Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z DEC 2, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 997.4 997.6 998.8 1001.0 1002.3 1002.9 1002.2 1003.0 1003.2 1003.5 1001.1 1000.2 999.2 996.2 992.1 Mean SLP (mb): 1022.5 1022.7 1023.8 1026.2 1027.6 1028.3 1027.4 1028.4 1028.6 1028.8 1026.4 1025.2 1024.2 1021.0 1016.7 2m agl Tmp (F): 42.0 41.5 42.8 42.9 41.2 41.7 44.3 41.0 39.2 40.1 40.9 43.3 44.6 46.8 49.1 2m agl Dewpt(F): 37.9 40.5 41.7 42.3 40.5 39.3 40.0 39.5 38.1 37.9 39.6 42.6 44.2 46.3 48.2 2m agl RH (%): 85 96 96 98 97 91 85 94 96 92 95 98 98 98 97 10m agl Dir: 158 171 174 227 104 43 299 219 177 164 178 196 183 205 228 10m agl Spd(kt): 2 3 1 2 2 2 2 2 1 2 6 5 3 8 10 6hr Precip (in): 0.00 0.03 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.18 0.07 0.26 0.40 AccumPrecip(in): 0.00 0.03 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.06 0.12 0.30 0.37 0.63 1.03 Sfc CAPE (J/kg): 0.0 6.8 5.8 18.0 13.9 1.1 1.3 6.5 7.6 1.0 0.0 0.0 0.6 0.3 0.2 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 252.0 162.1 67.9 55.2 105.3 94.8 120.5 95.6 113.1 262.9 458.8 334.7 215.4 285.5 208.1 Precip H20 (in): 0.52 0.52 0.47 0.41 0.40 0.53 0.70 0.71 0.86 0.91 1.00 0.89 0.95 1.01 0.86 Lifted Index(C): 5.4 6.0 8.6 13.2 14.9 14.9 14.1 13.0 9.0 8.0 3.1 4.8 5.6 4.5 4.6 700mb VV(-ub/s): 1.4 3.5 -3.1 -2.4 -4.3 2.0 -2.7 0.6 0.5 -4.0 2.0 0.3 0.5 3.2 10.6 Thk1000-500mb(m)5426.0 5398.2 5400.0 5430.5 5452.4 5454.6 5468.9 5488.2 5499.9 5504.0 5506.6 5514.1 5506.4 5504.7 5475.3 Thk1000-850mb(m)1320.4 1318.0 1316.6 1315.2 1313.9 1315.6 1318.0 1315.2 1316.7 1319.2 1323.8 1332.2 1333.3 1338.0 1335.7 Thk850-700mb(m):1538.3 1530.2 1533.4 1543.9 1550.4 1549.4 1551.6 1560.7 1565.7 1565.2 1575.3 1565.6 1563.3 1561.5 1556.7 SWEAT Index: 109.1 81.8 76.2 68.0 46.7 55.3 72.9 79.5 119.0 139.0 192.4 184.3 149.8 181.6 214.3 Total Totals Idx 46.5 46.0 41.2 31.5 28.0 28.4 27.5 29.6 36.5 38.4 46.9 42.8 42.7 45.1 45.4 Frz Hgt(ft amsl) 5457 4695 4747 5994 7378 7378 6923 8767 8876 8973 9740 8450 8605 7903 7410 0WetBlbHgt(amsl) 5293 4655 4222 4056 3952 4041 3939 6988 7994 8707 9612 8168 8054 7816 7319 Equil Prs (mb): 997 998 999 1001 1002 1003 1002 1003 1003 1003 1001 1000 999 996 992 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 Hail Size(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 