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]
20.06.2026 23:20 81 0.635 12.8
20.06.2026 23:10 81 0.635 12.8
20.06.2026 23:00 81 0.635 12.8
20.06.2026 22:50 81 0.635 12.8
20.06.2026 22:40 81 0.635 12.9
20.06.2026 22:30 81 0.635 12.9
20.06.2026 22:00 81 0.635 13
20.06.2026 21:00 80 0.562 13.1
20.06.2026 20:00 80 0.562 13.2
20.06.2026 19:00 79 0.49 13.4
20.06.2026 18:00 78 0.421 13.4
20.06.2026 17:00 80 0.562 13.5
20.06.2026 16:00 81 0.635 13.6
20.06.2026 15:00 80 0.562 13.3
20.06.2026 14:00 79 0.49 12.9
20.06.2026 13:00 79 0.49 12.5
20.06.2026 12:00 79 0.49 11.9
20.06.2026 11:00 80 0.562 11.5
20.06.2026 10:00 79 0.49 11.3
20.06.2026 09:00 79 0.49 11.3
20.06.2026 08:00 80 0.562 11.3
20.06.2026 07:00 79 0.49 11.4
20.06.2026 06:00 79 0.49 11.5
20.06.2026 05:00 81 0.635 11.6
20.06.2026 04:00 79 0.49 11.7
20.06.2026 03:00 79 0.49 11.9
20.06.2026 02:00 80 0.562 12
20.06.2026 01:00 79 0.49 12.1
20.06.2026 00:00 79 0.49 12.2
19.06.2026 23:00 79 0.49 12.4

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