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]
11.06.2026 15:00 86 1.04 8.2
11.06.2026 14:50 86 1.04 8.2
11.06.2026 14:40 87 1.13 8.2
11.06.2026 14:30 86 1.04 8.2
11.06.2026 14:20 86 1.04 8.2
11.06.2026 14:10 86 1.04 8.1
11.06.2026 14:00 86 1.04 8.1
11.06.2026 13:00 86 1.04 7.9
11.06.2026 12:00 86 1.04 7.9
11.06.2026 11:00 86 1.04 7.9
11.06.2026 10:00 85 0.954 7.9
11.06.2026 09:00 83 0.79 7.8
11.06.2026 08:00 82 0.712 7.8
11.06.2026 07:00 82 0.712 7.9
11.06.2026 06:00 82 0.712 7.9
11.06.2026 05:00 81 0.635 8
11.06.2026 04:00 80 0.562 8.1
11.06.2026 03:00 79 0.49 8.2
11.06.2026 02:00 78 0.421 8.3
11.06.2026 01:00 78 0.421 8.3
11.06.2026 00:00 78 0.421 8.4
10.06.2026 23:00 78 0.421 8.5
10.06.2026 22:00 78 0.421 8.6
10.06.2026 21:00 78 0.421 8.8
10.06.2026 20:00 78 0.421 8.8
10.06.2026 19:00 78 0.421 8.9
10.06.2026 18:00 78 0.421 8.9
10.06.2026 17:00 78 0.421 8.9
10.06.2026 16:00 78 0.421 8.9
10.06.2026 15:00 78 0.421 8.8

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