31.6 23.7 22.4 34.4 44.2 43.5 44.9 46.0 45.6 45.4 12.7 38.0 26.9 24.6 23.9 Showalter Index: 5.5 6.4 9.1 13.7 15.2 15.0 15.2 14.0 9.4 8.0 3.1 5.0 5.7 4.2 4.5 Cap Strength(C):-999.9 -999.9 -999.9 1.9 3.1 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 336 4 25 36 22 5 9 13 354 340 323 331 327 306 307 Storm Spd (kts): 23 20 18 15 12 13 16 15 18 22 29 27 22 28 37 2m HeatIndex(F): 42 42 43 43 41 42 44 41 39 40 41 43 45 47 49 2m WindChill(F): 42 42 43 43 41 42 44 41 39 40 41 43 45 47 49 1000mb GPH (m): 182 183 193 212 223 227 222 228 229 232 212 205 197 172 138 950mb GPH (m): 601 601 612 629 638 643 640 644 643 647 630 624 618 595 563 950mb Temp (C): 4.8 5.1 4.4 2.1 1.2 2.9 3.7 2.7 2.3 3.4 3.7 5.6 7.1 8.6 7.7 950mb Dewpt(C): 1.5 4.8 4.2 1.9 0.9 0.9 1.0 1.3 1.4 1.9 3.4 5.4 6.8 8.4 7.4 950mb RH (%): 79 98 99 98 97 86 83 90 93 90 98 98 98 98 98 950mb Dir: 221 256 333 120 108 77 333 232 250 211 212 225 228 228 235 950mb Speed(kt): 8 6 8 2 4 3 3 1 1 8 21 22 17 27 26 900mb GPH (m): 1040 1041 1051 1065 1075 1082 1078 1081 1081 1085 1069 1068 1063 1041 1007 900mb Temp (C): 3.4 2.7 1.8 2.6 2.8 2.9 2.8 2.7 3.7 2.9 4.5 6.6 6.3 6.4 5.5 900mb Dewpt(C): 3.0 2.5 0.8 -1.4 -2.1 -1.7 -2.5 -2.4 -1.4 1.4 4.2 6.3 6.0 6.1 5.3 900mb RH (%): 97 99 93 75 70 71 68 69 69 89 98 98 98 98 98 900mb Dir: 271 328 349 5 53 335 329 326 317 253 250 284 274 253 253 900mb Speed(kt): 16 14 8 5 1 6 8 9 13 13 28 23 17 27 36 850mb GPH (m): 1503 1501 1510 1527 1537 1543 1540 1544 1546 1551 1536 1537 1530 1510 1474 850mb Temp (C): 1.0 -0.5 -0.3 1.4 1.9 1.7 2.5 2.9 4.3 4.1 5.6 5.9 4.5 5.1 4.2 850mb Dewpt(C): 0.7 -0.7 -2.4 -5.6 -6.9 -7.0 -6.8 -2.3 2.1 3.9 5.3 5.6 4.2 4.8 3.9 850mb RH (%): 98 99 85 60 52 52 50 68 86 99 98 98 98 98 98 850mb Dir: 298 332 357 27 333 309 330 335 333 281 283 296 284 257 272 850mb Speed(kt): 21 15 9 4 3 6 15 15 20 19 34 28 23 29 38 800mb GPH (m): 1987 1983 1993 2013 2024 2030 2028 2034 2039 2043 2032 2031 2022 2003 1965 800mb Temp (C): -2.0 -3.6 -2.2 -0.9 0.6 0.7 0.3 1.9 3.7 2.6 4.7 3.0 2.2 2.7 1.7 800mb Dewpt(C): -3.6 -4.1 -7.0 -9.3 -13.6 -14.6 -0.3 -1.3 0.5 2.2 4.4 2.7 1.6 2.5 1.4 800mb RH (%): 88 96 70 53 34 31 95 79 79 98 98 98 96 98 97 800mb Dir: 296 336 15 69 335 304 330 344 335 297 291 293 291 252 284 800mb Speed(kt): 22 16 11 2 5 11 