Flash floods in Texas, Oklahoma kill 2, 100s of homes gone

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Threat for Tornadoes Continues Today in Southwest

SAN MARCOS, Texas (AP) -- Record rainfall wreaked havoc across a swath of Texas and the Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee.

Tornadoes struck, severely damaging an apartment complex in Houston, Texas. A firefighter in Oklahoma was swept to his death while trying to rescue 10 people in high water. And the body of a man was recovered from a flooded area along the Blanco River, which rose 26 feet in just one hour and left piles of wreckage 20 feet high, authorities in Texas said.

"It looks pretty bad out there," said Hays County emergency management coordinator Kharley Smith, describing the destruction in Wimberley, a community that is part of a fast-growing corridor between Austin and San Antonio. "We do have whole streets with maybe one or two houses left on them and the rest are just slabs," she said.

READ MORE: Deadly weather soaks south central U.S., forces evacuations

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Flash floods in Texas, Oklahoma kill 2, 100s of homes gone
A house built on tall piers is surrounded by flood water from the San Jacinto River Thursday, May 28, 2015, in Kingwood, Texas. Although the deadly thunderstorms that lashed much of Texas have tapered off, many cities were still in danger of flooding Thursday as heavy rain from earlier in the week poured downstream, swelling rivers. (AP Photo/Pat Sullivan)
HOUSTON, TX - MAY 27: The Brays Bayou flows after massive flooding May 27, 2015 in Houston, Texas. At least 19 people have been killed across Texas and Oklahoma after severe weather, including catastrophic flooding and tornadoes, struck over the past several days, with more rain expected. (Photo by Eric Kayne/Getty Images)
MIDLOTHIAN, TX - MAY 27: Workers tend to equipment used to pump water from Padera Lake as water pours over a temporary dam on May 27, 2015 in Midlothian, Texas. Officials feared that the temporary dam on Padera Lake would fail due to recent heavy rains in the area. Areas throughout Texas have expierenced flash flooding and numerous deaths due to weeks of heavy rainfall. (Photo by Tom Pennington/Getty Images)
SAN MARCOS, TX - MAY 27: Storm destruction along the Blanco River May 26, 2015 in San Marcos, Texas. Central Texas has been inundated with tornadoes and flash flooding the past several days. (Photo by Drew Anthony Smith/Getty Images)
SAN MARCOS, TX - MAY 27: Storm destruction along the Blanco River May 27, 2015 in San Marcos, Texas. Central Texas has been inundated with tornadoes and flash flooding the past several days. (Photo by Drew Anthony Smith/Getty Images)
HOUSTON, TX - MAY 27: Trees are submerged at Buffalo Bayou park after massive flooding May 27, 2015 in Houston, Texas. At least 19 people have been killed across Texas and Oklahoma after severe weather, including catastrophic flooding and tornadoes, struck over the past several days, with more rain expected. (Photo by Eric Kayne/Getty Images)
HOUSTON, TX - MAY 27: Diego Singleton's vehicle sits on Allen Parkway, the last remaining vehicle to be towed from underneath the Montrose Blvd. overpass following massive flooding May 27, 2015 in Houston, Texas. At least 19 people have been killed across Texas and Oklahoma after severe weather, including catastrophic flooding and tornadoes, struck over the past several days, with more rain expected. (Photo by Eric Kayne/Getty Images)
A man walks along the Blanco River where sweeping flood waters overturned vehicles and knocked down trees, Tuesday, May 26, 2015, in Wimberley, Texas. Authorities say recovery teams will resume looking for missing people in an area where punishing rains have destroyed or damaged more than 1,000 homes statewide. (AP Photo/Eric Gay)
Keith McNabb looks at the damage to his friend Mike Cook's house on Stone Canyon Street on the banks of the Blanco River near Wimberley, Texas on Sunday May 24, 2015. Flooding in Texas and Oklahoma has led to numerous evacuations. (Jay Janner/Austin American-Statesman via AP) 
Domingo Molina, right, paddles with his granddaughters Crystal, left, and Alicia, center, down a flooded street in Houston, Tuesday, May 26, 2015. Heavy rain overnight caused flooding and closure of sections of highways in the Houston area. (AP Photo/David J. Phillip)
WIMBERLEY, TX - MAY 26: A house near the Blanco River sustained heavy damage May 26, 2015 in Wimberley, Texas. Central Texas has been hit with severe weather, including catastrophic flooding and tornadoes over the past several days. (Photo by Drew Anthony Smith/Getty Images)
WIMBERLEY, TX - MAY 26: Debris is collected in front of Rio Bonito Resort May 26, 2015 in Wimberley, Texas. Central Texas has been hit with severe weather, including catastrophic flooding and tornadoes over the past several days. (Photo by Drew Anthony Smith/Getty Images)
WIMBERLEY, TX - MAY 26: Faculty and volunteers organize flood relief supplies at Wimberley High School May 26, 2015 in Wimberley, Texas. Central Texas has been hit with severe weather, including catastrophic flooding and tornadoes over the past several days. (Photo by Drew Anthony Smith/Getty Images)
WIMBERLEY, TX - MAY 26: Clothes and other flood relief supplies are gathered at Wimberley High School May 26, 2015 in Wimberley, Texas. Central Texas has been hit with severe weather, including catastrophic flooding and tornadoes over the past several days. (Photo by Drew Anthony Smith/Getty Images)
