AWS LETTAU site lat/lon = (-82.4750,-174.5870) cell lat/lon = (-82.4835,-174.5965) Forecast initialized at 2025-12-22/12 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 22 12 -17.7 -20.3 29.30 4 5 151 337 000 85 65 37 -12-12-11 000 1 22 13 -18.2 -18.8 29.30 5 6 148 334 001 118 65 37 -13-12-11 000 2 22 14 -18.8 -19.4 29.31 5 7 155 340 000 119 63 35 -13-12-11 000 3 22 15 -19.6 -19.9 29.30 3 8 169 355 000 121 62 37 -13-12-12 000 4 22 16 -19.9 -20.2 29.30 3 8 184 9 000 121 64 39 -13-12-12 000 5 22 17 -19.4 -19.6 29.31 3 8 188 13 001 120 66 45 -13-12-12 000 6 22 18 -18.2 -18.9 29.31 4 8 184 9 001 115 68 55 -13-12-12 000 7 22 19 -16.7 -18.1 29.31 4 7 163 349 000 105 69 66 -13-12-12 000 8 22 20 -15.6 -17.7 29.31 5 7 149 334 001 97 70 76 -13-12-12 000 9 22 21 -14.8 -17.1 29.31 5 7 156 341 001 94 68 74 -13-12-12 000 10 22 22 -14.0 -16.5 29.30 5 7 151 336 000 92 65 60 -12-11-12 000 11 22 23 -13.4 -15.9 29.30 6 8 156 342 000 91 57 47 -12-11-11 000 12 23 00 -12.9 -15.7 29.30 6 8 156 342 000 88 52 45 -12-11-11 000 13 23 01 -12.5 -15.2 29.32 6 8 157 342 000 88 50 45 -12-11-11 000 14 23 02 -12.1 -14.9 29.32 5 7 149 335 000 88 49 46 -12-11-11 000 15 23 03 -11.9 -14.6 29.33 4 6 149 334 000 88 49 46 -12-11-11 000 16 23 04 -11.9 -14.4 29.33 3 5 156 341 000 89 47 41 -11-11-11 000 17 23 05 -12.2 -14.4 29.33 3 4 172 357 000 91 47 39 -11-11-11 000 18 23 06 -12.7 -14.7 29.33 3 4 184 10 000 93 47 38 -11-11-11 000 19 23 07 -13.6 -14.9 29.33 4 4 198 23 000 103 49 36 -11-11-11 000 20 23 08 -14.5 -15.7 29.33 4 5 192 18 000 105 51 34 -11-11-11 000 21 23 09 -15.3 -15.8 29.33 3 5 194 20 000 115 51 33 -11-11-11 000 22 23 10 -16.4 -16.9 29.33 3 3 219 44 000 116 49 33 -11-11-11 000 23 23 11 -17.6 -18.1 29.32 3 4 231 57 000 118 48 33 -11-11-11 000 24 23 12 -18.8 -19.0 29.32 3 4 252 78 000 120 46 34 -11-11-11 000 25 23 13 -19.5 -19.8 29.33 2 6 248 74 000 121 47 34 -11-11-11 000 26 23 14 -19.8 -20.1 29.33 3 6 247 72 000 121 49 39 -12-11-11 000 27 23 15 -19.2 -19.5 29.33 4 7 271 96 000 120 41 43 -11-11-11 000 28 23 16 -19.0 -19.3 29.32 4 9 268 93 000 120 52 46 -11-10-11 000 29 23 17 -18.5 -19.3 29.33 2 8 219 44 000 112 63 42 -12-11-11 000 30 23 18 -17.1 -18.4 29.33 3 9 254 79 -002 107 56 39 -12-11-11 000 31 23 19 -15.7 -17.2 29.33 4 9 247 73 001 102 55 30 -11-11-11 000 32 23 20 -14.1 -15.8 29.32 6 10 231 56 -004 99 58 35 -11-11-11 000 33 23 21 -12.9 -14.6 29.32 8 13 203 28 000 98 71 52 -12-11-11 000 34 23 22 -12.3 -14.1 29.32 9 14 173 358 -002 96 88 60 -13-13-13 000 35 23 23 -11.9 -14.2 29.32 9 12 184 9 -001 92 71 51 -13-12-12 000 36 24 00 -11.7 -14.1 29.33 10 13 185 11 002 91 73 40 -13-12-12 000 37 24 01 -11.3 -13.7 29.33 10 14 190 16 -002 90 58 38 -12-12-11 000 38 24 02 -10.9 -13.5 29.32 10 16 