USAP Cape Hallett (CPH) (lat, lon) = (-72.316667, 170.266667) Forecast initialized at 2025091912 AMPS 24km 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 -22.9 -31.0 28.55 5 6 259 70 -023 051048043 M22M22M21 000 03 19 15 -21.7 -25.5 28.58 2 3 50 220 -013 072045038 M21M20M21 000 06 19 18 -21.5 -24.9 28.58 1 2 51 222 -002 075050040 M21M21M21 000 09 19 21 -20.4 -24.1 28.58 2 4 135 305 -020 072054040 M21M21M21 000 12 20 00 -19.3 -23.2 28.60 3 7 153 323 -020 071063048 M21M21M22 000 15 20 03 -19.0 -22.4 28.66 4 7 159 329 -028 074073054 M20M21M22 000 18 20 06 -19.7 -22.6 28.70 4 7 162 333 -026 077077059 M21M22M22 001 21 20 09 -20.0 -23.0 28.74 4 8 157 327 -020 077073061 M21M21M22 000 24 20 12 -20.0 -23.2 28.75 3 7 153 323 -009 076069060 M21M21M21 000 27 20 15 -19.7 -23.0 28.82 3 6 147 317 -017 075067058 M21M21M21 000 30 20 18 -19.2 -22.4 28.86 3 5 134 304 -031 075064055 M20M20M20 000 33 20 21 -18.5 -21.8 28.92 3 6 130 300 -029 075066056 M20M20M20 000 36 21 00 -17.5 -21.2 29.00 4 6 143 313 -019 073066054 M19M19M19 000 39 21 03 -17.2 -20.9 29.04 5 7 150 320 -024 073067054 M19M19M20 000 42 21 06 -18.7 -21.8 29.10 6 10 178 348 038 077076057 M19M20M20 000 45 21 09 -18.9 -22.9 29.14 8 12 189 359 -022 070068057 M20M20M20 000 48 21 12 -19.0 -23.8 29.15 11 17 188 358 -028 066058051 M20M20M21 000 51 21 15 -19.4 -24.8 29.14 16 21 185 355 010 062050045 M21M21M21 000 54 21 18 -18.3 -24.9 29.11 18 23 186 356 015 057038035 M20M21M21 000 57 21 21 -16.2 -24.2 29.05 22 30 190 360 027 050036026 M19M20M20 000 60 22 00 -15.5 -23.3 29.00 27 35 190 0 040 051037023 M18M19M20 000 63 22 03 -15.7 -23.3 28.99 29 38 192 2 063 052036038 M18M19M20 000 66 22 06 -15.5 -23.0 28.97 27 37 195 5 061 053039041 M18M18M19 000 69 22 09 -15.4 -22.5 28.97 27 38 197 7 048 055044045 M17M18M19 000 72 22 12 -15.1 -22.3 28.94 26 37 202 12 032 054043048 M17M18M18 000 75 22 15 -15.7 -22.4 28.97 25 36 203 13 014 057046047 M17M18M19 000 78 22 18 -15.5 -22.1 28.99 22 33 204 15 024 057047050 M17M18M19 000 81 22 21 -15.4 -22.0 29.00 19 26 202 12 003 057048052 M18M18M19 000 84 23 00 -15.4 -21.9 29.03 15 20 202 12 -003 058049054 M18M19M19 000 87 23 03 -15.8 -21.6 29.04 12 15 197 7 -009 062052055 M18M19M20 000 90 23 06 -17.3 -22.3 29.04 10 12 197 8 -004 065055059 M19M19M20 000 93 23 09 -18.7 -23.3 29.03 7 7 234 44 005 067053057 M19M20M20 000 96 23 12 -19.3 -24.3 29.02 6 6 257 67 007 065055058 M19M20M21 000 99 23 15 -19.5 -24.5 29.03 5 6 264 75 003 064055062 M19M20M21 000 102 23 18 -19.9 -24.8 29.02 5 6 263 73 003 065058061 M19M20M21 000 105 23 21 -18.8 -23.9 29.00 3 4 263 73 006 064057058 M20M21M21 000 108 24 00 -17.8 -21.9 29.00 2 2 100 270 -001 070059056 M20M21M21 000 111 24 03 -17.3 -20.7 28.98 3 3 90 261 -004 075071057 M20M21M21 000 114 24 06 -17.9 -20.6 28.98 4 5 140 310 003 079080065 M20M21M22 000 117 24 09 -18.4 -22.0 28.99 8 10 170 341 013 073081074 M21M22M22 004 120 24 12 -18.3 -22.6 29.00 13 17 180 350 -006 069078074 M21M22M23 012 * 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.