Vehicles left stranded on a flooded Interstate 45 in Houston, Texas on May 26, 2015. Heavy rains throught Texas put the city of Houston under massive ammounts of water, closing roadways and trapping residents in their cars and buildings, according to local reports. Rainfall reached up to 11 inches(27.9cm) in some parts of the state, national forecasters reported, and the heavy rains quickly pooled over the state's already saturated soil. AFP PHOTO/AARON M. SPRECHER (Photo credit should read Aaron M. Sprecher/AFP/Getty Images)
Water is seen along Memorial Drive in Houston, Texas, on May 26, 2015. Heavy rains throught Texas put the city of Houston under massive amounts of water, closing roadways and trapping residents in their cars and buildings, according to local reports. Rainfall reached up to 11 inches (27.9cm) in some parts of the state, according to national forecasters, and the heavy rains quickly pooled over the state's already saturated soil. AFP PHOTO/AARON M. SPRECHER (Photo credit should read Aaron M. Sprecher/AFP/Getty Images)
AUSTIN, TX - MAY 25: Murphy Canning and Annika Rolston watch as a street remains underwater from days of heavy rain on May 25, 2015 in Austin, Texas. Texas Gov. Greg Abbott toured the damage zone where one person is confirmed dead and at least 12 others missing in flooding along the Rio Blanco, which reports say rose as much as 40 feet in places, caused by more than 10 inches of rain over a four-day period. The governor earlier declared a state of emergency in 24 Texas counties. (Photo by Drew Anthony Smith/Getty Images)
WIMBERLEY, TX - MAY 26: Debris is collected in front of Rio Bonito Resort May 26, 2015 in Wimberley, Texas. Central Texas has been hit with severe weather, including catastrophic flooding and tornadoes over the past several days. (Photo by Drew Anthony Smith/Getty Images)
People stand near damaged homes and vehicles after a powerful tornado swept past in Ciudad Acuna, northern Mexico, Monday, May 25, 2015. A tornado raged through the city on the U.S.-Mexico border Monday, destroying homes and flinging cars like matchsticks. At least 13 people were killed, authorities said. The twister hit a seven-block area, which Victor Zamora, interior secretary of the northern state of Coahuila, described as "devastated." (AP Photo)
Damaged homes stand next to others that were razed when a powerful tornado touched down in Ciudad Acuna, northern Mexico, Monday, May 25, 2015. The tornado raged through the city on the U.S.-Mexico border Monday, destroying homes and flinging cars like matchsticks. At least 13 people were killed, authorities said. The twister hit a seven-block area, which Victor Zamora, interior secretary of the northern state of Coahuila, described as "devastated." (AP Photo)
Cars sit in floodwaters along Interstate 45 after heavy overnight rain flooded parts of the highway in Houston, Tuesday, May 26, 2015. Several major highways in the Houston area are closed due to high water. (AP Photo/David J. Phillip)
A man walks past a cabin that was torn from its foundation in a flood on the Blanco River days earlier, Tuesday, May 26, 2015, in Wimberley, Texas. Recovery teams were searching for as many as 12 members of two families who are missing after the rain-swollen river in central Texas carried a vacation home off its foundation, slamming it into a bridge downstream. The hunt for the missing picked up after a holiday weekend of terrible storms that dumped record rainfall on the Plains and Midwest, caused major flooding and spawned tornadoes and killed at least eight people in Oklahoma and Texas. (AP Photo/Elaine Thompson)
Domingo Molina, right, paddles with his granddaughters Crystal, left, and Alicia, center, down a flooded street in Houston, Tuesday, May 26, 2015. Heavy rain overnight caused flooding and closure of sections of highways in the Houston area. (AP Photo/David J. Phillip)
A vehicle left stranded on a flooded Interstate 45 in Houston, Texas on May 26, 2015. Heavy rains throught Texas put the city of Houston under massive ammounts of water, closing roadways and trapping residents in their cars and buildings, according to local reports. Rainfall reached up to 11 inches(27.9cm) in some parts of the state, national forecasters reported, and the heavy rains quickly pooled over the state's already saturated soil. AFP PHOTO/AARON M. SPRECHER (Photo credit should read Aaron M. Sprecher/AFP/Getty Images)
Gabby Aviles carries her daughter Audrey through floodwaters outside their apartment in Houston, Tuesday, May 26, 2015. Heavy rains overnight caused flooding in the Houston area. (AP Photo/David J. Phillip)
David McGinnis helps cleanup debris at a home that was flooded along the Blanco River, Tuesday, May 26, 2015, in Wimberley, Texas. Authorities say recovery teams will resume looking for as many as a dozen missing people, in an area where punishing rains have destroyed or damaged more than 1,000 homes and killed at least three people statewide this weekend. (AP Photo/Eric Gay)
Mark Taylor rides his bike through the flooded street in front of his house in Houston, Tuesday, May 26, 2015. Heavy rain overnight caused flooding and closure of sections of highways in the Houston area. (AP Photo/David J. Phillip)
Water is seen at the top of a sign along a bike path near Memorial Drive in Houston, Texas on May 26, 2015. Heavy rains throught Texas put the city of Houston under massive amounts of water, closing roadways and trapping residents in their cars and buildings, according to local reports. Rainfall reached up to 11 inches (27.9cm) in some parts of the state, according to national forecasters, and the heavy rains quickly pooled over the state's already saturated soil. AFP PHOTO/AARON M. SPRECHER (Photo credit should read Aaron M. Sprecher/AFP/Getty Images)
Robert Briscoe removes a suitcase from his flooded car along Interstate 45 in Houston, Tuesday, May 26, 2015. Overnight heavy rains caused flooding, closing some portions of major highways in the Houston area. (AP Photo/David J. Phillip)

