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]
22.09.2026 01:50 88 1.22 7.7
22.09.2026 01:40 89 1.31 7.7
22.09.2026 01:30 89 1.31 7.7
22.09.2026 01:20 89 1.31 7.7
22.09.2026 01:10 89 1.31 7.7
22.09.2026 01:00 89 1.31 7.7
22.09.2026 00:00 89 1.31 7.8
21.09.2026 23:00 89 1.31 7.8
21.09.2026 22:00 88 1.22 7.9
21.09.2026 21:00 89 1.31 7.9
21.09.2026 20:00 90 1.41 7.9
21.09.2026 19:00 90 1.41 8
21.09.2026 18:00 90 1.41 8
21.09.2026 17:00 90 1.41 8.1
21.09.2026 16:00 91   8.1
21.09.2026 15:00 91 1.52 8.1
21.09.2026 14:00 90 1.41 8.1
21.09.2026 13:00 90 1.41 8
21.09.2026 12:00 91 1.52 8
21.09.2026 11:00 90 1.41 7.9
21.09.2026 10:00 92 1.63 8
21.09.2026 09:00 92 1.63 8
21.09.2026 08:00 93 1.75 8
21.09.2026 07:00 94 1.88 8.1
21.09.2026 06:00 95 2.01 8.2
21.09.2026 05:00 96 2.14 8.3
21.09.2026 04:00 98 2.44 8.4
21.09.2026 03:00 99 2.6 8.5
21.09.2026 02:00 101 2.94 8.7

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