"Numerous" roads in New Orleans are underwater and more rain is on the way

The big picture: The National Weather Service issued flash flood alerts for New Orleans metro until 3:45pm.

• "Numerous roads in and around New Orleans are underwater and impassible," the alert reads. "This is a particularly dangerous situation."
• Neutral ground parking is allowed until 8pm. See the list of flooded roads and underpasses.
• Metairie also is experiencing life-threatening flash flooding, forecasters say.

Threat level: The storms could continue dumping rain until 7pm, NWS says.

• Current estimates say 1 to 3 inches of rain have fallen as of 12:45pm, NWS says, and another 3 inches are possible.
• Tornadoes, damaging winds and large hail are also possible.

Meanwhile, City Hall and other government offices are closed, along with many schools and Audubon Zoo.

By the numbers: S&WB says 92 of the 99 major drainage pumps are working as of Tuesday afternoon.

• Check your neighborhood pump status.

Zoom in: About 70,000 Entergy customers were without power as of 11:30am, according to the utility company's online map.

• About 1,200 were in Jefferson and 650 were in Orleans Parish.

Editor's note: This story was updated Wednesday afternoon with new forecast details.