Approximately NUMBER@1 % of LOCATION@1 tropical cyclones originate from tropical waves , while approximately NUMBER@2 % of intense LOCATION@1 hurricanes -LRB- Category NUMBER@3 and greater -RRB- develop from tropical waves .

Approximately NUMBER@1 % of LOCATION@1 tropical cyclones originally form from tropical waves , while approximately NUMBER@2 % of intense LOCATION@1 hurricanes -LRB- Category NUMBER@3 and greater -RRB- form from tropical waves .
