Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z DEC 9, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 994.4 991.7 993.3 995.8 993.8 992.7 994.6 995.9 995.7 995.5 996.3 998.5 998.2 997.7 995.8 Mean SLP (mb): 1018.9 1016.1 1017.8 1020.7 1018.4 1017.1 1019.1 1020.5 1020.3 1020.1 1021.0 1023.2 1022.9 1022.4 1020.4 2m agl Tmp (F): 53.9 53.5 52.5 47.2 48.7 52.7 52.1 51.1 51.3 49.7 49.1 49.3 49.9 48.7 50.2 2m agl Dewpt(F): 53.4 52.9 52.0 46.2 48.0 51.7 51.2 50.3 50.4 49.0 48.1 48.9 49.5 48.2 49.4 2m agl RH (%): 98 98 98 96 98 96 97 97 97 97 96 98 98 98 97 10m agl Dir: 200 216 282 62 138 217 220 216 214 207 211 214 351 88 156 10m agl Spd(kt): 12 14 6 4 4 14 10 11 10 10 9 4 1 2 1 6hr Precip (in): 0.00 0.89 1.14 0.54 0.35 0.66 0.57 0.19 0.07 0.08 0.13 0.18 0.11 0.10 0.02 AccumPrecip(in): 0.00 0.89 2.04 2.58 2.93 3.59 4.16 4.35 4.42 4.50 4.63 4.81 4.92 5.02 5.04 Sfc CAPE (J/kg): 18.5 0.0 21.4 2.9 0.0 0.0 0.9 3.2 7.2 0.2 0.0 0.0 0.7 0.0 2.4 Sfc CINH (J/kg): 0.0 0.0 -0.8 0.0 0.0 0.0 -0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 470.9 565.7 373.1 375.0 418.7 530.1 372.8 356.8 254.7 306.6 324.7 184.9 259.2 196.1 176.5 Precip H20 (in): 1.13 1.26 1.14 1.06 1.17 1.26 1.16 0.95 0.91 0.88 0.94 0.94 0.92 0.83 0.77 Lifted Index(C): 6.4 4.1 9.0 9.8 4.2 2.3 2.8 5.3 5.3 6.2 6.4 8.3 6.8 7.1 7.5 700mb VV(-ub/s): 20.1 30.2 18.2 7.3 8.0 14.3 8.1 0.5 1.7 -1.3 -0.2 -1.2 -0.4 0.0 -0.8 Thk1000-500mb(m)5526.1 5562.8 5534.9 5521.9 5542.7 5568.0 5557.3 5556.5 5551.8 5547.2 5529.3 5516.8 5528.5 5530.9 5535.1 Thk1000-850mb(m)1346.2 1350.3 1341.7 1329.8 1344.0 1351.4 1347.9 1345.9 1342.1 1341.8 1341.5 1338.9 1339.9 1342.0 1343.5 Thk850-700mb(m):1567.2 1581.3 1562.5 1562.9 1578.0 1586.1 1585.1 1575.5 1578.0 1574.3 1566.7 1562.0 1566.5 1561.2 1564.3 SWEAT Index: 316.1 371.9 163.3 270.9 233.8 275.0 260.8 233.9 198.5 209.7 213.8 176.0 174.1 147.8 123.0 Total Totals Idx 39.8 42.7 36.1 35.0 42.8 45.9 45.9 41.0 42.6 39.8 39.6 36.8 39.4 39.0 39.3 Frz Hgt(ft amsl) 8925 9995 8426 8032 9810 10645 10602 10903 10662 10193 8524 8080 8606 8034 10709 0WetBlbHgt(amsl) 8845 9934 8272 7977 9619 10539 10511 8047 8007 8679 8452 7996 8520 7836 7019 Equil Prs (mb): 835 992 835 996 994 993 995 996 996 995 996 998 998 998 996 Equil Hgt(amsl): 5420 26 5357 26 26 26 26 26 26 26 26 26 26 26 26 Hail Size(in): 