Wednesday, November 22, 2017

November 22, 2017 at 05:47PM


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November 22, 2017 at 06:41AM


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Tuesday, November 21, 2017

November 21, 2017 at 03:30PM


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November 21, 2017 at 01:21AM


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Monday, November 20, 2017

November 20, 2017 at 11:17PM


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November 20, 2017 at 10:58PM


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November 20, 2017 at 05:03PM


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November 20, 2017 at 04:22PM

November 20, 2017 at 03:36PM


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November 20, 2017 at 12:58PM

November 20, 2017 at 09:48AM


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November 20, 2017 at 06:26AM


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Sunday, November 19, 2017

November 19, 2017 at 04:57PM


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November 19, 2017 at 01:43PM


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November 19, 2017 at 12:11PM


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November 19, 2017 at 11:50AM


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November 19, 2017 at 10:58AM


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November 19, 2017 at 08:51AM


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Saturday, November 18, 2017

November 18, 2017 at 06:58PM


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November 18, 2017 at 06:56PM


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Friday, November 17, 2017

November 17, 2017 at 08:42PM


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November 17, 2017 at 08:06PM


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November 17, 2017 at 06:36PM


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November 17, 2017 at 01:30PM


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November 17, 2017 at 11:14AM


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Thursday, November 16, 2017

November 16, 2017 at 06:15PM


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November 16, 2017 at 05:32PM

Wednesday, November 15, 2017

November 15, 2017 at 09:51PM


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November 15, 2017 at 09:43PM

November 15, 2017 at 05:21PM


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November 15, 2017 at 01:53PM


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November 15, 2017 at 12:16PM


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November 15, 2017 at 11:31AM


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Tuesday, November 14, 2017

November 14, 2017 at 07:00PM

November 14, 2017 at 06:08AM


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November 14, 2017 at 05:30AM


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Monday, November 13, 2017

November 13, 2017 at 06:43PM


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November 13, 2017 at 10:38AM

November 13, 2017 at 10:27AM

November 13, 2017 at 07:15AM

Sunday, November 12, 2017

November 12, 2017 at 08:51PM


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November 12, 2017 at 08:28PM

November 12, 2017 at 05:41PM


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November 12, 2017 at 02:35PM

November 12, 2017 at 02:30PM

November 12, 2017 at 02:16PM

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November 12, 2017 at 10:05AM

November 12, 2017 at 04:32AM

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Saturday, November 11, 2017

DELHI NCR & NORTH INDIA TO GET RELIEF FROM SMOG/FOG AS WD APPROACHING

National capital and other parts of northern States were witnessing foggy morning since  last few days. Yes thats 'fog', but due to high pollution levels and mixing of toxics gases in fog it is been stated as 'smog' and it was so  alarming that doctors in delhi said its 'Health emergency'. Looking ahead, A Western disturbance(WD) is seen approaching our region which will be moderately active in nature along with a cyclonic circulation likely to induce over central Pakistan moving NW Raj along with WD. Light rains may occur over J&k by night of 13 Nov. Intensity and spread of rains will increase by the evening of 14 nov when Many parts of J&k, Himchal pradesh, Uttrakhand will receive light to moderate rains and snow over higher reaches, Skies in Delhi NCR, Haryana,NW Raj and NW UP will start becoming cloudy and isolated light rains may occur in parts of Punjab. Precipitation intensity will be on peak on 15 Nov over both hills and plains of north india, parts of Haryana & Delhi NCR may receive light rains or drizzles on 15 nov. Intensity of rains may decrease by the 16 nov as WD will start clearingup from the region but isolated rains may occur over some areas. This WD will remove pollution from northern india and give way to fresh and cool NW winds due to which gradual drop in temperatures expected from 17 nov making winter onset over the above mentioned areas as various stations in plains will record below 10° minimum temperature, day temperature is also expected to dip by 3-4°c pleasing residents to bring there woolen stock out.
================
BY: Navdeep Dahiya
(Founder/CEO LWI)

November 11, 2017 at 06:30PM


Now, the circulation, LPA is seen over SW Bay near NE of Srilanka.

