278 thoughts on “Real Chennai summer to commence

  1. Its a tradegy.

    Keaweather received moderate to heavy rainfall and recorded 8.4 mm

    IMD which is less than 1 km away, records nil rainfall. Surely something is wrong.

    • where did you get this info from? The official figures are,

      IMD – nil
      nungambakkam AWS – 3,5 mm
      Kea AWS – 8.6 mm

      Not sure where this nungambakkam AWS is located, but at the time of the rain I was at egmore and 8.6 mm looked achievable.

      Not sure whats wrong with IMD rain guage. Maybe its under servicing.

  2. Hi all
    I’m back. I have a doubt , can anyone clarify this? Divergence and convergence is taking place over Chennai, what does this mean?… heavy thunderstorm activity? ❓

  3. I got the info by calling IMD Nungambakkam. The AWS is close to the manual rain gauge,just a few metres away

  4. The chief amounts of rainfall recorded in centimetres are:

    Tamil Nadu:

    Coonoor (Nilgiris Dist), Rasipuram (Namakkal Dist) and Yercaud (Salem Dist) 4 each, Sulur, Valparai taluk office and Periyanaickenpalayam (all Coimbatore Dist), Coonoor pto and Kundha bridge (both Nilgiris Dist)and Madavaram AWS (Tiruvallur Dist) 3 each, Chinnakalar, Coimbatore Airport, Pollachi and Coimbatore south (all Coimbatore Dist), Padalur (Perambalur Dist), Pennagaram (Dharmapuri Dist), Tirumangalam (Madurai Dist) and Mannargudi (Tiruvarur Dist) 2 each and Sankaridurg (Salem Dist), Valparai pto (Coimbatore Dist), Avinasi and Tiruppur (both Tiruppur Dist), Sivakasi (Virudhunagar Dist), Palacode (Dharmapuri Dist), Mangalapuram (Namakkal Dist), Usilampatti (Madurai Dist), Dindigul (Dindigul Dist), Tiruchengode (Namakkal Dist), Perundurai (Erode Dist), Tirupathur pto (Vellore Dist) and Tondi (Ramanathapuram Dist) 1 each.

    Dabka (Bidar dt) 7, Savanur (Haveri dt) and Chitradurga 5 each, Shiggaon (Haveri dt), Haveri APMC, and Lakshmeswar (Gadag dt) 4 each, Haveri, Kuknoor (Koppal dt), Badami (Bagalkote dt), Chitaguppa (Bidar dt), Kavital, Maski (both Raichur dt) and B Durga (Chitradurga dt) 3 each, Kundagol (Dharwad dt), Kaginele ARG (Haveri dt), Ron (Gadag dt), Guledgud (Bagalkote dt), Bagalkote AGRO, Kamalapur, Raddewadgi ARG, Yedrami (all Gulbarga dt), Gulbarga, Narayanpura (Yadgir dt), Deodurg, Mudgal (both Raichur dt), Panchanahalli (Chikmagalur dt), Srinivaspura (Kolar dt), Chintamani PTO and Kanakapura (Ramanagara dt) 2 each and Sirsi AGRO (Uttara Kannada dt), Hanagal (Haveri dt), Bellati, Shirahatti (both Gadag dt), Tavaragere (Koppal dt), Muddebihal (Bijapur dt), Alland, Chittapur, Kalgi, Nalwar, Sulepet (all Gulbarga dt), Gulbarga AWS, Bhimarayanagudi ARG (Yadgir dt), Anandapuram ARG (Shimoga dt), Malur (Kolar dt) and Santhebennur (Davangere dt) 1 each.

    Kerala: Konni (Pathinamthitta dt) and Kanjirapalli (Kottayam dt) 3,Chenganur (Alappuzha dt) and Ottapalam (Palakkad dt) 2 each and Kuppady (Wayanad dt) 1.

    Andhra Pradesh:
    Venkatagirikota (dist Chittoor) 3, Polavaram (dist West Godavari), Vuyyuru(a) (dist Krishna) and Nandyal (dist Kurnool) 2 each, Atmakur (dist Kurnool), Peddapuram and Rajahmundry (both dist East Godavari), Therlam (dist Vizianagaram), Palakonda (dist Srikakulam), Narsipatnam (dist Vishakhapatnam), Mahbubnagar (dist Mahbubnagar), Bhadrachalam (dist Khammam) and Chevella (dist Rangareddy) 1 each.