195 21 000 88 50 43 -12-11-11 000 39 24 03 -10.4 -13.1 29.32 11 20 194 19 000 86 60 50 -11-11-11 000 40 24 04 -9.8 -12.7 29.32 12 23 169 355 -002 84 77 73 -10-11-11 000 41 24 05 -10.0 -12.9 29.32 12 22 160 346 001 85 66 57 -10-11-12 000 42 24 06 -10.4 -13.1 29.32 10 22 172 358 000 87 60 61 -10-10-11 000 43 24 07 -10.6 -13.3 29.32 11 24 177 3 001 86 58 60 -10-10-10 000 44 24 08 -10.7 -13.6 29.32 11 24 180 6 000 84 53 59 -8 -9-10 000 45 24 09 -11.4 -14.2 29.31 9 21 183 9 000 85 50 45 -8 -8-10 000 46 24 10 -12.3 -14.9 29.31 9 22 191 16 000 87 43 37 -7 -8 -9 000 47 24 11 -12.7 -15.1 29.30 10 22 187 12 001 90 39 40 -7 -8 -9 000 48 24 12 -12.8 -14.5 29.29 8 19 195 20 000 97 54 49 -6 -7 -8 000 49 24 13 -11.7 -12.5 29.29 10 23 185 11 002 106 52 48 -7 -6 -7 000 50 24 14 -9.9 -10.9 29.29 13 27 179 4 -006 102 67 60 -7 -6 -5 000 51 24 15 -9.2 -11.5 29.29 13 26 171 357 000 89 66 53 -8 -6 -5 000 52 24 16 -9.1 -11.5 29.29 13 27 178 4 004 87 67 53 -8 -6 -5 000 53 24 17 -8.4 -10.9 29.30 14 28 176 1 006 86 66 50 -8 -7 -5 000 54 24 18 -7.9 -10.5 29.30 16 27 174 359 -004 85 75 47 -8 -8 -5 000 55 24 19 -7.3 -10.0 29.30 17 28 164 349 000 84 63 46 -7 -6 -5 000 56 24 20 -7.0 -9.6 29.31 16 27 163 348 000 84 73 43 -7 -7 -5 000 57 24 21 -6.7 -9.3 29.32 15 25 160 346 -001 84 69 41 -7 -7 -5 000 58 24 22 -6.3 -9.0 29.33 15 24 159 344 -002 83 68 37 -7 -7 -5 000 59 24 23 -6.1 -8.7 29.34 15 24 157 342 000 83 64 40 -7 -7 -5 000 60 25 00 -5.9 -8.5 29.33 14 23 157 342 001 83 66 38 -7 -7 -4 000 61 25 01 -5.7 -8.3 29.33 13 23 155 340 000 83 70 34 -6 -7 -4 000 62 25 02 -5.6 -8.1 29.34 12 21 159 345 -003 84 79 35 -6 -7 -5 000 63 25 03 -5.6 -7.9 29.34 11 20 162 348 000 85 81 35 -6 -7 -5 000 64 25 04 -5.7 -7.9 29.34 11 19 166 351 000 86 82 34 -6 -7 -5 000 65 25 05 -5.9 -8.0 29.34 11 19 167 352 001 88 80 34 -6 -7 -5 000 66 25 06 -6.3 -8.2 29.34 10 19 169 354 000 89 78 35 -6 -7 -5 000 67 25 07 -6.8 -8.6 29.34 10 20 172 357 001 90 78 35 -6 -7 -5 000 68 25 08 -7.3 -9.0 29.35 9 20 172 357 001 92 76 33 -6 -7 -5 000 69 25 09 -7.9 -9.3 29.34 9 20 171 356 001 95 73 35 -6 -6 -5 000 70 25 10 -8.5 -9.7 29.35 9 19 171 357 002 98 64 34 -6 -6 -5 000 71 25 11 -9.1 -10.1 29.35 9 19 171 357 001 101 60 32 -6 -6 -5 000 72 25 12 -9.5 -10.4 29.35 8 19 172 357 000 103 54 34 -6 -5 -5 000 73 25 13 -9.8 -10.7 29.36 8 20 174 359 002 102 52 24 -5 -5 -5 000 74 25 14 -9.8 -11.2 29.35 8 17 176 1 000 98 49 29 -5 -5 -5 000 75 25 15 -9.8 -11.7 29.35 9 18 177 3 000 93 49 17 -5 -5 -5 000 76 25 16 -9.8 -12.2 29.35 8 17 182 7 000 87 48 16 -4 -5 -6 000 77 25 17 -9.6 -12.1 29.35 9 20 181 7 001 87 42 20 -4 -5 -5 000 78 25 18 -8.8 -11.4 29.34 10 20 174 359 000 86 43 25 -6 -5 -5 000 79 25 19 -8.0 -10.8 29.34 10 21 174 0 000 83 42 28 -6 -5 -5 000 80 