Rescue personnel grab the the hand of a man stranded in rushing water at the northwest corner of Lamar Blvd. and 15th St. in Austin, Texas. Shoal Creek overflowed its banks and inundated the major traffic artery with rushing water. Several cars were stalled under and near the 15th St. bridge Monday, May 25, 2015. (Alberto Martinez/Austin American-Statesman via AP)

Vehicles are left stranded on Texas State Highway 288 in Houston, Texas on May 26, 2015. Heavy rains throught Texas put the city of Houston under massive amounts of water, closing roadways and trapping residents in their cars and buildings, according to local reports. Rainfall reached up to 11 inches (27.9cm) in some parts of the state, according to national forecasters, and the heavy rains quickly pooled over the state's already saturated soil. AFP PHOTO/AARON M. SPRECHER (Photo credit should read Aaron M. Sprecher/AFP/Getty Images)
AUSTIN, TX - MAY 25: Parts of the city are shown inundated after days of heavy rain on May 25, 2015 in Austin, Texas. Texas Gov. Greg Abbott toured the damage zone where one person is confirmed dead and at least 12 others missing in flooding along the Rio Blanco, which reports say rose as much as 40 feet in places, caused by more than 10 inches of rain over a four-day period. The governor earlier declared a state of emergency in 24 Texas counties. (Photo by Drew Anthony Smith/Getty Images)
AUSTIN, TX - MAY 25: Rising floodwaters at Shoal Creek are shown after days of heavy rain on May 25, 2015 in Austin, Texas. Texas Gov. Greg Abbott toured the damage zone where one person is confirmed dead and at least 12 others missing in flooding along the Rio Blanco, which reports say rose as much as 40 feet in places, caused by more than 10 inches of rain over a four-day period. The governor earlier declared a state of emergency in 24 Texas counties. (Photo by Drew Anthony Smith/Getty Images)

