Wednesday, October 31, 2012

Cyclone Nilam to cross near Mahabhalipuram by late evening today with 100 km winds. Chennai people are warned to take precautionary measures.


Forecasted Track of Cylcone Nilam


Warning 

People in affected areas are advised to remain indoors. Total suspension of fishing operations. Coastal hutment dwellers to be moved to safer places. The Damage expected from Nilam are Damage to thatched huts, Breaking of tree branches, minor damage to power and communication lines and Flooding of escape routes.

Rainfall Warning
The most intense storm of Cyclone Nilam yet to reach Chennai. When it reaches Chennai will float in Water. Please see Enhanced Infrared (IR) Imagery below

Image

Under the influence of this system, rainfall at most places with scattered heavy to very heavy falls and isolated extremely heavy falls (25o mm or more) during next 24 hrs. Rainfall at most places with isolated heavy to very heavy falls would also occur over south coastal Andhra Pradesh, Rayalaseema and north Interior Tamil Nadu during next 48 hrs.

Storm Surge:

Storm surge of about 1 -1.5 metre over the astronomical tide is likely to inundate the low lying areas of Chennai, Kanchipuram & Tiruvallur of Tamilnadu and Nellore district of Andhra Pradesh.

Winds:

Squally winds speed reaching 90 kmph gusting to 100 kmph would prevail along and off north Tamil Nadu Chennai, Kanchipuram & Tiruvallur of Tamilnadu, Puducherry and Nellore district of Andhra Pradesh as the system comes closer to coast, becoming 80-90 kmph at the time of landfall. Sea condition will be very rough to high along and off north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts during next 36 hours.

Tuesday, October 30, 2012

Recall of 1994 Severe cyclone - As Chennai fears from Cyclone Nilam

As Chennai is facing threat from a Cyclone Nilam, i just refreshed my memory of similar threats Chennai as faced.

Anyone has memory of 1994 Severe Cyclone that crossed Chennai) – It was the destructive cyclone to hit Chennai in last 20 years or even more.


This cyclone i witnessed it first hand…..to me this created havoc in Chennai. 24 cm rainfall in 24hrs coupled with 120 km/hr winds…. The cyclone scared the shit out of me. I watched the high winds with power cut without sleep. Still its scary. Hope Cyclone Nilam does not make any destruction like this.

(Click on the images to get a bigger view)







Chennai to experience very heavy rains from Tuesday as Cyclone Nilam to cross the Tamil Nadu coast on 31st evening

The Cyclone Nilam over southwest Bay of Bengal is moving northwards now and is located at  0230 UTC of yesterday, the 30th October 2012 over southwest Bay of Bengal near latitude 9.05N and longitude 83.31E, about 550 km south-southeast of Chennai and 300 km east-northeast of Trincomalee (Sri Lanka). The system would named today as Cyclonic storm Nilan and move westwards for some more time and come very close to Sri Lanka coast and then move northwestwards and cross north Tamil Nadu and adjoining south Andhra Pradesh coast between Nagapattinam and Nellore by 31st October, 2012 afternoon.



CURRENT LOCATION AT 8.30 AM on 30.10.2012 


       ADVANCED DVORAK TECHNIQUE       
 ADT-Version 8.1.3 
----- Current Analysis ----- 
     Date :  30 OCT 2012    Time :   030000 UTC
      Lat :    9:06:00 N     Lon :   83:18:00 E

     
     CI# /Pressure/ Vmax
      3.5 / 995.6mb/ 55.0kt


JTWC 03 warning Revised Track Towards Chennai

 Warning
Under the influence of this system, rainfall at most places with isolated heavy to very heavy rainfall would occur over coastal Tamil Nadu and Puducherry from tonight onwards. The intensity of rainfall would increase from 30th October 2012 evening, with scattered heavy to very heavy rainfall and isolated extremely heavy rainfall (25 cm or more). Squally winds speed reaching 60-80 kmph gusting to 100 kmph would prevail along and off north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts during next 12 hours. The wind speed would gradually increase thereafter as the system comes closer to coast. Sea condition will be very rough to high along and off north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts during next 48 hours. Fishermen along north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts are advised not to venture into the sea.

Here is the latest wunderground target for Cyclone Nilam



Preliminary Rainfall from Nilam ending 8.30 am on 30.12.2012

in mm (above 70 mm)

Kollidam - 154
Chidamabaram - 101
Karaikal - 95
Mayiladuthurai - 94
Sembanar Koil - 93
Nagapattinam - 88
Manalmedu - 88
Nannilam - 87
Tirutturaippoondi - 83
Kilvelur - 73

Saturday, October 20, 2012

Value of top private weather sites in India

I have analyzed the value of blogs and private weather sites put out by individuals in India. The sites rank based on Rank are as follows

Ashok Patel Sir’s Gujaratweather  is the most valued blog with $ 4401 and rank wise Ehsan Ahmed Keametsite ranks number one in India.

