Byrd Surface Camp (NBY) site lat/lon = (-80.0182,-119.5864) cell lat/lon = (-80.0315,-119.6607) Forecast initialized at 2025-12-23/12 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 23 12 -23.3 -27.1 28.81 7 11 44 284 -003 88 91 95 -21-21-21 000 1 23 13 -22.4 -24.6 28.81 7 10 37 278 000 102 89 93 -20-20-19 000 2 23 14 -21.6 -23.8 28.83 6 10 50 290 000 103 89 94 -19-18-19 000 3 23 15 -20.3 -22.5 28.81 6 13 56 296 001 100 93 95 -17-18-18 000 4 23 16 -17.2 -19.8 28.83 10 23 43 283 002 93 84 94 -16-17-18 000 5 23 17 -15.7 -19.2 28.83 14 23 33 274 001 83 89 90 -16-18-18 000 6 23 18 -15.5 -19.2 28.83 16 24 28 269 001 81 94 89 -16-18-19 000 7 23 19 -15.2 -18.8 28.85 16 24 27 267 001 83 95 91 -16-18-19 000 8 23 20 -15.1 -18.7 28.84 17 25 27 267 002 82 96 92 -16-18-19 000 9 23 21 -15.0 -18.6 28.85 17 25 28 269 002 82 94 92 -16-17-19 000 10 23 22 -14.8 -18.5 28.87 17 25 29 270 002 80 91 92 -16-17-19 000 11 23 23 -14.6 -18.4 28.84 17 26 30 270 003 80 90 90 -15-17-18 000 12 24 00 -14.3 -18.1 28.86 18 27 27 268 003 80 91 90 -15-17-18 000 13 24 01 -14.1 -17.6 28.87 17 26 28 268 004 82 92 96 -15-16-18 001 14 24 02 -14.2 -17.6 28.88 17 27 30 270 005 83 90 94 -15-16-17 000 15 24 03 -14.5 -17.9 28.89 15 27 32 272 004 84 89 93 -15-16-17 000 16 24 04 -15.1 -18.2 28.90 14 26 34 274 004 86 89 95 -15-16-17 000 17 24 05 -15.4 -18.6 28.90 14 27 39 279 004 86 87 90 -15-16-17 000 18 24 06 -16.3 -19.2 28.90 13 27 40 280 003 90 87 91 -15-16-17 000 19 24 07 -17.2 -19.6 28.91 13 28 41 281 003 95 85 90 -15-16-18 000 20 24 08 -18.0 -19.6 28.92 13 28 41 282 003 104 84 88 -16-17-18 000 21 24 09 -18.3 -19.8 28.93 13 27 37 278 003 106 86 86 -16-17-18 000 22 24 10 -18.5 -19.9 28.94 13 27 35 275 002 107 86 85 -16-17-18 000 23 24 11 -18.4 -20.1 28.94 13 26 35 275 002 104 86 85 -17-17-18 000 24 24 12 -18.2 -20.3 28.94 13 26 35 276 002 99 84 87 -17-18-18 000 25 24 13 -17.9 -20.4 28.95 14 26 35 276 001 94 85 86 -17-18-18 000 26 24 14 -17.6 -20.3 28.96 13 24 37 277 000 93 86 86 -17-18-18 000 27 24 15 -17.0 -20.1 28.96 14 24 34 275 001 89 84 86 -18-18-18 000 28 24 16 -16.6 -19.8 28.97 14 22 34 275 001 86 84 85 -17-18-18 000 29 24 17 -16.0 -19.3 28.96 13 21 35 275 000 85 87 86 -17-18-18 000 30 24 18 -15.6 -19.0 28.97 13 20 34 275 000 85 91 87 -17-18-18 000 31 24 19 -15.3 -18.7 28.97 13 19 34 274 001 84 93 89 -16-18-18 000 32 24 20 -14.9 -18.4 28.97 12 18 35 276 001 83 95 90 -16-17-18 000 33 24 21 -14.6 -18.1 28.97 11 16 37 277 002 83 92 91 -16-17-18 000 34 24 22 -14.4 -17.9 28.97 11 15 39 279 002 83 89 87 -16-17-17 000 35 24 23 -14.3 -17.7 28.97 10 15 39 279 002 83 87 83 -15-17-17 000 36 25 00 -14.3 -17.7 28.97 10 15 39 279 001 84 87 81 -15-17-17 000 37 25 01 -14.5 -17.7 28.97 9 14 37 277 001 85 85 80 -15-16-17 000 38 25 02 -15.0 -17.9 28.97 8 14 36 276 001 88 84 79 -15-16-17 