USAP Williams Field (NZWD) (lat, lon) = (-77.870, 167.028) Forecast initialized at 2025092112 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 21 12 -21.5 -26.9 29.09 4 4 236 43 001 074064067 M21M18M17 000 01 21 13 -25.0 -28.9 29.08 3 3 206 13 -126 070063071 M20M18M17 000 02 21 14 -27.0 -30.6 29.08 7 7 198 5 025 071058073 M18M17M17 000 03 21 15 -26.5 -29.6 29.05 6 7 186 353 053 075055083 M18M16M16 001 04 21 16 -25.4 -28.4 29.06 6 6 187 355 042 076055086 M18M16M16 001 05 21 17 -24.1 -26.7 29.04 7 7 189 356 043 079062087 M17M15M16 001 06 21 18 -22.9 -25.3 29.08 9 11 192 359 106 081067084 M18M16M16 004 07 21 19 -21.3 -23.6 29.05 5 7 177 344 045 082067086 M16M15M15 004 08 21 20 -20.9 -23.2 29.03 7 8 190 357 083 082072086 M17M15M16 007 09 21 21 -19.4 -22.2 29.02 3 3 238 45 062 078071088 M15M15M16 005 10 21 22 -19.4 -22.1 29.04 5 6 58 225 -016 079073082 M14M16M17 001 11 21 23 -18.8 -21.2 29.04 10 14 74 241 003 082078091 M15M16M17 002 12 22 00 -18.6 -21.0 29.04 11 15 91 258 020 082075091 M16M16M17 003 13 22 01 -18.9 -21.4 29.06 11 14 88 255 014 081077093 M17M16M17 002 14 22 02 -19.1 -21.8 29.05 11 15 92 259 055 079078094 M17M17M17 001 15 22 03 -19.1 -21.9 29.07 12 19 89 256 054 079077091 M17M17M18 001 16 22 04 -19.2 -22.0 29.08 14 18 84 251 011 078070086 M17M17M18 001 17 22 05 -19.8 -22.6 29.07 14 18 66 233 -012 079073090 M18M17M18 000 18 22 06 -20.0 -22.8 29.08 12 18 80 247 019 079074088 M18M17M18 001 19 22 07 -20.3 -23.3 29.10 12 17 82 249 037 077072087 M18M17M19 000 20 22 08 -20.6 -23.5 29.09 11 15 68 235 -024 077075081 M19M18M19 000 21 22 09 -20.8 -23.6 29.10 10 18 59 226 -010 078075085 M19M19M19 001 22 22 10 -21.4 -24.1 29.10 10 15 67 234 086 079074089 M19M18M19 001 23 22 11 -21.3 -24.3 29.10 10 16 85 252 003 077071088 M18M18M19 001 24 22 12 -21.2 -24.1 29.09 9 13 78 245 019 078070086 M17M18M19 001 25 22 13 -21.2 -23.8 29.11 8 11 38 205 017 079073093 M19M18M19 001 26 22 14 -21.0 -23.6 29.12 10 14 61 228 -007 080076088 M18M18M20 002 27 22 15 -21.4 -24.0 29.13 8 11 69 236 -007 079072085 M18M18M20 001 28 22 16 -21.5 -24.2 29.13 8 11 57 224 -055 079075085 M19M19M20 001 29 22 17 -21.7 -24.4 29.11 10 12 56 223 025 079074087 M19M19M20 000 30 22 18 -21.9 -24.6 29.13 8 11 54 221 089 079071089 M19M19M20 001 31 22 19 -22.1 -24.8 29.13 8 12 73 240 009 079072091 M19M19M20 001 32 22 20 -22.2 -24.9 29.12 8 11 56 223 020 079081088 M19M20M20 001 33 22 21 -22.0 -24.7 29.12 9 12 46 213 038 079083086 M20M20M21 003 34 22 22 -21.1 -23.8 29.10 9 11 27 194 042 079076084 M19M19M20 002 35 22 23 -18.3 -21.8 29.09 5 19 29 196 022 074077087 M18M19M21 002 36 23 00 -17.8 -21.0 29.10 4 7 69 236 058 076079086 M19M20M20 005 37 23 01 -17.9 -20.6 29.08 5 7 13 180 006 080078086 M18M19M19 008 38 23 02 -17.5 -20.5 29.05 7 10 27 194 040 077075086 M17M18M20 003 39 23 03 -17.0 -21.0 29.03 7 7 26 193 092 071073076 M17M18M20 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.