The upcoming W.D system is expected to bring HEAVY rain for many zones W,N,central,N-W and even South India from Saturday evening !!

Now, an upper-level W.D circulation is seen over Iran and another weak one over N pakistan.
By 28-Feb, the W.D upper trough is expected to deepen and move to 62E and dipping South upto 15N ... http://ow.ly/i/8NuCY 
On Sunday, this W.D trough is expected to drift into W,N-W India and continue to move East !

On 28-Feb, the upper-level W.D trough is expected to drop mid,low-level circulation over S Pakistan, N Arabian sea.. http://ow.ly/i/8NvaN 
28-Feb, morning, the low-level circulation is expected to be over N Arabian sea and in next 24hrs it's expected to move to central Rajasthan
1-Mar, low-level circulation will be over central Rajasthan and its trough will dip S-W upto N,N-central Arabian sea http://ow.ly/i/8Nvtk 

Due to this W.D upper-level trough and low-level circulation.. a strong moisture pull is expected thru Maharastra coast into Central,N India

Friday, before late-evening... scattered rain for E,central Uttarpradesh and into Bihar.
Upcoming W.D will push in Cloudy weather for W,N-W,N,N-central India from Saturday morning !
28-Feb, also, scattered rain expected for central, E Uttarpradesh.

From evening of 28-Feb...
Rain for W,N-W,S-W Gujarat.
Heavy for Punjab, Haryana, W Uttarpradesh, Madhyapradesh, W-coast,central Maharastra

From saturday evening/night into Sunday...
Heavy S-W monsoon style rain expected for Maharastra coast, #Mumbai ... http://ow.ly/i/8Nx0x 
Late-evening, 28-Feb to night of Sunday..
"Super Sunday Rain"
Mumbai, W,N-W,central,N Maharastra, Punkab, kashmir, haryana, Himachal, Delhi.
"Super Sunday Rain" also for ... central,N,E Madyapradesh, many zones of Uttarpradesh and Uttarakhand... http://ow.ly/i/8NxjC 

Back To Back Back Lightning Bolts. Western Disturbance 24 Feb 2015. Malout Punjab

Lightning Storm In Village Kabarwala Punjab. Pic By Sukhwinder Singh Amazing WD Thunder Storm Hit Punjab on 24 Feb 2015: http://youtu.be/-Du0FR30y80

24 Feb 2015 Thunder Storm Hit Malout Punjab

Amazing Thunder Storm WD Malout Punjab.

Amazing WD Thunder Storm Hit Punjab on 24 Feb 2015: http://youtu.be/-Du0FR30y80

Weather Instagram at February 25, 2015 at 10:53PM

Photo taken over SW Punjab on night of 24-Feb. Thunderstorm due to W.D system. #weather

from Instagram

Weather Instagram at February 25, 2015 at 07:23AM

Chennai - 6:50am, a cold February morning. 19.9 C with clear skies. #weather

from Instagram

Yuktix automatic weather station !

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Yuktix AWS (Automatic Weather Station) comes in two versions

(1) Personal AWS : - Personal AWS comes with below specified sensor. With Personal AWS, weather enthusiastic can keep a track of changing weather conditions in their surroundings. They can see the data in real times pushed to Yuktix server at the frequency of 3 minutes in order to capture the smallest change. Same data stored in archive from where it can be downloaded for further research in future. 

Sensors

• Relative Humidity (+/-) 2% variation measured
• Temperature (+/-) 0.3 Celsius
• Pressure 300-1100 hPa (+/-) 0.12hPa at 25C (+/-)0.02mm
• Rain fall – accuracy of 0.02 mm

More sensor can be added on demand.

Yuktix cloud membership for 1 year is included watch and download data from your station.

(2) Professional AWS : - Yuktix Professional AWS comes with  below specified sensors along with sensors of personal AWS. Yuktix professional version of AWS can be used Agriculture research institutes, environmental research institutes and other government institutes to keep an eye of changing weather and do weather forecast as well as agriculture advisory by analyzing the  trend of weather in last few days or weeks. 

