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]
09.07.2026 16:50 79 0.49 12.1
09.07.2026 16:40 79 0.49 12.1
09.07.2026 16:30 80 0.562 12.1
09.07.2026 16:20 80 0.562 12.1
09.07.2026 16:10 79 0.49 12
09.07.2026 16:00 80 0.562 12
09.07.2026 15:00 80 0.562 11.6
09.07.2026 14:00 80 0.562 11.2
09.07.2026 13:00 79 0.49 10.6
09.07.2026 12:00 80 0.562 10.1
09.07.2026 11:00 80 0.562 9.8
09.07.2026 10:00 80 0.562 9.6
09.07.2026 09:00 80 0.562 9.5
09.07.2026 08:00 81 0.635 9.5
09.07.2026 07:00 81 0.635 9.5
09.07.2026 06:00 81 0.635 9.6
09.07.2026 05:00 81 0.635 9.6
09.07.2026 04:00 81 0.635 9.8
09.07.2026 03:00 82 0.712 9.9
09.07.2026 02:00 82 0.712 10.1
09.07.2026 01:00 82 0.712 10.3
09.07.2026 00:00 82 0.712 10.5
08.07.2026 23:00 82 0.712 10.6
08.07.2026 22:00 82 0.712 10.7
08.07.2026 21:00 83 0.79 10.8
08.07.2026 20:00 83 0.79 11
08.07.2026 19:00 83 0.79 11.1
08.07.2026 18:00 84 0.871 11.3
08.07.2026 17:00 83 0.79 11.6

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