SPFSA mandate is to follow lightning safety. The rule for resuming play after suspension of play is to wait 30 minutes after the last clap of thunder. During impending thunderstorm you are not safe anywhere outside. Run to a safe building or vehicle when you first hear thunder, see lightning or observe dark threatening clouds developing overhead. Do notshelter under trees.
For additional information visit the national youth soccer lightning safety link at youth soccer website and the national weather service website lightning safety link.