Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 19OCT 2026 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 10/19 12Z 54 49 267 7 0.00 0.00 562 575 14.5 -12.2 1015.3 69 000BKN000 CLR 000FEW000 **** **** 15.0 0.0 0.479 7.3 3 10/19 15Z 56 47 264 7 0.00 0.00 561 574 14.4 -13.1 1015.1 94 014BKN028 CLR 313FEW336 56 53 15.0 0.0 0.469 6.8 6 10/19 18Z 60 47 271 8 0.00 0.00 560 573 12.8 -13.5 1015.4 62 016BKN029 CLR 310FEW331 60 53 15.0 0.0 0.444 7.9 9 10/19 21Z 61 46 279 9 0.00 0.00 559 571 12.1 -13.6 1013.5 0 CLR CLR CLR 61 60 15.0 0.0 0.459 9.4 12 10/20 00Z 59 47 289 8 0.00 0.00 558 569 10.6 -14.2 1012.0 35 CLR 225FEW241 250SCT279 62 59 15.0 0.0 0.498 10.4 15 10/20 03Z 55 47 277 5 0.00 0.00 557 567 10.7 -14.4 1011.9 100 CLR 223BKN241 252OVC339 59 55 15.0 0.0 0.498 10.2 18 10/20 06Z 55 48 270 4 0.00 0.00 556 566 10.0 -15.3 1012.2 100 CLR 210BKN241 246OVC338 59 55 15.0 0.0 0.520 8.7 21 10/20 09Z 53 48 236 2 0.00 0.00 555 565 8.5 -15.6 1012.0 100 CLR 203FEW235 250OVC332 55 53 15.0 0.0 0.553 8.6 24 10/20 12Z 52 47 186 2 0.00 0.00 554 564 7.4 -16.3 1012.1 71 CLR 185FEW211 257BKN329 55 52 15.0 0.0 0.595 8.8 27 10/20 15Z 52 47 130 4 0.00 0.00 554 564 9.2 -17.0 1012.4 17 CLR 151FEW165 281FEW312 53 51 15.0 0.0 0.617 9.7 30 10/20 18Z 61 45 271 2 0.00 0.00 554 565 8.7 -17.4 1013.0 56 CLR 152FEW164 268BKN321 62 51 15.0 0.0 0.650 9.8 33 10/20 21Z 65 45 282 5 0.00 0.00 555 565 9.8 -17.7 1010.9 100 CLR 230FEW240 251OVC322 65 61 15.0 0.0 0.735 13.3 36 10/21 00Z 65 46 295 8 0.00 0.00 556 564 10.4 -18.2 1010.5 100 CLR 181SCT240 248OVC319 67 61 15.0 0.0 0.807 13.9 39 10/21 03Z 59 47 302 3 0.00 0.00 556 565 11.5 -18.6 1011.0 100 101FEW119 174OVC239 241OVC322 65 59 15.0 0.0 0.832 15.0 42 10/21 06Z 59 46 224 3 0.00 0.00 556 565 11.8 -18.9 1010.7 100 102FEW120 173OVC239 240OVC323 65 58 15.0 0.0 0.808 15.1 45 10/21 09Z 58 47 136 0 0.00 0.00 555 564 11.6 -18.7 1010.6 100 107FEW120 171OVC239 239OVC318 59 58 15.0 0.0 0.819 14.4 48 10/21 12Z 58 47 246 3 0.00 0.00 554 563 10.9 -18.6 1010.9 100 107FEW120 158BKN239 241OVC319 59 57 15.0 0.0 0.859 13.3 51 10/21 15Z 57 49 150 1 0.00 0.00 553 563 10.1 -18.5 1011.7 100 100FEW120 136OVC239 239OVC316 58 56 15.0 0.0 