USAP Williams Field (NZWD) (lat, lon) = (-77.870, 167.028) Forecast initialized at 2025092900 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 29 00 -19.6 -25.7 29.40 3 4 291 98 000 068037025 M19M17M16 000 01 29 01 -21.3 -26.0 29.35 3 4 176 343 -277 066032034 M18M15M15 000 02 29 02 -22.1 -26.9 29.32 2 2 153 320 -015 065033041 M18M16M15 000 03 29 03 -21.5 -26.9 29.32 3 3 181 348 -079 062036044 M17M16M15 000 04 29 04 -21.0 -26.8 29.35 3 3 82 249 -113 060045048 M18M16M15 000 05 29 05 -23.2 -27.6 29.33 7 7 43 210 -047 067052048 M18M17M15 000 06 29 06 -24.0 -28.9 29.33 7 8 42 209 049 064055046 M18M18M16 000 07 29 07 -24.8 -29.7 29.34 5 7 37 204 003 064054045 M18M17M17 000 08 29 08 -24.3 -29.5 29.33 5 6 27 194 004 062053048 M18M17M17 000 09 29 09 -23.9 -29.3 29.32 5 5 48 215 011 061048049 M17M17M17 000 10 29 10 -23.6 -29.2 29.31 5 6 32 199 -018 060050047 M17M17M17 000 11 29 11 -22.9 -28.2 29.29 4 4 4 171 025 062056046 M17M17M17 000 12 29 12 -22.3 -25.6 29.29 4 4 7 174 039 075057044 M17M18M18 000 13 29 13 -21.4 -24.0 29.28 4 6 295 102 066 080053044 M17M17M17 000 14 29 14 -22.6 -24.2 29.28 1 4 8 175 010 087054042 M17M17M17 000 15 29 15 -22.4 -24.2 29.29 1 5 20 187 -009 085059041 M18M18M18 000 16 29 16 -21.7 -22.8 29.29 4 5 185 352 004 090054041 M17M18M18 000 17 29 17 -23.7 -24.5 29.26 2 2 58 225 -028 093047043 M18M17M17 000 18 29 18 -23.3 -24.2 29.28 1 3 38 205 -013 092050049 M18M17M17 000 19 29 19 -27.1 -28.7 29.30 8 13 101 268 000 086055051 M18M18M17 000 20 29 20 -29.4 -32.2 29.29 7 13 85 252 006 076061052 M18M19M18 000 21 29 21 -28.4 -30.9 29.31 6 7 18 185 -011 079063053 M20M19M18 000 22 29 22 -27.1 -29.6 29.30 6 12 16 183 -003 079064052 M20M19M18 000 23 29 23 -26.2 -29.0 29.29 5 7 34 201 -005 077055050 M20M18M17 000 24 30 00 -25.3 -28.8 29.30 4 4 66 233 -006 072049046 M19M17M17 000 25 30 01 -24.0 -28.5 29.29 4 4 34 201 -014 066041031 M17M16M16 000 26 30 02 -22.5 -27.2 29.28 3 3 7 174 -021 066030020 M16M15M16 000 27 30 03 -20.8 -26.8 29.24 5 5 30 197 023 059023029 M14M14M15 000 28 30 04 -20.4 -26.8 29.26 4 5 316 123 025 057028059 M15M15M15 000 29 30 05 -22.4 -27.3 29.24 3 4 179 346 -028 064028074 M14M15M15 000 30 30 06 -22.1 -27.4 29.24 1 2 169 336 -011 062039079 M14M14M15 000 31 30 07 -21.3 -26.7 29.23 4 6 320 128 058 062051078 M13M14M15 000 32 30 08 -20.9 -25.0 29.22 5 21 124 291 078 070057072 M12M14M15 000 33 30 09 -21.2 -24.2 29.21 10 15 29 197 338 077055067 M12M14M15 000 34 30 10 -17.4 -22.6 29.20 6 6 67 234 -086 064045069 M13M14M15 000 35 30 11 -21.9 -25.1 29.19 4 6 111 278 -011 076048060 M13M14M14 000 36 30 12 -18.7 -23.5 29.18 11 24 64 231 071 066049066 M13M13M14 000 37 30 13 -18.6 -22.9 29.17 11 23 58 225 043 068051075 M13M14M14 000 38 30 14 -17.3 -22.2 29.18 6 6 83 250 048 066054075 M13M13M14 000 39 30 15 -17.4 -21.9 29.16 8 27 36 203 -032 068061077 M13M13M14 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.