Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 17, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 999.2 1000.4 998.3 998.4 998.9 1000.0 998.9 1000.4 1001.2 1002.2 1000.2 1000.3 999.6 1000.6 997.6 Mean SLP (mb): 1024.4 1025.3 1022.6 1023.1 1023.8 1024.7 1023.2 1025.1 1026.2 1027.1 1024.6 1024.9 1024.4 1025.5 1021.9 2m agl Tmp (F): 41.3 50.7 61.2 52.6 46.1 53.8 62.9 51.0 47.2 49.7 59.0 52.3 48.0 48.6 61.7 2m agl Dewpt(F): 39.9 42.3 44.1 42.5 44.0 46.5 44.1 44.5 45.5 46.3 50.2 49.1 46.2 45.2 47.0 2m agl RH (%): 95 72 53 68 92 76 49 78 93 88 72 88 93 88 58 10m agl Dir: 261 306 316 311 246 281 306 297 264 262 306 297 286 283 304 10m agl Spd(kt): 2 3 7 4 2 3 9 4 3 2 8 4 4 4 8 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 0.00 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 0.00 0.01 0.01 0.01 Sfc CAPE (J/kg): 0.9 16.9 0.0 0.0 0.0 3.0 0.0 0.0 7.5 13.1 16.5 2.3 4.5 9.4 6.3 Sfc CINH (J/kg): -1.5 0.0 0.0 0.0 0.0 0.0 -2.9 0.0 -0.1 -0.2 0.0 -1.1 -0.2 0.0 0.0 0-3km Hel(J/kg): 149.6 78.5 26.0 28.5 25.3 41.6 18.4 53.3 56.3 51.1 63.3 66.0 53.4 88.8 44.8 Precip H20 (in): 0.49 0.47 0.49 0.43 0.44 0.48 0.48 0.52 0.69 0.74 0.85 0.91 0.77 0.60 0.72 Lifted Index(C): 3.3 4.5 1.9 4.9 4.5 7.0 4.5 7.4 9.9 9.7 9.0 9.8 14.6 18.5 13.2 700mb VV(-ub/s): -1.7 -3.6 -3.0 -0.6 0.3 0.2 -1.7 -1.0 -0.9 -0.5 -1.7 -1.8 -0.2 -0.6 -0.9 Thk1000-500mb(m)5333.9 5378.9 5433.6 5447.8 5432.3 5437.1 5468.6 5478.0 5482.0 5494.2 5530.5 5540.2 5536.6 5550.2 5585.9 Thk1000-850mb(m)1309.9 1318.8 1343.7 1341.6 1334.0 1333.6 1348.2 1339.3 1330.9 1331.2 1342.4 1340.2 1334.2 1331.0 1347.1 Thk850-700mb(m):1523.4 1534.4 1547.8 1554.9 1552.0 1549.6 1554.6 1558.1 1559.9 1561.3 1567.4 1573.0 1570.9 1568.7 1577.7 SWEAT Index: 163.4 37.8 46.2 31.7 43.7 47.2 44.4 56.6 67.1 59.8 76.5 50.3 73.6 65.3 40.4 Total Totals Idx 53.7 48.7 47.3 38.0 41.2 40.9 33.7 25.1 36.0 36.3 35.9 33.6 19.9 18.5 20.7 Frz Hgt(ft amsl) 3658 5550 7078 7791 7588 7442 7847 8151 8427 8550 9367 10439 9847 10885 12563 0WetBlbHgt(amsl) 3516 4067 5161 4776 4761 5031 4739 4595 6098 6747 6556 8420 4978 5278 7215 Equil Prs (mb): 999 1000 496 998 999 1000 629 1000 1001 1002 850 1000 1000 1001 998 Equil Hgt(amsl): 26 26 18636 26 26 26 12884 26 26 26 5093 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: 21.9 24.1 42.6 