0.00 0.00 0.00 0.00 -0.05 -0.09 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 24.3 23.7 22.2 11.0 37.6 41.6 14.2 14.5 19.7 13.0 13.2 21.4 15.8 28.2 29.2 Showalter Index: 6.9 4.1 9.1 9.7 4.2 1.9 1.9 5.0 4.4 5.8 6.2 8.4 6.8 6.9 7.4 Cap Strength(C): 0.0 -999.9 0.0 5.8 -999.9 -999.9 -999.9 2.9 3.7 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 286 288 298 296 299 298 297 293 291 292 298 306 311 304 304 Storm Spd (kts): 36 42 32 26 32 39 34 33 30 30 31 26 23 18 18 2m HeatIndex(F): 54 54 52 47 49 53 52 51 51 50 49 49 50 49 50 2m WindChill(F): 54 54 52 47 49 53 52 51 51 50 49 49 50 49 50 1000mb GPH (m): 157 134 148 169 151 142 158 169 168 166 173 191 188 184 168 950mb GPH (m): 586 563 575 591 577 571 586 595 594 591 597 616 614 609 595 950mb Temp (C): 10.0 10.3 9.3 6.0 8.7 9.9 9.1 8.2 8.3 7.7 7.5 8.6 8.5 8.4 9.8 950mb Dewpt(C): 9.7 10.1 9.2 5.5 8.5 9.7 9.0 8.0 8.0 7.5 7.2 8.4 8.2 8.1 9.5 950mb RH (%): 98 98 99 97 98 99 99 99 98 98 98 99 98 98 98 950mb Dir: 213 218 285 53 206 220 226 221 218 213 219 234 258 202 239 950mb Speed(kt): 33 34 16 8 17 33 27 27 25 27 25 18 6 6 8 900mb GPH (m): 1034 1012 1022 1033 1023 1019 1032 1042 1039 1036 1043 1062 1059 1056 1043 900mb Temp (C): 7.6 8.7 6.5 4.5 8.2 9.0 7.8 8.8 6.7 7.6 7.6 6.5 6.7 7.9 8.0 900mb Dewpt(C): 7.3 8.4 6.2 4.3 7.8 8.8 7.6 8.4 6.5 7.3 7.4 6.2 6.4 7.6 6.6 900mb RH (%): 98 98 98 99 98 99 98 97 98 98 99 98 98 98 90 900mb Dir: 227 228 293 262 233 237 241 239 235 238 252 270 246 243 278 900mb Speed(kt): 43 53 16 3 31 50 40 43 35 36 36 14 11 16 14 850mb GPH (m): 1503 1484 1489 1499 1495 1494 1506 1515 1510 1508 1514 1530 1528 1526 1512 850mb Temp (C): 5.0 7.5 4.3 4.2 7.3 8.8 8.8 7.5 7.0 7.1 6.5 4.9 5.8 5.7 4.8 850mb Dewpt(C): 4.7 7.2 4.0 4.0 7.1 8.5 8.5 7.2 6.7 6.9 6.3 4.6 5.4 5.4 4.0 850mb RH (%): 98 98 98 98 99 98 98 98 98 99 99 98 98 98 94 850mb Dir: 237 246 268 228 254 260 254 250 255 257 273 278 258 276 252 850mb Speed(kt): 45 60 18 18 38 52 44 42 29 34 38 29 27 20 10 800mb GPH (m): 1996 1983 1981 1991 1993 1994 2006 2011 2006 2005 2010 2023 2023 2020 2003 800mb Temp (C): 2.9 5.5 1.6 3.6 5.1 6.5 6.0 4.3 4.3 4.5 3.7 2.8 3.6 2.5 1.2 800mb Dewpt(C): 2.6 5.3 1.4 3.4 4.8 6.2 5.8 2.8 2.2 4.2 3.4 2.5 3.2 2.2 0.4 800mb RH (%): 98 99 98 98 98 98 98 90 86 98 98 97 98 98 94 800mb Dir: 246 256 260 248 262 268 