USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025121912 WRF 2.67-km 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 -16.1 -19.0 28.60 9 8 181 31 009 080059033 M15M14M14 000 01 19 13 -17.9 -20.2 28.63 6 8 170 21 049 082053029 M14M13M13 000 02 19 14 -17.4 -19.8 28.63 6 9 189 40 048 082054029 M13M13M13 000 03 19 15 -17.3 -19.6 28.63 6 10 195 46 049 082053029 M13M13M13 000 04 19 16 -16.8 -19.1 28.63 6 9 197 48 037 083052028 M13M13M13 000 05 19 17 -16.5 -18.6 28.63 6 9 199 50 026 084049026 M13M13M13 000 06 19 18 -16.1 -18.3 28.65 6 9 204 55 036 083047026 M13M13M13 000 07 19 19 -15.8 -17.9 28.65 6 9 212 63 031 083045025 M13M13M13 000 08 19 20 -15.3 -17.5 28.66 7 9 217 68 030 084042026 M13M13M13 000 09 19 21 -15.0 -17.2 28.66 8 11 218 69 041 083044027 M13M13M13 000 10 19 22 -14.7 -17.0 28.68 10 15 215 66 024 082048029 M14M13M13 000 11 19 23 -14.6 -16.9 28.68 10 15 219 70 005 083052028 M14M14M14 000 12 20 00 -14.6 -16.8 28.70 11 16 224 75 -004 084049028 M15M14M14 000 13 20 01 -14.6 -16.6 28.72 10 14 229 80 -012 085044027 M14M14M14 000 14 20 02 -14.7 -16.5 28.73 11 15 234 85 000 086045027 M15M14M14 000 15 20 03 -15.1 -16.3 28.75 12 18 242 93 -006 091049026 M15M14M14 000 16 20 04 -15.3 -15.6 28.76 13 20 245 96 -035 098052025 M15M15M14 000 17 20 05 -14.9 -15.2 28.77 13 20 240 91 -038 098053025 M15M15M14 000 18 20 06 -14.9 -15.2 28.78 14 21 240 91 -060 098052023 M15M15M14 000 19 20 07 -15.2 -15.8 28.79 15 23 237 88 -091 095051022 M15M15M14 000 20 20 08 -15.6 -16.4 28.83 16 24 237 88 -098 094053023 M15M15M14 000 21 20 09 -15.9 -16.7 28.84 17 26 235 86 -101 094059021 M15M15M15 000 22 20 10 -16.1 -17.3 28.86 17 27 234 85 -099 091061026 M15M15M15 000 23 20 11 -16.2 -17.3 28.87 17 27 235 86 -155 091055037 M15M15M15 000 24 20 12 -16.4 -17.4 28.88 18 28 234 85 -202 092069041 M15M15M15 000 25 20 13 -16.1 -17.7 28.93 19 30 223 74 -194 088062040 M15M15M15 000 26 20 14 -15.9 -17.4 28.97 17 27 228 79 -204 088055036 M15M15M14 000 27 20 15 -15.8 -17.6 28.99 17 28 233 84 -218 086054030 M15M14M13 000 28 20 16 -15.7 -17.8 29.02 17 32 234 85 -238 084044035 M14M13M14 000 29 20 17 -15.3 -17.5 29.04 17 31 235 86 -241 083042035 M14M13M14 000 30 20 18 -14.8 -17.2 29.07 15 27 236 87 -214 081039036 M13M13M14 000 31 20 19 -14.1 -17.0 29.10 13 25 237 88 -182 079037037 M13M13M14 000 32 20 20 -13.4 -16.9 29.12 12 23 239 89 -155 075037038 M13M13M14 000 33 20 21 -13.1 -16.4 29.14 12 22 250 101 -107 076038040 M13M13M14 000 34 20 22 -12.7 -16.3 29.15 11 18 254 105 -084 075040038 M13M13M14 000 35 20 23 -12.4 -16.1 29.16 10 14 257 108 -037 074039036 M13M13M14 000 36 21 00 -12.1 -15.7 29.17 7 10 258 109 -022 075040036 M13M13M14 000 37 21 01 -11.9 -15.6 29.19 6 8 269 120 -018 074037035 M12M13M14 000 38 21 02 -11.8 -15.9 29.19 5 7 283 134 -004 071036037 M12M13M14 000 39 21 03 -11.7 -15.7 29.20 5 8 297 148 007 072037035 M12M13M14 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.