USAP Grounding Zone (ACT) (lat, lon) = (-84.338, -163.5425) Forecast initialized at 2025092612 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 26 12 -12.7 -16.4 28.85 17 21 113 309 -000 072071072 M13M13M14 000 03 26 15 -21.5 -25.7 28.89 11 19 92 288 -028 069069075 M20M16M15 002 06 26 18 -23.4 -27.8 28.98 12 20 104 301 -015 067052066 M23M19M18 002 09 26 21 -25.3 -29.5 28.97 12 21 107 303 008 068057053 M24M19M18 000 12 27 00 -25.5 -29.7 28.97 11 22 107 303 043 068060046 M23M20M19 000 15 27 03 -25.9 -29.4 28.99 11 28 110 307 054 072041041 M23M20M19 000 18 27 06 -27.1 -30.8 28.98 11 24 105 301 067 070043047 M24M19M18 000 21 27 09 -28.7 -32.7 28.99 11 27 107 304 066 068057040 M22M19M19 000 24 27 12 -23.9 -27.3 28.99 11 29 107 304 083 074065047 M20M18M18 001 27 27 15 -25.2 -27.8 29.00 11 31 116 312 025 079063048 M18M17M18 000 30 27 18 -26.0 -28.7 29.04 11 34 107 303 016 078061047 M19M18M19 000 33 27 21 -27.6 -30.3 29.07 8 16 81 278 011 077063047 M20M18M18 000 36 28 00 -26.9 -29.8 29.07 4 28 77 273 034 076061049 M18M18M19 000 39 28 03 -26.4 -29.0 29.12 8 15 99 296 017 079061050 M20M20M20 000 42 28 06 -27.6 -30.9 29.16 10 17 88 284 047 074063048 M23M22M22 000 45 28 09 -26.3 -30.1 29.21 14 30 111 308 052 071053048 M25M22M22 000 48 28 12 -23.9 -27.5 29.21 11 25 117 313 031 072048045 M22M21M20 000 51 28 15 -23.8 -27.2 29.22 11 30 109 306 012 074046042 M19M19M18 000 54 28 18 -22.7 -26.5 29.20 9 35 100 296 042 071044043 M17M16M16 000 57 28 21 -22.0 -25.1 29.15 5 31 177 14 -014 076030037 M16M12M13 000 60 29 00 -21.8 -24.4 29.09 8 33 214 51 -000 080030034 M15M11M11 000 63 29 03 -21.8 -24.4 29.06 9 36 192 29 003 079032048 M13M10M11 000 66 29 06 -11.5 -13.3 29.02 25 44 140 337 -018 087087080 M11M11M13 005 69 29 09 -10.8 -12.4 29.00 24 39 140 337 038 088087087 M11M12M13 048 72 29 12 -13.0 -15.3 29.01 18 32 131 327 032 083081078 M13M14M15 007 75 29 15 -20.3 -22.9 29.08 11 32 94 291 031 080082074 M18M15M15 000 78 29 18 -18.8 -20.9 29.11 11 33 113 309 047 083083084 M16M16M16 035 81 29 21 -13.2 -16.7 29.13 24 37 127 324 040 075062058 M14M15M16 080 84 30 00 -13.1 -17.1 29.14 27 43 128 325 -017 072054052 M13M14M15 001 87 30 03 -12.7 -17.0 29.15 27 44 126 323 013 070048040 M13M14M15 000 90 30 06 -12.6 -17.2 29.14 26 46 126 323 010 068040048 M11M12M13 000 93 30 09 -12.1 -16.3 29.10 24 45 129 326 000 071032033 M10M10M12 000 96 30 12 -12.0 -16.4 29.07 24 43 127 323 -103 070035035 M10M11M13 000 99 30 15 -12.7 -17.0 29.03 24 45 127 324 -059 071039035 M12M12M13 000 102 30 18 -13.1 -18.1 29.02 26 42 124 320 026 066042033 M12M13M15 000 105 30 21 -13.6 -18.1 28.98 24 41 126 322 -017 069043034 M12M13M15 000 108 01 00 -13.3 -17.6 28.97 22 41 124 320 -016 070043036 M11M12M14 000 111 01 03 -12.4 -16.0 28.95 20 40 126 322 031 075042038 M10M11M12 000 114 01 06 -11.6 -15.5 28.95 25 45 129 325 008 073044043 M10M11M12 000 117 01 09 -11.8 -16.1 28.96 27 47 126 323 008 071045048 M11M11M13 000 120 01 12 -11.3 -15.2 28.98 27 45 127 324 015 073056056 M11M12M14 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.