USAP Cape Hallett (CPH) (lat, lon) = (-72.316667, 170.266667) Forecast initialized at 2026050312 WRF 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 03 12 -24.7 -26.6 28.94 4 4 226 36 -011 072087076 M26M27M27 000 03 03 15 -22.2 -26.2 28.96 4 4 133 303 -017 070072072 M23M24M24 007 06 03 18 -21.2 -24.8 28.99 5 6 140 310 008 073074075 M22M23M23 015 09 03 21 -20.8 -24.2 29.00 5 6 150 321 009 074076076 M22M23M23 030 12 04 00 -20.1 -23.6 29.06 5 5 155 326 003 074076076 M21M22M22 024 15 04 03 -19.6 -23.0 29.09 4 5 157 328 006 074076077 M21M21M22 017 18 04 06 -19.2 -22.6 29.12 4 5 147 318 009 074076077 M20M21M21 016 21 04 09 -18.9 -22.0 29.13 3 4 136 306 013 076078078 M20M20M21 034 24 04 12 -18.7 -21.8 29.16 3 4 123 293 002 077078078 M20M20M20 062 27 04 15 -18.5 -21.6 29.21 3 4 129 299 -002 077078079 M19M20M20 040 30 04 18 -18.4 -21.6 29.20 3 3 139 310 005 077079079 M19M20M20 021 33 04 21 -18.3 -21.4 29.23 3 3 171 341 011 077080080 M19M20M20 015 36 05 00 -18.4 -21.7 29.28 4 4 199 10 007 075078079 M19M19M20 010 39 05 03 -18.6 -22.3 29.34 4 4 214 24 -003 073076078 M19M19M20 004 42 05 06 -18.8 -23.5 29.38 6 6 244 54 000 067076075 M18M19M20 007 45 05 09 -19.1 -24.6 29.43 7 9 249 59 -039 062064069 M18M18M19 003 48 05 12 -19.0 -25.5 29.44 8 10 272 82 -071 057052066 M17M17M18 000 51 05 15 -19.0 -26.6 29.40 8 9 279 89 002 051042058 M16M17M17 000 54 05 18 -18.8 -27.5 29.33 7 8 278 88 012 047039047 M16M16M17 000 57 05 21 -18.7 -27.2 29.24 6 7 279 90 021 047041045 M16M16M17 000 60 06 00 -18.9 -26.3 29.14 5 8 266 77 011 052048040 M16M17M17 000 63 06 03 -19.3 -26.0 29.04 2 6 269 79 004 055054041 M17M17M18 000 66 06 06 -19.2 -24.9 28.97 1 5 352 162 004 060062049 M18M18M19 000 69 06 09 -19.1 -24.2 28.90 2 6 132 303 013 064070058 M19M19M19 000 72 06 12 -19.3 -23.6 28.85 5 8 171 341 027 068078069 M20M20M21 001 75 06 15 -18.9 -22.9 28.84 11 16 184 354 015 071081072 M21M21M22 008 78 06 18 -19.6 -24.7 28.82 12 14 185 356 011 064063075 M22M22M23 003 81 06 21 -19.2 -24.0 28.77 9 11 195 5 -001 066069065 M21M21M22 001 84 07 00 -18.3 -23.6 28.72 10 13 198 8 -016 063062059 M20M21M21 000 87 07 03 -18.1 -23.8 28.70 12 12 195 5 -008 061053050 M19M20M21 000 90 07 06 -18.3 -23.8 28.70 11 11 194 4 023 062054052 M19M20M21 000 93 07 09 -18.7 -23.9 28.73 8 8 194 4 014 064061059 M19M20M21 000 96 07 12 -19.0 -24.3 28.77 7 7 208 18 011 063061061 M19M20M21 000 99 07 15 -19.3 -25.0 28.81 6 6 235 45 003 061056060 M19M20M20 001 102 07 18 -19.2 -25.4 28.84 6 6 255 65 -005 058051058 M18M19M20 000 105 07 21 -19.2 -25.9 28.88 7 8 261 71 -023 056052062 M18M19M20 000 108 08 00 -18.8 -24.4 28.91 8 9 265 75 -015 061058072 M17M18M19 001 111 08 03 -18.9 -24.9 28.94 9 11 267 77 -025 059052067 M17M18M19 001 114 08 06 -19.2 -25.4 28.94 8 10 251 61 -050 058049065 M17M18M19 000 117 08 09 -20.5 -26.4 28.94 7 9 218 28 -021 059064065 M19M20M21 000 120 08 12 -21.0 -26.4 28.94 6 8 229 39 009 062074073 M20M20M21 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.