USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026020212 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 02 12 -6.4 -7.0 28.84 11 12 9 220 -013 093094087 M07M07M07 000 01 02 13 -8.0 -8.6 28.84 9 14 20 231 033 096093088 M06M07M07 001 02 02 14 -7.5 -7.7 28.83 9 14 24 235 034 099100093 M06M07M07 002 03 02 15 -6.4 -6.5 28.83 9 14 29 240 012 099100094 M06M07M07 002 04 02 16 -5.8 -5.9 28.83 10 14 23 234 024 099100094 M06M07M07 001 05 02 17 -5.6 -5.8 28.83 9 12 26 237 019 099100095 M06M07M08 000 06 02 18 -5.9 -6.0 28.82 10 13 26 237 020 099100095 M06M06M07 000 07 02 19 -5.7 -5.8 28.82 9 14 21 232 019 099100097 M06M06M07 000 08 02 20 -5.4 -5.5 28.82 10 14 15 226 004 099100098 M06M06M07 002 09 02 21 -5.0 -5.0 28.82 9 13 8 219 011 100100098 M06M06M06 019 10 02 22 -4.4 -4.6 28.82 10 14 5 216 028 099096097 M06M06M06 038 11 02 23 -4.0 -4.3 28.81 10 14 2 213 019 098092095 M05M06M06 055 12 03 00 -3.7 -4.1 28.81 9 10 17 228 020 098093094 M05M06M06 054 13 03 01 -3.7 -4.1 28.80 9 12 36 247 011 097097092 M05M06M06 051 14 03 02 -3.8 -3.9 28.79 11 13 35 246 -007 099099091 M05M06M06 041 15 03 03 -3.6 -3.7 28.78 11 14 30 241 -014 100100092 M05M06M06 026 16 03 04 -3.8 -3.9 28.78 11 13 25 236 -007 100098094 M05M06M06 010 17 03 05 -4.0 -4.1 28.76 11 13 28 239 002 100094095 M05M05M05 001 18 03 06 -4.0 -4.1 28.75 11 13 27 238 -055 100094096 M05M05M05 000 19 03 07 -3.9 -4.0 28.75 8 11 33 244 -020 100092096 M05M05M05 000 20 03 08 -3.9 -4.0 28.74 7 9 42 253 -015 100090097 M05M05M05 000 21 03 09 -4.1 -4.2 28.73 7 9 53 264 -023 099087093 M05M04M05 000 22 03 10 -4.8 -4.9 28.71 7 8 65 276 001 099085087 M04M04M05 000 23 03 11 -5.3 -5.4 28.69 7 8 82 293 003 099084086 M03M04M05 000 24 03 12 -5.3 -5.4 28.67 7 8 96 307 -007 099083083 M03M04M05 000 25 03 13 -5.4 -5.5 28.66 7 9 103 314 -010 099082081 M03M04M04 000 26 03 14 -5.3 -5.4 28.66 9 12 106 317 -034 099083082 M03M04M04 000 27 03 15 -4.9 -5.0 28.65 10 13 105 316 -048 099076086 M03M03M03 000 28 03 16 -5.1 -5.3 28.63 9 14 110 321 004 099074086 M03M03M03 000 29 03 17 -5.0 -5.1 28.61 9 15 127 338 -003 099073079 M03M03M03 000 30 03 18 -4.7 -4.8 28.60 9 15 125 336 -002 100073077 M03M03M03 000 31 03 19 -4.6 -4.7 28.59 9 14 132 343 009 100071075 M02M03M03 000 32 03 20 -4.1 -4.2 28.58 10 13 138 349 -002 100070071 M02M02M03 000 33 03 21 -3.9 -3.9 28.58 10 16 140 351 017 100072069 M02M02M03 000 34 03 22 -3.7 -3.8 28.58 9 16 142 353 005 100072070 M02M02M02 000 35 03 23 -3.8 -3.9 28.58 9 11 144 355 -006 100068072 M02M02M02 000 36 04 00 -4.0 -4.1 28.58 7 9 151 2 -007 100063074 M02M02M02 000 37 04 01 -4.2 -4.3 28.57 7 7 157 8 -006 100062074 M02M01M02 000 38 04 02 -4.6 -4.6 28.57 6 7 153 4 -010 100061075 M01M01M02 000 39 04 03 -4.9 -5.1 28.58 4 6 143 354 007 099062075 M02M02M03 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.