Isaias Could Bring Heavy Rains, Flooding to Our Region. Here's the Latest

Isaias Could Bring Heavy Rains, Flooding to Our Region. Here's the Latest

Isaias was downgraded this afternoon from a hurricane to a tropical storm, but it’s likely to strengthen back into a Category 1 hurricane later this evening or tomorrow morning. It could reach our region by Tuesday, and could bring flooding due to heavy rains. As of Saturday night, the storm is moving slowly northwest, around 9 mph, between the Bahamas and the Florida coast. RAINFALL: 2-4 INCHES The worst impacts of Isaias could come late Tuesday afternoon through Tuesday night, in the form of fresh water flooding due to heavy rainfall. Between 2 and 4 inches of rainfall, or more, are possible from Tuesday morning through Tuesday night. The greatest threat for flash flooding will be across Philadelphia, the northern and western suburbs, Berks County and the Lehigh Valley, northern Del., and western New Jersey. Watch out for streets prone to flooding and areas along streams and rivers. Rainfall will be heaviest Tuesday afternoon through very early Wednesday morning. Areas of South Jersey, and the Del. & NJ beaches will see 1-3 inches of rain. These areas can handle much more rain, so flash flooding from rainfall is less likely. WIND: 30-50 MPH, STRONGEST AT THE SHORE: Strong gusty winds are likely Tuesday, especially the evening and night. The exact track of “Isaias” will determine how strong winds get and who gets the strongest winds. South Jersey, the Jersey and Delaware beaches have the best opportunity for 40-50 mph wind gusts. Areas in and around Philadelphia are more likely to get 25-35 mph gusts. Power ...
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