AWS LETTAU site lat/lon = (-82.4750,-174.5870) cell lat/lon = (-82.4835,-174.5965) Forecast initialized at 2026-10-17/12 UTC MPAS cell scale: 2.3 km 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) (*) 0 17 12 -17.3 -19.7 28.54 8 14 168 353 000 91 85 47 -13-12-12 000 1 17 13 -18.1 -18.6 28.53 7 12 171 356 000 118 87 49 -12-12-11 000 2 17 14 -20.4 -20.9 28.53 7 20 190 15 -002 121 82 55 -11-12-11 000 3 17 15 -18.6 -19.0 28.50 10 26 173 358 -002 119 71 55 -12-11-11 000 4 17 16 -17.5 -18.0 28.51 10 27 168 353 -001 117 66 51 -12-11-11 000 5 17 17 -17.4 -17.9 28.50 9 26 170 355 001 117 65 50 -12-11-11 000 6 17 18 -17.0 -17.4 28.48 9 28 163 348 000 117 73 54 -12-11-11 000 7 17 19 -16.1 -16.6 28.49 9 31 163 348 001 116 73 55 -11-10-10 000 8 17 20 -14.8 -15.9 28.47 9 29 156 341 001 106 71 54 -11-10 -9 000 9 17 21 -13.7 -15.2 28.45 10 29 161 346 002 100 77 59 -11-11 -9 000 10 17 22 -13.0 -14.9 28.45 10 29 157 343 001 96 76 60 -11-10 -9 000 11 17 23 -12.7 -14.5 28.45 9 29 159 344 004 96 83 56 -10-10 -9 000 12 18 00 -11.8 -13.4 28.43 10 31 162 347 000 97 87 55 -9-10-10 000 13 18 01 -10.2 -12.1 28.44 13 30 152 337 000 93 90 53 -9-10-10 000 14 18 02 -9.8 -11.7 28.45 14 32 143 328 001 93 92 54 -9-10-10 000 15 18 03 -10.1 -11.4 28.46 11 28 146 331 -001 98 98 54 -9-10-11 000 16 18 04 -10.6 -12.4 28.47 18 29 133 318 000 94 63 62 -10 -9-10 000 17 18 05 -12.2 -14.0 28.49 13 27 137 322 001 95 60 51 -10-10-11 000 18 18 06 -13.2 -13.6 28.48 9 30 158 343 -002 112 97 50 -9-10-11 000 19 18 07 -11.3 -11.5 28.48 13 34 144 329 -001 111 93 49 -9-10-12 000 20 18 08 -10.7 -12.0 28.50 18 34 136 321 002 99 98 51 -10-11-11 000 21 18 09 -11.6 -12.5 28.53 17 33 129 314 001 104103 73 -11-12-12 000 22 18 10 -14.4 -14.7 28.56 18 35 114 300 -001 115109 51 -14-12-12 000 23 18 11 -17.3 -18.6 28.58 14 29 111 296 000 106107 48 -15-12-13 000 24 18 12 -17.7 -18.1 28.60 10 30 115 300 000 118106 49 -15-12-12 000 25 18 13 -16.4 -16.7 28.60 8 35 119 305 -001 117105 38 -13-12-12 000 26 18 14 -15.9 -16.4 28.62 9 37 141 326 -004 115 91 58 -11-12-13 000 27 18 15 -13.2 -14.5 28.64 17 38 134 319 -001 101 91 59 -12-12-14 000 28 18 16 -13.2 -14.9 28.64 17 39 134 320 -005 98 92 63 -12-13-14 000 29 18 17 -12.8 -15.0 28.64 19 40 135 320 -006 92 90 66 -12-13-14 000 30 18 18 -12.6 -15.2 28.66 21 40 136 322 -006 89 90 69 -12-13-14 000 31 18 19 -12.6 -15.3 28.67 20 38 133 319 -003 88 91 72 -12-13-14 000 32 18 20 -12.4 -15.2 28.69 21 39 133 319 -003 87 92 73 -12-13-14 000 33 18 21 -12.2 -15.0 28.69 21 38 134 319 -001 87 91 64 -12-13-14 000 34 18 22 -12.1 -14.9 28.70 22 38 136 321 -005 87 88 50 -12-13-13 000 35 18 23 -12.0 -14.8 28.70 22 39 140 325 -001 87 88 37 -12-13-12 000 36 19 00 -11.9 -14.6 28.71 22 38 141 327 -002 87 87 34 -12-12-12 000 37 19 01 -11.7 -14.4 28.70 22 38 142 327 -003 87 91 34 -12-12-11 000 38 19 02 -11.3 -14.0 28.70 21 39 141 327 -005 87 91 