Janov - Harrachov, river Mumlava, flood warning profile category B, Surface water

Czech hydrometeorological institute


current status
Drought
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]
18.09.2026 19:10 76 0.302 9.4
18.09.2026 19:00 76 0.302 9.4
18.09.2026 18:50 76 0.302 9.4
18.09.2026 18:40 76 0.302 9.3
18.09.2026 18:30 76 0.302 9.3
18.09.2026 18:20 76 0.302 9.3
18.09.2026 18:00 76 0.302 9.3
18.09.2026 17:00 76 0.302 9.2
18.09.2026 16:00 76 0.302 9.1
18.09.2026 15:00 76 0.302 8.9
18.09.2026 14:00 76 0.302 8.7
18.09.2026 13:00 77 0.358 8.4
18.09.2026 12:00 77 0.358 8.2
18.09.2026 11:00 77 0.358 8
18.09.2026 10:00 77 0.358 7.9
18.09.2026 09:00 78 0.421 7.8
18.09.2026 08:00 78 0.421 7.9
18.09.2026 07:00 78 0.421 8
18.09.2026 06:00 78 0.421 8.1
18.09.2026 05:00 78 0.421 8.3
18.09.2026 04:00 78 0.421 8.4
18.09.2026 03:00 78 0.421 8.5
18.09.2026 02:00 79 0.49 8.7
18.09.2026 01:00 79 0.49 8.8
18.09.2026 00:00 79 0.49 8.9
17.09.2026 23:00 79 0.49 9.1
17.09.2026 22:00 79 0.49 9.2
17.09.2026 21:00 79 0.49 9.3
17.09.2026 20:00 79 0.49 9.4
17.09.2026 19:00 79 0.49 9.6

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