USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025121900 WRF thwaites 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 00 -15.2 -18.9 28.64 13 13 178 29 012 075043025 M15M14M13 000 01 19 01 -15.1 -17.5 28.63 12 17 181 32 034 081041025 M15M14M13 000 02 19 02 -15.0 -17.3 28.62 12 17 187 37 044 082039026 M15M14M13 000 03 19 03 -15.2 -17.1 28.62 12 17 191 42 042 085040027 M15M14M13 000 04 19 04 -15.4 -17.1 28.63 13 17 192 43 027 087042028 M15M14M13 000 05 19 05 -15.7 -17.2 28.64 11 16 193 44 037 089044028 M15M14M13 000 06 19 06 -16.0 -17.2 28.64 10 14 196 47 030 090046029 M14M14M13 000 07 19 07 -16.3 -17.5 28.64 9 14 199 50 032 090049030 M14M14M13 000 08 19 08 -16.6 -17.9 28.64 9 13 203 54 044 090050030 M14M14M13 000 09 19 09 -16.9 -18.2 28.64 8 12 209 60 052 090050032 M14M14M13 000 10 19 10 -17.1 -18.4 28.64 8 12 211 62 035 090051030 M14M14M14 000 11 19 11 -17.2 -18.4 28.64 9 13 212 63 020 090051026 M14M13M13 000 12 19 12 -17.1 -18.3 28.63 9 13 210 61 026 091052025 M14M13M13 000 13 19 13 -16.8 -18.0 28.64 9 13 209 60 045 090052026 M13M13M13 000 14 19 14 -16.4 -17.7 28.65 8 12 209 60 047 090051026 M13M13M13 000 15 19 15 -16.0 -17.3 28.66 8 12 212 63 037 090049025 M13M13M13 000 16 19 16 -15.5 -16.8 28.67 7 11 216 67 029 090044024 M13M13M13 000 17 19 17 -14.9 -16.3 28.67 7 11 216 67 023 089038025 M12M12M13 000 18 19 18 -14.3 -15.8 28.68 8 13 219 70 011 089037024 M12M12M12 000 19 19 19 -13.8 -15.4 28.69 9 14 220 71 -007 088036024 M12M12M12 000 20 19 20 -13.3 -15.0 28.69 9 14 221 72 -006 087036024 M12M12M12 000 21 19 21 -12.8 -14.8 28.69 9 14 222 73 -014 085033025 M12M12M12 000 22 19 22 -12.5 -14.7 28.70 9 14 223 74 -011 084031028 M12M11M12 000 23 19 23 -12.2 -14.6 28.71 9 14 227 78 -021 082029029 M12M11M12 000 24 20 00 -12.0 -14.6 28.72 9 14 230 81 -036 081030032 M11M11M12 000 25 20 01 -11.9 -14.6 28.73 9 14 238 89 -040 080034033 M11M12M12 000 26 20 02 -12.4 -15.0 28.74 10 16 244 95 -018 081039027 M12M12M12 000 27 20 03 -12.6 -15.0 28.76 10 16 247 98 -009 082043025 M12M12M12 000 28 20 04 -12.9 -14.9 28.77 11 17 249 100 -021 085041027 M12M12M12 000 29 20 05 -13.3 -14.3 28.77 11 18 251 102 -032 092038027 M13M12M12 000 30 20 06 -13.4 -13.7 28.78 13 19 250 101 -039 098041025 M14M13M12 000 31 20 07 -13.1 -13.4 28.80 14 21 245 96 -045 098051023 M14M13M13 000 32 20 08 -13.1 -13.4 28.81 15 22 240 91 -100 098050024 M14M13M13 000 33 20 09 -13.4 -13.7 28.83 15 23 240 91 -104 098057028 M13M13M13 000 34 20 10 -13.9 -14.2 28.84 15 24 241 92 -137 097060033 M13M13M13 000 35 20 11 -14.2 -15.0 28.85 16 24 239 90 -151 094062042 M14M13M13 000 36 20 12 -14.5 -15.3 28.87 16 24 236 87 -204 094074043 M14M13M13 000 37 20 13 -14.5 -15.1 28.89 16 23 230 81 -204 095073042 M14M14M14 000 38 20 14 -14.0 -14.3 28.92 16 23 227 78 -199 098069047 M14M14M14 000 39 20 15 -13.9 -14.5 28.95 15 32 232 83 -188 095051044 M13M13M13 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 3h) 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.