32 -11-12-11 000 39 19 03 -11.0 -13.7 28.70 23 41 142 327 -009 87 89 45 -11-11-11 000 40 19 04 -10.9 -13.7 28.68 22 41 141 327 -006 85 80 48 -10-10-11 000 41 19 05 -11.2 -13.9 28.68 20 38 147 333 000 87 83 47 -11-10-10 000 42 19 06 -11.6 -14.2 28.67 20 38 149 335 000 88 86 49 -11-11-10 000 43 19 07 -12.0 -14.8 28.66 21 40 147 332 002 86 82 50 -11-11-10 000 44 19 08 -12.6 -15.5 28.66 20 39 149 334 000 87 80 52 -12-12-10 000 45 19 09 -12.4 -15.5 28.65 20 38 151 336 -001 85 82 57 -12-12-10 000 46 19 10 -12.8 -15.9 28.65 20 39 152 337 -003 85 84 56 -12-13-11 000 47 19 11 -13.2 -16.3 28.64 20 39 153 338 -003 85 82 54 -12-13-11 000 48 19 12 -13.7 -16.7 28.64 19 39 155 340 -001 86 84 54 -13-13-12 000 49 19 13 -13.9 -17.1 28.64 19 39 152 338 000 85 84 55 -13-14-13 000 50 19 14 -14.4 -17.6 28.64 20 40 152 337 001 85 83 56 -13-14-13 000 51 19 15 -14.6 -17.9 28.64 20 40 151 336 000 84 82 56 -14-14-14 000 52 19 16 -14.7 -18.1 28.64 20 40 150 335 000 84 82 53 -14-14-14 000 53 19 17 -14.6 -18.0 28.63 19 40 148 333 000 84 84 51 -14-14-14 000 54 19 18 -14.2 -17.6 28.63 21 40 144 329 000 83 84 50 -14-14-14 000 55 19 19 -13.8 -17.2 28.62 22 40 144 329 001 83 86 49 -14-14-14 000 56 19 20 -13.3 -16.8 28.61 23 40 143 328 000 82 85 48 -13-14-14 000 57 19 21 -13.2 -16.6 28.62 22 39 142 328 001 83 85 47 -13-14-14 000 58 19 22 -12.8 -16.1 28.63 22 40 143 328 000 82 85 45 -13-14-14 000 59 19 23 -12.4 -15.8 28.65 22 39 143 329 001 82 85 47 -12-13-14 000 60 20 00 -12.2 -15.6 28.65 20 38 143 328 002 82 86 52 -12-13-14 000 61 20 01 -12.1 -15.4 28.65 19 37 142 328 002 82 86 55 -12-13-14 000 62 20 02 -12.2 -15.4 28.66 19 36 144 329 002 83 87 58 -12-13-14 000 63 20 03 -12.3 -15.5 28.66 18 35 147 332 000 84 87 62 -12-13-14 000 64 20 04 -12.6 -15.8 28.67 18 35 147 333 004 84 87 62 -12-13-14 000 65 20 05 -12.9 -16.0 28.67 17 35 146 331 000 84 86 62 -12-13-14 000 66 20 06 -13.4 -16.4 28.68 17 36 146 331 000 86 86 60 -13-13-14 000 67 20 07 -13.9 -16.8 28.69 17 36 149 335 000 87 86 62 -13-14-14 000 68 20 08 -14.3 -17.2 28.70 17 37 151 336 001 87 85 62 -13-14-14 000 69 20 09 -14.6 -17.6 28.71 18 38 150 335 000 87 84 59 -13-14-14 000 70 20 10 -15.0 -17.9 28.71 17 38 147 332 000 87 85 58 -14-14-15 000 71 20 11 -15.5 -18.4 28.72 17 38 146 331 -001 88 85 59 -14-15-15 000 72 20 12 -15.9 -18.8 28.73 17 37 146 331 000 89 84 62 -15-15-15 000 73 20 13 -16.2 -19.2 28.74 17 36 147 332 000 89 85 69 -15-15-15 000 74 20 14 -16.8 -19.5 28.74 16 35 148 333 -003 91 87 79 -15-16-14 000 75 20 15 -17.0 -19.7 28.75 16 34 149 334 000 92 91 60 -16-16-15 000 76 20 16 -17.1 -19.6 28.75 16 33 150 335 000 93 96 50 -16-16-16 000 77 20 17 -16.3 -19.1 28.76 19 33 143 329 -001 90107 46 -16-17-18 000 78 20 18 -16.0 -18.1 28.77 19 29 128 314 -001 97119 47 -17-18-19 000 79 20 19 -17.3 -18.7 28.79 18 28 116 301 001 105120 50 -18-19-19 000 80 20 20 -18.8 -20.4 28.82 17 28 