RMC Guwahati

Guwahati: The Regional Meteorological Centre in Guwahati has chalked up plans to provide more and better weather forecasting services for the people.

Regional Meteorological Centre (RMC) Guwahati is celebrating 25 years of service on April 1. It was established on April 1, 1997, by upgrading the Meteorological Centre to cater for the meteorological services to the northeastern states.

An RMC official said there has been an improvement in weather forecast accuracy. Citing an instance, an RMC official said the probability of detection for heavy rainfall warning with 24-hr, 48-hr, 72-hr, 96-hr and 120-hr lead periods are 83%, 74%, 67%, 61% and 55% respectively in 2021. Secondly, the probability of detection for thunderstorm warning with a 24-hr lead period from March to June in the NE region is 93% in 2021 against 68% in 2020.

It has also enhanced its weather forecasting services and is now providing Urban Metrological Services for Guwahati city and its neighbourhood by issuing 7 days forecasts and nowcast at multiple locations in and around Guwahati city.

It has recently installed 15 automatic rain gauges in and around Guwahati city for monitoring rainfall distribution and intensity.

Five seismological observatories have been commissioned recently for real-time monitoring of earthquakes.

The weather office now issues a 24X7 nowcast every three hours with 3 hours validity for 78 important locations. It also provides three hourly nowcast warnings for 24X7 nowcast with 3 hours validity of severe weather for all 112 districts of the NE region.

It provides impact based multi-hazard weather forecast and risk-based warnings valid for the next five days extended to the entire north-eastern region for all types of severe weather in the major cities and all districts of the region.

GIS-based weather forecasts are generated for city weather, district-level forecast and warnings, state-level forecast and warnings, rainfall analysis maps and quantitative precipitation forecasts and other observation-based products.

One of the plans is the commissioning of Aviation Weather Observing Systems to all Heliport stations of NE India for unmanned and safety of landing in the hilly terrain of the NE region.

Another plan is the installation of 40 automatic weather stations in Arunachal Pradesh and the expansion of the automatic weather stations network for better monitoring and capturing of all-weather events.

“The Automatic Rain Gauge network will be expanded to Agartala, Shillong, Itanagar and other developing cities of NE India for real-time monitoring of the special distribution of rain at these cities,” the official said.

Eight X-Band Doppler Weather Radars in seven states of NE India are being installed.

It also provides outreach services by organising aviation weather workshops organised by service providers and arranging training programmes for progressive farmers. 

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