USAP McMurdo (NZCM) (lat, lon) = (-77.85, 166.71) Forecast initialized at 2025092100 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 00 -20.2 -24.0 29.05 2 3 33 199 -007 081071078 M21M21M20 000 01 21 01 -18.1 -22.4 29.08 4 5 62 229 156 069068075 M19M19M20 004 02 21 02 -17.3 -22.3 29.06 9 10 45 211 068 065066062 M18M19M20 001 03 21 03 -17.1 -22.0 29.04 15 20 64 231 028 066063067 M17M18M18 000 04 21 04 -17.4 -22.2 29.06 12 16 64 231 016 067068060 M18M19M19 000 05 21 05 -17.0 -22.1 29.04 12 14 57 223 -010 065066065 M17M18M19 001 06 21 06 -17.6 -22.3 29.09 8 10 70 237 034 067071066 M18M19M20 000 07 21 07 -21.3 -24.4 29.08 11 14 59 225 -007 077070074 M19M19M19 000 08 21 08 -20.5 -24.0 29.10 7 8 55 222 014 073066076 M19M18M19 000 09 21 09 -20.2 -23.0 29.08 4 5 23 189 015 079076072 M19M19M18 000 10 21 10 -19.5 -20.9 29.08 5 7 2 169 003 088088067 M18M19M19 000 11 21 11 -19.2 -20.5 29.07 6 8 352 158 010 089085066 M18M19M19 001 12 21 12 -18.2 -20.0 29.07 8 11 335 142 -003 086080071 M18M18M19 001 13 21 13 -18.1 -20.0 29.06 7 10 333 140 -013 086084076 M18M18M19 001 14 21 14 -17.8 -19.6 29.04 8 11 329 136 -001 086083080 M17M18M18 001 15 21 15 -17.7 -19.7 29.05 6 9 318 125 012 084083078 M17M18M18 001 16 21 16 -17.5 -19.8 29.05 6 8 343 150 040 082079078 M17M18M17 001 17 21 17 -17.1 -19.6 29.04 3 5 331 138 072 081083082 M17M18M17 003 18 21 18 -16.4 -19.3 29.05 5 7 346 153 025 079076086 M17M17M16 004 19 21 19 -16.6 -19.0 29.05 1 3 343 149 046 082078088 M17M17M16 003 20 21 20 -16.6 -18.9 29.02 1 3 166 333 035 082077084 M17M16M16 003 21 21 21 -16.0 -18.6 29.02 1 3 155 321 013 080075086 M16M16M16 002 22 21 22 -15.5 -18.5 29.01 2 3 82 248 025 078072085 M15M15M16 003 23 21 23 -15.6 -18.5 29.01 3 4 140 307 023 078078082 M16M15M16 004 24 22 00 -15.5 -18.0 29.02 5 7 81 248 144 081077093 M14M16M17 008 25 22 01 -14.4 -18.0 29.02 10 28 122 289 043 074080084 M16M17M18 001 26 22 02 -15.5 -18.4 29.03 18 35 121 288 -018 079065065 M15M16M17 000 27 22 03 -17.3 -19.9 29.05 16 32 85 252 -018 080074068 M16M17M18 000 28 22 04 -18.4 -21.1 29.06 17 29 86 253 008 080071071 M17M17M18 000 29 22 05 -19.1 -22.0 29.08 17 29 74 240 -038 078069085 M18M18M19 000 30 22 06 -19.4 -22.4 29.07 17 29 80 246 077 078070079 M19M18M19 000 31 22 07 -19.9 -22.7 29.09 16 28 76 243 047 078071082 M19M19M20 002 32 22 08 -20.4 -23.2 29.09 17 26 79 246 066 079071078 M19M19M20 001 33 22 09 -20.5 -23.7 29.11 18 29 79 246 052 076071076 M20M20M21 001 34 22 10 -21.1 -24.7 29.11 20 25 81 248 024 073068074 M21M20M21 001 35 22 11 -21.8 -25.1 29.12 19 25 72 239 -022 075070076 M21M21M21 002 36 22 12 -22.0 -25.2 29.13 19 23 73 240 026 076070075 M21M20M21 002 37 22 13 -22.4 -25.5 29.13 18 23 76 243 031 076073075 M21M21M21 002 38 22 14 -22.7 -25.8 29.13 19 23 70 237 091 076072071 M21M20M21 002 39 22 15 -22.7 -25.9 29.13 17 23 67 234 048 075070067 M22M20M21 001 * 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.