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]
16.07.2026 01:20 88 1.22 11.3
16.07.2026 01:10 88 1.22 11.4
16.07.2026 01:00 88 1.22 11.4
16.07.2026 00:50 88 1.22 11.4
16.07.2026 00:40 88 1.22 11.4
16.07.2026 00:30 88 1.22 11.5
16.07.2026 00:20 88 1.22 11.5
16.07.2026 00:00 88 1.22 11.5
15.07.2026 23:00 89 1.31 11.7
15.07.2026 22:00 90 1.41 11.8
15.07.2026 21:00 91 1.52 11.9
15.07.2026 20:00 92 1.63 12
15.07.2026 19:00 93 1.75 12.1
15.07.2026 18:00 94 1.88 12.1
15.07.2026 17:00 96 2.14 12.1
15.07.2026 16:00 98 2.44 12.1
15.07.2026 15:00 99 2.6 11.8
15.07.2026 14:00 101 2.94 11.5
15.07.2026 13:00 103 3.31 11.4
15.07.2026 12:00 106 3.9 11.2
15.07.2026 11:00 109 4.51 11
15.07.2026 10:00 111 4.93 10.9
15.07.2026 09:00 117 6.27 10.9
15.07.2026 08:00 120 6.98 11.2
15.07.2026 07:00 123 7.72 11.8
15.07.2026 06:00 92 1.63 12
15.07.2026 05:00 96 2.14 12
15.07.2026 04:00 78 0.421 12.2
15.07.2026 03:00 78 0.421 12.3
15.07.2026 02:00 78 0.421 12.4
15.07.2026 01:00 78 0.421 12.5

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