260 257 264 267 274 275 276 276 235 800mb Speed(kt): 51 55 21 33 40 54 44 44 36 34 36 33 32 19 12 750mb GPH (m): 2518 2509 2500 2511 2518 2521 2533 2535 2531 2528 2531 2543 2544 2538 2521 750mb Temp (C): 1.1 3.6 0.2 -0.5 2.5 3.8 3.9 2.7 3.5 1.6 0.4 -0.5 0.5 -0.5 1.0 750mb Dewpt(C): 0.8 3.4 -0.1 -0.8 0.8 3.4 3.4 -4.4 -5.7 0.2 0.2 -0.8 0.2 -1.4 -6.4 750mb RH (%): 98 98 98 98 89 97 97 59 50 91 98 98 98 94 58 750mb Dir: 254 259 252 254 283 269 266 264 266 272 268 277 289 270 256 750mb Speed(kt): 55 59 36 30 43 57 46 46 39 36 35 34 33 16 20 700mb GPH (m): 3070 3066 3052 3062 3073 3080 3091 3091 3088 3082 3081 3092 3095 3087 3076 700mb Temp (C): -1.8 -0.1 -1.4 -1.8 -0.4 1.0 0.9 1.2 0.8 0.1 -3.2 -2.6 -2.8 -2.6 1.2 700mb Dewpt(C): -2.1 -0.4 -1.7 -2.1 -0.7 0.6 0.5 -14.5 -9.7 -7.7 -3.8 -4.7 -3.5 -5.9 -23.0 700mb RH (%): 98 98 98 98 98 97 98 30 45 56 95 85 95 78 15 700mb Dir: 261 262 259 255 277 272 274 268 268 270 272 284 290 277 274 700mb Speed(kt): 57 65 54 42 48 58 46 48 42 43 39 37 31 22 29 650mb GPH (m): 3657 3657 3641 3650 3662 3673 3683 3683 3679 3674 3667 3678 3679 3675 3667 650mb Temp (C): -4.7 -2.7 -3.0 -3.1 -4.3 -2.5 -2.8 -1.9 -2.2 -1.9 -3.2 -4.9 -4.5 -2.3 -2.5 650mb Dewpt(C): -5.1 -2.9 -3.2 -3.3 -4.6 -2.9 -3.2 -21.4 -16.4 -22.7 -17.0 -8.7 -8.5 -21.7 -25.8 650mb RH (%): 98 98 98 98 98 97 97 21 33 19 34 75 74 21 15 650mb Dir: 269 267 265 268 278 277 279 270 269 271 274 281 286 282 275 650mb Speed(kt): 56 66 68 52 52 59 48 53 49 50 48 44 36 38 33 600mb GPH (m): 4284 4288 4273 4282 4290 4303 4313 4314 4311 4305 4298 4304 4310 4307 4297 600mb Temp (C): -7.4 -6.0 -5.2 -5.9 -6.5 -6.1 -6.3 -5.6 -5.1 -5.9 -6.0 -6.5 -4.9 -5.3 -5.4 600mb Dewpt(C): -8.1 -6.2 -5.4 -6.5 -6.8 -6.7 -7.4 -10.0 -18.8 -22.2 -16.1 -16.7 -22.9 -27.7 -28.3 600mb RH (%): 95 98 98 95 98 95 92 71 33 27 45 44 23 16 15 600mb Dir: 275 269 264 275 274 280 285 277 274 273 276 283 283 278 282 600mb Speed(kt): 53 64 79 60 62 61 55 59 56 56 60 54 49 38 40 550mb GPH (m): 4958 4967 4953 4959 4966 4981 4988 4994 4990 4982 4973 4979 4987 4985 4975 550mb Temp (C): -11.1 -9.2 -9.1 -9.1 -10.3 -9.3 -10.4 -8.6 -8.9 -8.8 -10.0 -10.1 -9.2 -8.5 -8.9 550mb Dewpt(C): -12.2 -10.0 -9.3 -10.1 -10.9 -10.1 -15.6 -10.1 -18.1 -27.6 -21.9 -21.2 -36.8 -33.4 -29.5 550mb RH (%): 92 94 98 92 95 94 66 89 47 21 38 40 9 12 18 550mb Dir: 