Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 26DEC 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 12/26 12Z 52 45 197 13 0.00 0.00 539 549 1.1 -24.0 1012.2 0 CLR CLR CLR **** **** 13.9 0.0 0.502 6.3 3 12/26 15Z 52 45 190 12 0.00 0.00 539 549 1.8 -24.6 1012.6 1 CLR CLR CLR 52 52 15.2 0.0 0.496 6.4 6 12/26 18Z 55 46 195 15 0.00 0.00 539 551 1.7 -24.9 1014.4 1 CLR 124FEW132 CLR 55 52 15.0 0.0 0.490 6.0 9 12/26 21Z 56 45 206 15 0.00 0.00 539 551 1.5 -25.7 1013.4 1 -RA CLR CLR CLR 56 55 14.6 0.0 0.639 6.5 12 12/27 00Z 54 48 200 12 0.02 0.02 540 551 2.1 -25.9 1013.2 40 -RA 061SCT108 125FEW147 234FEW249 56 54 8.1 0.0 0.722 6.4 15 12/27 03Z 51 47 274 6 0.08 0.08 539 551 2.0 -26.7 1014.8 77 -TSRA 029SCT088 197SCT231 233BKN259 53 51 12.2 0.0 0.553 6.5 18 12/27 06Z 50 45 291 5 0.01 0.01 538 552 1.7 -26.4 1016.7 40 -TSRA 030FEW088 197FEW230 233SCT259 53 50 15.0 0.0 0.524 5.5 21 12/27 09Z 50 45 275 8 0.00 0.00 539 553 1.4 -24.7 1017.2 7 053FEW080 225FEW234 CLR 50 49 15.0 0.0 0.522 5.6 24 12/27 12Z 49 44 289 8 0.00 0.00 540 555 0.6 -23.1 1018.0 6 057FEW076 CLR CLR 50 49 15.0 0.0 0.482 5.0 27 12/27 15Z 49 44 325 6 0.00 0.00 542 558 -0.1 -22.9 1019.4 56 023BKN062 CLR CLR 49 48 15.0 0.0 0.492 4.7 30 12/27 18Z 50 44 345 3 0.00 0.00 543 561 -0.2 -22.9 1021.8 77 012BKN065 CLR CLR 50 48 15.0 0.0 0.494 4.5 33 12/27 21Z 52 44 321 4 0.00 0.00 544 561 -0.1 -22.2 1021.2 97 030BKN061 CLR 240FEW260 52 50 15.0 0.0 0.509 4.4 36 12/28 00Z 53 44 334 3 0.00 0.00 545 563 0.4 -21.8 1021.0 67 033BKN060 CLR 241FEW260 54 50 15.0 0.0 0.482 5.4 39 12/28 03Z 48 43 29 6 0.00 0.00 547 565 2.4 -20.2 1022.7 5 048FEW056 CLR CLR 53 48 15.0 0.0 0.437 5.1 42 12/28 06Z 47 42 51 3 0.00 0.00 549 568 4.0 -18.6 1023.5 2 049FEW056 CLR CLR 53 47 15.0 0.0 0.378 5.4 45 12/28 09Z 46 41 15 2 0.00 0.00 550 570 4.7 -17.2 1024.4 28 CLR CLR 317SCT380 47 46 15.0 0.0 0.371 5.5 48 12/28 12Z 46 41 107 2 0.00 0.00 551 571 6.1 -16.8 1024.5 64 CLR CLR 278BKN375 47 45 15.0 0.0 0.367 5.7 51 12/28 15Z 45 39 96 1 0.00 0.00 551 572 6.6 -17.8 1025.7 87 CLR 197BKN234 261BKN346 46 45 15.0 0.0 0.384 5.9 54 12/28 18Z 49 39 92 2 0.00 0.00 551 572 7.1 -16.3 1026.6 70 CLR 196SCT234 286BKN350 49 44 15.0 0.0 0.375 6.9 57 12/28 21Z 55 33 14 4 0.00 0.00 551 572 7.7 -15.6 1025.0 0 CLR CLR CLR 55 49 15.0 0.0 0.369 6.5 60 12/29 00Z 53 35 21 5 0.00 0.00 554 574 8.3 -15.7 1024.2 1 CLR CLR CLR 56 49 15.0 0.0 0.347 8.2 63 12/29 03Z 48 34 35 3 0.00 0.00 555 576 8.7 -15.1 1025.5 4 CLR CLR 302FEW319 53 48 15.0 0.0 0.312 8.9 66 12/29 06Z 46 35 36 3 0.00 0.00 557 578 9.0 -14.6 1026.1 3 CLR CLR 314FEW328 53 46 15.0 0.0 0.308 9.5 69 12/29 09Z 45 35 54 3 0.00 0.00 557 578 9.1 -13.9 1025.8 4 CLR CLR 278FEW288 46 45 15.0 0.0 0.350 9.9 72 12/29 12Z 44 34 48 3 0.00 0.00 558 579 10.6 -14.1 1025.0 4 CLR CLR 330FEW344 46 44 15.0 0.0 0.342 11.4 75 12/29 15Z 43 35 29 3 0.00 0.00 560 580 12.1 -13.7 1024.7 5 CLR CLR 352FEW370 44 43 15.0 0.0 0.338 11.9 78 12/29 18Z 49 36 35 3 0.00 0.00 561 582 12.3 -12.8 1025.3 3 CLR CLR 367FEW384 49 43 15.0 0.0 0.356 12.0 81 12/29 21Z 56 35 324 2 0.00 0.00 561 581 12.3 -12.6 1023.4 2 CLR CLR 429FEW441 56 49 15.0 0.0 0.396 12.1 84 12/30 00Z 56 38 355 1 0.00 0.00 