Louňovice pod Blaníkem, river Blanice, flood warning profile category B, Surface water

Czech hydrometeorological institute


current status
Mean stage
Tendency : Steady state
river Blanice
gauge Louňovice pod Blaníkem
category B
inclusion Hlásný profil
altitude 379.44 a.s.l.
region Středočeský kraj
basin number 1-09-03
municipality Vlašim
gauge operator ČHMÚ Praha
sub-basin Dolní Vltava

Measured data

stage date and time stage [cm] flow [m3.s-1] temperature [°C]
19.04.2025 03:30 139 0.458 13.7
19.04.2025 03:20 139 0.458 13.7
19.04.2025 03:10 139 0.458 13.7
19.04.2025 03:00 139 0.458 13.7
19.04.2025 02:50 139 0.458 13.7
19.04.2025 02:40 139 0.458 13.7
19.04.2025 02:30 139 0.458 13.8
19.04.2025 02:00 139 0.458 13.8
19.04.2025 01:00 139 0.458 13.9
19.04.2025 00:00 138 0.419 14
18.04.2025 23:00 138 0.419 14.1
18.04.2025 22:00 137 0.381 14.2
18.04.2025 21:00 137 0.381 14.3
18.04.2025 20:00 137 0.381 14.4
18.04.2025 19:00 137 0.381 14.4
18.04.2025 18:00 137 0.381 14.5
18.04.2025 17:00 137 0.381 14.6
18.04.2025 16:00 137 0.381 14.7
18.04.2025 15:00 136 0.344 14.7
18.04.2025 14:00 135 0.309 14.8
18.04.2025 13:00 135 0.309 14.8
18.04.2025 12:00 135 0.309 14.9
18.04.2025 11:00 135 0.309 15
18.04.2025 10:00 135 0.309 15
18.04.2025 09:00 135 0.309 15.1
18.04.2025 08:00 135 0.309 15.2
18.04.2025 07:00 135 0.309 15.2
18.04.2025 06:00 135 0.309 15.3
18.04.2025 05:00 135 0.309 15.3
18.04.2025 04:00 135 0.309 15.4
18.04.2025 03:00 135 0.309 15.4

Flood warning limits

flood warning levels water stage
Drought 122 cm
Flood watch 185 cm
Flood warning 270 cm
Flooding 335 cm
Extreme flooding 370 cm

Legend - measurement affected

Measurement affected
The measurement is affected by ice phenomena

Valid for / Critical locality :

Louňovice - ústí Chotýšanky

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%
21. 04. 07h
less than 5%
less than 5%
less than 5%
Pravděpodobnostní zobrazení LAEF

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