USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025122200 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 22 00 -12.6 -13.5 29.13 11 12 243 94 015 087101073 M14M15M15 000 01 22 01 -12.1 -12.4 29.12 11 15 238 89 -033 098099074 M14M15M15 000 02 22 02 -12.0 -12.2 29.12 10 13 233 84 -025 099100074 M14M15M15 000 03 22 03 -11.9 -12.2 29.12 9 13 238 89 -003 098098070 M14M15M15 000 04 22 04 -11.9 -13.0 29.12 6 8 239 90 000 092094071 M13M14M15 001 05 22 05 -12.1 -13.1 29.12 5 7 263 114 005 093095071 M13M14M15 001 06 22 06 -12.4 -13.6 29.12 4 6 274 125 006 091091074 M13M14M15 002 07 22 07 -12.4 -13.8 29.11 7 9 291 142 -012 090091079 M13M14M15 005 08 22 08 -12.8 -13.1 29.12 8 11 273 124 009 098090082 M13M14M15 010 09 22 09 -12.2 -12.4 29.12 8 11 263 114 012 098092084 M14M14M15 013 10 22 10 -12.0 -12.3 29.11 8 10 259 110 -002 098093084 M14M14M15 011 11 22 11 -12.3 -12.5 29.10 7 9 250 101 001 099092087 M14M14M15 008 12 22 12 -12.3 -12.4 29.09 5 6 235 86 023 099098088 M13M14M15 006 13 22 13 -12.6 -12.7 29.09 5 5 225 76 025 099099091 M13M14M15 003 14 22 14 -12.5 -12.7 29.09 3 4 236 87 028 099098090 M13M14M15 001 15 22 15 -12.5 -12.6 29.09 2 3 225 76 017 100096091 M14M14M14 000 16 22 16 -12.4 -12.4 29.09 2 3 208 59 -004 100090091 M14M14M14 000 17 22 17 -12.2 -12.3 29.09 1 2 240 91 -022 100091090 M14M14M15 000 18 22 18 -11.9 -12.0 29.08 2 3 266 117 -018 100091084 M14M14M15 000 19 22 19 -11.7 -11.7 29.07 2 2 227 78 -004 100083071 M13M14M15 000 20 22 20 -11.6 -11.9 29.06 3 3 194 45 008 097066056 M13M14M14 000 21 22 21 -11.4 -12.6 29.06 4 4 150 1 009 091048050 M13M14M15 000 22 22 22 -11.5 -14.3 29.06 5 5 109 320 -012 080045046 M13M14M15 000 23 22 23 -11.5 -14.3 29.05 5 6 88 299 -007 080045042 M13M14M15 000 24 23 00 -11.6 -14.2 29.05 6 6 83 294 -015 081047042 M14M14M15 000 25 23 01 -12.1 -14.7 29.05 6 7 79 290 003 081045037 M14M14M15 000 26 23 02 -12.5 -15.1 29.05 6 7 84 295 004 081043035 M14M14M15 000 27 23 03 -12.8 -15.4 29.05 7 8 93 304 002 081040038 M14M14M15 000 28 23 04 -13.2 -15.6 29.05 7 8 100 311 -006 082040042 M15M15M15 000 29 23 05 -13.7 -16.0 29.04 7 8 105 316 -005 083039045 M15M15M15 000 30 23 06 -14.2 -16.3 29.04 7 9 108 319 001 084039047 M15M15M15 000 31 23 07 -14.8 -17.0 29.04 7 9 111 322 006 084041047 M15M15M15 000 32 23 08 -15.4 -17.7 29.04 7 10 116 327 012 083043048 M15M15M15 000 33 23 09 -15.8 -18.2 29.04 7 11 122 333 015 082044048 M15M15M16 000 34 23 10 -16.0 -18.4 29.04 8 11 129 340 019 082046048 M15M15M16 000 35 23 11 -16.3 -18.6 29.03 7 11 133 344 013 082047048 M15M16M16 000 36 23 12 -16.4 -18.6 29.03 7 10 138 349 020 083047048 M15M16M16 000 37 23 13 -16.3 -18.3 29.03 7 10 147 358 026 085046049 M15M16M16 000 38 23 14 -16.1 -18.1 29.03 7 10 156 7 026 085047051 M15M16M16 000 39 23 15 -15.8 -17.8 29.03 6 9 165 16 026 085050054 M15M16M16 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.