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]
24.08.2026 12:40 81 0.635 8.6
24.08.2026 12:30 81 0.635 8.6
24.08.2026 12:20 81 0.635 8.5
24.08.2026 12:10 81 0.635 8.5
24.08.2026 12:00 81 0.635 8.4
24.08.2026 11:50 81 0.635 8.4
24.08.2026 11:40 81 0.635 8.3
24.08.2026 11:00 81 0.635 8.1
24.08.2026 10:00 81 0.635 8
24.08.2026 09:00 81 0.635 8
24.08.2026 08:00 81 0.635 8
24.08.2026 07:00 82 0.712 8.2
24.08.2026 06:00 82 0.712 8.3
24.08.2026 05:00 82 0.712 8.5
24.08.2026 04:00 82 0.712 8.7
24.08.2026 03:00 82 0.712 8.8
24.08.2026 02:00 82 0.712 9
24.08.2026 01:00 83 0.79 9.2
24.08.2026 00:00 83 0.79 9.4
23.08.2026 23:00 83 0.79 9.5
23.08.2026 22:00 83 0.79 9.7
23.08.2026 21:00 83 0.79 9.8
23.08.2026 20:00 84 0.871 9.9
23.08.2026 19:00 84 0.871 10
23.08.2026 18:00 84 0.871 10.1
23.08.2026 17:00 85 0.954 10.1
23.08.2026 16:00 86 1.04 10.2
23.08.2026 15:00 86 1.04 10
23.08.2026 14:00 86 1.04 9.8
23.08.2026 13:00 87 1.13 9.5
23.08.2026 12:00 87 1.13 9.3

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