Dolní Sytová, river Jizera, forecasting profile category B, Surface water

Czech hydrometeorological institute


current status
Mean stage
Tendency : Steady state
river Jizera
gauge Dolní Sytová
category B
inclusion forecasting profile
altitude 374.13 a.s.l.
region Liberecký kraj
basin number 1-05-01
municipality Semily
gauge operator ČHMÚ Praha
sub-basin Horní a střední Labe

Measured and predicted data

stage date and time stage [cm] flow [m3.s-1] temperature [°C]
04.09.2025 07:10 37 2.05 14.1
04.09.2025 07:00 35 1.84 14.1
04.09.2025 06:50 35 1.84 14.1
04.09.2025 06:40 35 1.84 14.1
04.09.2025 06:30 35 1.84 14.1
04.09.2025 06:20 35 1.84 14.2
04.09.2025 06:10 35 1.84 14.2
04.09.2025 06:00 35 1.84 14.2
04.09.2025 05:00 36 1.94 14.3
04.09.2025 04:00 35 1.84 14.4
04.09.2025 03:00 36 1.94 14.4
04.09.2025 02:00 33 1.64 14.5
04.09.2025 01:00 36 1.94 14.6
04.09.2025 00:00 36 1.94 14.6
03.09.2025 23:00 35 1.84 14.7
03.09.2025 22:00 35 1.84 14.7
03.09.2025 21:00 35 1.84 14.8
03.09.2025 20:00 33 1.64 14.8
03.09.2025 19:00 37 2.05 14.8
03.09.2025 18:00 37 2.05 14.7
03.09.2025 17:00 37 2.05 14.6
03.09.2025 16:00 37 2.05 14.4
03.09.2025 15:00 37 2.05 14.3
03.09.2025 14:00 37 2.05 14.2
03.09.2025 13:00 38 2.16 14.1
03.09.2025 12:00 36 1.94 14.1
03.09.2025 11:00 36 1.94 14
03.09.2025 10:00 29 1.25 13.9
03.09.2025 09:00 36 1.94 13.9
03.09.2025 08:00 40 2.41 14
03.09.2025 07:00 38 2.16 14
the date the forecast was issued 03.09.2025 14:02
date and time stage [cm] flow [m3.s-1]
06.09.2025 08:00 63 7.59
06.09.2025 07:00 58 6.04
06.09.2025 06:00 53 4.8
06.09.2025 05:00 49 3.93
06.09.2025 04:00 45 3.32
06.09.2025 03:00 44 3.07
06.09.2025 02:00 42 2.72
06.09.2025 01:00 40 2.44
06.09.2025 00:00 39 2.32
05.09.2025 23:00 37 2.05
05.09.2025 22:00 37 2.02
05.09.2025 21:00 37 2.01
05.09.2025 20:00 37 2.04
05.09.2025 19:00 37 2.09
05.09.2025 18:00 37 2.1
05.09.2025 17:00 38 2.13
05.09.2025 16:00 38 2.13
05.09.2025 15:00 37 2.01
05.09.2025 14:00 36 1.97
05.09.2025 13:00 35 1.89
05.09.2025 12:00 35 1.88
05.09.2025 11:00 35 1.88
05.09.2025 10:00 35 1.88
05.09.2025 09:00 35 1.89
05.09.2025 08:00 35 1.89
05.09.2025 07:00 36 1.89
05.09.2025 06:00 36 1.89
05.09.2025 05:00 36 1.89
05.09.2025 04:00 36 1.9
05.09.2025 03:00 36 1.9
05.09.2025 02:00 36 1.9
05.09.2025 01:00 36 1.9
05.09.2025 00:00 36 1.9
04.09.2025 23:00 36 1.9
04.09.2025 22:00 36 1.9
04.09.2025 21:00 36 1.9
04.09.2025 20:00 36 1.9
04.09.2025 19:00 36 1.9
04.09.2025 18:00 36 1.9
04.09.2025 17:00 36 1.91
04.09.2025 16:00 36 1.91
04.09.2025 15:00 36 1.92
04.09.2025 14:00 36 1.92
04.09.2025 13:00 36 1.93
04.09.2025 12:00 36 1.93
04.09.2025 11:00 36 1.94
04.09.2025 10:00 36 1.94
04.09.2025 09:00 36 1.94
04.09.2025 08:00 36 1.95
04.09.2025 07:00 36 1.95
04.09.2025 06:00 36 1.95
04.09.2025 05:00 36 1.96
04.09.2025 04:00 36 1.96
04.09.2025 03:00 36 1.97
04.09.2025 02:00 36 1.97
04.09.2025 01:00 36 1.98
04.09.2025 00:00 36 1.98
03.09.2025 23:00 37 2.05
03.09.2025 22:00 37 2.1
03.09.2025 21:00 36 1.99
03.09.2025 20:00 37 2
03.09.2025 19:00 37 2
03.09.2025 18:00 37 2.1
03.09.2025 17:00 38 2.15
03.09.2025 16:00 37 2.1
03.09.2025 15:00 38 2.15
03.09.2025 14:00 39 2.31
03.09.2025 13:00 38 2.16

Flood warning limits

flood warning levels water stage
Drought 35 cm
Flood watch 180 cm
Flood warning 240 cm
Flooding 320 cm
Extreme flooding 404 cm

Legend - measurement affected

Measurement affected
The measurement is affected by ice phenomena

Valid for / Critical locality :

od ústí Jizerky po ústí Kamenice

Probability of exceeding levels of flood activity

time of release of the probabilistic forecast 03. 09. 2025 12:00
date Flood watch Flood warning Flooding
03. 09. 13h
less than 5%
less than 5%
less than 5%
04. 09. 01h
less than 5%
less than 5%
less than 5%
04. 09. 13h
less than 5%
less than 5%
less than 5%
05. 09. 01h
less than 5%
less than 5%
less than 5%
05. 09. 13h
less than 5%
less than 5%
less than 5%
06. 09. 01h
less than 5%
less than 5%
less than 5%
Pravděpodobnostní zobrazení LAEF

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