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]
02.06.2026 05:30 80 0.562 8.5
02.06.2026 05:20 80 0.562 8.6
02.06.2026 05:10 80 0.562 8.6
02.06.2026 05:00 80 0.562 8.6
02.06.2026 04:50 80 0.562 8.7
02.06.2026 04:40 80 0.562 8.7
02.06.2026 04:00 80 0.562 8.8
02.06.2026 03:00 80 0.562 9
02.06.2026 02:00 80 0.562 9.3
02.06.2026 01:00 81 0.635 9.4
02.06.2026 00:00 81 0.635 9.6
01.06.2026 23:00 81 0.635 9.8
01.06.2026 22:00 81 0.635 10
01.06.2026 21:00 81 0.635 10.1
01.06.2026 20:00 82 0.712 10.2
01.06.2026 19:00 82 0.712 10.3
01.06.2026 18:00 82 0.712 10.4
01.06.2026 17:00 83 0.79 10.3
01.06.2026 16:00 83 0.79 10.3
01.06.2026 15:00 83 0.79 10.3
01.06.2026 14:00 84 0.871 10.2
01.06.2026 13:00 85 0.954 10.2
01.06.2026 12:00 84 0.871 10
01.06.2026 11:00 86 1.04 9.9
01.06.2026 10:00 86 1.04 9.9
01.06.2026 09:00 87 1.13 9.9
01.06.2026 08:00 88 1.22 10
01.06.2026 07:00 89 1.31 10.2
01.06.2026 06:00 94 1.88 10.3
01.06.2026 05:00 91 1.52 10.4

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