USAP Cape Hallett (CPH) (lat, lon) = (-72.316667, 170.266667) Forecast initialized at 2025091912 AMPS 8km 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 -23.2 -30.7 28.63 6 6 234 45 -036 053057051 M24M23M22 000 03 19 15 -22.0 -25.5 28.61 3 5 78 248 -013 074050042 M21M20M20 000 06 19 18 -21.8 -24.7 28.61 3 4 102 272 -000 078053044 M20M20M20 000 09 19 21 -21.3 -24.3 28.61 5 6 119 289 -010 077052046 M20M20M20 000 12 20 00 -19.9 -23.1 28.64 7 10 124 294 -026 076064050 M21M21M21 000 15 20 03 -19.4 -22.4 28.68 7 11 129 299 -045 077073055 M20M21M21 000 18 20 06 -20.3 -22.9 28.72 7 11 132 303 -024 080074062 M21M21M21 000 21 20 09 -20.6 -23.3 28.77 8 11 130 301 -016 079069063 M21M21M21 000 24 20 12 -20.8 -23.6 28.80 7 10 126 296 015 078068061 M21M21M21 000 27 20 15 -20.5 -23.3 28.87 6 9 121 291 006 078067058 M21M21M21 000 30 20 18 -19.9 -22.7 28.91 6 8 113 283 -058 079065054 M20M20M20 000 33 20 21 -19.2 -22.0 28.96 6 8 113 283 -072 079066055 M20M20M20 000 36 21 00 -18.2 -21.3 29.03 6 9 119 290 -063 077066053 M19M19M19 000 39 21 03 -17.7 -20.9 29.09 7 11 127 297 -056 077062055 M19M19M19 000 42 21 06 -20.4 -23.3 29.12 10 14 171 341 -158 078070062 M18M19M20 000 45 21 09 -20.2 -24.1 29.16 13 18 182 353 -214 071056060 M17M18M19 000 48 21 12 -19.6 -24.4 29.16 19 28 184 355 -096 066047051 M18M18M18 000 51 21 15 -20.0 -25.3 29.16 22 33 184 355 001 063040043 M19M19M19 000 54 21 18 -18.7 -25.0 29.14 22 35 187 357 -045 058033030 M19M19M19 000 57 21 21 -16.3 -24.5 29.06 26 45 194 4 067 049027022 M17M17M18 000 60 22 00 -15.4 -23.5 29.02 30 48 194 4 125 050029019 M16M17M18 000 63 22 03 -15.5 -23.5 28.99 35 54 195 6 228 050028029 M16M17M18 000 66 22 06 -15.5 -23.3 28.98 33 54 197 8 268 051031034 M16M16M17 000 69 22 09 -15.3 -22.8 28.97 35 55 199 9 249 053036036 M16M16M17 000 72 22 12 -15.0 -22.6 28.94 35 55 202 12 273 052033039 M15M15M16 000 75 22 15 -15.5 -22.7 28.95 39 57 198 9 186 054035035 M16M15M16 000 78 22 18 -15.3 -22.4 28.97 35 53 198 8 127 055033040 M15M15M15 000 81 22 21 -15.3 -22.1 29.00 26 42 197 8 007 056033042 M15M15M16 000 84 23 00 -15.5 -22.0 29.06 17 29 199 9 -011 058034044 M16M15M16 000 87 23 03 -16.0 -21.6 29.06 15 23 190 1 -053 062036047 M16M16M16 000 90 23 06 -18.0 -22.8 29.07 12 21 187 357 -017 066041055 M16M16M17 000 93 23 09 -19.3 -24.2 29.07 5 7 228 38 006 066048055 M17M18M18 000 96 23 12 -20.3 -25.7 29.06 6 7 228 38 015 062052057 M18M18M19 000 99 23 15 -20.5 -25.9 29.06 6 7 210 21 003 063052061 M18M19M20 000 102 23 18 -21.1 -26.4 29.05 7 8 210 20 011 063052059 M18M19M20 000 105 23 21 -19.3 -24.9 29.03 4 4 195 5 031 062053057 M19M20M20 000 108 24 00 -18.5 -21.9 29.03 2 3 132 302 016 075060055 M19M20M21 000 111 24 03 -17.8 -20.5 29.02 2 3 110 280 -009 080070063 M19M20M21 000 114 24 06 -18.7 -20.8 29.01 5 6 153 324 033 084082070 M19M20M21 000 117 24 09 -19.4 -22.7 29.02 11 14 177 348 048 075071075 M19M20M21 004 120 24 12 -18.6 -22.7 29.02 18 26 179 349 022 070063073 M19M20M20 011 * 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.