According to the cover of pub 547 a qualified disaster loss is expanded to include one declared by Presidential declaration dated between 1-1-20  and 2-25-21 ( Biden declared 2-19-21)  However to qualify the disaster's incident period must end no later than 1-26-21. Texas was 2-11-21 to 2-21-21. So according to this at this time Texas is not a qualified disaster and is subject the 10 percent rule.