USAP Williams Field (NZWD) (lat, lon) = (-77.870, 167.028) Forecast initialized at 2025091912 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 19 12 -24.7 -31.6 28.61 3 5 30 197 -001 066072065 M27M23M22 000 01 19 13 -28.3 -32.4 28.62 2 3 18 185 -091 068076060 M25M23M22 000 02 19 14 -31.8 -34.3 28.63 5 5 174 341 -032 079078052 M25M23M22 000 03 19 15 -32.9 -35.3 28.64 4 4 179 346 048 079077042 M24M23M22 000 04 19 16 -33.0 -35.2 28.62 4 4 77 244 -075 080078028 M25M23M23 000 05 19 17 -36.4 -39.1 28.65 11 15 87 254 068 076077026 M26M24M23 000 06 19 18 -37.2 -40.2 28.67 12 18 13 180 -022 073061022 M26M25M24 000 07 19 19 -36.3 -39.0 28.67 10 15 4 171 -003 076023019 M25M24M24 000 08 19 20 -34.4 -36.8 28.67 3 8 27 194 026 078021023 M24M23M24 000 09 19 21 -33.4 -36.0 28.66 3 5 119 286 -019 078023024 M22M23M23 000 10 19 22 -31.0 -34.7 28.67 4 4 131 298 -020 070024027 M22M22M23 000 11 19 23 -29.8 -34.3 28.67 3 3 162 329 -002 065072029 M22M22M23 000 12 20 00 -28.8 -33.0 28.67 2 15 162 329 -007 067065031 M23M22M23 000 13 20 01 -28.8 -31.0 28.67 5 15 204 11 -008 082068030 M23M22M22 000 14 20 02 -32.3 -34.7 28.69 5 8 195 2 007 080062029 M22M22M22 000 15 20 03 -31.2 -33.9 28.70 5 7 187 354 -013 077063029 M22M22M21 000 16 20 04 -30.6 -33.3 28.72 2 4 166 333 -021 077069029 M22M22M22 000 17 20 05 -30.0 -31.8 28.70 2 3 130 297 014 084075030 M22M22M22 000 18 20 06 -29.7 -30.8 28.71 2 2 120 287 -006 090070030 M22M22M21 000 19 20 07 -30.0 -30.5 28.73 3 3 148 315 013 096064032 M22M21M21 000 20 20 08 -30.2 -30.4 28.74 2 3 140 307 014 099063030 M22M21M21 000 21 20 09 -30.1 -30.2 28.75 3 3 122 289 -002 099056030 M22M21M21 000 22 20 10 -29.5 -29.5 28.76 2 2 125 292 -006 100065029 M21M21M21 000 23 20 11 -29.4 -29.4 28.75 2 2 102 269 004 100077028 M21M21M21 000 24 20 12 -29.8 -29.9 28.78 3 3 99 266 003 099080029 M21M21M21 000 25 20 13 -30.1 -30.4 28.79 4 4 52 219 -007 098071029 M22M21M20 000 26 20 14 -29.0 -29.5 28.81 4 4 69 236 030 095074030 M21M21M20 000 27 20 15 -29.4 -30.0 28.83 4 4 64 231 008 095066029 M21M20M20 000 28 20 16 -28.5 -28.6 28.86 3 3 61 228 027 100060030 M21M20M20 000 29 20 17 -28.7 -28.7 28.88 4 4 73 240 028 100056033 M20M20M20 000 30 20 18 -28.2 -28.0 28.90 2 2 82 249 027 102052035 M20M20M20 000 31 20 19 -27.9 -27.6 28.92 2 2 117 284 010 103047044 M20M20M20 000 32 20 20 -27.9 -27.5 28.95 2 2 107 274 028 104042057 M20M20M20 000 33 20 21 -26.6 -26.8 28.97 1 2 191 358 021 098038069 M20M20M19 000 34 20 22 -26.7 -27.4 29.00 2 2 138 305 040 095043077 M20M20M19 000 35 20 23 -26.1 -26.9 29.03 1 2 143 310 009 093047084 M19M19M19 001 36 21 00 -25.0 -26.8 29.05 2 2 40 207 006 085055085 M19M19M18 001 37 21 01 -24.3 -27.6 29.07 3 3 53 220 010 074073084 M19M18M18 002 38 21 02 -23.9 -27.3 29.09 3 3 24 191 012 074080075 M18M18M19 001 39 21 03 -23.8 -27.4 29.12 4 26 29 196 065 072077073 M18M18M19 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.