Low Pressure Churns in Bay.. 19 to 25 Heavy rain Alert for TN ?

16.12.2022

#98B Circulation Lies near Equatorial Intensified in to a LPA & Still not moving much because of Equatorial Effects. Another Circulation over in SH is consolidating Is also a Reason. Slowly it will consolidate & intensify in to WML with dual Circulation it will reach Srilanka by 18th.Expected WD impact will impact the System movement & Rainfall Impacts increase in Tamilnadu.

Remnant of CycloneMandus is Developed DD & Weaken in to D in Arabian sea & moving NW to Central Arabian Sea. Further it will dissipate in open waters itself. Moving Away from India which will reduce its rain impact & Dry air IS coming to southern Peninsula Influence of Central India HPA.It will impact Reduce in Rainfall Activity for next 3 to 4 days.

Todays Rainfall Estimate

Favourable MJO in Phase 2-3 & Equatorial Rosby Wave impact There is two circulations in bob and SH (Indian Ocan ) has formed.For Some time to consolidate the BOB Low Pressure area to move from Equatorial Waters then it will concentrate in to Welmarked Low to move Srilanka & GOM.Overall Ocean waves support the Upcoming Rains will start from 19th and will continue up to 26th.Ghat areas Like Yelagiri,Yercaud,Ooty,Valparai & Kodaikanal Especially eastern Slope Hills are most vulnerable due to trapped moisture.Heavy to Very Heavy Rains are Expected.So request you to postpoone your vocation plance after Chritsmas.

Upcoming System initiallly will give good rains to South TN & then it will enhance the rainfall activity across the North TN coast Chennai to Delta.Especially Pondy to Delta will get most of the good spells and its in due.Chennai KTCC will get some good rains as well.Further updates will post soon.Stay tune with us.