Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z MAY 18, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 999.9 999.2 999.2 1000.3 999.1 1000.5 1000.9 1001.7 999.7 999.6 999.3 999.7 996.6 996.3 995.3 Mean SLP (mb): 1024.3 1023.9 1024.1 1025.0 1023.4 1025.2 1025.8 1026.6 1024.1 1024.3 1024.3 1024.6 1020.7 1020.7 1019.9 2m agl Tmp (F): 61.7 52.3 46.8 52.7 63.1 50.8 47.2 49.7 60.2 52.2 44.9 49.3 64.6 56.1 51.0 2m agl Dewpt(F): 48.1 44.9 45.3 45.4 45.3 42.0 45.8 47.0 50.8 47.3 44.0 46.4 51.0 45.2 44.9 2m agl RH (%): 60 75 94 76 51 71 95 90 70 83 97 90 60 66 79 10m agl Dir: 287 309 270 295 306 303 242 261 310 302 287 274 323 337 33 10m agl Spd(kt): 5 4 2 3 9 4 1 2 7 5 4 4 7 2 3 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.01 0.01 Sfc CAPE (J/kg): 187.2 0.7 0.0 7.1 0.0 0.0 5.7 11.3 61.8 0.1 4.6 11.8 0.1 0.0 0.0 Sfc CINH (J/kg): 0.0 0.0 -1.0 0.0 -0.4 0.0 0.0 -0.6 0.0 0.0 0.0 0.0 0.0 -0.2 0.0 0-3km Hel(J/kg): 65.2 39.6 34.3 49.0 21.6 50.5 57.3 53.5 58.1 46.8 44.2 28.5 28.5 34.8 46.2 Precip H20 (in): 0.61 0.48 0.53 0.44 0.43 0.45 0.70 0.83 0.81 0.82 0.75 0.61 0.60 0.65 0.69 Lifted Index(C): -1.1 3.5 5.0 8.3 4.6 7.5 8.6 8.0 6.7 10.4 13.7 16.1 10.0 10.0 8.0 700mb VV(-ub/s): -3.3 -1.1 0.2 -1.2 -1.5 -0.6 -1.4 0.9 -0.9 -1.7 -0.3 -1.6 -1.2 -0.8 0.1 Thk1000-500mb(m)5437.2 5448.7 5434.6 5440.8 5475.8 5484.2 5487.3 5498.8 5525.7 5523.6 5515.1 5542.1 5591.6 5604.1 5603.6 Thk1000-850mb(m)1343.4 1339.0 1332.1 1331.0 1348.7 1340.4 1333.2 1333.5 1344.0 1337.6 1328.8 1330.8 1358.7 1365.7 1369.4 Thk850-700mb(m):1547.7 1556.6 1550.9 1551.6 1555.8 1561.1 1561.7 1561.8 1566.0 1570.7 1564.3 1574.4 1583.0 1587.9 1585.7 SWEAT Index: 136.3 39.8 50.4 51.9 46.7 49.3 69.4 88.5 56.0 47.2 62.6 59.3 50.3 40.0 49.0 Total Totals Idx 53.4 45.1 46.2 38.5 31.4 15.8 38.8 39.4 35.3 25.6 28.0 23.3 25.1 33.3 35.5 Frz Hgt(ft amsl) 6639 8139 7391 7572 8045 8422 8442 8590 9870 9640 8759 10161 11461 11822 11833 0WetBlbHgt(amsl) 5956 5534 5670 5020 4781 4478 6455 7098 5829 4784 6059 5796 6494 7855 7844 Equil Prs (mb): 453 999 999 1000 648 1000 1001 1002 796 1000 999 1000 997 996 995 Equil Hgt(amsl): 20862 26 26 26 12169 26 26 26 6799 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: 38.4 31.5 30.2 37.9 45.5 41.0 36.6 4.8 30.3 44.6 39.1 44.3 43.1 46.5 47.7 