19 15 21 24 39 32 22 30 39 750mb GPH (m): 2498 2491 2504 2526 2540 2546 2543 2553 2561 2564 2557 2551 2542 2522 2482 750mb Temp (C): -4.2 -5.1 -4.7 -2.0 -0.8 -0.9 -1.7 0.4 0.8 0.7 2.6 0.1 0.3 -0.8 -1.3 750mb Dewpt(C): -12.9 -11.2 -11.6 -18.2 -20.4 -23.4 -3.3 -3.5 -2.1 0.2 2.4 -0.8 -1.1 -1.1 -1.6 750mb RH (%): 51 62 58 28 21 17 89 75 81 96 99 94 90 97 98 750mb Dir: 300 343 24 30 346 322 332 348 325 307 290 296 302 260 284 750mb Speed(kt): 26 21 15 11 12 16 17 17 23 28 41 32 27 30 49 700mb GPH (m): 3041 3032 3043 3071 3087 3092 3091 3104 3112 3116 3112 3102 3093 3071 3030 700mb Temp (C): -4.4 -6.4 -7.1 -4.9 -3.6 -4.1 -3.0 -1.6 -2.1 -1.6 -0.9 -1.4 -1.8 -2.4 -3.7 700mb Dewpt(C): -26.5 -21.4 -18.8 -23.8 -26.7 -22.6 -5.2 -6.9 -5.0 -3.0 -1.6 -4.0 -2.8 -2.8 -4.1 700mb RH (%): 16 30 39 22 15 23 85 67 81 90 95 82 93 97 96 700mb Dir: 308 335 11 18 347 330 342 349 312 317 299 304 306 287 274 700mb Speed(kt): 37 29 21 19 18 17 28 19 26 35 44 38 31 32 53 650mb GPH (m): 3621 3608 3618 3649 3668 3673 3675 3691 3699 3703 3700 3692 3679 3659 3611 650mb Temp (C): -7.1 -8.8 -9.3 -8.1 -7.1 -7.4 -5.9 -4.3 -3.9 -3.8 -4.4 -3.2 -4.4 -4.1 -8.0 650mb Dewpt(C): -26.7 -25.4 -29.1 -31.0 -32.7 -18.4 -8.5 -11.7 -8.1 -5.6 -6.3 -9.9 -8.3 -5.0 -9.4 650mb RH (%): 20 25 19 15 11 42 82 56 73 87 86 60 74 94 89 650mb Dir: 310 333 358 11 352 330 343 349 320 318 305 309 306 296 269 650mb Speed(kt): 44 38 37 29 23 16 31 24 32 43 49 46 40 46 53 600mb GPH (m): 4240 4222 4232 4265 4287 4293 4298 4318 4327 4333 4327 4319 4308 4285 4229 600mb Temp (C): -11.4 -12.9 -12.9 -11.6 -10.0 -9.4 -9.0 -7.3 -6.6 -5.9 -7.2 -7.4 -6.6 -8.2 -10.2 600mb Dewpt(C): -27.3 -30.6 -39.5 -42.6 -37.0 -10.3 -11.9 -22.8 -7.9 -9.6 -10.4 -20.0 -14.9 -10.3 -27.1 600mb RH (%): 26 22 9 6 10 93 79 28 91 75 78 36 52 85 24 600mb Dir: 314 335 352 5 354 331 340 342 324 328 303 308 307 289 286 600mb Speed(kt): 48 42 45 37 31 29 34 34 39 54 56 52 41 59 61 550mb GPH (m): 4901 4879 4888 4927 4953 4961 4968 4989 5002 5009 4999 4992 4981 4956 4897 550mb Temp (C): -16.3 -18.3 -18.0 -15.1 -12.5 -12.9 -12.1 -11.0 -10.3 -10.7 -12.1 -10.2 -11.5 -12.1 -13.4 550mb Dewpt(C): -30.1 -33.0 -43.5 -47.0 -40.3 -14.6 -23.5 -16.2 -11.7 -14.0 -12.2 -31.2 -15.8 -16.6 -27.0 550mb RH (%): 30 27 9 5 8 87 38 66 90 76 99 17 71 69 31 550mb Dir: 316 336 351 360 