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]
07.04.2026 11:10 86 1.04 1
07.04.2026 11:00 86 1.04 1
07.04.2026 10:50 86 1.04 1
07.04.2026 10:40 86 1.04 1
07.04.2026 10:30 86 1.04 0.9
07.04.2026 10:20 86 1.04 0.9
07.04.2026 10:00 86 1.04 0.9
07.04.2026 09:00 86 1.04 0.9
07.04.2026 08:00 87 1.13 0.9
07.04.2026 07:00 87 1.13 1
07.04.2026 06:00 87 1.13 1.1
07.04.2026 05:00 87 1.13 1.2
07.04.2026 04:00 88 1.22 1.4
07.04.2026 03:00 88 1.22 1.5
07.04.2026 02:00 88 1.22 1.7
07.04.2026 01:00 88 1.22 1.8
07.04.2026 00:00 88 1.22 2
06.04.2026 23:00 88 1.22 2.2
06.04.2026 22:00 89 1.31 2.4
06.04.2026 21:00 88 1.22 2.6
06.04.2026 20:00 89 1.31 2.7
06.04.2026 19:00 89 1.31 2.8
06.04.2026 18:00 89 1.31 3
06.04.2026 17:00 89 1.31 3.1
06.04.2026 16:00 89 1.31 3.1
06.04.2026 15:00 90 1.41 3
06.04.2026 14:00 90 1.41 2.8
06.04.2026 13:00 90 1.41 2.6
06.04.2026 12:00 91 1.52 2.5
06.04.2026 11:00 92 1.63 2.3

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