25 20 -7.4 -10.2 29.34 11 20 175 1 001 82 41 28 -6 -4 -5 000 81 25 21 -6.9 -9.7 29.34 12 21 171 356 001 82 44 27 -7 -5 -5 000 82 25 22 -6.5 -9.3 29.34 12 20 173 358 002 83 45 28 -7 -5 -5 000 83 25 23 -6.1 -8.8 29.34 13 20 172 357 000 83 49 33 -7 -5 -5 000 84 26 00 -5.7 -8.4 29.33 13 20 171 356 001 82 48 32 -6 -5 -5 000 85 26 01 -5.4 -8.1 29.32 12 20 168 354 001 82 47 35 -6 -5 -5 000 86 26 02 -5.3 -7.8 29.32 11 19 170 355 001 83 47 35 -6 -5 -5 000 87 26 03 -5.3 -7.7 29.32 12 21 168 354 001 84 52 34 -6 -6 -5 000 88 26 04 -5.2 -7.6 29.31 12 23 167 352 000 84 57 33 -5 -6 -5 000 89 26 05 -5.3 -7.7 29.31 10 22 174 359 001 84 63 31 -5 -6 -5 000 90 26 06 -5.7 -7.9 29.30 10 23 172 358 000 86 53 36 -5 -5 -5 000 91 26 07 -6.2 -8.6 29.30 9 24 171 356 002 84 51 42 -4 -5 -5 000 92 26 08 -6.9 -9.1 29.30 9 22 189 14 000 86 56 40 -5 -5 -5 000 93 26 09 -7.5 -9.5 29.30 9 21 185 11 000 89 51 44 -5 -5 -5 000 94 26 10 -8.2 -10.2 29.30 9 21 185 11 001 89 50 44 -5 -5 -5 000 95 26 11 -8.5 -10.4 29.30 9 21 186 11 000 91 50 45 -5 -5 -5 000 96 26 12 -9.0 -10.6 29.29 9 20 186 11 001 94 52 43 -5 -5 -5 000 97 26 13 -9.3 -10.4 29.28 9 21 184 9 000 99 59 43 -5 -5 -5 000 98 26 14 -9.2 -10.5 29.28 10 21 180 5 000 97 63 44 -5 -5 -5 000 99 26 15 -9.0 -10.7 29.28 10 20 177 3 000 93 63 42 -5 -5 -5 000 100 26 16 -8.7 -10.7 29.27 10 21 177 3 001 91 63 40 -6 -5 -4 000 101 26 17 -8.4 -10.5 29.27 11 20 177 2 000 89 63 39 -6 -5 -5 000 102 26 18 -7.9 -10.1 29.27 11 19 176 2 000 88 60 37 -6 -5 -5 000 103 26 19 -7.4 -9.6 29.28 11 19 179 4 000 88 58 41 -6 -4 -5 000 104 26 20 -6.8 -9.2 29.28 11 21 180 6 001 86 61 39 -7 -5 -5 000 105 26 21 -6.0 -8.7 29.28 12 21 174 0 000 83 65 42 -6 -6 -5 000 106 26 22 -5.3 -8.1 29.28 12 22 171 356 000 81 66 43 -6 -6 -5 000 107 26 23 -4.9 -7.5 29.28 13 22 168 354 000 82 69 49 -6 -6 -5 000 108 27 00 -4.6 -7.1 29.28 14 23 168 353 001 82 79 55 -5 -6 -6 000 109 27 01 -4.3 -6.8 29.27 13 22 166 352 000 82 85 53 -5 -6 -7 000 110 27 02 -4.2 -6.6 29.27 13 21 167 353 002 84 91 51 -5 -6 -7 000 111 27 03 -4.2 -6.4 29.27 12 21 168 354 002 85 92 50 -5 -6 -7 000 112 27 04 -4.3 -6.4 29.26 11 19 169 355 000 86 93 47 -5 -6 -7 000 113 27 05 -4.7 -6.5 29.26 10 19 172 357 000 88 94 37 -5 -6 -7 000 114 27 06 -5.1 -6.7 29.26 10 18 173 358 000 90 97 30 -5 -6 -7 000 115 27 07 -5.6 -7.0 29.26 9 18 176 1 000 93 98 31 -5 -7 -7 000 116 27 08 -6.1 -7.1 29.26 9 18 177 3 -001 97 96 36 -5 -7 -7 000 117 27 09 -6.6 -7.2 29.26 9 18 174 359 000 101 96 30 -5 -7 -7 000 118 27 10 -7.0 -7.4 29.26 9 18 171 356 000 104 97 33 -5 -6 -6 000 119 27 11 -7.3 -7.5 29.27 9 19 167 353 -001 107 97 34 -5 -6 -6 000 120 27 12 -7.5 -7.7 29.27 9 17 168 354 -001 107 95 41 -6 -6 -5 000 * 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.