000 39 25 03 -15.8 -18.5 28.97 8 14 39 279 001 91 81 78 -15-16-17 000 40 25 04 -16.8 -19.0 28.98 8 14 41 281 001 96 71 78 -15-16-17 000 41 25 05 -17.8 -19.5 28.98 8 14 41 282 000 103 66 82 -15-16-17 000 42 25 06 -18.8 -20.0 28.98 9 15 40 280 001 109 64 84 -15-16-17 000 43 25 07 -19.6 -20.5 28.99 9 15 35 276 001 115 72 82 -16-16-17 000 44 25 08 -20.4 -20.9 28.99 9 16 32 273 001 121 79 83 -15-16-17 000 45 25 09 -21.2 -21.7 28.99 9 16 31 271 002 122 81 93 -15-16-17 000 46 25 10 -21.6 -22.1 28.99 9 17 31 272 002 123 89 93 -15-16-17 000 47 25 11 -21.6 -22.1 29.00 9 18 31 271 001 123 92 91 -16-17-18 000 48 25 12 -21.3 -21.7 29.00 9 18 28 268 001 122 91 89 -15-17-18 000 49 25 13 -20.4 -21.3 29.01 10 18 25 266 001 115 89 91 -15-16-17 000 50 25 14 -19.2 -20.7 29.02 10 17 24 264 000 107 90 92 -15-16-17 000 51 25 15 -18.0 -20.1 29.02 10 16 22 262 000 99 92 92 -15-16-17 000 52 25 16 -17.0 -19.3 29.02 10 15 23 264 000 96 91 91 -15-16-17 000 53 25 17 -16.1 -18.5 29.02 9 14 27 268 000 94 91 90 -15-16-17 000 54 25 18 -15.3 -17.8 29.02 9 14 35 275 001 93 88 91 -16-16-17 000 55 25 19 -14.6 -17.4 29.02 12 18 34 275 001 90 91 90 -16-17-17 000 56 25 20 -14.3 -17.3 29.02 12 18 30 271 000 87100 89 -15-17-17 000 57 25 21 -13.8 -17.0 29.03 12 17 28 268 000 85100 86 -15-16-17 000 58 25 22 -13.5 -16.7 29.03 11 16 26 266 000 84 99 88 -15-16-17 000 59 25 23 -13.3 -16.4 29.03 11 16 23 264 000 85 99 89 -14-16-17 000 60 26 00 -13.3 -16.3 29.03 10 16 23 263 001 85 98 92 -14-16-17 000 61 26 01 -13.4 -16.4 29.02 10 17 25 266 001 86 97 90 -14-16-17 000 62 26 02 -13.8 -16.6 29.02 9 17 27 267 002 88 97 90 -14-15-17 000 63 26 03 -14.5 -17.1 29.02 9 18 29 269 001 90 96 90 -14-15-17 000 64 26 04 -15.3 -17.5 29.02 10 19 29 270 000 95 97 93 -14-16-17 000 65 26 05 -16.1 -17.8 29.02 10 20 26 266 000 100102 95 -14-16-17 000 66 26 06 -16.8 -18.0 29.02 11 21 24 265 000 107107 95 -15-16-17 000 67 26 07 -16.6 -17.8 29.03 11 20 16 257 001 106116 96 -15-17-17 000 68 26 08 -15.7 -17.5 29.03 11 20 12 253 001 100117 95 -15-17-17 000 69 26 09 -15.3 -17.3 29.03 11 19 13 253 000 96113 92 -15-17-18 000 70 26 10 -15.3 -17.4 29.04 11 18 6 247 000 96116 87 -15-17-18 000 71 26 11 -15.7 -17.6 29.04 10 18 10 250 000 98113 86 -15-17-17 000 72 26 12 -16.1 -17.9 29.04 11 18 23 264 000 100100 85 -15-16-17 000 73 26 13 -16.3 -18.3 29.05 13 21 17 257 000 98100 82 -16-16-17 000 74 26 14 -16.0 -18.2 29.05 13 21 15 256 000 96 98 79 -16-16-17 000 75 26 15 -15.9 -18.3 29.06 14 20 11 251 -001 94100 82 -16-16-17 000 76 26 16 -15.4 -17.9 29.06 13 17 5 245 -001 93101 85 -16-17-17 000 77 26 17 -15.1 -17.5 29.06 12 15 5 246 -001 93 99 84 -16-17-17 000 78 26 18 -14.9 -17.3 29.07 11 14 7 247 -001 93 97 89 -16-17-17 000 79 26 19 -14.5 -17.0 29.07 10 13 8 249 000 92 96 90 -16-17-16 000 80 26 20 -14.1 -16.6 29.07 9 12 10 251 