Byrd Surface Camp (NBY) site lat/lon = (-80.0182,-119.5864) cell lat/lon = (-80.0315,-119.6607) Forecast initialized at 2025-09-19/12 UTC MPAS cell scale: 4.2 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 19 12 -16.2 -20.4 28.09 15 19 45 286 -007 78 80 78 -16-16-17 000 1 19 13 -18.7 -21.0 28.09 12 27 46 287 002 97 82 80 -16-17-16 000 2 19 14 -19.9 -21.1 28.11 13 28 54 294 000 111 80 86 -16-16-16 000 3 19 15 -18.5 -20.3 28.12 16 35 45 285 002 103 87 89 -17-17-17 000 4 19 16 -18.3 -20.4 28.13 17 35 40 280 002 99 98 91 -17-18-18 000 5 19 17 -18.8 -21.1 28.16 18 36 33 273 003 97 96 90 -18-18-18 000 6 19 18 -19.1 -21.5 28.19 19 36 27 267 006 96 93 90 -18-18-18 000 7 19 19 -19.8 -22.1 28.19 20 38 25 265 006 99 90 89 -19-18-18 000 8 19 20 -20.1 -22.3 28.23 21 38 25 266 005 101 90 82 -19-19-18 000 9 19 21 -20.4 -22.4 28.24 21 37 28 268 003 102 86 82 -19-19-19 000 10 19 22 -20.6 -22.5 28.28 21 38 28 268 003 104 85 85 -19-19-19 000 11 19 23 -20.9 -22.5 28.32 21 38 25 266 005 107 85 87 -20-19-19 000 12 20 00 -21.3 -22.6 28.35 22 38 26 266 005 110 84 87 -20-19-19 000 13 20 01 -21.9 -22.9 28.37 22 39 27 268 007 115 82 81 -20-19-19 000 14 20 02 -22.5 -23.5 28.39 23 38 26 266 007 117 79 79 -20-19-18 000 15 20 03 -23.4 -24.5 28.44 23 38 25 265 004 116 78 76 -21-18-18 000 16 20 04 -24.0 -25.1 28.48 23 38 25 265 002 117 78 76 -21-18-18 000 17 20 05 -24.4 -25.1 28.51 23 38 22 263 005 122 80 76 -21-19-18 000 18 20 06 -24.7 -25.4 28.53 23 38 20 260 001 123 82 74 -22-19-18 000 19 20 07 -25.0 -25.8 28.56 22 38 17 258 001 121 86 78 -22-19-18 000 20 20 08 -25.1 -26.1 28.59 22 37 14 254 000 120 90 81 -22-19-18 000 21 20 09 -25.3 -26.4 28.62 20 35 14 255 -002 119 91 84 -22-20-18 000 22 20 10 -26.0 -27.0 28.64 19 33 17 257 -001 121 92 82 -22-20-19 000 23 20 11 -26.7 -27.6 28.67 19 32 18 258 -003 122 91 83 -21-20-19 000 24 20 12 -26.8 -27.9 28.69 19 31 19 259 -001 122 84 76 -21-20-19 000 25 20 13 -27.2 -28.3 28.72 18 31 21 261 -002 121 84 74 -21-20-20 000 26 20 14 -27.8 -28.9 28.74 18 32 24 265 000 122 90 76 -21-20-20 000 27 20 15 -28.1 -29.3 28.75 19 33 24 264 000 122 90 77 -22-20-20 000 28 20 16 -27.6 -29.0 28.74 20 36 21 262 000 117 86 78 -23-20-20 000 29 20 17 -26.7 -28.6 28.75 21 36 18 258 002 111 91 78 -24-20-20 000 30 20 18 -26.2 -28.3 28.76 22 37 16 256 003 108 89 77 -24-20-19 000 31 20 19 -26.0 -28.3 28.77 23 40 14 255 003 105 83 84 -25-20-19 000 32 20 20 -26.2 -28.5 28.77 23 39 13 254 005 105 89 81 -25-20-19 000 33 20 21 -26.0 -28.4 28.78 23 38 12 252 002 104 95108 -25-21-19 000 34 20 22 -26.3 -29.0 28.79 22 37 10 250 -003 101 98107 -26-23-22 000 35 20 23 -27.2 -29.5 28.79 19 34 11 251 000 105103 85 -26-24-23 000 36 21 00 -27.5 -30.1 28.79 19 32 7 247 -002 103108 91 -26-23-22 000 37 21 01 -27.7 -29.9 28.80 19 30 359 239 002 108 93 94 -23-21-21 000 38 21 02 -28.1 -30.0 28.81 18 31 5 246 000 