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]
16.09.2025 20:50 62 7.2 12.4
16.09.2025 20:40 62 7.2 12.4
16.09.2025 20:30 63 7.51 12.4
16.09.2025 20:20 63 7.51 12.4
16.09.2025 20:10 63 7.51 12.4
16.09.2025 20:00 63 7.51 12.4
16.09.2025 19:50 63 7.51 12.4
16.09.2025 19:00 58 6.06 12.4
16.09.2025 18:00 64 7.83 12.3
16.09.2025 17:00 65 8.16 12.3
16.09.2025 16:00 65 8.16 12.2
16.09.2025 15:00 67 8.82 12.2
16.09.2025 14:00 68 9.16 12.1
16.09.2025 13:00 68 9.16 12.1
16.09.2025 12:00 67 8.82 12
16.09.2025 11:00 67 8.82 12
16.09.2025 10:00 70 9.86 12
16.09.2025 09:00 70 9.86 12
16.09.2025 08:00 71 10.2 12
16.09.2025 07:00 71 10.2 12
16.09.2025 06:00 72 10.6 12
16.09.2025 05:00 72 10.6 12
16.09.2025 04:00 72 10.6 12
16.09.2025 03:00 72 10.6 12
16.09.2025 02:00 71 10.2 12
16.09.2025 01:00 71 10.2 12.1
16.09.2025 00:00 72 10.6 12.1
15.09.2025 23:00 72 10.6 12.1
15.09.2025 22:00 73 10.9 12.1
15.09.2025 21:00 71 10.2 12.1
the date the forecast was issued 16.09.2025 13:56
date and time stage [cm] flow [m3.s-1]
19.09.2025 08:00 52 4.6
19.09.2025 07:00 52 4.63
19.09.2025 06:00 52 4.67
19.09.2025 05:00 52 4.7
19.09.2025 04:00 52 4.75
19.09.2025 03:00 53 4.79
19.09.2025 02:00 53 4.84
19.09.2025 01:00 53 4.89
19.09.2025 00:00 53 4.95
18.09.2025 23:00 54 5.01
18.09.2025 22:00 54 5.08
18.09.2025 21:00 54 5.16
18.09.2025 20:00 55 5.23
18.09.2025 19:00 55 5.3
18.09.2025 18:00 55 5.38
18.09.2025 17:00 56 5.46
18.09.2025 16:00 56 5.55
18.09.2025 15:00 56 5.63
18.09.2025 14:00 57 5.71
18.09.2025 13:00 57 5.79
18.09.2025 12:00 57 5.88
18.09.2025 11:00 58 5.98
18.09.2025 10:00 58 6.1
18.09.2025 09:00 59 6.22
18.09.2025 08:00 59 6.36
18.09.2025 07:00 60 6.5
18.09.2025 06:00 60 6.65
18.09.2025 05:00 61 6.82
18.09.2025 04:00 61 6.99
18.09.2025 03:00 62 7.18
18.09.2025 02:00 63 7.38
18.09.2025 01:00 63 7.59
18.09.2025 00:00 64 7.82
17.09.2025 23:00 65 8.07
17.09.2025 22:00 66 8.33
17.09.2025 21:00 66 8.61
17.09.2025 20:00 67 8.91
17.09.2025 19:00 68 9.22
17.09.2025 18:00 69 9.53
17.09.2025 17:00 70 9.84
17.09.2025 16:00 71 10.2
17.09.2025 15:00 72 10.5
17.09.2025 14:00 73 10.8
17.09.2025 13:00 73 11
17.09.2025 12:00 74 11.1
17.09.2025 11:00 73 11
17.09.2025 10:00 72 10.6
17.09.2025 09:00 70 9.97
17.09.2025 08:00 68 9.16
17.09.2025 07:00 65 8.3
17.09.2025 06:00 62 7.2
17.09.2025 05:00 58 6.19
17.09.2025 04:00 56 5.66
17.09.2025 03:00 56 5.44
17.09.2025 02:00 55 5.43
17.09.2025 01:00 56 5.46
17.09.2025 00:00 56 5.58
16.09.2025 23:00 57 5.72
16.09.2025 22:00 57 5.82
16.09.2025 21:00 58 5.95
16.09.2025 20:00 58 6.09
16.09.2025 19:00 59 6.24
16.09.2025 18:00 59 6.41
16.09.2025 17:00 60 6.59
16.09.2025 16:00 61 6.79
16.09.2025 15:00 61 7.02
16.09.2025 14:00 64 7.92
16.09.2025 13:00 68 9.16

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 16. 09. 2025 06:00
date Flood watch Flood warning Flooding
16. 09. 07h
less than 5%
less than 5%
less than 5%
16. 09. 19h
less than 5%
less than 5%
less than 5%
17. 09. 07h
less than 5%
less than 5%
less than 5%
17. 09. 19h
less than 5%
less than 5%
less than 5%
18. 09. 07h
less than 5%
less than 5%
less than 5%
18. 09. 19h
less than 5%
less than 5%
less than 5%
19. 09. 07h
less than 5%
less than 5%
less than 5%
Pravděpodobnostní zobrazení LAEF

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