37.7 34.7 39.1 46.2 37.9 35.4 35.7 25.0 24.7 44.0 54.2 46.9 Showalter Index: 3.5 5.2 5.0 9.0 7.8 8.1 10.7 13.6 10.4 9.8 9.5 11.1 17.9 18.8 17.7 Cap Strength(C):-999.9 -999.9 0.0 -999.9 -999.9 -999.9 0.9 -999.9 3.0 2.3 -999.9 0.0 -999.9 3.0 -999.9 Storm Dir (deg): 39 60 39 18 351 357 3 3 1 1 357 358 357 6 8 Storm Spd (kts): 15 11 9 7 7 9 10 11 12 12 14 13 14 14 11 2m HeatIndex(F): 41 51 61 53 46 54 63 51 47 50 59 52 48 49 62 2m WindChill(F): 41 51 61 53 46 54 63 51 47 50 59 52 48 49 62 1000mb GPH (m): 197 207 189 191 194 204 195 207 214 222 205 206 200 208 184 950mb GPH (m): 615 628 620 618 617 628 627 632 635 643 634 632 622 629 615 950mb Temp (C): 3.7 4.5 10.8 9.8 7.8 6.5 11.6 8.5 5.0 5.2 9.1 8.0 6.8 5.4 11.1 950mb Dewpt(C): 3.3 3.5 4.4 5.3 5.5 4.1 4.2 6.8 4.7 4.4 8.2 7.8 5.9 4.2 6.4 950mb RH (%): 97 93 64 73 85 84 60 89 99 94 94 99 94 92 72 950mb Dir: 318 316 321 346 343 299 310 329 331 335 312 328 327 315 308 950mb Speed(kt): 8 3 9 16 7 4 12 14 4 1 11 11 8 4 11 900mb GPH (m): 1051 1066 1067 1065 1062 1071 1075 1078 1078 1086 1080 1078 1066 1071 1063 900mb Temp (C): 0.4 1.5 6.5 6.8 6.0 6.1 7.3 7.2 5.9 6.2 6.4 7.0 6.5 6.3 6.8 900mb Dewpt(C): -0.1 0.1 3.6 0.8 1.3 -1.5 3.3 0.3 1.2 2.4 4.8 4.7 2.4 -6.0 5.5 900mb RH (%): 97 90 82 65 71 58 76 61 71 76 89 85 75 41 91 900mb Dir: 340 6 327 7 346 320 313 359 327 329 331 353 336 329 314 900mb Speed(kt): 15 7 10 14 10 10 13 8 10 14 11 13 12 11 11 850mb GPH (m): 1507 1526 1533 1532 1528 1538 1543 1546 1545 1553 1548 1546 1534 1539 1531 850mb Temp (C): -2.2 0.8 3.9 5.1 4.4 4.1 5.1 5.4 4.4 4.5 5.1 5.5 5.7 6.0 6.0 850mb Dewpt(C): -3.1 -4.2 -4.4 -9.9 -8.3 -5.3 -13.0 -17.5 -2.7 -0.4 1.9 -1.6 -9.3 -7.1 -6.6 850mb RH (%): 93 69 55 33 39 50 26 17 60 70 80 60 33 38 40 850mb Dir: 354 30 359 349 342 325 337 323 332 326 328 336 331 339 354 850mb Speed(kt): 18 6 11 5 12 11 11 11 14 14 12 11 18 17 12 800mb GPH (m): 1987 2010 2023 2024 2019 2028 2035 2038 2036 2045 2041 2041 2028 2033 2025 800mb Temp (C): -4.2 -1.6 0.9 2.5 1.8 1.5 2.4 2.7 2.2 2.8 3.6 4.8 3.9 4.2 4.5 800mb Dewpt(C): -7.5 -6.5 -9.6 -13.8 -14.3 -14.8 -19.6 -16.3 -4.3 -3.0 -5.4 -4.2 -1.7 -18.4 -5.1 800mb RH (%): 78 69 45 29 29 29 18 23 62 66 52 52 66 18 49 800mb Dir: 1 49 12 319 333 331 334 316 329 326 315 327 332 333 357 800mb Speed(kt): 21 7 10 5 10 12 