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]
01.06.2026 03:20 87 1.13 10.4
01.06.2026 03:10 87 1.13 10.4
01.06.2026 03:00 88 1.22 10.4
01.06.2026 02:50 90 1.41 10.4
01.06.2026 02:40 90 1.41 10.5
01.06.2026 02:30 89 1.31 10.5
01.06.2026 02:20 85 0.954 10.5
01.06.2026 02:00 79 0.49 10.5
01.06.2026 01:00 77 0.358 10.7
01.06.2026 00:00 78 0.421 10.9
31.05.2026 23:00 78 0.421 11
31.05.2026 22:00 78 0.421 11.2
31.05.2026 21:00 79 0.49 11.3
31.05.2026 20:00 78 0.421 11.5
31.05.2026 19:00 78 0.421 11.6
31.05.2026 18:00 77 0.358 11.7
31.05.2026 17:00 77 0.358 11.7
31.05.2026 16:00 77 0.358 11.6
31.05.2026 15:00 78 0.421 11.3
31.05.2026 14:00 77 0.358 10.8
31.05.2026 13:00 77 0.358 10.2
31.05.2026 12:00 77 0.358 9.7
31.05.2026 11:00 73 0.183 9.2
31.05.2026 10:00 78 0.421 9
31.05.2026 09:00 78 0.421 9
31.05.2026 08:00 77 0.358 9.1
31.05.2026 07:00 77 0.358 9.2
31.05.2026 06:00 77 0.358 9.3
31.05.2026 05:00 77 0.358 9.4
31.05.2026 04:00 77 0.358 9.5
31.05.2026 03:00 77 0.358 9.7

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