Janov - Harrachov, river Mumlava, flood warning profile category B, Surface water

Czech hydrometeorological institute


current status
Mean stage
Tendency : Steady state
river Mumlava
gauge Janov - Harrachov
category B
inclusion Hlásný profil
altitude 580.65 a.s.l.
region Liberecký kraj
basin number 1-05-01
municipality Tanvald
gauge operator ČHMÚ Praha
sub-basin Horní a střední Labe

Measured data

stage date and time stage [cm] flow [m3.s-1] temperature [°C]
09.10.2026 04:20 79 0.49 7.1
09.10.2026 04:10 79 0.49 7.1
09.10.2026 04:00 79 0.49 7.1
09.10.2026 03:50 80 0.562 7.2
09.10.2026 03:40 80 0.562 7.2
09.10.2026 03:30 79 0.49 7.2
09.10.2026 03:00 79 0.49 7.2
09.10.2026 02:00 80 0.562 7.3
09.10.2026 01:00 79 0.49 7.4
09.10.2026 00:00 79 0.49 7.5
08.10.2026 23:00 79 0.49 7.5
08.10.2026 22:00 80 0.562 7.5
08.10.2026 21:00 78 0.421 7.5
08.10.2026 20:00 78 0.421 7.5
08.10.2026 19:00 77 0.358 7.4
08.10.2026 18:00 76 0.302 7.3
08.10.2026 17:00 76 0.302 7.2
08.10.2026 16:00 76 0.302 7
08.10.2026 15:00 76 0.302 6.8
08.10.2026 14:00 83 0.79 6.6
08.10.2026 13:00 76 0.302 6.3
08.10.2026 12:00 76 0.302 6.1
08.10.2026 11:00 76 0.302 5.9
08.10.2026 10:00 76 0.302 5.8
08.10.2026 09:00 76 0.302 5.8
08.10.2026 08:00 76 0.302 5.8
08.10.2026 07:00 76 0.302 5.8
08.10.2026 06:00 76 0.302 5.9
08.10.2026 05:00 76 0.302 6
08.10.2026 04:00 76 0.302 6.1

Flood warning limits

flood warning levels water stage
Drought 78 cm
Flood watch 160 cm
Flood warning 190 cm
Flooding 250 cm
Extreme flooding 291 cm

Legend - measurement affected

Measurement affected
The measurement is affected by ice phenomena

© Český hydrometeorologický ústav