110 thoughts on “Overcast day with chance of some sunshine

  1. @thunder research indicates that la nina boosts SWM and supresses NEM.. Also, there was a study of the correlation between SWM and NEM.. if SWM is excess, then NEM is likely to be deficient… if SWM is deficient NEM is excess… it was a study over 40 years..

    more recent examples

    a) deficient SWM 2009, excess NEM 2009- Chennai
    b) excess SWM 2007, deficient 2007 – Chennai
    c) excess SWM 2009,deficient 2009 – Bangalore
    d) excess SWM 2009,deficient 2009 – Salem

  2. My RG says 28mm for the 12hr period ending at 6.30IST :mrgreen: but Chennai AP 31.9mm 😦

    Bangalore AP 0mm and Bengaluru 3mm :mrgreen:

  3. to Explain u more clearly

    in the last 100 years

    SWM was excess in 30 years.. NEM was deficient in 20 of those 30 .. normal in 3.. above normal in 7

    SWM was below normal in 31 years.. NEM was above normal in 18 of those.. normal in 5.. below normal in 8

  4. Interesting facts
    in last 100 years for TN

    SWM above normal for 30 years, normal for 39 years, below normal for 31 years

    NEM above normal for 40 years, normal for 19 years, below normal for 41 years

    Conclusion: NEM has more probability for an excess as well as a deficient monsoon

  5. oh ok .. la nina is bad for NEM.. but seems october will be very good this time…

    actually predictions this time are perfect

    a) Western ghats (not west coast) will have deficient rainfall

    b) entire east coast will get good rains

    c) north west india will have good july

    d) central india could suffer

  6. Bangalore HAL AP runway – 882m ASL
    Devanahalli AP runway – 894 – 916m ASL
    Bangalore city met dept – 912m ASL
    chinaswamy stadium – 933m ASL
    my house – 906m ASL
    hoskote met dept – 884m ASL
    nelamangala met dept – 892m ASL
    Bannerghatta national park – 832m ASL
    hosur – 868m ASL
    Bangalore palace grounds – 953m ASL(highest point within city)
    Banashankari (SW bangalore) – 826m ASL (lowest point within city)

  7. omggg u dont know business line Hindu..what have u been predicting all these days? u were asking Octopus Paul? 🙂

  8. @karthik narayan..

    La nina is responsible for the hyper activ american hurricane season….n amaerican hurricane season will affect the NEM season…so expect an excess NEM rainfall for TN this year!

  9. @karthik i told you right something is possible when the halo occurs,IMD is predicting for a low pressure to form in bay that is the reason for yesterdays rains and unusual movement of clouds

  10. yes it is north west bay of bengal thats not good for us 😦 but it is clear that yesterdays rain and halo is an indication of some weather system in bay of bengal.we can be happy that we got it right 🙂

  11. @Kar R.. its unfortunate that u are comparing on an absolute basis with SWM and NEM… NEM for Salem is 60cm.. I hope u know it.. and see where 24cm when compared to 60cm..

    its like saying this year SWM Chennai got 20cm… Tiruvananthapuram got 40cm… so Tv puram is only excess

    I am appalled by the fact that u need more coaching about relativity and percentages

  12. so the main point was this message
    “in the last 100 years

    SWM was excess in 30 years.. NEM was deficient in 20 of those 30 .. normal in 3.. above normal in 7

    SWM was below normal in 31 years.. NEM was above normal in 18 of those.. normal in 5.. below normal in 8”

  13. Suma PS is our blog memeber from Thiruvananthapuram.. Legend has it that if she s in a place it wouldnt rain there 🙂 now she is in Chennai 🙂

  14. almost 1 1/2 months of SWM over and Chennai is still beating bangalore

    Chennai – 187
    Chennai AP – 184
    Bangalore -133

    whats happenning to bangalore? Maybe its the effect of cutting down of trees

  15. 2007 APRIL rainfall
    ———————

    Tirupattur – 18cm
    Bang – 14cm
    Bang AP -12cm
    Vellore – 6cm
    Salem – 5cm

    Conclusion – ther are many places in TN that match bng’s pre monsoon!! 🙂

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