Showalter Index: 1.5 5.9 5.4 9.2 11.4 14.0 8.5 7.8 10.7 15.3 14.4 16.4 14.7 10.0 9.0 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 0.8 -999.9 -999.9 2.3 -999.9 -999.9 -999.9 4.9 -999.9 -999.9 -999.9 Storm Dir (deg): 42 13 348 8 7 4 359 351 347 349 6 36 34 50 58 Storm Spd (kts): 9 8 10 9 10 10 13 12 14 13 12 11 12 10 10 2m HeatIndex(F): 62 52 47 53 63 51 47 50 60 52 45 49 65 56 51 2m WindChill(F): 62 52 47 53 63 51 47 50 60 52 45 49 65 56 51 1000mb GPH (m): 203 198 197 206 197 208 211 218 202 201 198 201 175 173 164 950mb GPH (m): 634 624 619 629 629 633 632 640 632 627 617 623 609 605 597 950mb Temp (C): 10.4 8.8 7.1 5.8 11.6 9.0 5.8 5.3 10.2 8.2 5.3 5.5 12.8 13.5 15.1 950mb Dewpt(C): 6.9 6.8 4.9 3.6 4.9 5.6 5.2 5.1 8.4 6.4 5.0 5.0 8.4 6.3 6.0 950mb RH (%): 78 87 86 86 63 79 96 98 89 88 98 97 74 61 54 950mb Dir: 299 337 327 314 310 335 319 311 315 323 348 315 330 15 84 950mb Speed(kt): 6 16 7 3 12 14 5 3 9 13 7 3 10 12 10 900mb GPH (m): 1081 1070 1063 1071 1078 1080 1076 1084 1079 1072 1060 1064 1060 1060 1054 900mb Temp (C): 6.3 6.1 5.7 5.8 7.2 7.3 6.8 6.4 6.7 6.3 5.9 5.6 8.9 13.4 14.3 900mb Dewpt(C): 5.6 3.0 2.3 -3.9 4.0 -0.3 0.8 5.9 3.6 0.8 0.0 2.5 5.5 2.4 1.7 900mb RH (%): 95 81 78 49 80 58 65 96 80 68 65 80 79 46 42 900mb Dir: 307 359 332 326 313 351 326 336 326 324 345 52 334 43 100 900mb Speed(kt): 7 14 12 11 12 8 11 16 13 8 10 5 11 8 12 850mb GPH (m): 1547 1537 1529 1537 1545 1548 1544 1551 1546 1538 1526 1532 1533 1538 1534 850mb Temp (C): 2.8 4.4 3.5 4.4 5.4 6.0 5.1 4.4 3.2 4.8 4.8 6.1 9.2 10.8 11.2 850mb Dewpt(C): 0.7 -3.0 -1.7 -6.1 -14.1 -28.7 -0.7 2.4 -0.1 -10.0 -4.6 -4.8 -6.1 -0.9 -2.3 850mb RH (%): 86 58 69 46 23 6 66 86 79 33 50 45 33 44 38 850mb Dir: 347 354 332 336 337 328 328 319 318 323 342 45 70 36 103 850mb Speed(kt): 10 9 15 13 11 11 15 12 14 9 16 8 8 6 12 800mb GPH (m): 2035 2028 2019 2028 2037 2041 2037 2043 2035 2032 2019 2028 2033 2040 2035 800mb Temp (C): -0.1 2.6 1.3 1.8 2.7 3.4 2.9 2.4 2.7 4.3 3.0 5.3 6.5 7.3 7.0 800mb Dewpt(C): -3.2 -10.4 -5.2 -14.1 -23.8 -26.3 -4.1 -0.7 -9.3 -7.5 -4.7 -13.2 -10.3 1.6 -0.8 800mb RH (%): 79 38 61 30 12 9 60 80 41 42 57 25 29 67 57 800mb Dir: 8 344 335 346 341 331 323 300 312 331 340 35 56 66 90 800mb Speed(kt): 10 8 15 13 9 11 13 13 14 18 18 10 8 7 8 750mb GPH (m): 