Rescue personnel from the Austin Fire Dept. bring a man to safety after he became trapped by rushing water at House Park. Shoal Creek overflowed its banks and transformed Lamar Blvd into a rushing torrent of muddy water. Several cars were stranded along the normally busy street Monday, May 25, 2015. (Alberto Martinez/Austin American-Statesman via AP)

AUSTIN, TX - MAY 25: Parts of the city are shown inundated after days of heavy rain on May 25, 2015 in Austin, Texas. Texas Gov. Greg Abbott toured the damage zone where one person is confirmed dead and at least 12 others missing in flooding along the Rio Blanco, which reports say rose as much as 40 feet in places, caused by more than 10 inches of rain over a four-day period. The governor earlier declared a state of emergency in 24 Texas counties. (Photo by Drew Anthony Smith/Getty Images)
Shelly Guzal and her son, Grant, 17, stand by the Blanco River by where an A-frame house owned by the Carey family once stood in Wimberley, Texas, Monday, May 25, 2015. Corpus Christi resident Jonathan McComb, 36, and his family were guest in the house when it was swept away by floodwaters Saturday night. McComb was able to escape but his wife, Laura, 33, and their children, Leighton, 4 and Andrew, 6, are missing. (Jerry Lara/The San Antonio Express-News via AP)
AUSTIN, TX - MAY 25: The flooded Whole Earth Provisions Company on Lamar Street is shown after days of heavy rain on May 25, 2015 in Austin, Texas. Texas Gov. Greg Abbott toured the damage zone where one person is confirmed dead and at least 12 others missing in flooding along the Rio Blanco, which reports say rose as much as 40 feet in places, caused by more than 10 inches of rain over a four-day period. The governor earlier declared a state of emergency in 24 Texas counties. (Photo by Drew Anthony Smith/Getty Images)
AUSTIN, TX - MAY 25: Ben Sioberman works to get water out of the flooded Whole Earth Provisions Company on Lamar Street after days of heavy rain on May 25, 2015 in Austin, Texas. Texas Gov. Greg Abbott toured the damage zone where one person is confirmed dead and at least 12 others missing in flooding along the Rio Blanco, which reports say rose as much as 40 feet in places, caused by more than 10 inches of rain over a four-day period. The governor earlier declared a state of emergency in 24 Texas counties. (Photo by Drew Anthony Smith/Getty Images)
AUSTIN, TX - MAY 25: Parts of the city are shown inundated after days of heavy rain on May 25, 2015 in Austin, Texas. Texas Gov. Greg Abbott toured the damage zone where one person is confirmed dead and at least 12 others missing in flooding along the Rio Blanco, which reports say rose as much as 40 feet in places, caused by more than 10 inches of rain over a four-day period. The governor earlier declared a state of emergency in 24 Texas counties. (Photo by Drew Anthony Smith/Getty Images)
AUSTIN, TX - MAY 25: Tape is stretched across a flooded Sixth Street after days of heavy rain on May 25, 2015 in Austin, Texas. Texas Gov. Greg Abbott toured the damage zone where one person is confirmed dead and at least 12 others missing in flooding along the Rio Blanco, which reports say rose as much as 40 feet in places, caused by more than 10 inches of rain over a four-day period. The governor earlier declared a state of emergency in 24 Texas counties. (Photo by Drew Anthony Smith/Getty Images)
WIMBERLEY, TX - MAY 25: A vehicle travels Ranch to Market Road 150 on May 25, 2015 outside Wimberly, Texas. Texas Gov. Greg Abbott toured the damage zone where one person is confirmed dead and at least 12 others missing in flooding along the Rio Blanco, which reports say rose as much as 40 feet in places, caused by more than 10 inches of rain over a four-day period. The governor earlier declared a state of emergency in 24 Texas counties. (Photo by Drew Anthony Smith/Getty Images)
Leaves and branches are scattered throughout a flooded yard after a roof collapsed during a morning storm Sunday, May 24, 2015 in Houston at the Rockport Apartment Homes on S. Gessner. (Eric Kayne/Houston Chronicle via AP)
DPS Trooper Marcus Gonzales walks on the Hwy 12 bridge over the Blanco River in Wimberley, Texas, Sunday May 24, 2015. Flooding in Texas and Oklahoma has led to numerous evacuations. (Jay Janner/Austin American-Statesman via AP) 
George and Susan Kruger make one of three trips with their animals from their flooded house to safety on Sunday, May 24, 2015 in Purcell, Okla. Rising water from overnight rains began to rise early in the morning. The Krugers refused to leave their home and made several trips to retrieve five dogs and a baby chick. (Steve Sisney/The Oklahoman via AP) 
