USAP Lower Thwaites site lat/lon = (-77.3773,161.7327) cell lat/lon = (-77.3690,161.7058) Forecast initialized at 2026-04-30/12 UTC MPAS cell scale: 2.4 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 30 12 -32.0 -38.2 28.94 4 4 218 20 000 70 68 74 -28-29-29 000 1 30 13 -28.5 -36.2 28.95 2 3 326 128 001 58 73 80 -28-29-29 000 2 30 14 -29.7 -38.0 28.96 7 7 219 20 000 47 66 70 -27-28-29 000 3 30 15 -30.8 -38.6 28.97 10 10 183 345 -004 46 57 73 -27-28-29 000 4 30 16 -30.4 -40.0 29.01 10 10 199 1 -001 38 57 53 -27-28-29 000 5 30 17 -30.2 -40.1 29.01 9 9 214 16 000 38 42 58 -27-28-28 000 6 30 18 -29.6 -40.2 29.03 11 11 192 354 000 38 39 61 -27-28-28 000 7 30 19 -29.6 -40.1 29.02 9 9 187 348 001 37 40 57 -27-28-29 000 8 30 20 -28.9 -40.0 29.02 6 6 189 351 000 36 39 58 -27-28-28 000 9 30 21 -28.9 -39.6 29.07 6 6 180 341 001 38 41 58 -27-27-28 000 10 30 22 -29.6 -39.6 29.06 8 8 188 350 000 38 39 59 -26-27-28 000 11 30 23 -28.1 -39.6 29.05 5 5 200 2 000 38 40 54 -27-27-28 000 12 01 00 -29.7 -39.5 29.05 7 7 180 342 -002 40 40 59 -26-27-28 000 13 01 01 -28.3 -39.4 29.06 5 5 172 334 002 40 39 56 -26-27-28 000 14 01 02 -28.7 -40.0 29.10 6 6 220 22 -008 37 43 56 -27-28-29 000 15 01 03 -28.7 -40.2 29.11 5 5 220 22 -006 37 40 54 -27-28-28 000 16 01 04 -29.2 -40.2 29.12 3 4 203 5 000 39 41 52 -27-28-29 000 17 01 05 -28.9 -40.0 29.12 4 4 224 25 -001 39 42 49 -27-28-29 000 18 01 06 -29.6 -40.3 29.11 3 3 185 346 -001 40 42 49 -28-28-29 000 19 01 07 -31.4 -39.6 29.11 8 8 190 352 000 43 43 52 -28-28-29 000 20 01 08 -30.0 -39.9 29.11 3 4 326 127 -001 43 42 53 -28-28-29 000 21 01 09 -30.3 -39.8 29.12 2 3 56 217 000 44 44 53 -28-29-29 000 22 01 10 -30.4 -40.1 29.13 2 3 181 342 002 43 46 53 -28-29-29 000 23 01 11 -31.2 -40.6 29.16 4 6 186 348 -026 45 73 69 -29-30-30 000 24 01 12 -31.5 -40.9 29.19 2 3 319 121 -013 44 64 54 -29-29-30 000 25 01 13 -32.4 -41.4 29.19 9 9 191 353 -005 39 50 50 -29-29-30 000 26 01 14 -32.2 -41.3 29.20 8 8 193 355 -013 40 55 48 -28-29-30 000 27 01 15 -31.4 -41.2 29.19 10 10 211 13 -010 36 49 51 -28-29-29 000 28 01 16 -30.7 -41.3 29.19 7 7 197 359 -001 36 41 48 -28-29-29 000 29 01 17 -29.9 -41.2 29.19 8 8 194 356 -002 33 40 47 -27-28-29 000 30 01 18 -28.9 -41.0 29.18 3 3 236 37 -001 35 37 49 -27-28-28 000 31 01 19 -30.8 -40.5 29.17 9 9 185 347 -001 36 34 48 -27-28-28 000 32 01 20 -30.3 -39.6 29.17 10 10 204 6 000 38 34 46 -27-27-28 000 33 01 21 -30.1 -39.3 29.16 10 10 197 359 000 39 35 47 -27-27-28 000 34 01 22 -29.7 -39.3 29.14 10 10 197 359 003 37 38 46 -26-27-27 000 35 01 23 -29.7 -39.0 29.13 9 9 196 357 003 39 37 43 -26-27-27 000 36 02 00 -29.4 -39.5 29.12 9 9 191 353 001 35 35 43 -26-26-27 000 37 02 01 -29.6 -39.9 29.10 9 9 185 347 001 35 35 41 -26-26-27 000 38 02 02 -29.5 -40.7 29.10 8 8 184 346 001 32 34 40 -26-26-27 