiris), Pochampalli (dist Krishnagiri), Nedungal (dist Krishnagiri), Manamelkudi (dist Pudukkottai), Muthupet (dist Tiruvarur), Trichy Ap (dist Trichy), Avalanche (dist Nilgiris), Tiruttani PTO (dist Tiruvallur), (dist Krishnagiri), Thandarampettai (dist Tiruvannamalai), Penucondapuram (dist Krishnagiri), Orthanad (dist Thanjavur), Keeranur (dist Pudukkottai), Chettikulam (dist Perambalur), Thali (dist Krishnagiri), R.K.Pet (dist Tiruvallur), Nannilam (dist Tiruvarur), Suralacode (dist Kanyakumari), Palacode (dist Dharmapuri), Tirupathur (dist Sivaganga), (dist Dindigul), (dist Tiruvallur), Yercaud (dist Salem), (dist Trichy), Puthan Dam (dist Kanyakumari) 1 each. 03.09.2021: Yethapur (dist Salem) 13, Salem (dist Salem), Pattukottai (dist Thanjavur), Manamelkudi (dist Pudukkottai) 9 each, (dist Namakkal), Yercaud (dist Salem), Madukkur (dist Thanjavur) 8 each, Alangudi (dist Pudukkottai), Ponnamaravathi (dist Pudukkottai), Muthupet (dist Tiruvarur), Avudayarkoil (dist Pudukkottai), Danishpet (dist Salem), Tirumayam (dist Pudukkottai), (dist Trichy), Karur (dist Karur) 7 each, Pappireddipatti (dist Dharmapuri), Arimalam (dist Pudukkottai), Omalur (dist Salem), Perungalur (dist Pudukkottai), Ponmalai (dist Trichy), (dist Tiruvarur), Imti (dist Trichy), (dist Thanjavur) 6 each, Trichy Ap (dist Trichy), Ariyalur (dist Ariyalur), Trichy Town (dist Trichy), Valangaiman (dist Tiruvarur), Adirampatnam (dist Thanjavur), Sendurai (dist Ariyalur), K.Paramathi (dist Karur), (dist Salem), Bhuvanagiri (dist Cuddalore), Manjalaru (dist Thanjavur), Chengam (dist Tiruvannamalai), Pudukottai (dist Pudukkottai) 5 each, Uthukuli (dist Tiruppur), Thiruthuraipoondi (dist Tiruvarur), Thiruvidaimaruthur (dist Thanjavur), Krishnagiri (dist Krishnagiri), Natrampalli (dist Tirupattur), Ayyampettai (dist Thanjavur), Avinasi (dist Tiruppur), Virudachalam (dist Cuddalore), Thammampatty (dist Salem), Thanjai (dist Thanjavur), (dist Namakkal), Mangalapuram (dist Namakkal) 4 each, Marungapuri (dist Trichy), Budalur (dist Thanjavur), (dist Thanjavur), Barur (dist Krishnagiri), (dist Salem), Kodumudi (dist Erode), Thanjavur (dist Thanjavur), Mayiladuthurai (dist Mayiladuthurai), Palacode (dist Dharmapuri), (dist Tiruvarur), Puducherry (dist Puducherry), Vattanam (dist Ramanathapuram), (dist Nagapattinam), Chittampatti (dist Madurai), Kovilpatti (dist Trichy), Mayanur (dist Karur), Tiruttani (dist Tiruvallur), Mohanur (dist Namakkal), Sivaganga (dist Sivaganga), Kodavasal (dist Tiruvarur), (dist Trichy), Panchapatti (dist Karur), Annavasal (dist Pudukkottai), Dharmapuri Pto (dist Dharmapuri), Dindigul (dist Dindigul), Vallam (dist Thanjavur), Krishnarayapuram (dist Karur), Chettikulam (dist Perambalur), Pandavaiyar Head (dist Tiruvarur), Manalmedu (dist Mayiladuthurai), Denkanikottai (dist Krishnagiri), Devakottai (dist Sivaganga), Thirumanur (dist Ariyalur), Karambakudi (dist Pudukkottai), Tiruvaiyaru (dist Thanjavur), Thali (dist Krishnagiri), Erumapatti (dist Namakkal), Sendamangalam (dist Namakkal), (dist Coimbatore), AP Peelamedu (dist Coimbatore) 3 each,Vadapudupattu (dist Tirupattur), Arantangi (dist Pudukkottai), Naduvattam (dist Nilgiris), Harur (dist Dharmapuri), Bhavani (dist Erode), Orthanad (dist Thanjavur), Mimisal (dist Pudukkottai), Tirupathur (dist Sivaganga), Melalathur (dist Vellore), Vaniaymbadi (dist Tirupattur), Karaikal (dist Karaikal), Nedungal (dist Krishnagiri), Tirupathur PTO (dist Tirupattur), Vepur (dist Cuddalore), Keeranur (dist Pudukkottai), Chinnakalar (dist Coimbatore), Pennagaram (dist Dharmapuri), Karaikudi (dist Sivaganga), Tirukoilur (dist Kallakurichi), Grand (dist Thanjavur), Sholingur (dist Ranipet), (dist Cuddalore), Puduchatram (dist Namakkal), Katpadi (dist Vellore), Kodaikanal (dist Dindigul), Pochampalli (dist Krishnagiri), Vazhapadi (dist Salem), Ambur (dist Tirupattur), Natham (dist Dindigul), Illuppur (dist Pudukkottai), Kollidam (dist Mayiladuthurai), Jayamkondam (dist Ariyalur), Tiruppur (dist Tiruppur), (dist Coimbatore), Ammundi (dist Vellore), (dist Kallakurichi), Gandarvakottai (dist Pudukkottai), Chidambaram Aws (dist Cuddalore), Thanjavur PTO (dist

