Rychnov nad Kněžnou, river Kněžná, flood warning profile category B, Surface water

Czech hydrometeorological institute


current status
Mean stage
Tendency : Steady state
river Kněžná
gauge Rychnov nad Kněžnou
category B
inclusion Hlásný profil
altitude 302.96 a.s.l.
region Královéhradecký kraj
basin number 1-02-01
municipality Rychnov nad Kněžnou
gauge operator ČHMÚ Hradec Králové
sub-basin Horní a střední Labe

Measured data

stage date and time stage [cm] flow [m3.s-1] temperature [°C]
16.06.2025 05:00 11 0.297  
16.06.2025 04:50 12 0.332  
16.06.2025 04:40 12 0.332  
16.06.2025 04:30 13 0.368  
16.06.2025 04:20 14 0.406  
16.06.2025 04:10 14 0.406  
16.06.2025 04:00 14 0.406  
16.06.2025 03:00 6 0.153  
16.06.2025 02:00 6 0.153  
16.06.2025 01:00 6 0.153  
16.06.2025 00:00 6 0.153  
15.06.2025 23:00 6 0.153  
15.06.2025 22:00 6 0.153  
15.06.2025 21:00 6 0.153  
15.06.2025 20:00 7 0.177  
15.06.2025 19:00 7 0.177  
15.06.2025 18:00 8 0.204  
15.06.2025 17:00 9 0.233  
15.06.2025 16:00 7 0.177  
15.06.2025 15:00 7 0.177  
15.06.2025 14:00 7 0.177  
15.06.2025 13:00 7 0.177  
15.06.2025 12:00 7 0.177  
15.06.2025 11:00 7 0.177  
15.06.2025 10:00 7 0.177  
15.06.2025 09:00 7 0.177  
15.06.2025 08:00 7 0.177  
15.06.2025 07:00 6 0.153  
15.06.2025 06:00 6 0.153  
15.06.2025 05:00 7 0.177  

Flood warning limits

flood warning levels water stage
Drought -1 cm
Flood watch 100 cm
Flood warning 130 cm
Flooding 160 cm
Extreme flooding 311 cm

Legend - measurement affected

Measurement affected
The measurement is affected by ice phenomena

Valid for / Critical locality :

celý tok

Probability of exceeding levels of flood activity

time of release of the probabilistic forecast 15. 06. 2025 06:00
date Flood watch Flood warning Flooding
15. 06. 07h
less than 5%
less than 5%
less than 5%
15. 06. 19h
less than 5%
less than 5%
less than 5%
16. 06. 07h
less than 5%
less than 5%
less than 5%
16. 06. 19h
less than 5%
less than 5%
less than 5%
17. 06. 07h
less than 5%
less than 5%
less than 5%
17. 06. 19h
less than 5%
less than 5%
less than 5%
18. 06. 07h
less than 5%
less than 5%
less than 5%
Pravděpodobnostní zobrazení LAEF

©Český hydrometeorologický ústav