631 thoughts on “2 months to go for NEM

  1. Kea
    you dont need 10-15cm for SWM…………..!!! ๐Ÿ˜ฆ ๐Ÿ˜ก let it go for a drought and then a bumper NEM start! ๐Ÿ™‚ Kea are you afraid of NEM!!!? ๐Ÿ˜› ๐Ÿ˜€

  2. Ehsanji
    Please change your topic’s title… You should have like this….
    Normal onset date is oct 20th (+/- 10 days). We must not get 10-15cms from SWM to be on safe side. ๐Ÿ˜‰

  3. http://www.thehindu.com/news/cities/Chennai/article2375752.ece

    Now here’s the head of the chennai meteorogical department …speaking on the “unusually” wet TN …and unusual vigour of SWM this time round in august …….the usuality of vigour of SWM is in septmber…

    MR.YEA RAJ’S WORDS (Not a silly person i believe)

    “Y.E.A. Raj, Deputy Director General of Meteorology, Regional Meteorological Centre, though the State had been receiving unusually heavy rainfall in the past four days, registering an increase of 34 per cent, Chennai received unusually heavy rainfall only on Thursday.

    Attributing it to โ€œupper air low pressure area in Chennai regionโ€, Dr. Raj said: โ€œWe are in the second half of August when the normal rainfall is around 4 cm to 5 cm and we would get rain once a week. Yesterday’s rainfall was quite welcome. “

      • Kar, also, SME’s in my theory may be a cause for Earth quakes here. I.e they are affecting the tectonic activity here on earth when they hit our planet! I request you to watch SME data from spaceweather ,com and earth quake data from USGS.

        Solar Mass Ejections may also a ” cum hoc ergo propter hoc” for earth quakes not alone the tectonic shifts!

  4. Jus referred to the amateur scientist mr,dhinakar rajaram about this unusal display of rheavy rians in TN this august…he says –

    “usually SWM if it rains it will be strong in September. Rarely August will see heavy thunder downpour.Sometimes due to a sudden low, it has rained in August as well but rarely heavy. But they happen only during last quarter of the august
    The main reason is Sun! Momentum picks as the sun slides south. Also, for a good monsoon, we have to watch the weather activity in Antarctica “

    • His take on NEM 2011

      “This year some strong possibility of NEM being affected due to increased solar activity. But it is still a untested theory…This year Aurora was visible till latitude of Central California, it means huge Solar Mass ejections
      They surely affect weather”……

      There are umpteen factors affecting weather ๐Ÿ™‚

  5. @Praveen,

    Max temp of 25 with cloudy weather is chill ….During NEM it will be more worse….I havee seen Bangalore at 20max-16min…..Tirupattur and dharmpauri and 21max – 17min …that will be very very chilly……winter is a different tale altogether…..Bangalore will drop to 8-9c ….tirupattur to 10c ….and dharmpauri and even vellore will fall to 12 on odd days..

  6. This is the 1950-80 avg min temp for given by IMD

    Bangalore – 15.6c
    Tirupattur – 17.2c
    Vellore – 19.2c
    Coimbatore – 19.7c

    Bangalore – 15.1c
    Tirupattur – 16.1c
    Vellore – 18.2c
    Coimbatore – 19.0c

  7. Like 2 days back, no one active in the blog wen it pours like this.

    Weather freaks, where are you???

    Mean while the rain is getting more heavier, surely above 100 mm/hr for past 5 mins

  8. Rainfall in past 2 hours around chennai in mm

    Poondi – 24
    Arakonnam – 23
    Gummidipoondi – 21
    Kadambathur – 20
    Katpadi – 19

    Meanwhile rainfall intensity has gone down suddenly

  9. what a day to arrive in chennai… wonderful weather.. wow.. i was expecting a sweaty, uncomfortable night.. But it actually is cool outside and get a little wet in the rain and its even chill with the slight breeze.. lovely.. was actually pouring here in kotturpuram about 20 mins back, culdn’t even see the trees in front of the house

  10. left bangalore with rains and arrived in chennai with rains.. except for a brief dry period near ranipet/walajapet.. its been heavy rain – drizzles all the way… but it did seem like they had a shower before we got there

  11. But this is definitely the last wave for today.. only drizzles after this wave moves away.. probably about 2 – 3 mm more after this wave.. And doppler SRI showing really heavy rainfall about 10km south / south west of DWR..

