USAP Byrd Surface Camp (NBY) (lat, lon) = (-80.01824, -119.5864) Forecast initialized at 2025091912 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 12 -16.9 -20.7 28.07 19 21 40 281 -037 070072066 M17M16M17 000 01 19 13 -18.0 -21.2 28.05 17 34 43 283 -129 076072071 M17M16M16 009 02 19 14 -19.3 -22.4 28.09 17 36 47 287 -103 077069071 M17M16M16 012 03 19 15 -20.0 -23.2 28.07 21 41 43 283 -121 076073070 M17M17M17 012 04 19 16 -20.3 -23.4 28.11 22 42 41 282 -086 077082073 M19M18M18 003 05 19 17 -20.6 -23.6 28.13 23 43 35 276 -124 077086076 M20M19M19 000 06 19 18 -20.4 -23.3 28.14 25 44 32 272 -124 078085077 M20M19M19 000 07 19 19 -20.4 -23.3 28.15 25 43 29 269 -115 078085074 M20M19M20 000 08 19 20 -19.8 -22.8 28.16 24 41 28 268 -106 077084072 M19M20M20 000 09 19 21 -19.8 -22.8 28.20 24 40 29 269 -090 077083075 M19M20M20 000 10 19 22 -20.4 -23.4 28.22 24 39 27 267 -061 077081083 M20M20M20 000 11 19 23 -20.4 -23.3 28.26 24 38 26 266 -056 078089090 M20M20M21 000 12 20 00 -19.9 -22.7 28.29 25 38 27 268 -060 078095087 M20M20M22 000 13 20 01 -20.0 -23.0 28.31 25 38 28 268 -090 077096078 M20M20M21 001 14 20 02 -20.7 -23.8 28.34 24 38 26 266 -056 076093071 M20M20M21 001 15 20 03 -21.0 -24.0 28.37 23 37 24 265 -076 077090071 M20M20M19 000 16 20 04 -21.2 -24.1 28.40 23 37 24 265 -063 077071068 M20M20M19 001 17 20 05 -22.0 -25.0 28.44 22 37 26 266 -054 076071064 M21M20M20 001 18 20 06 -23.0 -26.2 28.47 23 37 25 265 -039 075075063 M22M20M20 001 19 20 07 -23.9 -27.1 28.51 22 38 24 264 -020 075080069 M21M20M20 000 20 20 08 -24.5 -27.7 28.54 22 37 21 261 -020 075077070 M21M20M20 000 21 20 09 -24.9 -28.1 28.57 21 35 19 260 -011 075078070 M21M20M20 000 22 20 10 -25.2 -28.3 28.60 20 34 21 261 -041 075079071 M21M20M20 000 23 20 11 -25.8 -28.9 28.62 20 32 21 261 -017 076080070 M22M20M20 001 24 20 12 -26.2 -29.2 28.64 19 32 22 262 -008 076079069 M22M21M21 001 25 20 13 -26.5 -29.4 28.66 19 31 24 264 -002 076081069 M21M21M21 001 26 20 14 -26.7 -29.6 28.69 18 31 22 263 023 076080072 M22M21M21 001 27 20 15 -26.7 -29.7 28.72 18 31 20 260 007 076078074 M22M21M21 001 28 20 16 -26.9 -30.0 28.72 18 31 22 263 -015 075080070 M23M22M21 002 29 20 17 -26.8 -29.9 28.73 19 34 26 266 -009 075075069 M23M21M20 002 30 20 18 -26.7 -29.8 28.74 21 37 25 265 -040 075073070 M24M21M20 001 31 20 19 -26.4 -29.5 28.74 23 39 22 262 -077 075078069 M25M21M19 000 32 20 20 -26.2 -29.3 28.74 23 40 18 259 -056 075078064 M25M21M19 000 33 20 21 -26.2 -29.3 28.74 25 40 15 256 -050 076080066 M25M22M19 000 34 20 22 -26.4 -29.4 28.76 25 35 7 247 013 076080073 M26M22M20 000 35 20 23 -26.8 -29.9 28.77 21 32 8 248 045 075088078 M25M22M21 000 36 21 00 -27.1 -30.3 28.79 20 29 10 250 023 074083095 M24M21M22 000 37 21 01 -28.0 -31.3 28.79 19 30 14 254 -001 073081091 M24M20M21 000 38 21 02 -28.7 -32.1 28.80 18 31 12 252 002 073078089 M24M20M21 000 39 21 03 -29.4 -32.8 28.80 17 26 15 255 011 072079092 M24M21M21 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.