USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026061112 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 11 12 -30.5 -33.9 28.58 5 5 211 62 008 072066058 M28M25M24 000 01 11 13 -31.3 -34.2 28.56 4 6 202 53 001 076066053 M25M23M23 000 02 11 14 -30.7 -32.6 28.57 5 8 215 66 025 083067054 M25M24M23 000 03 11 15 -31.5 -32.6 28.53 6 9 223 74 -006 090068058 M25M24M23 000 04 11 16 -32.3 -32.8 28.57 6 9 223 74 -024 095068061 M25M24M24 000 05 11 17 -32.7 -32.9 28.55 6 9 221 72 -018 098068061 M25M24M24 000 06 11 18 -32.4 -32.4 28.55 5 9 231 82 -012 099069061 M25M24M24 000 07 11 19 -31.5 -31.6 28.57 5 8 247 98 -004 099069060 M25M24M24 000 08 11 20 -31.4 -31.4 28.57 5 8 268 119 -010 100072062 M25M24M25 000 09 11 21 -31.5 -31.6 28.59 6 9 278 129 -009 099074059 M25M25M25 000 10 11 22 -32.4 -33.1 28.59 6 10 282 133 -004 094074056 M26M25M25 000 11 11 23 -33.1 -34.6 28.60 6 10 289 140 -009 086075057 M27M26M26 000 12 12 00 -33.8 -35.9 28.61 6 10 271 122 -019 082082059 M27M26M26 000 13 12 01 -33.2 -36.6 28.61 6 10 261 112 -016 071080060 M28M27M27 000 14 12 02 -33.8 -38.2 28.62 6 10 254 105 -018 064097062 M28M28M27 000 15 12 03 -32.4 -36.6 28.64 5 9 262 113 -006 066100065 M28M28M27 000 16 12 04 -31.2 -33.0 28.64 5 7 285 136 -009 084086070 M28M27M27 000 17 12 05 -32.5 -35.6 28.65 6 9 296 147 -013 074065076 M27M27M27 000 18 12 06 -33.1 -35.7 28.66 6 10 291 142 -014 078068079 M27M27M27 000 19 12 07 -33.8 -35.3 28.67 7 11 290 141 -017 086072083 M27M27M27 000 20 12 08 -34.2 -35.3 28.67 7 11 288 139 -020 090074085 M27M27M28 000 21 12 09 -34.0 -35.0 28.68 6 10 278 129 -016 091079087 M27M27M28 000 22 12 10 -33.2 -34.5 28.69 5 9 261 112 -019 088083089 M27M27M28 000 23 12 11 -33.0 -34.9 28.70 4 8 243 94 -006 083079090 M28M27M28 000 24 12 12 -32.8 -34.5 28.71 4 6 225 76 013 085077091 M28M28M28 000 25 12 13 -32.7 -33.5 28.71 3 5 202 53 013 093079091 M28M28M28 000 26 12 14 -32.5 -32.8 28.72 2 4 171 22 001 098082091 M28M28M28 001 27 12 15 -32.2 -32.3 28.72 2 3 118 329 -010 099084088 M28M28M29 001 28 12 16 -32.2 -32.1 28.73 2 3 96 307 -001 101087087 M28M28M29 001 29 12 17 -32.4 -32.1 28.73 3 3 86 297 -001 103088090 M28M28M29 001 30 12 18 -32.7 -32.3 28.74 3 4 94 305 -000 103086092 M28M28M29 001 31 12 19 -33.0 -32.8 28.74 5 5 90 301 002 103083091 M28M28M29 001 32 12 20 -33.1 -33.1 28.74 5 6 83 294 000 100082091 M28M28M29 001 33 12 21 -33.7 -33.8 28.74 6 7 77 288 003 099082091 M28M28M29 001 34 12 22 -34.6 -34.8 28.74 7 8 73 284 000 098082089 M28M28M29 001 35 12 23 -35.7 -36.3 28.74 8 9 71 282 002 094080087 M28M28M29 001 36 13 00 -37.0 -37.2 28.73 9 10 69 280 000 098078085 M28M28M29 001 37 13 01 -37.8 -38.2 28.73 10 11 68 279 -004 096077085 M27M28M28 000 38 13 02 -37.7 -38.2 28.73 10 11 71 282 -001 095078084 M27M28M28 000 39 13 03 -37.4 -37.8 28.73 9 11 76 287 -005 096079083 M27M27M28 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.