    • tstorms continously forming from evening just west of b’lore about 20-30km..here its clear and i can see clear moon on one side and continous lightning flashes on other…unbeliveable

  5. Monsoon winds making their way twrds indian subcontinent… South and s.east ind ocean Winds seen crossing the equator and marching twrds the southern part of bay of bengal.. But Still the situation in sw ind ocean has to improve…

  6. Dear bloggers..

    We are more enthusiastic in knowing and sharing rain and other weather climatic informations among us and with everyone…in same time, we must remember following too..

    Harvesting rain water-harnessing life
    Catch the water-where it drops
    Care for ground water before it becomes rare….

    I could visit my native last month.(Bhavani,Anthiyur,Erode Dt)

    As ground water level has already gone below 800-900 ft there,common man is struggling very much for drinking water for them and their cattle.

    Some water is flowing from Mettur Dam (less than 10 MLD and again it is a mixer of dyes ,tannery – industrial waste& more sewage)is flowing in the River Cauvery & and stagnant water in the River Bhavani..

    [ If this is the case for immediate down stream of Mettur Dam & Bhavani Sagar,we could not imagine for rest of the place like Trichy ,Tanjore etc..]

    Drinking water is obtained from that pools only…No other way to drink.But most of the villages have govt.made water pipeline connection from River(worst case panchayat has borewells).

    Also we could observe wild animals like elephants and bisons were roaming in village fields for drinking water and their grub..

    But last week summer rains in that area gave temporary relaxation so that some water storage at pools and surface water level got charged to some extend..

    Rain water harvesting is much needed there (in Villages too like Chennai) . So I was requesting my relatives and friends to have any of one rain water harvesting system there.(infact for my home too)

    We everyone (all Kea bloggers) must contribute something to this kind of harvesting..and we can followup and get it done for at least one home.

    We expect some drives on this from Kea…

  7. IMD will issue the first stage long range forecast for the 2013 southwest monsoon season rainfall for the country as a whole at a press conference to be addressed by Shri Jaipal Sudini Reddy ji, Hon’ble Union Minister for Science & Technology and Earth Sciences. The press Conference will be held on 26th April 2013 at 1600 hrs IST at Arnav Hall, 3rd Floor, Prithvi Bhawan, Lodhi Road (opposite India Habitat Centre Gate no. 2), New Delhi-110003.

  8. yes ashwin.. i too witnessed it..its raining almost daily during early hours. mostly it will be isolated and it wud b in between 3-5am. anyway it wont spoil my sleep…passing clouds will dump some drops

  9. South-west monsoon to be “satisfactory”:Thomas
    Monsoon rains in Kerala, Karnataka and Tamil Nadu may be delayed or could be less than the normal level, said Food Minister K.V. Thomas

    South-west monsoon rains are expected to be “satisfactory” barring some states in South India, Food Minister K.V. Thomas on Friday said ahead of an official forecast later in the day.

    “We have an assessment of monsoon. Monsoon will be quite satisfactory in India except the southern tip —— Kerala, Karnataka and Tamil Nadu,” Food Minister K V Thomas told reporters on the sidelines of an event here.

    Monsoon rains in these southern states may be delayed or could be less than the normal level, he said.

    Last week, Agriculture Minister Sharad Pawar had said India Meteorological Department was expecting normal monsoon.

    Even forecast from private firm Skymet noted normal rains.

    The first monsoon forecast for the June—September period of this year will be officially released later in the day.

    South—west monsoon begins from June, when sowing of Kharif (summer) crops like paddy are undertaken.

    Noting that normal monsoon rains augurs well for the country’s agri—sector, Mr. Thomas said: “Our food production will be comfortably good in the coming year. Wheat production will be as it was in the last year and not less than that.”

    Food production in 2012—13 crop year (July—June) is estimated to touch 250.14 million tonnes, of which wheat is expected to be 92.30 million tonnes.

