USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026050212 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 -12.8 -18.1 28.44 15 17 82 293 -019 066038032 M09M07M07 000 01 02 13 -16.5 -19.9 28.40 18 30 74 285 -027 075040029 M10M08M08 000 02 02 14 -15.9 -19.3 28.41 21 34 69 280 -134 075041028 M09M08M09 000 03 02 15 -15.6 -19.0 28.41 23 37 69 280 -048 075041034 M09M09M09 000 04 02 16 -16.1 -19.3 28.42 24 40 62 273 -246 076041036 M10M09M09 000 05 02 17 -16.4 -19.2 28.43 24 39 58 269 -223 080045027 M11M10M09 000 06 02 18 -16.9 -19.8 28.43 24 36 56 267 -148 079043025 M12M11M10 000 07 02 19 -17.7 -20.3 28.45 22 33 56 267 -079 080038031 M11M10M10 000 08 02 20 -18.5 -20.9 28.47 20 29 48 259 -151 082054034 M10M10M11 000 09 02 21 -17.1 -18.7 28.49 19 29 34 245 -125 087082037 M12M11M11 000 10 02 22 -15.6 -16.4 28.52 19 29 27 238 -127 094074044 M13M11M11 000 11 02 23 -15.2 -16.0 28.56 19 27 29 240 -124 093074058 M14M12M11 000 12 03 00 -15.1 -16.1 28.58 14 23 36 247 -053 092084056 M13M13M13 000 13 03 01 -16.4 -17.9 28.61 14 20 48 259 -024 088072059 M14M13M13 000 14 03 02 -16.9 -18.2 28.62 13 19 58 269 -014 089069063 M14M12M13 000 15 03 03 -17.2 -18.2 28.64 11 17 54 265 -003 092066053 M12M12M13 000 16 03 04 -20.1 -22.6 28.66 11 17 67 278 135 080059046 M13M13M13 000 17 03 05 -20.4 -24.0 28.66 12 19 74 285 091 073039056 M12M12M13 000 18 03 06 -19.6 -24.3 28.67 12 17 82 293 125 066042063 M12M13M14 000 19 03 07 -19.0 -24.4 28.67 11 14 97 308 047 062043068 M12M13M14 000 20 03 08 -18.9 -24.6 28.66 11 15 100 311 063 061047067 M12M12M13 000 21 03 09 -18.2 -24.5 28.64 9 13 94 304 021 058048060 M11M11M13 000 22 03 10 -18.8 -24.9 28.62 9 13 93 304 007 059035046 M10M11M12 000 23 03 11 -19.0 -25.3 28.59 8 11 91 302 -021 058032040 M10M11M11 000 24 03 12 -15.5 -25.0 28.57 4 7 148 359 051 044032038 M10M11M12 000 25 03 13 -18.8 -25.2 28.57 8 13 122 333 050 057032040 M13M12M12 000 26 03 14 -16.1 -24.8 28.55 1 3 106 317 047 047033046 M12M12M13 000 27 03 15 -17.0 -24.0 28.56 5 5 339 190 089 055041074 M14M14M14 001 28 03 16 -18.3 -23.2 28.56 9 12 354 205 030 065054075 M15M15M14 006 29 03 17 -18.8 -22.6 28.56 10 13 341 192 069 072049058 M15M14M14 015 30 03 18 -18.8 -22.2 28.58 11 15 333 184 -018 075040059 M14M13M14 020 31 03 19 -19.4 -22.5 28.62 16 23 336 186 -005 077043059 M14M13M14 016 32 03 20 -20.7 -21.2 28.66 17 28 345 196 -006 096055066 M15M14M14 010 33 03 21 -20.3 -20.8 28.70 17 30 349 200 -007 096089065 M16M15M15 005 34 03 22 -20.8 -22.5 28.73 16 28 352 203 009 086075058 M16M15M15 004 35 03 23 -21.8 -24.4 28.77 16 28 4 215 -015 080061059 M16M15M16 002 36 04 00 -22.8 -25.4 28.81 16 27 15 226 013 080065064 M16M16M16 001 37 04 01 -23.2 -25.5 28.84 16 27 19 230 -002 082063062 M16M15M16 000 38 04 02 -22.9 -25.4 28.86 15 24 19 230 016 081061061 M16M15M16 000 39 04 03 -22.7 -25.3 28.89 15 23 27 238 019 080060060 M16M15M16 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.