278 275 269 274 277 287 283 278 272 270 275 278 284 275 284 550mb Speed(kt): 56 71 80 65 68 67 62 59 57 59 63 58 52 40 47 500mb GPH (m): 5683 5697 5683 5691 5694 5710 5716 5726 5719 5713 5702 5708 5717 5715 5703 500mb Temp (C): -15.1 -14.0 -13.9 -13.4 -14.2 -14.4 -14.3 -13.1 -14.4 -12.9 -13.3 -13.6 -14.1 -14.0 -15.2 500mb Dewpt(C): -16.5 -15.4 -14.6 -14.8 -15.4 -16.6 -27.3 -20.5 -16.5 -33.6 -35.2 -31.5 -38.1 -34.8 -20.0 500mb RH (%): 89 89 94 90 91 83 33 54 84 17 15 21 12 16 67 500mb Dir: 278 276 277 275 280 286 279 278 267 267 276 279 283 277 284 500mb Speed(kt): 63 77 79 70 72 69 71 63 60 60 62 63 55 43 54 450mb GPH (m): 6473 6490 6476 6485 6486 6501 6507 6521 6512 6507 6494 6499 6506 6506 6491 450mb Temp (C): -19.3 -18.7 -18.7 -18.2 -19.5 -19.5 -18.9 -18.4 -18.3 -19.2 -19.5 -19.7 -20.4 -19.3 -20.0 450mb Dewpt(C): -21.1 -20.5 -19.7 -19.9 -20.6 -24.5 -44.0 -25.9 -20.6 -26.8 -23.7 -25.5 -30.7 -37.6 -22.4 450mb RH (%): 86 86 92 87 91 65 10 53 82 51 70 61 40 19 82 450mb Dir: 283 276 277 274 283 285 274 288 264 269 277 281 284 278 282 450mb Speed(kt): 77 81 86 71 78 75 74 65 68 64 66 64 59 48 57 400mb GPH (m): 7340 7357 7342 7353 7352 7365 7372 7386 7379 7371 7358 7361 7366 7368 7353 400mb Temp (C): -24.6 -24.8 -25.5 -25.4 -24.6 -25.2 -25.1 -25.6 -25.2 -25.1 -25.5 -25.8 -26.5 -26.8 -26.9 400mb Dewpt(C): -26.9 -27.0 -27.2 -27.6 -26.5 -28.2 -30.6 -30.0 -28.2 -28.3 -28.2 -29.8 -30.3 -34.6 -29.7 400mb RH (%): 82 82 86 83 84 76 61 67 77 75 79 70 71 49 78 400mb Dir: 285 276 275 274 279 284 282 285 266 267 275 278 282 281 283 400mb Speed(kt): 85 85 87 76 83 80 78 65 70 61 71 68 60 52 54 350mb GPH (m): 8297 8313 8296 8306 8309 8322 8330 8341 8334 8325 8310 8312 8316 8315 8299 350mb Temp (C): -31.8 -31.9 -32.1 -32.6 -31.9 -31.8 -31.5 -32.0 -32.2 -32.8 -33.2 -33.4 -33.9 -34.2 -35.2 350mb Dewpt(C): -34.8 -35.0 -34.4 -35.8 -38.5 -37.5 -34.9 -35.2 -35.6 -37.1 -36.8 -37.7 -37.4 -38.0 -38.5 350mb RH (%): 76 75 81 74 53 58 72 73 73 66 71 66 72 70 73 350mb Dir: 282 278 277 277 286 282 282 277 268 263 274 277 277 280 283 350mb Speed(kt): 89 88 90 84 92 82 74 63 74 66 75 68 58 47 50 300mb GPH (m): 9367 9385 9366 9374 9376 9391 9400 9410 9399 9393 9377 9376 9377 9375 9355 300mb Temp (C): -40.6 -40.1 -40.4 -40.8 -41.7 -41.6 -40.8 -41.0 -42.1 -40.4 -41.2 -41.9 -42.2 -42.5 -43.1 300mb