HIE Date/Time Fix Lat Lon | OBS Date/Time Fix Lat Lon | Diff 2017/04/19/1745Z EXTP 32.2 40.7 | 2017/04/19/1800Z BEST 32.2 40.5 | 10.0 2017/04/20/1745Z EXTP 36.8 40.4 | 2017/04/20/1800Z BEST 37.3 40.7 | 36.0 2017/04/20/2345Z FCST 38.0 43.2 | 2017/04/21/0000Z BEST 39.0 43.0 | 58.9 2017/04/21/0545Z FCST 39.7 45.3 | 2017/04/21/0600Z BEST 40.0 46.3 | 49.2 2017/04/21/1145Z EXTP 40.4 49.3 | 2017/04/21/1200Z BEST 39.9 49.3 | 29.4