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]
02.09.2026 09:10 79 0.49 9.6
02.09.2026 09:00 79 0.49 9.6
02.09.2026 08:50 79 0.49 9.6
02.09.2026 08:40 79 0.49 9.6
02.09.2026 08:30 79 0.49 9.6
02.09.2026 08:20 79 0.49 9.6
02.09.2026 08:00 79 0.49 9.6
02.09.2026 07:00 79 0.49 9.7
02.09.2026 06:00 79 0.49 9.7
02.09.2026 05:00 79 0.49 9.8
02.09.2026 04:00 79 0.49 9.9
02.09.2026 03:00 79 0.49 9.9
02.09.2026 02:00 79 0.49 10.1
02.09.2026 01:00 79 0.49 10.2
02.09.2026 00:00 80 0.562 10.3
01.09.2026 23:00 80 0.562 10.4
01.09.2026 22:00 80 0.562 10.6
01.09.2026 21:00 80 0.562 10.7
01.09.2026 20:00 80 0.562 10.8
01.09.2026 19:00 80 0.562 10.9
01.09.2026 18:00 80 0.562 10.9
01.09.2026 17:00 81 0.635 11
01.09.2026 16:00 81 0.635 10.8
01.09.2026 15:00 81 0.635 10.7
01.09.2026 14:00 81 0.635 10.6
01.09.2026 13:00 81 0.635 10.3
01.09.2026 12:00 81 0.635 10.2
01.09.2026 11:00 82 0.712 10.2
01.09.2026 10:00 82 0.712 10.1
01.09.2026 09:00 82 0.712 10