ADT Date/Time Fix Lat Lon | OBS Date/Time Fix Lat Lon | Diff 2019/09/19/1150Z FCST 16.3 53.8 | 2019/09/19/1200Z BEST 16.5 53.9 | 15.3 2019/09/19/1750Z FCST 17.1 55.0 | 2019/09/19/1800Z BEST 17.2 55.2 | 14.4 2019/09/19/2350Z FCST 17.8 56.4 | 2019/09/20/0000Z BEST 17.7 56.6 | 11.6 2019/09/20/0550Z FCST 18.3 57.9 | 2019/09/20/0600Z BEST 18.1 58.1 | 17.2 2019/09/20/1150Z FCST 18.6 59.4 | 2019/09/20/1200Z BEST 18.5 59.6 | 15.8 2019/09/20/1750Z ARCR 19.3 61.0 | 2019/09/20/1800Z BEST 19.2 61.2 | 15.1 2019/09/20/2350Z FCST 19.9 62.7 | 2019/09/21/0000Z BEST 19.9 62.5 | 10.1 2019/09/21/0550Z FCST 20.9 63.2 | 2019/09/21/0600Z BEST 21.0 63.5 | 17.3 2019/09/21/1150Z FCST 21.8 64.5 | 2019/09/21/1200Z BEST 21.6 64.3 | 15.8 2019/09/22/1150Z FCST 25.4 67.2 | 2019/09/22/1200Z BEST 25.4 66.6 | 31.0 2019/09/22/1750Z FCST 26.1 66.8 | 2019/09/22/1800Z BEST 26.3 66.8 | 13.1 2019/09/23/1150Z FCST 28.1 67.8 | 2019/09/23/1200Z BEST 27.8 67.9 | 16.1 2019/09/23/2350Z FCST 28.7 68.4 | 2019/09/24/0000Z BEST 28.9 68.6 | 14.8 2019/09/24/1150Z FCST 30.1 68.4 | 2019/09/24/1200Z BEST 30.6 69.1 | 47.7 2019/09/24/1750Z FCST 31.1 69.2 | 2019/09/24/1800Z BEST 30.9 69.1 | 11.7