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Last update: 12:00, 24 Aug 2026
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Myslowice (Mysłowice) sits at the confluence of the Black Przemsza and White Przemsza rivers, in the Vistula basin, where regional rainfall averages around 600mm a year with a summer maximum. A hyperlocal radar is the only way to see a storm cell building over the Przemsza confluence before it reaches the junction where the two rivers meet.
The mechanism is confluence-zone flood risk layered onto two centuries of coal-mining-altered hydrology. River-junction points such as Myslowice's Przemsza confluence are documented regionally as especially flood-prone when heavy rain concentrates runoff from both branches at once, and the dense urban and industrial land cover across the Upper Silesian basin is a known amplifier of local runoff intensity. A single basin-wide forecast can miss which branch of the Przemsza is rising fastest.
RainViewer draws its Myslowice feed from IMGW, refreshed every 5 minutes, so the map reflects new radar scans rather than a forecast written hours earlier. What a live map shows and a forecast cannot: whether a rain system over the Black Przemsza is intensifying toward the confluence or breaking up before it reaches the White Przemsza junction.
Rain peaks in summer across the Vistula basin, consistent with the regional pattern for the Upper Silesian industrial basin. This is the window when confluence-zone flood risk at the Przemsza junction is highest.
Retention reservoirs upstream on the Przemsza — Przeczysta and Pogoria — exist specifically for flood protection and water supply, a sign of a recognized recurring seasonal flood-management need at the confluence.
Winters bring the Vistula basin's calmer, colder season, though the confluence position means Myslowice still warrants radar checks whenever heavy rain or snowmelt raises both branches of the Przemsza at once.
KWK Mysłowice-Wesoła, operated by Polska Grupa Górnicza, holds one of Poland's largest coal reserves at roughly 232 million tonnes and produces about 3 million tonnes a year, with mining scheduled to continue until 2041 under the national coal-phaseout agreement. Surface operations and haul routes exposed to heavy rain benefit from a radar update every 5 minutes rather than a daily forecast.
Myslowice sits directly at the Black Przemsza and White Przemsza junction, a location type documented as especially flood-prone regionally. Residents near the confluence can watch the radar during a heavy-rain event rather than waiting for a citywide bulletin.
Dense urban and industrial land cover across the Upper Silesian basin amplifies local runoff, so a storm cell can flood one street while a nearby one stays dry. Commuters checking the radar before leaving home can time a route around the worst of it.
The Przeczysta and Pogoria retention reservoirs upstream on the Przemsza actively manage seasonal high-water events. Anyone working or spending time near these flood-control reservoirs benefits from checking the radar before heavy rain arrives upstream.
RainViewer draws radar data for Poland from the Institute of Meteorology and Water Management (IMGW) via danepubliczne.imgw.pl, updated every 5 minutes. Coverage is comprehensive across the country. Myslowice sits close enough to Katowice, Sosnowiec, and Chorzow that storm systems approaching from those directions are visible on the same map well before they reach the Przemsza confluence.
Myslowice sits at the confluence of the Black Przemsza and White Przemsza rivers, a location type documented as especially flood-prone when both branches rise together. A hyperlocal radar is the fastest way to know current conditions, and RainViewer pulls fresh IMGW radar scans every 5 minutes, showing conditions as they are rather than a forecast written hours earlier.
Surface operations at KWK Mysłowice-Wesoła sit within the Upper Silesian basin, where dense industrial land cover amplifies runoff during heavy rain. Checking the radar before scheduling outdoor work shows whether an approaching system is a short shower or a longer event worth planning around.
The Upper Silesian basin's dense urban and industrial land cover means a storm cell can flood one street while a nearby one stays dry. Checking the live radar before leaving home is more reliable than a citywide forecast for a short commute.
Myslowice sits directly at the Black Przemsza and White Przemsza junction, a river-confluence location documented regionally as especially flood-prone, and retention reservoirs upstream at Przeczysta and Pogoria exist specifically to manage that risk. Residents near the confluence should track radar closely once a heavy-rain system moves through the basin.
Summer carries the Vistula basin's rainfall maximum, consistent with the regional pattern across the Upper Silesian industrial basin. Visitors near the Przemsza confluence or the KWK Mysłowice-Wesoła site should watch the radar closely during this window.
Myslowice's position at the Black Przemsza and White Przemsza confluence, combined with dense urban and industrial land cover, means a storm cell can affect one branch of the river before the other. A basin-wide forecast cannot show that split — only a live radar tracking the cell's actual path can.
Yes — RainViewer's hyperlocal radar for Myslowice draws directly from IMGW, refreshing every 5 minutes with new scans instead of a periodic forecast update. The map covers the surrounding Upper Silesian basin, so systems approaching from Katowice or Sosnowiec are visible before they reach the confluence.
Yes — RainViewer's rain alerts can be set for a specific point like the Przemsza confluence or the KWK Mysłowice-Wesoła site, so residents and workers get a notification as a cell approaches instead of checking the map manually. That advance window is what lets a mine operations team plan around the rain before it arrives.
KWK Mysłowice-Wesoła's surface crews and residents near the Black Przemsza and White Przemsza confluence both work in a basin where dense urban and industrial land cover can turn heavy rain into fast-rising runoff. Storms here often track in from the west with the region's frontal weather, and the confluence position means both river branches can rise at once.
A generic forecast says scattered showers for Myslowice this week. RainViewer's live hyperlocal radar shows it is already raining over the Przemsza confluence while the KWK Mysłowice-Wesoła site stays dry — that is the call a mine operations team makes every time a system builds.
Track rain in Myslowice — free Upgrade to Essential for alerts, forecasts, and full radar history
See whether a cell building near the Przemsza confluence clears the area or settles in for the next two hours.
Set an alert for the confluence or the KWK Mysłowice-Wesoła site and get notified before a system reaches it.
See whether a front is tracking in from the west toward Myslowice or breaking apart before it arrives.
Review the last 48 hours to see how a rain system built and moved across the Upper Silesian basin.
Track the Przemsza confluence, the KWK Mysłowice-Wesoła site, and the Przeczysta reservoir at the same time.