Yuktix also generate report at 8.00 am every days satisfying IMD guidelines which include Min, Max and Average for the previous day. More reports to be added soon. 

 

• Wind speed  ± 2 meter/hour, 0.1kmph,   max 160mph
  
• Wind direction ± 5% accuracy
  
• Leaf Wetness Dew / Dry Leaf/ Wet Leaf
  
• Soil Temperature -40C-60C, resolution 0.1C, 50C-110C with ±0.5C accuracy
  
• Soil Dielectric Permittivity Range is  1 (air) - 80 (water). For mineral soil/ potting soil/ rockwool/ perlite 
  

Pune will hover around 35c till the weekend..expect some clouding and drizzles on Sunday 1st March.

Western disturbance F-4 moving eastwards into the Indian Sub Continent on schedule..
Heavy Falls expected in Northern Pakistan and Pak Punjab on 24th and 25th. 
Islamabad can get as much as 35 mms rains in 2 days. 
Gujarat (Pak Punjab) can expect  30 mms in 2 days from 24th evening.

On 25th Kashmir can expect heavy rains and snow . Srinagar may measure upto 45 mms. on 24th Night and 25th , 
Indian Punjab, Utterakhand , Western UP  and Haryana may get hailstorms. HP hills get another round of snow and rains in the plains.
Light rains in parts of Delhi on 25th...but much more coming from M-1

Southern Tamil Nadu and Kerala likely to get showers on 25th.

26th rains decrease in North, but isolated heavy falls in Idukki district and Ghats of Kerala.Rains continue in Kerala till 28th.

Bangalore gets warmer to reach 33c by Wednesday, before clouds and light rains come on 28th...

The buzz continues into March...and the first week is really active in North and Central India...M-1 (Another WD) moves in the North on 1st March.

Projected 250 hpa level Jet streams as on 27th February

An extended trough into the Arabian Sea and West Coast of India can bring rains and Thunder showers to parts of Central India, Saurashtra and North and Interior Maharashtra ,North Konkan (Including Mumbai) on 1st March.

More activity and sensation from 4th March as M-2 moves in...!!

From www.vagaries.in

ogimet

OGIMET is a very good site which gives all global real time weather data.  Out Indian data is also included. Latest synoptic reports of  world wide countries, Latest METAR, upper air profiles of atmosphere of various regions of globe, cloud images, Meteograms etc.    
 Professional information about meteorological conditions in the world.
(1) 12Z Coimbatore synop:
 AAX 23124 43321 31996 00708 10310 21020 39665 40103 70500 333 10330 58007=

(2) 12 Z Nagapattinam synop:

AAXX 23124 43347 32997 10704 10292 20218 30101 40112 80001
      333 58001=

(3) 12 Z PAMBAN SYNOP  
AAXX 23124 43363 32997 20205 10302 20223 30100 40112 80001
      333 59001=
 
Latest METAR [timings in GMT] 
 

SA	23/02/2015 14:30->	METAR VOMM NIL=
SA	23/02/2015 14:10->	METAR VOMM 231410Z 07007KT 6000 FEW020 24/20 Q1013 NOSIG=
SA	23/02/2015 14:05->	METAR VOMM NIL=
SA	23/02/2015 13:40->	METAR VOMM 231340Z 08007KT 6000 FEW020 26/20 Q1012 NOSIG=
SA	23/02/2015 13:10->	METAR VOMM 231310Z 09007KT 6000 FEW020 27/20 Q1012 NOSIG=
SA	23/02/2015 13:05->	METAR VOMM NIL=
SA	23/02/2015 12:40->	METAR VOMM 231240Z 07007KT 6000 NSC 27/20 Q1012 NOSIG=
SA	23/02/2015 12:30->	METAR VOMM NIL=
SA	23/02/2015 12:10->	METAR VOMM 231210Z 08007KT 6000 NSC 28/19 Q1012 NOSIG=
SA	23/02/2015 12:05->	METAR VOMM NIL=

#Mumbai - SantaCruz - Today records a super #HOT day temperature of 38.3 C... http://ow.ly/i/8JrKM