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]
22.12.2025 17:00 83 0.79 1.8
22.12.2025 16:50 85 0.954 1.7
22.12.2025 16:40 87 1.13 1.8
22.12.2025 16:30 83 0.79 1.8
22.12.2025 16:20 79 0.49 1.8
22.12.2025 16:10 79 0.49 1.7
22.12.2025 16:00 84 0.871 1.7
22.12.2025 15:00 83 0.79 1.7
22.12.2025 14:00 83 0.79 1.6
22.12.2025 13:00 83 0.79 1.5
22.12.2025 12:00 83 0.79 1.4
22.12.2025 11:00 83 0.79 1.4
22.12.2025 10:00 83 0.79 1.4
22.12.2025 09:00 82 0.712 1.4
22.12.2025 08:00 83 0.79 1.4
22.12.2025 07:00 83 0.79 1.5
22.12.2025 06:00 83 0.79 1.5
22.12.2025 05:00 83 0.79 1.6
22.12.2025 04:00 83 0.79 1.7
22.12.2025 03:00 83 0.79 1.8
22.12.2025 02:00 83 0.79 1.8
22.12.2025 01:00 83 0.79 1.9
22.12.2025 00:00 83 0.79 1.9
21.12.2025 23:00 83 0.79 2
21.12.2025 22:00 83 0.79 2.1
21.12.2025 21:00 83 0.79 2.1
21.12.2025 20:00 83 0.79 2.2
21.12.2025 19:00 83 0.79 2.2
21.12.2025 18:00 83 0.79 2.2
21.12.2025 17:00 83 0.79 2.2

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