Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z APR 27, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 991.7 993.9 994.1 995.6 997.1 999.4 998.0 999.5 999.2 998.4 995.3 995.9 994.9 994.6 992.5 Mean SLP (mb): 1016.6 1018.7 1018.6 1020.3 1022.1 1024.3 1022.6 1024.4 1024.4 1023.0 1019.2 1020.2 1019.4 1018.5 1016.2 2m agl Tmp (F): 45.4 46.6 52.6 49.2 46.0 49.0 55.9 46.8 41.1 55.9 68.3 58.3 51.3 68.4 72.8 2m agl Dewpt(F): 40.1 44.4 45.1 45.2 42.2 41.3 42.1 38.7 39.3 43.9 46.2 44.3 36.6 47.5 49.2 2m agl RH (%): 81 92 75 86 87 74 59 73 93 63 44 59 57 46 42 10m agl Dir: 119 199 271 319 301 274 301 313 91 30 359 36 53 71 331 10m agl Spd(kt): 1 4 1 3 3 3 6 4 1 3 5 4 5 5 7 6hr Precip (in): 0.00 0.01 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 AccumPrecip(in): 0.00 0.01 0.01 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 Sfc CAPE (J/kg): 0.0 18.2 10.5 4.5 6.9 25.7 19.7 0.2 0.0 0.0 0.0 0.0 0.0 0.0 5.5 Sfc CINH (J/kg): 0.0 -0.1 -11.1 -6.8 -6.5 0.0 0.0 -0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 118.9 79.3 58.7 64.8 37.2 45.2 24.8 43.6 36.3 39.3 19.6 14.5 47.4 6.5 70.3 Precip H20 (in): 0.52 0.61 0.66 0.54 0.49 0.54 0.54 0.55 0.56 0.46 0.46 0.39 0.36 0.43 0.53 Lifted Index(C): 6.6 5.1 4.7 5.8 9.1 12.5 11.3 12.9 13.1 11.0 5.1 7.0 8.6 4.8 2.2 700mb VV(-ub/s): 3.2 -0.7 -1.3 -0.6 0.2 0.4 -0.3 -0.8 -1.1 -2.8 -3.2 -0.3 -0.9 -1.0 -1.4 Thk1000-500mb(m)5409.3 5404.5 5430.7 5433.3 5429.3 5432.3 5455.6 5456.9 5460.2 5492.2 5541.8 5542.0 5541.2 5545.6 5568.0 Thk1000-850mb(m)1325.8 1320.0 1331.7 1327.8 1317.5 1315.0 1329.9 1321.4 1318.7 1337.4 1364.7 1363.4 1359.7 1366.2 1378.1 Thk850-700mb(m):1542.0 1541.8 1546.3 1548.4 1545.9 1544.2 1543.0 1546.3 1551.1 1557.4 1567.8 1570.9 1570.2 1570.1 1576.6 SWEAT Index: 51.1 50.6 46.4 42.8 46.9 39.5 42.8 43.6 43.0 67.0 47.2 61.8 61.1 48.7 47.0 Total Totals Idx 41.4 47.0 46.5 45.2 40.2 31.9 32.9 31.8 29.6 28.0 37.1 34.1 36.1 39.2 45.6 Frz Hgt(ft amsl) 6681 6451 6903 7293 4726 4233 6633 6636 7318 7957 9106 9483 9173 9240 9815 0WetBlbHgt(amsl) 4651 5645 5390 5154 4355 3764 4653 4256 4058 4423 5794 5977 5816 6309 6879 Equil Prs (mb): 992 885 831 850 997 842 998 999 999 998 995 996 995 995 392 Equil Hgt(amsl): 26 3770 5456 4912 26 5218 26 26 26 26 26 26 26 26 24539 