Byrd Surface Camp (NBY) site lat/lon = (-80.0182,-119.5864) cell lat/lon = (-80.0315,-119.6607) Forecast initialized at 2025-12-23/00 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 00 -17.9 -23.0 28.81 4 4 344 224 000 76 87100 -19-20-22 000 1 23 01 -18.1 -22.3 28.81 5 6 7 248 001 79 87 98 -19-20-22 000 2 23 02 -18.4 -22.1 28.82 7 9 13 253 001 83 87 97 -19-20-22 000 3 23 03 -19.3 -22.5 28.80 8 11 10 250 001 88 87 93 -20-21-22 000 4 23 04 -20.3 -23.4 28.81 8 12 14 254 000 91 85 88 -20-21-22 000 5 23 05 -21.5 -24.1 28.82 7 12 16 256 000 96 83 84 -20-21-22 000 6 23 06 -22.7 -24.9 28.83 7 11 20 261 000 103 80 81 -20-21-22 000 7 23 07 -23.8 -25.6 28.83 7 11 24 265 000 110 77 79 -20-21-22 000 8 23 08 -24.8 -26.2 28.82 7 11 27 268 000 116 73 73 -20-21-22 000 9 23 09 -25.5 -26.7 28.81 7 11 33 274 000 119 67 65 -20-21-22 000 10 23 10 -25.9 -27.3 28.83 7 12 40 281 000 118 59 56 -20-21-21 000 11 23 11 -25.9 -27.3 28.80 7 13 43 283 000 116 67 85 -20-20-21 000 12 23 12 -25.0 -26.6 28.82 6 14 45 285 -001 114 83113 -19-19-20 000 13 23 13 -23.0 -25.3 28.80 9 15 29 270 000 102100109 -18-18-19 000 14 23 14 -20.3 -22.9 28.81 11 17 23 263 000 96 97 92 -17-18-19 001 15 23 15 -17.3 -19.9 28.82 14 21 22 263 004 93101 95 -18-18-19 002 16 23 16 -16.3 -19.2 28.83 15 22 27 267 003 89 98 99 -17-18-19 002 17 23 17 -16.0 -19.4 28.83 16 24 31 272 001 84 96 95 -17-18-19 000 18 23 18 -15.6 -19.2 28.84 17 25 30 270 001 82 95 94 -17-18-19 000 19 23 19 -15.0 -18.8 28.85 17 26 29 269 002 81 93 91 -16-18-19 000 20 23 20 -14.6 -18.4 28.85 18 26 30 271 004 81 93 93 -16-17-19 000 21 23 21 -14.2 -17.9 28.86 18 26 29 269 004 80 91 94 -15-17-18 000 22 23 22 -14.0 -17.8 28.86 19 26 28 268 004 79 90 95 -15-16-18 000 23 23 23 -13.8 -17.6 28.86 18 27 28 268 004 79 90 97 -15-16-18 000 24 24 00 -13.7 -17.5 28.86 18 27 29 269 005 79 90 99 -15-16-18 000 25 24 01 -13.6 -17.4 28.87 18 27 31 271 006 80 90105 -14-16-17 000 26 24 02 -13.8 -17.5 28.89 17 27 35 275 006 81 88104 -14-16-17 000 27 24 03 -14.3 -17.8 28.90 17 28 38 278 006 82 87 94 -15-16-17 000 28 24 04 -14.8 -18.2 28.91 16 29 41 281 004 84 86 87 -15-16-17 000 29 24 05 -15.5 -18.8 28.91 16 30 41 281 003 85 84 85 -15-16-17 000 30 24 06 -16.2 -19.3 28.92 15 29 38 279 003 87 82 85 -15-16-17 000 31 24 07 -17.2 -19.5 28.93 13 27 38 279 003 97 81 88 -16-16-17 000 32 24 08 -17.8 -19.4 28.93 13 28 38 278 003 104 78 85 -16-16-17 000 33 24 09 -18.1 -19.4 28.94 12 26 39 280 002 109 84 81 -16-16-17 000 34 24 10 -18.2 -19.5 28.94 12 25 41 281 001 109 83 78 -16-16-17 000 35 24 11 -18.1 -19.9 28.95 13 25 41 282 001 103 83 76 -16-17-17 000 36 24 12 -18.0 -20.2 28.96 13 25 40 281 000 98 81 76 -16-17-17 000 37 24 13 -17.9 -20.4 28.96 14 25 41 281 000 95 78 75 -17-17-17 000 38 24 14 -17.6 -20.4 28.97 14 24 42 282 001 92 79 78 -17-17-17 000 39 