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                                                                                                         2018 06 22

  FOR WEATHER INFORMATION OVER PHONE          

          

TOLL FREE NUMBER 1800 180 1717       Phone: 04712322330  

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District Rainfall Forecast For Kerala and Lakshadweep  

Quotations for the supply of hydrogen gas at Meteorological Centre, Thiruvananthapuram  

PERFORMANCE OF SOUTH WEST MONSOON 2018 OVER KERALA  

Today's Weather  

Temperature Anomalies over Kerala & Lakshadweep   

Realized 24 Hour Rainfall over Kerala (Archive)  

Total Rainfall over Kerala during Jan, Feb, Mar, Apr, & May 2018

Instructions for making payment for supply of Meteorological Data

Second Stage Long Range Forecast for the 2018 Southwest Monsoon Rainfall  

Radar Images and Products from DWR TRV & DWR Kochi   

Meteogram of Thiruvananthapuram, Kochi  & Kozhikode 

T-PHI gram of Thiruvananthapuram, Kochi  & Kozhikode

 

Heavy Rainfall Warning: 

 

Heavy  rainfall (7-11cm in 24 hours) is most likely to occur at one or two places on 22nd, 23rd  & 24th June  and Heavy (7-11 cm in 24 hours) to very heavy (12-20cm in 24 hrs) rainfall is most likely to occur at one or two places in Kerala on 25th  & 26th June 2018.

 

Heavy  rainfall (7-11cm in 24 hours) is most likely to occur at one or two places in Lakshadweep on 22nd & 23rd June 2018.

 

Fishermen Warning for Kerala coast and over Lakshadweep area   

(For next 24 hours valid from 1400 Hours IST of 22nd June 2018)  

Strong winds from Westerly direction speed reaching 35-45 kmph gusting to 55 kmph likely along and off Kerala coast and over Lakshadweep area.   Sea condition is likely to be moderate to rough off Kerala-Karnataka coasts and over Lakshadweep area. High wave in the range of 3.0 to 3.6 meter (over Lakshadweep area) and in the range of 3.0 to 3.5 meter (over Kerala coast) are also likely. Fishermen are advised not to venture into sea along and off Kerala coast and over Lakshadweep area.

 

 




NOWCAST: 22.06.2018


Time of issue 1300 IST (Valid for next 3 hours): 

Thunderstorm accompanied with gusty winds likely to affect Kollam , Pathanamthitta & Kottayam districts.

 

 

 

 

 

 

 

Meteorological Centre, Thiruvananthapuram

Meteorological Centre, Trivandrum

METEOROLOGICAL CENTRE, Thiruvananthapuram caters to the  meteorological requirements of Kerala state and Lakshadweep Islands by  supervising and coordinating the weather services in the state.  Weather forecast (both aviation and non-aviation)  for optimum operation of weather sensitive activities like agriculture, irrigation, aviation etc. and   warnings against severe weather phenomena  (over the state and nearby sea area)  like heavy rains, thunderstorm, strong winds etc., which cause destruction to life and property  are rendered by this centre under the technical advice of Area Cyclone Warning Centre of Regional Meteorological Centre at Chennai. Necessary Meteorological services for air navigation, towards the safety of aircraft operation in the state, is provided by Airport Meteorological Office - the Aviation section of this office.

The Challenging task of  Weather forecasting is done effectively by taking meteorological observations (both at surface and in upper air) through about 16 observatories and about 79 raingauge stations all over the state and Lakshadweep Islands.  10 Surface observatories are maintained by IMD and the Part-time observatories and raingauge stations are located in the premises of State  Government Offices,  Railways and other organisations. The raingauge stations are maintained under District-wise Rainfall Monitoring Scheme (DRMS).   Accuracy of meteorological observations is ensured by periodical inspection of observatories and raingauge stations by this Centre.  Calibration of all instruments at observatories are checked at least once in two years. 15 automatic weather stations in Kerala and one in Lakshadweep Islands.  30 automatic raingauge stations in Kerala. The transmission of hourly data to HQ is carried out automatically through INSAT are also maintained by this office. 

8 synoptic surface observations at 3 hourly interval starting from 00 UTC and 2  upper air observations (00 & 12 hrs UTC) using hydrogen filled balloon bound radiosonde/ GPS sonde with meteorological sensors and 2 pilot balloon observations at 06 & 18 hrs. UTC  are taken by this office.  Continuous watch over weather events is effected through different self recording surface met. instruments.  The observational data of the above stations is collected  and transmitted along with the observations taken at this office immediately at each synoptic hour,  to our HQ at New Delhi through different modes of communication. HQ re-transmits the data pertaining to India and neighbouring countries to individual observatories.  Based on these data, plotting of surface and upper air charts are done.  Issue of daily weather forecast and severe weather warnings are done on the basis of the analysed weather charts and satellite imagery.

Agromet Advisory Unit is regularly issuing Agromet Advisory Bulletins twice a week for the benefit of the farming community in the state. Weather forecast, warnings and agromet bulletin are broadcast through AIR and Doordarshan.   

Continuous monitoring of earthquake is done by state of the art instruments.  Continuous monitoring of surface ozone,  measurement of solar & terrestrial radiation and recording of atmospheric electricity form some routine activities of this office.  Vertical distribution of atmospheric ozone is measured fortnightly by Ozonesonde ascents. 

Climatology section undertake the scrutiny and archival of meteorological data and use such data over a number of years for answering various weather related enquiries from different users for research and planning purposes.