1.      Gujaratweather.com
Rank – 742,815
Estimated worth - $4401
Backlinks – 22
Seo score – 23%

2.      Kea.metsite.com 
Rank - 552,454
Estimated worth - $2974 
Backlinks – 97
Seo score – 13%

3.      Devconsultancygroup.blogspot.com
Rank - 12,104,548
Estimated worth - $1839
Backlinks – 58
Seo score – 15%

4.      Keaweather.wordpress.com
Rank -  1,477,643
Estimated worth - $1236
Backlinks – 7
Seo score – 9%

5.      Metdweather.blogspot.com
Rank – 12,384,766
Estimated worth - $1020
Backlinks – 9
Seo score – 18%

6.      Rrkelkar.wordpress.com
Rank -  11,728,329
Estimated worth - $868
Backlinks – 17
Seo score – 15%

7.      Indianweatherman.blogspot.com
Rank – 11,289,093
Estimated worth - $530
Backlinks – 14
Seo score – 9%

8.      Tamilnaduweatherman.blogspot.com
Rank - 15,635,855
Estimated worth - $424
Backlinks – 6
Seo score – 9%

9.      Livetemperature.blogspot.com
Rank – 
Estimated worth – $369
Backlinks – 6
Seo score – 15%

10.  Rajesh26.blogspot.com
Rank – 
Estimated worth – $306
Backlinks – 19
Seo score – 12%

12.  xtremeweatherforecast.blogspot.com
Rank – 
Estimated worth – $163
Backlinks – 7
Seo score – 6%

Friday, October 19, 2012

Final SWM 2012 Rainfall Toppers - 01.06.12 to 30.09.12 - Cherrapunji the winner wayahead than others

The Final verdict is out after 120 days into the SW monsoon, the winner is Cherrapunji by a margin of 2500 mm. Compared to last year, when Amagon got over 9000 mm, Hulikal got over 8000 mm, Kitwade around 8000 mm and Agumbe, Kollur, Amboli all over 7000 mm. The rains are around 1000 to 1500 mm less in most of the stations compared to 2011.

Rainfall in mm (Minimum of 4500 mm)
  1. Cherrapunji (Meghalaya) - 10436
  2. Hulikal (Karnataka) - 7824
  3. Mastikatte (Karnataka) - 7312
  4. Agumbe (Karnataka) - 6721
  5. Yadur (Karnataka) - 6447
  6. Kollur (Karnataka) - 6300
  7. Kitwade (Maharashtra) - 6263 
  8. Mani (Karnataka) - 6228
  9. Amboli (Maharashtra) - 6184
  10. Dajipur (Maharashtra) - 6083
  11. Kogar (Karnataka) - 5950
  12. Arendur (Karnataka) - 5500
  13. Amgaon (Karnataka) - 5418  (22 to 31st August rainfall not available)
  14. Gaganbawda (Maharashtra) - 5402
  15. Tamini Ghat (Maharashtra) ~ 5300
  16. Mahabaleshwar (Maharashtra) - 5235
  17. Patgaon (Maharashtra) - 5214
  18. Sangameshwar (Maharashtra) - 5201
  19. Dawadi Ghat (Maharashtra) ~ 5200
  20. Mulshi Dam (Maharashtra) - 5151 
  21. Gavali (Karnataka) - 5150 (19 to 31st August rainfall not available)
  22. Albadi (Karnataka) - 5126
  23. Kasari (Maharashtra) - 5090
  24. Kerekatte (Karnataka) - 5056
  25. Castle Rock (Karnataka) - 5045
  26. Kanakumbi (Karnataka) - 4981 
  27. Nilkund (Karnataka) - 4912 
  28. Talacauvery (Karnataka) - 4881
  29. Shiragaon Ghat (Maharashtra) ~ 4800 
  30. Sitanadi (Karnataka) - 4782
  31. Passighat (Arunachal Pradesh) - 4765 
  32. Mulikar (Karnataka) - 4747
  33. Kerveshe (Karnataka) - 4714
  34. Gokarna (Karnataka) - 4646 
  35. Hosakere (Karnataka) - 4624
  36. Amasebail (Karnataka) - 4500 
  37. Surlabhi (Karnataka) - 4500

Driest Toppers Rainfall in mm Cut-off (less than 100 mm) 

  1. Palayamkottai (Tamil Nadu) -16
  2. Thoothukudi (Tamil Nadu) - 17
  3. Coimbatore AP (Tamil Nadu) - 19
  4. Chandrapur (Orissa) - 20 
  5. Pamban (Tamil Nadu) - 35
  6. Rourkela (Orissa) - 57
  7. Nandaghat (Orissa) - 79
  8. Udaygiri (Orissa) - 79
  9. Kavthemahankal (Maharashtra) - 88
  10. Tarapur (Orissa) - 90
  11. Jat (Maharashtra) - 100
  12. Kolab (Orissa) - 100
  13. Indapur (Maharashtra) - 100
  14. Tondi (Tamil Nadu) - 100

India Major Cities SWM rainfall (Population ~ 2 million)

(Rainfall in mm)
  1. Mumbai – 1434
  2. Nagpur – 1184
  3. Kolkata – 1118
  4. Bhopal - 1115
  5. Patna - 928
  6. Indore - 890
  7. Lucknow – 851
  8. Surat – 825
  9. Jaipur – 758
  10. Kanpur - 630
  11. Hyderabad – 623
  12. Ahmedabad – 605
  13. Delhi – 545
  14. Chennai - 407 *
  15. Pune – 377
  16. Bangalore – 331
* Monsoon yet to start for Chennai