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: 24.2 5.7 23.0 20.0 21.6 20.6 25.4 25.8 38.3 41.1 46.2 45.1 50.5 47.0 48.0 Showalter Index: 8.2 5.2 5.5 6.3 9.6 14.1 13.0 13.7 14.4 13.8 9.1 10.5 9.6 7.9 3.6 Cap Strength(C):-999.9 2.8 1.7 3.1 4.5 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 Storm Dir (deg): 349 346 345 338 334 328 335 8 43 87 80 83 93 104 67 Storm Spd (kts): 11 9 8 10 11 10 10 9 9 12 10 11 11 8 5 2m HeatIndex(F): 45 47 53 49 46 49 56 47 41 56 68 58 51 68 73 2m WindChill(F): 45 47 53 49 46 49 56 47 41 56 68 58 51 68 73 1000mb GPH (m): 135 153 154 167 180 198 187 199 197 191 164 170 160 158 139 950mb GPH (m): 556 573 579 590 600 619 614 621 617 616 601 604 593 595 581 950mb Temp (C): 5.4 4.8 7.4 6.3 4.2 4.4 7.9 5.7 5.0 7.5 15.3 15.0 14.3 15.2 18.0 950mb Dewpt(C): 5.1 4.5 6.0 6.1 2.9 3.8 3.8 3.2 3.1 4.4 5.2 3.8 1.4 5.6 7.0 950mb RH (%): 98 98 90 99 91 96 75 84 87 81 50 46 41 52 48 950mb Dir: 302 211 229 328 319 287 304 338 356 44 7 84 77 78 333 950mb Speed(kt): 1 9 2 7 8 3 7 10 5 4 5 13 16 9 9 900mb GPH (m): 997 1012 1023 1032 1038 1057 1056 1061 1056 1060 1055 1059 1047 1050 1040 900mb Temp (C): 3.8 2.2 4.6 4.2 2.4 1.1 3.5 2.6 2.0 7.0 10.8 11.5 10.7 11.5 13.6 900mb Dewpt(C): 3.5 2.0 4.2 3.8 2.0 0.1 2.8 0.0 0.5 -4.8 3.7 0.8 0.2 2.1 6.0 900mb RH (%): 98 98 98 97 97 93 95 83 90 43 61 47 48 52 59 900mb Dir: 234 267 267 292 267 275 304 358 317 91 30 89 98 89 344 900mb Speed(kt): 5 5 10 7 10 7 7 4 2 18 7 18 20 15 9 850mb GPH (m): 1461 1473 1486 1495 1498 1513 1517 1521 1516 1528 1528 1533 1520 1524 1517 850mb Temp (C): 2.9 1.5 1.0 1.0 -0.3 -1.1 0.3 0.4 1.8 5.0 7.5 8.1 7.8 8.1 9.8 850mb Dewpt(C): -4.6 0.8 0.5 0.1 -2.2 -4.4 -2.1 -3.6 -7.2 -11.3 -4.0 -6.7 -5.0 -2.5 2.3 850mb RH (%): 57 95 96 94 87 78 84 74 51 29 44 34 40 47 59 850mb Dir: 265 277 277 242 233 279 299 273 52 100 75 82 104 105 26 850mb Speed(kt): 13 11 12 9 12 8 8 6 5 20 13 19 21 16 8 800mb GPH (m): 1950 1960 1972 1981 1984 1999 2002 2007 2004 2020 2024 2029 2016 2020 2017 800mb Temp (C): 0.7 0.0 0.8 1.3 0.6 0.0 0.1 0.1 1.2 2.3 4.3 4.7 4.9 4.7 5.8 800mb Dewpt(C): -9.1 -2.3 -4.6 -10.3 -15.6 -26.1 -15.9 -8.5 -7.4 -16.2 -15.7 -11.0 -16.0 -8.8 -5.3 800mb RH (%): 48 84 67 42 29 12 29 52 53 24 22 31 20 37 44 800mb Dir: 285 274 294 274 284 294 278 302 52 99 85 72 99 100 88 