USAP Cape Hallett (CPH) (lat, lon) = (-72.316667, 170.266667) Forecast initialized at 2025092200 AMPS 2p67km 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 00 -21.0 -28.1 29.02 5 6 315 125 024 058032027 M21M21M20 000 01 22 01 -20.5 -25.7 28.99 5 6 32 202 -008 063030027 M19M18M18 000 02 22 02 -20.5 -24.6 28.98 4 4 13 183 -022 070032025 M20M19M18 000 03 22 03 -19.7 -24.5 28.98 4 4 11 181 -028 066034029 M19M19M18 000 04 22 04 -19.2 -24.4 28.98 2 3 348 158 007 064033031 M18M19M18 000 05 22 05 -18.9 -24.9 29.02 1 3 67 237 -021 059034033 M18M18M19 000 06 22 06 -19.4 -24.5 29.02 4 5 127 298 -008 064046036 M18M18M19 000 07 22 07 -19.8 -24.3 29.01 2 4 162 332 006 068044036 M18M18M18 000 08 22 08 -19.8 -24.7 29.06 3 4 237 47 -009 065042038 M18M18M18 000 09 22 09 -19.7 -24.9 29.02 3 4 200 10 -005 063039040 M18M18M19 000 10 22 10 -19.7 -24.7 29.04 2 3 221 32 -011 065037041 M18M18M19 000 11 22 11 -19.5 -24.9 29.05 3 4 202 12 -005 063036040 M18M18M19 000 12 22 12 -19.4 -25.1 29.05 4 4 201 11 004 061035041 M18M18M19 000 13 22 13 -19.3 -25.5 29.04 4 5 214 24 -010 058036040 M17M18M18 000 14 22 14 -19.4 -25.6 29.06 5 6 175 346 -008 058039041 M17M18M18 000 15 22 15 -19.4 -25.0 29.09 3 4 199 9 008 062038042 M17M18M19 000 16 22 16 -19.4 -25.5 29.11 3 5 202 13 010 059045042 M18M18M19 000 17 22 17 -19.5 -25.6 29.10 4 5 208 18 -034 059046042 M18M18M19 000 18 22 18 -19.6 -25.5 29.12 4 5 201 11 -043 060046041 M18M18M19 000 19 22 19 -19.7 -25.6 29.12 4 4 238 48 -036 060043042 M18M18M19 000 20 22 20 -19.3 -25.6 29.12 4 4 232 42 -024 058042042 M18M18M19 000 21 22 21 -19.0 -25.2 29.11 4 4 229 39 -012 058039043 M17M18M19 000 22 22 22 -18.6 -24.5 29.11 2 3 208 18 004 060041048 M17M18M19 000 23 22 23 -18.4 -23.5 29.13 2 2 220 30 001 065047050 M17M18M19 000 24 23 00 -18.1 -23.2 29.13 2 2 213 23 -002 065048053 M17M18M19 000 25 23 01 -18.1 -22.8 29.12 2 2 242 53 -041 067049054 M17M18M19 000 26 23 02 -18.0 -22.6 29.12 2 2 251 61 -069 067051054 M17M18M19 000 27 23 03 -18.2 -22.8 29.10 2 2 252 62 -083 067051052 M17M18M19 000 28 23 04 -18.3 -23.0 29.10 2 2 251 61 -086 067052049 M17M18M19 000 29 23 05 -18.6 -23.4 29.07 3 3 232 42 -055 066053047 M17M18M19 000 30 23 06 -18.9 -24.1 29.07 4 4 223 33 003 063056044 M17M18M19 000 31 23 07 -19.0 -24.8 29.06 4 4 225 35 029 060062043 M17M18M19 000 32 23 08 -19.3 -24.6 29.04 3 4 229 39 023 063071042 M17M18M19 000 33 23 09 -19.3 -24.6 29.03 3 3 229 39 024 063080040 M18M18M19 000 34 23 10 -19.1 -24.1 29.02 3 3 211 21 037 065081038 M17M18M19 000 35 23 11 -18.9 -23.2 29.01 4 4 186 356 050 069060037 M17M18M19 000 36 23 12 -18.8 -23.1 28.99 4 4 186 356 060 069046036 M18M18M19 000 37 23 13 -18.9 -23.1 28.97 3 4 160 330 064 070045036 M18M18M18 000 38 23 14 -19.1 -23.0 28.97 5 6 153 323 060 072049037 M18M18M18 000 39 23 15 -19.4 -23.3 28.96 6 7 153 324 054 071051037 M18M18M18 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 1h) 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.