In next 72hrs, Both GFS and ECMWF models expect this LPA, low,mid-level circulation to drift North parallel to Tamilnadu coast. 
This'll mean one thing, HEAVY rain ahead for N coast Tamilnadu, Chennai and S coast Andhra before Monday noon.

This GFS rainfall chart is for Sunday... HEAVY rain ahead for N coast Tamilnadu, #Chennai , S coast Andhra.
 #SuperSunday on cards !!
Even ECMWF forecasts a #SuperSunday for #Chennai and N coast Tamilnadu !!

#Chennai - 2pm, is windy with medium high cloud cover. And RADAR is clear !
Towards 6pm it'll change !!


Friday, November 10, 2017

November 10, 2017 at 07:07PM


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November 10, 2017 at 07:06PM


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November 10, 2017 at 03:29PM

November 10, 2017 at 07:43AM

November 10, 2017 at 05:26AM

Thursday, November 09, 2017




Today, the big elongated circulation and LPA is seen over S-central Bay, the circulation's NW quadrant can be seen along N coast tamilnadu.
According to models, the LPA and its circulation is expected to "drift" West during next 72hrs and come close to NE Srilanka on Sunday.

Today, most of Tamilnadu had a dry day... but this can get disturbed on Friday, especially over N,central coast.
"Some rain ahead"
By Saturday into Monday, present circulation can give showers along S coast Andhra, Chennai , N,central coast Tamilnadu.

Some detail about the expected "Cyclone over central Bay"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`

At present the potential energy for a Cyclone to build is high over central,S-central Bay, that's why models are forecasting a Cyclone !

"IF" a cyclone pops out from the present circulation then "can" take a North movement due to upper-level wind steer and 30W's NW movement.

"At present Wind shear above central Bay is high" .. a Cyclone will get weak or get dismantled if it moves into that zone.

"Present central,N Bay is having a good Sea surface temperature. Above normal at this of year".. which will support the growth of a Cyclone.

First let the circulation become a Cyclone / Depression as suggested by GFS, ECMWF.
Till then "rain ahead" for N,central coast Tamilnadu !

November 09, 2017 at 01:30PM

Wednesday, November 08, 2017

Tuesday, November 07, 2017


Low-level circulation seen over SE Bay today. This happened before the remnant of 29W pushes into Bay.



Both GFS and ECMWF expects..
During next 2 or 3 days, this circulation can drop a LOW and move west into S-central Bay.
We have to wait and watch "what comes out of this next LOW" after Thursday !

Rain along #Chennai, N-coast tamilnadu and S-coast Andhra.. Almost NO rain expected from early hrs of Wednesday.
can get a break of 2/3 days.
GFS expects a DRY day for entire Chennai, Tamilnadu, S Andhra, S Karnataka on Thursday and Friday !!

November 07, 2017 at 04:08PM


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November 07, 2017 at 03:01PM

November 07, 2017 at 08:04AM


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November 07, 2017 at 07:50AM


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November 07, 2017 at 07:46AM

Monday, November 06, 2017



At present good easterlies is prevailing over Tamilnadu and S Andhra.
Chennai, S-coast Andhra, N coast Tamilnadu can have one last round of moderate showers after midnight today.

Interior Tamilnadu will have scattered T showers on today and Tuesday.
W-ghats of Tamilnadu will have HEAVY downpour during next 2 days.
Heavy rain #ALERT for Nilgiris before Tuesday midnight.

In next 3 days, the remnant of depression 29W is expected to push into central Bay as a low,mid-level circulation.
Where is 29W depression ?? You can see it here in the chart.

November 06, 2017 at 05:12PM


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November 06, 2017 at 12:04PM

November 06, 2017 at 11:30AM


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November 06, 2017 at 10:50AM

November 06, 2017 at 07:44AM


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November 06, 2017 at 03:21AM

Sunday, November 05, 2017

Saturday, November 04, 2017

November 04, 2017 at 11:20PM


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November 04, 2017 at 11:18PM


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ஏரிகள் மாவட்டம்

The formation of NE-SW or North-South broken cloud band, sometimes more than 120km in length and formed in Bay of Bengal especially in  SW & West Central Bay, lashed as rain only in coastal town and villages in Tiruvalluvar,Chennai and Kanchipuram districts.  Continental dry Easterly wind from Russian lands, circumventing Himalayas and entered the Bay from NEly direction.  when the winds blow close to coast of the above said regions, huge cloud formation happened and the coast and adjoining places were lashed with rain......