800mb Speed(kt): 15 14 10 14 14 11 11 5 6 17 20 17 14 11 8 750mb GPH (m): 2463 2474 2488 2498 2499 2513 2516 2522 2521 2538 2545 2552 2539 2543 2541 750mb Temp (C): -3.6 -3.5 -2.3 -1.4 -1.6 -1.9 -2.4 -2.0 -1.5 -0.6 1.0 1.9 1.6 1.6 2.3 750mb Dewpt(C): -14.0 -9.2 -5.4 -11.8 -20.7 -23.2 -18.2 -8.1 -6.8 -12.5 -17.3 -26.0 -17.3 -18.1 -18.8 750mb RH (%): 44 65 80 45 22 18 29 63 67 40 24 11 23 22 19 750mb Dir: 286 286 329 280 284 282 273 321 47 84 88 79 94 96 118 750mb Speed(kt): 15 13 11 16 16 12 12 6 7 12 17 12 10 10 7 700mb GPH (m): 3003 3014 3032 3043 3044 3058 3060 3067 3067 3086 3096 3104 3090 3094 3094 700mb Temp (C): -8.8 -7.6 -6.2 -5.6 -4.6 -4.8 -5.1 -4.8 -3.9 -3.3 -1.3 -1.2 -1.8 -1.7 -0.5 700mb Dewpt(C): -13.1 -13.4 -9.3 -17.6 -24.4 -13.3 -20.8 -9.9 -10.1 -11.5 -20.3 -25.9 -22.7 -28.9 -30.3 700mb RH (%): 71 63 78 38 20 51 28 67 62 53 22 14 19 11 9 700mb Dir: 295 314 325 295 294 295 280 346 28 69 82 39 63 103 128 700mb Speed(kt): 17 11 12 14 16 13 13 9 11 12 14 7 10 8 4 650mb GPH (m): 3573 3586 3607 3620 3623 3637 3639 3648 3649 3669 3683 3689 3677 3682 3684 650mb Temp (C): -12.6 -11.8 -10.1 -8.6 -8.0 -7.9 -8.1 -6.7 -6.5 -5.4 -4.2 -4.0 -2.7 -2.9 -2.3 650mb Dewpt(C): -17.2 -15.9 -15.0 -31.6 -34.6 -16.2 -11.9 -14.4 -13.9 -16.5 -21.7 -26.9 -40.3 -43.2 -33.4 650mb RH (%): 69 72 68 14 10 52 74 54 56 42 25 15 4 3 7 650mb Dir: 324 339 318 315 304 298 292 349 18 44 57 24 35 84 127 650mb Speed(kt): 18 12 11 14 17 19 16 14 16 15 11 11 11 7 3 600mb GPH (m): 4180 4195 4220 4235 4240 4254 4257 4269 4271 4293 4310 4318 4307 4310 4312 600mb Temp (C): -14.7 -14.7 -12.7 -12.4 -11.3 -11.5 -10.2 -9.2 -9.3 -8.5 -6.2 -6.3 -6.5 -7.5 -7.1 600mb Dewpt(C): -22.6 -25.2 -21.8 -33.6 -25.2 -13.7 -16.3 -20.3 -20.6 -23.5 -61.3 -44.4 -39.1 -34.8 -37.6 600mb RH (%): 52 41 47 16 31 84 61 40 40 29 1 3 6 10 7 600mb Dir: 350 2 331 323 318 298 311 344 12 34 32 24 15 57 85 600mb Speed(kt): 23 14 16 15 18 20 21 18 22 19 16 16 13 9 4 550mb GPH (m): 4837 4850 4877 4893 4901 4917 4924 4937 4938 4962 4984 4990 4978 4981 4985 550mb Temp (C): -17.1 -17.4 -17.2 -17.2 -16.5 -15.5 -13.4 -12.9 -12.8 -12.5 -11.2 -12.1 -11.2 -11.7 -11.5 550mb Dewpt(C): -41.8 -30.6 -25.3 -39.3 -18.8 -16.4 -27.3 -27.2 -25.9 -27.2 -46.8 -38.1 -41.0 -49.4 -49.9 550mb RH (%): 10 32 50 13 82 92 31 30 33 