Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 12DEC 2025 Clouds Bases and Tops are now agl HR Valid 2m Tmp 2m Dpt 10m Dir 10m Spd TPrcp CPrcp 1000-500 500mb 850mb 500mb MSLP TCC PRS WX Low Middle High Max Min Sfc Snowfall PWAT 925mb Deg F Deg F deg kt in. in. Thk GPH Tmp Tmp mb % TEXT Clouds Clouds Clouds Tmp Tmp Vis in in Tmp 0 12/12 12Z 47 30 44 3 0.00 0.00 568 583 19.6 -12.5 1017.8 0 CLR CLR CLR **** **** 15.0 0.0 0.229 19.8 3 12/12 15Z 44 29 45 3 0.00 0.00 568 583 20.2 -12.4 1018.0 0 CLR CLR CLR 47 44 15.0 0.0 0.228 20.0 6 12/12 18Z 53 30 35 2 0.00 0.00 568 584 19.7 -12.4 1018.7 0 CLR CLR CLR 53 44 15.0 0.0 0.233 19.1 9 12/12 21Z 61 35 329 2 0.00 0.00 568 582 18.9 -12.4 1016.5 0 CLR CLR CLR 61 53 15.0 0.0 0.245 18.6 12 12/13 00Z 59 38 331 2 0.00 0.00 568 581 18.5 -12.4 1015.3 0 CLR CLR CLR 62 53 15.0 0.0 0.246 18.6 15 12/13 03Z 53 37 73 2 0.00 0.00 567 581 18.2 -12.4 1016.2 0 CLR CLR CLR 59 53 15.0 0.0 0.242 18.2 18 12/13 06Z 52 36 55 3 0.00 0.00 567 581 17.5 -12.7 1016.8 0 CLR CLR CLR 59 52 15.0 0.0 0.241 17.8 21 12/13 09Z 51 35 57 2 0.00 0.00 566 580 16.4 -12.9 1016.8 0 CLR CLR CLR 52 51 15.0 0.0 0.250 17.0 24 12/13 12Z 50 34 52 3 0.00 0.00 565 579 15.8 -13.2 1016.4 0 CLR CLR CLR 52 50 15.0 0.0 0.252 16.9 27 12/13 15Z 49 33 59 3 0.00 0.00 564 578 15.2 -13.6 1017.0 0 CLR CLR CLR 50 49 15.0 0.0 0.254 16.7 30 12/13 18Z 57 35 13 2 0.00 0.00 564 579 14.6 -13.9 1018.1 0 CLR CLR CLR 57 49 15.0 0.0 0.266 16.7 33 12/13 21Z 63 37 318 3 0.00 0.00 563 577 14.2 -14.5 1016.7 0 CLR CLR CLR 63 57 15.0 0.0 0.297 16.3 36 12/14 00Z 60 39 308 2 0.00 0.00 563 577 14.5 -14.8 1015.9 0 CLR CLR CLR 64 57 15.0 0.0 0.307 17.0 39 12/14 03Z 56 38 86 2 0.00 0.00 563 577 14.3 -15.0 1017.1 0 CLR CLR CLR 61 55 15.0 0.0 0.313 16.9 42 12/14 06Z 54 37 91 2 0.00 0.00 562 577 14.5 -15.3 1017.8 0 CLR CLR CLR 61 53 15.0 0.0 0.301 17.2 45 12/14 09Z 53 37 41 2 0.00 0.00 562 577 13.6 -15.2 1018.4 0 CLR CLR CLR 54 53 15.0 0.0 0.298 16.4 48 12/14 12Z 51 36 26 2 0.00 0.00 561 576 13.3 -15.0 1018.4 0 CLR CLR CLR 54 51 15.0 0.0 0.293 16.0 51 12/14 15Z 50 36 25 2 0.00 0.00 561 577 13.3 -14.6 1019.5 0 CLR CLR CLR 51 50 15.0 0.0 0.286 16.2 54 12/14 18Z 58 38 56 1 0.00 0.00 562 579 14.0 -14.2 1020.4 0 CLR