  12. Rainfall in past 3.30 pm in and around Chennai in mm

    Madhavaram – 66
    Ellapuram – 66
    Kadambathur โ€“ 62
    Nungambkkam – 54
    Poondi โ€“ 53
    Ennore – 45
    Neyveli – 42
    Meenambakkam – 38 (upto 2.30 pm)
    Gummidipoondi โ€“ 37
    Arakonnam โ€“ 36
    Katpadi โ€“ 20

    As usual madhavaram tops for second time

  13. Pradeep i also recommend we track Andhra Pradesh section of imd aws… Sriharikota is thre.. so we can include it for chennai..mainly for pulicat mani…. we can do it atleast during NEM

  14. The myth of rainier Sep is broken now with all ends up. Aug is the undisputed king when it comes to rains during SWM and what a awesome way to prove that. Still 10 more days to go and this Aug is going to rock till the very end.

  15. Rainfall in 8.30 am in and around Chennai in mm

    Madhavaram โ€“ 76
    Nungambkkam โ€“ 72
    Ellapuram โ€“ 71
    Kadambathur โ€“ 64
    Meenambakkam โ€“ 58
    Ennore โ€“ 56
    Poondi โ€“ 56
    Gummidipoondi โ€“ 49
    Neyveli โ€“ 42
    Arakonnam โ€“ 38
    Kallakkurichi – 25
    Katpadi โ€“ 22

  16. Bang City 812mm, HAL AP 753mm till date.. 100cm+ almost sure unless NEM fails ๐Ÿ˜€ even with NEM fail we may touch 100cm with normal september alone ๐Ÿ˜€

  17. Kar, going for 1970’s ,and even 1980′ data,making things funnier….last 5 -10 years data can be considered and not last century data …i thnk u should undrstand tat.

      • Granted it may be 30cm higher than Bangalore den… but enduring above 35 temperatures for some 10 out 12 months for getting 30cm more rain is not worth it IMO ๐Ÿ˜€

      • but chennai is more dependent on rains than another factor.bengloor can be utilized as a weekend picnic spot ๐Ÿ˜€

      • Completely agree – today for e.g. has had NO rain but weather has been the best in a long time. I dont see anything in statistical “victories” – I’d rather have sub 30s and low 20 min temp than 300mm extra rain on the record books ๐Ÿ˜›

      • since we had rain yest night the weather is pleasant today.but min wont go below 26 unless we have rains

      • chennai avg 142cm and bengloor avg is 92cm.so no comparison there.and our main rainy season yet to begin ๐Ÿ˜€

      • i m not trying to compare the avg of chennai and bengaluru.. everyone knows chn gets more than of blore.. i m not refuting tat.. thing is chennai receives more than 50% of the its annual rain in a short period of 2-3 months (and tat period will be awesome accepted).. on the other hand blore’s rain is distributed uniformly throughout the year.. i would rather hav uniform rain with pleasant climate throughout year than enjoy 2-3 months every year and hav hot weather rest of the year ๐Ÿ˜

      • 2-3 months?? Far from it – we get all our statistical rain over <10 days. 1 or 2 low pressures bring torrential rains on a handful of days and we edge out other places in the mm count. I am 1/2 tempted to compute the weighted hourly average temperature for a few cities – its the real indicator of "comfort factor" – on that count I think Blore, Hyd and even Delhi are far ahead. Chennai's temperature does not change much thro the day AND through the year – its always between 27-35 most of the time.

  18. Hi guys.. my blog post about wettest months of variosu regions of TN.. there are some monthly averages of sept,oct,nov for new places like Kallakurichi,Tirutani,Vellore,Coonoor,Karaikudi,Vedaranyam etc…

    On the whole.. i got some interesting info that november is the rainiest month for deep southern districts (south of madurai) as well…

    and mostly October-November are the wettest months of TN as a whole… however September is good for North West TN…


    please give ur valuable comments

  19. 2011 is no exception. The wettest period of the summer is between 10th and 25th August.

    2011 – 160 and counting
    2010 – 190.2 mm
    2009 – 65.8 mm (SWM failure)
    2008 – 113.4 mm
    2007 – 90.8 mm (unusally good July)

  20. @Selva gaaru,

    “Kar, going for 1970โ€ฒs ,and even 1980โ€ฒ data,making things funnierโ€ฆ.last 5 -10 years data can be considered and not last century data โ€ฆi thnk u should undrstand tat.”

    It is the other ppl who are adamnt on that 1950-1980 avergaes…..i,as i have already seen, and observed from am childhood….produced u the newer averages….


    Sep – 16cm
    Aug – 12cm

    2000-2010(refer kea blog)

    Sep – 14cm
    August – 11cm

    Though it has been an unusual agust,it is a weclome august,no doubt about that…..!!….but the thing is it has not rained in the Afternoon and mid-noon ….!!…it is a common feature of septembr..

  21. No comparing bangalore with chennai….bangalore gets its rain whan it badly needs….same applies for NW interior Tn,the three beautiful towns of Dharmapuri,krishangiri and tirupattur also….

    The rainfall of bangalore spread over the months of March – November makes it the most graceful places in the world…..its like almost raining everyday….

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