USAP Byrd Surface Camp (NBY) (lat, lon) = (-80.01824, -119.5864) Forecast initialized at 2025092900 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 -14.3 -17.1 28.62 19 21 60 300 -029 074074063 M15M15M16 000 01 29 01 -16.9 -19.5 28.64 13 28 63 304 -054 081077067 M15M16M16 000 02 29 02 -18.7 -21.2 28.63 14 32 69 309 -060 081074064 M16M16M17 000 03 29 03 -19.4 -22.4 28.65 19 35 56 296 -067 077071068 M17M18M18 000 04 29 04 -20.2 -23.5 28.68 20 39 50 291 -067 075072064 M19M19M19 000 05 29 05 -21.2 -24.5 28.69 23 42 45 285 -074 075077076 M20M20M20 000 06 29 06 -22.1 -25.5 28.72 24 40 39 280 -130 074071070 M22M22M21 000 07 29 07 -23.3 -26.8 28.73 21 39 39 280 -104 073072058 M22M22M22 000 08 29 08 -24.4 -27.9 28.75 20 38 44 284 -106 073086061 M24M23M21 000 09 29 09 -24.9 -27.9 28.77 19 39 46 287 -127 076071066 M22M20M21 000 10 29 10 -24.8 -28.2 28.76 20 41 51 292 -157 074068062 M23M20M20 000 11 29 11 -24.9 -28.4 28.77 22 43 53 293 -152 072068058 M23M20M19 000 12 29 12 -24.7 -28.3 28.78 23 45 50 290 -195 072066068 M22M19M18 000 13 29 13 -24.7 -28.3 28.80 23 45 49 289 -127 072067071 M22M18M17 000 14 29 14 -24.9 -28.0 28.81 23 42 50 290 -193 076065058 M23M17M17 000 15 29 15 -24.0 -26.7 28.82 22 40 54 294 -196 079053044 M22M17M17 000 16 29 16 -23.0 -25.6 28.82 21 42 57 297 -140 079070035 M22M17M17 000 17 29 17 -21.7 -24.2 28.82 21 42 60 300 -103 080076040 M21M17M17 000 18 29 18 -20.0 -22.9 28.82 23 43 58 299 -135 078068062 M20M17M17 002 19 29 19 -19.2 -22.5 28.82 24 43 55 295 -127 075066063 M20M18M17 004 20 29 20 -18.9 -22.3 28.82 23 42 54 294 -128 075067065 M20M18M17 006 21 29 21 -18.8 -22.2 28.82 22 41 52 292 -105 074069068 M19M19M18 006 22 29 22 -18.8 -22.1 28.83 21 39 51 292 -125 075070070 M19M19M18 005 23 29 23 -18.8 -22.1 28.81 20 37 54 294 -129 075072071 M19M19M18 004 24 30 00 -18.9 -22.1 28.81 18 34 55 295 -107 076071067 M19M19M18 003 25 30 01 -19.0 -22.1 28.80 17 32 53 294 -134 077072066 M19M18M17 003 26 30 02 -19.0 -22.1 28.79 18 33 52 292 -134 077071069 M19M18M17 002 27 30 03 -19.3 -22.3 28.79 18 34 51 291 -135 077071069 M18M18M17 002 28 30 04 -19.8 -22.8 28.79 18 35 48 288 -156 077070068 M18M17M17 002 29 30 05 -20.3 -23.5 28.79 20 36 44 284 -165 076082059 M19M18M17 002 30 30 06 -20.8 -24.1 28.78 19 35 42 283 -139 075093048 M19M19M18 001 31 30 07 -21.4 -24.7 28.77 18 31 46 287 -103 075095041 M18M18M19 001 32 30 08 -21.9 -25.2 28.76 20 35 45 286 -074 074074045 M19M18M18 001 33 30 09 -22.0 -25.3 28.75 19 33 43 284 -070 075098064 M20M19M18 000 34 30 10 -21.3 -24.5 28.74 19 32 46 286 -051 075097072 M20M19M20 000 35 30 11 -21.3 -24.4 28.74 17 31 49 289 006 076097087 M20M19M19 000 36 30 12 -20.7 -23.9 28.73 18 31 49 289 -018 076096086 M20M19M19 000 37 30 13 -20.4 -23.5 28.72 17 31 47 287 -029 076097100 M20M19M19 001 38 30 14 -19.8 -22.8 28.71 17 31 45 286 -043 077095099 M20M19M19 001 39 30 15 -19.4 -22.4 28.70 16 31 46 286 -015 077091097 M19M18M18 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.