Date: 12-17 SEP 1972
Subtropical Storm #21
ADV  LAT   LON       TIME     WIND  PR  STAT
  1  10.00  162.40 09/12/00Z   25     - TROPICAL DEPRESSION
  2   9.90  162.20 09/12/06Z   25     - TROPICAL DEPRESSION
  3   9.70  161.90 09/12/12Z   25     - TROPICAL DEPRESSION
  4   9.50  161.50 09/12/18Z   25     - TROPICAL DEPRESSION
  5   9.30  161.00 09/13/00Z   25     - TROPICAL DEPRESSION
  6   9.10  160.30 09/13/06Z   25     - TROPICAL DEPRESSION
  7   8.90  159.50 09/13/12Z   25     - TROPICAL DEPRESSION
  8   8.80  158.80 09/13/18Z   30     - TROPICAL DEPRESSION
  9   8.90  157.70 09/14/00Z   30     - TROPICAL DEPRESSION
 10   9.10  156.60 09/14/06Z   25     - TROPICAL DEPRESSION
 11   9.60  154.80 09/14/12Z   25     - TROPICAL DEPRESSION
 12  10.10  153.10 09/14/18Z   25     - TROPICAL DEPRESSION
 13  10.50  152.20 09/15/00Z   25     - TROPICAL DEPRESSION
 14  10.90  151.60 09/15/06Z   25     - TROPICAL DEPRESSION
 15  11.20  150.80 09/15/12Z   25     - TROPICAL DEPRESSION
 16  11.60  150.00 09/15/18Z   25     - TROPICAL DEPRESSION
 17  12.00  149.30 09/16/00Z   25     - TROPICAL DEPRESSION
 18  12.40  148.70 09/16/06Z   25     - TROPICAL DEPRESSION
 19  13.00  147.80 09/16/12Z   25     - TROPICAL DEPRESSION
 20  14.00  146.70 09/16/18Z   25     - TROPICAL DEPRESSION
 21  15.50  145.00 09/17/00Z   20     - TROPICAL DEPRESSION