USAP Siple Dome (SDM) site lat/lon = (-81.6640,-149.0175) cell lat/lon = (-81.6600,-148.9887) Forecast initialized at 2025-11-10/00 UTC MPAS cell scale: 2.3 km 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) (*) 0 10 00 -9.1 -10.6 28.85 3 4 85 296 -001 95 95 96 -10-11-12 000 1 10 01 -9.1 -10.7 28.85 4 4 54 265 000 96102103 -10-11-12 009 2 10 02 -9.1 -10.7 28.86 4 4 27 238 000 95105103 -10-11-12 010 3 10 03 -9.2 -10.8 28.86 4 4 0 211 -001 96106101 -10-12-12 008 4 10 04 -9.7 -11.0 28.84 4 4 328 179 -001 98105102 -11-12-12 005 5 10 05 -9.9 -11.3 28.87 4 4 313 164 -001 98101103 -11-11-12 006 6 10 06 -10.0 -11.5 28.87 4 5 305 156 000 98102103 -11-12-12 011 7 10 07 -10.2 -11.7 28.86 4 5 299 150 000 97101102 -11-12-12 019 8 10 08 -10.6 -12.0 28.86 4 5 299 150 000 99102102 -11-12-13 013 9 10 09 -12.2 -13.2 28.86 5 6 243 94 000 104102102 -12-13-13 008 10 10 10 -13.1 -14.1 28.87 3 5 244 95 000 105102102 -12-13-13 006 11 10 11 -13.4 -14.7 28.88 2 3 261 112 000 103100102 -13-13-13 008 12 10 12 -13.7 -15.2 28.91 3 5 322 173 000 101101102 -14-13-13 009 13 10 13 -15.0 -16.6 28.90 7 9 336 187 000 101100102 -14-14-14 007 14 10 14 -15.7 -17.1 28.91 9 12 339 190 000 104100101 -14-14-14 006 15 10 15 -17.0 -18.0 28.92 9 12 338 189 000 109101 99 -15-15-15 002 16 10 16 -18.3 -19.3 28.94 10 14 337 188 000 112101 93 -16-15-15 000 17 10 17 -18.6 -19.5 28.95 10 14 329 180 000 113101103 -16-16-16 000 18 10 18 -18.8 -19.2 28.96 10 14 325 176 000 120 57102 -17-16-16 000 19 10 19 -18.9 -20.1 28.97 11 15 326 177 000 110 62 54 -17-17-17 000 20 10 20 -19.2 -21.4 28.99 11 15 328 179 000 100 61 59 -17-17-17 000 21 10 21 -19.4 -21.8 29.00 11 14 334 185 000 98 74 64 -17-17-17 000 22 10 22 -19.6 -21.7 29.01 10 15 340 191 000 100 93 65 -17-17-17 000 23 10 23 -19.4 -21.2 29.01 11 17 344 195 000 104 96 88 -19-17-17 000 24 11 00 -18.5 -19.7 29.02 12 16 350 201 000 110 97 84 -19-17-17 000 25 11 01 -19.1 -20.2 29.04 12 16 1 212 000 111 81 84 -19-18-18 000 26 11 02 -20.2 -21.1 29.05 12 15 10 221 000 115 77 90 -19-18-18 000 27 11 03 -20.9 -22.1 29.06 12 16 13 224 -001 113 72 87 -19-18-18 000 28 11 04 -21.7 -22.1 29.04 12 15 12 223 -002 123 67 98 -19-18-18 000 29 11 05 -21.3 -21.7 29.04 12 15 12 223 -001 123 74 89 -20-18-19 000 30 11 06 -21.2 -21.6 29.06 11 14 11 222 -002 123 82 86 -20-18-19 000 31 11 07 -20.7 -21.1 29.06 10 12 16 227 -001 122 89 94 -19-18-19 000 32 11 08 -21.5 -22.0 29.06 9 11 18 229 000 123 92101 -18-18-19 000 33 11 09 -22.3 -22.8 29.05 8 9 24 235 001 124 91103 -18-18-19 000 34 11 10 -23.6 -24.1 29.04 7 8 27 238 001 125 90109 -18-18-19 000 35 11 11 -24.7 -25.4 29.04 6 7 37 248 002 126 91110 -18-18-19 000 36 11 12 -24.3 -25.1 29.04 6 7 49 260 002 125 89111 -18-18-19 000 37 11 13 -24.1 -24.9 29.03 6 7 77 288 000 125 97118 -18-19-20 000 38 11 14 -22.5 -23.2 29.03 