USAP SLW site lat/lon = (-84.2350,-154.0423) cell lat/lon = (-84.2341,-154.1427) Forecast initialized at 2025-12-18/00 UTC MPAS cell scale: 2.4 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 18 00 -11.3 -13.4 29.29 5 6 131 337 000 87 82 65 -12-12-13 000 1 18 01 -11.0 -13.2 29.26 5 8 138 344 000 92 85 65 -12-12-13 000 2 18 02 -10.8 -13.1 29.25 6 8 139 345 000 91 84 62 -11-12-12 000 3 18 03 -10.8 -13.0 29.21 6 8 138 344 000 91 84 59 -11-12-12 000 4 18 04 -11.0 -13.0 29.20 5 8 141 347 000 93 83 56 -11-12-12 000 5 18 05 -11.4 -13.2 29.18 5 7 148 353 000 95 82 54 -11-12-12 000 6 18 06 -12.0 -13.6 29.16 4 7 150 356 000 97 79 53 -11-12-12 000 7 18 07 -12.7 -14.1 29.12 4 6 151 357 -001 100 77 52 -11-12-12 000 8 18 08 -13.3 -14.4 29.11 5 7 156 2 002 105 76 52 -11-12-12 000 9 18 09 -13.9 -14.6 29.09 5 7 162 8 000 111 78 53 -11-12-12 000 10 18 10 -14.3 -14.9 29.09 4 7 152 358 000 114 75 53 -11-12-12 000 11 18 11 -14.7 -15.2 29.05 4 7 160 6 000 115 75 52 -12-12-12 000 12 18 12 -15.6 -15.8 29.03 3 6 182 28 000 116 73 49 -12-12-12 000 13 18 13 -15.7 -15.9 29.03 3 7 176 22 000 116 69 43 -11-12-12 000 14 18 14 -15.9 -16.1 29.01 4 8 186 32 000 116 73 54 -12-12-12 000 15 18 15 -15.1 -15.6 28.99 3 8 185 30 000 112 69 52 -12-12-12 000 16 18 16 -14.4 -15.4 28.97 4 9 184 30 000 106 70 49 -12-12-12 000 17 18 17 -13.5 -15.1 28.95 4 8 172 17 000 100 72 48 -12-12-12 000 18 18 18 -12.9 -14.8 28.93 5 8 166 12 000 96 73 41 -12-12-12 000 19 18 19 -12.4 -14.6 28.92 6 9 165 11 000 93 78 40 -12-12-12 000 20 18 20 -12.0 -14.3 28.92 7 10 166 12 000 91 86 39 -12-12-11 000 21 18 21 -11.7 -14.2 28.90 7 10 161 7 000 89 93 40 -12-12-11 000 22 18 22 -11.5 -13.7 28.88 8 12 164 10 000 91 92 40 -13-13-11 000 23 18 23 -11.2 -13.4 28.86 8 12 154 0 -002 92 79 38 -12-12-10 000 24 19 00 -10.6 -12.9 28.84 8 12 146 352 000 90 61 27 -12-11 -7 000 25 19 01 -10.2 -13.1 28.85 8 12 146 352 -001 84 45 34 -10 -9 -7 000 26 19 02 -10.0 -13.0 28.83 9 13 153 359 001 83 37 36 -9 -8 -7 000 27 19 03 -9.7 -12.4 28.83 8 14 157 3 001 86 37 39 -8 -8 -7 000 28 19 04 -9.5 -12.7 28.82 8 14 158 4 000 81 40 26 -7 -7 -7 000 29 19 05 -9.6 -12.0 28.82 9 14 166 12 000 88 37 23 -6 -6 -6 000 30 19 06 -9.8 -11.9 28.81 8 15 165 11 000 91 33 28 -5 -5 -6 000 31 19 07 -9.6 -11.5 28.81 9 16 161 6 001 92 33 26 -5 -5 -6 000 32 19 08 -9.6 -11.1 28.81 9 17 155 1 000 96 34 31 -4 -5 -6 000 33 19 09 -9.8 -11.3 28.81 9 18 156 2 004 96 34 24 -4 -5 -6 000 34 19 10 -9.6 -11.6 28.80 10 22 150 356 003 92 35 24 -4 -5 -6 000 35 19 11 -9.4 -12.1 28.81 11 24 138 344 003 84 36 34 -4 -5 -6 000 36 19 12 -8.9 -12.0 28.82 13 26 140 346 002 81 40 35 -6 -6 -7 000 37 19 13 -9.1 -12.5 28.83 12 29 134 340 002 78 43 34 -7 -7 -7 000 38 19 14 -9.0 -12.5 28.83 12 30 138 344 