USAP Grounding Zone (ACT) (lat, lon) = (-84.338, -163.5425) Forecast initialized at 2025092612 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 26 12 -12.7 -16.2 28.85 17 20 112 308 -000 072071071 M13M13M14 000 01 26 13 -18.9 -22.0 28.86 10 19 80 277 -017 076069065 M17M15M15 000 02 26 14 -21.1 -25.2 28.90 9 18 84 281 -015 070059067 M18M16M15 000 03 26 15 -21.5 -25.7 28.89 11 23 88 284 -027 069068075 M19M16M15 001 04 26 16 -22.4 -26.6 28.95 10 20 100 297 -021 069067070 M21M17M16 001 05 26 17 -23.4 -27.6 28.95 11 19 104 301 -026 069050068 M22M19M18 000 06 26 18 -23.4 -27.8 28.98 12 20 106 303 -029 067050064 M23M19M18 000 07 26 19 -23.5 -27.9 28.97 13 23 105 301 -002 067046063 M24M20M18 000 08 26 20 -24.6 -28.8 28.97 13 22 103 299 -002 068050056 M24M20M18 000 09 26 21 -25.3 -29.5 28.97 12 22 106 303 012 068056053 M24M19M18 000 10 26 22 -25.6 -30.0 28.97 12 22 115 312 018 066052052 M24M19M18 000 11 26 23 -25.6 -29.8 28.99 11 21 110 306 048 068050050 M24M20M19 000 12 27 00 -25.5 -29.7 28.97 11 24 107 304 046 068060044 M24M20M19 000 13 27 01 -25.7 -29.7 28.99 10 24 116 312 020 069056043 M24M20M19 000 14 27 02 -25.7 -29.7 28.98 11 26 108 305 043 069043041 M24M20M19 000 15 27 03 -25.9 -29.4 28.99 10 24 111 307 057 072039040 M23M20M19 000 16 27 04 -26.1 -30.0 28.99 11 28 105 302 081 070037044 M23M20M18 000 17 27 05 -26.6 -30.4 29.00 12 25 106 303 063 070039049 M23M19M18 000 18 27 06 -27.0 -30.8 28.98 12 25 103 300 079 070043048 M24M19M18 000 19 27 07 -27.8 -31.6 28.98 11 23 107 303 067 070051043 M24M19M18 000 20 27 08 -28.3 -32.2 28.99 12 25 110 306 088 069064039 M23M19M19 000 21 27 09 -28.7 -32.7 28.99 12 29 108 304 064 068056039 M22M19M19 000 22 27 10 -28.5 -32.5 29.01 12 25 109 305 086 069057042 M21M18M18 000 23 27 11 -26.1 -29.4 28.99 10 25 111 307 067 074067047 M21M18M18 001 24 27 12 -23.9 -27.2 28.99 11 28 107 304 087 074066047 M20M18M18 001 25 27 13 -23.2 -26.4 29.00 10 29 105 301 081 076064048 M19M18M17 000 26 27 14 -24.8 -27.4 29.01 11 27 104 300 079 079064046 M18M17M17 000 27 27 15 -25.4 -28.0 29.00 10 31 117 313 014 079062048 M18M17M17 000 28 27 16 -24.9 -27.6 29.02 11 33 112 309 011 078062047 M19M18M18 000 29 27 17 -25.2 -27.9 29.02 11 35 100 297 000 078060047 M19M18M19 000 30 27 18 -26.5 -29.2 29.04 9 33 86 282 011 078063047 M20M18M19 000 31 27 19 -26.8 -29.4 29.04 8 29 98 294 -013 078066047 M19M19M19 000 32 27 20 -26.9 -29.6 29.05 8 17 83 280 029 078069048 M20M19M19 000 33 27 21 -27.8 -30.7 29.07 7 15 67 263 022 077064047 M20M18M18 000 34 27 22 -28.0 -30.9 29.08 5 13 63 259 014 076062048 M19M18M18 000 35 27 23 -27.5 -30.5 29.07 4 28 57 253 -023 076060049 M18M17M18 000 36 28 00 -27.0 -30.0 29.07 3 27 65 261 030 076061049 M17M18M19 000 37 28 01 -26.5 -29.5 29.09 3 26 75 272 042 076061050 M17M18M19 000 38 28 02 -26.6 -29.3 29.10 5 19 78 274 022 078062051 M18M19M20 000 39 28 03 -26.7 -29.3 29.12 7 13 94 291 009 079061050 M20M20M21 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.