AWS LETTAU site lat/lon = (-82.4750,-174.5870) cell lat/lon = (-82.4835,-174.5965) Forecast initialized at 2025-09-19/00 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 19 00 -16.5 -22.1 28.53 15 19 196 21 000 61 41 94 -15-14-15 000 1 19 01 -16.5 -21.3 28.52 15 26 198 23 -002 73 46101 -15-14-15 000 2 19 02 -16.4 -21.2 28.48 18 30 197 23 -003 72 55103 -15-13-15 000 3 19 03 -15.9 -20.1 28.46 18 32 191 17 -004 77 81106 -15-14-15 003 4 19 04 -14.7 -17.1 28.45 18 32 182 7 -002 93 96105 -14-14-15 021 5 19 05 -13.3 -15.4 28.43 18 30 173 358 -005 94102103 -14-15-16 029 6 19 06 -13.4 -15.4 28.40 16 26 173 358 000 95102102 -14-15-15 018 7 19 07 -13.5 -15.4 28.38 14 24 175 0 -001 97103104 -14-14-14 015 8 19 08 -13.2 -14.8 28.35 12 23 176 2 000 99105 97 -13-14-14 004 9 19 09 -12.9 -14.7 28.33 10 20 172 357 001 97101 93 -13-14-13 001 10 19 10 -13.1 -15.2 28.34 9 20 169 354 000 94 96 89 -13-14-13 002 11 19 11 -13.4 -15.3 28.32 9 19 172 358 -003 96 95 90 -13-14-13 001 12 19 12 -12.9 -14.8 28.30 9 20 166 351 000 96 98 94 -13-14-13 002 13 19 13 -12.6 -14.2 28.28 9 19 163 349 -001 98102 97 -12-14-12 007 14 19 14 -12.5 -14.1 28.28 10 20 155 341 000 98102 98 -13-14-13 011 15 19 15 -12.6 -14.5 28.28 12 22 145 330 -003 96101101 -13-14-14 014 16 19 16 -12.7 -14.4 28.28 9 19 147 333 -001 98100102 -13-14-14 022 17 19 17 -12.9 -14.7 28.27 9 19 140 326 -003 97 99102 -13-14-14 021 18 19 18 -13.1 -14.7 28.27 7 17 149 334 -004 99 99102 -13-14-15 020 19 19 19 -13.0 -14.6 28.28 7 15 151 336 -002 99 99101 -13-15-15 025 20 19 20 -13.0 -14.7 28.29 7 13 139 324 -002 99101 99 -14-15-15 023 21 19 21 -13.7 -15.6 28.30 9 12 110 295 000 97 99101 -14-15-14 022 22 19 22 -14.6 -16.5 28.32 9 12 110 296 000 98100 99 -15-15-13 014 23 19 23 -15.8 -17.5 28.35 8 14 112 297 001 101101101 -15-15-13 003 24 20 00 -16.6 -18.3 28.39 9 14 111 296 000 102 99 98 -15-15-12 001 25 20 01 -16.9 -18.6 28.42 8 13 108 294 -001 103 98100 -14-14-11 000 26 20 02 -16.8 -18.1 28.46 8 12 112 297 -002 107101100 -14-14-12 000 27 20 03 -16.9 -18.2 28.50 9 14 112 297 000 107104100 -14-14-13 001 28 20 04 -17.6 -18.4 28.52 9 13 106 291 000 113107102 -15-14-13 000 29 20 05 -17.1 -18.1 28.54 9 13 99 284 000 111105108 -15-14-13 000 30 20 06 -16.9 -17.9 28.59 8 10 87 273 -001 109105112 -15-14-13 000 31 20 07 -17.7 -19.6 28.64 8 10 70 255 000 101102114 -15-13-13 000 32 20 08 -18.3 -20.5 28.67 8 12 61 247 000 98105115 -16-14-13 000 33 20 09 -18.7 -21.2 28.70 8 11 56 242 -001 96104116 -18-15-14 000 34 20 10 -18.6 -21.2 28.73 8 11 59 244 -001 96103116 -20-15-14 005 35 20 11 -18.8 -21.3 28.78 8 11 67 252 -001 96101109 -20-16-14 010 36 20 12 -19.5 -22.1 28.82 8 12 71 257 -001 96101102 -20-17-16 010 37 20 13 -20.5 -23.1 28.86 9 12 72 258 000 96102104 -21-19-17 011 38 20 14 -21.6 -24.3 28.90 8 12 73 258 000 96100112 -22-18-17 010 39 20 15 -22.6 -25.1 28.94 8 13 80 265 000 99 99113 -23-18-18 007 40 20 16 -21.9 -24.7 28.97 8 13 92 278 -002 95100121 -23-19-18 005 41 20 17 -21.6 -24.5 29.01 8 12 91 276 000 94101107 -23-22-19 002 42 20 18 -21.9 -24.7 29.03 9 12 87 272 -004 95 99102 -23-21-19 005 43 20 19 -22.4 -25.2 29.05 8 14 85 270 -002 96 99107 -23-21-20 006 44 20 20 -22.7 -25.3 29.08 8 14 96 282 -002 99100102 -23-21-20 005 45 20 21 -23.4 -26.2 29.10 8 13 81 267 000 98100103 -24-21-21 003 46 20 22 -23.8 -26.6 29.11 7 12 90 276 -001 97100103 -24-21-21 004 47 20 23 -24.1 -26.8 29.14 7 10 104 290 000 98100105 -24-22-21 004 48 21 00 -26.5 -28.5 29.15 6 7 118 303 000 110 98108 -24-21-20 003 49 21 01 -28.8 -29.9 29.16 5 8 124 310 -001 126 96109 -24-21-20 000 50 21 02 -28.6 -30.2 29.16 6 8 133 318 000 116 98105 -24-22-20 000 51 21 03 -27.3 -29.8 29.16 5 5 128 313 000 103 98103 -24-22-20 000 52 21 04 -26.6 -29.4 29.16 3 3 123 309 -001 99 99 98 -23-22-19 003 53 21 05 -26.5 -29.4 29.17 1 1 122 308 -003 98 99 95 -24-21-19 002 54 21 06 -26.9 -29.8 29.18 3 3 184 9 001 98102 95 -24-22-19 001 55 21 07 -27.5 -30.3 29.17 0 0 232 57 003 100100100 -23-22-19 003 56 21 08 -28.8 -31.2 29.16 5 6 351 176 000 107 97103 -22-20-19 002 57 21 09 -30.4 -31.6 29.17 4 6 322 147 001 127 98105 -23-20-19 000 58 21 10 -31.0 -32.3 29.17 5 7 325 151 001 128 99106 -23-20-19 000 59 21 11 -32.1 -33.9 29.17 4 6 323 149 001 124100107 -23-21-19 000 60 21 12 -32.1 -33.9 29.18 3 7 343 168 000 118100105 -24-20-19 000 61 21 13 -31.5 -33.9 29.19 3 6 3 188 -001 108100101 -25-21-19 001 62 21 14 -30.2 -33.0 29.20 3 4 344 169 000 103102101 -26-21-19 003 63 21 15 -30.0 -33.2 29.21 4 4 349 175 -001 99101103 -26-21-19 004 64 21 16 -30.4 -33.6 29.21 5 5 356 181 000 98101104 -25-20-19 003 65 21 17 -30.8 -34.0 29.21 4 4 355 180 000 98102103 -26-21-19 002 66 21 18 -31.2 -34.5 29.22 3 3 354 180 000 98104103 -26-22-20 003 67 21 19 -31.8 -35.0 29.23 4 4 3 188 001 99103105 -26-22-20 003 68 21 20 -32.8 -36.0 29.25 4 5 15 201 -001 101102105 -26-23-20 002 69 21 21 -33.8 -36.8 29.25 5 5 18 204 -001 105102103 -26-23-20 001 70 21 22 -32.9 -36.1 29.26 2 3 44 230 000 101102103 -26-23-20 000 71 21 23 -33.6 -36.6 29.27 2 2 89 275 000 103101103 -27-23-21 000 72 22 00 -32.2 -35.5 29.28 2 2 107 293 000 98100102 -27-23-21 002 73 22 01 -31.5 -34.8 29.30 5 5 128 313 000 98102103 -28-24-22 006 74 22 02 -31.5 -34.7 29.30 6 8 121 306 -001 99101104 -29-24-21 003 75 22 03 -32.1 -35.1 29.30 5 8 110 295 000 103101104 -29-23-21 001 76 22 04 -33.1 -35.9 29.31 4 9 110 295 000 106102103 -29-24-22 001 77 22 05 -33.9 -36.3 29.32 6 8 148 334 001 113104102 -31-24-22 001 78 22 06 -34.6 -36.8 29.32 6 9 132 317 000 117104103 -31-25-21 000 79 22 07 -35.2 -37.2 29.32 5 12 136 321 001 122104103 -31-24-22 000 80 22 08 -35.9 -37.8 29.32 5 9 155 340 000 