IMD Dedicates Cyclone Warning and Marine Weather Services Decision Support System to the Nation on 12th October, 2026

1. At a Glance

• What it is: The India Meteorological Department (IMD) has launched an interactive WebGIS-based Decision Support System (DSS). It brings cyclone and marine weather information together on one public platform: tracks, intensity, wind, rainfall, storm surge and rainfall forecasts for river catchments [1].
• Why it matters: It shifts IMD's role from issuing forecasts to supporting decisions on the ground. In IMD's words, it aims to "bridge the gap between weather forecasts and their practical use" for disaster managers, government agencies and the public [1].
• UPSC relevance: It is a GS-III topic on disaster management and S&T, with Prelims hooks on IMD, RSMC New Delhi, WMO and the Phailin/Hudhud anniversaries [1][2].

2. Why in the News

• IMD dedicated the DSS to the nation on 12 October 2026, during the bi-annual Pre-Cyclone Exercise Meeting for the post-monsoon season (Oct–Dec) [1].
• Chair: Dr Mrutyunjay Mohapatra, Director General of Meteorology (IMD) and 3rd Vice-President of WMO [1].
• Why this date: VSCS Phailin crossed the coast on 12 Oct 2013 and VSCS Hudhud on 12 Oct 2014. IMD predicted both successfully, which earned India international recognition for its early warnings [1].

3. Background & Evolution

• 1 July 1988: RMC New Delhi was redesignated as RSMC – Tropical Cyclones, New Delhi under WMO [2].
• 2008 onwards: IMD has held the Pre-Cyclone Exercise Meeting twice a year since 2008 [1].
• 2013 (Phailin) and 2014 (Hudhud): Both forecasts were landmark successes. For Hudhud, IMD gave hourly updates to national and state disaster managers on landfall day and ran the HWRF model at 3 km resolution [1][7].
• Earlier initiatives:
• NDMA built the Web-DCRA (Web-based Dynamic Composite Risk Atlas) under the National Cyclone Risk Mitigation Project (NCRMP). It gives location-specific forecasting and is available to district disaster managers [4].

• An MoES release credits an indigenous DSS with improving the accuracy of cyclone risk forecasting by more than 50% over the previous decade [4].

• 2025: A Parliament reply describes an end-to-end GIS-based DSS built by IMD with other MoES centres. It serves as the "front end" of the early warning systems and has modules for impact-based warnings on cyclones and heavy rain [3].

• April 2026: The previous Pre-Cyclone Exercise Meeting was held. The October 2026 meeting reviewed the Action Taken Report on its recommendations [1].
• 12 Oct 2026: The public Cyclone & Marine DSS was launched [1].

4. Core Static Facts

Item	Fact
Platform	Interactive WebGIS-based DSS [1]
URL	dss.imd.gov.in/dwr_img/GIS/marine.php; also linked from mausam.imd.gov.in and rsmcnewdelhi.imd.gov.in [1]
Implementing body	IMD, under the Ministry of Earth Sciences [1]
Parameters shown	Observed and forecast track and intensity, cone of uncertainty, wind distribution, storm surge, district-wise rainfall warnings, rainfall forecasts for river catchments [1]
Target users	Disaster management authorities, government agencies, general public [1]
Launch forum	Bi-annual Pre-Cyclone Exercise Meeting, held since 2008 [1]
Participation	30+ organisations, about 230 participants (180 online, 50 in person) [1]
Key participants	NDMA, NDRF, MHA, Indian Navy, IAF, Indian Coast Guard, CWC, PIB, SDMAs, fisheries departments, NCMRWF, IIT, MoPSW, Ministry of Heavy Industries, Department of Consumer Affairs, DGLL [1]
RSMC New Delhi	Designated 1 July 1988. Covers the WMO/ESCAP Panel region around the Bay of Bengal and Arabian Sea and keeps a 24×7 watch over the North Indian Ocean [2]
Panel countries advised	Bangladesh, Maldives, Myanmar, Oman, Pakistan, Sri Lanka, Thailand [2]
RSMC products	Tropical Weather Outlook daily at 0600 UTC (plus 1700 UTC if needed); cyclone advisories 8 times a day; storm surge advisories [2]

5. Multi-Dimensional Analysis

Scientific / Technological

• GIS layers put hazards (track, wind, surge, rain) on top of geography, which makes forecasts location-specific [1].
• Showing the cone of uncertainty tells users how uncertain the forecast is, not just a single deterministic track [1].
• It continues IMD's work on numerical models such as high-resolution HWRF [7].

