29 Jun 2022 | 10:01 AM UTC
Poland: Adverse weather forecast across southern and southwestern regions through at least July 1 /update 1
Thunderstorms forecast across southern and southwestern Poland through July 1. Transport, business, and utility disruptions possible.
Event
Periods of thunderstorm activity are forecast across parts of southern and southwestern Poland through at least July 1. As of June 29, the Institute of Meteorology and Water Management has issued orange thunderstorm warnings (the middle level on a three-tier scale) across Lower Silesia and Opole provinces and yellow warnings across Silesia, most of Lesser Poland, and central and southern Subcarpathia provinces. Thunderstorms will bring rainfall totals of up to 5 cm (2 inches) across parts of the affected areas, as well as wind gusts reaching up to 90 kph (56 mph) and possible hail storms. Further showers and thunderstorms are forecast across parts of western and southern Poland through July 1. Officials could update and possibly extend the coverage of weather alerts over the coming days.
Hazardous Conditions
Sustained heavy rainfall could trigger flooding in low-lying communities near rivers, streams, and creeks. Urban flooding is also possible in developed areas with easily overwhelmed or a lack of stormwater drainage systems. Sites located downstream from large reservoirs or rivers may be subject to flash flooding after relatively short periods of intense rainfall. Landslides are possible in hilly or mountainous areas, especially where the soil has become saturated by heavy rainfall. Disruptions to electricity and telecommunications services are possible where significant flooding, strong winds, or landslides impact utility networks.
Transport
Floodwaters and debris flows may render some bridges, rail networks, or roadways impassable, impacting overland travel in and around affected areas. Ponding on road surfaces could cause hazardous driving conditions on regional highways. Authorities could temporarily close some low-lying routes that become inundated by floodwaters. Severe weather could also trigger flight delays and cancellations at airports in the affected region. Flooding could block regional rail lines; freight and passenger train delays and cancellations are likely in areas that see heavy rainfall and potential track inundation.
Localized business disruptions may occur in low-lying areas; some businesses might not operate at full capacity because of flood damage to facilities and some employees' inability to reach work sites.
Advice
Monitor local media for weather updates and related advisories. Confirm all transport reservations and business appointments before travel. Make allowances for localized travel delays and potential supply chain disruptions where flooding has been forecast. Do not drive on flooded roads. Charge battery-powered devices in the case of prolonged electricity outages.
