Additional messages also attacked Hinduism and African Americans.
The vandalism coincided with National Buffalo Soldier Day, a day meant to honor African-Americans who fought in the US military.
But the storm could dump upward of 18 inches of rain in the area through Monday.
Austin's Police and the city's Emergency Medical Services department confirmed on Twitter that one person was killed during the shooting.
The Chinese embassy in Washington and the U.S. State Department did not immediately respond to requests for comment on this activity.
Additionally, local Texas news outlet KWTX reported that one infant in the county died of the virus on July 9.
The closing of Gan Israel of Plano, Texas, on Tuesday night serves as a cautionary tale as schools look to reopen this fall.
"Just before the patient died, they looked at their nurse and said 'I think I made a mistake, I thought this was a hoax, but it's not.'"
The epicenter of the country's COVID-19 epidemic has moved from the Northeast to California, Arizona and New Mexico in the West along with Texas, Florida and Georgia.