2549 2546 2535 2544 2555 2561 2557 2562 2558 2555 2539 2552 2559 2568 2562 750mb Temp (C): -2.1 -0.4 -1.6 -1.5 -0.7 0.0 0.1 0.2 1.9 2.1 0.5 2.7 4.0 4.5 3.6 750mb Dewpt(C): -10.8 -17.7 -17.5 -23.5 -28.5 -20.1 -6.9 -7.1 -10.2 -7.4 -2.5 -11.3 -21.6 -13.2 -8.5 750mb RH (%): 51 26 29 17 10 20 59 58 40 49 80 35 13 26 40 750mb Dir: 15 334 331 345 346 333 324 290 310 329 335 29 32 49 35 750mb Speed(kt): 10 7 14 13 9 10 12 13 16 19 14 12 10 9 7 700mb GPH (m): 3094 3093 3080 3088 3101 3109 3106 3113 3112 3109 3091 3106 3116 3126 3119 700mb Temp (C): -4.9 -4.1 -4.9 -5.3 -4.5 -2.9 -3.2 -1.5 -0.4 -1.0 -1.7 0.0 1.6 1.9 1.5 700mb Dewpt(C): -15.3 -25.5 -30.2 -31.5 -29.9 -16.6 -10.3 -21.6 -9.8 -2.0 -5.7 -7.2 -14.6 -16.0 -17.3 700mb RH (%): 44 18 12 11 12 34 58 20 49 93 74 58 29 25 23 700mb Dir: 50 320 316 339 349 340 321 312 310 322 336 19 18 32 14 700mb Speed(kt): 11 7 12 12 9 11 13 15 19 20 14 12 14 14 12 650mb GPH (m): 3672 3672 3658 3665 3680 3692 3689 3699 3701 3697 3679 3697 3710 3721 3714 650mb Temp (C): -8.9 -8.4 -8.8 -9.4 -8.0 -6.2 -6.0 -5.2 -3.2 -4.5 -3.4 -2.3 -0.9 -0.5 -0.3 650mb Dewpt(C): -25.2 -33.6 -34.1 -33.3 -25.4 -13.5 -17.4 -9.1 -8.5 -6.4 -7.1 -11.0 -15.8 -18.5 -17.9 650mb RH (%): 26 12 11 13 24 56 40 74 67 86 75 51 31 24 25 650mb Dir: 39 335 295 333 349 338 323 321 315 314 335 8 10 27 9 650mb Speed(kt): 14 8 13 13 10 14 17 17 24 20 16 17 19 17 17 600mb GPH (m): 4286 4286 4271 4278 4297 4313 4312 4323 4330 4324 4308 4328 4345 4356 4350 600mb Temp (C): -13.7 -13.2 -13.6 -13.1 -11.3 -10.5 -9.1 -8.4 -7.2 -7.2 -6.5 -5.1 -3.6 -3.0 -2.8 600mb Dewpt(C): -34.6 -41.2 -40.5 -25.7 -18.3 -20.5 -15.2 -12.5 -10.3 -8.2 -10.9 -16.1 -21.1 -19.9 -17.3 600mb RH (%): 16 8 9 35 57 44 62 73 78 93 71 42 25 26 32 600mb Dir: 28 341 296 334 346 330 330 325 319 312 333 3 3 18 12 600mb Speed(kt): 17 11 14 15 13 17 26 21 28 22 21 22 27 23 22 550mb GPH (m): 4940 4942 4927 4936 4960 4977 4980 4994 5003 4998 4983 5007 5028 5040 5034 550mb Temp (C): -18.9 -17.9 -17.9 -16.7 -15.3 -14.5 -13.4 -12.3 -11.0 -10.7 -9.8 -7.9 -6.3 -6.7 -7.2 550mb Dewpt(C): -43.1 -50.2 -38.5 -20.2 -23.3 -24.7 -16.4 -15.9 -15.8 -11.9 -16.3 -23.8 -25.0 -24.3 -17.0 550mb RH (%): 11 5 15 74 51 42 78 74 68 91 60 27 22 24 46 550mb Dir: 20 342 306 346 348 334 334 331 320 312 334 356 359 9 4 550mb