2 Thanjavur), Kumarapalayam (dist Namakkal), Veeraganoor (dist Salem), Alangayam (dist Tirupattur), Ramanathapuram (dist Ramanathapuram), Viralimalai (dist Pudukkottai), Cuddalore (dist Cuddalore), (dist Villupuram), Musiri (dist Trichy), Dharamapuri (dist Dharmapuri), (dist Trichy), Nagapattinam (dist Nagapattinam), Tirupattur (dist Tirupattur), Edapadi (dist Salem), Kadavur (dist Karur), (dist Madurai), (dist Vellore), Devala (dist Nilgiris) 2 each, Anjatti (dist Krishnagiri), Vathalai Anaicut (dist Trichy), Pulipatti (dist Madurai), Tirukattupalli (dist Thanjavur), Paramathivelur (dist Namakkal), Uthangarai (dist Krishnagiri), Namakkal (dist Namakkal), (dist Tiruppur), Pullambadi (dist Trichy), Tiruvadanai (dist Ramanathapuram), Pechiparai (dist Kanyakumari), Mettupatti (dist Madurai), Nannilam (dist Tiruvarur), Pelandurai (dist Cuddalore), K.M.Koil (dist Cuddalore), Tiruvarur (dist Tiruvarur), Palavidithi (dist Karur), (dist Cuddalore), Veppanthattai (dist Perambalur), Glenmorgan (dist Nilgiris), Virinjipuram Aws (dist Vellore), Tirupuvanam (dist Sivaganga), Taluk Office (dist Coimbatore), Sethiathope (dist Cuddalore), (dist Tiruvallur), Peraiyur (dist Madurai), Tondi (dist Ramanathapuram), Vellore (dist Vellore), Erode (dist Erode), (dist Cuddalore), Upper Bhavani (dist Nilgiris), Sirkali (dist Mayiladuthurai), Thalaignayer (dist Nagapattinam), Eraiyur (dist Perambalur), Vilupuram (dist Villupuram), Kallakurichi (dist Kallakurichi), Tirupoondi (dist Nagapattinam), Samayapuram (dist Trichy), Odanchatram (dist Dindigul), Thogamalai (dist Karur), Vanur (dist Villupuram), Aravakurichi (dist Karur), Hogenekal (dist Dharmapuri), Sholavandan (dist Madurai), Valparai PTO (dist Coimbatore), (dist Erode), (dist Tiruppur), (dist Karur), Thalavadi (dist Erode), Rayakottah (dist Krishnagiri), Bhavanisagar (dist Erode), Padalur (dist Perambalur), Perundurai (dist Erode), (dist Ramanathapuram), Tarangambadi (dist Mayiladuthurai), Kancheepuram (dist Kancheepuram), Uthagamandalam (dist Nilgiris), Thathiengrpet (dist Trichy), (dist Nilgiris), (dist Cuddalore), Perambalur (dist Perambalur), Thekkadi (dist Theni) 1 each.

