More than a dozen tornadoes touch down in a day

2:40 p.m. ET, May 21, 2019

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2:20 p.m. ET, May 21, 2019

Oklahoma City water rescuers take a quick break after saving 10 people from floodwaters 

CNN's Ed Lavandera, on the ground in Oklahoma, shares this photo showing members of the Oklahoma City Swift Water rescue team taking a quick break after rescuing 10 people from floodwaters in El Reno, Oklahoma.

11:16 a.m. ET, May 21, 2019

First responders just saved a woman who was clinging to a tree near Oklahoma City

First responders near Edmond, Oklahoma, just rescued a woman who was precariously clinging to a tree in rushing waters.

One rescuer waded out with a rope and attached it to the woman, while two others pulled her out of the water and helped her into a truck.

She appears to be safe now.

See photos of the dramatic rescue:

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10:24 a.m. ET, May 21, 2019

Water rescues are underway in El Reno, Oklahoma

Aerial video from CNN affiliate KOCO is showing swift water rescue teams out and about in El Reno, Oklahoma.

10:24 a.m. ET, May 21, 2019

Flooding shuts down roads in Tulsa

Flooding is closing streets across Tulsa as the city is inundated with rainwater. To make sure that drivers don't try and risk it, officials have barricaded the roadways.

9:32 a.m. ET, May 21, 2019

This Oklahoma city is seeing major flooding this morning

El Reno, Oklahoma, is dealing with major flooding, according to Andrew Skidmore, the emergency management director of Canadian County.

El Reno is located 28 miles west of Oklahoma City. 

Skidmore told CNN that people have evacuated from their homes, and a shelter has been se up. Flooding is widespread across country roads and major highways, and interstate I-40 is flooded throughout Canadian County, according to Skidmore.

8:51 a.m. ET, May 21, 2019

19 tornadoes touched down in 4 states last night

Severe thunderstorms will drench and flood parts of Oklahoma Tuesday, following on the heels of a series of tornadoes that touched down in that state and others.

At least 19 tornadoes swept through central Oklahoma, Texas, Missouri and Arkansas Monday, carrying warnings of "considerable" damage to homes, businesses and vehicles with the possibility of "complete destruction."

Oklahoma, Missouri and Arkansas were still under a tornado watch early Tuesday, with the National Weather Service warning of "flying debris" which could be dangerous to those caught without shelter.