USAP Cape Hallett (CPH) (lat, lon) = (-72.316667, 170.266667) Forecast initialized at 2025092912 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 29 12 -19.4 -25.5 29.32 4 5 306 116 -006 059058040 M20M18M17 000 03 29 15 -19.1 -23.1 29.28 3 4 83 253 -004 071045036 M16M15M15 000 06 29 18 -19.3 -22.7 29.27 2 4 78 248 -001 075049038 M16M16M15 000 09 29 21 -18.3 -21.8 29.24 3 4 83 253 -004 074048038 M16M15M15 000 12 30 00 -16.9 -20.3 29.22 3 4 88 259 -010 075049040 M16M16M16 000 15 30 03 -16.6 -19.5 29.22 5 6 109 280 002 078052043 M17M16M16 000 18 30 06 -18.2 -21.0 29.24 4 7 126 297 002 079054046 M17M16M16 000 21 30 09 -19.6 -21.9 29.26 3 5 101 271 -002 082058049 M18M17M17 000 24 30 12 -19.9 -22.3 29.25 2 3 103 274 -010 082056051 M18M17M17 000 27 30 15 -20.0 -22.2 29.25 2 4 77 247 -004 083053050 M18M18M17 000 30 30 18 -19.8 -22.6 29.24 2 3 55 226 -003 079051047 M18M17M17 000 33 30 21 -19.0 -22.3 29.21 3 4 76 246 -008 076049046 M18M18M18 000 36 01 00 -17.6 -21.2 29.20 2 4 70 241 012 074045047 M18M17M17 000 39 01 03 -16.9 -19.9 29.17 4 4 79 250 004 077045050 M18M17M17 000 42 01 06 -18.0 -20.3 29.15 3 5 126 296 -167 082054050 M18M18M18 000 45 01 09 -18.1 -21.1 29.15 2 3 154 325 -234 078058054 M18M18M17 001 48 01 12 -17.4 -20.4 29.12 2 3 161 331 -079 077061062 M17M17M17 004 51 01 15 -16.8 -19.8 29.13 2 3 164 334 -061 078059062 M16M16M16 005 54 01 18 -17.2 -20.3 29.12 3 3 162 332 -106 077059059 M16M16M16 003 57 01 21 -16.4 -20.1 29.11 2 3 161 331 -100 073055055 M16M16M15 001 60 02 00 -15.3 -18.3 29.10 2 3 78 248 -149 078053051 M16M15M15 000 63 02 03 -15.3 -17.7 29.09 1 3 135 305 -245 082056047 M16M15M15 000 66 02 06 -16.2 -19.1 29.09 4 5 179 349 -370 078061044 M15M15M15 000 69 02 09 -18.0 -22.6 29.11 9 10 200 10 -346 068067047 M15M15M15 000 72 02 12 -18.2 -23.5 29.12 8 10 213 23 -464 064044049 M14M15M15 000 75 02 15 -18.5 -23.8 29.17 7 9 216 26 -285 063042048 M15M15M16 000 78 02 18 -18.7 -23.2 29.19 9 12 208 18 -045 068041055 M14M14M15 000 81 02 21 -16.0 -19.7 29.22 3 9 207 17 -151 073054074 M14M14M15 000 84 03 00 -14.5 -17.7 29.25 1 5 29 199 -161 077053065 M14M14M14 000 87 03 03 -13.7 -17.7 29.26 2 6 243 54 -091 072042047 M12M13M14 000 90 03 06 -15.3 -20.4 29.30 5 7 216 26 -088 065045046 M13M14M14 000 93 03 09 -16.9 -22.9 29.31 8 9 215 26 -055 060042035 M13M14M14 000 96 03 12 -16.7 -23.3 29.30 8 10 221 31 -139 057033032 M13M13M13 000 99 03 15 -16.6 -23.2 29.30 8 9 221 32 -009 057029033 M12M13M13 000 102 03 18 -16.5 -23.3 29.28 8 9 213 24 006 057028030 M12M12M13 000 105 03 21 -14.4 -21.3 29.24 5 6 183 353 023 056028028 M12M13M13 000 108 04 00 -14.3 -18.7 29.22 7 10 153 323 008 069033034 M13M14M14 000 111 04 03 -14.9 -19.2 29.19 5 9 159 330 003 070034036 M14M15M16 000 114 04 06 -16.6 -21.5 29.17 5 7 178 348 -016 066036035 M14M15M16 000 117 04 09 -17.3 -22.9 29.15 4 6 187 358 -004 062038036 M15M16M16 000 120 04 12 -17.5 -23.4 29.11 4 5 181 352 013 060040034 M16M16M17 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.