Administrative / Governance

• One platform replaces scattered bulletins, which cuts the time between a warning and action by DDMAs, SDMAs and NDRF [1].
• The bi-annual exercise and its Action Taken Report create a regular feedback and accountability loop between IMD and user agencies [1].
• Showing rainfall at the district level matches the district as the operational unit under India's DM framework [1].

Social

• Opening it to the general public and fisheries departments widens access for fishers and coastal communities, who are the most exposed to marine hazards [1].
• WMO credits India's early warning systems with significantly reducing cyclone casualties [6].

Economic

• Ports, shipping and lighthouse bodies (MoPSW, DGLL) took part, showing the platform's value for maritime trade and the Blue Economy [1].
• Rainfall forecasts for river catchments help CWC manage floods and reservoirs [1].

Geopolitical / Strategic

• RSMC New Delhi serves 7 Panel countries, so improvements in IMD products also benefit neighbours [2].
• For example, IMD's warnings for Cyclone Mocha (2023) triggered community action in Bangladesh and Myanmar [6].
• India's leadership roles at WMO (3rd Vice-President, Permanent Representative) add to its soft power [5].

6. Recent Developments (last 12–18 months)

• 6 Jun 2025: Dr M. Mohapatra won the individual category of the 2025 UN Sasakawa Award for Disaster Risk Reduction, announced at the Global Platform for DRR [6].
• 2025: A Parliament reply confirmed IMD's GIS-based DSS as the front end of its early warning system [3].
• Apr 2026: Pre-Cyclone Exercise Meeting for the pre-monsoon season [1].
• 12 Oct 2026: The public Cyclone & Marine DSS was launched with a live demonstration and stakeholder feedback [1].

7. Prelims Hooks

• The DSS was dedicated by IMD (Ministry of Earth Sciences) on 12 Oct 2026 [1].
• It is a WebGIS-based platform hosted on IMD and RSMC New Delhi websites [1].
• It shows the cone of uncertainty, storm surge and district-wise rainfall warnings [1].
• IMD has held the Pre-Cyclone Exercise Meeting twice a year since 2008 [1].
• The October meeting covers the post-monsoon season (Oct–Dec) [1].
• VSCS Phailin crossed the coast on 12 Oct 2013; VSCS Hudhud on 12 Oct 2014 [1].
• RMC New Delhi became RSMC – Tropical Cyclones, New Delhi on 1 July 1988 [2].
• RSMC New Delhi issues cyclone advisories to Panel countries 8 times a day [2].
• WMO/ESCAP Panel countries served include Oman, Thailand and Maldives, not only SAARC members [2].
• Dr Mohapatra was elected WMO 3rd Vice-President by the 19th World Meteorological Congress (2023) for a four-year term [5].
• He won the 2025 UN Sasakawa Award for DRR (individual category) [6].
• Web-DCRA was developed by NDMA (not IMD) under NCRMP [4].
• Hudhud forecasting used the HWRF model at 3 km resolution [7].

8. Why a Better Map Does Not Yet Reach the Fisher at Sea

• The DSS is a website, but the people most at risk are often offline
• The DSS is a WebGIS platform (a map on a website with layers you can switch on and off) [1].
• To use it, you need an internet connection, a screen and the skill to read a map.
• Deep-sea fishers have none of these at sea. They get warnings another way: All India Radio broadcasts, SMS through the INCOIS network, and NAViC (India's own satellite navigation system) [8].

• So the new platform mainly helps officials. It does not by itself change what reaches a boat.

• The government itself says the last mile is still weak

• The "last mile" means the final step, when a warning actually reaches the person in danger.
• In a reply to Parliament, the government said a reliable last-mile system still needs better mobile and digital connectivity, local sirens, more public awareness and better satellite communication for fishers [8].

