USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026011212 WRF 2.67-km 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 12 12 -13.2 -16.1 28.64 8 8 136 347 -001 080060037 M13M12M12 000 01 12 13 -16.4 -18.1 28.66 8 9 127 338 -007 087052035 M12M11M11 000 02 12 14 -15.7 -17.9 28.69 7 10 130 341 -010 083051035 M11M11M11 000 03 12 15 -15.2 -17.8 28.68 8 11 127 338 -016 080050036 M11M11M11 000 04 12 16 -14.8 -17.8 28.69 7 10 124 335 -006 078049038 M11M11M11 000 05 12 17 -14.2 -17.6 28.68 8 11 118 329 -003 076048035 M11M11M11 000 06 12 18 -13.7 -17.3 28.69 7 10 118 329 003 075047031 M11M11M11 000 07 12 19 -13.3 -16.9 28.70 7 10 118 329 -008 074046031 M11M11M11 000 08 12 20 -12.8 -16.5 28.72 7 9 114 325 -006 073046032 M10M10M11 000 09 12 21 -12.3 -16.2 28.71 6 9 118 329 -006 073044030 M10M10M11 000 10 12 22 -12.0 -15.7 28.72 7 10 123 334 012 074044027 M10M10M10 000 11 12 23 -11.8 -15.3 28.72 7 10 126 337 -016 075043026 M10M10M10 000 12 13 00 -11.7 -15.3 28.73 7 10 119 330 -009 075042026 M10M10M10 000 13 13 01 -11.7 -15.2 28.73 7 10 112 323 -012 075041025 M10M10M10 000 14 13 02 -11.7 -15.6 28.73 7 10 110 321 007 073039026 M10M09M10 000 15 13 03 -11.9 -16.0 28.74 7 10 107 318 011 071038025 M09M09M10 000 16 13 04 -12.1 -16.6 28.75 7 10 100 311 004 069038026 M09M09M10 000 17 13 05 -12.3 -17.2 28.74 7 10 92 303 -008 067037027 M09M09M10 000 18 13 06 -12.6 -17.7 28.73 7 10 86 297 005 066036030 M08M09M10 000 19 13 07 -12.8 -18.0 28.73 7 9 77 288 000 065036030 M08M09M09 000 20 13 08 -13.1 -18.3 28.74 8 10 68 279 -010 065035030 M08M09M09 000 21 13 09 -13.2 -18.6 28.74 8 10 63 274 -004 064033032 M08M08M09 000 22 13 10 -13.2 -18.5 28.74 8 10 56 267 008 065031059 M08M08M09 000 23 13 11 -12.9 -16.9 28.73 8 10 50 261 012 072035087 M07M08M09 000 24 13 12 -12.6 -15.2 28.73 8 10 43 253 -000 081060097 M07M08M09 000 25 13 13 -12.2 -13.7 28.74 8 11 35 246 002 089077100 M07M08M09 000 26 13 14 -11.4 -12.3 28.75 9 12 27 238 003 094087093 M07M08M08 000 27 13 15 -10.6 -11.1 28.74 9 14 19 230 005 096093092 M07M08M09 000 28 13 16 -9.2 -9.6 28.74 9 14 16 227 012 097099090 M07M08M09 001 29 13 17 -7.8 -8.0 28.74 10 15 10 221 010 098100091 M07M08M09 001 30 13 18 -7.1 -7.4 28.75 10 14 13 224 018 098100097 M07M08M09 001 31 13 19 -7.0 -7.4 28.75 11 16 12 223 018 097099093 M07M08M09 004 32 13 20 -7.1 -7.2 28.76 12 17 2 213 029 099099087 M08M09M10 005 33 13 21 -6.7 -7.1 28.76 11 14 9 220 027 097098084 M08M09M10 002 34 13 22 -7.0 -7.2 28.76 12 16 8 219 014 099097086 M08M09M10 002 35 13 23 -7.2 -7.3 28.76 12 16 9 220 009 099096082 M08M09M10 001 36 14 00 -7.3 -7.5 28.77 11 17 9 220 003 099096082 M08M09M10 000 37 14 01 -7.5 -7.7 28.78 11 16 13 224 004 099093082 M08M09M10 000 38 14 02 -7.8 -8.0 28.77 11 16 17 228 -004 099093082 M09M09M10 000 39 14 03 -8.1 -8.2 28.77 11 16 19 230 -007 099093082 M09M09M10 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 1h) 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.