Jablonec nad Jizerou, river Jizera, forecasting profile category A, Surface water

Czech hydrometeorological institute


current status
Mean stage
Tendency : Steady state
river Jizera
gauge Jablonec nad Jizerou
category A
inclusion forecasting profile
altitude 434.77 a.s.l.
region Liberecký kraj
basin number 1-05-01
municipality Jilemnice
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 00:30 2 1.77 13.3
04.09.2025 00:20 2 1.77 13.3
04.09.2025 00:10 2 1.77 13.3
04.09.2025 00:00 2 1.77 13.4
03.09.2025 23:50 2 1.77 13.4
03.09.2025 23:40 2 1.77 13.4
03.09.2025 23:00 2 1.77 13.5
03.09.2025 22:00 1 1.66 13.6
03.09.2025 21:00 1 1.66 13.7
03.09.2025 20:00 3 1.88 14
03.09.2025 19:00 2 1.77 14.3
03.09.2025 18:00 2 1.77 14.7
03.09.2025 17:00 3 1.88 14.9
03.09.2025 16:00 2 1.77 14.6
03.09.2025 15:00 2 1.77 14.2
03.09.2025 14:00 2 1.77 13.9
03.09.2025 13:00 2 1.77 13.7
03.09.2025 12:00 1 1.66 13.4
03.09.2025 11:00 2 1.77 13.4
03.09.2025 10:00 2 1.77 13.2
03.09.2025 09:00 3 1.88 12.7
03.09.2025 08:00 3 1.88 12.5
03.09.2025 07:00 4 1.99 12.5
03.09.2025 06:00 4 1.99 12.6
03.09.2025 05:00 3 1.88 12.7
03.09.2025 04:00 3 1.88 12.8
03.09.2025 03:00 4 1.99 12.9
03.09.2025 02:00 4 1.99 12.9
03.09.2025 01:00 3 1.88 13
03.09.2025 00:00 4 1.99 13.1
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 43 8.85
06.09.2025 07:00 36 7.14
06.09.2025 06:00 27 5.44
06.09.2025 05:00 19 3.99
06.09.2025 04:00 12 2.97
06.09.2025 03:00 7 2.38
06.09.2025 02:00 5 2.08
06.09.2025 01:00 3 1.85
06.09.2025 00:00 2 1.77
05.09.2025 23:00 2 1.76
05.09.2025 22:00 2 1.75
05.09.2025 21:00 2 1.75
05.09.2025 20:00 2 1.74
05.09.2025 19:00 2 1.75
05.09.2025 18:00 2 1.81
05.09.2025 17:00 2 1.79
05.09.2025 16:00 2 1.76
05.09.2025 15:00 1 1.68
05.09.2025 14:00 1 1.63
05.09.2025 13:00 1 1.62
05.09.2025 12:00 1 1.63
05.09.2025 11:00 1 1.63
05.09.2025 10:00 1 1.63
05.09.2025 09:00 1 1.63
05.09.2025 08:00 1 1.64
05.09.2025 07:00 1 1.64
05.09.2025 06:00 1 1.64
05.09.2025 05:00 1 1.64
05.09.2025 04:00 1 1.64
05.09.2025 03:00 1 1.64
05.09.2025 02:00 1 1.64
05.09.2025 01:00 1 1.65
05.09.2025 00:00 1 1.65
04.09.2025 23:00 1 1.65
04.09.2025 22:00 1 1.65
04.09.2025 21:00 1 1.65
04.09.2025 20:00 1 1.65
04.09.2025 19:00 1 1.65
04.09.2025 18:00 1 1.64
04.09.2025 17:00 1 1.64
04.09.2025 16:00 1 1.65
04.09.2025 15:00 1 1.65
04.09.2025 14:00 1 1.66
04.09.2025 13:00 1 1.67
04.09.2025 12:00 1 1.67
04.09.2025 11:00 1 1.67
04.09.2025 10:00 1 1.68
04.09.2025 09:00 1 1.68
04.09.2025 08:00 1 1.68
04.09.2025 07:00 1 1.68
04.09.2025 06:00 1 1.69
04.09.2025 05:00 1 1.69
04.09.2025 04:00 1 1.69
04.09.2025 03:00 1 1.69
04.09.2025 02:00 1 1.7
04.09.2025 01:00 1 1.7
04.09.2025 00:00 1 1.7
03.09.2025 23:00 1 1.7
03.09.2025 22:00 1 1.71
03.09.2025 21:00 1 1.71
03.09.2025 20:00 1 1.71
03.09.2025 19:00 1 1.71
03.09.2025 18:00 1 1.71
03.09.2025 17:00 1 1.71
03.09.2025 16:00 2 1.72
03.09.2025 15:00 2 1.73
03.09.2025 14:00 2 1.74
03.09.2025 13:00 2 1.77

Flood warning limits

flood warning levels water stage
Drought -4 cm
Flood watch 150 cm
Flood warning 180 cm
Flooding 210 cm
Extreme flooding 393 cm

Legend - measurement affected

Measurement affected
The measurement is affected by ice phenomena

Valid for / Critical locality :

horní tok Jizery po ústí Jizerky

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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