Byrd Surface Camp (NBY) site lat/lon = (-80.0182,-119.5864) cell lat/lon = (-80.0315,-119.6607) Forecast initialized at 2025-12-18/00 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 18 00 -19.1 -23.2 28.81 9 12 46 286 -001 81 73 59 -20-20-21 000 1 18 01 -19.1 -22.8 28.78 10 15 46 287 001 84 65 54 -19-20-20 000 2 18 02 -19.3 -22.9 28.76 11 17 48 288 001 85 61 52 -19-20-20 000 3 18 03 -19.8 -23.4 28.74 11 19 48 288 000 85 56 48 -19-20-20 000 4 18 04 -20.5 -24.1 28.71 12 21 44 284 000 85 55 46 -19-19-20 000 5 18 05 -21.2 -25.0 28.69 12 22 41 282 001 85 53 44 -19-19-19 000 6 18 06 -22.0 -25.6 28.67 13 23 40 281 000 86 51 41 -19-19-19 000 7 18 07 -22.6 -26.1 28.65 13 23 38 278 000 89 50 41 -19-19-19 000 8 18 08 -23.1 -26.4 28.62 13 24 38 278 000 91 48 41 -19-19-19 000 9 18 09 -23.4 -26.7 28.61 14 25 37 278 001 91 48 41 -18-18-19 000 10 18 10 -23.4 -27.0 28.60 15 27 35 275 000 89 53 40 -18-18-19 000 11 18 11 -23.2 -27.1 28.57 15 27 32 272 000 85 68 40 -18-18-18 000 12 18 12 -22.7 -26.8 28.55 16 29 29 269 000 82 73 44 -19-18-18 000 13 18 13 -22.0 -26.1 28.55 17 27 25 266 000 82 78 45 -19-17-17 000 14 18 14 -21.2 -25.1 28.54 16 24 24 265 -001 84 88 44 -19-17-17 000 15 18 15 -20.3 -23.8 28.52 16 22 24 264 -001 87 92 40 -19-16-16 000 16 18 16 -19.1 -22.2 28.51 15 19 21 261 -001 90100 35 -18-16-16 000 17 18 17 -17.8 -20.6 28.50 13 16 19 259 000 92 65 34 -17-16-16 000 18 18 18 -16.1 -18.6 28.49 11 14 14 254 000 93 69 35 -16-16-16 000 19 18 19 -13.8 -16.1 28.48 9 12 5 245 000 94 92 34 -15-15-16 000 20 18 20 -12.3 -15.0 28.48 7 10 347 228 000 87100 89 -13-15-16 000 21 18 21 -11.4 -14.3 28.47 7 9 351 231 000 86100101 -13-14-16 006 22 18 22 -10.9 -13.8 28.46 6 10 354 234 -002 86101105 -12-14-15 006 23 18 23 -10.2 -12.9 28.45 8 10 306 186 -003 87 99103 -11-13-14 013 24 19 00 -10.1 -12.5 28.45 7 13 301 181 -001 90103108 -11-13-14 007 25 19 01 -9.7 -12.1 28.46 9 14 284 164 000 88100 97 -11-12-14 016 26 19 02 -10.1 -12.3 28.46 5 10 276 156 -003 91 98110 -11-12-14 006 27 19 03 -9.8 -11.5 28.46 3 8 281 162 -004 96106110 -11-12-13 027 28 19 04 -9.8 -11.6 28.47 9 12 299 179 -001 94104102 -11-12-13 021 29 19 05 -10.1 -11.9 28.48 7 10 325 205 -003 95 98107 -11-12-13 008 30 19 06 -10.1 -11.8 28.48 9 15 352 232 -001 95 99101 -11-12-13 014 31 19 07 -9.8 -11.4 28.49 11 16 342 222 001 96 96 97 -10-11-12 013 32 19 08 -9.7 -11.2 28.50 11 16 312 193 -002 97106103 -10-11-12 009 33 19 09 -9.8 -11.3 28.50 9 15 316 196 001 97 97 96 -10-11-12 010 34 19 10 -9.6 -11.1 28.50 10 16 328 209 -002 97102101 -10-11-12 011 35 19 11 -9.4 -11.1 28.52 12 17 334 214 -008 95100108 -10-11-12 023 36 19 12 -10.0 -11.7 28.53 14 18 351 231 000 95105105 -11-12-13 040 37 19 13 -9.1 -10.9 28.54 8 11 282 162 -011 93 99106 -10-11-13 054 38 19 14 -9.4 -11.4 28.56 6 10 307 187 -005 92104102 -10-12-13 