Slow-moving Tropical Storm Isaac continues to drench the central Gulf Coast region. Heading into Thursday, thousands of people in Louisiana, Mississippi and Alabama were under states of emergency.

A summary of the latest situations in each state:

Louisiana

-- New Orleans on Wednesday declared a dusk-to-dawn curfew.

-- Tulane University has canceled classes for the rest of the week and will resume on Tuesday after Labor Day, according to the university's website.

-- Louisiana State University, in Baton Rouge, will be closed through Thursday, the school said on its website.

-- Entergy officials said they are taking one of their nuclear power plants west of New Orleans offline.

-- State government offices were closed Wednesday and will remain closed Thursday.

-- New Orleans City Hall will reopen next Tuesday.

-- The U.S. Geological Survey said that the Mississippi River flowed backward for nearly 24 hours on Tuesday.

-- The new $165 million Seabrook Floodgate at the north end of the Industrial Canal was closed for the first time for a storm event.

-- Fifty-six parishes have issued emergency declarations.

-- Seven parishes announced mandatory evacuations in their jurisdictions.

-- Plaquemines Parish officials issued a curfew until sunrise Wednesday.

-- The Department of Corrections has moved prisoners from coastal parishes to state prison facilities.

-- Bus and street car service in New Orleans, and Amtrak and Greyhound service to and from the city have been shut down.

-- President Barack Obama declared a state of emergency, and federal aid is on the way.

-- The Federal Emergency Management Agency is in charge of recovery operations, and more than 5,000 National Guard troops have been activated.

-- The Louisiana National Guard has deployed 48 boat teams and 13 communications teams.

-- New Orleans Mayor Mitch Landrieu did not issue an evacuation order but called for people outside the city's protective levees to leave.

-- The city's pump stations have backup generators ready in case of electrical outages.

-- Crews have been evacuated from oil production platforms and drilling rigs in the Gulf of Mexico.

-- The Coast Guard has closed the Mississippi River from Baton Rouge to the Gulf of Mexico and will not respond to water emergencies until after the storm passes.

-- Cargo terminals within the Port of New Orleans have ceased operations.

-- The Texas A&M-Louisiana Tech football game, originally scheduled for Thursday in Shreveport, has been postponed until October 13.