USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026061100 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 11 00 -30.3 -35.0 28.57 6 6 163 14 004 073069060 M27M24M23 000 01 11 01 -31.7 -34.9 28.57 7 9 144 355 -001 073066055 M23M22M22 000 02 11 02 -31.3 -33.0 28.56 8 12 151 2 -001 085069054 M23M22M22 000 03 11 03 -31.8 -33.0 28.56 8 11 151 2 -023 089066055 M23M22M22 000 04 11 04 -31.3 -32.4 28.58 7 10 157 8 -036 090067057 M23M22M22 000 05 11 05 -31.3 -32.3 28.57 7 10 154 5 -032 091067057 M23M22M22 000 06 11 06 -30.6 -31.6 28.55 6 9 162 13 -002 092068055 M23M22M22 000 07 11 07 -30.4 -31.2 28.56 6 9 170 21 024 092071054 M23M22M22 000 08 11 08 -30.5 -31.3 28.57 6 10 185 36 001 093075052 M24M23M23 000 09 11 09 -31.1 -31.9 28.56 7 10 196 47 -002 092076048 M24M23M23 000 10 11 10 -30.6 -31.4 28.57 6 9 193 44 009 092073046 M24M23M22 000 11 11 11 -29.9 -30.6 28.53 5 9 200 51 -014 094071046 M23M22M22 000 12 11 12 -29.3 -30.0 28.55 5 8 209 60 -027 094070046 M23M22M22 000 13 11 13 -29.4 -30.0 28.55 4 7 220 71 -031 095070048 M23M22M22 000 14 11 14 -29.6 -30.2 28.55 5 7 234 85 -020 094072051 M23M22M23 000 15 11 15 -29.7 -30.4 28.57 5 8 237 88 000 094072051 M23M23M23 000 16 11 16 -29.7 -30.4 28.57 5 8 250 101 013 094076050 M24M23M23 000 17 11 17 -29.8 -30.5 28.57 5 8 262 113 -010 094077046 M24M23M24 000 18 11 18 -29.8 -30.5 28.56 5 9 264 115 -013 094074046 M24M23M23 000 19 11 19 -30.0 -30.6 28.55 6 10 273 124 -005 095073047 M24M23M23 000 20 11 20 -30.2 -30.8 28.57 6 10 281 132 003 095073048 M24M24M24 000 21 11 21 -30.9 -31.5 28.59 7 11 292 143 010 094074050 M24M24M24 000 22 11 22 -32.1 -32.9 28.60 8 12 307 158 010 092075052 M25M24M24 000 23 11 23 -33.1 -34.2 28.58 9 14 313 164 014 090074054 M25M24M24 000 24 12 00 -33.9 -35.6 28.60 10 16 314 165 018 085072055 M25M24M24 000 25 12 01 -34.4 -36.8 28.60 11 17 314 165 018 079067054 M26M25M24 000 26 12 02 -34.7 -37.1 28.60 11 17 306 157 032 079068053 M26M25M24 000 27 12 03 -34.8 -37.5 28.60 10 17 299 150 040 076070052 M26M25M24 000 28 12 04 -35.2 -37.4 28.61 11 17 298 149 041 081077053 M27M26M25 000 29 12 05 -35.6 -37.9 28.64 11 17 304 155 032 080080055 M28M26M25 000 30 12 06 -36.1 -38.6 28.65 11 19 313 163 028 078081058 M28M27M26 000 31 12 07 -36.3 -38.9 28.63 11 21 312 163 031 077079062 M28M28M27 000 32 12 08 -36.2 -38.7 28.64 10 18 319 170 031 077078064 M27M27M27 000 33 12 09 -36.1 -38.7 28.66 12 19 330 181 032 077073068 M27M27M27 000 34 12 10 -36.2 -38.9 28.67 12 20 332 183 019 076080064 M27M27M27 000 35 12 11 -36.5 -39.2 28.66 12 20 327 178 016 076073059 M28M27M27 000 36 12 12 -37.1 -39.9 28.68 12 20 319 170 006 075077060 M29M28M27 000 37 12 13 -37.3 -40.0 28.69 10 20 312 163 004 076068064 M27M27M28 000 38 12 14 -36.9 -39.4 28.70 10 17 310 161 008 078069066 M27M27M28 000 39 12 15 -36.6 -38.9 28.70 10 18 305 156 007 079075068 M27M27M28 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.