Flood warning and forecasting service

FWFS

Modrava, river Vydra, forecasting profile category A, Surface water

Gauge metadata
Czech hydrometeorological institute
current status
Mean stage
Tendency : Steady state
river Vydra
gauge Modrava
category A
inclusion forecasting profile
altitude 973.28 a.s.l.
region Plzeňský kraj
basin number 1-08-01
municipality Sušice
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]
18.04.2025 20:50 65 5.49  
18.04.2025 20:40 65 5.49  
18.04.2025 20:30 65 5.49  
18.04.2025 20:20 65 5.49  
18.04.2025 20:10 65 5.49  
18.04.2025 20:00 65 5.49  
18.04.2025 19:00 64 5.14  
18.04.2025 18:00 63 4.8  
18.04.2025 17:00 61 4.17  
18.04.2025 16:00 60 3.87  
18.04.2025 15:00 58 3.32  
18.04.2025 14:00 57 3.07  
18.04.2025 13:00 55 2.61  
18.04.2025 12:00 55 2.61  
18.04.2025 11:00 54 2.4  
18.04.2025 10:00 54 2.4  
18.04.2025 09:00 54 2.4  
18.04.2025 08:00 54 2.4  
18.04.2025 07:00 54 2.4  
18.04.2025 06:00 54 2.4  
18.04.2025 05:00 54 2.4  
18.04.2025 04:00 54 2.4  
18.04.2025 03:00 54 2.4  
18.04.2025 02:00 54 2.4  
18.04.2025 01:00 54 2.4  
18.04.2025 00:00 54 2.4  
17.04.2025 23:00 54 2.4  
17.04.2025 22:00 54 2.4  
17.04.2025 21:00 54 2.4  
the date the forecast was issued 18.04.2025 08:18
date and time stage [cm] flow [m3.s-1]
21.04.2025 02:00 54 2.34
21.04.2025 01:00 54 2.36
21.04.2025 00:00 54 2.38
20.04.2025 23:00 54 2.4
20.04.2025 22:00 54 2.43
20.04.2025 21:00 54 2.45
20.04.2025 20:00 54 2.47
20.04.2025 19:00 54 2.5
20.04.2025 18:00 55 2.53
20.04.2025 17:00 55 2.56
20.04.2025 16:00 55 2.59
20.04.2025 15:00 55 2.62
20.04.2025 14:00 55 2.65
20.04.2025 13:00 55 2.68
20.04.2025 12:00 55 2.71
20.04.2025 11:00 56 2.75
20.04.2025 10:00 56 2.8
20.04.2025 09:00 56 2.85
20.04.2025 08:00 56 2.91
20.04.2025 07:00 57 2.97
20.04.2025 06:00 57 3.04
20.04.2025 05:00 57 3.12
20.04.2025 04:00 58 3.2
20.04.2025 03:00 58 3.29
20.04.2025 02:00 58 3.38
20.04.2025 01:00 59 3.49
20.04.2025 00:00 59 3.61
19.04.2025 23:00 60 3.75
19.04.2025 22:00 60 3.89
19.04.2025 21:00 61 4.04
19.04.2025 20:00 61 4.21
19.04.2025 19:00 62 4.38
19.04.2025 18:00 62 4.58
19.04.2025 17:00 63 4.79
19.04.2025 16:00 64 5.02
19.04.2025 15:00 64 5.27
19.04.2025 14:00 65 5.54
19.04.2025 13:00 66 5.85
19.04.2025 12:00 67 6.18
19.04.2025 11:00 68 6.54
19.04.2025 10:00 69 6.93
19.04.2025 09:00 70 7.37
19.04.2025 08:00 71 7.84
19.04.2025 07:00 72 8.35
19.04.2025 06:00 73 8.92
19.04.2025 05:00 74 9.56
19.04.2025 04:00 76 10.3
19.04.2025 03:00 77 11
19.04.2025 02:00 79 11.9
19.04.2025 01:00 81 12.9
19.04.2025 00:00 83 13.9
18.04.2025 23:00 84 14.6
18.04.2025 22:00 85 14.9
18.04.2025 21:00 85 15.3
18.04.2025 20:00 86 15.7
18.04.2025 19:00 86 15.7
18.04.2025 18:00 85 15
18.04.2025 17:00 83 14.1
18.04.2025 16:00 81 13
18.04.2025 15:00 81 12.6
18.04.2025 14:00 78 11.5
18.04.2025 13:00 75 9.57
18.04.2025 12:00 68 6.62
18.04.2025 11:00 60 3.84
18.04.2025 10:00 56 2.76
18.04.2025 09:00 54 2.43
18.04.2025 08:00 54 2.39
18.04.2025 07:00 54 2.4

Flood warning limits

flood warning levels water stage
Drought 44 cm
Flood watch 120 cm
Flood warning 140 cm
Flooding 160 cm
Extreme flooding 202 cm

Legend - measurement affected

Measurement affected
The measurement is affected by ice phenomena

Valid for / Critical locality :

Modrava - Čeňkova pila

Probability of exceeding levels of flood activity

time of release of the probabilistic forecast 18. 04. 2025 06:00
date Flood watch Flood warning Flooding
18. 04. 07h
less than 5%
less than 5%
less than 5%
18. 04. 19h
less than 5%
less than 5%
less than 5%
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%
Pravděpodobnostní zobrazení LAEF
©Český hydrometeorologický ústav