USAP Grounding Zone (ACT) (lat, lon) = (-84.338, -163.5425) Forecast initialized at 2025092100 AMPS 24km 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 21 00 -13.1 -17.0 28.99 16 19 117 314 -000 070062074 M13M14M15 000 03 21 03 -14.3 -17.0 29.00 13 30 123 320 029 080061063 M13M14M15 002 06 21 06 -13.7 -17.3 29.00 17 33 118 314 054 074058053 M14M15M15 001 09 21 09 -15.2 -18.0 29.01 17 31 116 312 047 079079079 M16M17M18 009 12 21 12 -18.1 -20.6 29.07 14 24 103 299 029 081084081 M19M20M20 032 15 21 15 -21.2 -23.7 29.12 9 13 91 288 014 080082083 M22M21M21 033 18 21 18 -21.9 -24.5 29.17 5 7 74 270 011 080081081 M22M21M21 022 21 21 21 -22.3 -24.8 29.17 2 4 56 252 008 080081077 M22M22M21 022 24 22 00 -22.6 -25.2 29.16 2 3 42 238 006 080081072 M22M22M21 011 27 22 03 -23.5 -26.1 29.16 3 4 47 243 002 079080071 M23M22M21 008 30 22 06 -24.7 -27.4 29.17 2 4 89 285 006 079080072 M23M22M22 004 33 22 09 -24.4 -27.0 29.15 4 7 130 326 001 079079070 M24M23M22 009 36 22 12 -25.1 -27.7 29.13 7 12 143 339 -003 078069063 M24M23M22 004 39 22 15 -26.6 -29.6 29.10 9 16 134 330 -005 076061050 M23M22M21 001 42 22 18 -27.4 -30.9 29.05 10 22 139 335 -011 072048042 M22M21M20 000 45 22 21 -26.7 -30.7 29.00 10 22 128 325 006 069036037 M22M19M18 000 48 23 00 -27.4 -31.4 28.95 11 26 132 328 -003 069035036 M22M20M19 000 51 23 03 -26.1 -30.6 28.90 12 27 125 321 005 066036034 M21M20M19 000 54 23 06 -26.3 -30.7 28.87 12 29 124 320 015 066037033 M21M20M20 000 57 23 09 -26.9 -31.1 28.83 13 30 127 323 013 068037032 M21M21M21 000 60 23 12 -26.4 -30.8 28.80 15 34 124 320 008 067037030 M21M21M21 000 63 23 15 -26.0 -30.5 28.80 17 37 124 320 011 066038030 M21M21M21 000 66 23 18 -24.3 -29.0 28.81 19 40 125 322 027 065039034 M20M21M21 000 69 23 21 -22.5 -27.3 28.81 21 41 125 321 021 065041039 M20M21M21 000 72 24 00 -21.9 -26.5 28.83 21 41 128 324 012 067044044 M20M21M21 000 75 24 03 -21.5 -26.1 28.85 22 42 128 324 014 067044048 M19M20M21 000 78 24 06 -21.2 -26.0 28.89 22 43 129 325 008 066044050 M19M20M21 000 81 24 09 -20.9 -25.6 28.91 24 44 128 325 -005 066049058 M20M20M21 000 84 24 12 -21.0 -25.3 28.94 23 42 131 327 003 068052059 M20M20M20 000 87 24 15 -20.8 -24.9 29.00 23 42 131 328 006 069054058 M20M20M20 000 90 24 18 -20.7 -24.8 29.05 23 42 132 328 004 070056063 M20M20M20 000 93 24 21 -19.9 -24.0 29.10 24 43 131 328 001 070056067 M19M20M19 000 96 25 00 -18.9 -23.0 29.13 24 43 132 328 -001 070057069 M19M19M19 000 99 25 03 -17.9 -21.7 29.16 23 41 130 327 -004 072061070 M18M19M19 000 102 25 06 -17.0 -20.2 29.19 22 40 129 326 008 076068076 M17M18M19 004 105 25 09 -18.6 -22.4 29.22 21 38 128 324 009 072057060 M18M19M18 003 108 25 12 -19.4 -23.3 29.24 21 37 128 324 011 071052050 M18M19M18 000 111 25 15 -18.3 -22.3 29.27 21 38 125 322 013 071048041 M18M18M18 000 114 25 18 -17.5 -21.6 29.28 21 37 125 322 023 071045032 M18M18M17 001 117 25 21 -17.7 -21.8 29.26 21 38 125 321 001 070044028 M18M18M18 001 120 26 00 -18.6 -22.8 29.24 19 37 123 319 004 070042029 M18M18M18 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.