CLR CLR 58 50 15.0 0.0 0.283 16.8 57 12/14 21Z 63 38 300 4 0.00 0.00 562 578 13.7 -14.2 1019.3 38 CLR CLR 299SCT357 63 58 15.0 0.0 0.315 16.4 60 12/15 00Z 61 41 314 2 0.00 0.00 563 579 14.2 -13.3 1018.7 39 CLR CLR 288SCT336 64 58 15.0 0.0 0.330 16.9 63 12/15 03Z 56 39 40 1 0.00 0.00 563 580 14.1 -12.6 1020.2 95 CLR 227SCT245 302BKN352 61 56 15.0 0.0 0.340 16.6 66 12/15 06Z 55 39 53 2 0.00 0.00 563 581 14.2 -12.9 1021.1 98 CLR 227FEW244 303BKN368 61 54 15.0 0.0 0.357 16.7 69 12/15 09Z 53 38 40 2 0.00 0.00 563 581 14.2 -11.6 1021.6 48 CLR 220FEW245 310SCT374 54 53 15.0 0.0 0.429 16.4 72 12/15 12Z 52 38 35 2 0.00 0.00 563 582 14.2 -11.8 1022.1 65 CLR 208FEW228 285BKN357 54 52 15.0 0.0 0.487 16.3 75 12/15 15Z 51 37 6 2 0.00 0.00 564 583 14.0 -11.7 1023.6 70 CLR 182FEW217 286BKN329 52 51 15.0 0.0 0.523 16.3 78 12/15 18Z 58 38 65 1 0.00 0.00 565 585 14.7 -12.3 1024.3 83 CLR 196FEW225 298BKN364 58 51 15.0 0.0 0.557 17.0 81 12/15 21Z 63 38 316 3 0.00 0.00 565 584 13.9 -12.6 1022.3 95 CLR 204FEW245 283BKN367 63 58 15.0 0.0 0.627 16.8 84 12/16 00Z 61 38 299 4 0.00 0.00 564 583 13.2 -11.2 1022.2 52 CLR 201FEW239 285BKN367 63 58 15.0 0.0 0.677 16.4 87 12/16 03Z 57 38 247 2 0.00 0.00 565 584 13.9 -10.4 1022.5 74 CLR CLR 303BKN364 60 56 15.0 0.0 0.841 16.5 90 12/16 06Z 55 40 250 1 0.00 0.00 565 583 13.8 -10.3 1021.8 69 CLR CLR 310BKN369 60 55 15.0 0.0 0.854 16.0 93 12/16 09Z 55 41 126 5 0.00 0.00 566 583 14.6 -10.4 1020.8 28 CLR 228FEW246 304FEW321 55 54 15.0 0.0 0.971 16.8 96 12/16 12Z 54 41 139 3 0.00 0.00 565 583 13.7 -9.5 1020.5 55 CLR 228FEW245 319SCT355 55 54 15.0 0.0 1.008 16.1 99 12/16 15Z 53 42 135 3 0.00 0.00 565 583 13.9 -10.5 1020.6 6 CLR CLR 337FEW376 54 53 15.0 0.0 0.965 15.6 102 12/16 18Z 59 48 194 1 0.00 0.00 565 583 12.7 -9.9 1021.8 18 CLR CLR 309FEW380 59 53 15.0 0.0 1.034 15.1 105 12/16 21Z 63 56 257 3 0.00 0.00 564 581 12.0 -9.7 1020.4 29 014FEW020 CLR 336FEW360 63 59 15.0 0.0 0.996 13.8 108 12/17 00Z 62 57 220 2 0.00 0.00 563 580 11.4 -9.9 1020.2 62 010SCT027 CLR 318SCT341 63 59 15.4 0.0 1.002 12.4 111 12/17 03Z 60 57 213 2 0.00 0.00 563 580 10.4 -9.7 1020.7 99 000OVC037 CLR 326BKN409 62 60 13.5 0.0 1.055 12.9 114 12/17 06Z 59 58 273 3 0.00 0.00 562 580 9.8 -10.3 1021.2 95 007BKN038 CLR 327BKN404 62 59 15.9 0.0 1.084 12.4 117 12/17 09Z 58 57 280 3 0.01 0.00 561 578 8.6 -10.8 1020.6 100 -RA 000BKN047 CLR 340OVC406 59 58 5.7 0.0 1.177 12.3 120 12/17 12Z 58 57 207 2 0.01 0.00 560 577 8.0 -11.4 1019.6 100 -RA 000BKN053 CLR 329BKN403 59 57 7.1 0.0 1.341 11.6 123 12/17 15Z 58 56 299 3 0.00 0.00 559 576 8.6 -12.7 1020.2 100 000BKN040 182FEW200 298BKN345 58 57 14.5 0.0 1.106 11.5 126 12/17 18Z 59 54 299 3 0.00 0.00 559 576 8.5 -12.4 1021.1 99 000BKN028 189FEW207 289BKN347 59 57 15.0 0.0 0.781 12.4 129 12/17 21Z 60 54 290 6 0.00 0.00 559 575 8.6 -13.1 1019.0 42 FEW FEW 260SCT334 61 59 15.0 0.0 0.736 11.8 132 12/18 00Z 59 52 270 5 0.00 0.00 559 574 9.6 -12.3 1018.1 25 FEW 196FEW207 265FEW337 61 59 15.0 0.0 0.701 11.4 135 12/18 03Z 54 47 270 5 0.00 0.00 558 574 9.5 -11.8 1019.6 69 105FEW120 128FEW162 354BKN418 59 54 15.0 0.0 0.657 10.4 138 12/18 06Z 53 45 232 3 0.00 0.00 558 574 9.7 -11.6 1020.1 84 104FEW120 124FEW152 324BKN418 59 53 15.0 0.0 0.777 10.0 141 12/18 09Z 52 44 209 2 0.00 0.00 557 573 9.3 -12.9 1019.3 90 103FEW119 131FEW144 303BKN403 53 52 15.0 0.0 0.947 9.4 144 12/18 12Z 52 43 174 3 0.00 0.00 557 572 8.6 -12.4 1018.9 63 095FEW107 131FEW143 317BKN403 53 51 15.0 0.0 0.984 10.2 147 12/18 15Z 53 44 157 2 0.00 0.00 557 573 7.4 -13.8 1019.2 43 050SCT066 157FEW191 382FEW406 53 51 15.0 0.0 1.031 11.1 150 12/18 18Z 57 44 132 4 0.00 0.00 557 574 8.8 -13.6 1019.9 71 044BKN072 158SCT226 382SCT412 57 51 15.0 0.0 1.094 11.8 153 12/18 21Z 61 47 248 1 0.00 0.00 557 572 8.0 -13.3 1017.7 69 069SCT080 131SCT223 381FEW417 61 57 15.0 0.0 1.163 11.8 156 12/19 00Z 59 47 322 5 0.00 0.00 557 572 7.8 -12.8 1017.2 84 041BKN074 124BKN224 361SCT416 62 57 15.0 0.0 1.206 11.6 159 12/19 03Z 56 49 316 4 0.00 0.00 557 572 7.3 -13.1 1018.1 100 016OVC067 138BKN236 340OVC409 59 56 15.0 0.0 1.249 11.4 162 12/19 06Z 55 50 334 2 0.00 0.00 557 572 7.1 -12.8 1017.7 100 020OVC060 131BKN238 339OVC407 59 55 15.0 0.0 1.268 11.5 165 12/19 09Z 55 52 40 1 0.00 0.00 558 571 8.1 -12.6 1016.4 100 068BKN096 120BKN242 339BKN378 56 55 15.0 0.0 1.276 11.3 168 12/19 12Z 56 52 135 3 0.00 0.00 558 570 7.6 -12.9 1015.1 100 048BKN104 119BKN242 345BKN386 56 55 15.0 0.0 1.336 11.2