USAP Shackleton Glacier site lat/lon = (-85.0800,-175.3800) cell lat/lon = (-85.0689,-175.3710) Forecast initialized at 2026-02-20/12 UTC MPAS cell scale: 2.3 km FCST UTC UTC T Td Altim Spd Gust Dir Grid VVV RH1RH2RH3 T1T2T3 ACCUM HR DAY HR (C) (C) (in Hg)(kts)(kts)(deg)(deg) (*) (% wrt water) (C) (*) 0 20 12 -26.6 -35.6 29.28 12 12 162 347 -004 51 47 27 -23-24-24 000 1 20 13 -23.9 -32.5 29.22 30 46 188 12 000 49 27 22 -21-21-21 000 2 20 14 -23.9 -32.0 29.17 28 47 186 10 003 51 24 21 -21-20-20 000 3 20 15 -24.0 -31.3 29.13 19 36 182 7 012 56 26 17 -21-20-20 000 4 20 16 -21.1 -29.9 29.11 38 50 192 17 017 46 24 17 -20-19-18 000 5 20 17 -21.0 -30.2 29.10 43 53 194 19 009 44 23 18 -19-18-18 000 6 20 18 -21.3 -30.5 29.07 43 53 197 22 002 44 24 18 -20-19-18 000 7 20 19 -21.5 -30.7 29.04 45 54 199 23 002 44 24 18 -20-19-18 000 8 20 20 -21.7 -30.9 29.02 46 55 197 22 003 44 25 18 -20-19-19 000 9 20 21 -21.5 -30.7 29.02 46 55 198 23 000 44 26 20 -20-19-19 000 10 20 22 -21.3 -30.2 29.00 44 53 197 22 000 46 27 20 -20-20-19 000 11 20 23 -21.0 -28.9 28.97 34 45 193 18 009 52 26 21 -20-18-18 000 12 21 00 -23.3 -28.8 28.96 5 11 152 336 009 65 27 19 -19-18-20 000 13 21 01 -20.3 -27.2 28.94 12 22 193 17 011 56 25 15 -16-17-18 000 14 21 02 -18.6 -26.3 28.96 20 28 197 21 020 52 21 16 -14-16-17 000 15 21 03 -18.2 -26.3 28.97 22 29 197 22 004 50 20 17 -15-15-16 000 16 21 04 -19.5 -26.6 28.97 12 23 209 33 -003 53 23 15 -15-15-16 000 17 21 05 -21.2 -27.9 28.97 6 15 208 33 -001 57 23 15 -15-15-15 000 18 21 06 -20.7 -28.0 28.96 5 14 215 40 000 59 23 14 -15-15-15 000 19 21 07 -21.0 -28.1 28.95 4 9 212 36 013 60 21 15 -14-15-15 000 20 21 08 -21.7 -28.4 28.94 0 8 109 293 -009 63 21 14 -15-15-15 000 21 21 09 -22.1 -28.6 28.94 1 7 45 229 -029 64 21 13 -15-15-14 000 22 21 10 -22.7 -29.2 28.93 3 3 31 216 -016 64 21 12 -16-15-14 000 23 21 11 -23.6 -30.0 28.91 7 7 22 207 -035 60 21 12 -16-14-13 000 24 21 12 -21.2 -29.0 28.89 0 7 175 0 010 56 21 11 -15-14-12 000 25 21 13 -21.1 -28.4 28.88 6 12 213 37 -001 57 19 11 -14-13-12 000 26 21 14 -21.0 -28.7 28.88 2 2 27 211 004 56 16 11 -15-12-11 000 27 21 15 -20.6 -28.2 28.87 0 3 231 55 000 56 16 11 -14-12-11 000 28 21 16 -23.4 -29.3 28.86 9 9 25 209 -026 61 14 12 -13-11-11 000 29 21 17 -22.5 -28.4 28.85 11 11 21 206 -025 61 16 12 -12-12-11 000 30 21 18 -21.8 -27.9 28.84 10 10 11 196 -046 57 17 11 -13-12-11 000 31 21 19 -20.9 -27.6 28.85 9 11 19 204 -035 54 18 11 -12-12-11 000 32 21 20 -19.8 -26.5 28.85 6 6 359 183 -079 58 19 10 -13-12-11 000 33 21 21 -19.7 -26.4 28.84 10 10 11 195 -080 52 18 11 -12-12-11 000 34 21 22 -19.0 -25.5 28.83 6 6 7 192 -050 58 18 11 -12-11-10 000 35 21 23 -17.8 -25.1 28.83 1 8 347 172 -041 58 20 11 -12-11-10 000 36 22 00 -18.6 -25.2 28.83 8 17 207 32 -011 55 23 11 -12-12-11 000 37 22 01 -18.0 -24.5 28.81 10 20 205 29 -028 53 25 11 -12-12-11 000 38 22 02 -17.1 -24.0 28.80 12 23 203 28 -007 52 22 12 -12-11-10 000 39 22 03 -15.0 -23.3 28.79 23 33 198 22 010 48 17 12 -11-10-10 