Updated

The Latest on severe weather in the central United States (all times local):

9:30 a.m.

At least one person was injured and about a dozen homes were damaged when a tornado touched down near Tulsa International Airport.

Tulsa Area Emergency Management spokeswoman Kim MacLeod says one man was rescued from beneath a tree that was blown onto a home during the Tuesday morning twister.

MacLeod said the extent of the man's injuries was not immediately known and that damage assessments are ongoing.

Airport spokesman Andrew Pierini said there was no damage at the airport, approximately 4 miles (6 kilometers) from where the tornado touched down, but passengers were moved into shelters for about 30 minutes.

The tornado comes as part of a powerful storm system that spawned dozens of tornado sightings Monday and caused significant flash flooding in parts of Oklahoma. The stormy weather is expected to continue Tuesday in eastern Oklahoma before moving into Arkansas, Missouri and western Illinois.

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8:15 a.m.

Officials say there was at least minor damage, but no injuries reported when a tornado touched down near Tulsa International Airport.

Oklahoma Office of Emergency Management spokeswoman Keli Cain said the area is being assessed following the Tuesday morning twister and that so far one home has been found damaged by a falling tree.

Airport spokesman Andrew Pierini said there was no damage at the airport, approximately four miles (6 kilometers) from where the tornado touched down, but passengers were moved into shelters for about 30 minutes.

The tornado comes as part of a powerful storm system that spawned dozens of tornado sightings Monday and caused significant flash flooding in parts of Oklahoma. The stormy weather is expected to continue Tuesday in eastern Oklahoma before moving into Arkansas, Missouri and western Illinois.

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7:25 a.m.

Much of Kansas remains under flood warnings or watches as heavy rains are expected to push streams and rivers out of their banks.

The National Weather Service says more than 3.5 inches of rain fell onto already-saturated ground in parts of Kansas Monday and overnight, and more is expected Tuesday.

New Cambria, a central Kansas town near Salina, asked residents on Monday to voluntarily evacuate for up to 48 hours. Officials say Saline County faces the potential for record flooding along Mulberry Creek near Salina and Smoky Hill River near New Cambria.

Pittsburg officials say an apparent tornado touched down south of the city Monday afternoon, damaging outbuildings and knocking down power lines and trees. Roof damage was also reported to Grubbs Hall at Pittsburg State University. No injuries were reported.

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6:45 a.m.

The National Weather Service says a confirmed tornado has been spotted near the Tulsa International Airport.

A tornado warning was issued early Tuesday morning for the area. Forecasters say the tornado is moving to the northeast at about 50 mph (80 kph).

The tornado comes as part of a powerful storm system that spawned dozens of tornado sightings Monday and caused significant flash flooding in parts of Oklahoma. The stormy weather is expected to continue Tuesday in eastern Oklahoma, Arkansas, Missouri and western Illinois.

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6:15 a.m.

A powerful storm system that spawned dozens of tornado sightings is now causing significant flash flooding in parts of Oklahoma.

The Oklahoma Department of Transportation shut down Interstate 40 in El Reno, about 25 miles (40 kilometers) west of Oklahoma City, because of high water Tuesday morning. The National Weather Service says up to 5 inches of rain has fallen since Monday.

In Stillwater, emergency responders were rescuing people from their homes because of high water.

The Storm Prediction Center had warned of an unusually high risk for severe weather Monday for parts of Oklahoma and Texas. Damage was reported in many areas, including the town of Mangum, but no deaths have been reported.

Forecasters say more stormy weather is expected Tuesday, especially in Arkansas, Missouri and western Illinois.