6 7 70 281 -002 122100113 -18-19-20 000 39 11 15 -22.2 -23.2 29.01 6 8 70 281 001 118 91110 -18-19-20 000 40 11 16 -21.7 -23.2 29.00 7 9 82 293 000 111 85108 -18-18-19 000 41 11 17 -21.1 -22.3 28.99 6 10 76 287 000 114 90101 -18-19-19 000 42 11 18 -20.3 -21.6 28.97 6 11 73 284 000 111 85105 -18-18-19 000 43 11 19 -19.2 -20.4 28.96 7 12 70 281 000 110 87109 -17-18-19 000 44 11 20 -18.3 -19.6 28.95 8 13 70 281 001 108101101 -17-18-19 000 45 11 21 -17.7 -19.0 28.94 10 13 66 277 001 107 96 99 -17-18-19 000 46 11 22 -17.4 -18.7 28.92 9 11 63 274 001 107 89 93 -17-18-19 000 47 11 23 -17.2 -18.8 28.91 8 11 68 279 001 104 88 84 -17-18-19 000 48 12 00 -17.2 -19.1 28.91 8 13 73 284 001 100 89 75 -17-18-19 000 49 12 01 -17.4 -19.1 28.89 8 14 75 286 000 103 91 66 -17-18-18 000 50 12 02 -17.9 -19.4 28.87 8 14 78 289 000 105 95 61 -17-18-18 000 51 12 03 -18.0 -19.5 28.85 8 14 76 287 000 105 87 58 -17-17-17 000 52 12 04 -18.0 -19.2 28.83 9 15 73 284 000 110 82 57 -17-17-17 000 53 12 05 -19.0 -19.5 28.82 8 14 70 281 000 119 69 52 -16-16-16 000 54 12 06 -19.2 -19.7 28.80 8 14 68 279 001 120 57 51 -16-16-16 000 55 12 07 -19.2 -19.7 28.79 8 14 61 272 001 120 50 48 -15-15-16 000 56 12 08 -19.0 -19.4 28.77 8 14 52 263 001 120 52 45 -15-15-16 000 57 12 09 -17.6 -18.0 28.76 9 12 47 258 000 118 59 44 -15-15-16 000 58 12 10 -16.8 -17.1 28.75 9 11 39 250 000 117 90 42 -15-15-16 000 59 12 11 -15.7 -16.0 28.74 9 10 35 246 000 116 92 39 -17-15-16 000 60 12 12 -15.6 -15.9 28.72 8 9 33 244 000 116 81 42 -16-14-15 000 61 12 13 -15.9 -16.1 28.72 7 8 33 244 000 116 90 45 -17-14-16 000 62 12 14 -16.4 -16.6 28.71 6 7 31 242 000 117 93 55 -15-15-16 000 63 12 15 -16.8 -17.1 28.69 5 5 25 236 000 117 94 60 -13-15-16 000 64 12 16 -17.2 -17.4 28.68 4 4 17 228 000 118 91 64 -14-15-15 000 65 12 17 -17.3 -17.5 28.67 3 4 7 218 000 118 71 60 -14-15-15 000 66 12 18 -17.2 -17.3 28.66 2 4 326 177 000 118 42 53 -14-14-15 000 67 12 19 -16.9 -17.0 28.66 2 6 270 121 000 117 40 40 -14-14-15 000 68 12 20 -16.1 -16.8 28.66 3 7 237 88 000 111 38 33 -14-15-15 000 69 12 21 -15.5 -17.0 28.65 5 7 216 67 000 103 37 35 -14-15-15 000 70 12 22 -15.6 -17.2 28.65 5 7 206 57 000 102 36 36 -15-15-15 000 71 12 23 -15.6 -17.2 28.65 5 8 201 52 000 102 39 35 -15-15-15 000 72 13 00 -15.9 -17.2 28.64 5 7 189 40 000 105 41 33 -15-15-15 000 73 13 01 -16.2 -17.2 28.64 5 5 175 26 000 109 51 32 -15-15-15 000 74 13 02 -16.4 -16.6 28.64 4 5 156 7 000 117 57 32 -15-15-15 000 75 13 03 -15.8 -15.9 28.63 4 5 161 12 000 116 67 31 -15-14-15 000 76 13 04 -15.7 -15.9 28.62 5 6 168 19 001 116 58 30 -17-14-15 000 77 13 05 -16.1 -16.3 28.61 7 7 174 25 000 117 50 30 -17-14-15 000 78 13 06 -16.6 -16.8 28.61 7 8 174 25 000 117 41 31 -17-14-15 000 79 13 07 -17.1 -17.4 28.61 7 7 172 23 000 118 37 34 -16-15-15 000 80 13 08 -18.2 -18.4 