PHILADELPHIA, PA. — Flash flooding is expected overnight tonight into tomorrow morning across much of the Northeast, with forecasters warning that an elevated flash flooding event is increasingly likely across Pennsylvania, New Jersey, southern New York and into southern New England, with rainfall totals mainly up to 2 inches but some locations under heavy thunderstorms potentially seeing 4 inches or more.
An Elevated Flash Flooding Event Grows Increasingly Likely
Forecasters describe tonight’s setup as an elevated flash flooding event, a designation reflecting growing confidence that widespread, significant flooding impacts are likely rather than just possible across the highlighted region. That kind of increasingly confident language typically emerges as multiple pieces of forecast data, including model guidance, moisture levels and storm timing, all point toward the same outcome…