• This is an official admission. It is not just outside criticism.

• The money to fix dissemination came earlier, under a different body

• NCRMP Phase I (₹1,496.71 crore, with World Bank help, in Andhra Pradesh and Odisha) had one main aim: improve early warning dissemination to coastal communities [12].
• Dissemination means spreading the warning out to people.
• So two tasks sit with two different bodies. IMD makes the forecast. NDMA and the states carry it to people. The DSS improves the first task. The second task decides whether lives are saved.

9. Showing the Storm Is Not the Same as Showing the Damage

• Most layers listed in the DSS show the hazard, not the harm
• Track, intensity, wind, storm surge and rainfall all describe the storm itself [1].
• Impact-based forecasting goes one step further. It tells you what the weather will do: which villages flood, which kutcha houses fall, which roads close.

• To do that, you must add two more things to the hazard:

  • exposure (who and what is in the storm's path)
  • vulnerability (how easily those people and buildings get hurt).

• Getting that people-and-buildings data is the hard part everywhere

• Worldwide, only 56% of countries use hazard, exposure and vulnerability data together in their forecasts. WMO says this slows down impact-based warnings [9].
• India already has some of this data. NDMA's Web-DCRA, a risk atlas, maps location-wise risk for district managers [4].
• But Web-DCRA belongs to NDMA and the DSS belongs to IMD [1][4]. The sources do not say the two are joined.

• If they are not joined, a district officer during a cyclone has to open two separate tools and combine them by hand.

• A district-level warning is still large compared with a village

• The DSS gives district-wise rainfall warnings [1].
• A coastal district can have both safe areas inland and low-lying villages that flood.
• Evacuation decisions are made village by village. So the district warning still has to be broken down locally, and that step depends on the DDMA (District Disaster Management Authority).

10. Where India Stands Against the Rest of the World

• India is ahead of most WMO members, so this is not a catch-up story
• Only one-third of WMO Members report having multi-hazard monitoring and forecasting systems, meaning one system that watches for many kinds of disaster [9].
• Only 67% have warning services running 24×7 [9].

• RSMC New Delhi already keeps a 24×7 watch and sends advisories 8 times a day [2].

• India's neighbours are far behind

• WMO's Hydromet Gap Report 2024 studied 20 Least Developed Countries and Small Island Developing States (SIDS: small island nations that face high climate risk). None had fully put impact-based forecasting in place [10].
• The countries RSMC New Delhi advises include Maldives, Myanmar and Bangladesh [2].

• So the gap between IMD's tools and what its neighbours can use is real. Neighbours can read RSMC advisories, but they do not have this kind of decision tool.

• The global direction is already set

• WMO's Early Warnings for All report on Pillar 2 (detection and forecasting) says impact-based forecasting must become "the norm, not the exception" [11].
• The DSS moves India in that direction. Whether it counts depends on whether exposure and vulnerability layers are added.

11. What IMD, NDMA and the States Should Do Next

• IMD and NDMA should link the DSS with Web-DCRA
• Then the hazard map from IMD would sit on the same screen as NDMA's risk map [1][4].

• This fills the exposure and vulnerability gap that WMO names as the main barrier to impact-based warnings [9].

• MoES (INCOIS and IMD) should send DSS outputs in a form fishers can actually receive

• Make short local-language messages from the DSS layers.
• Send them through the channels that already reach boats: SMS via INCOIS, NAViC messages, and All India Radio [8].

• The website stays for officials. The message goes to the boat.

• NDMA and coastal states should finish the last-mile work NCRMP was set up for

• Parliament has been told what is still missing: sirens, connectivity and satellite communication for fishers [8].

• These are the same things NCRMP was meant to fund [12].

• IMD should use the Pre-Cyclone Exercise Meeting to measure use, not just to demonstrate the tool

• The meeting already reviews an Action Taken Report every six months [1].

• It could add simple checks: how many DDMAs opened the DSS during the season's cyclones, and whether it changed any evacuation decision.