28.60 6 7 178 29 002 119 35 39 -15-14-15 000 81 13 09 -18.7 -19.0 28.60 5 6 182 33 000 120 34 49 -15-14-15 000 82 13 10 -19.7 -20.0 28.59 5 6 190 41 000 121 34 64 -15-14-15 000 83 13 11 -20.2 -20.5 28.58 5 5 190 41 -001 121 35 74 -15-14-15 000 84 13 12 -20.8 -21.2 28.58 4 5 189 40 000 122 40 77 -15-14-15 000 85 13 13 -21.7 -22.0 28.57 2 3 199 50 003 123 36 78 -15-15-16 000 86 13 14 -22.1 -22.7 28.56 2 3 203 54 000 123 39 79 -15-15-15 000 87 13 15 -20.8 -21.1 28.55 1 3 129 340 002 122 65 80 -15-15-15 000 88 13 16 -18.4 -20.6 28.55 3 3 81 292 -001 98 88 80 -15-15-15 000 89 13 17 -17.9 -20.6 28.54 4 6 11 222 -001 91 81 79 -15-14-15 000 90 13 18 -17.2 -20.2 28.54 4 6 341 192 001 89 77 79 -15-14-15 000 91 13 19 -16.6 -19.7 28.54 4 6 328 180 001 88 68 76 -15-15-15 000 92 13 20 -16.2 -19.5 28.54 4 4 337 188 000 87 74 66 -15-15-16 000 93 13 21 -16.3 -18.6 28.55 2 3 310 161 000 95 97 56 -15-16-16 000 94 13 22 -16.1 -18.5 28.57 3 3 331 182 000 95 87 40 -16-16-16 000 95 13 23 -16.8 -18.5 28.58 4 5 345 196 000 102 67 35 -15-15-15 000 96 14 00 -17.7 -18.0 28.59 6 7 358 209 000 118 40 33 -15-15-15 000 97 14 01 -17.6 -18.0 28.60 6 7 348 199 001 116 41 30 -15-15-15 000 98 14 02 -17.8 -19.0 28.62 6 7 345 196 000 109 42 28 -14-15-15 000 99 14 03 -18.1 -19.1 28.63 5 6 346 197 000 112 43 28 -15-15-16 000 100 14 04 -18.8 -19.4 28.65 4 5 344 195 -001 118 44 30 -15-15-16 000 101 14 05 -19.6 -20.1 28.66 4 5 339 190 -002 120 45 28 -15-16-16 000 102 14 06 -20.9 -21.6 28.68 4 5 336 187 000 122 44 27 -16-15-16 000 103 14 07 -21.8 -22.5 28.70 5 6 348 199 001 123 50 25 -16-16-16 000 104 14 08 -22.3 -23.1 28.72 5 6 345 196 000 123 55 24 -16-16-16 000 105 14 09 -22.2 -22.7 28.74 5 7 338 189 000 122 53 27 -16-16-16 000 106 14 10 -21.8 -22.5 28.76 6 8 337 188 000 117 53 31 -16-16-16 000 107 14 11 -21.8 -22.6 28.77 6 8 337 188 001 116 59 29 -16-16-16 000 108 14 12 -21.8 -22.7 28.79 6 8 332 183 000 115 63 33 -16-16-16 000 109 14 13 -21.5 -22.7 28.82 5 7 327 178 000 111 65 34 -16-16-16 000 110 14 14 -20.9 -22.5 28.83 5 7 321 172 -001 107 68 31 -16-16-16 000 111 14 15 -20.3 -22.3 28.85 5 7 316 167 -001 101 67 28 -16-16-16 000 112 14 16 -19.7 -22.2 28.86 4 6 316 167 002 94 56 26 -16-16-15 000 113 14 17 -18.7 -22.1 28.87 3 4 311 162 002 86 53 26 -16-15-15 000 114 14 18 -18.0 -21.8 28.89 3 3 304 155 000 80 59 23 -16-15-15 000 115 14 19 -17.3 -21.8 28.91 1 3 299 150 001 77 65 23 -15-15-15 000 116 14 20 -16.8 -20.9 28.93 1 4 294 145 000 74 71 19 -15-15-15 000 117 14 21 -16.2 -20.8 28.95 0 3 274 125 000 76 74 24 -15-15-15 000 118 14 22 -15.8 -19.9 28.96 0 2 148 359 -001 80 75 54 -14-14-15 000 119 14 23 -15.3 -19.1 28.97 0 2 167 18 -002 82 78 73 -14-14-15 000 120 15 00 -15.0 -18.7 28.98 1 2 169 20 -001 83 78 68 -14-14-15 000 * 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.