Gordon Welch surveys damage to the house his family has owned since 1964 along River Road next to the Blanco River in Wimberley, Texas, Sunday, May 24, 2015. Welch said that he and his wife watched the house get swept away by flood water. (Kelly West/Austin American-Statesman via AP) 
A home on the Blanco River was taken off its foundation after heavy overnight rain caused flash flooding in Wimberley, Texas, Sunday, May 24, 2015. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Rodolfo Gonzalez/Austin American-Statesman via AP)
In this aerial photo an Army black hawk helicopter flies over the town of Martindale, Texas, near the San Marcos River, Sunday, May 24, 2015. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Rodolfo Gonzalez/Austin American-Statesman via AP) 
Michael Williams uses a kayak to retrieve valuables from his mother Karleen Shaw's house on Sunday, May 24, 2015 in Lexington Okla. Williams forced his mother from the house Saturday night after the water level got waist high. (Steve Sisney/The Oklahoman via AP) 
Amy Schmitt walks through her flood-damaged patio Sunday May 24, 2015, in San Marcos, Texas. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Erika Rich/Austin American-Statesman via AP) 
Heather Williams and Jayden Martinez Corpus, 12, assist the Villegas family in clearing flood-damaged furniture from their home Sunday May 24, 2015, in San Marcos, Texas. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Erika Rich/Austin American-Statesman via AP)
Kino Rodriguez, 8, left, and Israel Rodriguez, 7, sit outside their families flood-damaged home and discuss their experiences with the flooding from the night before on Sunday May 24, 2015, in San Marcos, Texas. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Erika Rich/Austin American-Statesman via AP) 
This aerial photo shows a home along the Blanco River that was taken off its foundation after rain caused flash flooding in Wimberley, Texas, Sunday, May 24, 2015. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Rodolfo Gonzalez/Austin American-Statesman via AP)
Mike Graf, left, with the help of Ralph Kennedy, salvages some of his belongings in a neighbor's yard near Wimberley, Texas, Sunday, May 24, 2015. About 350 homes in the town of Wimberley were washed away by flash floods along the Blanco River, which rose 26 feet in just one hour and left piles of wreckage 20 feet high, Texas authorities said. (Jay Janner/Austin American-Statesman via AP)
Edgar Mascorro, left, and Emir Nevarez check out the damage on the rooftop at the Silver Springs Apartments in North Austin, Texas, Sunday, May 24, 2015. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Ricardo B. Brazziell/Austin American-Statesman via AP)
Magdiel Paz trims damage trees at the Silver Springs Apartments in North Austin, Texas, Sunday, May 24, 2015. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Ricardo B. Brazziell/Austin American-Statesman via AP)
In this aerial photo a barn with a Texas flag painted on its roof is surrounded by water near Martindale, Texas, after the San Marcos River flooded, Sunday, May 24, 2015. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Rodolfo Gonzalez/Austin American-Statesman via AP) 
In this aerial photo a parking lot of Wal-Mart is submerged after the San Marcos River flooded in San Marcos, Texas, Sunday, May 24, 2015. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Rodolfo Gonzalez/Austin American-Statesman via AP)
People walk by a damaged roof at the Silver Springs Apartments in North Austin, Texas, Sunday, May 24, 2015. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Ricardo B. Brazziell/Austin American-Statesman via AP)
Carlos and Candy Cortez, comfort each other in the Redbird Aviation Terminal in San Marcos, Texas, Sunday, May 24, 2015, after they, their three children and one of their dogs were rescued from the roof of their San Marcos home by an Army helicopter after the Blanco River flooded. Their son A.J. Cortez, 6, lies on the couch next to them. Record rainfall was wreaking havoc across a swath of the U.S. Midwest on Sunday, causing flash floods in normally dry riverbeds, spawning tornadoes and forcing at least 2,000 people to flee. (Rodolfo Gonzalez/Austin American-Statesman via AP)
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From 350 to 400 homes were destroyed in Wimberley, many of them washed away, Smith said. Several people remained missing. Kenneth Bell, the emergency management coordinator in nearby San Marcos, said the damage in Hays County alone amounts to "millions of dollars."

