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]
06.06.2026 11:40 85 0.954 8
06.06.2026 11:30 85 0.954 7.9
06.06.2026 11:20 86 1.04 7.8
06.06.2026 11:10 85 0.954 7.7
06.06.2026 11:00 86 1.04 7.7
06.06.2026 10:50 86 1.04 7.6
06.06.2026 10:40 85 0.954 7.5
06.06.2026 10:00 86 1.04 7.3
06.06.2026 09:00 87 1.13 7.2
06.06.2026 08:00 87 1.13 7.1
06.06.2026 07:00 87 1.13 7.2
06.06.2026 06:00 87 1.13 7.4
06.06.2026 05:00 88 1.22 7.5
06.06.2026 04:00 88 1.22 7.7
06.06.2026 03:00 90 1.41 7.8
06.06.2026 02:00 90 1.41 8
06.06.2026 01:00 91 1.52 8.1
06.06.2026 00:00 91 1.52 8.3
05.06.2026 23:00 93 1.75 8.4
05.06.2026 22:00 93 1.75 8.6
05.06.2026 21:00 94 1.88 8.7
05.06.2026 20:00 95 2.01 8.8
05.06.2026 19:00 97 2.29 8.9
05.06.2026 18:00 97 2.29 8.9
05.06.2026 17:00 99 2.6 9
05.06.2026 16:00 100 2.77 9.1
05.06.2026 15:00 99 2.6 9.2
05.06.2026 14:00 97 2.29 9.2
05.06.2026 13:00 92 1.63 9.1
05.06.2026 12:00 88 1.22 9
05.06.2026 11:00 86 1.04 9

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