    On foodgrains storage situation, Mr. Thomas said all arrangement for procurement of wheat and even storage has been made ahead of monsoon rains.

    This year’s monsoon is crucial for Maharasthra, Karnataka and Gujarat, which are facing worst drought.

    Monsoon rains are crucial for the agriculture sector, which contributes about 15 per cent to the country’s GDP, as only 40 per cent of the total cultivable area is under irrigation.

    Keywords: south west monsoon, Kharif sowing, agriculture, monsoon predicationhttp://www.thehindu.com/news/national/southwest-monsoon-to-be-satisfactorythomas/article4656958.ece

  10. Rainfall in Tamilnadu ending 8:30 am today (all in centimetres)

    Mettupatti (Madurai Dist) 5, Devala (Nilgiris Dist), Bhoothapandy (Kanyakumari Dist), Paramathivelur (Namakkal Dist) and Madurai south (Madurai Dist) 3 each,

    Eraniel and Thuckalay (both Kanyakumari Dist) 2 each and Ariyalur (Ariyalur Dist), Uttamapalayam (Theni Dist), Colachel (Kanyakumari Dist), Valparai taluk office (Coimbatore Dist), Naduvattam and Ketti (both Nilgiris Dist), Paramakudi (Ramanathapuram Dist), Sulur and Mettupalayam (both Coimbatore Dist)and Avinasi (Tiruppur Dist) 1 each

  11. Weather updates for Kanyakumari Dt.
    Weather channel predicts light to moderate rain or TS for another 10 days from tonight

  12. Monsoon to be
    normal this year,
    govt says
    Rainfall is expected
    to be 98% of the
    long-term average
    during the June to
    September season,
    Union minister Jaipal
    Reddy said today.

  13. Just laughing at those people who predict that this monsoon will be normal. All it takes is a few thunderstorms hitting/missing for success or failure. You can NEVER predict SWM

  14. Widespread rain in Karnataka

    in mm ending 8.30 am on 26.04.2013

    I cant put the entire list so the cut off is 30 mm

    Kakhandaki – 134
    Gudura – 119
    Kyadagupp – 119
    Hirevaddatt – 89
    Kabbur- 83
    Katageri – 81
    Amingad – 77
    Arendur – 76
    Mamadapur – 74.5
    Dabka – 72
    Ukkund – 67
    Kaladagi – 66
    Soundatti – 66
    Ron – 66
    Hattimattur – 62
    Sampaje – 60
    Ayanur – 60
    Honnali – 57
    Masur – 56.5
    Hombal – 56
    Aralasurali – 55
    Kakkeri – 54
    Shikaripura – 52.8
    Jantlishirur – 50
    Kundargi – 50
    Gadag – 49
    Biligi – 49
    Hirekerur – 48
    Tekkalkote – 47
    Bankapur – 47
    Chikkodi – 46
    Hungund -45
    Zalki – 45
    Humchadakatte – 44
    Haveri APMC- 43
    Turvihal – 42.5
    Dombal – 42
    Sadalaga – 42
    Hulikatti – 42
    Ramdurga – 41.5
    Humchadakatte – 41
    Bableshwar – 41
    Mrugavadhe – 40
    Rabakavi – 40
    Bevur – 40
    Mundargi – 39
    Madabhavi – 39
    Badangod – 39
    Byadgi – 38
    Hanagal – 38
    Yelkundele – 38
    Byahatti – 37
    Almel – 37
    Bijapur – 36
    Bylawadigi – 36
    Haragavalli – 36
    Kodli – 36
    Kerur – 36
    Marconahalli – 35.5
    Kalinganahalli – 35.5
    Bellatti – 35
    Jamakhandi ARG – 35
    Haveri – 34
    Venkatagiri – 34
    Chitradurga – 34
    Chintaki – 34
    Almatti – 33
    T.Kushnoor – 33
    Hosanagar – 32
    Telsang – 32
    Beleri-Farm – 32
    Bachanki – 31
    Kumatagi – 30
    Guledgudd – 30
    Rattihalli – 30
    Lokapur – 30
    Hosaritti – 30
    Halasangi – 30
    Banavasi – 30
    Lakshmeswar – 30
    Almel – 30
    Jamakhandi – 30
    Bhagmandala – 30

  15. Since SE wind is strong, westerly winds are weakening, this is temporary.

    Since SE wind is strong, chennai is lesser in temparature.

