Provoz staré verze Hlásné a předpovědní povodňové služby (HPPS) na adrese https://hydro.chmi.cz/hppsoldv/ bude k 31.12.2026 ukončen.
Flood forecasting service
Czech Hydrometeorological Institute

Detail station Janov - Harrachov

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Water stage
 
Flow
River Mumlava
Gauge Janov - Harrachov
Category B
Basin number 1-05-01
Municipality Tanvald
Gauge operator ČHMÚ Praha
Flood warning limits
1. Level H = 160 [cm] Flood watch
2. Level H = 190 [cm] Flood warning
3. Level H = 250 [cm] Flooding
3. Level H = 291 [cm] Extreme flooding
Drought H = 78 [cm] Drought

Gauge metadata Janov - Harrachov
Measurement and forecast (data)
 
Date and time Stage [cm] Flow [m3s-1] Temperature [°C]
13.10.2026 00:30 83 0.79 5.1
13.10.2026 00:20 83 0.79 5.1
13.10.2026 00:10 83 0.79 5.2
13.10.2026 00:00 83 0.79 5.2
12.10.2026 23:50 83 0.79 5.2
12.10.2026 23:40 84 0.871 5.2
12.10.2026 23:00 84 0.871 5.3
12.10.2026 22:00 84 0.871 5.5
12.10.2026 21:00 84 0.871 5.6
12.10.2026 20:00 84 0.871 5.6
12.10.2026 19:00 85 0.954 5.7
12.10.2026 18:00 85 0.954 5.7
12.10.2026 17:00 85 0.954 5.8
12.10.2026 16:00 85 0.954 5.7
12.10.2026 15:00 86 1.04 5.7
12.10.2026 14:00 86 1.04 5.6
12.10.2026 13:00 86 1.04 5.6
12.10.2026 12:00 86 1.04 5.5
12.10.2026 11:00 85 0.954 5.5
12.10.2026 10:00 83 0.79 5.4
12.10.2026 09:00 85 0.954 5.4
12.10.2026 08:00 85 0.954 5.4
12.10.2026 07:00 85 0.954 5.4
12.10.2026 06:00 85 0.954 5.4
12.10.2026 05:00 85 0.954 5.4
12.10.2026 04:00 85 0.954 5.4
12.10.2026 03:00 84 0.871 5.4
12.10.2026 02:00 84 0.871 5.4
12.10.2026 01:00 84 0.871 5.5
12.10.2026 00:00 84 0.871 5.5