USAP Byrd Surface Camp (NBY) (lat, lon) = (-80.01824, -119.5864) Forecast initialized at 2025072812 AMPS thwaites domain 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) (*) 00 28 12 -28.2 -32.5 28.47 20 21 29 269 -041 064065078 M28M26M25 000 01 28 13 -29.6 -33.3 28.47 18 31 34 274 -034 070065073 M27M26M25 002 02 28 14 -30.6 -34.4 28.48 19 34 32 272 -030 069063071 M27M26M25 002 03 28 15 -31.5 -35.4 28.49 19 36 28 268 -013 069061070 M28M26M25 002 04 28 16 -32.4 -36.3 28.50 19 37 29 270 -004 068061070 M28M26M25 001 05 28 17 -32.9 -36.8 28.52 21 38 31 271 -011 068063070 M29M26M25 000 06 28 18 -33.1 -36.9 28.53 21 38 33 273 010 068064073 M29M26M25 001 07 28 19 -32.9 -36.6 28.51 20 37 33 274 001 069068076 M29M25M25 002 08 28 20 -32.7 -36.3 28.53 19 35 34 274 026 070069075 M28M25M25 002 09 28 21 -32.8 -36.3 28.53 18 34 31 271 022 071071078 M29M26M25 001 10 28 22 -32.8 -36.3 28.53 17 33 28 269 -009 071071079 M29M26M25 001 11 28 23 -33.1 -36.7 28.52 17 30 28 268 -006 070072079 M29M26M25 001 12 29 00 -33.5 -37.1 28.52 18 31 31 271 -016 070071075 M29M26M25 001 13 29 01 -33.6 -37.1 28.52 18 31 30 271 -012 070071073 M28M25M25 001 14 29 02 -33.8 -37.4 28.52 18 32 27 267 -015 070072069 M28M26M25 001 15 29 03 -34.0 -37.6 28.52 18 31 25 265 -020 070072066 M28M26M25 000 16 29 04 -34.2 -37.8 28.51 17 30 25 266 001 070073066 M28M26M25 000 17 29 05 -34.4 -38.0 28.51 17 29 27 268 033 069073069 M28M26M25 000 18 29 06 -34.3 -38.0 28.51 16 29 29 269 039 069074070 M29M26M25 001 19 29 07 -34.4 -38.1 28.51 16 28 29 269 044 069074070 M29M26M25 001 20 29 08 -34.3 -37.9 28.50 15 28 28 269 040 070074070 M28M26M25 001 21 29 09 -34.4 -38.0 28.50 16 27 28 268 034 070073070 M28M26M25 001 22 29 10 -34.6 -38.2 28.49 16 28 28 268 036 069074073 M29M26M25 000 23 29 11 -34.8 -38.5 28.49 17 29 28 269 023 069074076 M29M26M25 000 24 29 12 -35.1 -38.8 28.48 17 30 30 270 020 069073077 M30M27M25 000 25 29 13 -35.2 -39.0 28.48 17 30 28 269 016 068071079 M30M27M25 000 26 29 14 -35.5 -39.3 28.46 17 29 28 268 007 068070078 M30M27M25 000 27 29 15 -35.6 -39.4 28.46 18 29 29 270 -005 068069076 M30M27M25 000 28 29 16 -35.9 -39.7 28.45 19 30 30 271 -003 068068073 M30M27M26 000 29 29 17 -35.9 -39.8 28.45 19 31 28 268 -001 067068069 M31M27M26 000 30 29 18 -36.0 -40.0 28.44 18 30 25 266 025 067068067 M31M28M26 001 31 29 19 -36.4 -40.3 28.44 18 29 27 268 023 067067067 M32M28M26 001 32 29 20 -36.7 -40.6 28.43 19 30 30 270 038 067067069 M32M28M27 001 33 29 21 -36.6 -40.6 28.42 19 30 26 266 029 067066069 M31M28M27 001 34 29 22 -36.6 -40.5 28.40 19 31 23 263 009 067066068 M31M28M27 001 35 29 23 -36.7 -40.5 28.39 19 31 23 263 020 067066068 M31M28M27 001 36 30 00 -36.9 -40.7 28.38 19 31 21 262 015 068067070 M31M28M27 001 37 30 01 -37.3 -41.1 28.38 19 32 20 260 -008 068067071 M32M29M27 001 38 30 02 -37.7 -41.3 28.36 20 34 17 258 -013 069065067 M32M28M27 000 39 30 03 -38.0 -41.5 28.35 20 34 15 256 002 070060066 M31M28M27 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.