Byrd Surface Camp (NBY) site lat/lon = (-80.0182,-119.5864) cell lat/lon = (-80.0315,-119.6607) Forecast initialized at 2025-12-22/00 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 22 00 -19.1 -23.1 28.88 5 6 240 120 001 88 93100 -20-22-23 000 1 22 01 -19.3 -22.4 28.88 6 8 238 118 000 91 97100 -20-22-23 000 2 22 02 -19.5 -22.2 28.87 5 8 231 111 000 94105103 -20-22-23 000 3 22 03 -20.0 -22.3 28.88 5 9 234 115 000 99116102 -21-22-23 000 4 22 04 -21.0 -22.9 28.89 5 10 232 113 000 106119102 -21-22-24 000 5 22 05 -22.0 -23.4 28.88 5 11 235 116 000 114124106 -21-23-24 000 6 22 06 -22.9 -24.0 28.90 5 10 237 117 000 119122118 -22-23-24 001 7 22 07 -23.9 -24.6 28.89 4 8 248 128 000 125124122 -22-23-24 000 8 22 08 -24.5 -25.4 28.88 4 7 274 154 000 124113119 -22-23-24 002 9 22 09 -24.5 -25.8 28.86 4 7 292 172 000 116111111 -22-23-24 003 10 22 10 -25.0 -26.3 28.88 5 6 316 197 000 119109108 -22-23-24 001 11 22 11 -25.2 -26.6 28.88 5 6 333 214 000 119107105 -22-23-24 000 12 22 12 -25.1 -26.4 28.87 5 5 341 222 000 117107105 -22-23-24 000 13 22 13 -24.5 -26.1 28.86 5 7 350 230 000 112106103 -22-23-24 000 14 22 14 -23.7 -25.5 28.86 5 9 352 232 000 108106 96 -22-23-23 000 15 22 15 -22.7 -24.7 28.86 6 10 337 217 000 105108 90 -22-22-23 000 16 22 16 -21.9 -24.0 28.85 8 11 334 215 000 103 98 86 -22-22-23 000 17 22 17 -21.4 -23.4 28.84 8 10 334 214 000 103 96 83 -22-22-23 000 18 22 18 -20.9 -23.0 28.83 8 9 337 217 000 102 93 81 -22-22-23 000 19 22 19 -20.4 -22.7 28.83 7 8 341 221 000 100 97 82 -22-22-23 000 20 22 20 -19.9 -22.3 28.83 7 8 343 223 000 98100 86 -21-22-23 000 21 22 21 -19.5 -22.1 28.83 7 8 343 223 000 96113 91 -21-22-23 000 22 22 22 -19.2 -21.9 28.82 7 8 343 223 000 94114 93 -20-22-23 000 23 22 23 -19.0 -21.9 28.82 6 7 345 226 000 92114 94 -20-22-23 000 24 23 00 -18.9 -21.9 28.81 6 7 348 228 000 91113 94 -20-22-23 000 25 23 01 -19.0 -21.9 28.81 6 7 352 232 001 92111 93 -20-22-22 000 26 23 02 -19.2 -22.0 28.82 5 7 2 243 001 93111 90 -20-21-22 000 27 23 03 -19.9 -22.5 28.82 5 8 14 255 000 96105 87 -20-21-22 000 28 23 04 -20.9 -23.2 28.82 6 9 21 262 000 100 93 84 -20-21-22 000 29 23 05 -21.9 -23.5 28.81 7 10 25 265 000 111 83 77 -20-21-22 000 30 23 06 -23.1 -23.8 28.81 7 10 27 267 000 124 77 71 -20-21-22 000 31 23 07 -24.2 -24.8 28.82 7 10 29 269 000 126 71 67 -20-21-21 000 32 23 08 -25.0 -25.7 28.82 7 9 29 270 000 127 65 77 -20-21-21 000 33 23 09 -25.7 -26.4 28.81 6 8 35 276 000 128 64102 -20-20-20 000 34 23 10 -24.8 -25.9 28.81 6 8 44 284 000 121 95 97 -20-20-20 000 35 23 11 -24.1 -25.8 28.81 5 9 53 293 000 112 98 96 -19-19-19 000 36 23 12 -22.9 -24.7 28.81 5 11 58 298 000 108 97 97 -17-18-19 000 37 23 13 -20.6 -22.5 28.81 7 17 42 282 001 104 99 98 -16-17-18 001 38 23 14 -17.0 -19.4 28.82 12 24 33 273 004 95 90101 -16-17-18 001 39 23 