USAP Grounding Zone (ACT) (lat, lon) = (-84.338, -163.5425) Forecast initialized at 2025092200 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 22 00 -22.8 -24.3 29.09 4 5 144 341 000 079089073 M22M22M21 000 03 22 03 -25.9 -30.1 29.10 17 32 126 322 -008 068071037 M24M22M21 005 06 22 06 -26.2 -30.0 29.12 8 13 161 358 -014 071067069 M25M23M21 000 09 22 09 -27.7 -30.7 29.12 8 15 112 308 004 076075074 M23M22M22 002 12 22 12 -29.7 -32.9 29.12 10 18 157 353 -020 074071059 M25M23M22 001 15 22 15 -30.0 -33.7 29.09 10 20 147 344 -026 070066046 M25M23M22 000 18 22 18 -32.5 -36.2 29.04 9 17 151 348 -028 070051038 M25M23M22 000 21 22 21 -33.1 -36.8 28.97 8 14 151 347 -035 070032035 M25M22M19 000 24 23 00 -31.6 -35.7 28.93 9 15 163 360 053 067036035 M24M22M19 000 27 23 03 -31.7 -35.8 28.87 8 14 163 360 024 067041036 M22M21M20 000 30 23 06 -33.5 -36.8 28.85 8 25 152 349 056 072037034 M20M20M20 000 33 23 09 -31.9 -35.8 28.83 11 28 132 329 079 068038033 M21M21M21 000 36 23 12 -28.8 -33.3 28.81 12 32 127 324 011 065038031 M20M21M21 000 39 23 15 -26.8 -31.9 28.80 17 39 121 317 014 062036033 M20M20M21 000 42 23 18 -25.7 -30.8 28.83 19 44 116 313 023 062038034 M21M21M21 000 45 23 21 -26.7 -31.3 28.82 16 34 117 313 033 065044048 M24M24M23 000 48 24 00 -27.3 -31.5 28.84 15 30 127 324 -001 068048053 M24M24M24 000 51 24 03 -27.9 -31.8 28.87 13 28 129 326 006 070051056 M24M24M23 000 54 24 06 -28.2 -31.9 28.90 15 29 136 332 021 071054052 M24M23M22 000 57 24 09 -27.4 -31.0 28.93 15 31 134 331 011 071053055 M23M22M21 000 60 24 12 -23.0 -26.5 28.95 16 32 137 334 007 074056054 M20M21M21 000 63 24 15 -20.5 -24.2 28.99 19 33 136 332 023 072056059 M20M21M21 001 66 24 18 -20.4 -24.0 29.02 20 35 136 332 016 073055058 M19M20M20 000 69 24 21 -18.9 -22.8 29.04 20 38 131 328 017 071051047 M17M18M19 000 72 25 00 -17.9 -21.8 29.04 20 37 129 326 016 072048042 M16M17M18 000 75 25 03 -17.8 -21.9 29.05 21 38 130 326 001 070044045 M16M17M18 000 78 25 06 -18.0 -22.0 29.05 21 38 132 329 006 071044044 M17M17M17 000 81 25 09 -19.1 -23.1 29.04 22 38 135 331 004 071047044 M17M17M17 000 84 25 12 -17.0 -21.1 29.01 22 39 135 332 003 071049046 M15M16M17 000 87 25 15 -14.6 -18.2 29.00 26 44 135 332 015 074070077 M14M15M16 000 90 25 18 -14.1 -17.9 28.99 23 40 138 335 018 073059067 M14M15M16 001 93 25 21 -15.0 -19.4 28.98 24 37 137 333 -046 070057058 M16M17M18 001 96 26 00 -17.4 -21.7 29.03 22 34 131 327 002 069061050 M18M20M21 002 99 26 03 -21.2 -24.5 29.12 17 33 119 315 -003 075079077 M23M24M25 005 102 26 06 -25.0 -28.3 29.19 16 25 121 318 004 074078076 M26M28M28 016 105 26 09 -25.6 -29.5 29.21 15 31 110 306 000 070066078 M27M27M27 013 108 26 12 -29.8 -33.8 29.19 10 26 91 287 -010 069057075 M29M25M23 000 111 26 15 -31.2 -34.9 29.17 5 6 200 36 -012 070060049 M30M27M22 000 114 26 18 -30.7 -34.5 29.12 4 6 185 22 024 069052051 M28M24M20 000 117 26 21 -28.8 -33.6 29.05 2 2 126 323 001 063050084 M24M22M20 000 120 27 00 -26.4 -29.7 29.01 1 2 106 302 006 074081085 M23M21M20 010 * 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.