24 15 -17.1 -20.0 28.97 14 24 42 282 001 90 81 78 -18-17-17 000 40 24 16 -16.5 -19.7 28.97 15 24 40 280 000 88 81 79 -17-17-17 000 41 24 17 -16.0 -19.3 28.97 14 23 39 280 000 86 80 78 -17-17-17 000 42 24 18 -15.5 -18.9 28.98 14 22 41 281 000 85 84 79 -17-17-17 000 43 24 19 -15.1 -18.5 28.98 14 21 42 282 000 84 87 78 -16-17-17 000 44 24 20 -14.7 -18.1 28.97 13 20 41 281 000 83 93 78 -16-17-17 000 45 24 21 -14.3 -17.9 28.97 13 20 40 280 000 82 94 79 -15-17-18 000 46 24 22 -14.1 -17.7 28.97 13 19 38 278 000 81 94 79 -15-17-18 000 47 24 23 -14.0 -17.5 28.97 13 19 36 276 000 81 93 82 -15-16-18 000 48 25 00 -13.9 -17.4 28.98 12 18 35 275 000 82 92 83 -15-16-18 000 49 25 01 -14.0 -17.5 28.98 11 18 34 275 000 82 91 84 -15-16-17 000 50 25 02 -14.3 -17.5 28.98 9 18 38 279 000 85 89 84 -15-16-17 000 51 25 03 -15.0 -18.0 28.98 8 18 44 284 001 87 88 84 -14-16-17 000 52 25 04 -15.9 -18.6 28.98 8 17 48 288 001 91 87 83 -14-16-17 000 53 25 05 -16.8 -19.0 28.99 8 16 49 290 000 97 86 83 -14-16-17 000 54 25 06 -17.5 -19.2 28.99 9 17 45 285 000 103 83 89 -14-16-17 000 55 25 07 -18.1 -19.3 28.99 9 18 40 280 000 109 87 92 -14-16-17 000 56 25 08 -18.8 -19.5 28.99 9 14 42 283 000 116 89 91 -14-16-17 000 57 25 09 -20.1 -20.6 29.00 8 17 42 283 000 121 87 93 -14-16-17 000 58 25 10 -20.4 -20.8 29.00 9 20 35 275 -003 121 90 90 -14-15-17 000 59 25 11 -19.5 -19.9 29.01 11 20 31 272 000 120 86 91 -14-16-17 000 60 25 12 -19.1 -19.7 29.02 12 22 28 269 000 117 89 90 -14-16-17 000 61 25 13 -18.7 -19.7 29.02 13 21 27 267 000 112 92 86 -15-16-17 000 62 25 14 -17.9 -19.3 29.03 13 21 26 267 000 106 89 85 -15-16-17 000 63 25 15 -17.0 -19.0 29.03 13 20 25 265 001 99 92 90 -16-16-17 000 64 25 16 -16.4 -18.8 29.03 13 19 24 264 001 94 88 93 -17-16-17 000 65 25 17 -15.6 -18.3 29.03 12 18 25 265 000 91 90 98 -17-16-17 000 66 25 18 -14.8 -17.7 29.03 12 19 23 263 000 89 95 97 -16-17-16 000 67 25 19 -14.0 -17.0 29.03 13 20 19 259 001 87101 95 -15-16-17 000 68 25 20 -13.6 -16.6 29.03 14 21 16 257 002 86 99 94 -15-16-16 000 69 25 21 -13.4 -16.5 29.03 14 21 14 254 002 85 98 92 -14-16-16 000 70 25 22 -13.1 -16.2 29.04 14 21 12 252 001 85 98 93 -14-16-16 000 71 25 23 -12.9 -16.0 29.04 14 21 10 250 002 85 98 96 -14-15-16 000 72 26 00 -12.8 -15.8 29.04 14 21 8 249 002 85 99 95 -14-15-16 000 73 26 01 -12.7 -15.7 29.04 13 20 7 248 002 86 99 90 -13-15-16 000 74 26 02 -13.0 -15.7 29.04 12 20 10 250 001 88 99 86 -13-15-16 000 75 26 03 -13.5 -16.0 29.04 10 20 13 253 000 90 98 85 -13-15-16 000 76 26 04 -14.3 -16.3 29.03 10 19 18 258 000 95 98 85 -13-14-16 000 77 26 05 -15.1 -16.7 29.04 10 19 20 260 000 101 99 84 -13-15-16 000 78 26 06 -15.9 -16.9 29.04 11 19 20 261 000 108 98 84 -13-15-15 000 79 26 07 -16.5 -17.1 29.04 11 19 19 260 000 115 98 86 -14-15-15 000 80 26 08 -17.4 -17.8 29.04 11 20 18 258 