124103102 -32-24-22 000 81 22 09 -36.1 -38.0 29.32 5 10 151 337 000 124104104 -32-25-22 000 82 22 10 -36.3 -38.3 29.31 6 11 160 345 000 124104105 -32-25-22 000 83 22 11 -36.7 -38.6 29.30 6 13 165 350 000 123108106 -31-25-22 001 84 22 12 -36.8 -38.7 29.30 6 11 152 338 000 124107103 -30-24-23 000 85 22 13 -38.2 -40.3 29.29 6 10 159 344 001 124101100 -29-25-23 000 86 22 14 -38.8 -40.8 29.28 6 9 175 0 -001 124102 98 -27-25-24 000 87 22 15 -39.0 -41.0 29.27 6 8 195 21 000 124100104 -27-26-24 000 88 22 16 -38.5 -40.4 29.25 7 11 198 23 000 124104109 -27-25-23 000 89 22 17 -37.7 -39.6 29.24 8 15 195 21 000 124101102 -27-24-23 000 90 22 18 -37.5 -39.4 29.23 8 12 197 22 000 124101 97 -27-25-23 000 91 22 19 -36.6 -38.4 29.21 8 13 201 27 000 125101 97 -26-25-23 000 92 22 20 -36.6 -38.4 29.19 8 12 205 31 001 124105 92 -26-25-23 000 93 22 21 -36.5 -38.3 29.17 8 14 202 27 001 124108 92 -27-25-23 000 94 22 22 -36.0 -37.8 29.15 7 18 189 14 000 124107 94 -28-23-22 000 95 22 23 -35.5 -37.3 29.15 7 16 183 9 000 124106 93 -29-23-22 000 96 23 00 -35.0 -36.7 29.14 7 15 178 3 000 125 99 93 -28-22-22 000 97 23 01 -34.6 -36.2 29.13 7 13 180 5 000 126 91 88 -27-23-21 000 98 23 02 -34.7 -36.2 29.11 7 16 192 18 000 127 85 83 -27-23-21 000 99 23 03 -34.1 -35.3 29.09 9 17 188 13 000 130 90 90 -26-23-21 000 100 23 04 -33.4 -34.7 29.07 9 18 184 10 000 129 61 88 -25-23-22 000 101 23 05 -33.3 -34.0 29.05 9 21 183 9 001 137 59 49 -24-24-22 000 102 23 06 -33.1 -33.8 29.04 10 21 185 11 000 137 57 44 -24-23-22 000 103 23 07 -32.2 -32.8 29.03 10 21 181 6 000 136 56 42 -23-23-22 000 104 23 08 -32.3 -32.9 29.01 10 23 181 7 -001 136 55 39 -23-22-22 000 105 23 09 -29.6 -30.4 29.00 11 22 181 6 000 129 53 38 -23-22-22 000 106 23 10 -30.9 -31.5 28.99 11 23 181 6 002 134 49 37 -23-21-21 000 107 23 11 -31.7 -32.3 28.99 11 22 179 4 001 135 47 37 -23-21-21 000 108 23 12 -32.0 -32.6 28.98 11 23 181 6 002 136 45 37 -23-21-21 000 109 23 13 -31.8 -32.4 28.98 12 24 180 5 002 135 45 37 -23-21-21 000 110 23 14 -30.9 -31.5 28.97 12 28 178 4 001 134 48 39 -22-21-21 000 111 23 15 -30.4 -30.9 28.96 12 28 178 3 000 133 46 38 -21-21-21 000 112 23 16 -30.2 -30.7 28.95 12 28 177 2 001 133 52 37 -20-21-21 000 113 23 17 -30.6 -31.2 28.95 10 28 179 4 003 133 52 38 -20-21-21 000 114 23 18 -30.5 -31.1 28.95 11 27 179 5 001 133 50 38 -20-21-21 000 115 23 19 -30.9 -31.6 28.95 10 28 181 6 001 134 51 38 -21-21-21 000 116 23 20 -30.6 -31.3 28.94 10 28 181 7 001 134 49 37 -21-21-20 000 117 23 21 -29.8 -30.6 28.94 10 26 176 2 001 130 48 35 -21-20-20 000 118 23 22 -28.7 -29.8 28.95 12 26 172 358 000 122 48 34 -21-20-19 000 119 23 23 -28.9 -30.0 28.96 11 26 175 0 000 125 51 34 -22-21-20 000 120 24 00 -28.7 -29.6 28.96 11 24 178 4 000 127 49 31 -21-20-20 000 * 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.