USAP Byrd Surface Camp (NBY) (lat, lon) = (-80.01824, -119.5864) Forecast initialized at 2025092712 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 27 12 -26.1 -30.8 28.61 23 26 22 263 -047 065068072 M25M24M23 000 01 27 13 -29.2 -33.0 28.61 24 38 28 268 -101 070068071 M26M24M23 000 02 27 14 -29.9 -33.8 28.62 25 43 27 267 -091 069067072 M26M23M23 000 03 27 15 -30.2 -34.0 28.63 25 43 24 265 -089 070064067 M26M23M23 000 04 27 16 -30.7 -34.5 28.67 24 42 23 263 -080 069064064 M26M24M23 000 05 27 17 -30.9 -34.6 28.67 23 40 21 262 -112 070065062 M25M23M23 000 06 27 18 -30.8 -34.2 28.69 22 39 23 263 -113 071069061 M25M23M22 000 07 27 19 -30.5 -33.8 28.69 21 37 23 264 -091 072070057 M25M23M22 000 08 27 20 -30.1 -33.4 28.68 19 34 26 266 -084 074070055 M24M22M22 000 09 27 21 -29.9 -32.7 28.69 18 31 28 268 -049 077064050 M24M21M21 000 10 27 22 -27.9 -30.0 28.69 16 29 27 267 -021 082068043 M24M21M21 000 11 27 23 -27.9 -31.3 28.69 16 28 36 276 -028 073078026 M23M22M21 000 12 28 00 -27.4 -30.9 28.69 14 26 40 281 -020 073071031 M22M21M21 000 13 28 01 -26.4 -29.7 28.68 15 28 44 285 001 074075081 M22M20M20 000 14 28 02 -26.0 -29.2 28.67 15 28 46 286 002 075077084 M22M20M19 001 15 28 03 -25.5 -28.5 28.66 14 31 48 288 005 076079082 M21M19M18 003 16 28 04 -24.7 -27.6 28.64 16 33 48 288 -036 077079080 M20M18M17 006 17 28 05 -23.6 -26.6 28.63 18 35 47 288 -044 076077082 M20M17M17 012 18 28 06 -23.0 -26.0 28.62 19 39 44 285 -074 077079081 M20M17M16 019 19 28 07 -21.9 -24.9 28.62 20 40 46 286 -059 077077082 M20M17M16 027 20 28 08 -21.4 -24.3 28.62 21 39 48 288 -052 077081084 M20M18M17 035 21 28 09 -21.2 -24.1 28.62 19 38 48 288 -052 078081083 M20M19M17 046 22 28 10 -20.6 -23.4 28.62 20 38 42 282 -060 079080086 M20M19M18 059 23 28 11 -20.8 -23.5 28.62 20 37 43 283 -057 079082090 M20M19M18 056 24 28 12 -20.2 -22.8 28.62 20 37 42 282 -032 080091098 M19M18M17 054 25 28 13 -19.6 -22.2 28.62 19 36 44 284 -053 080088096 M19M18M18 049 26 28 14 -19.0 -21.6 28.62 17 35 44 285 -041 080093100 M19M18M18 049 27 28 15 -19.1 -21.8 28.62 17 38 44 284 -041 080086089 M18M18M18 037 28 28 16 -19.9 -22.7 28.62 18 38 41 282 -094 078089093 M18M18M17 018 29 28 17 -20.0 -22.8 28.62 16 39 40 281 -041 079084083 M18M18M16 009 30 28 18 -19.2 -22.0 28.61 20 42 39 279 -125 078079076 M18M17M16 005 31 28 19 -18.5 -21.5 28.61 20 41 40 280 -139 077080075 M18M17M16 005 32 28 20 -17.8 -20.9 28.60 20 41 40 280 -072 077078073 M18M17M16 005 33 28 21 -17.7 -20.8 28.60 18 39 40 280 -041 077075064 M18M17M16 005 34 28 22 -17.4 -20.5 28.61 19 40 42 283 -022 077074064 M17M17M16 004 35 28 23 -17.4 -20.6 28.60 21 39 46 286 -058 076069062 M17M17M16 002 36 29 00 -17.8 -21.1 28.61 21 39 43 284 -051 075071060 M18M19M18 002 37 29 01 -18.4 -21.8 28.61 22 41 41 282 -072 075072060 M19M19M18 001 38 29 02 -20.0 -23.3 28.61 24 44 40 281 -088 075071063 M19M19M18 001 39 29 03 -21.3 -24.6 28.61 25 44 40 280 -129 075069060 M20M20M18 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.