000 39 02 03 -29.5 -40.9 29.09 8 8 191 353 001 31 34 39 -26-26-27 000 40 02 04 -29.5 -41.1 29.08 9 9 191 353 001 30 34 37 -26-26-27 000 41 02 05 -27.6 -41.0 29.07 5 5 195 357 001 30 34 35 -26-26-27 000 42 02 06 -27.6 -41.6 29.05 6 6 192 353 001 28 32 33 -26-26-27 000 43 02 07 -27.6 -41.7 29.04 5 5 194 355 001 28 31 30 -26-26-26 000 44 02 08 -28.7 -42.2 29.02 7 7 198 0 001 26 30 29 -26-26-26 000 45 02 09 -28.9 -42.3 29.01 8 8 197 358 000 26 29 28 -26-26-26 000 46 02 10 -29.4 -42.3 29.01 8 8 202 4 000 26 28 27 -26-26-26 000 47 02 11 -28.7 -42.4 29.00 8 8 204 6 001 25 27 28 -26-26-26 000 48 02 12 -27.2 -42.5 28.99 5 5 216 18 002 25 27 27 -26-26-26 000 49 02 13 -27.5 -42.4 28.99 3 3 186 348 001 25 27 26 -26-26-26 000 50 02 14 -27.6 -42.3 28.98 6 6 194 356 000 26 27 26 -26-26-26 000 51 02 15 -27.7 -42.6 28.98 6 6 197 358 000 25 26 25 -26-26-26 000 52 02 16 -27.7 -42.8 28.98 6 6 205 7 000 24 26 25 -26-26-26 000 53 02 17 -27.0 -42.8 28.98 6 6 219 21 001 23 26 26 -26-26-26 000 54 02 18 -29.0 -42.3 28.96 8 8 197 359 001 26 26 25 -26-26-26 000 55 02 19 -29.2 -42.2 28.96 8 8 194 355 001 27 26 24 -26-26-26 000 56 02 20 -27.5 -42.5 28.95 6 6 190 352 000 26 25 24 -26-26-26 000 57 02 21 -27.3 -42.5 28.95 6 6 198 0 000 25 24 23 -25-25-25 000 58 02 22 -26.7 -42.7 28.94 5 5 198 359 001 23 23 23 -25-25-25 000 59 02 23 -26.8 -42.6 28.93 6 6 184 346 000 23 22 21 -25-25-25 000 60 03 00 -26.2 -42.3 28.93 6 6 182 344 -001 23 21 21 -24-24-24 000 61 03 01 -25.6 -41.6 28.93 5 5 185 347 -001 23 20 22 -24-24-24 000 62 03 02 -24.9 -41.0 28.92 3 3 190 352 -002 23 20 21 -23-23-23 000 63 03 03 -24.7 -41.0 28.91 3 3 184 346 001 23 18 22 -23-23-23 000 64 03 04 -25.2 -40.7 28.90 7 7 191 353 002 22 18 21 -22-22-22 000 65 03 05 -23.1 -41.0 28.89 5 5 214 16 000 19 18 21 -22-22-22 000 66 03 06 -23.6 -40.1 28.88 4 4 191 353 001 22 19 25 -22-22-22 000 67 03 07 -24.9 -37.1 28.86 9 9 190 351 000 27 21 21 -21-21-21 000 68 03 08 -24.7 -33.5 28.84 9 9 192 354 000 39 31 28 -20-21-21 000 69 03 09 -23.6 -32.8 28.82 10 10 201 3 -002 37 30 34 -20-20-20 000 70 03 10 -23.5 -32.0 28.81 9 9 199 1 000 40 33 40 -19-19-20 000 71 03 11 -20.4 -30.9 28.79 5 5 196 358 001 40 29 42 -19-19-19 000 72 03 12 -22.3 -30.3 28.77 10 10 187 349 001 41 29 44 -18-18-18 000 73 03 13 -20.4 -29.8 28.75 7 7 176 338 000 40 34 46 -17-17-18 000 74 03 14 -18.4 -29.1 28.74 5 5 167 329 000 40 37 46 -17-17-18 000 75 03 15 -18.0 -29.5 28.73 3 3 10 172 000 38 36 47 -16-16-17 000 76 03 16 -15.9 -29.0 28.72 4 13 339 141 -001 33 35 46 -14-15-15 000 77 03 17 -14.8 -28.0 28.70 20 33 179 341 003 34 32 44 -13-14-14 000 78 03 18 -13.8 -27.2 28.70 19 34 185 347 -008 34 35 44 -13-14-14 000 79 03 19 -13.2 -27.6 28.69 27 39 187 349 -004 31 31 50 -13-13-13 000 80 03 20 -13.2 -28.1 28.68 30 40 190 352 -006 30 28 48 -12-12-13 000 81 03 21 -13.5 -28.4 28.70 21 32 182 344 -034 30 29 40 -13-13-13 000 82 03 22 -13.8 -28.4 28.71 31 44 184 345 -013 31 26 36 -13-13-13 000 83 03 23 -14.4 -28.6 28.74 31 44 178 340 000 32 26 40 -14-13-14 000 84 04 00 -15.2 -28.9 28.77 20 32 165 327 -010 32 31 48 -14-14-15 000 85 04 01 -15.6 -29.4 28.80 20 31 171 333 007 32 31 51 -14-14-15 000 86 04 02 -16.3 -28.9 28.83 14 25 179 341 006 34 32 46 -14-15-15 000 87 04 03 -15.0 -29.2 28.85 19 32 189 351 -002 31 29 48 -13-13-14 000 88 04 04 -13.7 -28.6 28.87 22 33 192 354 -037 30 33 57 -13-13-14 000 89 04 05 -13.1 -29.3 28.88 26 31 203 4 -028 27 34 65 -12-13-14 000 90 04 06 -13.4 -29.4 28.91 12 21 203 5 -044 27 29 52 -12-13-14 000 91 04 07 -13.5 -29.2 28.93 13 19 213 15 -057 27 28 52 -12-13-14 000 92 04 08 -14.4 -29.0 28.96 4 9 159 321 -019 30 31 49 -13-14-15 000 93 04 09 -14.9 -28.9 29.00 1 6 114 276 -003 31 32 48 -14-14-15 000 94 04 10 -14.8 -28.7 29.01 4 10 188 350 010 31 32 49 -13-14-15 000 95 04 11 -15.9 -28.6 29.04 8 19 191 352 004 31 31 50 -13-14-15 000 96 04 12 -15.4 -28.4 29.05 10 18 179 341 000 32 33 54 -13-14-15 000 97 04 13 -15.6 -28.1 29.07 7 16 178 340 010 32 33 53 -13-14-15 000 98 04 14 -15.2 -28.2 29.08 9 17 179 341 005 32 32 54 -13-14-15 000 99 04 15 -14.0 -28.3 29.10 13 20 174 336 -021 30 33 52 -12-14-15 000 100 04 16 -14.4 -28.0 29.12 15 21 165 327 -006 33 35 53 -13-14-16 000 101 04 17 -16.5 -28.5 29.15 11 16 167 329 -004 36 34 59 -14-15-16 000 102 04 18 -17.1 -29.2 29.18 6 16 180 342 -005 34 32 52 -14-15-16 000 103 04 19 -16.5 -29.6 29.20 2 7 223 24 010 33 34 48 -15-16-17 000 104 04 20 -16.9 -29.7 29.22 3 9 187 349 -003 33 32 49 -14-15-16 000 105 04 21 -17.5 -29.5 29.26 1 5 40 201 -016 35 39 49 -16-17-17 000 106 04 22 -16.8 -29.2 29.29 3 5 286 88 -015 35 38 51 -16-16-17 000 107 04 23 -18.4 -28.9 29.29 12 15 201 3 -002 38 36 55 -14-16-17 000 108 05 00 -18.3 -29.7 29.29 7 10 217 19 -012 33 32 51 -14-15-16 000 109 05 01 -18.7 -29.2 29.30 9 15 180 342 000 35 33 51 -14-15-16 000 110 05 02 -19.8 -29.2 29.32 7 7 357 159 -005 40 36 48 -16-16-17 000 111 05 03 -18.0 -29.6 29.31 5 5 335 137 000 37 33 51 -15-16-17 000 112 05 04 -17.8 -29.5 29.30 4 6 275 77 -002 36 33 48 -15-15-16 000 113 05 05 -18.0 -29.2 29.31 4 4 207 9 000 38 37 47 -15-16-17 000 114 05 06 -18.1 -29.4 29.31 3 4 18 179 -006 37 36 49 -16-16-17 000 115 05 07 -17.7 -29.3 29.31 2 4 321 123 -001 35 35 50 -15-16-17 000 116 05 08 -18.1 -29.3 29.32 1 2 348 150 -002 37 41 47 -16-17-17 000 117 05 09 -18.9 -29.6 29.31 5 5 359 161 -005 40 36 48 -16-16-17 000 118 05 10 -18.8 -29.4 29.31 6 6 353 154 003 40 36 46 -16-17-17 000 119 05 11 -18.3 -29.7 29.28 2 6 30 191 006 36 36 42 -16-16-17 000 120 05 12 -18.0 -30.6 29.25 2 4 230 32 -004 32 34 40 -16-16-16 000 * 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.