29 4 10 7 3 3 550mb Dir: 347 5 336 326 324 302 321 342 4 26 26 27 18 28 69 550mb Speed(kt): 26 16 17 18 19 19 22 26 28 22 17 17 15 12 4 500mb GPH (m): 5544 5557 5585 5600 5610 5631 5643 5656 5658 5683 5705 5712 5702 5703 5707 500mb Temp (C): -21.6 -22.3 -22.5 -22.0 -21.4 -18.6 -17.3 -17.5 -17.5 -17.2 -16.8 -16.3 -16.6 -16.8 -16.8 500mb Dewpt(C): -40.3 -30.6 -31.9 -38.7 -23.0 -19.6 -34.9 -37.9 -31.9 -32.1 -47.2 -51.7 -49.0 -61.5 -56.9 500mb RH (%): 18 48 43 22 87 92 21 16 28 27 6 3 5 1 2 500mb Dir: 343 358 330 333 339 320 329 342 0 20 13 25 13 25 26 500mb Speed(kt): 25 18 17 23 23 23 27 32 33 27 21 25 20 17 5 450mb GPH (m): 6311 6321 6350 6368 6384 6409 6425 6436 6437 6463 6485 6494 6483 6485 6489 450mb Temp (C): -27.7 -29.0 -27.1 -26.1 -23.7 -22.5 -22.4 -22.9 -23.5 -23.5 -23.3 -22.6 -22.2 -22.4 -22.5 450mb Dewpt(C): -38.4 -33.5 -42.6 -42.6 -31.3 -28.9 -42.6 -64.3 -37.4 -39.2 -46.5 -55.9 -56.1 -54.7 -49.1 450mb RH (%): 36 66 23 21 50 57 15 1 28 23 11 4 3 4 8 450mb Dir: 345 345 333 345 346 334 330 342 358 13 13 21 5 4 348 450mb Speed(kt): 24 16 17 34 31 32 33 40 35 32 31 34 27 22 9 400mb GPH (m): 7148 7153 7189 7211 7236 7265 7278 7287 7285 7311 7335 7347 7336 7337 7341 400mb Temp (C): -32.6 -34.2 -32.0 -30.9 -28.4 -27.7 -28.6 -30.1 -30.4 -30.6 -30.1 -28.5 -28.8 -29.6 -29.6 400mb Dewpt(C): -42.9 -47.9 -54.5 -40.8 -37.9 -37.9 -39.1 -50.0 -45.5 -49.5 -59.5 -58.5 -60.2 -53.4 -44.8 400mb RH (%): 36 25 10 38 41 38 37 14 23 15 5 5 4 9 23 400mb Dir: 334 359 330 351 348 338 331 340 356 6 12 19 6 351 343 400mb Speed(kt): 27 13 20 41 36 38 40 43 38 38 43 46 29 20 10 350mb GPH (m): 8073 8073 8117 8146 8178 8207 8217 8220 8218 8244 8271 8289 8277 8273 8276 350mb Temp (C): -40.0 -41.3 -39.3 -37.0 -35.6 -35.8 -36.9 -37.6 -37.6 -37.7 -36.7 -35.7 -36.0 -37.1 -37.4 350mb Dewpt(C): -48.7 -50.4 -58.4 -47.5 -39.8 -42.4 -42.3 -51.2 -61.9 -61.4 -69.6 -64.3 -61.9 -50.9 -46.3 350mb RH (%): 41 39 13 35 66 52 59 24 7 8 2 4 6 24 41 350mb Dir: 323 14 337 5 354 341 328 341 351 3 7 8 6 331 323 350mb Speed(kt): 27 11 24 50 42 46 49 40 44 51 58 50 32 22 20 300mb GPH (m): 9107 9104 9154 9196 9233 9259 9262 9265 9265 9289 9320 9341 9329 9320 9320 300mb Temp (C): -47.8 -48.5 -47.7 -44.3 -43.3 -44.2 -45.3 -45.4 -44.4 -45.1 -44.4 -44.2 -44.4 -45.1 -46.4 300mb Dewpt(C): -59.3 -58.1 -61.5 -55.6 -47.3 -53.7 -54.3 -59.0 -62.1 -64.7 -65.3 -60.3 -59.7 -48.7 -58.4 300mb RH (%): 27 34 21 29 65 36 38 22 14 11 9 17 18 68 26 300mb Dir: 322 33 341 6 353 335 331 342 352 357 359 357 349 319 315 300mb Speed(kt): 28 13 27 67 53 47 48 43 56 64 65 54 33 25 23 250mb GPH (m): 10287 10279 10335 10392 10436 10456 10459 10462 10469 10488 10518 10540 10525 10509 10502 250mb Temp (C): -56.1 -55.5 -54.5 -53.3 -52.5 -53.0 -52.1 -51.5 -51.1 -51.8 -52.3 -52.6 -53.7 -55.6 -56.4 250mb Dewpt(C): -66.7 -66.6 -68.2 -62.2 -57.7 -59.5 -65.8 -65.7 -66.7 -69.0 -67.0 -64.4 -57.6 -59.2 -64.2 250mb RH (%): 28 26 19 35 55 47 20 19 16 13 17 25 64 66 40 250mb Dir: 310 35 353 7 358 339 335 340 348 349 348 343 329 318 311 250mb Speed(kt): 33 11 32 73 58 52 62 63 86 74 75 64 40 23 26 200mb GPH (m): 11688 11701 11753 11805 11844 11869 11885 11889 11891 11907 11935 11949 11922 11893 11889 200mb Temp (C): -58.5 -55.7 -56.5 -58.3 -61.0 -59.1 -55.8 -55.7 -58.0 -59.2 -58.9 -61.3 -63.4 -64.1 -63.3 200mb Dewpt(C): -74.1 -74.4 -73.8 -70.6 -63.9 -68.7 -73.1 -72.8 -69.5 -70.1 -71.1 -68.8 -67.4 -67.8 -66.6 200mb RH (%): 14 10 11 22 70 30 12 12 24 26 22 39 61 63 66 200mb Dir: 334 19 352 6 357 337 327 339 343 337 338 330 309 312 310 200mb Speed(kt): 22 25 27 53 60 49 56 57 61 64 76 68 51 22 29 150mb GPH (m): 13531 13540 13580 13621 13636 13670 13702 13715 13715 13722 13740 13738 13699 13684 13680 150mb Temp (C): -53.2 -53.6 -54.5 -56.3 -58.6 -58.7 -58.2 -57.2 -55.8 -56.4 -56.3 -58.5 -57.4 -57.2 -57.4 150mb Dewpt(C): -87.8 -88.2 -89.1 -85.6 -84.7 -81.0 -81.3 -83.7 -85.2 -85.7 -85.4 -84.4 -86.2 -86.0 -83.7 150mb RH (%): 1 1 1 2 3 5 5 3 2 2 2 3 2 2 3 150mb Dir: 334 357 0 354 353 346 327 337 332 333 329 314 292 298 295 150mb Speed(kt): 12 17 20 24 27 31 30 39 29 23 28 34 34 29 27 100mb GPH (m): 16123 16133 16160 16188 16190 16213 16239 16255 16253 16264 16285 16280 16247 16241 16242 100mb Temp (C): -55.6 -55.7 -56.3 -57.6 -58.6 -59.2 -59.8 -59.7 -60.3 -60.3 -60.6 -61.0 -60.2 -58.8 -58.1 100mb Dewpt(C): -89.5 -89.6 -90.0 -91.0 -91.7 -92.1 -92.5 -92.6 -88.5 -88.5 -88.9 -89.1 -92.9 -87.6 -87.0 100mb RH (%): 1 1 1 1 1 1 1 1 2 2 2 2 1 2 2 100mb Dir: 320 310 344 334 314 313 302 314 319 325 309 313 290 285 302 100mb Speed(kt): 4 4 3 5 9 11 15 12 21 16 18 16 16 24 22