562 581 11.8 -12.1 1022.7 1 CLR CLR 425FEW437 57 49 15.0 0.0 0.420 12.9 87 12/30 03Z 50 38 53 3 0.00 0.00 563 582 13.6 -12.0 1022.7 2 CLR CLR 418FEW430 56 50 15.0 0.0 0.431 13.2 90 12/30 06Z 48 36 55 3 0.00 0.00 564 582 14.1 -11.6 1022.5 1 CLR CLR 418FEW430 56 48 15.0 0.0 0.446 13.6 93 12/30 09Z 46 36 51 3 0.00 0.00 563 581 13.5 -11.7 1022.1 0 CLR CLR CLR 48 46 15.0 0.0 0.461 13.5 96 12/30 12Z 45 36 58 3 0.00 0.00 563 581 13.7 -11.9 1021.6 0 CLR CLR CLR 48 45 15.0 0.0 0.493 13.9 99 12/30 15Z 45 36 55 3 0.00 0.00 563 581 13.5 -12.4 1021.9 0 CLR CLR CLR 45 45 15.0 0.0 0.506 14.1 102 12/30 18Z 51 38 63 2 0.00 0.00 564 582 13.5 -12.5 1022.4 0 CLR CLR CLR 51 45 15.0 0.0 0.513 14.1 105 12/30 21Z 58 40 338 2 0.00 0.00 564 581 13.5 -11.9 1019.5 0 CLR CLR CLR 58 51 15.0 0.0 0.540 14.3 108 12/31 00Z 57 42 8 3 0.00 0.00 566 580 14.2 -11.3 1017.3 0 CLR CLR CLR 60 51 15.0 0.0 0.541 14.9 111 12/31 03Z 52 42 51 5 0.00 0.00 564 580 13.6 -12.5 1019.3 0 CLR CLR CLR 57 52 15.0 0.0 0.543 14.7 114 12/31 06Z 50 41 88 4 0.00 0.00 563 580 12.6 -12.3 1020.3 47 CLR CLR 387SCT452 57 50 15.0 0.0 0.548 13.5 117 12/31 09Z 49 41 69 1 0.00 0.00 564 580 12.9 -12.1 1019.4 98 CLR CLR 367OVC441 50 49 15.0 0.0 0.523 14.5 120 12/31 12Z 49 39 67 2 0.00 0.00 564 579 13.2 -12.0 1018.8 99 CLR CLR 366OVC452 50 48 15.0 0.0 0.496 14.6 123 12/31 15Z 48 39 55 4 0.00 0.00 564 579 13.3 -11.6 1018.9 100 CLR CLR 339OVC 49 47 15.0 0.0 0.469 14.7 126 12/31 18Z 52 39 31 3 0.00 0.00 564 580 13.2 -12.1 1019.7 100 CLR CLR 320OVC 52 47 15.0 0.0 0.456 14.3 129 12/31 21Z 57 41 30 2 0.00 0.00 563 578 12.0 -12.2 1018.4 100 CLR CLR 268OVC446 57 52 15.0 0.0 0.417 13.7 132 01/01 00Z 57 43 26 2 0.00 0.00 562 577 12.1 -12.4 1017.6 100 CLR CLR 263OVC444 59 52 15.0 0.0 0.357 14.5 135 01/01 03Z 53 42 82 3 0.00 0.00 561 576 12.3 -12.6 1017.9 100 CLR 230FEW243 260OVC431 57 52 15.0 0.0 0.288 14.6 138 01/01 06Z 52 41 46 2 0.00 0.00 560 575 11.4 -13.4 1018.3 100 CLR 225SCT243 257OVC427 57 51 15.0 0.0 0.288 13.8 141 01/01 09Z 51 39 68 2 0.00 0.00 557 572 10.5 -12.6 1018.4 100 CLR 201OVC241 273OVC389 51 51 15.0 0.0 0.402 13.2 144 01/01 12Z 52 39 43 3 0.00 0.00 557 572 9.8 -11.9 1018.1 100 FEW 172OVC230 284OVC390 52 51 15.0 0.0 0.665 12.6 147 01/01 15Z 53 39 93 3 0.00 0.00 556 572 8.1 -12.8 1019.0 100 091OVC120 124BKN187 265OVC385 53 52 15.0 0.0 0.801 10.9 150 01/01 18Z 54 40 48 3 0.00 0.00 555 572 7.5 -13.1 1020.1 100 086OVC120 135BKN192 253OVC381 54 52 15.0 0.0 0.896 9.3 153 01/01 21Z 55 41 47 2 0.00 0.00 555 571 6.0 -14.1 1018.4 100 069OVC119 131OVC234 253BKN338 55 54 15.0 0.0 0.985 9.7 156 01/02 00Z 54 42 32 1 0.00 0.00 555 570 5.0 -14.5 1018.1 100 061OVC116 131OVC231 279BKN348 56 54 15.0 0.0 1.027 9.5 159 01/02 03Z 54 42 51 2 0.00 0.00 555 571 5.9 -15.2 1018.7 100 048OVC100 120BKN208 308BKN391 55 54 15.0 0.0 1.063 9.2 162 01/02 06Z 53 42 43 2 0.00 0.00 555 571 6.9 -15.6 1019.4 100 046OVC101 120BKN204 301BKN381 55 53 15.0 0.0 1.104 9.3 165 01/02 09Z 53 41 23 2 0.00 0.00 554 571 6.9 -15.5 1019.8 100 -RA 028OVC119 121OVC228 263SCT340 53 52 14.8 0.0 1.097 9.1 168 01/02 12Z 51 43 62 2 0.01 0.00 554 571 7.1 -15.9 1020.4 100 029OVC119 121BKN231 273SCT337 53 51 14.9 0.0 1.113 8.5