9 10 12 13 11 17 20 18 12 750mb GPH (m): 2494 2521 2537 2542 2535 2543 2552 2556 2555 2565 2563 2564 2551 2555 2550 750mb Temp (C): -6.2 -4.5 -2.5 -1.2 -1.4 -1.8 -1.1 -0.4 0.1 0.2 1.7 2.1 2.0 1.2 3.8 750mb Dewpt(C): -9.2 -10.5 -13.8 -14.5 -22.6 -21.6 -22.7 -16.6 -6.4 -7.1 -8.8 -2.1 -4.3 -4.9 -5.7 750mb RH (%): 79 63 42 36 18 21 18 28 61 58 45 74 63 64 50 750mb Dir: 13 40 48 300 314 331 334 315 325 324 322 325 331 330 353 750mb Speed(kt): 22 13 6 3 7 13 9 8 13 14 17 17 20 19 15 700mb GPH (m): 3030 3060 3081 3087 3080 3087 3098 3104 3105 3114 3115 3119 3105 3108 3108 700mb Temp (C): -9.3 -8.1 -5.9 -4.7 -5.0 -5.6 -4.7 -3.5 -2.9 -2.7 -1.5 0.3 -0.5 0.9 2.3 700mb Dewpt(C): -14.0 -17.1 -15.0 -24.5 -24.9 -27.5 -23.4 -11.3 -11.0 -15.8 -5.2 -5.3 -9.5 -13.7 -10.6 700mb RH (%): 69 48 49 20 20 16 22 55 54 36 76 66 50 33 38 700mb Dir: 20 34 57 336 307 326 334 331 324 325 327 327 323 333 349 700mb Speed(kt): 23 19 8 3 7 12 9 10 14 15 19 19 20 23 19 650mb GPH (m): 3598 3631 3657 3665 3658 3663 3675 3687 3688 3698 3705 3710 3694 3700 3704 650mb Temp (C): -13.8 -11.5 -9.8 -8.7 -8.9 -9.7 -9.0 -6.3 -6.4 -6.2 -2.9 -2.7 -3.7 -1.6 0.5 650mb Dewpt(C): -22.1 -27.1 -26.5 -35.9 -32.8 -31.1 -15.6 -13.6 -17.4 -10.1 -10.3 -6.8 -6.9 -13.6 -14.3 650mb RH (%): 50 27 25 10 13 16 59 57 42 74 57 73 78 39 32 650mb Dir: 22 34 32 0 308 314 345 343 327 332 331 326 321 336 347 650mb Speed(kt): 23 24 10 5 8 11 11 13 16 18 25 21 21 27 21 600mb GPH (m): 4200 4240 4269 4279 4270 4275 4291 4306 4309 4322 4334 4341 4324 4334 4343 600mb Temp (C): -18.1 -15.4 -14.0 -13.5 -13.9 -14.3 -11.7 -11.2 -9.6 -7.8 -6.7 -6.0 -5.2 -3.9 -2.0 600mb Dewpt(C): -30.9 -34.7 -35.6 -39.0 -40.0 -18.8 -16.6 -19.8 -15.7 -14.6 -10.9 -10.0 -10.6 -16.4 -17.2 600mb RH (%): 32 18 15 10 10 69 67 49 61 59 72 73 66 37 30 600mb Dir: 18 32 25 3 301 313 346 334 330 333 333 325 320 334 342 600mb Speed(kt): 26 24 14 8 10 12 19 16 24 25 28 24 25 28 23 550mb GPH (m): 4843 4890 4922 4934 4924 4931 4952 4969 4976 4993 5009 5018 5003 5018 5030 550mb Temp (C): -23.4 -20.7 -19.2 -18.3 -19.0 -16.5 -15.7 -14.6 -13.2 -12.3 -10.4 -9.7 -9.0 -5.8 -5.4 550mb Dewpt(C): -35.4 -41.7 -45.5 -48.3 -39.2 -19.3 -21.3 -24.9 -17.0 -18.1 -15.5 -14.2 -13.9 -21.0 -21.4 550mb RH (%): 33 14 8 6 16 79 62 42 74 62 66 70 68 29 28 550mb Dir: 13 33 23 353 304 