USAP Byrd Surface Camp (NBY) (lat, lon) = (-80.01824, -119.5864) Forecast initialized at 2025072900 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 29 00 -30.2 -31.7 28.51 12 13 32 273 -024 071075078 M27M26M25 000 01 29 01 -31.5 -34.2 28.53 11 17 41 282 034 077074077 M26M25M25 001 02 29 02 -32.4 -35.3 28.51 13 20 45 285 -008 075072081 M25M25M25 001 03 29 03 -33.0 -36.2 28.50 15 24 40 281 -016 073067079 M25M25M25 001 04 29 04 -33.3 -36.8 28.52 16 25 39 279 -020 071066080 M25M25M25 001 05 29 05 -33.7 -37.3 28.51 16 27 36 277 -046 070068079 M26M25M25 000 06 29 06 -33.9 -37.5 28.50 17 29 31 272 -033 070073072 M26M25M25 000 07 29 07 -34.3 -37.8 28.50 17 31 31 271 -003 070078071 M27M26M25 000 08 29 08 -34.6 -38.1 28.49 16 30 31 272 016 071078073 M27M26M25 000 09 29 09 -35.0 -38.4 28.49 15 28 32 272 026 071078077 M27M26M25 000 10 29 10 -35.3 -38.7 28.49 15 27 33 274 014 071080082 M28M26M26 000 11 29 11 -35.3 -38.7 28.47 15 27 30 271 -002 071080083 M28M27M26 000 12 29 12 -35.1 -38.5 28.46 16 27 28 269 -011 071078080 M28M26M26 001 13 29 13 -35.2 -38.6 28.45 16 27 29 269 -003 071075077 M27M26M25 001 14 29 14 -35.3 -38.7 28.44 17 28 32 272 -004 071074075 M28M26M25 001 15 29 15 -35.3 -38.8 28.45 17 28 31 272 003 070073072 M28M26M26 001 16 29 16 -35.6 -39.1 28.43 17 29 30 271 006 070072069 M28M27M26 000 17 29 17 -35.8 -39.4 28.43 18 29 32 273 014 070071069 M28M27M27 000 18 29 18 -36.1 -39.7 28.42 18 30 32 272 008 069069070 M29M27M27 000 19 29 19 -36.2 -39.9 28.41 17 30 28 268 001 069067070 M29M27M27 000 20 29 20 -36.5 -40.1 28.41 17 30 24 265 -004 069067068 M29M27M27 000 21 29 21 -36.6 -40.2 28.41 17 29 24 265 009 069067068 M29M27M26 000 22 29 22 -36.6 -40.3 28.39 17 28 26 266 012 069065070 M29M27M26 000 23 29 23 -36.8 -40.4 28.38 17 29 27 267 -004 069065070 M29M27M27 000 24 30 00 -37.1 -40.7 28.37 18 29 24 264 -010 069064070 M30M27M26 000 25 30 01 -37.4 -41.0 28.36 18 30 21 262 -002 069063068 M30M27M26 000 26 30 02 -37.7 -41.2 28.35 18 30 20 260 -014 070063067 M30M27M26 000 27 30 03 -37.9 -41.3 28.34 18 31 17 258 004 070062064 M30M27M26 000 28 30 04 -38.4 -41.6 28.32 18 32 19 259 015 071061064 M30M28M27 000 29 30 05 -38.4 -41.6 28.32 19 34 18 259 002 072059066 M30M28M27 000 30 30 06 -38.3 -41.5 28.30 21 36 17 258 -032 073059062 M30M28M27 000 31 30 07 -38.3 -41.4 28.29 22 38 17 258 -044 073058058 M31M28M27 000 32 30 08 -38.1 -41.1 28.27 23 42 21 262 -053 073057053 M32M28M27 000 33 30 09 -38.0 -41.1 28.27 25 43 21 261 -074 073058050 M34M29M26 000 34 30 10 -38.2 -41.1 28.26 26 44 20 260 -084 073065047 M35M30M27 000 35 30 11 -38.3 -41.3 28.24 26 44 20 261 -069 073068045 M36M30M28 000 36 30 12 -38.4 -41.8 28.22 26 45 22 262 -054 070065042 M36M31M28 000 37 30 13 -38.9 -42.3 28.21 27 48 24 264 -037 070061037 M37M32M28 000 38 30 14 -39.3 -42.8 28.20 27 50 26 266 -075 069059027 M37M32M28 000 39 30 15 -39.5 -43.1 28.19 28 51 29 269 -108 068057016 M37M31M28 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.