    From 2nd week of May the wind will change to westerly winds. Then the heat wave will start, then chennai will start experiencing the real heat.

      • KEA,

        Let him learn, i also did lots of mistakes.

        Now i want you to open contests from 1st of May.


        1. Which date SWM onset.

        2. How much rainfall will Chennai get this season.

        Cut off date should be 10th May. Because by 15th May IMD will inform the date.

        Everytime the first onset would be in Andaman. The normal date is 17th May 2013, then lakshadweep by 22nd, then kerala on 25th May.

  16. IMD forecasts normal monsoon
    The India Meteorological Department on Friday forecast normal rainfall — at 98 per cent of the long period average of 89 cm, with a model error of plus or minus five per cent — during the coming south monsoon season. The forecast is for the country as a whole and for the entire season, which is from June to September.

    Announcing it at a press conference here, Union Science and Technology Minister Jaipal Reddy said monsoon forecast models showed that there was 46 per cent probability for the monsoon rainfall to be between 96 per cent and 104 per cent, and 27 per cent probability for it to be between 90 per cent and 96 per cent.

    The probability of the monsoon being deficient (below 90 per cent of LPA), above normal (104 to 110 per cent of LPA) or excessive (over 110 per cent of LPA) was very small, he said, and added: “It is most likely to be between 96 and 104 per cent.”

    Asked whether a negative Indian Ocean Dipole event, which could have an adverse impact on the monsoon, could develop in coming months, Ministry of Earth Sciences secretary Shailesh Nayak said international models forecast it would only be a weak event, reaching its maximum peak only in Autumn, and therefore was unlikely to affect monsoon.

    In any case the IMD, he said, would keep a close watch on the situation so that the government could take timely remedial measures just in case conditions hinting at a strong IOD event developed.

    As regards the phenomenon of El Nino, which can also disrupt the monsoon, Mr. Nayak said borderline El Nino conditions were observed between July and September.

    Subsequently, the situation returned to normal and is remaining so. Latest forecasts for various models show that the conditions are expected to remain normal in the coming months too till the end of the monsoon season.

    The monsoon forecast issued on Friday is based on a statistical model constructed with five parameters that have been historically found to have a bearing on Indian monsoon

  17. @kea,
    Temp to go above 36 from tomorrow.
    Accuweather has now changed its forecast. Temp in Chennai forecast to be in 38-40 for next 20 days !!!!Hope of showers only on may 10

    • There is no mention of onset dates. No mention of region wise forecast. Even within the regions that imd has separated there are huge variations. When will our met dept wakeup and look at other international orgs?? They have to surely raise their stds as more and more people have started looking in to it and it has more adverse impact on our economy and market

  18. @ Novak

    To be honest, i also seeing lots of unheared names in Karanataka which got super heavy rains till yesterday morning.

    many places have got rains ending 8.30 am today in Karnataka. I will get the updated list by 2.00 pm

    Some of them are

    Kokkada – 74
    Hanbal – 62
    Kerveshe – 62
    Uppinangady – 55
    Bindiganavole – 45
    Hunsur – 43
    Kalasa – 41
    Mudabidri – 34
    Dabbaedka – 32
    Kerekatte – 32
    Bilikere – 31
    Mulikar – 24
    Shravanabelgola – 22
    Hosakere – 20
    Teligi – 20

    • @Pradeep, At last one town name I can easily recall is Hansur , which is around 50kms from Mysore enrote to Madekeri of Coorg dist.Few weeks back I had gone to Madekeri and Thala Cauvery. There were no rains then and I can assume them to be areas surrounding Coorg dist or Mysore ..Btw Madekeri is a nice place to visit.