000 118 95 87 -14-15-15 000 81 26 09 -18.3 -18.7 29.04 11 20 17 257 000 119 93 87 -14-15-15 000 82 26 10 -19.0 -19.4 29.04 10 19 18 258 000 120 86 82 -15-15-15 000 83 26 11 -19.5 -19.9 29.04 10 18 19 260 000 120 76 77 -15-15-15 000 84 26 12 -19.1 -19.5 29.04 11 16 15 256 000 120 74 75 -15-15-15 000 85 26 13 -18.9 -19.3 29.03 10 15 17 257 000 120 76 75 -14-15-15 000 86 26 14 -18.3 -18.9 29.03 9 13 17 257 000 116 75 71 -14-15-15 000 87 26 15 -17.5 -19.1 29.03 9 11 23 263 000 104 74 62 -14-15-16 000 88 26 16 -16.7 -18.8 29.02 9 11 25 265 000 98 73 59 -15-15-16 000 89 26 17 -15.8 -18.0 29.02 8 11 26 266 -001 96 70 64 -15-15-16 000 90 26 18 -15.2 -17.4 29.01 8 10 30 270 000 95 75 59 -15-15-16 000 91 26 19 -14.6 -17.0 29.01 8 11 30 271 000 93 71 58 -15-15-16 000 92 26 20 -14.0 -16.6 29.00 8 11 29 269 000 90 70 58 -15-15-16 000 93 26 21 -13.5 -16.2 29.00 8 11 30 270 000 90 72 59 -15-15-16 000 94 26 22 -13.3 -16.2 29.00 8 11 30 270 000 87 65 58 -14-15-16 000 95 26 23 -13.1 -16.2 29.00 8 11 28 269 000 85 73 68 -14-15-15 000 96 27 00 -12.9 -16.0 29.00 8 12 28 269 000 85 76 84 -14-15-15 000 97 27 01 -12.9 -15.9 28.99 8 12 31 271 000 86 75 82 -14-15-15 000 98 27 02 -13.3 -16.1 28.99 8 13 36 276 000 88 76 82 -13-14-15 000 99 27 03 -14.1 -16.7 28.98 7 13 42 283 000 89 77 77 -13-14-15 000 100 27 04 -15.0 -17.4 28.98 7 14 46 286 000 93 65 79 -13-14-15 000 101 27 05 -16.1 -17.8 28.98 7 12 49 289 000 102 72 78 -13-14-15 000 102 27 06 -16.8 -17.9 28.98 9 18 46 287 001 108 85 76 -13-14-15 000 103 27 07 -17.0 -18.2 28.98 11 19 35 276 001 107 82 83 -14-15-15 000 104 27 08 -17.5 -18.4 28.98 11 21 33 273 002 112 90 75 -14-16-16 000 105 27 09 -18.1 -18.5 28.99 10 17 28 269 001 118 95 73 -15-16-17 000 106 27 10 -18.6 -19.1 28.99 11 22 34 275 000 119 90 76 -15-17-17 000 107 27 11 -18.5 -19.3 29.00 11 22 38 278 000 114 90 69 -15-17-17 000 108 27 12 -18.0 -19.2 29.01 11 23 38 279 001 110 87 66 -15-16-17 000 109 27 13 -17.0 -18.9 29.01 12 25 33 274 001 101 87 69 -16-16-17 000 110 27 14 -16.0 -18.8 29.02 13 24 33 273 000 89 80 92 -16-16-17 000 111 27 15 -15.4 -18.2 29.02 14 25 32 273 000 89 88 87 -16-15-16 000 112 27 16 -14.6 -17.3 29.03 16 25 31 271 000 90 85 93 -15-15-16 000 113 27 17 -14.0 -17.0 29.04 17 25 34 274 001 87 87103 -15-15-16 000 114 27 18 -13.4 -16.7 29.05 17 26 30 271 001 84 92 88 -14-15-16 000 115 27 19 -12.8 -16.1 29.06 17 25 28 268 001 83 96 82 -14-15-16 000 116 27 20 -12.5 -15.8 29.07 16 23 27 268 001 83 96 91 -14-15-16 000 117 27 21 -12.6 -15.7 29.08 16 22 28 268 001 85 99 88 -14-15-16 000 118 27 22 -12.4 -15.5 29.10 15 21 27 267 001 84 98 85 -13-15-16 000 119 27 23 -12.2 -15.5 29.11 14 20 25 265 001 83 95 83 -13-15-16 000 120 28 00 -12.2 -15.5 29.12 12 18 23 263 001 82 94 85 -13-15-16 000 * 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.