USAP Williams Field (NZWD) (lat, lon) = (-77.870, 167.028) Forecast initialized at 2025092812 AMPS 0p89km 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 28 12 -23.1 -31.6 29.34 3 3 330 137 -000 047029044 M23M16M14 000 01 28 13 -25.5 -32.8 29.36 3 3 177 344 009 051027040 M19M16M14 000 02 28 14 -30.2 -34.9 29.35 7 7 196 3 -028 064030036 M20M17M16 000 03 28 15 -27.9 -34.1 29.37 4 4 47 214 068 056028036 M19M17M16 000 04 28 16 -28.5 -33.7 29.34 8 9 18 185 -030 061024037 M17M16M16 000 05 28 17 -28.5 -33.0 29.37 6 7 82 249 008 065024038 M18M16M16 000 06 28 18 -29.5 -33.8 29.37 7 9 85 252 015 066020041 M20M17M14 000 07 28 19 -28.8 -34.0 29.38 4 7 59 226 013 061024042 M20M16M14 000 08 28 20 -28.9 -34.1 29.37 5 9 14 181 -012 061021036 M20M17M16 000 09 28 21 -27.2 -33.7 29.39 10 13 46 213 018 054052031 M18M18M18 000 10 28 22 -26.5 -32.7 29.38 8 11 15 182 032 056053032 M18M18M18 000 11 28 23 -25.1 -31.5 29.37 7 10 345 152 047 055048028 M17M18M18 000 12 29 00 -21.4 -29.9 29.36 5 7 344 151 -017 046042022 M18M18M19 000 13 29 01 -22.5 -31.5 29.36 4 6 38 205 025 044039030 M18M19M19 000 14 29 02 -22.2 -31.8 29.35 4 6 26 193 -019 042036037 M18M18M19 000 15 29 03 -21.7 -32.1 29.36 3 4 2 169 -005 038031037 M17M18M19 000 16 29 04 -20.8 -32.5 29.34 2 2 41 208 -049 034059038 M18M18M19 000 17 29 05 -21.6 -31.8 29.32 4 15 104 271 -080 039061042 M18M18M19 000 18 29 06 -23.3 -30.8 29.31 4 4 90 257 009 050055045 M18M18M19 000 19 29 07 -24.3 -31.9 29.31 5 6 46 213 -014 049053045 M18M18M18 000 20 29 08 -24.4 -31.2 29.31 4 5 54 221 023 053056046 M18M18M18 000 21 29 09 -24.6 -30.3 29.29 4 4 46 213 -020 059067043 M18M18M18 000 22 29 10 -24.3 -29.6 29.28 4 4 53 221 -020 061080048 M18M18M18 000 23 29 11 -24.3 -29.3 29.28 4 4 23 190 005 063073050 M18M18M18 000 24 29 12 -24.1 -27.5 29.28 3 5 27 194 002 073064046 M17M18M17 000 25 29 13 -24.7 -26.6 29.29 5 5 47 214 059 084073047 M18M18M18 000 26 29 14 -24.3 -24.1 29.28 5 5 29 196 -043 101077041 M18M19M19 000 27 29 15 -23.4 -24.1 29.28 2 3 53 220 -018 094067047 M18M18M18 000 28 29 16 -23.8 -24.1 29.28 3 3 47 214 004 097070045 M18M19M19 000 29 29 17 -23.7 -23.7 29.28 2 3 93 260 -014 100075048 M18M19M19 000 30 29 18 -24.9 -24.8 29.28 5 5 52 219 009 101072049 M18M18M18 000 31 29 19 -25.2 -25.8 29.28 4 5 39 206 028 095076048 M18M19M18 000 32 29 20 -25.0 -25.9 29.29 5 6 50 217 023 092073052 M18M18M18 000 33 29 21 -25.4 -27.0 29.29 5 6 63 230 023 087068051 M19M18M18 000 34 29 22 -27.1 -29.5 29.29 7 8 80 247 -005 080060047 M19M17M18 000 35 29 23 -27.4 -29.9 29.30 6 8 72 239 004 079058048 M19M18M17 000 36 30 00 -26.7 -29.3 29.29 5 6 65 232 017 079054049 M19M17M17 000 37 30 01 -25.5 -28.2 29.28 4 5 66 233 012 078047026 M18M16M16 000 38 30 02 -24.0 -26.7 29.28 3 3 81 248 015 078043024 M16M16M16 000 39 30 03 -23.5 -26.3 29.26 1 2 120 287 007 077040031 M16M15M15 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 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.