Speed(kt): 18 14 17 19 20 22 31 29 28 26 25 32 32 27 24 500mb GPH (m): 5640 5646 5632 5647 5673 5692 5698 5716 5727 5724 5713 5743 5766 5777 5768 500mb Temp (C): -25.0 -21.9 -22.2 -20.1 -20.0 -19.3 -17.2 -16.3 -16.1 -15.4 -13.9 -11.0 -11.0 -11.7 -13.3 500mb Dewpt(C): -49.7 -51.6 -26.2 -25.7 -29.1 -27.9 -24.2 -20.0 -19.4 -17.1 -23.9 -30.4 -31.3 -27.6 -21.1 500mb RH (%): 9 6 71 62 45 47 55 73 76 87 43 19 18 26 52 500mb Dir: 26 354 316 344 344 334 337 331 321 314 337 355 357 358 347 500mb Speed(kt): 18 22 20 25 25 28 39 36 29 28 30 43 35 28 25 450mb GPH (m): 6399 6417 6400 6418 6445 6467 6480 6501 6514 6511 6506 6542 6565 6574 6559 450mb Temp (C): -27.7 -23.9 -26.0 -25.8 -25.8 -24.4 -22.4 -21.9 -20.5 -20.5 -18.5 -17.7 -17.4 -18.0 -19.9 450mb Dewpt(C): -57.3 -45.3 -28.5 -31.2 -36.1 -35.0 -27.0 -25.5 -23.3 -22.7 -30.6 -42.6 -33.8 -32.5 -24.7 450mb RH (%): 5 13 79 62 38 38 67 73 79 83 34 10 23 28 66 450mb Dir: 5 351 320 337 339 340 341 333 327 317 338 354 354 347 335 450mb Speed(kt): 38 36 25 23 30 40 53 37 34 30 36 49 40 31 26 400mb GPH (m): 7248 7268 7244 7261 7286 7315 7333 7356 7374 7373 7373 7409 7433 7441 7422 400mb Temp (C): -26.8 -29.2 -31.6 -31.6 -32.5 -29.7 -29.0 -28.6 -27.1 -26.1 -24.7 -25.8 -25.3 -25.3 -25.7 400mb Dewpt(C): -50.8 -40.1 -34.7 -37.4 -45.0 -38.2 -32.4 -32.2 -29.9 -28.8 -37.4 -52.5 -40.8 -34.2 -29.5 400mb RH (%): 9 35 75 58 29 45 73 72 77 79 31 7 23 44 71 400mb Dir: 356 340 327 332 334 345 339 336 330 324 340 358 346 339 334 400mb Speed(kt): 72 38 24 22 34 50 58 41 38 36 39 53 43 33 29 350mb GPH (m): 8199 8208 8172 8189 8212 8253 8271 8297 8322 8325 8329 8359 8386 8394 8377 350mb Temp (C): -32.5 -34.8 -39.1 -39.6 -39.1 -36.6 -36.9 -35.6 -33.5 -32.8 -32.5 -33.9 -33.4 -32.6 -31.2 350mb Dewpt(C): -43.2 -39.3 -42.8 -44.8 -53.0 -46.2 -41.3 -39.3 -37.0 -36.2 -48.4 -53.1 -44.5 -36.4 -43.1 350mb RH (%): 35 65 69 59 23 38 64 70 72 72 20 14 33 69 31 350mb Dir: 343 328 331 331 342 347 341 336 331 333 347 4 350 341 337 350mb Speed(kt): 72 43 19 19 42 57 54 53 44 41 47 63 48 42 38 300mb GPH (m): 9271 9273 9209 9221 9253 9300 9318 9351 9385 9388 9394 9420 9450 9464 9454 300mb Temp (C): -39.1 -40.5 -47.4 -49.2 -46.1 -46.1 -45.2 -43.9 -42.4 -41.9 -41.9 -42.7 -40.9 -39.7 -38.8 300mb Dewpt(C): -46.0 -46.3 -51.2 -55.4 -57.1 -55.1 -49.5 -47.6 -46.1 -45.7 -54.0 -49.5 -48.3 -46.6 -48.7 300mb RH (%): 50 55 66 50 29 37 64 68 68 68 27 49 47 50 36 300mb Dir: 333 320 310 331 349 348 340 337 332 334 345 351 351 343 329 300mb Speed(kt): 85 48 17 18 67 59 59 60 51 45 55 73 62 54 50 250mb GPH (m): 10496 10492 10394 10394 10441 10484 10508 10548 10590 10595 10601 10625 10664 10686 10675 250mb Temp (C): -48.1 -48.1 -52.8 -54.9 -54.1 -55.8 -55.2 -54.0 -52.4 -51.7 -51.4 -51.7 -50.3 -49.3 -49.6 250mb Dewpt(C): -56.0 -58.6 -61.0 -63.6 -62.6 -60.4 -59.2 -57.6 -56.4 -55.8 -59.5 -56.0 -57.2 -56.2 -53.1 250mb RH (%): 42 31 39 36 37 58 63 66 63 63 40 61 46 46 68 250mb Dir: 330 302 280 318 345 343 342 345 337 337 356 349 355 345 329 250mb Speed(kt): 97 71 24 22 67 71 66 64 59 55 77 86 79 67 55 200mb GPH (m): 11932 11933 11836 11825 11858 11889 11903 11943 11995 12010 12017 12036 12083 12108 12102 200mb Temp (C): -57.1 -56.5 -53.0 -53.4 -56.5 -57.5 -59.7 -62.2 -62.9 -60.4 -60.1 -61.1 -60.3 -59.6 -58.8 200mb Dewpt(C): -67.4 -72.6 -84.7 -81.1 -74.6 -71.5 -69.4 -67.0 -66.2 -65.4 -64.6 -65.9 -64.4 -65.4 -68.5 200mb RH (%): 29 13 2 3 10 18 30 54 66 55 57 56 61 49 30 200mb Dir: 329 301 291 318 334 341 343 342 339 338 346 351 354 347 330 200mb Speed(kt): 110 77 42 33 46 43 65 62 64 63 77 102 92 69 59 150mb GPH (m): 13736 13740 13688 13676 13692 13709 13707 13740 13770 13794 13795 13824 13840 13869 13869 150mb Temp (C): -59.0 -60.2 -53.3 -53.3 -54.6 -55.4 -57.5 -58.2 -60.0 -61.0 -61.3 -60.6 -63.0 -66.8 -66.1 150mb Dewpt(C): -81.3 -77.9 -80.9 -83.8 -88.9 -84.8 -83.8 -84.4 -82.2 -79.8 -79.5 -81.5 -77.8 -74.0 -72.8 150mb RH (%): 5 10 3 2 1 2 3 3 5 8 9 6 14 39 42 150mb Dir: 327 318 284 300 309 323 329 339 333 338 350 342 350 350 335 150mb Speed(kt): 52 46 37 28 27 33 45 37 35 46 50 55 69 62 41 100mb GPH (m): 16289 16295 16264 16268 16281 16293 16279 16300 16322 16334 16322 16345 16357 16369 16351 100mb Temp (C): -56.9 -56.2 -57.1 -56.7 -56.2 -55.7 -56.1 -56.6 -57.7 -58.4 -58.9 -59.9 -59.9 -60.7 -62.2 100mb Dewpt(C): -90.5 -90.0 -90.6 -90.3 -90.0 -89.6 -89.9 -90.2 -91.1 -91.6 -92.0 -91.8 -88.2 -88.8 -90.1 100mb RH (%): 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 100mb Dir: 321 318 305 294 299 300 316 323 324 323 327 344 338 351 3 100mb Speed(kt): 22 22 18 20 16 16 15 17 18 21 26 25 29 34 19