(last(/Blackbox ICMP by HTTP/probe_duration_seconds.get,#5) * 1.5) > avg(/Blackbox ICMP by HTTP/probe_duration_seconds.get,5m)=1
avg(/Blackbox ICMP by HTTP/probe_duration_seconds.get,5m) > avg(/Blackbox ICMP by HTTP/probe_duration_seconds.get,60m:now-65m) * 1.5