04.09.2021: Yercaud (dist Salem) 13, Sathanur Dam (dist Tiruvannamalai), Illayangudi (dist Sivaganga), Yercaud AWS (dist Salem) 6 each, Hogenekal (dist Dharmapuri), Jayamkondam (dist Ariyalur), Pennagaram (dist Dharmapuri) 5 each, Manalmedu (dist Mayiladuthurai), Virudachalam (dist Cuddalore), Thiruvalangadu (dist Tiruvallur) 4 each, (dist Villupuram), Srimushnam (dist Cuddalore), Sankarapuram (dist Kallakurichi), Ponnai Dam (dist Vellore), (dist Tiruvallur), Kuppanatham (dist Cuddalore) 3 each, (dist Toothukudi), Kallakurichi (dist Kallakurichi), Mayiladuthurai (dist Mayiladuthurai), Sendurai (dist Ariyalur), Sirkali (dist Mayiladuthurai), Seegoor (dist Perambalur), (dist Ranipet), Pelandurai (dist Cuddalore), Kadambur (dist Toothukudi), (dist Tiruvallur), (dist Tiruvallur), K.M.Koil (dist Cuddalore), Tiruttani PTO (dist Tiruvallur), R.S.Mangalam (dist Ramanathapuram), Sankaridurg (dist Salem), Kollidam (dist Mayiladuthurai), Vadapudupattu (dist Tirupattur), Mettur (dist Salem), Sethiathope (dist Cuddalore) , Andimadam (dist Ariyalur), Me Mathur (dist Cuddalore), Thiyagadurgam (dist Kallakurichi), Moongilthuraipattu 9dist Kallakurichi), Kadambur (dist Toothukudi) 2 each, Vepur (dist Cuddalore), Maduranthagam (dist Chengalpattu), Arakonam (dist Ranipet), Uthangarai (dist Krishnagiri), Perunchani Dam (dist Kanyakumari), Peravurani (dist Thanjavur), Salem (dist Salem), Kalavai AWS (dist Ranipet), Arcot (dist Ranipet), Poondi (dist Tiruvallur), Wallajah (dist Ranipet), MGR Nagar (dist Chennai), Attur (dist Salem), Tiruttani (dist Tiruvallur), Harur (dist Dharmapuri), Mangalapuram (dist Namakkal), Tarangambadi (dist Mayiladuthurai), Denkanikottai (dist Krishnagiri), Vadipatti (dist Madurai), Virinjipuram AWS (dist Vellore), Ammundi (dist Vellore), Vellore (dist Vellore), Katpadi (dist Vellore), DGP Office (dist Chennai), Suralacode (dist Kanyakumari), Sholingur (dist Ranipet), Adirampatnam (dist Thanjavur), (dist Chennai), Puthan Dam (dist Kanyakumari) 1 each.

05.09.2021: Valparai PTO (dist Coimbatore), Peravurani (dist Thanjavur) 5 each, Chinnakalar

3 (dist Coimbatore), Alangudi (dist Pudukkottai) 4 each,Madukkur (dist Thanjavur), Kaveripakkam (dist Ranipet), Vellore (dist Vellore), Muthupet (dist Tiruvarur), Office (dist Coimbatore), Cheyyar (dist Tiruvannamalai), Maduranthagam (dist Chengalpattu), Paramakudi (dist Ramanathapuram) 3 each, Tirumayam (dist Pudukkottai), Vattanam (dist Ramanathapuram), Sholayar (dist Coimbatore), Thekkadi (dist Theni), Vadapudupattu (dist Tirupattur), Tiruvarur (dist Tiruvarur), (dist Tiruvannamalai), Ponnai Dam (dist Vellore), Pattukottai (dist Thanjavur), Gudalur (dist Theni), Thiruthuraipoondi (dist Tiruvarur), Arantangi (dist Pudukkottai), Virinjipuram AWS (dist Vellore), Arani (dist Tiruvannamalai), Arimalam (dist Pudukkottai), Madurai South (dist Madurai), Cheyyur (dist Chengalpattu), Melur (dist Madurai) 2 each, Kalavai AWS (dist Ranipet), Hosur (dist Krishnagiri), Airport Madurai (dist Madurai), Viraganur Dam (dist Madurai), Ambur (dist Tirupattur), Adirampatnam (dist Thanjavur), Erode (dist Erode), Shoolagiri (dist Krishnagiri), Tiruvallur (dist Tiruvallur), Ammundi (dist Vellore), Melalathur (dist Vellore), Katpadi (dist Vellore), Aruppukottai (dist Virudhunagar), Karambakudi (dist Pudukkottai), Chittampatti (dist Madurai), Mannargudi (dist Tiruvarur), Pulipatti (dist Madurai), Veerapandi (dist Theni), Yercaud (dist Salem), Uthiramerur (dist Kancheepuram), Vedaranyam (dist Nagapattinam), Pudukottai (dist Pudukkottai), Tiruchengode (dist Namakkal), Thiruchuzhi (dist Virudhunagar), Namakkal (dist Namakkal), Kariyapatti (dist Virudhunagar), Thalaignayer (dist Nagapattinam), (dist Theni), Chengam (dist Tiruvannamalai), Ponnamaravathi (dist Pudukkottai), DGP Office (dist Chennai), Natrampalli (dist Tirupattur), Illayangudi (dist Sivaganga), Tiruvadanai (dist Ramanathapuram), Thathiengrpet (dist Trichy) 1 each,

