CLEVELAND, Ohio — Severe thunderstorms caused flooding on streets throughout the area in Northeast Ohio, according to police and other reports.

Flash flood warnings have been issued for Cuyahoga, Lorain, Medina and Summit counties, the National Weather Service reports. The flash flood warnings are in effect until 4 a.m. Tuesday.

Police in numerous communities were heard on scanner traffic responding to flooding complaints and reports of traffic accidents . North Royalton, Parma, Brunswick and North Ridgeville were particularly hard-hit.

WKYC Channel 3 reports evacuations are under way in North Ridgeville because of flash flooding and that the city has opened a shelter for those displaced by high water. In Summit County, Cuyahoga Falls Schools will be closed Tuesday because several buildings were damaged by flooding, according to the Cuyahoga Falls News Press. Cuyahoga Falls City Hall also will be closed. WKYC has a list of closings here.

In Medina County, flooding has trapped people in their homes on Granger Road, reports WEWS Channel 5. Summit County water rescue is on its way to assist residents.

Roads are beginning to slowly drain but police have been urging motorists to avoid driving if possible and there are still reports of flooded roads in the area.

All lanes of Interstate 480 eastbound were closed near Ohio 176 because of high water, WOIO Channel 19 reported at 10:19 p.m. Motorists are being detoured on Ohio 176 northbound. The Ohio Department of Transportation said the left two lanes were open just after 12:30 a.m. Tuesday, but two lanes remain closed.

Interstate 90 westbound has high water approaching Dead Man's Curve, Total Traffic Cleveland reported at 11:35 p.m.

WEWS Channel 5 reported at 11:40 p.m. a section of Interstate 77, between mileposts 138 and 142 in Summit County, was closed because of high water.

People reportedly were stuck in their cars because of flooding at West Pleasant Valley and Bradenton Boulevard in Parma just after 9 p.m. The eastbound lanes of Brookpark Road between West 50th Street and State Road were closed because of flooding.

A wall of storm clouds moves in from Lake Erie just east of the power plant in Avon Lake on Monday evening.

In North Royalton, police said at 11:19 p.m. that they were closing Ridge Road between Cady and Boston roads because of high water. However, they said at 11:41 p.m. most other roads were open, although some debris remained.

Earlier, North Royalton police closed York Road between Tilby Road and Albion Road. Oakridge Road in North Royalton also was impassible because of flooding, police report. Police said cars were stuck in water at Southampton Drive and Andover Lane.

At 10:30 p.m., North Royalton police closed State Road between Ohio 82 and Akins Road because of high water and stuck vehicles.

Flooding left large logs on York Road near Chesapeake Drive and Harley Hills, police report. The city's streets department used snow plows to clear debris, police said.

There also were reports of high water over a bridge on Akins Road near State Road.

In Hudson, sections of Barlow Road, Ravenna Street and Ohio 91 were closed.

Police in North Royalton, Brunswick and other communities urged residents not to call 9-1-1 unless it's a life-threatening emergency. They're also asking motorists to stay off the roads unless it's an emergency because it's been difficult to get emergency vehicles to affected areas.

North Royalton police were growing frustrated late Monday because people were not staying off roads:

Brunswick police officials reported major flooding and urged residents to stay off the roads. Ohio 303 was closed at Cherry Lane and there were reports of people trapped in cars throughout the city.

A pickup is stuck Monday night in water off State Road, south of Ohio 82, in North Royalton. Powerful storms hit the region, causing widespread flooding.

Berea police reported heavy flooding at the corner of Front Street and West Bagley Road and had to divert traffic. Police in Maple Heights said flooding was heavy at the corner of McCracken Road and Henry Street in front of Marymount Hospital.

The National Weather Service has issued flood warnings for Cuyahoga, Erie, Lorain, Geauga, Portage, Trumbull and Medina counties. The warnings are in effect until 4 a.m. Tuesday in Geauga, Portage and Trumbull, and noon Wednesday in Erie and Lorain counties.

FirstEnergy's website showed at 11:24 p.m. more than 6,000 customers were without power in Summit County, most in Akron. By 11:45 p.m. it had jumped to more than 7,000. Nearly 3,500 customers are without power in Portage County. Thousands were without power in Cuyahoga County earlier in the evening but all but 439 had it restored by 10:30 p.m.

Here's a look at photos people shared on Twitter during the storm: