Český Krumlov, river Polečnice (Kájovský potok), forecasting profile category A, Surface water

Gauge metadata

Czech hydrometeorological institute

• Graph
• Detail station (table)
• Probabilistic forecast

current status	Mean stage Tendency : Steady state
river	Polečnice (Kájovský potok)
gauge	Český Krumlov
category	A
inclusion	forecasting profile
altitude	482.3 a.s.l.
region	Jihočeský kraj
basin number	1-06-01
municipality	Český Krumlov
gauge operator	ČHMÚ České Budějovice
sub-basin	Horní Vltava

• Representation
• Legend
• Documentation

• Network of water gauges
  • Category A
  • Category B
  • Category C
  • SPA
  • Non-automated objects
  • Tendency
• Watercourses
• Regionalization
  • CHMI regional offices
  • Basin units
  • Region
  • Municipality

Water gauging profile

Forecasting profile

Non-automated object

the facility is not equipped with automated data collection

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Flood warning levels

Drought

Mean stage

Flood watch

Flood warning

Flooding

Extreme flooding

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Measurement affected

The measurement is affected by ice phenomena

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Tendency expresses a rise/decline in the value of water level at a station in the last 3 hours.

 Rapidly declining – water level value decreased by more than 20 cm in the last 3 hours

 declining – water level value decreased by more than 10 cm in the last 3 hours

 steady state – water level value was in the range of +15cm/-10cm in the last 3 hours

 rising – water level value increased by more than 15cm in the last 3 hours

 rapidly rising – water level value increased by more than 30 cm in the last 3 hours

Topografická mapa Základní mapa Ortofoto

Measured and predicted data

• Measured data
• Data in the chart range
• Model forecast

stage	date and time	stage [cm]	flow [m3.s-1]	temperature [°C]
	10.05.2025 05:30	15	0.482	8
	10.05.2025 05:20	15	0.482	8
	10.05.2025 05:10	15	0.482	8.1
	10.05.2025 05:00	15	0.482	8.1
	10.05.2025 04:50	15	0.482	8.2
	10.05.2025 04:40	15	0.482	8.2
	10.05.2025 04:00	15	0.482	8.4
	10.05.2025 03:00	15	0.482	8.7
	10.05.2025 02:00	15	0.482	9
	10.05.2025 01:00	15	0.482	9.3
	10.05.2025 00:00	15	0.482	9.6
	09.05.2025 23:00	15	0.482	9.9
	09.05.2025 22:00	15	0.482	10.3
	09.05.2025 21:00	15	0.482	10.6
	09.05.2025 20:00	15	0.482	10.8
	09.05.2025 19:00	16	0.53	11
	09.05.2025 18:00	16	0.53	11.2
	09.05.2025 17:00	16	0.53	11.3
	09.05.2025 16:00	16	0.53	11.2
	09.05.2025 15:00	16	0.53	10.9
	09.05.2025 14:00	15	0.482	10.6
	09.05.2025 13:00	16	0.53	10
	09.05.2025 12:00	15	0.482	9.5
	09.05.2025 11:00	16	0.53	8.9
	09.05.2025 10:00	16	0.53	8.4
	09.05.2025 09:00	15	0.482	8.2
	09.05.2025 08:00	15	0.482	8.2
	09.05.2025 07:00	15	0.482	8.3
	09.05.2025 06:00	15	0.482	8.5
	09.05.2025 05:00	16	0.53	8.8

the date the forecast was issued 09.05.2025 08:36

date and time	stage [cm]	flow [m3.s-1]
12.05.2025 02:00	15	0.476
12.05.2025 01:00	15	0.476
12.05.2025 00:00	15	0.477
11.05.2025 23:00	15	0.477
11.05.2025 22:00	15	0.477
11.05.2025 21:00	15	0.478
11.05.2025 20:00	15	0.478
11.05.2025 19:00	15	0.478
11.05.2025 18:00	15	0.479
11.05.2025 17:00	15	0.479
11.05.2025 16:00	15	0.479
11.05.2025 15:00	15	0.479
11.05.2025 14:00	15	0.479
11.05.2025 13:00	15	0.48
11.05.2025 12:00	15	0.48
11.05.2025 11:00	15	0.48
11.05.2025 10:00	15	0.48
11.05.2025 09:00	15	0.481
11.05.2025 08:00	15	0.481
11.05.2025 07:00	15	0.482
11.05.2025 06:00	15	0.482
11.05.2025 05:00	15	0.483
11.05.2025 04:00	15	0.483
11.05.2025 03:00	15	0.484
11.05.2025 02:00	15	0.484
11.05.2025 01:00	15	0.484
11.05.2025 00:00	15	0.485
10.05.2025 23:00	15	0.485
10.05.2025 22:00	15	0.485
10.05.2025 21:00	15	0.485
10.05.2025 20:00	15	0.486
10.05.2025 19:00	15	0.486
10.05.2025 18:00	15	0.486
10.05.2025 17:00	15	0.486
10.05.2025 16:00	15	0.487
10.05.2025 15:00	15	0.487
10.05.2025 14:00	15	0.487
10.05.2025 13:00	15	0.487
10.05.2025 12:00	15	0.488
10.05.2025 11:00	15	0.488
10.05.2025 10:00	15	0.488
10.05.2025 09:00	15	0.489
10.05.2025 08:00	15	0.489
10.05.2025 07:00	15	0.49
10.05.2025 06:00	15	0.49
10.05.2025 05:00	15	0.491
10.05.2025 04:00	15	0.491
10.05.2025 03:00	15	0.492
10.05.2025 02:00	15	0.492
10.05.2025 01:00	15	0.492
10.05.2025 00:00	15	0.493
09.05.2025 23:00	15	0.493
09.05.2025 22:00	15	0.493
09.05.2025 21:00	15	0.493
09.05.2025 20:00	15	0.494
09.05.2025 19:00	15	0.494
09.05.2025 18:00	15	0.494
09.05.2025 17:00	15	0.494
09.05.2025 16:00	15	0.494
09.05.2025 15:00	15	0.495
09.05.2025 14:00	15	0.495
09.05.2025 13:00	15	0.495
09.05.2025 12:00	15	0.495
09.05.2025 11:00	15	0.496
09.05.2025 10:00	15	0.496
09.05.2025 09:00	15	0.497
09.05.2025 08:00	15	0.497
09.05.2025 07:00	15	0.482

Flood warning limits

flood warning levels	water stage
Drought	6 cm
Flood watch	100 cm
Flood warning	140 cm
Flooding	170 cm
Extreme flooding	338 cm

Legend - measurement affected

Measurement affected

The measurement is affected by ice phenomena

Valid for / Critical locality :

Kájov - ústí Polečnice

Probability of exceeding levels of flood activity

time of release of the probabilistic forecast 09. 05. 2025 06:00

date	Flood watch	Flood warning	Flooding
09. 05. 07h	less than 5%	less than 5%	less than 5%
09. 05. 19h	less than 5%	less than 5%	less than 5%
10. 05. 07h	less than 5%	less than 5%	less than 5%
10. 05. 19h	less than 5%	less than 5%	less than 5%
11. 05. 07h	less than 5%	less than 5%	less than 5%
11. 05. 19h	less than 5%	less than 5%	less than 5%

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