06.09.2021: Chinnakalar (dist Coimbatore), Sendurai (dist Ariyalur) 7 each,Mahabalipuram (dist Chengalpattu) 6,Salem (dist Salem), Sendamangalam (dist Namakkal), Vedaranyam (dist Nagapattinam) 5 each, Erode (dist Erode), Bhuvanagiri (dist Cuddalore), Vepur (dist Cuddalore), Valparai PTO (dist Coimbatore), Denkanikottai (dist Krishnagiri), Valparai Taluk Office (dist Coimbatore), Parangipettai (dist Cuddalore), Marakkanam (dist Villupuram), Sholayar (dist Coimbatore), K.m.koil (dist Cuddalore) 4 each,Jayamkondam (dist Ariyalur), Tirupoondi (dist Nagapattinam), Taramani ARG (dist Chennai), Danishpet (dist Salem), Maduranthagam (dist Chengalpattu), Sankarapuram (dist Kallakurichi), Sirkali (dist Mayiladuthurai), Devala (dist Nilgiris), Agaram Seegoor (dist Perambalur), Chidambaram (dist Cuddalore), Sethiathope (dist Cuddalore), Sankaridurg (dist Salem), Tozhudur (dist Cuddalore), Omalur (dist Salem), Pechiparai (dist Kanyakumari), (dist Coimbatore), Avalanche (dist Nilgiris), Namakkal (dist Namakkal) 3 each, Chennai AP (dist Chennai), Annavasal (dist Pudukkottai), Naduvattam (dist Nilgiris), Labbaikudikadu (dist Perambalur), Pallipattu (dist Tiruvallur), Chidambaram AWS (dist Cuddalore), Chittar (dist Kanyakumari), DGP Office (dist Chennai), Chengam (dist Tiruvannamalai), Marandahalli (dist Dharmapuri), Manamadurai (dist Sivaganga), Tiruchengode (dist Namakkal), Manalmedu (dist Mayiladuthurai), Upper Bhavani (dist Nilgiris), Anna Uty ARG (dist Chennai), Thali (dist Krishnagiri), Vanur (dist Villupuram), Polur (dist Tiruvannamalai), Thirupporur (dist Chengalpattu), Padalur (dist Perambalur), Srimushnam (dist Cuddalore), Chettikulam (dist Perambalur), Kollidam (dist Mayiladuthurai), Thekkadi (dist Theni), Edapadi (dist Salem), Perambalur (dist Perambalur), Nedungal (dist Krishnagiri), Mangalapuram (dist Namakkal), Yercaud (dist Salem) 2 each, Thirukoilur ARG (dist Kallakurichi), (dist Cuddalore), Wallajah (dist Ranipet), Tirupathur PTO (dist Tirupattur), Eraiyur (dist Perambalur), Erumapatti (dist Namakkal), Thuraiyur (dist Trichy), Puducherry (dist Puducherry), Penucondapuram (dist Krishnagiri), Periyar (dist Theni), Coonoor PTO (dist Nilgiris), Suralacode (dist Kanyakumari), Rayakottah (dist Krishnagiri), Ariyalur (dist Ariyalur), Pennagaram (dist Dharmapuri), Kurinjipadi (dist Cuddalore), Pappireddipatti (dist Dharmapuri), Kumarapalayam (dist Namakkal), Rasipuram (dist Namakkal), Natrampalli (dist Tirupattur), Perunchani Dam (dist Kanyakumari), Palacode (dist Dharmapuri), Ketti (dist Nilgiris), R.K.Pet (dist Tiruvallur), Vellore (dist Vellore), Pullambadi (dist Trichy), Anna University (dist Chennai), Pelandurai (dist