000 92 96 87 -15-16-16 000 81 26 21 -13.7 -16.2 29.07 9 11 12 252 000 91 95 81 -15-16-16 000 82 26 22 -13.3 -15.9 29.08 8 10 12 252 000 91 94 79 -15-16-16 000 83 26 23 -13.0 -15.6 29.08 8 10 13 253 000 90 91 78 -14-15-16 000 84 27 00 -12.8 -15.4 29.09 7 10 19 260 000 89 87 78 -14-15-15 000 85 27 01 -12.9 -15.5 29.09 6 10 25 266 000 89 81 75 -14-15-15 000 86 27 02 -13.4 -15.7 29.09 5 10 36 276 000 92 89 68 -13-15-15 000 87 27 03 -14.3 -16.1 29.08 6 10 44 284 000 97 89 65 -13-15-15 000 88 27 04 -15.3 -16.9 29.08 7 11 43 284 000 100 87 63 -13-15-15 000 89 27 05 -16.4 -17.8 29.08 7 13 38 278 000 105 80 59 -14-15-15 000 90 27 06 -17.4 -18.2 29.08 8 13 35 275 000 113 84 66 -14-15-16 000 91 27 07 -18.3 -18.8 29.09 8 14 30 271 000 118 90 72 -14-15-16 000 92 27 08 -19.4 -19.8 29.10 8 15 25 265 000 120 92 77 -14-15-16 000 93 27 09 -20.1 -20.6 29.11 8 15 22 262 -001 121 90 73 -14-15-16 000 94 27 10 -20.7 -21.2 29.12 8 15 25 265 -001 122 93 71 -15-15-16 000 95 27 11 -20.9 -21.4 29.12 8 17 26 266 000 122 92 70 -15-15-16 000 96 27 12 -20.8 -21.2 29.13 13 16 16 257 -001 122 88 75 -15-16-16 000 97 27 13 -20.0 -20.4 29.13 13 16 21 261 -001 121 84 74 -16-16-16 000 98 27 14 -18.1 -18.7 29.13 11 17 18 258 000 116 99 73 -16-17-17 000 99 27 15 -16.6 -18.7 29.14 11 17 25 265 000 99 95 70 -17-16-18 000 100 27 16 -16.2 -18.4 29.15 12 17 21 262 000 96 88 72 -16-16-17 000 101 27 17 -15.1 -17.7 29.15 11 16 22 263 000 92 89 73 -16-16-17 000 102 27 18 -14.6 -17.3 29.16 11 16 25 265 000 90 86 77 -16-16-16 000 103 27 19 -13.9 -16.8 29.16 10 15 24 265 000 88 91 80 -15-16-16 000 104 27 20 -13.4 -16.3 29.16 10 14 25 265 000 87 88 86 -15-16-16 000 105 27 21 -13.0 -15.9 29.17 10 13 26 266 001 87 96 88 -14-15-16 000 106 27 22 -12.8 -15.5 29.17 10 14 24 265 001 88101 92 -14-15-16 000 107 27 23 -12.3 -15.4 29.18 9 15 20 261 000 85 98 86 -13-15-16 000 108 28 00 -12.2 -15.4 29.18 10 15 16 257 000 83 95 86 -13-15-16 000 109 28 01 -12.5 -15.3 29.18 9 15 21 262 000 86 96 87 -13-15-16 000 110 28 02 -13.0 -15.7 29.18 8 15 26 267 001 88 95 87 -13-15-16 000 111 28 03 -13.8 -16.2 29.17 8 16 31 272 001 92 93 85 -13-15-16 000 112 28 04 -14.7 -16.8 29.17 8 17 37 277 001 96 77 83 -13-14-15 000 113 28 05 -15.6 -17.3 29.17 9 18 35 275 000 101 84 84 -14-15-16 000 114 28 06 -16.5 -17.7 29.18 10 20 28 268 000 107 79 87 -14-15-16 000 115 28 07 -17.1 -18.2 29.18 10 22 23 263 000 110 83 90 -14-15-16 000 116 28 08 -17.7 -18.6 29.19 11 22 20 260 000 112 73 92 -14-15-16 000 117 28 09 -18.2 -19.0 29.19 11 22 17 258 000 114 70 95 -15-15-15 000 118 28 10 -18.6 -19.3 29.20 11 22 15 255 000 117 76 96 -15-15-16 000 119 28 11 -19.2 -19.6 29.20 11 22 14 255 000 120 75 96 -14-15-16 000 120 28 12 -19.5 -20.0 29.21 12 21 15 255 000 119 80 94 -15-15-16 000 * 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.