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]
03.07.2026 10:20 80 0.562 11.4
03.07.2026 10:10 80 0.562 11.4
03.07.2026 10:00 80 0.562 11.4
03.07.2026 09:50 80 0.562 11.4
03.07.2026 09:40 80 0.562 11.5
03.07.2026 09:30 80 0.562 11.5
03.07.2026 09:00 80 0.562 11.5
03.07.2026 08:00 81 0.635 11.6
03.07.2026 07:00 81 0.635 11.7
03.07.2026 06:00 81 0.635 11.8
03.07.2026 05:00 81 0.635 11.9
03.07.2026 04:00 81 0.635 12
03.07.2026 03:00 81 0.635 12
03.07.2026 02:00 81 0.635 12.1
03.07.2026 01:00 82 0.712 12.2
03.07.2026 00:00 82 0.712 12.3
02.07.2026 23:00 82 0.712 12.4
02.07.2026 22:00 82 0.712 12.6
02.07.2026 21:00 83 0.79 12.7
02.07.2026 20:00 83 0.79 12.8
02.07.2026 19:00 83 0.79 12.9
02.07.2026 18:00 84 0.871 13.1
02.07.2026 17:00 84 0.871 13.2
02.07.2026 16:00 85 0.954 13.3
02.07.2026 15:00 85 0.954 13.1
02.07.2026 14:00 85 0.954 12.7
02.07.2026 13:00 86 1.04 12.3
02.07.2026 12:00 86 1.04 11.9
02.07.2026 11:00 87 1.13 11.5
02.07.2026 10:00 87 1.13 11.2

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