0.904 13.2 54 10/21 18Z 63 50 307 4 0.00 0.00 553 564 9.3 -18.5 1012.4 100 088SCT119 137OVC222 239OVC321 63 56 15.0 0.0 0.887 12.3 57 10/21 21Z 63 50 289 6 0.00 0.00 553 563 8.9 -19.6 1011.9 100 090SCT116 177BKN235 239OVC327 64 63 15.0 0.0 0.936 12.4 60 10/22 00Z 61 51 287 6 0.00 0.00 553 562 9.1 -19.5 1011.0 100 076SCT116 169BKN237 238OVC331 65 60 15.0 0.0 0.882 13.7 63 10/22 03Z 58 51 278 2 0.01 0.01 552 562 8.2 -19.2 1012.2 100 -RA 070SCT117 141BKN238 239OVC319 61 57 14.0 0.0 0.973 13.6 66 10/22 06Z 58 51 296 4 0.00 0.00 552 562 8.1 -19.1 1012.0 100 -RA 059SCT119 130OVC238 238OVC317 60 57 15.0 0.0 0.945 12.8 69 10/22 09Z 58 50 318 3 0.00 0.00 551 561 8.0 -19.0 1011.2 94 062SCT119 119BKN236 239BKN297 58 57 15.0 0.0 0.944 12.9 72 10/22 12Z 56 49 212 2 0.00 0.01 551 561 7.4 -19.7 1011.6 96 056SCT119 119BKN216 251BKN301 58 56 15.0 0.0 0.954 12.0 75 10/22 15Z 57 50 294 1 0.00 0.00 550 561 6.9 -19.1 1012.5 96 -RA 041BKN119 165SCT206 245BKN303 57 55 13.0 0.0 0.967 11.2 78 10/22 18Z 57 53 274 4 0.02 0.00 549 561 5.4 -19.0 1014.4 98 -RA 028BKN119 153BKN219 241BKN309 59 54 8.8 0.0 1.067 9.1 81 10/22 21Z 58 53 250 2 0.04 0.01 550 563 5.6 -18.8 1014.5 100 -RA 000OVC119 131BKN219 251BKN290 58 57 15.0 0.0 1.002 9.6 84 10/23 00Z 60 53 259 4 0.00 0.00 552 565 6.9 -15.5 1014.7 85 -RA 009BKN100 131SCT215 252SCT292 61 57 15.0 0.0 0.959 9.4 87 10/23 03Z 55 52 274 6 0.00 0.00 553 567 6.9 -16.1 1016.8 65 022SCT040 CLR 245SCT271 60 55 15.0 0.0 1.030 8.8 90 10/23 06Z 56 51 239 6 0.00 0.00 554 569 8.0 -15.9 1017.7 68 023SCT042 194FEW218 250FEW275 60 54 15.0 0.0 0.957 8.5 93 10/23 09Z 56 50 198 4 0.00 0.00 555 570 8.6 -15.7 1018.2 100 012OVC031 CLR CLR 57 56 15.0 0.0 0.850 10.0 96 10/23 12Z 53 50 191 2 0.00 0.00 557 572 9.3 -15.2 1018.7 53 012BKN030 CLR CLR 57 53 15.0 0.0 0.757 10.3 99 10/23 15Z 53 49 107 3 0.00 0.00 559 575 9.7 -14.4 1019.3 0 CLR CLR CLR 53 52 15.0 0.0 0.647 10.9 102 10/23 18Z 62 50 319 2 0.00 0.00 560 577 10.4 -12.7 1020.3 0 CLR CLR CLR 62 52 15.0 0.0 0.580 11.1 105 10/23 21Z 65 52 296 7 0.00 0.00 562 579 11.0 -12.1 1019.1 0 CLR CLR CLR 66 62 15.0 0.0 0.559 13.0 108 10/24 00Z 63 52 287 7 0.00 0.00 564 580 11.4 -11.5 1018.6 0 CLR CLR CLR 67 