One must bear in mind that Tiruvalluvar, Chennai, Kanchipuram districts are heavy downpour regions and they were once considered as "Districts of Lake" ( ஏரிகள் மாவட்டம்). with or without knowing this "realtors" encroached and people also built home on lakes.  Natural storm water drains were blocked and ultimately the rain water instead draining naturally to sea or to other water body inundates the human habitats........ 

Surprisingly, to some extend, the sub ways built on Trunk Road and on artillery roads acted as DRAINAGE  LAKE  and the RAIN water of those place (adjacent to the subways) is NOT flooding the area because of the fact that the flood water is drained in subways.  This is an eye opener.

Government must consider built subways to manage traffic at appropriate flood ( & TRAFFIC) vulnerable AREAS.  By the same time sub ways THUS BUILT will act as "drainage lakes" for the flood water to drain. All subways should have proper under ground storage facility to drain the waters in sub way and that storage should be linked to drain the excess water  in major river like PALAR. The storage water can be utilized for fire fighting, and for other purpose during non rainy days /summer months.

 More sub ways and associated under ground storage system can be consider in artillery roads from MADIPAKKAM, KEELKATTALAI,  MEDAVAKKAM, MUDUCHUR, URAPPAKKAM (GST ROAD), KUDUVANCHERRY [GST ROAD] SP KOIL (GST ROAD)  & Paranur and can be linked to drain the excess water in appropriate nearby water body or Rivers like Palar/ Adayar / Coovum and /or Kosathaliyar.

November 04, 2017 at 06:56PM

November 04, 2017 at 05:01PM


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November 04, 2017 at 04:03PM


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November 04, 2017 at 03:38PM


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November 04, 2017 at 12:37PM

Friday, November 03, 2017

November 03, 2017 at 10:00PM


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November 03, 2017 at 08:41PM

November 03, 2017 at 07:00PM


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November 03, 2017 at 06:09PM

RT @htTweets: 
Overnight rains leave Chennai under water,companies, schools declare holiday https://t.co/TU6RgfEayd https://t.co/EXODjeB0R4

Chennai and Tamilnadu rainfall till 8:30am, DGP office 30cm, Taramani 19, Nungambakkam 18, Airport 14, Tambaram 12.

Chennai 2 Nov 2017 "Heavy Rain".. this is what happened, RADAR loop video https://youtu.be/z_s07qsN4TM via @YouTube


The low-level circulation persists along SW Bay near E,NE Srilanka.
Next 24hrs, this SW Bay circulation is expected to drift SW into S coast Srilanka, along Mouth of Gulf Mannar. May persist there till Sunday.

Take a look at past 24hrs rainfall map. HEAVY along central,N coast Tamilnadu, especially Chennai.

Yes, more heavy rain possible for N coast Tamilnadu, Chennai and into S coast Andhra before Saturday morning !

November 03, 2017 at 01:28PM


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TS Damray Massive Intensification Before Landfall

TS Damray Now Getting Intense and is around 12-24 hours from Landfall over East Coast of Vietnam . Pressure at 975 hPa and Dropping with Core winds of upto 120 km/h

November 03, 2017 at 12:09PM


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November 03, 2017 at 08:21AM


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November 03, 2017 at 12:17AM

Thursday, November 02, 2017

November 02, 2017 at 11:18PM


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November 02, 2017 at 08:48PM

November 02, 2017 at 08:44PM


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November 02, 2017 at 08:42PM


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November 02, 2017 at 02:53PM

November 02, 2017 at 02:52PM

November 02, 2017 at 08:06AM


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November 02, 2017 at 06:17AM

November 02, 2017 at 06:06AM

Wednesday, November 01, 2017