USAP Byrd Surface Camp (NBY) (lat, lon) = (-80.01824, -119.5864) Forecast initialized at 2025092212 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 22 12 -40.2 -41.9 28.50 11 12 14 255 -023 068076061 M35M31M29 000 01 22 13 -42.3 -45.3 28.48 13 19 21 262 007 073075060 M33M29M28 000 02 22 14 -42.9 -45.9 28.45 16 23 20 261 023 072074060 M32M28M28 000 03 22 15 -43.1 -46.3 28.46 16 24 20 261 032 071074063 M32M28M28 000 04 22 16 -43.1 -46.3 28.41 16 24 20 260 023 071076065 M31M28M28 000 05 22 17 -42.8 -45.9 28.42 16 24 18 258 014 072079065 M31M28M28 000 06 22 18 -42.5 -45.5 28.40 16 22 22 263 016 073080067 M30M28M28 000 07 22 19 -41.9 -44.8 28.38 16 22 24 264 015 074083072 M29M28M27 000 08 22 20 -41.0 -43.8 28.37 16 22 24 265 007 075081074 M28M27M27 000 09 22 21 -40.4 -43.1 28.34 17 23 22 263 010 076078079 M28M26M26 000 10 22 22 -40.0 -42.8 28.35 17 24 23 263 005 075075080 M28M26M26 000 11 22 23 -39.8 -42.5 28.32 17 26 21 261 006 075071078 M27M25M25 000 12 23 00 -39.8 -42.6 28.33 17 28 19 259 003 075065076 M27M25M25 000 13 23 01 -40.0 -42.8 28.31 18 28 18 258 -004 075064073 M27M25M25 000 14 23 02 -40.5 -43.2 28.31 17 27 20 260 008 075063068 M26M25M25 000 15 23 03 -41.0 -43.7 28.30 18 28 19 259 012 075072062 M27M25M24 000 16 23 04 -41.4 -44.1 28.30 18 28 21 261 008 075070059 M26M25M24 000 17 23 05 -41.5 -44.2 28.30 19 27 23 263 -002 075068059 M25M24M24 000 18 23 06 -41.6 -43.9 28.29 19 28 22 262 -003 078069058 M26M24M24 000 19 23 07 -41.4 -43.7 28.29 19 29 19 260 -003 079078056 M27M24M23 000 20 23 08 -41.2 -43.4 28.29 19 32 18 258 -006 079072057 M26M24M23 000 21 23 09 -40.9 -43.2 28.29 20 33 18 259 -010 079066058 M26M23M22 000 22 23 10 -40.7 -43.1 28.30 21 32 18 259 -003 078061062 M26M22M22 000 23 23 11 -40.4 -42.9 28.31 20 32 17 257 -003 077059066 M25M22M21 000 24 23 12 -39.8 -42.4 28.31 20 32 18 258 -013 076059066 M24M22M22 000 25 23 13 -38.8 -41.7 28.32 20 32 17 258 -012 074076078 M24M22M22 000 26 23 14 -37.2 -40.3 28.33 20 32 17 257 -002 073078077 M23M23M22 001 27 23 15 -36.2 -39.3 28.33 20 32 20 261 -025 073077072 M22M22M23 002 28 23 16 -35.4 -38.6 28.34 21 33 22 262 -046 072080071 M22M21M22 004 29 23 17 -34.9 -38.2 28.37 24 36 24 264 -081 072078077 M22M21M22 005 30 23 18 -34.8 -38.1 28.38 23 34 21 262 -071 072071069 M22M21M22 005 31 23 19 -34.9 -38.4 28.39 23 34 23 263 -042 070075080 M23M20M21 004 32 23 20 -35.0 -38.6 28.39 23 35 21 261 -034 070069076 M26M19M20 002 33 23 21 -34.7 -38.2 28.40 23 33 20 260 -031 070068069 M25M20M21 001 34 23 22 -34.3 -37.7 28.41 23 35 18 258 -032 071067068 M25M20M21 001 35 23 23 -34.0 -37.4 28.42 24 37 15 256 -048 071068066 M25M20M21 001 36 24 00 -34.3 -37.7 28.43 25 39 14 255 -051 071068067 M25M20M21 001 37 24 01 -34.6 -37.9 28.45 24 40 14 255 -021 072067069 M25M20M21 001 38 24 02 -34.5 -37.9 28.46 26 42 15 255 -034 072067065 M25M20M20 000 39 24 03 -34.5 -37.9 28.48 26 43 15 256 -066 071066061 M26M21M20 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.