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]
23.02.2026 12:30 127 8.75 0.4
23.02.2026 12:20 126 8.49 0.4
23.02.2026 12:10 128 9.01 0.4
23.02.2026 12:00 127 8.75 0.3
23.02.2026 11:50 128 9.01 0.3
23.02.2026 11:40 130 9.55 0.3
23.02.2026 11:00 128 9.01 0.2
23.02.2026 10:00 130 9.55 0.1
23.02.2026 09:00 134 10.7 0
23.02.2026 08:00 135 11 -0.1
23.02.2026 07:00 134 10.7 -0.2
23.02.2026 06:00 137 11.6 -0.3
23.02.2026 05:00 140 12.6 -0.4
23.02.2026 04:00 144 14 -0.6
23.02.2026 03:00 147 15.2 -0.7
23.02.2026 02:00 140 12.6 -0.8
23.02.2026 01:00 137 11.6 -0.9
23.02.2026 00:00 133 10.4 -1
22.02.2026 23:00 135 11 -1
22.02.2026 22:00 132 10.1 -1
22.02.2026 21:00 122 7.47 -0.9
22.02.2026 20:00 113 5.37 -0.3
22.02.2026 19:00 95 2.01 0.5
22.02.2026 18:00 91 1.52 0.6
22.02.2026 17:00 88 1.22 0.8
22.02.2026 16:00 87 1.13 0.8
22.02.2026 15:00 86 1.04 0.8
22.02.2026 14:00 86 1.04 0.8
22.02.2026 13:00 85 0.954 0.8
22.02.2026 12:00 84 0.871 0.8

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