Storms prompted flash flood warnings across the New York City metropolitan area Monday night, with photos showing severe flooding across the city and in parts of New York state and New Jersey.

Viewers sent in photos and videos from overnight flooding in Northwest Arkansas. The National Weather Service in Tulsa issued a flash flood warning overnight for parts of Benton and Washington County.

Severe flash flooding across the tri-state area on Monday caused major subway delays and road closures across the Big Apple and pushed New Jersey to declare a state of emergency. All five boroughs and Nassau County were under a flash flood warning through midnight, according to the National Weather Service.

Residents were asked to limit their water use through Saturday to decrease strain on the city's wastewater systems.

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Even when floods can be anticipated, communicating their severity to the public is a tall order. Because flash floods are very localized, even neighborhood-level warnings may seem like false alarms to some residents, leading to what the journalist Zoë Schlanger has dubbed “ alert fatigue .”

ARKANSAS, USA — H eavy rain is impacting parts of Arkansas and Oklahoma, prompting flash flood warnings across the region on Tuesday, July 8. 5NEWS viewers are already submitting photos and videos of heavily flooded yards, roads, driveways and more.

At least four inches of rain have fallen in Washington County, Indiana, causing flash flooding in New Pekin. The Washington County Sheriff's Office shared stunning video showing a camper being swept away in the rising water near Shorts Corner Road, just off IN-60 behind Casey's gas station, around 7:15 p.m.

The flood warning is in effect until Tuesday, July 15, at 7 a.m. for the Frio River. NWS said that major flooding is forecast for the Frio River below Dry Frio, with the National Water Prediction Service predicting the river will hit 18.6 feet at around 5 p.m. The major flood stage for the Frio River is 17 feet.