4 Cuddalore), Perundurai (dist Erode), Thammampatty (dist Salem), Bhavani (dist Erode), Coonoor (dist Nilgiris), Melalathur (dist Vellore), Aws (dist Cuddalore), Pochampalli (dist Krishnagiri), MGR Nagar (dist Chennai), Chembarabakkam (dist Tiruvallur), Tindivanam (dist Villupuram), Kuzhithurai (dist Kanyakumari), K Bridge (dist Nilgiris), Cheyyur (dist Chengalpattu), Kaveripakkam (dist Ranipet), Emeralad (dist Nilgiris), Gudalur (dist Theni), Mettur (dist Salem), Tirupattur (dist Tirupattur), Lalgudi (dist Trichy), Ambur (dist Tirupattur), Alangayam (dist Tirupattur), Barur (dist Krishnagiri), Puduchatram (dist Namakkal), Kallakurichi (dist Kallakurichi), Bhoothapandy (dist Kanyakumari), Madukkur (dist Thanjavur) 1 each.

07.09.2021: (dist Chennai), Ambathur (dist Tiruvallur) 4 each, Anna University (dist Chennai), Chennai(n) (dist Chennai), DGP Office (dist Chennai), Thiruvalangadu (dist Tiruvallur), Chinnakalar (dist Coimbatore), (dist Chennai), Valparai PTO (dist Coimbatore), Tiruvallur (dist Tiruvallur) (dist Chennai), Taluk office (dist Chennai), (dist Chennai), Chennai Collectorate (dist Chennai) 3 each, RSCL III Vallam (dist Villupuram), MGR Nagar (dist Chennai), (dist Villupuram), Poonamallee (dist Tiruvallur), Tiruttani (dist Tiruvallur), Naduvattam (dist Nilgiris), (dist Kancheepuram), Valparai Taluk Office (dist Coimbatore), Valparai PAP (dist Coimbatore), Satyabama Uty ARG (dist Chengalpattu), Arakonam (dist Ranipet), Sholayar (dist Coimbatore), Poondi (dist Tiruvallur), Anna Uty ARG (dist Chennai), Devala (dist Nilgiris), Cincona (dist Coimbatore), Kalasapakkam (dist Thiruvannamalai), Pandalur (dist Nilgiris) Ponnai Dam (dist Vellore) 2 each,Tindivanam (dist Villupuram), Pollachi (dist Coimbatore), Omalur (dist Salem), Chembarambakkam ARG (dist Tiruvallur), Salem (dist Salem), Koratur (dist Tiruvallur), G Bazar (dist Nilgiris), ARG (dist Tiruvallur), Periyar (dist Theni), Attur (dist Salem), Chennai AP (dist Chennai), Tiruttani PTO (dist Tiruvallur), Papanasam (dist Tirunelveli), Upper Bhavani (dist Nilgiris), Sholingur (dist Ranipet), Polur (dist Tiruvannamalai), (dist Chengalpattu), Thekkadi (dist Theni), Emeralad (dist Nilgiris) Sivalogam (dist Kanyakumari) (Ranipet), Upper Gudalur (dist Nilgiris) 1 each.

08.09.2021: Pandhalur (dist Nilgiris) 9, Devala (dist Nilgiris) 6, Avalanche (dist Nilgiris) 5, G Bazar (dist Nilgiris), Naduvattam (dist Nilgiris), Upper Gudalur (dist Nilgiris), Barwood Estate (dist Nilgiris) Braiyar estate (dist Nilgiris), Harisan estate(dist Nilgiris) 4 each,Upper Bhavani (dist Nilgiris) 2, Sholayar (dist Coimbatore), Yercaud (dist Salem), Valparai PTO (dist Coimbatore), Dharmapuri PTO (dist Dharmapuri), Glenmorgan (dist Nilgiris), Thekkadi (dist Theni), Periyar (dist Theni), Dharamapuri (dist Dharmapuri) 1 each. For the period from 01.06.2021 to 08.09.2021:

Large excess Karur, Perambalur, Theni and Thoothukudi districts.

