USAP Shackleton Glacier (lat, lon) = (-85.08, -175.38) Forecast initialized at 2025072800 AMPS 2p67km 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 28 00 -29.6 -36.7 28.66 17 18 114 299 -137 054048044 M31M32M30 000 01 28 01 -32.2 -37.4 28.61 11 15 32 216 -319 060042046 M28M28M29 000 02 28 02 -29.7 -36.9 28.59 9 14 6 191 080 050043039 M27M28M26 000 03 28 03 -27.4 -34.9 28.57 11 23 189 14 580 049032043 M23M24M25 000 04 28 04 -25.9 -34.2 28.58 13 31 204 29 927 046033041 M23M24M25 000 05 28 05 -23.2 -32.6 28.53 29 52 104 289 675 042031032 M23M23M24 000 06 28 06 -23.0 -32.4 28.59 24 48 105 289 881 042032035 M23M24M25 000 07 28 07 -22.7 -33.1 28.60 24 44 107 292 355 038029029 M23M24M25 000 08 28 08 -23.7 -33.3 28.59 22 39 112 297 869 041030031 M23M24M25 000 09 28 09 -25.3 -33.1 28.63 24 32 226 51 1568 048034046 M23M24M26 000 10 28 10 -25.0 -32.7 28.63 13 36 184 8 2619 049035044 M23M24M25 000 11 28 11 -22.6 -32.1 28.58 38 55 116 300 -709 042028024 M22M23M24 000 12 28 12 -21.5 -31.4 28.60 25 44 111 296 865 041026028 M21M22M22 000 13 28 13 -21.7 -31.5 28.63 11 25 55 239 933 041026026 M20M21M22 000 14 28 14 -24.5 -31.8 28.65 3 13 76 260 -523 051031028 M22M23M23 000 15 28 15 -24.8 -32.0 28.66 5 14 184 9 -204 051032029 M23M24M24 000 16 28 16 -25.1 -32.1 28.70 10 17 200 25 -008 052032031 M23M24M24 000 17 28 17 -25.0 -32.7 28.71 8 14 217 41 -135 049030035 M22M23M23 000 18 28 18 -24.7 -32.2 28.69 9 15 227 52 313 050029032 M21M22M23 000 19 28 19 -24.0 -31.6 28.66 9 30 122 307 620 049024024 M20M21M21 000 20 28 20 -21.9 -31.1 28.67 19 37 105 290 251 043022023 M20M20M21 000 21 28 21 -22.8 -31.3 28.67 10 32 114 299 1020 046025025 M20M21M21 000 22 28 22 -22.0 -31.4 28.68 22 39 112 296 024 043022020 M20M20M20 000 23 28 23 -21.6 -30.9 28.66 15 32 130 315 1257 043023022 M20M20M21 000 24 29 00 -22.2 -30.6 28.66 11 29 182 6 1649 047025026 M20M20M21 000 25 29 01 -22.0 -30.3 28.64 12 32 169 354 1373 047026026 M20M20M21 000 26 29 02 -20.7 -29.9 28.63 17 37 124 309 205 044024024 M19M19M20 000 27 29 03 -20.5 -29.6 28.62 19 37 105 290 431 044024027 M19M19M20 000 28 29 04 -20.7 -29.7 28.63 19 36 101 285 476 044024028 M19M19M20 000 29 29 05 -19.5 -29.7 28.62 28 40 117 302 350 040021025 M18M18M19 000 30 29 06 -19.6 -29.5 28.62 23 37 116 300 465 041021029 M18M19M19 000 31 29 07 -20.3 -29.6 28.60 19 34 114 298 -035 043022034 M19M19M19 000 32 29 08 -20.2 -29.8 28.62 15 30 104 289 071 042024035 M19M19M20 000 33 29 09 -22.4 -29.9 28.64 5 21 173 357 303 051028036 M20M20M21 000 34 29 10 -22.6 -30.2 28.64 7 12 233 58 108 050030038 M20M21M22 000 35 29 11 -23.3 -30.7 28.63 9 15 226 50 -037 051031038 M20M21M22 000 36 29 12 -23.7 -31.1 28.63 7 13 219 44 -045 051032039 M21M21M22 000 37 29 13 -23.5 -31.4 28.63 8 15 216 40 -057 048032040 M21M22M22 000 38 29 14 -23.5 -31.4 28.63 9 15 210 34 -066 049033040 M21M22M22 000 39 29 15 -23.7 -31.4 28.63 4 9 194 19 -045 050033040 M21M22M22 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.