Firstpost
  • Home
  • Video Shows
    Vantage Firstpost America Firstpost Africa First Sports
  • World
    US News
  • Explainers
  • News
    India Opinion Cricket Tech Entertainment Sports Health Photostories
  • Asia Cup 2025
Apple Incorporated Modi ji Justin Trudeau Trending

Sections

  • Home
  • Live TV
  • Videos
  • Shows
  • World
  • India
  • Explainers
  • Opinion
  • Sports
  • Cricket
  • Health
  • Tech/Auto
  • Entertainment
  • Web Stories
  • Business
  • Impact Shorts

Shows

  • Vantage
  • Firstpost America
  • Firstpost Africa
  • First Sports
  • Fast and Factual
  • Between The Lines
  • Flashback
  • Live TV

Events

  • Raisina Dialogue
  • Independence Day
  • Champions Trophy
  • Delhi Elections 2025
  • Budget 2025
  • US Elections 2024
  • Firstpost Defence Summit
Trending:
  • Nepal protests
  • Nepal Protests Live
  • Vice-presidential elections
  • iPhone 17
  • IND vs PAK cricket
  • Israel-Hamas war
fp-logo
Predicting weather is hard: A brief history of the National Center for Medium-Range Weather Forecasting
Whatsapp Facebook Twitter
Whatsapp Facebook Twitter
Apple Incorporated Modi ji Justin Trudeau Trending

Sections

  • Home
  • Live TV
  • Videos
  • Shows
  • World
  • India
  • Explainers
  • Opinion
  • Sports
  • Cricket
  • Health
  • Tech/Auto
  • Entertainment
  • Web Stories
  • Business
  • Impact Shorts

Shows

  • Vantage
  • Firstpost America
  • Firstpost Africa
  • First Sports
  • Fast and Factual
  • Between The Lines
  • Flashback
  • Live TV

Events

  • Raisina Dialogue
  • Independence Day
  • Champions Trophy
  • Delhi Elections 2025
  • Budget 2025
  • US Elections 2024
  • Firstpost Defence Summit
  • Home
  • Tech
  • science
  • Predicting weather is hard: A brief history of the National Center for Medium-Range Weather Forecasting

Predicting weather is hard: A brief history of the National Center for Medium-Range Weather Forecasting

Raghu Murtugudde • July 8, 2019, 17:53:51 IST
Whatsapp Facebook Twitter

NCMWRF, founded in the 20th century, was among the first Indian institutions to acquire a supercomputer, in 1989.

Advertisement
Subscribe Join Us
Add as a preferred source on Google
Prefer
Firstpost
On
Google
Predicting weather is hard: A brief history of the National Center for Medium-Range Weather Forecasting

Everybody understands what forecasting the weather means. However, few know that weather is split into short — over one to three days and medium — over three to ten days range forecasting. There’s another category of predictions, of climate, that are done for seasons, years or longer. The gap between ‘weather’ and ‘climate’ is bridged by so-called extended-range forecasting, that is over two to four weeks. Irrespective at what range the predictions are being made over, they depend on how predictable the weather-climate system is over those particular timescales. Where do the predictabilities come from? Tomorrow’s weather depends on today’s weather because it grows from the weather conditions that exist today – today’s temperature, winds, humidity, etc. Making weather predictions for tomorrow and the next few days critically depends on specifying today’s weather in the weather forecast model. Satellites, weather stations, weather balloons, and ocean buoys provide today’s weather data for making the predictions for the next few days. A weather forecasting centre receives terabytes of such data each day to initiate its weather forecasts which must be quality controlled by the forecasting centre. [caption id=“attachment_6583771” align=“alignnone” width=“1280”]Cyclone Fani as seen by the Japanese Himawari 8 satellite. Image: Twitter/Hiren Jethva Cyclone Fani as seen by the Japanese Himawari 8 satellite. Image: Twitter/Hiren Jethva[/caption] Because the relations between temperature and humidity are exponential, weather can rapidly go in different directions – from dry to wet or heavy rains and from heavy rains to sunny in just a few hours to a day or two. This is especially true for the Tropics, where warm land and oceans can pump massive amounts of moisture into the atmosphere which can condense and produce rain amounts as high as 375 mm in a 24 hour period as was seen over Mumbai on 1 July 2019. This makes weather forecasting a challenge for countries like India.

A brief history of the NCMRWF

It is the National Center for Medium-Range Weather Forecasting or NCMRWF that carries out weather forecasting as well as all the related weather services for the country. Here is a brief history of how NCMRWF came about. Meteorological activities in India started as early as 1802 when the East India Company established the first observatory in Madras. Recording of meteorological observations grew continuously in the following decades and by 1875, the India Meteorology Department or the famed IMD was established. It systematised the process of observing and predicting weather and climate with the aim of guiding agricultural activities. Failed monsoons and associated famines in the third quarter of the 19th century and the first quarter of the 20th century underscored the need to modernise India’s agriculture. This led to the establishment of the Imperial Council of Agricultural Research in 1927 which is now the Indian Council of Agricultural Research. IMD initiated an Agricultural Meteorology program as well. IMD runs its own training courses for many decades but mostly focused on empirical weather forecasting and observational methodologies. Weather prediction efforts in the US and Europe were evolving constantly from the early 20th century but mostly as statistical or empirical forecasts. After the end of World War II, demands from aviation and other sectors and the invention of mainframe computers led to early Numerical Weather Prediction models (NWPs). NWPs are much more accurate than empirical forecasts. India was seeing substantial success in its Green Revolution in the 1960s and 70s but the negative impact of drought on agricultural production was still disheartening. India began to recognise the need for its own NWP in the 1970s. After various expert consultation processes, NCMRWF was officially set up in 1988. [caption id=“attachment_6956141” align=“alignnone” width=“1280”]Predictions for rainfall in the next 24 hours. Image credit: NCMRWF Predictions for rainfall in the next 24 hours. Image credit: NCMRWF[/caption] The expert panel called for the establishment of a medium-range forecasting centre, mainly to address the needs of farmer’s operations. The already existing network of  Agro-meteorological  Field  Units (AMFUs) made up of clusters of districts based on homogeneous agro-meteorological conditions was designated as the target for prediction efforts. Weather forecasts of three to ten days were the prescribed goal with a recommendation for the acquisition of necessary computers.  Agricultural Advisory  Service  (AAS)  was formulated which would serve AMFUs in collaboration with agronomists from state agricultural universities.