  19. Ganesh raja, yes the onset dates wer missing in the report… V hav to learn big things 4m other org .. BOM- AUSTRALIA meterology gives a big detailed report wen their monsoon approaches ..they also gives the range- number of cyclones hitting the coast ,amount of rainfall wrt to provinces… They wil b accurate and in fact predicting the track of a cyclone in their waters is the toughest n tricky task in the world wen compared to other basin,wer Tracking N.ind ocean cyclone is more simple than any other basin mostly it wil follow climatalogical track and area is smaller.. V wil get guidance 4m NOAA, jma n other agencies on all occassions but still V struggle for everything….

    • Sel,

      We need to develop 2 things,

      1. Technology
      2. Intelligence – to learn how to use it.

      During December there was a storm in Indian Ocean, australian meteorologists have predicted it’s course of movement for next 10 days accurately.

      After 10 days it has crossed SW coast of australia as per the forecast.

      When crossing it has weakened due to high wind shear. This was also reported.

  20. Dont expect IMD to inform the onset date, Now SE wind is going on, once it changes to westerly, IMD will watch for consistency and then they will announce the onset date.

    The normal onset date is 17th May 2013. First hit is Andaman islands.

    Onset of Kerala is 25th May 2013, for TN 01st June 2013.

  21. The trough from Rajasthan moved to East Uttar Pradesh extends till Tamil Nadu, which will change the course of wind from SE to Westerly.

    However the change may be expected only after 10 days.

  22. Scattered rain forecasts for TN in next 3 days.



    Light to moderate rain would occur at a few places over Vellore, Tiruvannamalai, Krishnagiri, Dharmapuri, Salem, Namakkal, Nilgiris, Tiruppur, Coimbatore, Erode, Karur, Tiruchirapalli, Ariyalur, Perambalur, Ramanathapuram, Tirunelveli, Toothukudi, Kanyakumari, Sivagangai, Virudhunagar, Theni, Dindigul and Madurai districts of Tamil Nadu and isolated light to moderate rain may also occur over remaining districts of Tamil Nadu and Puducherry.

  23. IMD forecast 2013 only talks about SW monsoon LPA..and indicates below normal rain for Tamilnadu,Kerala and South Karnataka.Why is it not talking about NE monsoon?.

  24. Senthil sir, retreating n.east is the post-monsoon season..imd wil give their report on it only during sep-oct… And also not big weightage would b given on it. Regional imd center chennai wil give importance for it..

    • thanks Selva.understand…But TN is most dependant on NE monsoon.So it might compensate the deficiency made by SW monsoon.But real thing is even if we receive normal rain this year,it would not fill our water beds or reservoir ..bcos of this year’s drought.So hope we should get some surplus this year..Also they have projected less rainfall for Cauvery catchment areas like Coorg…this gives more worries..anyway this is beyond anybody’s projection otherthan “Him”..

    • We bloggers and those in CHENNAI in particular including myself analyse, calculate, track, report expected figures of rainfall with great hope..some times I wonder, if all our calculations and forecast go right, we would surely cross the rainfall count of Cheerapunji or Agumbe..In hindsight its like our Indian cricket team which looks strong in paper when they travel abroad

  25. The Chief amounts of rainfall recorded in centimetres are:

    Tamil Nadu:

    Tiruttani (Tiruvallur Dist) 5, Tondi (Ramanathapuram Dist) 3, Kovilpatti (Toothukudi Dist), Adirampatnam (Thanjavur Dist) 2 each, Kodumudi (Erode Dist), Arantangi (Pudukkottai Dist) 1 each.

    Thalasserry (Kannur dt) 6, Hosdurg (Kasargod dt) 3, Kannur and Mananthavady (Wayanad dt) 2 each and Kodulu (Kasargod dt) and Vythiri (Wayanad dt) 1 each.

    Dharmasthala (Dakshina Kannada dt) 6, Uppinagadi (Daskhsina Kannada dt) and Hassan 5 each, Sulya ARG (Dakshina Kannada dt) and Kalasa (Chikmagalur dt) 4 each, Mudibidre (Dakshina Kannada dt) and Hunsur (Mysore dt) 3 each, Karkala (Udupi dt), Telagi (Davangere dt), Holenarsipur and Sravanabelagola (both Hassan dt) 2 each and Mani, Mulki and Puttur (all Dakshina Kannada dt), Raddewadgi ARG (Gulbarga dt), Davangere, C.R.Patna, Sakleshpura and Nuggehalli (all Hassan dt) and Poonampet and Virajpet (both Kodagu dt) 1 each.