012 39 19 15 -9.1 -11.3 28.57 7 9 307 187 -002 90104103 -10-12-13 014 40 19 16 -9.0 -11.4 28.57 7 9 309 189 -007 88103100 -10-12-13 007 41 19 17 -8.7 -10.9 28.58 7 8 330 210 -012 90103105 -10-11-13 017 42 19 18 -9.9 -11.8 28.59 15 16 359 240 000 93103109 -11-12-13 058 43 19 19 -10.0 -12.1 28.60 15 17 5 245 -002 92 98102 -11-12-13 031 44 19 20 -9.4 -11.5 28.60 13 15 3 243 -007 91102106 -11-12-13 019 45 19 21 -8.8 -10.3 28.60 8 10 342 222 -036 96103107 -10-11-12 090 46 19 22 -9.0 -11.3 28.60 5 11 276 157 001 89103104 -10-12-13 091 47 19 23 -11.0 -12.8 28.64 15 19 239 119 010 95103 91 -12-13-14 054 48 20 00 -12.1 -14.3 28.66 13 14 250 131 -001 92112 76 -13-15-16 003 49 20 01 -13.2 -15.4 28.67 10 11 251 131 002 94115 83 -15-16-17 004 50 20 02 -14.2 -16.4 28.69 9 10 258 139 000 94115109 -15-17-18 003 51 20 03 -14.9 -17.4 28.71 7 9 264 145 000 92115115 -16-18-19 001 52 20 04 -15.2 -18.0 28.72 6 7 265 145 000 90104103 -16-18-19 009 53 20 05 -16.3 -18.5 28.73 5 7 256 136 000 96105102 -17-18-19 003 54 20 06 -17.8 -19.6 28.74 4 7 260 140 -001 103105103 -17-19-20 001 55 20 07 -18.8 -19.7 28.75 3 5 292 172 000 112100104 -18-19-20 000 56 20 08 -20.1 -20.6 28.76 4 6 310 190 000 120 97101 -18-19-20 000 57 20 09 -21.5 -22.2 28.77 4 6 331 211 000 122101103 -18-19-20 000 58 20 10 -22.5 -23.0 28.79 4 6 344 224 000 124113 90 -18-19-20 000 59 20 11 -22.4 -22.7 28.80 5 7 352 232 000 124121 37 -18-20-20 000 60 20 12 -22.3 -22.7 28.81 5 7 354 234 000 124111 44 -18-19-20 000 61 20 13 -21.5 -22.0 28.82 5 9 348 228 000 122107 69 -18-19-20 000 62 20 14 -20.6 -21.6 28.84 5 9 344 225 000 114117 74 -18-19-20 000 63 20 15 -18.7 -20.4 28.85 7 10 319 199 000 104117 98 -19-20-19 000 64 20 16 -17.8 -19.4 28.87 8 10 312 192 000 104 92110 -19-19-19 000 65 20 17 -17.5 -19.0 28.89 9 10 302 182 -001 104 93 93 -19-19-19 000 66 20 18 -16.9 -18.6 28.90 9 10 292 172 -001 102108 64 -18-19-20 000 67 20 19 -17.8 -19.2 28.93 9 11 278 158 -001 106 94 67 -19-19-20 000 68 20 20 -17.3 -18.0 28.95 9 11 275 155 000 112122 76 -19-20-20 000 69 20 21 -16.9 -18.0 28.96 10 11 268 149 000 108121 57 -18-20-21 000 70 20 22 -16.6 -18.0 28.98 10 12 267 147 000 104121 62 -18-20-21 001 71 20 23 -16.3 -18.0 28.99 11 12 262 143 -001 101121 73 -18-19-21 001 72 21 00 -16.5 -18.3 29.00 11 12 256 136 -001 100121 79 -18-19-21 002 73 21 01 -16.4 -18.7 29.01 11 13 252 132 -001 96119 96 -18-19-21 003 74 21 02 -16.1 -18.6 29.01 13 14 243 123 000 92112126 -17-19-20 006 75 21 03 -16.1 -19.0 29.01 12 14 247 127 -001 89104127 -17-19-20 005 76 21 04 -16.2 -19.1 29.02 12 15 244 124 -001 89103127 -17-19-20 005 77 21 05 -16.2 -18.8 29.02 11 15 237 118 000 93104127 -17-19-20 008 78 21 06 -16.5 -19.1 29.02 11 15 238 118 000 93104127 -18-19-20 006 79 21 07 -17.2 -19.7 29.03 9 14 241 122 000 94104117 -18-19-21 004 80 21 08 -17.2 -19.5 29.03 8 11 219 100 000 97116104 -18-20-21 003 81 21 09 -17.2 -19.4 29.03 7 10 241 121 001 97115 99 -18-20-21 003 82 21 10 -19.0 -20.5 29.02 5 10 263 143 000 108114106 -19-20-21 002 83 21 11 -19.6 -20.9 29.02 5 9 281 161 000 112104107 -19-20-20 003 84 21 12 -19.7 -20.7 29.02 5 10 296 177 000 114103108 -19-19-20 001 85 21 13 -19.8 -20.5 29.01 5 10 298 178 000 117 97108 -19-19-20 001 86 21 14 -19.2 -20.3 29.00 7 10 292 172 000 111 96105 -19-19-20 001 87 21 15 -18.5 -20.1 28.99 7 9 294 174 000 105 96101 -19-19-20 001 88 21 16 -18.2 -19.9 28.98 6 9 299 179 000 104 96 99 -19-19-20 001 89 21 17 -17.9 -19.7 28.97 6 8 302 182 000 102 93 99 -19-19-20 000 90 21 18 -17.6 -19.5 28.96 6 7 307 187 000 101 88 97 -19-19-20 000 91 21 19 -17.1 -19.4 28.96 5 7 310 191 000 97 86 97 -18-19-20 000 92 21 20 -16.8 -19.2 28.95 5 6 312 192 000 94 83 96 -18-19-20 000 93 21 21 -16.4 -19.3 28.94 5 6 311 191 000 90 81 94 -18-18-19 000 94 21 22 -16.2 -19.1 28.93 4 5 309 189 000 90 80 94 -17-18-19 000 95 21 23 -16.1 -19.0 28.92 4 4 305 185 000 90 80 96 -17-18-19 000 96 22 00 -16.1 -19.0 28.91 3 4 303 183 000 90 78 97 -17-18-19 000 97 22 01 -16.1 -18.9 28.91 2 3 306 186 000 90 76 99 -17-18-19 000 98 22 02 -16.0 -19.1 28.90 2 2 312 192 000 89 77100 -17-18-19 000 99 22 03 -16.2 -19.0 28.89 2 2 325 206 000 92 80102 -17-18-19 000 100 22 04 -17.0 -19.3 28.88 2 2 346 226 000 96 83102 -17-18-19 000 101 22 05 -18.1 -19.9 28.88 3 3 355 236 000 102 85103 -17-18-19 000 102 22 06 -18.8 -20.3 28.88 4 4 359 240 000 109 85102 -17-18-19 000 103 22 07 -19.5 -20.6 28.87 4 4 356 237 001 113 86101 -17-18-19 000 104 22 08 -21.1 -21.9 28.87 5 5 5 245 001 122 85 99 -17-18-19 000 105 22 09 -22.9 -23.5 28.87 5 5 10 251 000 124 84 98 -17-18-19 000 106 22 10 -23.4 -23.9 28.87 5 5 14 255 000 125 84 97 -17-18-20 000 107 22 11 -23.4 -23.9 28.86 5 5 19 259 000 125 86 97 -18-18-20 000 108 22 12 -23.1 -23.6 28.86 5 5 22 262 000 125 88 98 -18-19-20 000 109 22 13 -22.4 -23.1 28.86 5 5 24 265 000 121 89 97 -18-19-20 000 110 22 14 -21.6 -22.6 28.85 4 5 25 266 000 115 91 95 -18-19-20 000 111 22 15 -20.6 -22.5 28.85 3 5 25 266 000 104 95 94 -18-19-20 000 112 22 16 -19.4 -21.3 28.85 2 4 31 271 000 102 96 95 -18-19-20 000 113 22 17 -18.0 -19.8 28.85 2 4 52 292 000 103 99 92 -18-19-20 000 114 22 18 -17.4 -19.2 28.85 2 5 76 316 000 100103 90 -18-19-20 000 115 22 19 -16.9 -19.1 28.84 3 6 91 332 000 97100 91 -18-19-20 000 116 22 20 -16.6 -19.2 28.84 4 7 97 337 000 93 95 90 -18-19-20 000 117 22 21 -16.3 -19.4 28.85 4 8 101 341 001 89 87 81 -18-19-20 000 118 22 22 -16.1 -19.8 28.85 5 8 100 341 001 84 92 74 -17-19-20 000 119 22 23 -16.2 -20.1 28.85 6 7 94 334 000 81 91 65 -17-19-20 000 120 23 00 -16.3 -20.2 28.86 7 8 90 330 000 81 79 72 -17-19-19 000 * 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.