Tropical Depression Barry dumped rain as it slowly swept inland through Gulf Coast states Sunday, sparing New Orleans from a direct hit but there were continued concerns elsewhere of flooding, tornadoes, and prolonged power outages.

Though the system was downgraded to a tropical depression Sunday afternoon and its winds were steadily weakening since it made landfall Saturday in Louisiana, Barry's rain bands created a flooding and tornado threat stretching from central Louisiana to eastern Mississippi and beyond .Much of Louisiana and Mississippi were under flash-flood watches, as were parts of Arkansas, eastern Texas, western Tennessee and southeastern Missouri.

Louisiana Gov. John Bel Edwards urged residents to be cautious as they ventured outside after a weekend in which many had sheltered indoors.

He said he was "extremely grateful" that the storm had not caused the disastrous floods that had earlier been forecast. More than 90 people had been rescued in 11 parishes, but there were no reports of weather-related fatalities, Governor Edwards said.

"This was a storm that obviously could have played out very, very differently," he said. "We're thankful that the worst-case scenario did not happen."

Forecasters warned of a continued threat of heavy rains into Monday as the center of the storm trudged inland. The U.S. National Hurricane Center said Sunday parts of south-central Louisiana could still have rainfall totals of up to 12 inches (30 centimeters), with isolated pockets of 15 inches (38 centimeters).

"This rainfall is expected to lead to dangerous, life-threatening flooding," forecasters wrote in an advisory Sunday.

In Mississippi, forecasters said 8 inches (20 centimeters) of rain had fallen in parts of Jasper and Jones counties, with several more inches possible. With torrential rain pounding the state's Interstate 59 corridor, only the headlights of oncoming cars were visible on the highway, and water flowed like a creek in the median.

Barry's center continued to move through northern Louisiana into Arkansas. The system, which had briefly become a Category 1 hurricane, had its maximum winds fall to 35 mph (56 kph).

New Orleans Mayor LaToya Cantrell said Sunday the city was "beyond lucky" that rainfall there fell well short of early predictions of a deluge that could overwhelm the city's pumping systems.

"We were spared," she said at a news conference, while noting the city was ready to help nearby parishes hit harder.

In a sign that the city was returning to normal, flights were resuming Sunday at its airport. Restaurants reopened, and people were retrieving their cars from medians and other high ground.

About 51,000 customers in Louisiana, 1,800 customers in Mississippi and another 1,700 customers in Arkansas were without power Sunday night, according to poweroutage.us.

Edwards thanked the public for taking officials' warnings seriously over the weekend, but he also reminded residents that it is still relatively early in the Atlantic's hurricane season.

"Based on what we've experienced, I think (we will be) even better prepared for next time — and we do know that there will be a next time," Edwards said.

Carrie Cuchens, who lost power at her home southeast of Lafayette, said crews were out working to remove trees that fell on power lines. Forecasters say the area, where several parishes were under a flash flood warning, could see 2 inches (5 centimeters) of additional rain on Sunday. Though some yards had pooling water, Cuchens didn't think her or her neighbors' homes would flood.

"There's certainly water, certainly a lot of water, and as it continues to rain there's always that concern," she said.

Another worry is that large trees could topple because of the saturated ground.

"If this rain sits on top of us, the ground of course now is already saturated," she said. "The roots are so saturated that if any wind, or any kind of shift happens, they're easier to come up out of the ground. It's not snapping limbs - it's the whole entire tree. We have 100-year-old trees back here."

To the southeast in Morgan City, Lois and Steve Bergeron spent Sunday cleaning up their lawn, which was littered with debris from trees. They were grateful the damage wasn't worse. "At least it didn't hit our house," she said.

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And in Mandeville, north of New Orleans along Lake Pontchartrain, Michael Forbes was also picking up limbs and other debris at his home as a drizzle fell. Water got under his house, which is on stilts, but there was no damage and the power never went off.

"I'll take this any day over something like Katrina," he said Sunday. "This will clear out, we'll clean up and we'll go on."

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Drew reported from Raleigh, North Carolina. Contributing to this report were Associated Press writers Kevin McGill in New Orleans; Jay Reeves in Mandeville; Rogelio Solis in Morgan City; Jeff Martin in Atlanta; Colleen Long in Washington and Jeffrey Collins in Columbia, South Carolina.

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This story was reported by the Associated Press.