• RSMC New Delhi should offer DSS layers to Panel countries

• This turns the tool into regional help under Early Warnings for All [2][11].
• It directly helps neighbours who, by WMO's count, have no impact-based forecasting at all [10].

12. Anchors for Answers

• Data: Only 56% of countries use hazard, exposure and vulnerability data in their forecasts. Only one-third of WMO Members have multi-hazard monitoring and forecasting systems [9]
• Data: None of the 20 LDCs and SIDS studied had fully put impact-based forecasting in place [10]
• Report/Committee: WMO Hydromet Gap Report, 2024 [10]; WMO Early Warnings for All Pillar 2 Report, 2025 [11]
• Law/Case: Disaster Management Act, 2005. It creates NDMA, SDMAs and DDMAs, the bodies that must act on IMD's warnings
• Comparison: India runs a 24×7 regional cyclone centre with impact-based warning modules [2][3]. Only 67% of WMO Members have any 24×7 warning service [9]
• Scheme: NCRMP Phase I. ₹1,496.71 crore with World Bank help (Andhra Pradesh and Odisha). Its main aim is better early warning dissemination to coastal communities [12]

13. Mains Relevance

• GS-III: Disaster and disaster management; Science & Technology (applications in everyday life); awareness in IT and space (GIS).
• GS-II: International institutions (WMO, RSMC); government policies and interventions.

Possible question stems:

1. "Accurate forecasts do not automatically translate into reduced losses." Discuss with reference to India's shift towards impact-based, decision-support cyclone warning systems.
2. Examine how India's cyclone early-warning capability evolved from Phailin (2013) to the present. What gaps remain in last-mile dissemination?
3. How does India's role as an RSMC for the North Indian Ocean serve both its disaster-management and its neighbourhood diplomacy goals?

14. Related Topics to Study Next

• RSMC New Delhi and the WMO/ESCAP Panel on Tropical Cyclones: the institutional basis of regional cyclone warnings and cyclone naming.
• NCRMP and Web-DCRA (NDMA): the predecessor and complementary risk-mapping tool.
• Impact-based forecasting: the conceptual shift from "what the weather will be" to "what the weather will do."
• UN "Early Warnings for All" initiative (WMO/UNDRR): the global framework that IMD's work feeds into.
• INCOIS storm surge and ocean-state forecasts: the MoES partner for marine hazards.
• Disaster Management Act, 2005 and NDMA cyclone guidelines: the legal and institutional framework.
• Mission Mausam and HPC upgrades at MoES: the technology base behind forecast accuracy.
• Odisha cyclone preparedness model (Phailin/Fani): the classic Mains case study.

15. NCERT Concepts to Revise

• India Meteorological Department (Geography): IMD built and launched the DSS and runs RSMC New Delhi, so knowing its role and ministry is core.
• Geographic information system (Geography): The DSS is WebGIS-based, layering tracks, wind, surge and rain over maps to give location-specific forecasts.
• Storm surge (Geography): Storm surge is a key DSS layer and the main cause of cyclone deaths, so it matters for warnings.
• National Cyclone Risk Mitigation Project (Geography): NCRMP funded last-mile early warning dissemination and Web-DCRA, the NDMA tool the note contrasts with IMD's DSS.
• Disaster Management Act 2005 (Geography): This law creates NDMA, state and district authorities that must act on IMD's warnings.
• Vulnerability (Geography): Impact-based forecasting adds exposure and vulnerability to hazard data, which is the note's central gap.

16. Common Errors / Trap Areas

• Ministry: IMD is under the Ministry of Earth Sciences, not MoEFCC or MHA [1].
• Web-DCRA vs DSS: Web-DCRA is NDMA's tool under NCRMP; the 2026 Cyclone & Marine DSS is IMD's [1][4].
• Dates: Phailin was 2013 and Hudhud 2014, both on 12 October. Aspirants often swap them or mix them up with Fani (2019) [1].
• Meeting frequency: The Pre-Cyclone Exercise Meeting is bi-annual (April and October) and has run since 2008, not annually [1].
• Mohapatra's WMO post: He is 3rd Vice-President, not President or Secretary-General [1][5].