USAP Grounding Zone (ACT) (lat, lon) = (-84.338, -163.5425) Forecast initialized at 2025092112 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 21 12 -14.7 -17.0 29.00 17 18 120 316 000 083083079 M16M17M17 000 01 21 13 -15.4 -17.5 29.04 13 23 119 316 035 084085082 M16M17M18 011 02 21 14 -15.7 -17.8 29.05 13 21 128 325 005 084089088 M17M18M19 006 03 21 15 -16.1 -19.1 29.06 21 33 125 322 010 078078087 M17M18M19 015 04 21 16 -17.5 -21.0 29.08 17 31 111 307 006 074081081 M18M18M19 002 05 21 17 -17.8 -20.1 29.06 12 25 105 302 034 082084079 M19M19M18 002 06 21 18 -18.5 -21.0 29.09 11 18 108 304 -010 081081081 M20M19M19 005 07 21 19 -19.2 -21.6 29.12 11 14 110 306 008 081085083 M21M21M20 011 08 21 20 -20.1 -22.5 29.12 9 12 87 283 009 081081082 M21M21M21 015 09 21 21 -20.6 -23.1 29.14 6 7 73 270 039 080081081 M21M21M20 012 10 21 22 -20.7 -23.2 29.13 4 6 80 276 020 080082082 M21M21M21 009 11 21 23 -20.8 -23.2 29.12 3 4 80 276 -016 081081081 M22M21M21 009 12 22 00 -20.8 -23.3 29.13 3 4 58 254 009 081082081 M22M21M21 009 13 22 01 -21.3 -23.8 29.13 6 7 16 212 -044 081078079 M22M20M20 006 14 22 02 -22.1 -24.7 29.14 3 3 303 140 -009 080083056 M23M22M20 003 15 22 03 -22.5 -25.0 29.13 1 1 301 137 018 080086080 M23M22M22 001 16 22 04 -22.7 -25.3 29.16 4 5 10 207 036 080080081 M22M22M21 002 17 22 05 -23.0 -25.5 29.14 3 4 24 221 037 080082083 M23M23M22 002 18 22 06 -23.2 -25.8 29.14 3 4 38 235 -007 079081081 M23M23M23 003 19 22 07 -23.6 -26.2 29.15 3 4 55 251 -017 079079080 M24M23M23 003 20 22 08 -24.0 -26.6 29.13 2 2 93 289 -003 079079081 M24M23M23 002 21 22 09 -23.8 -26.4 29.15 3 4 146 343 -016 079080079 M24M24M23 004 22 22 10 -23.8 -26.4 29.14 5 8 148 345 012 079078079 M24M24M23 003 23 22 11 -24.4 -26.9 29.11 6 10 150 346 -004 079075073 M24M24M23 001 24 22 12 -25.1 -27.7 29.11 8 11 158 355 005 079072070 M24M23M23 000 25 22 13 -25.9 -28.6 29.10 7 11 160 357 025 078071065 M24M22M22 000 26 22 14 -27.0 -29.8 29.09 9 15 170 6 026 077059053 M24M23M22 000 27 22 15 -27.5 -30.9 29.07 9 26 163 359 -028 073055047 M23M22M22 000 28 22 16 -27.9 -31.4 29.05 8 25 168 5 -137 072051042 M23M22M22 000 29 22 17 -27.0 -30.8 29.04 9 25 125 322 -078 071048041 M23M22M22 000 30 22 18 -26.6 -30.3 29.02 10 25 119 316 010 071044040 M23M23M22 000 31 22 19 -26.6 -30.4 28.99 11 29 113 310 021 070040039 M23M22M21 000 32 22 20 -27.0 -30.9 28.98 10 27 118 315 -011 070040038 M23M22M21 000 33 22 21 -27.2 -31.1 28.96 10 25 122 318 028 070039034 M23M22M20 000 34 22 22 -27.5 -31.3 28.94 8 24 124 321 -042 070034035 M22M21M19 000 35 22 23 -27.9 -31.6 28.92 8 27 164 1 -065 071032035 M23M21M18 000 36 23 00 -28.2 -31.8 28.90 8 32 154 350 -002 071030037 M22M20M18 000 37 23 01 -28.2 -32.0 28.89 9 33 178 15 030 070035031 M22M21M19 000 38 23 02 -28.6 -32.3 28.87 10 32 167 3 017 071040034 M22M22M20 000 39 23 03 -28.7 -32.5 28.85 9 31 166 2 022 070041037 M23M22M19 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.