15 -16.1 -19.0 28.83 14 24 32 273 002 89 93 97 -17-18-18 000 40 23 16 -15.4 -18.5 28.84 16 23 32 273 001 86 97 96 -16-18-18 001 41 23 17 -15.0 -18.4 28.84 16 23 33 273 001 84 98 96 -16-18-18 001 42 23 18 -14.4 -17.8 28.85 16 25 34 274 003 83 97 94 -16-17-18 001 43 23 19 -13.8 -17.3 28.85 18 26 35 275 004 82 95 95 -15-16-18 001 44 23 20 -13.4 -17.1 28.86 19 27 34 274 003 80 92 95 -15-16-18 001 45 23 21 -13.2 -16.9 28.86 20 27 33 273 004 79 91 94 -14-16-17 000 46 23 22 -13.0 -16.9 28.87 19 27 32 272 004 78 88 93 -14-15-17 000 47 23 23 -13.0 -16.8 28.88 19 28 33 273 004 79 88 93 -14-15-17 000 48 24 00 -13.1 -16.9 28.89 19 28 32 272 004 79 89 92 -14-15-17 000 49 24 01 -13.1 -16.8 28.90 17 27 32 272 004 80 88 91 -14-15-17 000 50 24 02 -13.4 -16.9 28.90 15 26 35 275 004 82 85 88 -14-15-16 000 51 24 03 -13.9 -17.3 28.91 13 25 42 282 006 83 78 84 -13-15-16 000 52 24 04 -14.6 -17.3 28.91 11 20 51 291 002 89 90 88 -13-14-15 000 53 24 05 -14.3 -16.4 28.91 12 26 50 290 004 95 94 91 -13-14-15 001 54 24 06 -14.6 -16.2 28.92 12 26 42 282 002 100 91 93 -13-14-16 000 55 24 07 -14.9 -17.0 28.93 15 26 37 277 006 95 95 94 -14-15-16 000 56 24 08 -15.7 -18.2 28.94 16 29 39 279 002 93 86 84 -15-16-17 000 57 24 09 -16.5 -19.0 28.95 15 30 39 279 002 93 82 86 -15-16-17 000 58 24 10 -16.6 -19.0 28.96 14 29 41 282 002 94 86 87 -16-16-17 000 59 24 11 -16.9 -19.4 28.96 15 29 41 281 001 94 86 84 -16-17-17 000 60 24 12 -17.0 -19.5 28.97 15 29 41 282 000 93 88 82 -16-17-17 000 61 24 13 -17.0 -19.8 28.97 15 28 41 281 000 91 86 83 -17-17-17 000 62 24 14 -16.7 -19.8 28.97 16 28 40 280 000 88 86 83 -17-17-17 000 63 24 15 -16.4 -19.6 28.98 16 26 39 279 000 86 87 82 -17-17-17 000 64 24 16 -15.8 -19.2 28.98 16 25 37 277 000 85 88 82 -17-17-17 000 65 24 17 -15.4 -18.7 28.98 16 24 36 276 001 85 87 79 -16-17-17 000 66 24 18 -14.9 -18.2 28.98 16 24 36 276 000 84 89 78 -16-17-17 000 67 24 19 -14.4 -17.8 28.98 16 23 36 277 000 83 93 74 -15-17-17 000 68 24 20 -14.0 -17.5 28.99 15 23 37 277 000 82 94 73 -15-17-17 000 69 24 21 -13.7 -17.3 28.99 15 21 37 278 000 81 94 77 -15-16-17 000 70 24 22 -13.5 -17.1 28.99 14 20 36 276 000 81 94 81 -15-16-17 000 71 24 23 -13.3 -16.8 28.99 13 20 36 276 000 81 93 82 -14-16-17 000 72 25 00 -13.2 -16.7 28.99 13 19 36 276 000 81 92 80 -14-15-17 000 73 25 01 -13.2 -16.6 28.99 11 19 35 276 000 82 88 78 -14-15-17 000 74 25 02 -13.5 -16.6 28.99 8 18 41 281 000 85 85 81 -13-15-16 000 75 25 03 -14.0 -16.7 28.98 7 16 54 294 001 88 84 94 -13-14-16 000 76 25 04 -14.6 -17.0 28.98 8 16 58 299 002 91 89 97 -13-14-15 000 77 25 05 -15.1 -16.9 28.98 9 17 52 292 001 99 88 91 -13-14-16 000 78 25 06 -15.9 -17.3 28.98 9 18 42 282 000 105 80 92 -13-14-16 000 79 25 07 -16.8 -18.1 28.99 10 20 38 278 001 106 88 96 -13-14-16 000 80 25 08 -17.4 -18.2 29.00 10 21 30 270 