116 301 002 105121 51 -20-19-20 000 81 20 21 -19.1 -20.8 28.83 14 26 111 297 000 105121 51 -20-20-20 000 82 20 22 -18.8 -20.7 28.84 10 25 117 303 000 103115 48 -19-19-19 000 83 20 23 -19.0 -20.6 28.84 6 23 135 320 -001 105110 50 -18-18-19 000 84 21 00 -19.0 -20.6 28.83 4 21 177 2 -004 106106 58 -17-17-17 000 85 21 01 -16.4 -18.8 28.82 12 27 148 334 001 94 96 52 -16-17-16 000 86 21 02 -16.2 -18.8 28.82 12 26 146 332 -001 92 91 52 -16-16-15 000 87 21 03 -16.5 -19.0 28.81 10 27 146 332 -002 93 86 46 -15-16-14 000 88 21 04 -16.6 -19.0 28.80 11 26 157 342 001 94 87 47 -15-16-14 000 89 21 05 -16.9 -19.0 28.79 10 25 163 349 001 98 89 48 -15-16-16 000 90 21 06 -17.4 -19.1 28.78 9 26 166 352 -001 103 87 45 -15-15-15 000 91 21 07 -16.7 -18.7 28.77 13 30 162 347 000 99 81 48 -14-15-14 000 92 21 08 -17.2 -18.7 28.76 11 30 165 351 000 104 81 52 -14-14-14 000 93 21 09 -17.3 -18.8 28.75 12 31 163 349 -001 104 76 50 -14-14-13 000 94 21 10 -17.6 -19.2 28.75 11 32 164 349 000 103 72 43 -14-14-12 000 95 21 11 -17.9 -19.6 28.74 11 33 160 346 001 102 60 41 -14-13-11 000 96 21 12 -17.8 -20.0 28.73 12 36 165 350 000 97 57 38 -14-13-11 000 97 21 13 -17.3 -20.2 28.73 14 38 159 344 -001 90 54 33 -14-14-11 000 98 21 14 -17.2 -20.4 28.72 15 38 156 341 001 86 53 28 -14-14-11 000 99 21 15 -17.5 -20.6 28.71 14 38 158 344 -003 87 55 29 -14-14-12 000 100 21 16 -17.0 -20.5 28.70 15 38 159 345 001 83 59 32 -14-14-13 000 101 21 17 -16.9 -20.5 28.70 15 36 163 349 000 83 64 37 -15-15-14 000 102 21 18 -16.7 -20.4 28.71 15 35 164 349 -001 82 64 41 -14-15-14 000 103 21 19 -16.2 -20.0 28.70 15 36 165 350 000 81 64 39 -14-15-14 000 104 21 20 -15.5 -19.4 28.70 16 35 165 351 001 80 65 35 -14-15-15 000 105 21 21 -14.9 -18.8 28.70 15 34 166 351 003 79 64 35 -14-14-15 000 106 21 22 -14.2 -18.3 28.69 16 35 165 350 001 77 63 37 -13-14-14 000 107 21 23 -13.8 -17.6 28.69 15 33 171 356 001 79 66 41 -13-14-15 000 108 22 00 -13.4 -17.3 28.69 16 34 165 351 004 78 68 47 -13-14-15 000 109 22 01 -13.2 -17.0 28.68 16 33 164 349 002 79 72 50 -13-14-15 000 110 22 02 -13.2 -16.8 28.67 16 33 164 349 001 80 75 52 -13-14-15 000 111 22 03 -13.4 -16.9 28.67 16 32 163 348 003 81 77 53 -13-14-15 000 112 22 04 -13.7 -17.1 28.67 16 32 163 348 000 83 78 54 -13-14-15 000 113 22 05 -14.2 -17.4 28.67 15 31 162 348 001 84 80 55 -13-14-16 000 114 22 06 -14.7 -17.6 28.68 14 31 161 347 001 88 80 53 -13-14-15 000 115 22 07 -15.4 -17.9 28.69 14 31 162 347 -001 91 79 52 -13-14-15 000 116 22 08 -16.0 -18.2 28.71 13 31 161 347 -001 95 78 52 -14-14-15 000 117 22 09 -16.8 -18.6 28.72 12 30 159 344 000 100 74 53 -14-14-15 000 118 22 10 -17.2 -18.9 28.73 13 31 157 343 000 102 69 50 -14-14-14 000 119 22 11 -17.7 -19.4 28.74 12 30 160 345 000 103 65 47 -14-13-13 000 120 22 12 -18.1 -19.8 28.75 12 29 161 347 -001 103 62 45 -14-13-13 000 * 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.