Having had their last Friends Provident game abandoned, Warwicks batted first at Wantage Road and scored 293-6 in their allotted fifty overs.
Darren Maddy who hit 130 yesterday top scored with 77, whilst Ian Westwood scored 65 and Jon Trott 60.
However,White hit 111 and Northants reached the total in 48.5 overs to win by four wickets.