Flood watch in effect for northern Delaware beginning 2 a.m. Sunday

Northern parts of Delaware will be under a flood watch overnight throughout late Sunday night as heavy rainfall passes through the area.

The National Weather Service has issued a flood watch for New Castle County effective 2 a.m. Sunday through late-Sunday night.

The county joins parts of New Jersey and Pennsylvania that are also under a flood watch.

The weather service warns heavy rains and thunderstorms associated with a pending cold front will produce as much as 1-3 inches of rainfall, with potentially higher amounts of 4 inches or more in some areas.

Flooding may cause poor drainage in urban areas and runoff from area rivers, creeks and streams could result in flooding in low-lying areas, the weather service advised.

HURRICANE IMPACT: Ernesto sends big swell and rip currents to Delaware

The storms are unrelated to offshore Hurricane Ernesto, which is also impacting Delaware with potential coastal flooding and rip current advisories.

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This article originally appeared on Delaware News Journal: Flood watch in effect for northern Delaware beginning 2 a.m. Sunday