Authorities also warned people to honor a night-time curfew and stay away from damaged areas, since more rain was on the way, threatening more floods with the ground saturated and waterways overflowing.

Rivers rose so fast that whole communities woke up Sunday surrounded by water. The Blanco crested above 40 feet - more than triple its flood stage of 13 feet - swamping Interstate 35 and forcing parts of the busy north-south highway to close. Rescuers used pontoon boats and a helicopter to pull people out.

Dallas also faced severe flooding from the Trinity River, which was expected to crest near 40 feet Monday and lap at the foundations of an industrial park. The Red and Wichita rivers also rose far above flood stage.

Heather Ruiz returned from work early Sunday to ankle-deep water and a muddy couch inside her home in San Marcos. She wasn't sure what to do next. "Pick up the pieces and start all over I guess. Salvage what can be salvaged and replace what needs to be replaced," Ruiz said.

This May is already the wettest on record for several cities in the southern Plains states, with days still to go and more rain on the way. So far this year, Oklahoma City has recorded 27.37 inches of rain. Last year the state's capital got only 4.29 inches.

The reasons include a prolonged warming of Pacific Ocean sea surface temperatures, which generally results in cooler air, coupled with an active southern jet stream and plentiful moisture from the Gulf of Mexico, said Meteorologist Forrest Mitchell at National Weather Service office in Norman, Oklahoma.

"It looks like the rainfall that we're getting now may actually officially end the drought," that has gripped the southern Plains states for years, Mitchell said, noting that moisture now reaches about two feet below the surface of the soil and many lakes and reservoirs are full.

Wichita Falls was so dry at one point that that it had to get Texas regulatory approval to recycle and treat its wastewater as drinking water dried up. By Sunday, the city reached a rainfall record, nearly 14 inches so far in May.

The storm system was pushing northeast Sunday after moving across parts of Colorado, central and North Texas and most of Oklahoma. New flash flood watches were issued Sunday for western Arkansas, Missouri and parts of Kansas.

About 1,000 people were evacuated from homes in Central Texas, where rescuers pulled dozens of people from high water overnight.

Tami Mallow, 41, gathered her three cats at a shelter in San Marcos while her husband put furniture on cinderblocks, and retreated to the second floor with electronics and other valuables as the floodwaters entered.

"He told me there was 2 inches of mud," Mallow said. "I don't know what the cleanup process is going to be."

Five San Marcos police cars were washed away and a fire station was flooded, said Kristi Wyatt, a spokeswoman for San Marcos, which imposed a 9 p.m. Sunday curfew.

Wyatt said some 1,000 homes were damaged in San Marcos, Wimberley and elsewhere in Hays County, a fast-growing area between San Antonio and Austin.

A tornado briefly touched down in Houston, damaging rooftops, toppling trees, blowing out windows and sending at least two people to a hospital. The weather service said the tornado struck with winds of about 100 mph at around 6:30 a.m. Sunday. Fire officials said 10 apartments were heavily damaged and 40 others sustained lesser damage.

Some 50 miles north of the city, about 1,000 people were preparing to spend the night away from home. The Montgomery County Office of Emergency Management issued a mandatory evacuation order to more than 400 homes near an earthen dam at Lake Lewis that was at risk of failing due to the heavy rains.

Spokeswoman Miranda Hahs said the dam owned by Entergy Texas is holding, and that it was not clear when residents would be allowed to return home.

In northeast Oklahoma, Capt. Jason Farley was helping rescue people at about 11:30 p.m. Saturday when he was swept into a drainage ditch. The body of the 20-year veteran was recovered an hour and a half later, Claremore Fire Chief Sean Douglas said.

Oklahoma City set a new monthly rainfall total this weekend - 18.2 inches through Saturday, beating the previous one of 14.5 in 2013.

Colorado also was water-logged. A mandatory evacuation notice was issued Sunday for residents in the northeastern city of Sterling, and several counties planned to ask the governor for a disaster declaration.

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