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]
07.07.2026 12:50 90 1.41 10.8
07.07.2026 12:40 91 1.52 10.8
07.07.2026 12:30 90 1.41 10.8
07.07.2026 12:20 91 1.52 10.8
07.07.2026 12:10 91 1.52 10.7
07.07.2026 12:00 91 1.52 10.7
07.07.2026 11:00 91 1.52 10.4
07.07.2026 10:00 92 1.63 10.3
07.07.2026 09:00 93 1.75 10.1
07.07.2026 08:00 93 1.75 10.1
07.07.2026 07:00 94 1.88 10.1
07.07.2026 06:00 95 2.01 10.2
07.07.2026 05:00 96 2.14 10.2
07.07.2026 04:00 97 2.29 10.3
07.07.2026 03:00 97 2.29 10.4
07.07.2026 02:00 97 2.29 10.5
07.07.2026 01:00 96 2.14 10.6
07.07.2026 00:00 86 1.04 10.6
06.07.2026 23:00 84 0.871 10.7
06.07.2026 22:00 84 0.871 10.7
06.07.2026 21:00 83 0.79 10.7
06.07.2026 20:00 83 0.79 10.8
06.07.2026 19:00 82 0.712 10.8
06.07.2026 18:00 82 0.712 10.9
06.07.2026 17:00 82 0.712 10.9
06.07.2026 16:00 82 0.712 10.9
06.07.2026 15:00 82 0.712 10.8
06.07.2026 14:00 82 0.712 10.7
06.07.2026 13:00 82 0.712 10.6

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