With reference to NDMA guidelines, discuss the measures to be adopted to mitigate the impact of the recent incidents of cloudbursts in many places of Uttarakhand.
Subtopic: Disaster Management · Hydro-meteorological hazards & mountain mitigation
How to structure your answer
Introduction: Define a cloudburst (>100 mm rain in an hour over a small area) and frame the Himalayan, landslide-coupled risk in Uttarakhand.
Body: Three dimensions — (1) structural & non-structural mitigation (early warning, slope stabilisation, zoning), (2) ecological & land-use measures (carrying capacity, drainage), (3) institutional preparedness (DDMAs, community capacity, response).
Conclusion: Balance development with fragile-ecology limits; move from relief to anticipatory risk reduction.
Written within the word limit
243 words · target 250 words · 11 min
Introduction: A cloudburst is sudden, intense rainfall — over 100 mm in an hour over a small area — that triggers flash floods and debris flows. In Uttarakhand's young, tectonically active Himalaya, steep slopes and saturated soils turn such bursts deadly, as the 2013 Kedarnath tragedy showed when the Mandakini valley was devastated and thousands lost their lives.
Body: NDMA guidelines on Floods, Landslides and the National Disaster Management Plan recommend a layered, prevention-first response.
- Early warning & structural: a dense network of Doppler weather radars and automatic weather stations, real-time IMD nowcasting linked to last-mile alerts, slope stabilisation through retaining walls, rock anchors and bio-engineering, plus flood-cushioning check dams and resilient bridges.
- Land-use & ecological: Geological Survey of India landslide hazard zonation maps to bar construction in run-out zones, respecting valley carrying capacity, regulating riverbed encroachment and the spacing of hydropower projects, and afforesting catchments to anchor soil and slow runoff.
- Institutional & community: functional District Disaster Management Authorities, updated district plans, pre-monsoon mock drills, trained Aapda Mitra volunteers, marked evacuation routes and shelters, and clearing of natural drainage before the monsoon.
Enforcing building codes suited to hilly terrain, capping tourist and pilgrim load along routes like the Char Dham, and a State Disaster Response Force complementing the NDRF further strengthen on-ground capacity.
Conclusion: Mitigation must shift from post-event relief to anticipatory risk reduction — aligning roads, dams and townships with the fragile ecology rather than against it, so the Himalaya's people gain safety without forfeiting livelihoods.
What an examiner expects to see
- Cloudburst defined as rainfall exceeding 100 mm per hour over a small area, triggering flash floods and landslides
- 2013 Kedarnath/Mandakini disaster as the reference catastrophe in Uttarakhand
- NDMA guidelines on Floods, Landslides and the National Disaster Management Plan provide the mitigation framework
- Early warning via IMD Doppler radar, automatic weather stations and nowcasting
- Slope stabilisation: retaining walls, rock anchors, bio-engineering; check dams for flood cushioning
- GSI landslide hazard zonation maps to regulate construction and land use in run-out zones
- District Disaster Management Authorities, Aapda Mitra volunteers, pre-monsoon mock drills and drainage clearance
- Carrying-capacity-based regulation of hydropower, riverbed encroachment and pilgrim/tourist load
- NDRF and State Disaster Response Force for response; hill-area building codes for resilient construction
Concrete cases, schemes and judgments
- 2013 Kedarnath flash floods and Mandakini valley devastation
- Geological Survey of India landslide hazard zonation mapping
- India Meteorological Department Doppler Weather Radar network for nowcasting
- Aapda Mitra community volunteer scheme under NDMA
- Char Dham pilgrim-route load management in Uttarakhand