High Rainfall Forecasted for Philadelphia on September 13, 2026
An automated alert from wweather1.com forecasts high precipitation levels for Philadelphia on September 13, 2026. Expected rainfall of 81.1 mm has triggered a high-severity alert after crossing the 30 mm threshold.
An automated system alert was generated by wweather1.com for Philadelphia, United States, with an event start time recorded at 00:00:00 UTC on September 13, 2026.
According to forecast data for September 13, 2026, the city is projected to receive 81.1 mm of rainfall. This event has been classified with a high severity level based on the expected volume of rain.
The system automatically issued this notification after the forecasted precipitation value crossed the established threshold of 30 mm. The alert relies directly on internal forecast data monitored by wweather1.com.