123 people are now confirmed dead. 503 are in shelters across the region.
Primary and secondary search and rescue mission have been completed. 18 cadaver dog teams are now searching the area.
Joplin law enforcement has requested additional assistance, and Jasper County 911 has indicated the need for more 911 operators.
All of the arterial and collector streets in Joplin have been cleared of debris.
The massive tornado that tore through Joplin, Mo. is now officially the deadliest single twister in the U.S. in nearly six decades with a death toll of at least 122. The National Weather Service says the tornado was a highest-rated EF5 storm, with winds greater than 200 mph.
City Manager Mark Rohr said Tuesday that more than 750 people were injured. Nine people also have been recovered from debris and authorities say the search and rescue is continuing.
The twister that hit Joplin on Sunday is the deadliest single tornado since the National Weather Service began keeping official records in 1950. It's the 8th-deadliest single twister in U.S. history.
Federal officials estimate about 8,000 structures were damaged.
More updates from the Tuesday evening press conference and into the evening of May 24:
A curfew will be put in place in Joplin, beginning tonight, from 9 p.m. to 6 a.m. Permits will be issued to residents who reside within the tornado's footprint.
Search and rescue teams today (Tuesday) pulled two more people from the wreckage alive - one from the basement of a house, another from a business.
Search and rescue teams have completed two complete sweeps of the area and were working on a third as of 5 p.m. today (Tuesday). They expect to do as many as five searches.
1,500 people are listed as missing, but that number includes residents who may have traveled outside the area. The City Manager is asking Joplin residents who left the area to call 417-659-5464 to check in, let people know where they are - they could currently be listed as missing.
City officials say 400 firefighters and other emergency personnel from across the state are assisting in the search and rescue operation, as well as 200 trained civilian volunteers.
Missouri Gov. Jay Nixon has signed an executive order designed to allow physicians from outside Missouri to treat patients and to permit pharmacists to provide medication for people whose medical records are missing. Nixon says the order would allow people living in Joplin to continue receiving medical treatment.
Updated at 5:16 p.m. with gallery of aerial photographs from msnbc.com.
Updated at 4:29 p.m. with information on multi-vortex designation from the National Weather Service.
The New York Times brings us this update this afternoon on the continuing situation in Joplin:
About 1,500 people are unaccounted for in this battered city, a Fire Department official said Tuesday, as rescue workers took advantage of a few hours of sunny weather to continue searching for survivors in buildings leveled by the country’s deadliest tornado in more than 60 years.
As of 1 p.m. today, The Missouri State Emergency Management Association, or SEMA, lists the death toll at 117 people, and that number could climb.
President Barack Obama talks on the phone with Mo. Gov. Jay Nixon, during Obama's visit to Dublin May 23. The President and Gov. Nixon discussed the deadly tornado that touched down in Joplin, Mo., Sunday night. Obama will visit Joplin May 29.
Speaking from London, President Barack Obama says he plans to travel to Missouri on Sunday to meet with victims of the "devastating and heartbreaking" tornadoes that hit the state this weekend.
The president says he wants Midwesterners whose lives were disrupted by the deadly storms to be assured that the federal government will use all resources possible to help them recover and rebuild. Obama spoke in London, the second stop on his four-country, six-day tour of Europe. The president is due back in Washington Saturday night.
Forty years to the month after a paralyzing tornado struck Joplin, MO in 1971, rescue workers carefully search the again devastated city for survivors of last night's storm. KCUR's Dan Verbeck joined us from Joplin during today's St. Louis on the Air. 90 people are now confirmed dead due to the tornado, but one fire official told Verbeck they expect the toll to rise to at least 100.
Rescue workers are searching for survivors following a massive tornado that blasted a four-mile path across southwestern Missouri slamming into the city of Joplin with cataclysmic force. The tornado last night ripped into a hospital, destroyed neighborhoods and upended cars.