USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026011300 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 13 00 -10.6 -16.9 28.75 5 6 143 354 -000 071052036 M11M11M11 000 01 13 01 -11.1 -15.1 28.75 5 5 145 355 004 072049035 M11M10M11 000 02 13 02 -11.2 -14.6 28.76 5 6 140 351 -009 076046032 M10M10M11 000 03 13 03 -11.3 -15.0 28.76 5 6 130 341 002 074043031 M10M10M10 000 04 13 04 -11.4 -15.9 28.76 6 7 117 328 -001 070042032 M09M09M10 000 05 13 05 -11.7 -16.6 28.76 6 7 98 309 -005 067043033 M09M09M10 000 06 13 06 -12.1 -16.9 28.76 7 8 80 291 000 067043034 M09M09M10 000 07 13 07 -12.4 -17.1 28.76 7 9 64 275 001 068041034 M09M09M10 000 08 13 08 -12.7 -17.3 28.76 7 9 57 268 -000 068040035 M08M09M10 000 09 13 09 -12.7 -17.8 28.76 7 8 54 265 -002 066039032 M08M09M09 000 10 13 10 -12.3 -18.4 28.76 6 6 54 265 -000 060037033 M08M09M09 000 11 13 11 -11.5 -18.6 28.75 5 5 58 269 011 056033045 M08M09M09 000 12 13 12 -11.5 -17.6 28.75 5 5 60 271 011 061032060 M08M09M09 000 13 13 13 -11.6 -16.0 28.75 6 6 57 268 -004 070052079 M08M08M09 000 14 13 14 -11.6 -14.4 28.75 8 9 51 262 -008 079070091 M08M08M09 000 15 13 15 -10.7 -12.6 28.75 8 11 41 252 002 086083097 M07M08M08 000 16 13 16 -9.9 -10.9 28.75 8 13 33 244 004 092093096 M07M08M09 000 17 13 17 -8.9 -9.6 28.75 8 13 25 236 014 095095097 M07M07M09 000 18 13 18 -8.2 -9.2 28.75 8 13 22 233 012 093096098 M06M07M08 000 19 13 19 -7.4 -8.2 28.76 8 12 16 227 013 094096093 M07M07M08 001 20 13 20 -6.0 -6.7 28.76 11 16 5 216 018 095093091 M07M07M08 040 21 13 21 -6.5 -6.6 28.76 12 17 6 217 026 099097092 M07M08M08 064 22 13 22 -6.4 -6.5 28.75 12 17 6 217 046 099094096 M07M08M08 068 23 13 23 -6.5 -6.6 28.75 12 18 8 219 042 099094091 M08M08M09 031 24 14 00 -6.6 -6.7 28.75 13 18 8 219 028 099096084 M08M08M09 006 25 14 01 -6.5 -6.6 28.76 13 18 7 218 017 099097079 M08M08M09 002 26 14 02 -6.5 -6.6 28.76 13 18 5 216 011 099098078 M08M08M09 000 27 14 03 -6.5 -6.6 28.76 12 17 2 213 010 099098081 M08M09M09 000 28 14 04 -6.5 -6.7 28.76 12 16 1 212 -000 099099082 M08M09M09 000 29 14 05 -6.5 -6.7 28.76 11 14 1 212 -011 099100083 M08M09M10 000 30 14 06 -6.7 -6.8 28.76 10 12 5 216 -010 099099084 M08M09M09 000 31 14 07 -6.8 -6.9 28.76 9 11 8 219 -009 099096084 M09M09M10 000 32 14 08 -7.0 -7.1 28.76 9 11 10 221 000 099097083 M09M09M09 000 33 14 09 -7.0 -7.2 28.76 9 11 9 220 -002 099098082 M09M09M09 000 34 14 10 -7.1 -7.2 28.76 9 11 7 218 -013 099095085 M09M09M09 000 35 14 11 -7.1 -7.3 28.75 9 11 2 213 -013 099092085 M09M09M09 000 36 14 12 -7.4 -7.5 28.75 8 10 5 216 -007 099085087 M09M08M09 000 37 14 13 -7.5 -7.6 28.75 8 10 5 216 -002 099081088 M09M08M09 000 38 14 14 -7.6 -7.7 28.76 7 9 3 214 004 099081088 M09M09M09 000 39 14 15 -7.6 -7.7 28.76 6 8 5 216 014 099087088 M08M09M10 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.