USAP Williams Field (NZWD) (lat, lon) = (-77.870, 167.028) Forecast initialized at 2025091912 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 19 12 -24.7 -31.8 28.61 3 5 30 197 -000 066072065 M27M23M22 000 01 19 13 -28.3 -32.5 28.62 2 3 24 191 -080 068075060 M25M23M22 000 02 19 14 -31.8 -34.4 28.63 4 5 178 345 -027 078078051 M25M23M22 000 03 19 15 -32.9 -35.2 28.64 3 4 175 342 004 079076042 M24M23M22 000 04 19 16 -32.9 -35.2 28.62 4 4 79 246 -015 080077028 M25M23M23 000 05 19 17 -36.4 -39.1 28.65 10 16 87 254 027 076076026 M26M24M23 000 06 19 18 -37.1 -40.2 28.67 12 18 17 184 -008 073064022 M26M25M24 000 07 19 19 -36.3 -38.9 28.67 10 15 8 175 -014 076023020 M25M24M24 000 08 19 20 -34.2 -36.9 28.67 4 9 21 188 007 077021023 M24M23M24 000 09 19 21 -32.8 -35.7 28.66 2 5 102 269 -020 076023024 M22M23M23 000 10 19 22 -31.3 -35.0 28.67 3 4 125 292 -019 070031027 M22M22M23 000 11 19 23 -29.9 -34.4 28.68 3 3 163 330 -006 065069029 M22M22M23 000 12 20 00 -28.8 -33.0 28.67 2 15 159 326 002 067065031 M23M22M22 000 13 20 01 -29.1 -31.5 28.67 5 10 221 28 001 080061030 M22M22M22 000 14 20 02 -32.2 -34.7 28.69 5 8 188 355 002 078058030 M22M22M22 000 15 20 03 -31.1 -33.8 28.70 5 6 180 347 -004 077062029 M22M22M22 000 16 20 04 -30.5 -33.1 28.72 2 4 166 333 -018 078069029 M22M21M22 000 17 20 05 -29.8 -31.6 28.70 2 3 134 301 007 084075029 M22M22M22 000 18 20 06 -29.5 -30.7 28.71 2 2 125 292 -005 090070030 M22M22M21 000 19 20 07 -29.8 -30.3 28.73 3 3 147 314 012 095064031 M22M21M21 000 20 20 08 -30.0 -30.2 28.74 3 3 139 306 008 098061030 M22M21M21 000 21 20 09 -29.9 -30.0 28.75 3 3 126 293 005 099055030 M22M21M21 000 22 20 10 -29.4 -29.5 28.76 2 2 129 296 001 100064029 M21M21M21 000 23 20 11 -29.4 -29.4 28.75 3 3 107 274 003 100076028 M21M21M21 000 24 20 12 -29.7 -29.8 28.78 3 3 101 269 002 099080029 M21M21M21 000 25 20 13 -30.0 -30.3 28.79 4 4 60 227 -001 097074029 M22M21M20 000 26 20 14 -29.2 -29.8 28.81 3 4 71 238 022 094075030 M21M21M20 000 27 20 15 -29.3 -29.9 28.83 3 4 66 233 010 095066030 M21M20M20 000 28 20 16 -28.5 -28.6 28.86 3 3 65 232 026 099062031 M21M20M20 000 29 20 17 -28.6 -28.6 28.88 3 4 74 241 024 100057032 M20M20M20 000 30 20 18 -28.1 -28.0 28.90 2 3 85 252 024 101052036 M20M20M20 000 31 20 19 -27.8 -27.6 28.92 2 2 120 287 016 103045045 M20M20M20 000 32 20 20 -27.8 -27.5 28.95 2 3 111 278 028 103040057 M20M20M20 000 33 20 21 -26.6 -26.8 28.97 1 2 172 339 015 099037068 M20M20M20 000 34 20 22 -26.7 -27.4 29.00 1 2 138 305 031 094042077 M20M20M19 000 35 20 23 -26.1 -27.0 29.03 1 2 138 305 007 092047084 M19M19M19 001 36 21 00 -24.9 -26.8 29.05 2 2 41 208 006 084056086 M19M19M18 001 37 21 01 -24.2 -27.4 29.07 3 3 46 213 -002 075073084 M19M18M18 002 38 21 02 -23.9 -27.2 29.09 3 3 26 193 015 074080076 M18M18M19 001 39 21 03 -23.8 -27.3 29.12 4 18 28 195 021 072077073 M18M18M19 001 * 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.