Upper air circulation & 'MINDULLE"

What you see in this left is an extended aviation chart for Flight level 050 [5000 ft]. It clearly shows circulation at 850 hPa level in WC Bay and Adjoining SW bay i.e say between Chennai and Machilipattinam and it extends upto Head Bay. [But a separate LOW near head bay is also depicted.]

It will bring rainfall in North Coastal Tamilnadu, Coastal AP, Orissa etc in next one day or two.

The other chart depicts the formation of Tropical Storm 'MINDULLE'. [16.7 Deg North / 109.2 Deg East] It is moving in WNW direction. When it reaches Indian latitude it may influence the system in the Head Bay. We will wait and see.

Incessant rains have lashed Delhi for the past five days ... http://ow.ly/2toiw

Flood threat in Delhi as Yamuna breaches danger mark ... http://ow.ly/2tofW

Yamuna flows above danger mark, over 900 evacuated ... http://ow.ly/2toeC

Rainfall for N.Tamilnadu and Andhra coast to continue till 27-Aug, as the Bay Low will come close to N. Andhra coast.. http://ow.ly/i/3n3S

6:30pm, Heavy showers over Bihar, U.P, Jharkand and Bengal ... http://ow.ly/i/3n2x

Chennai - More heavy showers predicted for Chennai tomorrow as well.. as the Low circulation nears S. Andhra coast.. http://ow.ly/i/3n3F

Chennai - Southern suburbs of chennai experienced 2 massive thunder storms from 2pm to 5pm.

Present Heavy showers are due to a Low & high level circulation over W.central Bay East of Chennai ... http://ow.ly/i/3n3b

6:30pm, Heavy showers over N. & N-E Tamilnadu, S. Andhra, E.central Karnataka... http://ow.ly/i/3n2x

RT @joesat: Started raining heavy at adayar by 4pm. And traffic to be heavy as soon as it stops raining @weatherofindia

RT @joesat: Incessant rains continue till 1 am at palavakkam @weatherofindia if this continues likely inundation of low lying areas tomorrow

9:30am, central Tamilnadu coast, S-W & S-Central Bay is active .. more showers expected for Chennai after 12pm... http://ow.ly/i/3mFD