Flood — Brahmaputra Basin
Brahmaputra Basin, Assam · IN-AS
Brahmaputra crossed danger mark at Jorhat (+0.42 m) after 72 h of upstream rainfall. Overtopping expected at 6 sites in the next 6 hours; embankment breach risk elevated.
88%
Confidence
6h
ETA
780K
At risk
Upstream rainfall 210 mm/72h Snowmelt anomaly Soil saturation 94% Reservoir outflow +38%
Hotline: 1070 · ASDMA 0361-2237219 96 shelters active
Incident timeline
From first detection through projected outcome.
- T-48hRainfall anomaly detected
GPM + IMD gauges: Arunachal received 210 mm in 72h.
- T-18hRiver rise flagged
Jorhat gauge crossed warning level.
- T-6hDanger mark breached
Alert to 780K residents · WhatsApp + SMS.
- T-1hEmbankment patrol
SDRF walking 34 km of embankments in Majuli.
- T+6hOvertopping likely
Model: 6 sites, peak discharge 47,300 m³/s.
Recommended actions
residents
- immediate
Move livestock and documents to raised ground; charge phones fully.
- 1h
Boil drinking water; avoid submerged roads and low-lying paths.
responders
- immediate
Deploy 40 inflatable boats + 6 medical camps in Majuli & Dhemaji.
authorities
- 6h
Coordinate with hydro-project on staggered outflow reduction.
Affected areas
Total: 533K people| Area | Type | Population | Risk |
|---|---|---|---|
| Majuli Island | district | 168K | CRITICAL |
| Jorhat urban wards 3–9 | city | 220K | HIGH |
| Dhemaji village cluster | village cluster | 145K | HIGH |
| NH-15 (Lakhimpur bypass) | highway | — | MODERATE |
SMS + WhatsApp dispatched
Active
NDRF / SDRF coordinated
Active
96 shelters open
Active
Cell broadcast armed
Active