USAP Cape Hallett (CPH) (lat, lon) = (-72.316667, 170.266667) Forecast initialized at 2026050300 WRF 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 03 00 -23.3 -27.2 29.03 4 4 276 86 -016 069073078 M24M26M27 000 03 03 03 -23.0 -26.9 29.01 5 7 116 286 -024 071071068 M23M24M25 002 06 03 06 -22.1 -26.6 29.02 7 12 124 295 -006 067050056 M23M24M24 001 09 03 09 -22.0 -27.7 29.02 6 10 128 298 003 060056066 M23M24M24 001 12 03 12 -21.8 -25.9 29.04 4 6 109 280 006 070071074 M23M23M24 008 15 03 15 -21.6 -25.6 29.03 2 4 62 232 020 070068075 M22M23M23 009 18 03 18 -21.1 -25.7 29.04 3 5 94 265 010 067062078 M22M22M23 007 21 03 21 -20.7 -25.1 29.05 3 5 98 268 020 068062076 M21M22M22 013 24 04 00 -20.5 -24.8 29.08 3 5 87 258 016 068063077 M21M21M21 012 27 04 03 -20.1 -24.5 29.15 4 6 108 278 012 068064077 M20M21M21 007 30 04 06 -19.8 -24.1 29.17 3 5 87 258 021 069069076 M20M20M20 007 33 04 09 -19.7 -23.0 29.20 3 5 83 254 009 075077080 M20M20M20 017 36 04 12 -19.3 -22.2 29.24 3 5 94 264 001 078080081 M19M20M20 028 39 04 15 -19.0 -21.8 29.27 4 6 101 271 001 079081081 M19M19M20 034 42 04 18 -18.8 -21.6 29.28 5 6 149 320 047 079081083 M19M20M20 034 45 04 21 -18.2 -21.2 29.33 5 9 150 321 -039 078080081 M18M19M19 037 48 05 00 -18.5 -22.1 29.38 6 12 178 348 -052 073069080 M17M18M18 014 51 05 03 -17.6 -21.3 29.44 4 10 206 17 -104 073070079 M17M17M18 004 54 05 06 -17.4 -21.0 29.50 2 7 225 35 -074 073072072 M17M17M18 005 57 05 09 -18.0 -22.6 29.53 3 6 246 56 -048 068055066 M16M16M17 001 60 05 12 -18.8 -25.0 29.52 7 8 217 27 -130 058053054 M16M16M17 000 63 05 15 -17.4 -25.7 29.47 6 7 228 38 -033 049044040 M15M16M16 000 66 05 18 -18.8 -26.5 29.39 10 11 210 20 -036 051038036 M14M15M16 000 69 05 21 -18.5 -26.6 29.28 9 10 212 23 025 050035034 M14M15M15 000 72 06 00 -18.7 -26.5 29.16 11 12 201 12 -027 050031032 M14M14M15 000 75 06 03 -19.0 -27.1 29.09 10 11 200 10 -042 049033032 M14M15M16 000 78 06 06 -18.5 -27.5 28.99 7 9 224 34 047 045032029 M16M16M16 000 81 06 09 -18.3 -27.8 28.90 5 6 200 10 117 043035027 M16M16M16 000 84 06 12 -19.7 -28.0 28.84 8 9 202 12 -025 048034029 M16M16M16 000 87 06 15 -20.3 -26.0 28.85 15 21 183 354 015 061041041 M17M18M18 000 90 06 18 -21.6 -27.4 28.84 6 7 200 11 -051 060039047 M19M20M20 000 93 06 21 -22.0 -28.0 28.82 4 5 1 171 -106 059052040 M22M21M21 000 96 07 00 -21.9 -28.0 28.80 2 4 264 74 -054 058043041 M21M21M22 000 99 07 03 -21.4 -29.7 28.78 3 5 217 27 000 047036031 M20M21M21 000 102 07 06 -20.7 -30.5 28.76 3 4 217 27 -046 041033025 M20M20M20 000 105 07 09 -21.3 -29.9 28.75 7 10 219 29 -104 047027027 M18M18M18 000 108 07 12 -20.6 -27.9 28.75 11 13 216 26 -147 053021027 M15M16M17 000 111 07 15 -19.6 -26.8 28.76 11 13 223 33 -116 054024051 M14M15M16 000 114 07 18 -18.6 -25.2 28.79 12 16 222 32 -142 057032059 M13M14M15 000 117 07 21 -18.7 -25.3 28.82 10 11 215 25 -186 057031050 M13M14M15 000 120 08 00 -19.2 -25.3 28.87 11 12 228 38 -140 059033040 M14M15M16 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.