Austin, TX
‘Horizon’ Supercomputer Will Make Austin the Center of U.S. Research Power
AUSTIN, Texas — The next wave of scientific discovery is being built right here in Central Texas.
The Texas Advanced Computing Center (TACC) at The University of Texas at Austin is teaming up with Dell Technologies and NVIDIA to launch Horizon, which will become the largest academic supercomputer in the United States when it goes online in 2026.
Designed to be a major engine for open science, Horizon will help researchers tackle some of the toughest problems of our time—from extreme weather forecasting to medical breakthroughs to national security.
A Texas-sized leap in computing power
Horizon will deliver 300 petaflops of performance—making it ten times faster than TACC’s current supercomputer, Frontera. For researchers, that means bigger projects, faster insights, and entirely new possibilities.
“It’s really exciting for Austin and for the University of Texas,” said Dan Stanzione, Associate Vice President for Research at UT and Executive Director of TACC. “We’ll have the largest academic computing resource in the country. Researchers will have unparalleled access to computing anywhere in the world.”
A supercomputer built in Central Texas
Horizon isn’t just located in Austin—it’s being built here, too.
Dell is designing the integrated racks.
Final assembly is happening in Georgetown.
The system will be housed in a Round Rock data center.
NVIDIA chips and VAST storage—both companies with Austin teams—power the hardware.
“Everyone involved has an Austin tie,” Stanzione said. “Finally deploying one of these major systems in the Austin area is pretty exciting.”
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What Horizon will do
In its first year, TACC expects hundreds of research projects to run on Horizon. Some of the earliest will focus on Texas-specific challenges, such as:
More accurate hurricane and storm surge forecasts
Disaster resilience modeling for the Gulf Coast
Healthcare and drug discovery
New materials and battery development
Horizon will also become the AI hub for UT Austin, enabling breakthroughs in machine learning and large-scale data analysis.
Keeping a giant cool
Running a supercomputer this large takes serious engineering. Each cabinet draws around 225,000 watts, requiring advanced cooling solutions.
Propylene glycol will flow directly across the chips, while chilled water circulates through rear-door radiators. In total, the system will move about 400,000 gallons of water per hour to keep everything stable.
What Dell says
For Dell Technologies, Horizon is a major step forward for the region and the research community.
“Horizon delivers over 300 petaflops of performance—ten to twelve times faster than Frontera,” said Seamus Jones, Director of Server Engineering. “It will help researchers break boundaries and drive advancements in technologies we haven’t even imagined yet.”
A new era for Texas innovation
With Horizon, Austin is poised to become the nation’s center for high-performance academic computing. The supercomputer will serve thousands of researchers across disciplines—and could reshape how science is done for years to come.
Austin, TX
Live updates: Flash Flood emergency in Kerr County as rain continues to pound Texas
KERRVILLE, Texas (KXAN) — The City of Kerrville issued a shelter-in-place Thursday morning, with heavy rain causing reported evacuations early Thursday morning. A Flash Flood Warning is currently in place for Kerr County as the Guadalupe River continues to rise.
Around 5:30 a.m., the National Weather Service said a “large and deadly flood wave is moving down” the Guadalupe River.
KXAN First Warning Weather Meteorologist Kristen Currie said approximately 11 inches of rain have fallen northwest of Kerr County since 10 p.m. on Wednesday. The Guadalupe River is expected to reach major flood stage in multiple areas.
Kerr County PIO Lisa Walter said “there have been multiple swift water rescues and evacuations.” Officials emphasized not to drive through flooded streets and to turn around if water covers the roadway.
Evacuations were underway in multiple areas, according to the county, including:
- Goat Creek
- Arcadia Loop
- Lowery/Guadalupe area
- Junction Highway low-water crossings
- Other low-lying neighborhoods
Emergency shelters are open at Impact Church (Goat Creek evacuation point), Calvary Temple Church and City West Church for people in West Kerr County, the county said.
Here are the latest headlines:
Live updates
7:03 a.m.: KXAN’s Kevin Baskar is in Gillespie County providing updates on the latest flood conditions in the area. Watch his update below.
6:37 a.m.: Kerr County officials emphasized not to drive through flooded streets and to turn around if water covers the roadway.
Evacuations were underway in multiple areas, according to the county, including:
- Goat Creek
- Arcadia Loop
- Lowery/Guadalupe area
- Junction Highway low-water crossings
- Other low-lying neighborhoods
Emergency shelters are open at Impact Church (Goat Creek evacuation point), Calvary Temple Church and City West Church for people in West Kerr County, the county said.