001 112 90 96 -14-15-16 000 81 25 09 -17.5 -18.1 29.00 10 22 31 271 002 115 85 96 -14-15-16 000 82 25 10 -17.3 -18.2 29.01 11 21 30 271 001 112 93 95 -14-15-17 000 83 25 11 -17.7 -18.6 29.02 11 20 34 274 000 112 91 95 -15-16-17 000 84 25 12 -17.6 -18.7 29.03 11 22 31 272 000 109 86 93 -16-16-17 000 85 25 13 -17.2 -18.7 29.03 12 23 28 268 001 105 86 92 -16-16-17 000 86 25 14 -16.7 -18.6 29.03 13 22 26 266 001 100 84 92 -16-16-16 000 87 25 15 -16.2 -18.6 29.03 13 21 27 267 000 94 84 93 -16-16-16 000 88 25 16 -15.5 -18.3 29.03 13 21 27 267 000 89 82 91 -16-16-16 000 89 25 17 -14.8 -17.8 29.04 13 21 26 267 001 87 84 89 -16-16-16 000 90 25 18 -14.2 -17.4 29.04 13 21 25 266 001 85 91 86 -15-16-16 000 91 25 19 -13.4 -16.7 29.04 13 21 23 263 001 83 95 90 -14-16-16 000 92 25 20 -12.7 -16.0 29.04 14 21 22 262 001 83 97 89 -14-15-16 000 93 25 21 -12.3 -15.7 29.04 14 21 20 261 000 82 95 87 -13-15-16 000 94 25 22 -12.0 -15.4 29.05 14 21 19 259 001 81 94 91 -13-15-16 000 95 25 23 -11.9 -15.3 29.05 13 20 19 259 000 81 93 86 -13-14-16 000 96 26 00 -11.9 -15.3 29.05 13 20 17 258 000 81 93 91 -13-14-16 000 97 26 01 -11.9 -15.1 29.04 11 19 18 259 001 83 92 93 -13-14-15 000 98 26 02 -12.2 -15.0 29.04 9 18 23 263 001 86 93 90 -13-14-15 000 99 26 03 -12.9 -15.5 29.04 9 18 30 270 001 89 94 88 -13-14-16 000 100 26 04 -13.7 -16.4 29.05 11 20 31 271 000 88 90 87 -13-14-15 000 101 26 05 -14.8 -17.0 29.05 9 18 36 276 000 95 88 87 -13-14-15 000 102 26 06 -15.5 -17.2 29.05 10 18 38 279 000 100 86 85 -13-14-16 000 103 26 07 -16.1 -17.4 29.05 10 19 36 277 000 106 87 82 -13-14-16 000 104 26 08 -16.7 -17.7 29.05 10 20 31 272 000 110 85 83 -13-15-15 000 105 26 09 -16.9 -17.8 29.06 11 21 29 269 003 111 84 83 -14-15-15 000 106 26 10 -16.9 -17.7 29.06 12 22 29 269 004 112 80 83 -14-15-15 000 107 26 11 -17.2 -17.9 29.07 12 23 27 268 002 113 78 86 -14-15-15 000 108 26 12 -17.2 -18.0 29.07 12 22 30 270 000 113 77 84 -14-14-15 000 109 26 13 -17.1 -18.1 29.07 13 22 27 267 000 109 80 85 -14-15-16 000 110 26 14 -16.4 -18.1 29.07 13 21 27 267 001 101 84 92 -14-15-16 000 111 26 15 -15.7 -17.9 29.07 14 22 28 268 002 95 83 91 -15-15-16 000 112 26 16 -15.0 -17.4 29.07 14 22 28 268 003 92 85 93 -15-15-16 000 113 26 17 -14.2 -16.9 29.07 14 22 27 267 004 90 86 93 -15-15-15 000 114 26 18 -13.6 -16.4 29.07 14 20 25 266 003 88 85 91 -15-15-15 000 115 26 19 -13.1 -16.1 29.08 13 19 26 266 002 86 85 89 -14-15-15 000 116 26 20 -12.8 -15.9 29.08 13 17 27 267 002 85 90 87 -14-15-16 000 117 26 21 -12.7 -16.0 29.08 13 17 27 267 001 83 95 83 -14-15-16 000 118 26 22 -12.6 -16.0 29.09 13 17 26 267 001 82 94 81 -14-15-16 000 119 26 23 -12.4 -15.8 29.08 12 17 27 267 001 81 93 83 -13-15-16 000 120 27 00 -12.3 -15.6 29.08 11 16 27 267 001 82 93 86 -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.