Dewpt(C): -43.9 -43.5 -46.2 -44.3 -50.8 -45.1 -44.5 -44.6 -45.8 -47.1 -44.8 -47.0 -46.9 -46.8 -48.1 300mb RH (%): 71 71 55 70 38 70 68 69 68 50 69 59 61 64 60 300mb Dir: 282 281 277 278 292 285 280 275 269 267 274 277 276 273 281 300mb Speed(kt): 85 93 94 92 97 81 75 74 76 73 73 67 62 50 58 250mb GPH (m): 10581 10600 10582 10586 10582 10595 10610 10619 10608 10610 10587 10583 10584 10583 10560 250mb Temp (C): -50.7 -51.1 -50.6 -51.3 -52.4 -53.0 -52.3 -52.1 -51.1 -50.4 -51.1 -52.1 -52.1 -51.6 -52.4 250mb Dewpt(C): -54.1 -54.7 -54.0 -55.0 -58.2 -56.7 -55.9 -56.1 -56.0 -56.2 -55.2 -57.0 -55.9 -56.5 -57.9 250mb RH (%): 68 67 68 65 51 65 66 64 58 52 63 57 65 58 53 250mb Dir: 283 280 276 273 296 292 276 276 269 270 272 276 278 278 283 250mb Speed(kt): 94 97 100 94 100 87 78 79 83 76 78 80 70 60 66 200mb GPH (m): 11991 12008 11993 11997 11984 11993 12009 12022 12020 12024 11999 11995 11990 11991 11966 200mb Temp (C): -63.1 -63.3 -63.3 -62.5 -63.1 -64.1 -64.4 -62.6 -61.5 -61.3 -61.0 -59.2 -60.6 -61.1 -60.5 200mb Dewpt(C): -66.6 -67.1 -66.8 -66.0 -66.3 -67.6 -68.5 -67.4 -67.5 -64.6 -65.4 -67.5 -66.7 -66.0 -67.8 200mb RH (%): 65 62 64 65 67 64 60 55 48 67 58 36 47 55 40 200mb Dir: 289 284 276 271 276 284 278 281 274 274 270 272 277 282 282 200mb Speed(kt): 101 94 99 97 103 100 88 80 86 80 82 78 75 70 70 150mb GPH (m): 13717 13744 13731 13754 13748 13767 13781 13803 13804 13809 13795 13793 13785 13774 13759 150mb Temp (C): -69.1 -66.9 -66.7 -63.7 -63.0 -60.1 -61.1 -61.5 -61.4 -61.3 -60.2 -60.2 -59.9 -61.6 -60.4 150mb Dewpt(C): -76.1 -75.1 -76.6 -80.4 -81.6 -83.6 -82.1 -82.3 -82.3 -82.4 -84.1 -84.1 -84.0 -83.7 -84.3 150mb RH (%): 39 34 27 11 8 4 6 6 6 6 4 4 4 5 4 150mb Dir: 286 281 284 290 288 286 283 287 280 277 282 282 287 284 283 150mb Speed(kt): 87 87 92 78 76 69 62 62 62 64 67 66 74 70 66 100mb GPH (m): 16223 16255 16232 16249 16241 16281 16280 16298 16297 16298 16298 16296 16286 16279 16271 100mb Temp (C): -63.9 -62.0 -60.6 -62.9 -62.5 -62.5 -64.1 -63.7 -65.9 -65.7 -64.5 -63.9 -63.8 -63.0 -63.3 100mb Dewpt(C): -84.8 -87.5 -88.8 -90.5 -90.1 -85.9 -89.0 -89.0 -88.7 -88.5 -89.3 -87.3 -87.3 -90.8 -88.6 100mb RH (%): 6 3 2 2 2 4 3 3 4 4 3 4 4 2 3 100mb Dir: 279 285 287 284 293 300 293 298 291 291 289 293 293 296 297 100mb Speed(kt): 29 31 28 36 55 38 43 41 42 50 49 50 55 57 53