USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026020112 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 01 12 -7.4 -11.3 28.98 8 8 0 211 -009 080073090 M06M07M07 000 01 01 13 -10.1 -12.6 28.97 8 11 14 225 -015 082073091 M06M06M07 000 02 01 14 -10.0 -12.6 28.97 8 12 17 228 -017 082079094 M06M06M07 001 03 01 15 -9.7 -12.1 28.96 9 13 26 237 -010 082088094 M06M07M08 001 04 01 16 -9.4 -11.8 28.95 9 14 28 239 026 083092093 M06M07M08 001 05 01 17 -9.1 -11.4 28.95 10 15 26 237 018 084097095 M06M07M08 000 06 01 18 -8.8 -11.0 28.95 10 15 25 236 030 084100093 M06M07M08 000 07 01 19 -7.4 -9.8 28.93 9 14 23 234 037 083098094 M06M07M08 000 08 01 20 -7.0 -9.3 28.94 9 12 15 226 024 084099096 M07M07M08 000 09 01 21 -6.6 -8.3 28.93 9 13 10 221 017 088100092 M07M08M09 000 10 01 22 -6.4 -7.3 28.92 9 13 10 221 012 093096091 M07M08M09 000 11 01 23 -6.2 -6.8 28.91 10 15 9 220 000 095099093 M07M08M08 000 12 02 00 -6.0 -6.7 28.90 11 15 360 211 -022 095097099 M07M08M08 000 13 02 01 -6.2 -6.7 28.90 12 16 355 206 -029 096099098 M08M08M08 000 14 02 02 -6.6 -6.9 28.90 11 15 355 206 -005 098094100 M07M07M08 000 15 02 03 -6.4 -6.8 28.90 10 14 355 206 005 098092100 M07M07M08 000 16 02 04 -6.5 -6.8 28.89 10 14 359 210 025 098094100 M07M07M08 000 17 02 05 -6.4 -6.8 28.88 8 11 359 210 019 097093100 M06M07M08 000 18 02 06 -6.6 -6.9 28.88 8 11 358 209 -012 097096100 M07M07M08 000 19 02 07 -6.8 -7.2 28.88 8 11 10 221 -010 097094100 M06M07M07 000 20 02 08 -6.9 -7.4 28.87 7 11 16 227 024 097097100 M06M07M08 000 21 02 09 -7.0 -7.5 28.87 7 10 22 232 038 096094100 M06M07M08 000 22 02 10 -7.1 -7.6 28.86 7 11 32 243 025 097093100 M07M07M07 000 23 02 11 -7.2 -7.5 28.85 8 12 32 243 030 098091100 M06M07M07 000 24 02 12 -6.9 -7.5 28.85 9 14 32 243 051 096092100 M06M07M07 002 25 02 13 -6.7 -7.2 28.85 11 16 31 242 059 096091099 M06M07M07 003 26 02 14 -6.4 -6.7 28.84 12 17 30 241 043 098092095 M06M06M07 003 27 02 15 -6.1 -6.4 28.85 12 17 30 241 013 098095096 M05M06M06 001 28 02 16 -5.8 -6.0 28.84 12 17 32 243 010 099094100 M05M06M06 001 29 02 17 -5.7 -5.9 28.83 11 16 32 243 045 099094095 M05M05M06 001 30 02 18 -5.4 -5.7 28.82 10 15 27 238 031 098099093 M05M06M06 003 31 02 19 -4.6 -4.7 28.82 10 15 29 240 049 099099096 M05M06M06 013 32 02 20 -3.9 -4.1 28.81 10 17 33 244 035 098099094 M05M05M06 028 33 02 21 -4.0 -4.5 28.81 13 19 33 244 029 097097093 M05M06M06 043 34 02 22 -4.5 -5.0 28.81 11 14 22 233 021 097100096 M06M06M06 051 35 02 23 -4.5 -4.8 28.80 11 13 24 235 011 098100095 M06M06M07 057 36 03 00 -4.5 -4.7 28.79 11 15 20 231 006 099098094 M06M06M07 061 37 03 01 -4.3 -4.5 28.78 12 18 9 220 -000 098094091 M06M06M07 061 38 03 02 -4.0 -4.3 28.78 13 18 4 215 003 098095094 M06M06M06 054 39 03 03 -3.7 -4.1 28.77 13 16 351 202 009 098096094 M05M06M06 046 * 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.