Explore historical alert episodes computed from station thresholds: HDC (flood) and LDC (low water / drought). Data is limited to the Danube River plus Danube canals/branches, grouped by country and station.
Each episode shows start/end and duration. Open Flood Alerts or Drought Alerts to filter by country and view the exact daily water levels during an episode.
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DanubeAlert helps you monitor Danube water levels and understand when a station crosses a flood threshold (HDC) or a low-water threshold (LDC). This page summarizes historical alert episodes across Danube countries and key canals/branches.
If you search for Danube water level today, Danube flood warning, low water levels on the Danube, or Danube drought alerts, this overview is designed to answer those questions with clear episodes, durations, and exact levels.
Use Flood Alerts (HDC) for high-water episodes and Drought Alerts (LDC) for low-water episodes. Filter by country to focus on the stations you care about: Austria, Slovakia, Hungary, Croatia, Serbia, Bulgaria, Romania.
Each episode is computed from station thresholds and the daily first reading. Short data gaps can be bridged up to 3 days so episodes are not split due to missing data. Episodes are updated twice per day.
For each alert episode you can open “View levels” to see the exact daily levels during the episode. This is useful for planning, safety awareness, and understanding seasonal patterns on the Danube.
Flood alerts trigger when a station reaches or exceeds its HDC threshold. Browse episodes across Danube countries and key canals/branches.
| Country | Station | Waterway | Threshold | Duration | Max level | Details |
|---|---|---|---|---|---|---|
| Austria | Duernstein | Donau | 611 | 1 day (2025-07-30) | 628 | |
| Austria | Grein | Donau | 860 | 1 day (2025-07-30) | 864 | |
| Austria | Kienstock | Donau | 601 | 1 day (2025-07-30) | 606 |
Drought/low-water alerts trigger when a station reaches or drops below its LDC threshold. Browse low-water episodes across the Danube and related canals/branches.
| Country | Station | Waterway | Threshold | Duration | Min level | Details |
|---|---|---|---|---|---|---|
| Austria | Schwedenbruecke | Wiener Donaukanal | 288 | 6 days (2026-02-08 → today) | 279 | |
| Hungary | ERCSI | Duna | 26 | 59 days (2025-12-17 → today) | -68 | |
| Hungary | PAKS | Duna | 70 | 61 days (2025-12-15 → today) | -80 |
Start with the latest 3 alerts, then click “View all” to open the full tables. Use the country buttons to focus on one country at a time.
For any row, click “View levels” to see the exact daily values during the alert and quickly understand how extreme the episode was.
Tip: If the end shows “today”, the episode is still ongoing.