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]
11.04.2026 11:10 81 0.635 0.3
11.04.2026 11:00 81 0.635 0.3
11.04.2026 10:50 81 0.635 0.2
11.04.2026 10:40 81 0.635 0.2
11.04.2026 10:30 81 0.635 0.2
11.04.2026 10:20 81 0.635 0.2
11.04.2026 10:00 81 0.635 0.1
11.04.2026 09:00 82 0.712 0.1
11.04.2026 08:00 81 0.635 0.2
11.04.2026 07:00 82 0.712 0.3
11.04.2026 06:00 82 0.712 0.4
11.04.2026 05:00 82 0.712 0.6
11.04.2026 04:00 82 0.712 0.7
11.04.2026 03:00 82 0.712 0.8
11.04.2026 02:00 82 0.712 0.9
11.04.2026 01:00 82 0.712 1
11.04.2026 00:00 82 0.712 1.1
10.04.2026 23:00 82 0.712 1.2
10.04.2026 22:00 82 0.712 1.2
10.04.2026 21:00 82 0.712 1.2
10.04.2026 20:00 82 0.712 1.3
10.04.2026 19:00 82 0.712 1.3
10.04.2026 18:00 83 0.79 1.2
10.04.2026 17:00 83 0.79 1.2
10.04.2026 16:00 83 0.79 1.1
10.04.2026 15:00 83 0.79 1
10.04.2026 14:00 83 0.79 0.9
10.04.2026 13:00 83 0.79 0.7
10.04.2026 12:00 82 0.712 0.5
10.04.2026 11:00 82 0.712 0.3

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