USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025122100 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 21 00 -13.6 -18.2 29.11 15 17 239 90 020 073047043 M14M14M14 000 01 21 01 -13.5 -17.1 29.12 14 23 248 99 -149 074043045 M14M14M14 000 02 21 02 -13.5 -16.7 29.12 13 22 253 104 -102 077038047 M13M13M14 000 03 21 03 -13.6 -16.5 29.13 12 20 255 106 -074 079040045 M13M13M14 000 04 21 04 -13.6 -16.4 29.14 10 18 255 106 -057 079037044 M12M13M14 000 05 21 05 -13.7 -16.5 29.15 9 14 255 106 -047 080037045 M12M13M14 000 06 21 06 -14.0 -16.7 29.16 7 10 257 108 -025 080038048 M12M13M14 000 07 21 07 -14.3 -17.1 29.15 6 9 263 114 008 079038046 M12M13M14 000 08 21 08 -14.4 -17.6 29.16 5 8 273 124 025 077040043 M13M13M14 000 09 21 09 -14.6 -18.2 29.16 5 7 289 140 027 074043040 M13M14M14 000 10 21 10 -15.0 -18.7 29.15 5 8 302 153 030 073041036 M13M14M14 000 11 21 11 -15.3 -18.8 29.15 6 9 309 160 029 075036034 M13M13M14 000 12 21 12 -15.5 -18.6 29.14 7 10 310 161 028 077035039 M13M13M14 000 13 21 13 -15.3 -18.6 29.14 7 11 306 157 030 076037052 M13M13M14 000 14 21 14 -15.0 -18.7 29.15 7 11 297 148 032 074049068 M13M13M14 000 15 21 15 -14.5 -18.7 29.16 6 10 285 136 033 070076084 M13M13M14 000 16 21 16 -13.9 -17.8 29.15 6 10 274 125 033 072095093 M13M13M14 000 17 21 17 -12.7 -15.5 29.16 6 8 262 113 029 079100091 M13M13M14 001 18 21 18 -11.6 -13.4 29.16 6 8 254 105 020 086100094 M13M13M14 002 19 21 19 -10.7 -12.1 29.15 8 8 240 91 013 090090087 M13M14M14 008 20 21 20 -10.8 -12.1 29.15 7 8 244 95 012 090089089 M13M13M14 020 21 21 21 -10.9 -11.5 29.16 8 9 238 89 011 096099096 M13M14M14 021 22 21 22 -10.6 -11.6 29.15 8 9 251 102 032 093099091 M12M14M14 018 23 21 23 -10.3 -11.2 29.15 6 8 246 97 026 094099092 M12M14M14 006 24 22 00 -10.4 -11.1 29.14 7 8 256 107 005 095098093 M12M13M14 004 25 22 01 -9.9 -10.7 29.14 7 8 258 109 -000 094100095 M12M13M14 002 26 22 02 -9.3 -10.5 29.13 7 8 260 111 004 091094095 M11M13M14 012 27 22 03 -9.4 -10.6 29.13 4 5 279 130 -009 091089087 M11M13M14 031 28 22 04 -10.2 -10.8 29.13 9 10 257 108 005 096091087 M12M13M14 048 29 22 05 -9.8 -11.0 29.12 4 6 271 122 017 091089082 M11M13M14 044 30 22 06 -10.2 -11.2 29.11 8 10 249 100 008 093093090 M12M13M14 039 31 22 07 -10.2 -10.8 29.11 6 7 266 117 017 096100091 M12M13M14 022 32 22 08 -10.4 -10.9 29.11 7 8 265 116 006 096099087 M12M13M13 015 33 22 09 -10.4 -11.1 29.11 6 7 254 105 004 095100087 M12M13M13 002 34 22 10 -10.9 -11.9 29.10 4 6 262 113 005 092094096 M12M13M13 003 35 22 11 -11.9 -12.8 29.09 4 6 261 112 -003 093097094 M12M13M14 004 36 22 12 -12.2 -13.2 29.08 4 5 249 100 012 093099093 M12M13M14 005 37 22 13 -11.3 -12.1 29.08 4 6 267 118 008 094091093 M12M13M14 008 38 22 14 -10.6 -11.6 29.08 5 6 254 105 -006 093092091 M12M13M14 034 39 22 15 -10.8 -11.8 29.08 5 5 210 61 003 092097092 M12M13M14 051 * 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.