Date: 10-14 APR 1953
Unknown Storm #20
ADV  LAT   LON       TIME     WIND  PR  STAT
  1  -9.30   61.80 04/10/18Z    -     - UNKNOWN
  2  -9.20   61.90 04/11/00Z    -     - UNKNOWN
  3 -10.00   62.00 04/11/06Z    -     - UNKNOWN
  4 -11.70   62.20 04/11/12Z    -     - UNKNOWN
  5 -13.50   62.30 04/11/18Z    -     - UNKNOWN
  6 -15.00   61.70 04/12/00Z    -     - UNKNOWN
  7 -16.30   60.60 04/12/06Z    -     - UNKNOWN
  8 -17.40   59.50 04/12/12Z    -     - UNKNOWN
  9 -18.20   58.50 04/12/18Z    -     - UNKNOWN
 10 -18.70   57.50 04/13/00Z    -     - UNKNOWN
 11 -19.30   56.60 04/13/06Z    -     - UNKNOWN
 12 -20.10   55.80 04/13/12Z    -     - UNKNOWN
 13 -20.90   55.10 04/13/18Z    -     - UNKNOWN
 14 -21.90   54.50 04/14/00Z    -     - UNKNOWN
 15 -22.90   54.10 04/14/06Z    -     - UNKNOWN