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]
18.06.2026 22:00 80 0.562 11.1
18.06.2026 21:50 80 0.562 11.2
18.06.2026 21:40 80 0.562 11.2
18.06.2026 21:30 80 0.562 11.2
18.06.2026 21:20 80 0.562 11.2
18.06.2026 21:10 80 0.562 11.3
18.06.2026 21:00 80 0.562 11.3
18.06.2026 20:00 80 0.562 11.4
18.06.2026 19:00 80 0.562 11.4
18.06.2026 18:00 80 0.562 11.5
18.06.2026 17:00 80 0.562 11.4
18.06.2026 16:00 80 0.562 11.3
18.06.2026 15:00 80 0.562 11
18.06.2026 14:00 80 0.562 10.6
18.06.2026 13:00 80 0.562 10.2
18.06.2026 12:00 80 0.562 9.7
18.06.2026 11:00 80 0.562 9.3
18.06.2026 10:00 80 0.562 9
18.06.2026 09:00 80 0.562 8.9
18.06.2026 08:00 80 0.562 8.9
18.06.2026 07:00 80 0.562 8.9
18.06.2026 06:00 81 0.635 8.9
18.06.2026 05:00 80 0.562 9
18.06.2026 04:00 80 0.562 9.1
18.06.2026 03:00 80 0.562 9.2
18.06.2026 02:00 80 0.562 9.2
18.06.2026 01:00 80 0.562 9.4
18.06.2026 00:00 80 0.562 9.5
17.06.2026 23:00 80 0.562 9.6
17.06.2026 22:00 80 0.562 9.8

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