USAP Byrd Surface Camp (NBY) (lat, lon) = (-80.01824, -119.5864) Forecast initialized at 2025092812 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 -16.0 -19.8 28.59 20 22 44 284 -037 073073077 M16M16M16 000 01 28 13 -17.5 -20.3 28.58 17 31 46 287 -003 079074072 M16M16M17 005 02 28 14 -18.6 -21.6 28.60 18 36 46 287 -020 077072069 M17M17M17 006 03 28 15 -18.7 -21.8 28.61 19 41 44 285 -038 077074068 M17M16M15 007 04 28 16 -18.3 -21.2 28.62 21 43 47 287 -101 078082078 M16M15M15 002 05 28 17 -17.9 -20.7 28.61 22 45 45 286 -132 079082085 M16M15M15 001 06 28 18 -17.7 -20.5 28.61 20 44 46 286 -120 079081078 M16M15M15 000 07 28 19 -17.2 -19.9 28.62 18 40 44 285 -149 079078074 M15M15M16 000 08 28 20 -16.5 -19.3 28.61 19 42 42 282 -077 079077075 M15M16M16 000 09 28 21 -16.1 -19.0 28.63 21 40 43 283 -095 078076067 M15M15M15 000 10 28 22 -16.4 -19.3 28.63 19 38 48 289 -055 078075069 M15M16M16 000 11 28 23 -16.6 -19.5 28.63 18 37 50 291 -049 078075062 M16M16M16 000 12 29 00 -17.1 -20.0 28.63 17 35 46 286 -033 078071066 M15M16M16 000 13 29 01 -18.3 -21.2 28.64 17 34 45 286 -007 078072073 M16M17M18 000 14 29 02 -19.7 -22.7 28.65 15 33 47 288 087 077072065 M17M18M19 000 15 29 03 -20.5 -23.8 28.66 18 37 43 283 039 075072065 M19M20M19 000 16 29 04 -20.7 -24.1 28.67 23 40 40 280 -004 074071068 M20M19M18 000 17 29 05 -21.1 -24.3 28.68 25 43 37 278 -112 075067058 M21M19M18 000 18 29 06 -22.0 -25.4 28.71 25 43 40 280 -147 074065063 M21M20M18 000 19 29 07 -23.2 -26.8 28.73 23 41 39 280 -138 072066058 M22M21M20 000 20 29 08 -24.1 -27.7 28.75 22 39 41 281 -117 072063058 M23M20M20 000 21 29 09 -24.6 -28.1 28.78 23 40 39 279 -095 073082067 M23M21M21 000 22 29 10 -24.6 -27.4 28.79 20 37 39 279 -118 077084047 M24M22M20 000 23 29 11 -24.5 -27.0 28.80 19 37 47 287 -177 079068062 M23M19M19 000 24 29 12 -24.5 -27.2 28.81 21 42 54 294 -173 078072059 M23M19M19 000 25 29 13 -24.7 -27.5 28.82 22 42 48 288 -205 078067066 M22M18M18 000 26 29 14 -24.9 -27.8 28.83 22 41 49 289 -194 077069058 M22M17M18 000 27 29 15 -24.4 -26.5 28.84 23 40 49 289 -206 082070047 M22M17M17 000 28 29 16 -23.4 -25.5 28.84 21 38 51 291 -189 083067040 M21M17M17 000 29 29 17 -21.8 -24.6 28.83 21 38 51 292 -176 078064052 M20M17M17 000 30 29 18 -20.7 -24.0 28.85 22 38 49 290 -162 075066061 M20M17M17 001 31 29 19 -20.2 -23.5 28.85 21 38 52 292 -137 075067068 M20M18M17 002 32 29 20 -19.9 -23.2 28.85 20 38 52 292 -075 075067070 M20M18M18 003 33 29 21 -19.7 -23.0 28.85 20 38 49 290 -100 075069072 M20M18M18 004 34 29 22 -19.5 -22.8 28.85 20 37 47 288 -103 075069070 M20M18M17 005 35 29 23 -19.8 -23.0 28.84 19 36 45 285 -107 075069068 M20M18M17 004 36 30 00 -20.3 -23.5 28.84 18 34 45 286 -121 076069067 M19M18M17 003 37 30 01 -21.1 -24.2 28.84 18 33 46 287 -104 076070065 M20M18M17 002 38 30 02 -21.8 -24.9 28.83 17 33 46 287 -084 076069062 M19M18M17 001 39 30 03 -22.4 -25.5 28.84 17 33 45 286 -073 076068064 M19M18M17 001 * 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.