Friday, April 22, 2011

Heavy RF over WNW part of Tamilnadu

The upper air profiles of some 35 stations were analysed by one of our experts. It has indicated a wind convergence zone near WNW part of Tamilnadu. It is evident from the realised rainfall too.
Now also it indicated cyclonic like circulation perhaps with centre like region over those part. [22042011/2045 hrs IST].
There may be heavy wind and very heavy rainfall in those regions[Salem, Dharmapuri, Namakkal,Krishnagiri etc] .
RT @theblacksuits: @mebemit :p RT @scaryhairyman: the vit subway flooded :) rain Vellore
RT @kjdevasia: Torrential rain in Kerala (6:02pm)
RT @theblacksuits: @mebemit :-)RT @scaryhairyman: rain rain in Vellore :D (5:51pm)
Chennai - Getting heavily clouded over S,S-W, W suburbs ... Get ready for Showers in another max 1 hr.
4pm, Heavy T.showers over entire W.ghats of Kerala, S. Kerala, Nilgiris, S. Karnataka, N,N-E Tamilnadu, S. Andhra ...
RT @flashchemist: This rain in heavier then what I saw in kerala last week. Wow! (4:50pm)
RT @asury: @weatherofindia bangalore rain. Now it heavier and steady" (4:46pm)
Chennai - Heavily cloudy over S, S-W, W suburbs of Chennai . Showers expected in another 1.5 hrs
RT @asury: @weatherofindia "Drizzling started in bangalore" (4:42pm)
RT @chennaiweather: Heavy rain in Vellore. Chennai will get Thunderstorm rain tonight (3:59pm)
Present Rain in Nilgiris may benefit tea plantations ...
On 21-Apr, Marandahalli (Dharmapuri dt.) records 10 cm ...

IMD : Weather report till 8:30am of 22-Apr-2011

Rainfall occurred at many places over Kerala and Coastal Karnataka and at a few places over Tamil Nadu, and  South interior Karnataka. Isolated rainfall occurred over Rayalaseema and Lakshadweep and dry weather prevailed over Coastal Andhra Pradesh, Telangana and North interior Karnataka.

            The following stations recorded heavy rainfall in centimetres:
            Marandahalli (Dharmapuri dt.) 10, Kozhikode Airport 9, Rayakottah (Krishnagiri dt.) and Kudulu (Kasargode dt.) 8 each and Coonoor 7.

            The other chief amounts of rainfall recorded in centimetres are:
Aminidivi 6, Pattukottai (Thanjavur dt.) , Shenkottah and Tenkasi (both Tirunelveli dt.) and Karur 5 each, Ayikudi (Tirunelveli dt.), Kundhabridge (Nilgiris dt.), Peraiyur and Tirumangalam (both Madurai dt.), Bajpe, Panambur, H.D.Kote (Mysore dt.) and Punalur 4 each, Chidambaram (Cuddalore dt.), Pudukottai, Palacode (Dharmapuri dt.), Aravakurichi and Mayanur (both Karur dt.), Marungapuri and Samayapuram (both Tiruchirapalli dt.), Bhagamandala (Kodagu dt.), Bangarpet (Kolar dt.), Srirangapatnam (Mandya dt.), Sarguru (Mysore dt.), Vadakara (Kozhikode dt.), Chittur (Palakkad dt.) and Aryankavu (Kollam dt.) 3 each, Mulanur (Tirupur dt.), Peravurani (Thanjavur dt.), Alangudi (Pudukottai dt.), Denkanikottai (Krishnagiri dt.), Perambalur, Thuraiyur (Tiruchirapalli dt.), Chittampatti and Mettupatti (both Madurai dt.) Andipatti and Periyar Dam (both Theni dt.), Mangalore, Mani, Puttur and Mudibidre (all Dakshina Kannada dt.), Somwarpet and Virajpet (both Kodagu dt.), Perinthalmanna and Angadipuram (both Malapuram dt.), Ottapalam and Pattambi (both Palakkad dt.), Kunnamkulam (Thrissur dt.), Kollam, Varkala (Thiruvananthapuram dt.) and Porumamilla (Cudappah dt.) 2 each and Mudukur (Thanjavur dt.), Arantangi and Perungallur (both Pudukottai dt.), Sivagiri (Tirunelveli dt.), Kanyakumari, Pechiparai (Kanyakumari dt.), Arakonam (Vellore dt.), Vellore , Anchetty (Krishnagiri dt.), Dharmapuri, Thammanpatti (Salem dt.), Valparai, Kothagiri (Nilgiris dt.), Vembavur (Perambalur dt.), Musiri (Tiruchirapalli dt.), Mettupalayam (Coimbatore dt.), Melur (Madurai dt.), Theni and Nilakottai (Dimdigul dt.), Udupi, Anekal (Bangalore Urban dt.), C.R.Patna (Hassan dt.), Harangi, Napoklu and Poonampet (all Kodagu dt.), Madikere, Malur (Kolar dt.), Mysore, Nanjangud (Mysore dt.), Kannur, Quilandy (Kozhikode dt.), Thrithala (Palakkad dt.), Chengannur (Alapuzha dt.), Thiruvananthapuram Airport and Chittoor 1 each.

            On Wednesday, the maximum temperature fell appreciably to markedly at many places Telangana, North interior Karnataka, fell appreciably at one or two places over Rayalaseema, South interior Karnataka, fell at one or two places over rest North interior Karnataka, Coastal Andhra Pradesh, North Tamil Nadu and changed little elsewhere over the region.
             They were appreciably to markedly below normal at many places over Telangana , at a few places over North interior Karnataka, appreciably below normal at one or two places over North Tamil Nadu, below normal at few places over rest North interior Karnataka, at one or two places over South interior Karnataka, rest North Tamil Nadu, appreciably above normal at one or two places over Coastal Karnataka, above normal at a few places over rest Tamil Nadu, above normal at one or two places over rest Coastal Karnataka, Kerala and North Coastal Andhra Pradesh and were generally normal over the rest of the region.
             Tirupathi Airport, Rentachintala and Adilabad recorded the highest maximum temperature of 40 degree Celsius in the region.
The circulation will move in N-E direction into S. Kerala, eventually into Tamilnadu and will cross over Chennai on 26 / 27-Apr.
IMD models show a Circulation and a trough present over S-E Arabian sea ..
Chennai - Heavy droplets falling now 2:53pm over Pammal, Polichalur.
Next W.D for N-W India and Kashmir may start from 28-Apr.
Heavy showers forecast for Nilgiris, central and S-E Tamilnadu coast till 25-Apr.
Take a look at the vertical velocity along Chennai coast ..
Today's analysis show.. vertical velocity along N. Tamilnadu coast and S. coastal Andhra are high . surely this will produce heavy T.showers
2pm, S-E Bay just S-W of Kerala tip is very active, T.cells visible over Nilgiris, S, S-E Tamilnadu ... .
Chennai - now 2:46pm getting cloudy ... seems to be a T.cell forming right over S,S-W Chennai... Expect heavy rain soon.
2pm, Thunder showers lining up from N.central Tamilnadu to S. Coastal Andhra .. Chennai will soon have a T.shower ...
RT @gokz87: Yay! Finally its Drizzling in Pondicherry!! @weatherofindia (2:02pm)
Chennai - after overnight rain now 10.18am it's 90percent clear with no wind and humidity is very high. More showers before evening!