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]
31.01.2025 04:20 91 1.52 1.6
31.01.2025 04:10 91 1.52 1.6
31.01.2025 04:00 91 1.52 1.6
31.01.2025 03:50 90 1.41 1.6
31.01.2025 03:40 90 1.41 1.6
31.01.2025 03:30 90 1.41 1.6
31.01.2025 03:20 90 1.41 1.6
31.01.2025 03:00 90 1.41 1.6
31.01.2025 02:00 91 1.52 1.7
31.01.2025 01:00 91 1.52 1.7
31.01.2025 00:00 91 1.52 1.7
30.01.2025 23:00 91 1.52 1.7
30.01.2025 22:00 91 1.52 1.8
30.01.2025 21:00 91 1.52 1.8
30.01.2025 20:00 91 1.52 1.9
30.01.2025 19:00 91 1.52 1.9
30.01.2025 18:00 91 1.52 1.9
30.01.2025 17:00 91 1.52 2
30.01.2025 16:00 91 1.52 2
30.01.2025 15:00 91 1.52 1.9
30.01.2025 14:00 91 1.52 1.8
30.01.2025 13:00 92 1.63 1.7
30.01.2025 12:00 93 1.75 1.6
30.01.2025 11:00 93 1.75 1.6
30.01.2025 10:00 92 1.63 1.5
30.01.2025 09:00 93 1.75 1.5
30.01.2025 08:00 93 1.75 1.5
30.01.2025 07:00 93 1.75 1.6
30.01.2025 06:00 94 1.88 1.6
30.01.2025 05:00 94 1.88 1.6
30.01.2025 04:00 94 1.88 1.6

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

Probability of exceeding levels of flood activity

time of release of the probabilistic forecast 30. 01. 2025 06:00
date Flood watch Flood warning Flooding
30. 01. 07h
less than 5%
less than 5%
less than 5%
30. 01. 19h
less than 5%
less than 5%
less than 5%
31. 01. 07h
less than 5%
less than 5%
less than 5%
31. 01. 19h
less than 5%
less than 5%
less than 5%
01. 02. 07h
less than 5%
less than 5%
less than 5%
01. 02. 19h
less than 5%
less than 5%
less than 5%
02. 02. 07h
less than 5%
less than 5%
less than 5%
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