    Andhra Pradesh:

    Chintapalli (dist Vishakhapatnam), Mandasa (dist Srikakulam), Bhadrachalam (dist Khammam) 2 each and Venkatapuram (dist Khammam) 1.

  26. Rain fact:

    •The highest amount of rainfall ever recorded in 24 hours is 182.5 centimetres (71.9 inches) in Foc-Foc, La Réunion(a French Island). This occurred during tropical cyclone Denise on January 8, 1966.

    •The highest amount of rainfall ever recorded in one year is 25.4 meters (1000 inches) in Cherrapunji, India.Year 1861

  27. Rainfall in Karnataka

    in mm ending 8.30 am on 27.04.2013

    min 20 mm

    Kokkada – 74
    Hanbal – 62
    Kerveshe – 62
    Tattekere – 60
    Dharmasthala – 57
    Nagarhole – 56
    Uppinangady – 55
    Bindiganavole – 45
    Hunsur – 43
    Kalasa – 41
    Kabini – 39
    Durga – 37
    Guluru – 35
    Mudabidri – 34
    Dabbaedka – 32
    Kerekatte – 32
    Bilikere – 31
    Kadaba – 29
    Sulya – 29
    Hudakere – 27
    Chandrashekarapura – 26
    Bellur – 26
    Megaravalli – 26
    Mulikar – 24
    Chilukunda – 24
    Holenarasipur – 24
    Kikkeri – 22
    Shravanabelgola – 22
    Iavatur – 22
    Sampige – 20
    Hosakere – 20
    Teligi – 20
    Sangabettu – 20

  28. @Mani,
    Even I was at krishnagiri on the day when it was reported of 4 cm rain. But I felt it was only a moderate rain.
    May be place near rain gauge measured heavy spell.
    Or the ground is much heated that it absorbed all the moisture.

  29. Great atmosphere in Mumbai yesterday.

    Everytime kohli faced a ball, cheater cheater cheater

    This is because of the run out incident at the end of Mumbai innings

  30. Qwikcast forecasts Severe or heavy TS for Chennai (5 days starting today)..let us c how it disappoints us???

  31. if the sky is devoid of clouds(not even cirrus) clean and empty completely from morning to afternoon of till evening there is a good chance to have a t storm.

    Ramanathapuram 4 and Ottapidaram (Thoothukudi dt) 1.

    Chengannur (Alapuzha dt), Thodupuzha (Idukki dt) and Punalur 2 each and Thalasserry (Kannur dt), Vythiri (Wayanad dt), Piravom (Ernakulam dt), Vaikom and Kanjirapally (both Kottayam dt), Tiruvananthapuram airport, Nedumangadu and Neyyatinkara (both Tiruvananthapuram dt) 1 each.

    Belgaum AP 4; Rattehalli ARG, Hirekerur (both Haveri dt), Muddebihal (Bijapur dt), Gulbarga, Gulbarga AWS, Gurumitkal (Yadgir dt), Agumbe, Humchadakatte (Shimoga dt), Kottigehara, Koppa (both Chikmagalur dt) 2 each; Manchikeri (Uttara Kannada dt), Ranebennur (Haveri dt), Gadag, Hosanagara (Shimoga dt), Sringeri, Mudigere, Jayapura, Balehonnur, Avathi ARG (all Chikmagalur dt), Gundlupet ARG, Yelandur, Kollegala (all Chamarajanagar dt), Uchangidurga (Davangere dt), Huliyurdurga, Bukkapatna (both Tumkur dt) 1 each.

  33. Increase in Temp from today, due to change in SE wind to Southerly wind.

    Previously it Easterly to SE winds predominently, now southerly wind is predominent.

    Southerly wind which comes from land, due to this temp increased. More hot days ahead.

  34. The wind/discontinuity line runs from Nagaland, Manipur Mizoram & Tripura to coastal Karnataka across Gangetic West Bengal, Odisha, Chhattisgarh and Telangana in the lower levels.

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