351 342 340 343 321 318 308 313 307 292 287 550mb Speed(kt): 55 45 49 47 39 37 37 42 46 50 58 56 45 60 85 500mb GPH (m): 5608 5582 5593 5642 5675 5682 5691 5717 5729 5736 5719 5719 5703 5676 5613 500mb Temp (C): -22.4 -23.6 -21.9 -17.8 -16.5 -16.9 -15.9 -14.5 -15.1 -15.2 -18.0 -15.7 -17.0 -17.6 -18.6 500mb Dewpt(C): -30.9 -41.2 -49.2 -48.9 -32.6 -21.2 -28.4 -21.4 -16.5 -20.4 -19.4 -22.8 -19.4 -21.4 -27.7 500mb RH (%): 47 19 7 5 24 69 34 56 89 65 89 55 82 72 45 500mb Dir: 314 336 348 358 350 343 344 342 327 311 313 319 304 295 287 500mb Speed(kt): 59 52 59 59 41 43 43 50 54 54 60 60 53 66 92 450mb GPH (m): 6372 6344 6363 6425 6458 6463 6478 6506 6518 6521 6503 6504 6487 6457 6392 450mb Temp (C): -28.6 -28.4 -24.5 -20.7 -22.4 -22.7 -19.4 -19.6 -20.1 -20.8 -20.8 -21.0 -21.5 -22.5 -22.9 450mb Dewpt(C): -35.4 -49.0 -56.9 -48.1 -27.5 -27.1 -24.4 -25.2 -23.9 -27.5 -28.7 -24.2 -24.1 -25.1 -27.7 450mb RH (%): 53 13 4 7 63 68 65 62 72 56 50 75 80 80 65 450mb Dir: 314 335 351 1 349 337 349 344 329 313 314 313 308 294 288 450mb Speed(kt): 64 65 80 75 41 46 77 56 58 57 73 69 63 69 93 400mb GPH (m): 7203 7178 7217 7285 7312 7314 7345 7372 7380 7380 7363 7364 7345 7315 7247 400mb Temp (C): -35.2 -33.2 -26.3 -27.1 -27.9 -29.2 -24.7 -24.7 -26.3 -27.0 -26.8 -26.5 -26.7 -26.3 -27.4 400mb Dewpt(C): -43.2 -55.5 -55.3 -41.7 -31.4 -35.2 -36.6 -33.1 -32.5 -37.8 -36.1 -32.2 -32.0 -29.1 -29.6 400mb RH (%): 46 10 5 25 72 57 33 47 56 36 42 60 62 78 82 400mb Dir: 317 336 352 356 340 336 349 338 327 311 318 315 308 298 290 400mb Speed(kt): 75 86 109 82 53 57 91 58 64 68 73 78 70 86 102 350mb GPH (m): 8120 8108 8171 8230 8256 8259 8298 8327 8330 8330 8312 8316 8296 8267 8196 350mb Temp (C): -40.1 -36.1 -32.6 -35.0 -35.2 -33.3 -33.7 -32.8 -34.3 -33.5 -33.0 -32.7 -33.5 -32.6 -32.9 350mb Dewpt(C): -69.2 -60.7 -49.8 -46.5 -38.9 -36.3 -43.6 -38.0 -41.4 -49.7 -40.1 -39.1 -39.6 -35.8 -35.9 350mb RH (%): 4 7 18 31 69 76 37 61 50 19 50 54 55 73 75 350mb Dir: 326 340 347 357 349 340 348 335 328 315 323 321 316 297 292 350mb Speed(kt): 89 119 113 94 67 90 87 74 75 74 90 88 91 101 124 300mb GPH (m): 9162 9168 9236 9289 9310 9323 9357 9391 9392 9392 9377 9381 9360 9336 9264 300mb Temp (C): -45.1 -41.3 -42.4 -43.1 -44.1 -42.3 -43.2 -42.5 -41.5 -42.0 -41.4 -41.3 -40.8 -40.5 -40.4 300mb Dewpt(C): -65.3 -59.9 -53.2 -47.6 -47.7 -45.5 -53.1 -46.7 -49.5 -48.3 -45.5 -48.4 -48.6 -47.3 -43.7 300mb RH (%): 10 13 32 63 69 72 35 65 43 52 66 48 45 50 72 300mb Dir: 333 343 346 343 334 345 350 336 325 320 321 321 318 304 291 300mb Speed(kt): 107 146 115 99 86 107 97 85 89 88 108 103 116 119 134 250mb GPH (m): 10359 10380 10437 10489 10507 10524 10558 10598 10606 10607 10591 10598 10577 10552 10481 250mb Temp (C): -52.4 -51.6 -52.7 -52.8 -51.2 -52.5 -52.4 -50.3 -48.7 -47.0 -48.4 -48.5 -49.4 -50.4 -50.2 250mb Dewpt(C): -63.7 -61.8 -59.4 -58.3 -59.9 -57.2 -57.3 -55.5 -61.1 -62.4 -57.7 -57.9 -58.1 -57.9 -53.4 250mb RH (%): 27 31 46 53 37 58 57 56 24 17 35 35 38 43 71 250mb Dir: 332 343 345 349 335 349 337 335 329 324 321 320 315 304 292 250mb Speed(kt): 107 155 118 119 97 105 87 87 96 92 108 110 130 123 136 200mb GPH (m): 11787 11796 11847 11902 11939 11963 11996 12040 12057 12075 12054 12053 12016 11977 11905 200mb Temp (C): -54.9 -57.9 -60.8 -58.4 -56.5 -51.9 -52.7 -51.1 -51.9 -49.2 -49.2 -49.7 -53.0 -56.5 -57.1 200mb Dewpt(C): -77.9 -75.5 -67.9 -75.6 -72.8 -77.6 -75.5 -76.5 -74.6 -77.4 -80.3 -80.7 -74.3 -68.1 -68.8 200mb RH (%): 5 11 42 11 13 4 6 4 6 3 2 2 7 24 24 200mb Dir: 335 344 343 348 346 344 349 347 335 323 313 322 316 300 295 200mb Speed(kt): 77 107 110 96 79 76 84 93 91 79 80 74 100 108 127 150mb GPH (m): 13619 13617 13650 13706 13749 13804 13846 13890 13915 13936 13921 13914 13865 13816 13743 150mb Temp (C): -55.5 -55.8 -57.8 -60.8 -59.2 -57.8 -56.2 -56.3 -55.3 -55.6 -54.1 -55.6 -55.6 -55.3 -55.4 150mb Dewpt(C): -88.6 -85.0 -86.4 -83.2 -85.5 -84.1 -85.6 -85.6 -89.3 -89.5 -88.5 -85.2 -88.2 -89.9 -89.3 150mb RH (%): 1 2 2 5 3 3 2 2 1 1 1 2 1 1 1 150mb Dir: 315 342 350 354 360 357 351 347 336 322 309 313 305 292 286 150mb Speed(kt): 51 66 68 80 80 67 68 64 57 48 53 60 58 69 87 100mb GPH (m): 16203 16200 16206 16226 16269 16318 16366 16414 16437 16458 16446 16429 16374 16343 16280 100mb Temp (C): -54.9 -55.6 -56.7 -59.1 -57.8 -61.3 -64.8 -64.6 -64.9 -65.0 -65.7 -65.6 -65.1 -63.5 -62.8 100mb Dewpt(C): -89.1 -89.6 -90.4 -87.5 -86.8 -89.1 -87.9 -89.1 -87.9 -89.6 -88.2 -88.4 -89.8 -88.6 -87.6 100mb RH (%): 1 1 1 2 2 2 4 3 4 3 4 4 3 3 3 100mb Dir: 342 338 347 8 2 5 5 5 344 325 321 302 303 299 272 100mb Speed(kt): 31 31 52 51 45 58 57 48 42 35 40 48 57 49 52