62 15.0 0.0 0.550 14.5 111 10/24 03Z 56 52 301 4 0.00 0.00 565 581 13.1 -12.0 1019.0 0 CLR CLR CLR 63 56 15.0 0.0 0.539 14.9 114 10/24 06Z 55 51 255 1 0.00 0.00 565 581 13.5 -12.3 1019.3 0 CLR CLR CLR 63 55 15.0 0.0 0.501 14.8 117 10/24 09Z 54 50 192 1 0.00 0.00 565 581 13.1 -12.5 1019.0 0 CLR CLR CLR 55 54 15.0 0.0 0.495 15.1 120 10/24 12Z 54 50 91 2 0.00 0.00 565 581 13.4 -11.9 1018.8 0 CLR CLR CLR 55 54 15.0 0.0 0.523 14.9 123 10/24 15Z 55 49 82 2 0.00 0.00 565 582 13.5 -11.2 1019.6 4 CLR CLR 396FEW413 55 54 15.0 0.0 0.521 14.6 126 10/24 18Z 67 49 22 1 0.00 0.00 566 583 14.2 -11.0 1019.8 4 CLR CLR 396FEW413 67 54 15.0 0.0 0.463 14.7 129 10/24 21Z 72 45 315 4 0.00 0.00 567 583 15.1 -11.0 1018.5 6 CLR CLR 396FEW416 73 67 15.0 0.0 0.405 16.9 132 10/25 00Z 73 43 332 4 0.00 0.00 568 583 14.9 -10.8 1017.6 6 CLR CLR 390FEW412 75 67 15.0 0.0 0.395 18.3 135 10/25 03Z 63 43 318 2 0.00 0.00 568 584 14.6 -10.6 1018.8 8 CLR CLR 364FEW403 74 63 15.0 0.0 0.417 18.0 138 10/25 06Z 61 42 31 2 0.00 0.00 568 585 14.8 -10.6 1019.7 8 CLR CLR 367FEW394 74 61 15.0 0.0 0.437 17.8 141 10/25 09Z 60 42 69 3 0.00 0.00 568 584 14.8 -10.8 1019.5 68 CLR CLR 330BKN419 61 60 15.0 0.0 0.474 17.6 144 10/25 12Z 58 43 48 3 0.00 0.00 568 584 15.1 -11.0 1019.3 84 CLR CLR 323BKN417 61 58 15.0 0.0 0.484 17.5 147 10/25 15Z 57 42 58 3 0.00 0.00 568 584 15.7 -10.9 1019.4 48 CLR CLR 349SCT400 58 56 15.0 0.0 0.446 17.9 150 10/25 18Z 69 45 347 2 0.00 0.00 568 585 15.9 -11.2 1019.7 66 CLR CLR 340BKN410 69 56 15.0 0.0 0.433 18.4 153 10/25 21Z 74 45 279 5 0.00 0.00 569 584 16.5 -11.4 1017.7 80 CLR CLR 317BKN420 74 69 15.0 0.0 0.418 19.0 156 10/26 00Z 72 44 294 5 0.00 0.00 569 584 16.1 -11.4 1017.0 90 CLR CLR 311BKN426 75 68 15.0 0.0 0.392 19.9 159 10/26 03Z 66 43 9 1 0.00 0.00 569 584 16.7 -11.8 1017.7 100 CLR CLR 279OVC420 72 65 15.0 0.0 0.375 20.2 162 10/26 06Z 63 43 320 1 0.00 0.00 569 584 15.9 -11.7 1018.3 100 CLR CLR 274OVC417 72 63 15.0 0.0 0.403 19.7 165 10/26 09Z 62 42 144 2 0.00 0.00 569 584 16.3 -12.1 1017.9 100 CLR 227FEW238 271OVC365 63 61 15.0 0.0 0.379 19.8 168 10/26 12Z 60 41 79 1 0.00 0.00 568 583 16.0 -12.4 1017.2 84 CLR 226FEW245 261BKN333 63 60 15.0 0.0 0.377 19.4