Dolní Ostrovec, river Lomnice, forecasting profile category A, Surface water

Czech hydrometeorological institute


current status
Mean stage
Tendency : Steady state
river Lomnice
gauge Dolní Ostrovec
category A
inclusion forecasting profile
altitude 375.35 a.s.l.
region Jihočeský kraj
basin number 1-08-04
municipality Písek
gauge operator ČHMÚ České Budějovice
sub-basin Horní Vltava

Measured and predicted data

stage date and time stage [cm] flow [m3.s-1] temperature [°C]
19.04.2025 11:40 50 0.586 12.3
19.04.2025 11:30 50 0.586 12.3
19.04.2025 11:20 50 0.586 12.3
19.04.2025 11:10 50 0.586 12.3
19.04.2025 11:00 50 0.586 12.4
19.04.2025 10:50 50 0.586 12.4
19.04.2025 10:00 50 0.586 12.4
19.04.2025 09:00 50 0.586 12.4
19.04.2025 08:00 50 0.586 12.5
19.04.2025 07:00 51 0.645 12.5
19.04.2025 06:00 51 0.645 12.6
19.04.2025 05:00 51 0.645 12.6
19.04.2025 04:00 51 0.645 12.7
19.04.2025 03:00 51 0.645 12.7
19.04.2025 02:00 50 0.586 12.7
19.04.2025 01:00 49 0.53 12.8
19.04.2025 00:00 49 0.53 12.8
18.04.2025 23:00 48 0.478 12.8
18.04.2025 22:00 48 0.478 12.9
18.04.2025 21:00 47 0.429 12.9
18.04.2025 20:00 47 0.429 12.9
18.04.2025 19:00 48 0.478 13
18.04.2025 18:00 47 0.429 13
18.04.2025 17:00 46 0.383 13
18.04.2025 16:00 46 0.383 13.1
18.04.2025 15:00 46 0.383 13.1
18.04.2025 14:00 45 0.341 13.1
18.04.2025 13:00 44 0.303 13.1
18.04.2025 12:00 44 0.303 13.2
18.04.2025 11:00 44 0.303 13.2
the date the forecast was issued 19.04.2025 08:14
date and time stage [cm] flow [m3.s-1]
22.04.2025 02:00 56 1.03
22.04.2025 01:00 55 0.928
22.04.2025 00:00 54 0.826
21.04.2025 23:00 52 0.718
21.04.2025 22:00 50 0.559
21.04.2025 21:00 48 0.495
21.04.2025 20:00 48 0.491
21.04.2025 19:00 48 0.492
21.04.2025 18:00 48 0.492
21.04.2025 17:00 48 0.493
21.04.2025 16:00 48 0.494
21.04.2025 15:00 48 0.494
21.04.2025 14:00 48 0.495
21.04.2025 13:00 48 0.496
21.04.2025 12:00 48 0.496
21.04.2025 11:00 48 0.497
21.04.2025 10:00 48 0.498
21.04.2025 09:00 48 0.499
21.04.2025 08:00 48 0.5
21.04.2025 07:00 48 0.501
21.04.2025 06:00 48 0.502
21.04.2025 05:00 48 0.502
21.04.2025 04:00 48 0.503
21.04.2025 03:00 48 0.504
21.04.2025 02:00 49 0.505
21.04.2025 01:00 49 0.506
21.04.2025 00:00 49 0.506
20.04.2025 23:00 49 0.507
20.04.2025 22:00 49 0.508
20.04.2025 21:00 49 0.508
20.04.2025 20:00 49 0.509
20.04.2025 19:00 49 0.51
20.04.2025 18:00 49 0.511
20.04.2025 17:00 49 0.512
20.04.2025 16:00 49 0.513
20.04.2025 15:00 49 0.513
20.04.2025 14:00 49 0.514
20.04.2025 13:00 49 0.516
20.04.2025 12:00 49 0.517
20.04.2025 11:00 49 0.518
20.04.2025 10:00 49 0.519
20.04.2025 09:00 49 0.52
20.04.2025 08:00 49 0.521
20.04.2025 07:00 49 0.521
20.04.2025 06:00 49 0.522
20.04.2025 05:00 49 0.523
20.04.2025 04:00 49 0.524
20.04.2025 03:00 49 0.525
20.04.2025 02:00 49 0.527
20.04.2025 01:00 49 0.528
20.04.2025 00:00 49 0.529
19.04.2025 23:00 49 0.53
19.04.2025 22:00 49 0.532
19.04.2025 21:00 49 0.533
19.04.2025 20:00 49 0.535
19.04.2025 19:00 49 0.537
19.04.2025 18:00 49 0.54
19.04.2025 17:00 49 0.543
19.04.2025 16:00 49 0.546
19.04.2025 15:00 49 0.551
19.04.2025 14:00 49 0.557
19.04.2025 13:00 50 0.565
19.04.2025 12:00 50 0.575
19.04.2025 11:00 50 0.588
19.04.2025 10:00 50 0.602
19.04.2025 09:00 51 0.616
19.04.2025 08:00 51 0.629
19.04.2025 07:00 51 0.645

Flood warning limits

flood warning levels water stage
Drought 31 cm
Flood watch 145 cm
Flood warning 175 cm
Flooding 220 cm
Extreme flooding 281 cm

Legend - measurement affected

Measurement affected
The measurement is affected by ice phenomena

Valid for / Critical locality :

Ostrovec - ústí do Otavy

Probability of exceeding levels of flood activity

time of release of the probabilistic forecast 19. 04. 2025 06:00
date Flood watch Flood warning Flooding
19. 04. 07h
less than 5%
less than 5%
less than 5%
19. 04. 19h
less than 5%
less than 5%
less than 5%
20. 04. 07h
less than 5%
less than 5%
less than 5%
20. 04. 19h
less than 5%
less than 5%
less than 5%
21. 04. 07h
less than 5%
less than 5%
less than 5%
21. 04. 19h
less than 5%
less than 5%
less than 5%
Pravděpodobnostní zobrazení LAEF

©Český hydrometeorologický ústav