VARUNA
Interactive GIS Disaster Intelligence
South Lhonak GLOF · 4 October 2023 · Sikkim
VARUNA GIS
Interactive Cascade Intelligence
T+
0.00
h
Q
17615
m³/s
Cascade Stations
S. Lhonak
0 km
17615 m³/s
Lhonak Gorge
5 km
Tolung
20 km
T. Canyon
40 km
Chungthang
60 km
Singtam
95 km
Melli
115 km
Rangpo
130 km
Jump to
▶
Avalanche → lake
▶
Breach peak 17,615 m³/s
▶
Chungthang dam fails
▶
Rangpo 40,041 m³/s
RESET AOI
17615
m³/s breach Q
Outburst Hydrograph
peak 17,615 m³/s @ 1.59 h
T+0h
T+3h
T+6h
T+9h
T+12h
PLAY
0.5×
1×
2×
0h
12h
T+0.00h
CHUNGTHANG
⚡ DAM FAILURE
DISTANCE
60 km
ELEVATION
1600 m
ARRIVAL
T+3.48 h
PEAK Q
65.3k m³/s
Live Conditions
Flood arrives in
3.5 h
All stations
S. Lhonak
18k
Lhonak Gorge
—
Tolung
—
T. Canyon
—
Chungthang
—
Singtam
—
Melli
—
Rangpo
—