112100 89 -23-21-21 000 39 21 03 -28.8 -30.7 28.80 19 30 8 248 -002 112 96 97 -22-20-20 000 40 21 04 -29.6 -31.3 28.80 18 29 6 247 000 116 92105 -23-20-21 000 41 21 05 -30.3 -31.7 28.80 18 28 8 249 000 120 91111 -22-20-20 000 42 21 06 -29.8 -31.2 28.80 16 25 2 242 000 120 91108 -22-20-20 000 43 21 07 -29.8 -31.1 28.80 15 24 359 240 001 122 91 88 -22-21-20 000 44 21 08 -29.2 -30.5 28.79 15 23 352 233 000 122 89 87 -22-21-20 000 45 21 09 -29.4 -30.7 28.78 15 22 353 234 000 122 85 89 -22-20-20 000 46 21 10 -30.4 -31.6 28.77 15 22 356 236 000 124 78 91 -22-20-20 000 47 21 11 -31.1 -32.4 28.76 15 22 357 237 -001 124 79 94 -21-20-20 000 48 21 12 -31.7 -33.0 28.76 14 22 359 239 000 124 83 98 -21-20-20 000 49 21 13 -31.9 -33.2 28.75 13 21 358 238 000 124 89100 -22-21-20 000 50 21 14 -31.5 -33.1 28.75 12 20 357 238 000 122 97102 -23-21-22 001 51 21 15 -30.1 -32.4 28.75 10 16 358 238 -001 109103105 -23-22-23 002 52 21 16 -29.5 -32.5 28.75 11 15 352 233 001 100103105 -22-22-23 007 53 21 17 -30.2 -33.2 28.75 10 15 353 233 001 102105 98 -23-23-23 006 54 21 18 -29.2 -32.4 28.74 11 13 344 224 -004 98102102 -24-23-23 002 55 21 19 -28.5 -31.6 28.73 9 10 335 216 000 98 98102 -24-22-23 006 56 21 20 -28.4 -31.6 28.72 8 9 325 205 -001 98104102 -24-23-23 005 57 21 21 -27.7 -30.7 28.72 5 8 309 189 -002 99107105 -24-23-24 004 58 21 22 -26.7 -29.6 28.72 5 9 290 170 -001 99107105 -25-24-24 007 59 21 23 -26.0 -28.8 28.72 6 12 254 134 000 100106103 -26-24-24 008 60 22 00 -26.5 -29.1 28.72 7 14 241 121 000 102106103 -25-24-24 009 61 22 01 -27.4 -29.9 28.72 7 11 255 135 -001 104106103 -26-24-24 007 62 22 02 -28.4 -31.0 28.71 6 11 267 147 -003 104107104 -26-25-24 006 63 22 03 -29.2 -31.8 28.70 5 11 273 154 -001 105105107 -25-25-25 006 64 22 04 -30.0 -32.7 28.69 5 10 284 165 000 105103105 -26-24-25 006 65 22 05 -31.2 -33.8 28.67 6 9 294 174 000 108103104 -26-24-25 004 66 22 06 -32.1 -34.7 28.66 5 8 296 177 000 109103102 -26-24-25 002 67 22 07 -33.1 -35.7 28.66 6 7 307 187 000 109104101 -26-25-25 002 68 22 08 -34.0 -36.7 28.65 5 5 324 204 000 109105103 -26-25-25 002 69 22 09 -34.6 -37.3 28.63 6 6 338 219 000 109107104 -27-25-26 002 70 22 10 -35.1 -37.7 28.61 6 6 343 223 000 111107105 -27-25-26 002 71 22 11 -36.0 -38.5 28.59 7 7 345 225 000 113107105 -27-26-26 002 72 22 12 -37.1 -39.4 28.58 8 8 339 219 000 118106104 -26-26-26 001 73 22 13 -38.2 -40.1 28.56 9 9 339 219 000 124105106 -26-26-26 000 74 22 14 -39.3 -41.3 28.55 9 9 350 231 000 124108105 -26-26-26 000 75 22 15 -40.6 -42.6 28.53 9 9 7 248 000 124109104 -27-26-26 000 76 22 16 -41.4 -43.5 28.52 9 11 9 249 000 124110 98 -28-26-26 000 77 22 17 -41.1 -43.2 28.51 10 12 11 251 000 124107 93 -28-26-26 000 78 22 18 -40.7 -42.8 28.49 10 13 15 255 001 124103 89 -28-26-26 000 79 22 19 -40.6 -42.6 28.48 10 15 15 256 000 124 99 89 -27-26-26 000 80 22 20 -40.2 -42.3 28.47 