Excess Ariyalur, Coimbatore, Cuddalore, Dharmapuri, Dindigul, Erode, Krishnagiri, Madurai, Mayiladuthurai, Nagapattinam, Namakkal, Nilgiris, Ranipet, Salem, Thanjavur, Tirunelveli, Tirupathur, Tiruppur, Tiruvallur, Tiruvannamalai, Tiruchirapalli, Vellore and Villupuram districts and Puducherry. Normal Chengalpattu, Chennai, Kallakurichi, Kancheepuram, Pudukottai, Ramanathapuram, Sivagangai, Thenkasi, Tiruvarur and Virudhunagar districts and Karaikal area. Deficient . Large ------Deficient No rain -----

5

Chief synoptic features and its associated weather: Southwest was vigorous over the state on 03rd and active 06th. A cyclonic circulation lay over West-Central and adjoining Southwest off South - North coast between 1.5 and 3.1 kilometres above mean sea level on 02nd and over Coastal Andhra Pradesh and neighbourhood between 1.5 and 4.5 kilometers above mean sea level on 03rd. A shear sone ran roughly along Latitude 10° N between 5.8 and 7.6 kilometers above mean sea level on 03rd, along Latitude 12° N between 5.8 and 7.6 kilometers above mean sea level on 04th and along Latitude 14° N between 5.8 and 7.6 kilometers above mean sea level on 05th. RAINFALL:

Rainfall occurred at many places over the state on 03rd and 06th, at a few places on 02nd, 04th, 05th and 07th and at one or two places on 08th during the week.

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

Date: 08.09.2021

6

RAINFALL STATEMENT Rainfall For the week ending Seasonal rainfall for the period 08.09.2021 from 01.06.2021 to 08.09.2021 Districts Actual Normal Departure Actual Normal Departure (mm) (mm) (%) (mm) (mm) (%) Ariyalur 84.6 26.5 219 367.9 275.5 34 Chengalpattu 28.5 24.5 16 324.7 349.9 -7 Chennai 46.9 23.7 98 426.1 358.9 19 Coimbatore 59.6 25.8 131 880.6 595.9 48 Cuddalore 51.2 23.7 116 344.8 256.6 34 Dharmapuri 56.0 29.7 89 338.8 261.8 29 Dindigul 16.7 25.6 -35 249.9 201.7 24 Erode 26.3 15.3 72 216.8 172.6 26 Kallakurichi 37.6 30.6 23 342.7 290.9 18 20.8 28.9 -28 404.4 365.3 11 Kanyakumari 18.0 21.4 -16 288.7 397.5 -27 Karaikal 31.1 17.2 81 204.3 218.4 -6 Karur 26.6 16.0 67 196.4 116.0 69

Krishnagiri 56.2 27.2 107 296.6 241.7 23

Madurai 19.4 26.8 -28 279.1 228.0 22 Mayiladuthurai 56.5 21.0 169 267.1 216.4 23 Nagapattinam 51.4 13.4 284 252.9 182.6 38 Namakkal 54.0 19.2 181 295.5 228.2 30 Nilgiris 52.6 37.1 42 986.5 746.8 32 Perambalur 35.1 21.9 60 379.0 191.1 98 Puducherry 46.9 32.8 43 353.1 291.0 21 Pudukottai 70.1 20.5 242 247.1 240.5 3 Ramanathapuram 31.2 7.1 340 102.6 88.2 16 Ranipet 46.9 25.3 85 468.2 350.2 34 Salem 83.2 27.8 199 421.3 298.2 41 Sivagangai 52.5 19.0 176 228.8 222.9 3 Thenkasi 5.0 5.9 -15 133.7 138.9 -4

Thanjavur 58.6 20.3 189 300.4 222.9 35

Theni 18.7 14.7 27 291.2 146.3 99 Tirunelveli 3.3 4.4 -26 90.5 63.2 43 Tirupathur 68.0 30.6 122 467.5 297.7 57 Tiruppur 20.4 10.5 94 125.1 91.2 37 Tiruvallur 30.8 30.1 2 497.5 355.5 40 Tiruvannamalai 58.5 32.4 81 446.4 325.4 37 Tiruvarur 52.9 19.6 170 229.9 214.9 7 Toothukudi 3.4 5.3 -35 66.6 39.3 69 Tiruchirapalli 34.9 23.2 50 279.0 178.8 56 Vellore 61.3 29.6 107 505.2 354.4 43 Villupuram 32.9 28.3 16 439.5 291.5 51 Virudhunagar 10.1 13.8 -27 130.5 119.4 9

Tamilnadu 39.6 21.4 85 318.2 242.9 31

Tamilnadu, Puducherry & Karaikal 39.6 21.5 84 318.1 243.0 31

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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