USAP Williams Field (NZWD) (lat, lon) = (-77.870, 167.028) Forecast initialized at 2025092100 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 21 00 -19.6 -23.2 29.08 1 2 292 99 000 082064074 M21M20M19 000 01 21 01 -19.5 -22.3 29.10 3 5 9 176 179 078068074 M20M19M20 003 02 21 02 -18.8 -21.7 29.08 7 15 359 166 -011 078069061 M18M19M21 001 03 21 03 -18.5 -21.4 29.07 10 15 46 213 024 078070077 M18M19M19 000 04 21 04 -18.5 -22.8 29.08 11 25 63 230 -021 069069069 M17M18M19 000 05 21 05 -19.3 -23.0 29.06 8 21 54 221 040 073070077 M17M18M19 000 06 21 06 -20.8 -24.2 29.11 6 9 129 296 024 074074069 M18M19M20 000 07 21 07 -23.7 -26.3 29.10 9 14 72 239 -003 079070076 M20M19M20 000 08 21 08 -23.8 -26.5 29.12 3 5 11 178 019 079069079 M21M19M19 000 09 21 09 -24.0 -26.6 29.10 3 5 23 190 -015 079064074 M20M18M18 000 10 21 10 -24.6 -27.2 29.10 5 6 75 242 -010 079076070 M20M19M18 000 11 21 11 -24.2 -26.8 29.09 4 4 64 231 -012 079084069 M19M19M18 000 12 21 12 -24.0 -26.5 29.09 5 5 24 191 005 080077072 M18M18M18 001 13 21 13 -23.3 -25.6 29.08 4 4 78 245 016 082086076 M18M18M19 001 14 21 14 -22.9 -24.7 29.06 2 2 78 245 -030 085084082 M18M18M18 001 15 21 15 -22.4 -23.9 29.06 3 4 187 354 002 088083081 M18M18M17 001 16 21 16 -22.2 -23.4 29.06 3 3 159 326 003 090076082 M18M17M17 001 17 21 17 -21.0 -22.5 29.05 4 5 201 8 071 088076082 M18M17M17 003 18 21 18 -20.1 -21.8 29.07 1 1 161 328 029 086074087 M17M16M16 004 19 21 19 -20.3 -22.0 29.06 5 5 176 343 013 087077089 M17M16M16 004 20 21 20 -20.0 -21.9 29.03 5 6 183 350 021 085076085 M16M15M16 006 21 21 21 -19.8 -21.7 29.04 7 8 185 352 020 085074087 M17M15M16 005 22 21 22 -19.0 -21.0 29.03 6 7 178 345 065 084073086 M16M15M16 007 23 21 23 -18.1 -20.1 29.02 5 7 187 354 084 084077087 M16M15M16 010 24 22 00 -16.4 -18.7 29.03 3 15 18 185 -064 083079086 M14M15M17 013 25 22 01 -16.3 -19.2 29.04 8 29 149 316 152 079082073 M15M17M18 000 26 22 02 -17.7 -19.9 29.06 11 28 102 269 133 083060068 M15M16M17 000 27 22 03 -18.8 -21.2 29.08 10 14 97 264 -004 081073081 M16M17M18 000 28 22 04 -19.2 -21.8 29.08 16 20 96 264 114 080066067 M17M17M18 000 29 22 05 -19.9 -22.6 29.10 16 29 88 256 -055 079064069 M18M17M19 000 30 22 06 -20.2 -22.9 29.09 15 21 86 253 009 079066068 M18M18M19 001 31 22 07 -20.5 -23.2 29.11 14 19 86 253 038 079069073 M19M18M19 004 32 22 08 -21.1 -23.8 29.12 13 18 85 252 006 079070078 M20M20M20 004 33 22 09 -21.5 -24.3 29.14 13 27 77 244 048 078072072 M22M21M20 004 34 22 10 -22.0 -25.2 29.14 15 22 76 243 -038 075067073 M22M20M21 004 35 22 11 -22.6 -25.7 29.15 15 19 78 245 -082 076067077 M22M20M21 005 36 22 12 -22.8 -25.8 29.16 14 18 77 244 111 076069079 M22M20M21 005 37 22 13 -23.3 -26.2 29.16 14 19 85 252 136 077071082 M22M20M21 006 38 22 14 -23.6 -26.5 29.17 13 17 73 240 085 077071078 M21M20M21 006 39 22 15 -23.9 -26.8 29.16 14 18 74 241 177 077068071 M21M20M21 002 * 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.