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]
23.09.2026 12:50 80 0.562 6.8
23.09.2026 12:40 80 0.562 6.8
23.09.2026 12:30 80 0.562 6.8
23.09.2026 12:20 81 0.635 6.7
23.09.2026 12:10 81 0.635 6.7
23.09.2026 12:00 80 0.562 6.6
23.09.2026 11:00 81 0.635 6.5
23.09.2026 10:00 81 0.635 6.5
23.09.2026 09:00 82 0.712 6.5
23.09.2026 08:00 82 0.712 6.6
23.09.2026 07:00 82 0.712 6.8
23.09.2026 06:00 82 0.712 6.9
23.09.2026 05:00 82 0.712 7.1
23.09.2026 04:00 83 0.79 7.2
23.09.2026 03:00 83 0.79 7.3
23.09.2026 02:00 83 0.79 7.4
23.09.2026 01:00 83 0.79 7.5
23.09.2026 00:00 84 0.871 7.5
22.09.2026 23:00 83 0.79 7.6
22.09.2026 22:00 84 0.871 7.6
22.09.2026 21:00 84 0.871 7.7
22.09.2026 20:00 84 0.871 7.7
22.09.2026 19:00 84 0.871 7.8
22.09.2026 18:00 85 0.954 7.8
22.09.2026 17:00 85 0.954 7.8
22.09.2026 16:00 85 0.954 7.8
22.09.2026 15:00 85 0.954 7.7
22.09.2026 14:00 86 1.04 7.7
22.09.2026 13:00 86 1.04 7.6

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