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]
04.06.2026 10:20 81 0.635 8.2
04.06.2026 10:10 82 0.712 8.1
04.06.2026 10:00 81 0.635 8.1
04.06.2026 09:50 81 0.635 8.1
04.06.2026 09:40 82 0.712 8.1
04.06.2026 09:30 81 0.635 8.1
04.06.2026 09:00 81 0.635 8.1
04.06.2026 08:00 82 0.712 8.1
04.06.2026 07:00 82 0.712 8.2
04.06.2026 06:00 82 0.712 8.3
04.06.2026 05:00 82 0.712 8.4
04.06.2026 04:00 82 0.712 8.5
04.06.2026 03:00 83 0.79 8.6
04.06.2026 02:00 83 0.79 8.7
04.06.2026 01:00 83 0.79 8.9
04.06.2026 00:00 84 0.871 8.9
03.06.2026 23:00 84 0.871 9.1
03.06.2026 22:00 85 0.954 9.2
03.06.2026 21:00 86 1.04 9.3
03.06.2026 20:00 85 0.954 9.4
03.06.2026 19:00 85 0.954 9.4
03.06.2026 18:00 86 1.04 9.5
03.06.2026 17:00 86 1.04 9.4
03.06.2026 16:00 85 0.954 9.4
03.06.2026 15:00 84 0.871 9.4
03.06.2026 14:00 83 0.79 9.3
03.06.2026 13:00 82 0.712 9.3
03.06.2026 12:00 82 0.712 9.2
03.06.2026 11:00 82 0.712 9.1
03.06.2026 10:00 81 0.635 9

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