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]
02.07.2026 10:00 87 1.13 11.2
02.07.2026 09:50 87 1.13 11.2
02.07.2026 09:40 88 1.22 11.2
02.07.2026 09:30 88 1.22 11.2
02.07.2026 09:20 88 1.22 11.2
02.07.2026 09:10 88 1.22 11.2
02.07.2026 09:00 88 1.22 11.1
02.07.2026 08:00 88 1.22 11.1
02.07.2026 07:00 90 1.41 11.1
02.07.2026 06:00 90 1.41 11.2
02.07.2026 05:00 91 1.52 11.3
02.07.2026 04:00 92 1.63 11.4
02.07.2026 03:00 92 1.63 11.5
02.07.2026 02:00 94 1.88 11.6
02.07.2026 01:00 94 1.88 11.8
02.07.2026 00:00 95 2.01 11.9
01.07.2026 23:00 97 2.29 12.1
01.07.2026 22:00 97 2.29 12.3
01.07.2026 21:00 99 2.6 12.5
01.07.2026 20:00 100 2.77 12.7
01.07.2026 19:00 102 3.12 12.9
01.07.2026 18:00 102 3.12 13
01.07.2026 17:00 103 3.31 13.2
01.07.2026 16:00 107 4.1 13.2
01.07.2026 15:00 107 4.1 13.4
01.07.2026 14:00 96 2.14 13.5
01.07.2026 13:00 95 2.01 13.4
01.07.2026 12:00 94 1.88 13.5
01.07.2026 11:00 95 2.01 13.7
01.07.2026 10:00 95 2.01 13.8

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