6:27 a.m.: Video shows emergency crews hauling boats and rescue equipment through Kerrville.
6:15 a.m. NewsNation correspondent Xavier Walton and his photographer captured a structure being swept up in river water and crashing into a Kerrville bridge. The structure appears to be some sort of shipping container, pushing against the bridge.
Watch the video below:
6:08 a.m.: Kerr County PIO Lisa Walter confirms “there have been multiple swift water rescues and evacuations.”
6:02 a.m.: The Guadalupe River at Center Point is expected to crest at 35 feet, which is the same crest as July 4, 2025.
5:57 a.m.: The National Weather Service said “a large deadly flood wave” is moving down the Guadalupe River.
5:49 a.m.: The Comfort Volunteer Fire Department said it has units in Kerrville and Centerpoint alerting people along the Guadalupe River. They’re helping Kerr County with evacuations along Highway 27 between Comfort and Centerpoint. They said all VFD personnel are OK.
5:30 a.m.: The Kerr County Sheriff’s Office said in a Facebook post that it’s received reports of “street flooding in Ingram, and it’s likely many roads and city streets are flooded as well.”
Austin, TX
Austin Pets Alive! activates emergency response to assist shelters affected by flooding
AUSTIN (KXAN) — As flood threats continue across parts of South Central Texas, Austin Pets Alive! has activated emergency response efforts to support animal shelters affected by the inclement weather.
In a social media post, APA! wrote, “We began offering aid last night, working to secure fosters for 10 dogs in the Castroville shelter, an open-air shelter that sits at the bottom of a valley.”
APA! said the situation escalated overnight with additional shelters reporting flooding. One shelter confirmed that floodwaters reached its facility, APA! added.
Communities overwhelmed due to weather include Uvalde, Castroville and Sabinal.
The nonprofit is asking the Austin community to foster, adopt or donate to free up capacity for animals displaced by the disaster. APA! needs to clear out its facilities to assist the animals in need of shelter.
Here are ways you can help:
- Adopt: APA! is offering a “Name Your Own Adoption Fee” on all animals.
- Foster: The shelter is seeking foster homes for a minimum of three weeks.
- Donate: Proceeds will fund vans and response teams setting up a staging and triage center at the heart of the disaster zone, along with an expanded stockpile of preventatives, PPE and additional supplies.
If you would like to donate, click here.
Austin, TX
Austin proposes more flood mitigation funding as heavy rains threaten Central Texas
AUSTIN, Texas — With heavy rain expected across parts of Central Texas this week and flooding top of mind, the city of Austin is proposing to put more money toward flood mitigation improvements in next year’s budget.
The proposal would invest in new flood infrastructure, add staff, and help move flood mitigation projects forward, according to city leaders. Austin City Councilmember Ryan Alter said the investments are aimed at keeping the city prepared for future flooding.
Residents who live near waterways say they have seen how quickly conditions can change. David Haderspeck, who lives near Shoal Creek, said the creek “fills up pretty fast” and “gets a lot higher than you’d expect.” He said he has watched the water rise dramatically after rain.
“I’ve seen it come up probably 10 to 15 feet to the ordinary high-water mark,” he said.
This week, parts of Central Texas, including the Hill Country, are expected to get heavy downpours. While Austin is not expecting the same impacts as parts of the Hill Country, leaders said the city is using this year’s budget planning to continue investing in flood safety.
Alter said the city has the expertise to address flooding risks but needs to follow through on projects.
ALSO| Central Texas urged to prepare as heavy rainfall sits in forecast over next two days
“We have the experts. We just have to put the plans into practice, and that’s what we’re doing in this budget,” he said.
Under the budget proposal, the city would provide about $134.5 million for the Drainage Utility Fund, which helps pay for flood mitigation, drainage infrastructure and watershed protection efforts.
Alter said the proposal would shift more of the funding balance toward building new infrastructure.
“What we’re going to do is shift that balance a little bit more to building new infrastructure so that when we do have large flooding events, we’ve got that infrastructure in place to keep people safe,” he said.
The proposal also adds staff and invests in both new and existing flood mitigation projects across the city.
Asked whether the proposed investments would be enough moving forward, Alter said, “I do…I think we’re doing the right thing and just making sure that our residents have the infrastructure to stay safe.”
Alter said heavy rain cannot be prevented, but the city’s goal is to have infrastructure in place to help keep people safe when it happens.
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