USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025100100 AMPS 24km 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 00 -13.2 -17.6 28.65 11 12 93 304 -004 075042038 M10M08M07 000 03 01 03 -17.3 -20.1 28.61 12 23 101 312 003 079043037 M13M11M10 000 06 01 06 -18.5 -21.0 28.60 14 26 79 290 020 081039035 M14M10M08 000 09 01 09 -20.8 -23.3 28.62 11 19 73 284 -002 080041037 M13M11M10 000 12 01 12 -21.4 -24.1 28.61 12 21 65 276 -004 078040038 M13M11M10 000 15 01 15 -21.7 -24.8 28.65 11 19 56 267 -009 076041038 M13M10M09 000 18 01 18 -21.8 -24.7 28.68 9 15 45 256 001 078046040 M14M12M10 000 21 01 21 -22.0 -23.9 28.71 11 17 37 248 -006 085055043 M15M13M12 000 24 02 00 -22.5 -24.1 28.73 12 21 29 240 -004 087058047 M17M14M13 000 27 02 03 -23.5 -25.5 28.75 10 20 26 237 -011 084063051 M17M15M13 000 30 02 06 -24.4 -26.8 28.79 10 17 27 238 -003 081068051 M17M15M14 000 33 02 09 -25.0 -27.1 28.81 9 17 25 236 -007 082065051 M17M15M14 000 36 02 12 -24.0 -26.1 28.82 7 13 27 238 003 083055049 M16M15M14 000 39 02 15 -22.7 -25.0 28.84 6 9 26 237 -001 081066046 M16M15M15 000 42 02 18 -21.9 -24.4 28.85 5 7 23 234 004 080067046 M16M15M15 000 45 02 21 -20.5 -23.3 28.83 4 5 27 238 001 078070045 M16M16M15 000 48 03 00 -21.0 -23.4 28.81 4 6 10 221 005 081074044 M17M16M16 000 51 03 03 -21.0 -22.7 28.79 2 5 302 153 008 087081046 M18M17M16 000 54 03 06 -21.5 -22.3 28.76 2 3 23 234 004 093079040 M18M17M16 000 57 03 09 -22.1 -22.6 28.70 2 3 14 225 -000 096085037 M19M18M17 000 60 03 12 -23.5 -23.7 28.64 3 5 334 185 006 098083036 M19M18M18 000 63 03 15 -24.5 -24.7 28.58 2 4 279 130 004 098085038 M20M19M18 001 66 03 18 -24.1 -24.8 28.51 3 5 334 185 004 094089051 M21M20M19 000 69 03 21 -25.2 -26.8 28.43 4 8 329 180 007 086090071 M21M20M20 001 72 04 00 -25.8 -27.8 28.38 5 9 342 193 009 083091081 M22M21M20 001 75 04 03 -27.7 -30.0 28.33 6 11 359 210 003 081091084 M23M22M21 002 78 04 06 -30.2 -32.6 28.31 7 13 3 214 008 079088060 M24M23M22 004 81 04 09 -31.8 -34.3 28.30 8 14 4 215 006 079088032 M25M23M22 003 84 04 12 -32.9 -35.4 28.29 8 14 7 218 007 078081016 M25M23M22 001 87 04 15 -33.2 -35.6 28.33 8 14 17 228 -001 079060016 M25M23M22 001 90 04 18 -32.1 -34.7 28.36 7 12 27 238 -006 078046019 M24M23M22 000 93 04 21 -29.9 -32.6 28.40 6 7 47 258 000 078044020 M24M22M22 000 96 05 00 -29.4 -32.1 28.44 7 10 57 268 001 078037020 M23M21M21 000 99 05 03 -30.0 -32.4 28.48 9 15 55 266 -003 079038020 M22M21M20 000 102 05 06 -30.0 -32.0 28.51 9 17 42 253 -002 083041024 M22M21M20 000 105 05 09 -30.6 -32.4 28.55 10 19 33 244 -005 084077045 M22M21M21 001 108 05 12 -30.4 -31.9 28.59 9 19 30 241 -003 087078029 M22M21M21 001 111 05 15 -29.2 -30.4 28.64 9 18 32 243 -000 089075047 M21M20M21 001 114 05 18 -27.0 -28.1 28.68 7 12 42 253 007 091072051 M20M20M21 001 117 05 21 -24.8 -26.1 28.69 6 7 63 274 002 089071051 M19M20M21 000 120 06 00 -24.5 -26.3 28.70 6 6 90 301 000 086065050 M19M20M21 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.