337 343 336 333 335 331 325 323 343 332 550mb Speed(kt): 31 25 18 13 14 21 22 24 30 27 29 26 29 28 20 500mb GPH (m): 5531 5586 5623 5639 5627 5641 5663 5685 5696 5716 5736 5746 5737 5758 5769 500mb Temp (C): -29.5 -26.0 -23.9 -21.4 -22.5 -21.0 -20.8 -18.7 -17.1 -16.1 -14.5 -14.8 -11.8 -9.8 -10.7 500mb Dewpt(C): -38.4 -50.1 -54.6 -52.5 -28.0 -25.7 -26.9 -31.1 -25.1 -20.7 -20.7 -19.4 -21.7 -26.8 -24.3 500mb RH (%): 43 9 5 5 62 67 58 33 51 68 60 69 44 24 32 500mb Dir: 15 35 15 349 319 339 339 341 339 338 330 325 333 349 326 500mb Speed(kt): 35 25 25 22 20 26 22 35 39 32 30 27 38 31 16 450mb GPH (m): 6273 6339 6388 6413 6396 6411 6434 6461 6477 6500 6525 6535 6535 6561 6569 450mb Temp (C): -35.1 -30.9 -25.3 -22.6 -25.5 -26.0 -25.7 -24.3 -22.4 -21.8 -19.9 -19.7 -17.2 -16.6 -17.4 450mb Dewpt(C): -47.0 -57.7 -54.6 -48.3 -28.2 -30.8 -33.3 -33.3 -26.5 -25.5 -26.9 -24.1 -30.7 -24.5 -27.1 450mb RH (%): 30 6 5 8 79 65 50 44 69 72 55 68 31 51 43 450mb Dir: 16 10 359 347 318 333 338 343 340 340 331 328 337 340 323 450mb Speed(kt): 37 33 48 33 29 24 25 44 51 41 34 32 45 35 20 400mb GPH (m): 7087 7172 7244 7268 7239 7253 7277 7308 7330 7356 7387 7401 7405 7432 7440 400mb Temp (C): -37.4 -31.1 -25.8 -28.1 -31.3 -32.1 -32.0 -30.4 -29.0 -28.4 -26.6 -24.8 -24.0 -23.9 -23.5 400mb Dewpt(C): -56.7 -58.1 -48.2 -34.9 -34.4 -35.7 -43.1 -36.7 -32.4 -32.4 -31.5 -29.4 -34.7 -32.8 -26.5 400mb RH (%): 13 6 11 53 74 71 34 55 73 69 64 66 37 45 77 400mb Dir: 350 352 348 339 320 330 335 347 336 341 337 330 347 335 319 400mb Speed(kt): 57 73 73 36 28 25 27 54 55 49 38 36 53 33 27 350mb GPH (m): 8012 8118 8196 8212 8172 8181 8203 8243 8268 8299 8336 8358 8363 8392 8404 350mb Temp (C): -35.9 -31.7 -33.2 -34.2 -37.9 -39.3 -39.9 -36.6 -36.8 -35.3 -34.0 -31.4 -31.8 -31.2 -29.7 350mb Dewpt(C): -63.1 -54.2 -41.6 -37.4 -41.4 -43.0 -53.8 -44.8 -40.8 -39.3 -38.9 -34.7 -42.1 -41.7 -34.0 350mb RH (%): 5 10 44 74 70 68 23 44 68 68 62 73 37 36 67 350mb Dir: 342 350 341 325 323 318 335 352 337 337 344 334 346 330 329 350mb Speed(kt): 104 117 72 41 20 18 31 56 54 58 44 43 52 40 37 300mb GPH (m): 9074 9189 9265 9277 9214 9215 9239 9289 9316 9352 9399 9428 9431 9463 9484 300mb Temp (C): -40.3 -40.2 -39.6 -41.1 -46.8 -48.4 -47.0 -46.2 -45.6 -44.0 -42.0 -41.1 -40.7 -40.5 -38.7 300mb Dewpt(C): -64.6 -52.4 -48.6 -45.1 -50.4 -52.5 -59.8 -54.6 -49.2 -48.0 -48.1 -44.4 -51.3 -43.9 -42.0 300mb RH (%): 7 28 39 66 68 64 24 40 68 66 53 71 33 71 72 300mb Dir: 343 344 335 316 302 310 344 349 340 345 343 339 348 335 329 300mb Speed(kt): 120 125 81 52 18 10 49 64 60 59 49 52 53 52 45 250mb GPH (m): 10299 10406 10489 10494 10400 10393 10426 10473 10503 10550 10604 10638 10647 10679 10704 250mb Temp (C): -45.7 -49.3 -48.1 -48.4 -53.4 -54.5 -53.8 -55.5 -55.7 -53.8 -52.1 -51.5 -50.5 -50.1 -50.1 250mb Dewpt(C): -71.4 -59.3 -54.6 -60.9 -62.1 -63.5 -65.6 -61.7 -59.5 -57.9 -57.2 -55.3 -57.4 -54.7 -53.8 250mb RH (%): 5 32 49 24 36 34 25 48 64 62 56 66 46 60 66 250mb Dir: 339 342 329 303 293 302 345 345 339 350 344 342 357 344 336 250mb Speed(kt): 106 132 101 76 30 18 64 70 64 67 59 61 66 60 49 200mb GPH (m): 11771 11840 11925 11933 11833 11820 11844 11882 11896 11948 12010 12048 12063 12099 12125 200mb Temp (C): -49.5 -57.5 -57.5 -56.9 -53.5 -53.6 -56.1 -57.5 -60.4 -61.5 -62.8 -61.9 -61.2 -60.5 -60.0 200mb Dewpt(C): -79.4 -72.5 -66.4 -72.0 -73.8 -78.9 -77.3 -71.7 -68.4 -66.9 -66.5 -66.1 -65.0 -64.4 -64.5 200mb RH (%): 2 15 34 15 8 4 7 17 37 52 63 60 63 63 58 200mb Dir: 342 340 328 300 288 310 332 345 343 348 349 347 344 348 339 200mb Speed(kt): 83 122 107 84 43 31 46 46 63 65 75 71 78 73 60 150mb GPH (m): 13645 13675 13729 13738 13682 13669 13679 13702 13703 13739 13779 13816 13831 13861 13888 150mb Temp (C): -52.6 -55.1 -58.6 -59.2 -53.6 -53.5 -54.5 -55.2 -56.6 -58.7 -60.7 -61.8 -61.8 -64.6 -64.9 150mb Dewpt(C): -87.4 -89.5 -79.5 -79.4 -83.7 -87.9 -88.1 -85.0 -85.6 -82.7 -80.6 -77.9 -78.1 -74.9 -74.9 150mb RH (%): 1 1 7 7 2 1 1 2 2 4 7 12 12 26 27 150mb Dir: 327 340 332 313 288 298 319 329 330 343 342 346 350 339 336 150mb Speed(kt): 49 58 62 51 36 30 31 30 49 43 37 50 48 52 45 100mb GPH (m): 16253 16261 16289 16283 16262 16262 16275 16287 16277 16299 16325 16346 16341 16359 16380 100mb Temp (C): -53.9 -55.0 -56.7 -56.8 -57.0 -56.4 -55.2 -55.7 -56.3 -57.1 -58.3 -59.4 -60.1 -61.0 -62.4 100mb Dewpt(C): -88.3 -89.1 -90.3 -90.4 -90.5 -85.7 -89.3 -89.6 -90.1 -90.6 -87.2 -91.6 -88.3 -89.2 -90.3 100mb RH (%): 1 1 1 1 1 2 1 1 1 1 2 1 2 2 2 100mb Dir: 318 339 324 313 298 287 301 310 321 322 334 330 333 339 321 100mb Speed(kt): 30 24 22 26 16 20 19 18 18 19 21 21 24 20 19