000 40 22 04 -14.7 -23.5 28.79 28 38 196 20 001 45 15 13 -11-10-10 000 41 22 05 -15.0 -23.6 28.80 28 38 194 19 007 46 16 14 -12-10-10 000 42 22 06 -15.3 -23.6 28.79 25 37 194 19 012 48 16 15 -12-10-10 000 43 22 07 -15.6 -23.8 28.79 25 38 191 16 -001 49 17 15 -12-10-10 000 44 22 08 -16.0 -23.8 28.78 21 37 190 15 000 51 18 17 -12-10-10 000 45 22 09 -15.7 -24.0 28.78 30 44 190 14 -001 49 18 19 -13-10-11 000 46 22 10 -16.8 -24.3 28.80 30 43 185 10 -003 54 23 21 -14-12-12 000 47 22 11 -17.6 -24.5 28.79 27 40 182 7 -005 58 29 23 -15-14-12 000 48 22 12 -18.0 -24.9 28.79 26 39 182 7 -008 58 28 25 -14-13-14 000 49 22 13 -18.1 -24.8 28.79 28 41 183 8 -002 59 28 26 -14-13-13 000 50 22 14 -18.4 -25.0 28.80 24 39 180 4 -003 60 32 26 -15-14-13 000 51 22 15 -18.9 -25.6 28.81 16 37 175 0 -002 58 33 24 -15-15-15 000 52 22 16 -21.0 -27.2 28.81 9 32 157 342 -002 56 33 20 -16-15-16 000 53 22 17 -18.7 -25.5 28.81 15 37 185 9 -001 57 28 24 -15-14-14 000 54 22 18 -17.8 -24.9 28.80 28 41 187 11 -001 56 29 23 -15-14-14 000 55 22 19 -17.9 -25.2 28.80 31 42 186 11 -002 55 29 22 -16-15-15 000 56 22 20 -18.2 -25.7 28.80 32 42 188 13 003 54 29 24 -16-15-15 000 57 22 21 -18.4 -26.3 28.80 32 43 189 14 000 51 26 22 -16-15-15 000 58 22 22 -18.5 -26.6 28.81 33 42 190 15 002 50 24 19 -16-15-15 000 59 22 23 -18.6 -27.2 28.81 35 44 192 16 001 47 23 18 -16-16-16 000 60 23 00 -18.8 -27.5 28.81 35 44 193 17 001 47 22 17 -17-16-16 000 61 23 01 -18.8 -27.2 28.81 35 44 192 17 006 48 24 16 -17-16-16 000 62 23 02 -18.8 -26.8 28.81 33 43 192 17 006 51 25 16 -17-16-16 000 63 23 03 -19.0 -26.7 28.80 34 44 193 18 009 53 26 18 -17-16-16 000 64 23 04 -19.2 -26.9 28.80 34 44 194 19 007 53 27 19 -17-16-16 000 65 23 05 -19.4 -27.1 28.79 33 44 194 18 007 53 28 22 -17-16-16 000 66 23 06 -19.6 -27.3 28.79 32 44 194 18 011 53 29 23 -18-16-16 000 67 23 07 -19.9 -27.4 28.79 29 40 194 19 011 54 31 25 -18-17-17 000 68 23 08 -20.2 -27.6 28.79 28 39 196 20 011 55 32 26 -18-17-17 000 69 23 09 -20.5 -28.0 28.79 27 38 196 21 012 54 32 26 -18-17-17 000 70 23 10 -20.8 -28.2 28.78 26 37 198 22 016 55 31 26 -18-17-18 000 71 23 11 -21.5 -28.4 28.79 20 30 202 26 022 59 31 25 -19-17-18 000 72 23 12 -21.6 -28.9 28.79 23 33 203 28 023 56 26 17 -19-18-18 000 73 23 13 -22.6 -29.8 28.78 25 37 200 25 013 57 29 18 -20-18-18 000 74 23 14 -22.9 -30.1 28.78 22 34 198 23 016 57 28 18 -20-19-18 000 75 23 15 -24.7 -30.8 28.78 6 16 204 29 002 62 25 17 -20-18-19 000 76 23 16 -24.1 -30.6 28.77 4 4 32 216 023 65 31 18 -20-18-17 000 77 23 17 -26.0 -30.8 28.79 7 7 7 192 -020 74 28 22 -18-18-19 000 78 23 18 -26.3 -30.2 28.80 8 8 351 176 -012 83 35 24 -19-19-19 000 79 23 19 -24.3 -29.2 28.79 6 6 324 148 -026 75 35 26 -18-19-18 000 80 23 20 -25.0 -29.3 28.80 7 7 343 167 -055 77 38 25 -18-19-18 000 81 23 21 -24.8 -29.2 28.80 9 9 12 197 -069 76 37 27 -18-18-18 000 82 23 22 -24.0 -28.8 28.82 7 7 8 192 -084 72 38 27 -18-18-17 000 83 23 23 -23.4 -28.3 28.83 7 7 10 194 -081 71 38 28 -18-18-17 000 84 24 