NCMRWF’s role in forecasting today

NCMRWF is based in Noida designates itself a Centre of Excellence in Weather and Climate Modelling under the Ministry of Earth  Sciences.  The stated mission is to continuously develop advanced numerical weather prediction systems, with increased reliability and accuracy over India and neighbouring regions through research, development and demonstration of new and novel applications,  maintaining the highest level of knowledge, skills and technical bases. It has implemented and performed timely upgrades of a global  NWP  system to routinely issue agro advisories to farming communities across the country.  Operational advisories are issued by IMD. NCMRWF  is also responsible for providing customized weather forecasts for various other socio-economic sectors of the country such as energy, health, sports and tourism. [caption id=“attachment_4343149” align=“alignnone” width=“1280”]Representational image Representational image[/caption] NCMWRF acquired its first supercomputer in 1989 but the facilities have been updated several times since. Globally, coupled ocean-atmosphere models acquired from the European Union is employed for issuing sector-specific forecasts at various spatial scales ranging from tens of kilometres to tens of meters. To minimise the intrinsically-chaotic nature of weather forecasts, multiple model integrations are performed to increase the accuracy of the forecasts for rainfall including heavy rain events that **caused devastating floods such as the 2018 Kerala floods** . NCMRWF also deserves kudos for the accurate forecasts of cyclone tracks which save lakhs of lives when combined with advisories and organised evacuations. Their activities are performed as four major projects; Numerical Modelling of Weather and Climate (NMWC), Modelling of Changing Water Cycle and Climate (MCWCC), Development of High Impact Severe Weather Forecasting System (DSWFS), BIMSTEC Centre for Weather and Climate (BCWC). NCMWRF continues to handle an ever-increasing volume of data thanks to the deployment of in situ and remote sensing platforms and also continues to increase the resolution of its suite of models to deliver weather forecasts at higher and higher accuracy and spatial scales. Floods, droughts, extreme events and the vagaries of the monsoon cost India billions of dollars per year. The investments in the computational and human resources NCMRWF save life, property and infrastructure by performing weather predictions day-in-day-out in service of the country.

Tags
history Madras Floods Weather Climate East India Company Droughts Rains observatory Weather forecasting IMC Fpedia Extreme Weather Events National Center for Medium Range Weather Forecasting weather forecasting history NWPs Numerical Weather Prediction models remote sensing platforms
End of Article
Latest News
Find us on YouTube
Subscribe
End of Article

Top Stories

Israel targets top Hamas leaders in Doha; Qatar, Iran condemn strike as violation of sovereignty

Israel targets top Hamas leaders in Doha; Qatar, Iran condemn strike as violation of sovereignty

Nepal: Oli to continue until new PM is sworn in, nation on edge as all branches of govt torched

Nepal: Oli to continue until new PM is sworn in, nation on edge as all branches of govt torched

Who is CP Radhakrishnan, India's next vice-president?

Who is CP Radhakrishnan, India's next vice-president?

Israel informed US ahead of strikes on Hamas leaders in Doha, says White House

Israel informed US ahead of strikes on Hamas leaders in Doha, says White House

Israel targets top Hamas leaders in Doha; Qatar, Iran condemn strike as violation of sovereignty

Israel targets top Hamas leaders in Doha; Qatar, Iran condemn strike as violation of sovereignty

Nepal: Oli to continue until new PM is sworn in, nation on edge as all branches of govt torched

Nepal: Oli to continue until new PM is sworn in, nation on edge as all branches of govt torched

Who is CP Radhakrishnan, India's next vice-president?

Who is CP Radhakrishnan, India's next vice-president?

Israel informed US ahead of strikes on Hamas leaders in Doha, says White House

Israel informed US ahead of strikes on Hamas leaders in Doha, says White House

Top Shows

Vantage Firstpost America Firstpost Africa First Sports
Latest News About Firstpost
Most Searched Categories
  • Web Stories
  • World
  • India
  • Explainers
  • Opinion
  • Sports
  • Cricket
  • Tech/Auto
  • Entertainment
  • IPL 2025
NETWORK18 SITES
  • News18
  • Money Control
  • CNBC TV18
  • Forbes India
  • Advertise with us
  • Sitemap
Firstpost Logo

is on YouTube

Subscribe Now

Copyright @ 2024. Firstpost - All Rights Reserved

About Us Contact Us Privacy Policy Cookie Policy Terms Of Use
Home Video Shorts Live TV