USAP Williams Field (NZWD) (lat, lon) = (-77.870, 167.028) Forecast initialized at 2025092212 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 22 12 -17.2 -22.3 29.10 7 8 130 297 -001 077074077 M20M19M20 000 01 22 13 -21.0 -23.8 29.11 8 12 93 260 180 079072078 M19M19M21 001 02 22 14 -21.2 -23.8 29.09 10 26 87 254 -224 080075077 M19M20M21 000 03 22 15 -20.3 -23.5 29.12 15 19 94 261 -011 076070096 M20M21M21 001 04 22 16 -20.9 -23.9 29.15 16 31 80 247 190 076075077 M22M22M22 005 05 22 17 -21.3 -25.0 29.15 14 29 85 252 166 072074082 M21M22M22 003 06 22 18 -21.4 -25.2 29.16 16 27 84 251 -075 071069075 M20M21M22 000 07 22 19 -20.7 -25.0 29.15 17 30 69 236 068 068068083 M22M22M22 000 08 22 20 -21.0 -24.5 29.14 14 23 73 240 -153 073070079 M21M21M22 000 09 22 21 -21.4 -24.6 29.13 12 21 54 221 -032 076072080 M21M21M22 000 10 22 22 -20.5 -24.0 29.12 12 18 66 233 -006 073072080 M20M21M22 000 11 22 23 -20.5 -23.7 29.12 9 21 79 246 013 076072078 M19M20M22 000 12 23 00 -20.3 -23.3 29.13 5 7 30 197 010 077076081 M20M21M22 000 13 23 01 -20.0 -22.8 29.13 3 6 15 182 028 079072085 M20M21M22 001 14 23 02 -18.6 -21.7 29.10 7 8 17 184 -003 077075086 M19M20M21 003 15 23 03 -18.1 -21.3 29.11 8 9 24 191 005 076076079 M19M20M21 003 16 23 04 -18.0 -21.0 29.09 5 9 7 174 006 078076080 M18M19M21 001 17 23 05 -17.8 -21.2 29.05 7 8 336 143 135 075071076 M17M18M20 003 18 23 06 -17.8 -21.7 29.04 5 7 311 118 -011 071069084 M17M18M20 001 19 23 07 -19.4 -22.2 29.03 5 5 140 307 151 078067077 M17M18M19 000 20 23 08 -19.2 -22.4 29.02 4 4 152 319 061 076061081 M16M18M19 000 21 23 09 -19.0 -22.8 29.01 6 7 172 339 120 072055078 M16M17M18 000 22 23 10 -19.8 -23.0 29.01 5 5 198 5 189 076058058 M16M17M19 000 23 23 11 -19.8 -22.9 28.99 5 6 222 29 016 076056048 M16M17M19 000 24 23 12 -20.2 -23.0 28.99 7 7 163 330 016 078048051 M16M17M18 000 25 23 13 -19.7 -22.8 28.98 8 8 128 295 017 077047056 M16M17M18 000 26 23 14 -21.1 -24.0 28.97 5 7 26 193 -092 077041051 M16M16M18 000 27 23 15 -20.5 -23.9 28.97 4 7 67 234 061 074047049 M18M17M18 000 28 23 16 -21.1 -24.6 28.96 3 6 75 242 -001 073041049 M19M18M17 000 29 23 17 -23.4 -27.1 28.98 6 12 77 244 -019 071042052 M19M18M17 000 30 23 18 -23.5 -27.3 28.99 10 12 9 176 -097 071046051 M20M19M19 000 31 23 19 -23.6 -27.5 29.01 10 15 28 195 -055 070046049 M21M19M19 000 32 23 20 -23.6 -28.0 29.02 11 15 34 201 -036 067045052 M21M18M19 000 33 23 21 -24.2 -28.5 29.02 8 11 31 198 062 067045055 M20M18M20 000 34 23 22 -24.2 -28.8 29.03 5 9 22 189 097 066047054 M20M18M20 000 35 23 23 -23.7 -28.7 29.03 4 16 19 186 136 064037046 M18M18M19 000 36 24 00 -23.0 -28.0 29.05 6 18 8 175 039 064033045 M19M17M18 000 37 24 01 -22.4 -27.4 29.06 6 25 48 215 -041 064032045 M18M18M19 000 38 24 02 -19.9 -25.9 29.05 15 27 165 332 -049 059031037 M17M17M18 000 39 24 03 -19.3 -25.8 29.06 15 27 166 333 128 056029037 M17M17M18 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.