00 -21.0 -27.7 28.84 5 5 345 170 -064 61 38 28 -18-18-17 000 85 24 01 -21.5 -27.9 28.85 9 16 220 45 -106 55 36 29 -17-17-17 000 86 24 02 -19.3 -26.5 28.86 18 19 217 42 -180 55 35 29 -17-17-17 000 87 24 03 -19.2 -26.6 28.88 21 21 217 41 -154 54 37 30 -17-18-18 000 88 24 04 -19.0 -27.0 28.89 25 25 218 43 -124 51 36 30 -17-17-18 000 89 24 05 -19.2 -27.0 28.89 25 25 220 45 -149 52 34 29 -17-17-17 000 90 24 06 -19.5 -27.0 28.90 22 22 217 42 -174 54 35 29 -17-17-17 000 91 24 07 -19.2 -27.2 28.90 26 27 220 44 -153 51 36 30 -17-17-18 000 92 24 08 -19.3 -27.3 28.91 29 29 220 45 -116 51 34 30 -17-17-17 000 93 24 09 -19.3 -27.2 28.91 28 29 222 46 -112 51 35 31 -16-17-17 000 94 24 10 -19.2 -26.9 28.92 27 28 221 46 -094 53 36 33 -16-17-17 000 95 24 11 -19.0 -26.7 28.92 27 27 226 51 -037 53 37 33 -16-17-17 000 96 24 12 -18.4 -26.4 28.91 28 29 215 39 -024 51 38 30 -16-17-17 000 97 24 13 -18.6 -26.4 28.91 27 28 211 36 -045 52 40 31 -16-17-17 000 98 24 14 -19.4 -26.1 28.92 26 30 205 30 -038 59 36 29 -15-16-16 000 99 24 15 -19.1 -26.1 28.93 28 33 202 26 -035 58 35 30 -15-16-16 000 100 24 16 -18.8 -25.9 28.93 29 33 201 26 -019 57 34 31 -15-15-16 000 101 24 17 -18.5 -25.5 28.94 28 33 200 24 -001 57 33 32 -15-15-16 000 102 24 18 -18.4 -25.2 28.94 24 30 200 25 -007 59 34 32 -14-15-15 000 103 24 19 -18.4 -24.8 28.95 20 26 200 25 004 61 33 34 -14-15-15 000 104 24 20 -18.1 -24.5 28.96 20 27 200 25 013 61 34 33 -14-15-15 000 105 24 21 -17.8 -24.1 28.97 17 25 200 24 021 61 32 31 -13-14-15 000 106 24 22 -17.7 -24.0 28.97 16 26 200 25 015 61 32 30 -14-14-15 000 107 24 23 -17.7 -24.1 28.96 18 28 198 23 003 61 31 28 -14-14-15 000 108 25 00 -17.9 -24.2 28.97 17 28 200 24 002 62 31 28 -14-14-14 000 109 25 01 -17.9 -24.2 28.96 18 29 198 23 000 62 30 27 -15-14-14 000 110 25 02 -18.0 -24.3 28.96 17 29 199 24 -002 61 30 26 -15-14-15 000 111 25 03 -18.4 -24.5 28.95 16 28 201 25 -002 62 32 26 -16-14-15 000 112 25 04 -19.1 -24.8 28.94 13 26 200 24 010 65 34 25 -16-14-15 000 113 25 05 -18.5 -25.1 28.94 21 32 197 22 -006 60 32 26 -15-14-15 000 114 25 06 -20.3 -25.9 28.94 11 26 192 17 -004 66 36 27 -16-15-15 000 115 25 07 -19.7 -26.0 28.94 16 31 196 20 -001 62 33 28 -16-15-15 000 116 25 08 -20.6 -26.6 28.94 15 29 191 16 008 65 35 28 -16-15-14 000 117 25 09 -19.9 -26.6 28.94 24 37 187 12 011 60 32 28 -16-15-16 000 118 25 10 -20.3 -26.6 28.94 22 34 184 9 008 63 40 27 -17-17-16 000 119 25 11 -19.8 -26.9 28.94 25 35 187 12 003 57 33 30 -16-16-17 000 120 25 12 -20.7 -27.1 28.93 18 33 186 10 006 61 34 30 -17-16-17 000 * NOTES on units: VVV (vertical velocity) is given as tenths of a microbar per second at 700 hPa, with positive values indicating upward motion; ACCUM (accumulated precipitation, past 3h) is given as hundredths of a millimeter; RH1, RH2, and RH3 are the % RH at the surface, 1000', and 3000', respectively; T1, T2, and T3 are the temperatures at 500', 1000', and 1500', respectively. Gust is estimated according to the NCEP HRRR gust algorithm.