USAP Byrd Surface Camp (NBY) (lat, lon) = (-80.01824, -119.5864) Forecast initialized at 2025091900 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 19 00 -20.5 -25.6 28.24 16 17 39 280 -030 060034027 M20M18M17 000 01 19 01 -21.6 -25.6 28.22 17 35 43 284 -060 070040015 M19M18M17 000 02 19 02 -21.7 -25.6 28.18 20 39 44 284 -166 071043030 M19M18M16 000 03 19 03 -21.7 -25.5 28.15 21 44 42 282 -160 071040043 M20M17M15 000 04 19 04 -21.4 -25.2 28.13 23 45 45 285 -110 072056075 M19M17M16 001 05 19 05 -20.8 -24.5 28.11 22 44 42 283 -081 073066086 M20M18M16 003 06 19 06 -20.2 -23.7 28.11 22 43 42 283 -092 074072080 M20M19M17 008 07 19 07 -20.1 -23.5 28.08 20 42 39 279 -085 074073076 M20M19M16 017 08 19 08 -20.1 -23.5 28.09 20 41 40 281 -083 074071072 M20M18M16 020 09 19 09 -20.2 -23.8 28.09 20 39 39 279 -066 073071072 M20M18M15 020 10 19 10 -20.6 -24.1 28.07 20 38 41 281 -083 073073073 M20M17M16 016 11 19 11 -20.2 -23.6 28.06 20 36 38 279 -045 074076075 M21M19M16 026 12 19 12 -20.9 -24.2 28.06 21 37 36 276 -029 075079076 M21M18M17 029 13 19 13 -20.8 -24.0 28.06 20 37 39 279 -110 076078081 M21M19M17 031 14 19 14 -20.3 -23.3 28.08 20 38 36 277 -097 077081087 M21M19M18 035 15 19 15 -20.2 -23.3 28.09 22 37 38 279 -067 076083090 M21M19M19 047 16 19 16 -20.8 -23.9 28.10 21 38 39 280 -057 076081081 M21M20M20 044 17 19 17 -20.8 -23.9 28.12 22 39 34 274 -085 076076083 M21M20M19 029 18 19 18 -20.6 -23.7 28.12 23 39 31 271 -078 076076083 M21M20M19 012 19 19 19 -20.5 -23.7 28.16 23 38 27 268 -062 076074084 M21M19M19 009 20 19 20 -20.6 -23.7 28.19 22 37 23 264 -061 076076082 M21M20M20 007 21 19 21 -20.8 -23.9 28.22 22 36 22 263 -064 076075081 M21M20M20 006 22 19 22 -21.3 -24.4 28.25 22 35 25 265 -079 076076081 M21M21M20 005 23 19 23 -22.0 -25.1 28.27 22 35 28 269 -077 076077077 M22M20M20 003 24 20 00 -22.8 -26.0 28.29 24 37 32 273 -056 075077071 M22M21M20 002 25 20 01 -23.5 -26.8 28.33 23 39 31 272 -006 075076072 M22M20M19 001 26 20 02 -23.9 -27.2 28.35 23 39 28 268 -022 074073074 M22M20M19 000 27 20 03 -24.0 -27.3 28.38 22 38 27 267 -026 074069069 M22M19M19 001 28 20 04 -24.2 -27.5 28.42 21 37 26 266 -005 074069072 M22M20M19 001 29 20 05 -24.4 -27.8 28.45 21 36 25 265 -019 074068069 M22M19M19 001 30 20 06 -24.8 -28.2 28.48 20 36 23 264 -011 074070070 M23M20M19 001 31 20 07 -25.2 -28.6 28.50 21 36 26 266 -025 073068068 M23M20M19 001 32 20 08 -25.9 -29.3 28.53 22 36 24 265 -041 073068069 M23M20M19 001 33 20 09 -26.4 -29.8 28.56 21 36 23 263 -061 074069070 M22M19M18 001 34 20 10 -26.6 -29.8 28.58 21 35 22 262 -068 074072068 M23M20M19 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.