The Atlanta Fed GDPNow estimate of first-quarter GDP growth saw a kick up to 1.2% from 0.5% from March 8.
In their own brief words, they say:
"After this morning’s retail sales report from the US Census Bureau, the nowcast of first-quarter real personal consumption expenditures growth increased from 3.4 percent to 4.4 percent"
The next estimate will come on March 17 (tomorrow)