10 16 19 259 000 124 97 89 -27-26-26 000 81 22 21 -39.9 -42.0 28.46 10 17 22 263 000 124 95 86 -27-26-26 000 82 22 22 -39.8 -41.8 28.45 11 19 23 264 001 124 94 85 -27-26-26 000 83 22 23 -40.0 -42.0 28.44 11 20 23 263 001 124 92 83 -27-26-26 000 84 23 00 -40.4 -42.4 28.43 12 21 25 265 001 124 90 81 -27-26-26 000 85 23 01 -40.5 -42.4 28.42 13 22 25 265 000 125 89 79 -27-26-26 000 86 23 02 -40.6 -42.4 28.41 13 23 22 263 001 127 86 78 -27-26-26 000 87 23 03 -40.8 -42.5 28.40 14 24 21 262 001 130 84 76 -27-26-25 000 88 23 04 -40.7 -42.3 28.39 14 24 22 263 000 129 82 72 -27-25-25 000 89 23 05 -40.3 -42.0 28.38 15 26 23 264 000 128 83 70 -27-26-25 000 90 23 06 -39.9 -41.6 28.37 16 27 24 264 000 128 83 67 -27-26-25 000 91 23 07 -39.5 -41.1 28.37 16 28 25 265 000 128 84 66 -27-26-25 000 92 23 08 -38.8 -40.4 28.36 18 29 24 265 000 127 83 65 -27-26-25 000 93 23 09 -38.1 -39.8 28.35 18 33 24 264 000 126 85 61 -27-26-25 000 94 23 10 -37.9 -39.6 28.35 18 33 26 266 000 125 87 57 -27-26-25 000 95 23 11 -37.5 -39.2 28.35 19 34 28 268 000 125 87 56 -27-26-25 000 96 23 12 -37.0 -38.7 28.34 20 34 29 269 000 124 83 57 -27-25-25 000 97 23 13 -36.7 -38.5 28.34 20 35 28 268 000 123 77 56 -27-25-24 000 98 23 14 -36.6 -38.4 28.34 21 37 26 266 000 122 77 54 -27-24-24 000 99 23 15 -36.1 -37.9 28.33 21 37 24 265 000 121 76 55 -26-24-24 000 100 23 16 -35.2 -37.1 28.33 21 37 23 263 000 119 69 47 -26-23-23 000 101 23 17 -34.4 -36.3 28.32 22 37 22 263 001 119 67 35 -26-23-22 000 102 23 18 -33.5 -35.4 28.33 22 37 23 263 001 118 79 44 -27-22-22 000 103 23 19 -32.7 -34.7 28.33 23 38 23 263 002 115 69 59 -27-22-22 000 104 23 20 -32.0 -34.2 28.33 23 39 22 263 001 112 89 53 -28-22-21 000 105 23 21 -31.5 -33.9 28.33 23 40 22 262 001 110 94 50 -29-24-20 000 106 23 22 -31.2 -33.6 28.34 24 40 20 261 001 109 94 37 -29-24-20 000 107 23 23 -31.0 -33.8 28.34 24 40 19 259 000 104 83 30 -29-23-20 000 108 24 00 -30.3 -33.4 28.35 23 38 16 257 000 99 81 65 -29-23-20 000 109 24 01 -29.1 -32.6 28.36 23 37 15 255 000 94 95 94 -28-22-20 000 110 24 02 -28.8 -32.1 28.36 23 37 13 254 000 97 94 95 -28-22-20 000 111 24 03 -29.2 -32.1 28.37 21 37 13 253 000 100 92 94 -28-22-20 000 112 24 04 -28.5 -31.9 28.38 22 37 12 252 000 94 92 96 -28-23-19 000 113 24 05 -27.9 -31.5 28.39 23 36 10 251 001 91 93 98 -28-25-21 001 114 24 06 -27.6 -31.2 28.41 23 38 10 251 000 91 95 98 -28-25-22 002 115 24 07 -27.5 -31.2 28.42 23 38 10 250 000 90 94 99 -28-25-23 004 116 24 08 -28.5 -32.2 28.43 24 40 14 255 003 92 90 87 -28-24-22 000 117 24 09 -28.9 -32.2 28.44 25 42 17 257 005 96 89 87 -28-23-22 000 118 24 10 -29.9 -32.5 28.46 26 44 19 260 005 105 87 90 -27-22-22 000 119 24 11 -30.5 -32.5 28.48 24 42 19 259 006 113 88 94 -27-23-22 000 120 24 12 -30.6 -32.1 28.49 23 41 20 260 005 120 86 97 -27-23-22 000 * 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.