004 77 44 20 -7 -7 -8 000 39 19 15 -8.7 -12.8 28.83 15 31 135 341 001 73 45 20 -7 -8 -8 000 40 19 16 -8.5 -12.7 28.83 16 29 140 346 009 72 47 35 -8 -8 -9 000 41 19 17 -8.4 -12.5 28.83 16 29 150 356 006 73 47 36 -8 -8 -9 000 42 19 18 -8.1 -12.4 28.82 15 31 148 353 004 71 45 36 -8 -8 -9 000 43 19 19 -7.6 -12.4 28.82 16 32 146 351 005 67 42 44 -7 -8 -9 000 44 19 20 -7.1 -12.1 28.82 18 35 154 359 003 66 49 51 -7 -8 -9 000 45 19 21 -6.4 -12.0 28.81 17 32 172 18 004 61 46 58 -6 -7 -9 000 46 19 22 -5.8 -11.7 28.81 19 32 173 19 005 59 43 66 -5 -7 -8 000 47 19 23 -5.7 -11.2 28.81 19 33 180 26 000 61 50 73 -5 -7 -8 000 48 20 00 -5.8 -10.6 28.80 21 32 173 19 003 67 70 91 -6 -7 -9 000 49 20 01 -7.7 -10.4 28.82 18 24 160 6 007 84 84 65 -9-10-11 000 50 20 02 -9.1 -11.5 28.85 17 21 158 4 005 88 93 68 -10-11-11 000 51 20 03 -8.9 -11.0 28.87 15 20 143 348 004 90107 67 -10-11-12 000 52 20 04 -9.2 -11.3 28.90 13 18 136 342 002 91107 62 -10-11-12 000 53 20 05 -8.6 -10.8 28.93 10 19 127 333 000 89106 88 -10-11-12 000 54 20 06 -8.8 -11.6 28.95 15 18 141 347 000 84100 94 -10-11-13 000 55 20 07 -8.5 -11.1 28.97 12 16 146 352 -004 86100117 -9-11-12 000 56 20 08 -8.0 -10.3 28.99 11 16 134 340 001 87101117 -9-10-12 000 57 20 09 -7.8 -10.3 29.00 15 18 132 337 -007 86100116 -9-10-11 003 58 20 10 -8.2 -10.7 29.03 13 17 135 341 -003 86 96114 -9-11-12 001 59 20 11 -8.3 -10.9 29.05 10 15 137 343 001 85 93115 -9-11-12 000 60 20 12 -8.8 -11.1 29.06 10 17 152 358 001 88 91107 -9-11-12 000 61 20 13 -8.6 -12.3 29.08 8 12 134 340 001 76 86114 -9-11-12 000 62 20 14 -8.2 -11.0 29.09 10 15 152 358 002 83 93114 -9-11-12 000 63 20 15 -8.2 -10.9 29.11 8 11 128 334 001 84 84110 -9-11-12 003 64 20 16 -8.0 -11.3 29.13 10 13 142 348 -003 79 90113 -9-10-12 000 65 20 17 -7.9 -11.3 29.14 7 13 117 323 -001 79 79109 -9-10-12 000 66 20 18 -7.7 -10.7 29.16 9 13 145 350 -003 82 81101 -9-10-11 000 67 20 19 -7.4 -9.8 29.18 5 10 140 346 001 87 99115 -9-10-11 002 68 20 20 -7.2 -11.3 29.19 9 12 136 342 -001 73 85105 -8-10-11 002 69 20 21 -7.4 -11.9 29.21 9 14 113 318 000 70 73 95 -8-10-11 000 70 20 22 -7.3 -11.8 29.22 7 12 112 318 -002 71 81105 -8-10-11 000 71 20 23 -7.1 -11.1 29.22 4 8 142 347 000 75 88113 -8-10-11 000 72 21 00 -6.8 -10.5 29.23 6 9 145 350 001 77 91113 -8 -9-11 003 73 21 01 -6.9 -9.1 29.23 3 6 155 1 003 88100106 -8 -9-11 013 74 21 02 -6.8 -9.4 29.23 3 8 115 321 -003 86 87 92 -8 -9-10 013 75 21 03 -6.9 -10.3 29.24 8 11 149 355 001 76 75 97 -8 -9-10 000 76 21 04 -6.5 -10.2 29.24 7 10 126 332 000 75 74 96 -7 -9-10 001 77 21 05 -7.4 -9.8 29.24 4 8 150 355 -001 85 70 99 -8 -9-10 000 78 21 06 -6.7 -9.4 29.24 4 8 180 26 001 84 69 93 -7 -9-10 000 79 21 07 -7.8 -10.1 29.25 5 10 183 29 000 84 72 88 -7 -9-10 000 80 21 08 -6.6 -9.1 29.25 6 10 164 10 000 85 81 91 -7 -9-10 000 81 21 09 -8.0 -10.0 29.25 6 9 171 17 000 90 64 93 -7 -9-10 000 82 21 10 -10.1 -11.3 29.25 5 9 188 34 001 99 60 85 -7 -8-10 000 83 21 11 -11.0 -11.9 29.26 5 7 181 27 -001 105 67 83 -8 -9-10 000 84 21 12 -11.5 -12.2 29.26 5 6 175 21 000 108 61 85 -7 -8-10 000 85 21 13 -11.6 -12.3 29.25 4 6 177 23 -002 109 64 88 -7 -8-10 000 86 21 14 -11.5 -12.4 29.25 6 9 190 36 001 105 56 80 -7 -8-10 000 87 21 15 -11.3 -12.6 29.25 4 7 197 43 002 100 58 85 -7 -8 -9 000 88 21 16 -11.0 -12.4 29.25 8 10 200 46 001 100 62 81 -7 -8 -9 000 89 21 17 -10.5 -12.4 29.24 4 9 174 20 002 94 63 76 -8 -8-10 000 90 21 18 -10.2 -12.2 29.24 5 7 172 18 000 92 54 62 -7 -8 -9 000 91 21 19 -9.8 -11.8 29.24 5 7 173 19 000 92 55 64 -7 -8 -9 000 92 21 20 -9.2 -11.5 29.24 5 8 177 23 002 90 52 54 -7 -8 -9 000 93 21 21 -8.7 -11.3 29.24 5 9 171 17 002 87 47 51 -8 -8 -9 000 94 21 22 -8.4 -11.2 29.24 6 10 161 7 001 84 46 49 -9 -8 -9 000 95 21 23 -8.3 -10.8 29.23 7 12 173 19 001 86 63 48 -9 -8 -9 000 96 22 00 -8.0 -10.7 29.23 7 10 162 8 002 84 70 46 -9 -9 -9 000 97 22 01 -7.7 -10.1 29.22 7 10 162 8 002 87 89 49 -8 -9 -9 000 98 22 02 -7.5 -9.5 29.22 7 10 166 12 001 90 91 45 -8 -9 -9 000 99 22 03 -7.5 -9.2 29.21 6 10 164 10 000 92 81 46 -8 -9 -9 000 100 22 04 -7.8 -9.4 29.21 5 9 162 8 001 94 68 48 -8 -9 -9 000 101 22 05 -8.5 -9.9 29.21 3 8 158 3 002 95 54 48 -7 -8 -9 000 102 22 06 -9.0 -10.1 29.21 6 9 186 32 001 100 69 48 -8 -9 -9 000 103 22 07 -9.6 -10.5 29.21 6 10 177 23 001 103 79 45 -8 -9 -9 000 104 22 08 -10.4 -11.0 29.21 5 9 180 26 001 107 67 40 -8 -9 -9 000 105 22 09 -11.0 -11.4 29.21 5 10 178 23 000 110 62 49 -8 -9 -9 000 106 22 10 -11.3 -11.7 29.21 5 10 177 23 002 111 63 45 -8 -9-10 000 107 22 11 -11.7 -12.3 29.21 6 11 187 33 001 108 56 39 -7 -8 -9 000 108 22 12 -12.5 -12.8 29.21 6 13 201 47 003 112 47 39 -7 -8 -9 000 109 22 13 -11.8 -13.0 29.21 7 15 187 33 003 102 52 44 -8 -8 -9 000 110 22 14 -11.6 -14.1 29.20 8 17 184 30 000 89 45 45 -8 -8 -9 000 111 22 15 -11.1 -14.0 29.19 10 17 167 13 002 85 63 62 -9 -8 -9 000 112 22 16 -11.0 -13.4 29.19 10 18 150 356 004 90 68 53 -9 -9-10 000 113 22 17 -10.2 -12.5 29.19 11 19 133 339 002 89 66 65 -9 -9 -9 000 114 22 18 -9.8 -12.1 29.20 10 17 122 328 001 89 72 73 -10 -8-10 000 115 22 19 -9.5 -11.5 29.21 11 16 113 319 002 92 68 57 -10 -9-10 000 116 22 20 -9.5 -11.3 29.22 10 14 103 308 001 94 66 59 -9 -9-10 000 117 22 21 -9.0 -11.0 29.23 7 12 116 321 001 91 75 60 -9 -9-10 000 118 22 22 -8.2 -10.4 29.23 7 11 140 345 001 88 60 64 -8 -9-10 000 119 22 23 -7.8 -10.6 29.23 8 12 152 358 000 84 55 61 -8 -8 -9 000 120 23 00 -7.7 -9.9 29.23 8 12 160 6 000 88 56 72 -8 -8 -9 000 * 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.