USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025100112 AMPS 8km 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 -15.9 -23.3 28.64 14 15 59 270 -008 062040038 M13M11M09 000 03 01 15 -20.7 -25.1 28.64 14 23 76 287 043 068034037 M10M08M08 000 06 01 18 -20.2 -24.4 28.64 13 22 83 294 050 069031031 M09M07M07 000 09 01 21 -19.6 -24.0 28.63 13 23 87 298 017 068036035 M09M08M08 000 12 02 00 -21.9 -25.4 28.62 9 14 63 274 -069 073039042 M16M12M11 000 15 02 03 -24.1 -27.2 28.62 11 18 48 259 -005 075045040 M17M14M12 000 18 02 06 -26.4 -28.5 28.66 14 23 37 248 -006 083049044 M19M15M13 000 21 02 09 -26.5 -28.3 28.67 13 21 37 248 -024 085051047 M18M14M12 000 24 02 12 -26.3 -27.9 28.69 13 22 31 242 -003 086062046 M18M14M13 000 27 02 15 -25.6 -27.2 28.72 12 20 25 236 -004 086059051 M17M14M13 000 30 02 18 -24.2 -26.4 28.75 12 20 23 234 -010 082057049 M17M15M13 000 33 02 21 -23.4 -24.8 28.77 11 19 14 225 001 088063049 M18M15M14 000 36 03 00 -22.7 -24.1 28.77 10 18 9 220 015 089066049 M18M16M15 001 39 03 03 -22.8 -24.2 28.77 9 17 352 203 -008 088075047 M18M16M16 001 42 03 06 -23.3 -24.6 28.77 8 14 334 185 003 089083047 M18M17M16 001 45 03 09 -24.0 -25.2 28.74 7 12 334 185 -001 090092049 M19M18M18 001 48 03 12 -24.7 -25.9 28.69 7 12 333 184 001 090095057 M19M19M18 002 51 03 15 -24.5 -25.9 28.65 7 11 308 159 006 088094070 M20M20M19 003 54 03 18 -24.2 -26.2 28.61 7 11 319 170 003 084095080 M21M21M20 006 57 03 21 -24.2 -26.3 28.54 8 14 329 180 008 083094081 M21M21M21 004 60 04 00 -24.5 -26.7 28.49 9 15 337 188 008 082094083 M21M21M21 004 63 04 03 -25.8 -28.1 28.45 11 20 354 205 001 081096083 M21M21M20 004 66 04 06 -27.1 -29.6 28.43 11 20 359 210 015 080092088 M22M21M21 006 69 04 09 -27.2 -29.7 28.41 12 21 7 218 004 079086089 M22M21M21 008 72 04 12 -26.8 -29.4 28.40 13 21 15 226 022 079083084 M22M21M21 011 75 04 15 -27.1 -29.6 28.42 13 22 25 236 006 079084087 M22M22M22 010 78 04 18 -26.0 -28.4 28.43 14 24 30 241 033 080086089 M23M22M22 009 81 04 21 -25.7 -28.1 28.45 16 27 25 236 016 080085081 M23M23M22 007 84 05 00 -26.0 -28.2 28.47 16 27 16 227 011 082085066 M25M23M21 003 87 05 03 -27.4 -29.7 28.51 14 25 22 233 -002 081086041 M24M22M20 003 90 05 06 -29.5 -31.8 28.55 13 22 23 234 -005 080079032 M23M21M20 001 93 05 09 -30.8 -33.2 28.58 11 20 25 236 -006 080072023 M24M21M20 001 96 05 12 -30.9 -32.7 28.61 10 17 24 235 -009 084049026 M24M22M20 001 99 05 15 -30.8 -32.5 28.66 9 14 26 237 -016 085065030 M24M22M21 001 102 05 18 -29.3 -31.2 28.69 9 14 28 239 -009 084076019 M23M23M22 001 105 05 21 -28.5 -30.8 28.72 9 15 49 259 -011 081079017 M23M23M22 001 108 06 00 -28.5 -30.9 28.75 9 15 38 249 -002 080074018 M24M23M23 001 111 06 03 -29.8 -32.1 28.80 8 13 24 235 -009 081068018 M24M23M22 001 114 06 06 -31.0 -32.9 28.85 8 12 20 231 -011 084059022 M24M23M22 000 117 06 09 -31.4 -32.8 28.89 8 13 6 217 -003 087049022 M23M22M21 000 120 06 12 -30.7 -32.0 28.91 7 10 20 231 -009 088029021 M22M21M20 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.