Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z MAY 17, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 998.8 998.1 998.6 1000.2 998.8 999.4 999.0 1000.4 998.9 1000.2 1000.9 1001.7 1000.1 999.9 999.6 Mean SLP (mb): 1023.5 1023.0 1023.7 1025.2 1023.2 1024.2 1023.9 1025.2 1023.1 1024.9 1025.8 1026.5 1024.6 1024.7 1024.6 2m agl Tmp (F): 51.2 46.1 43.0 48.5 60.1 50.7 45.7 51.0 63.7 50.3 47.5 50.2 59.2 50.4 45.3 2m agl Dewpt(F): 47.1 44.4 41.5 42.3 44.2 43.5 43.2 45.7 44.5 42.5 45.6 47.1 49.0 43.6 43.5 2m agl RH (%): 85 94 94 79 55 76 91 82 49 74 93 89 68 77 93 10m agl Dir: 271 275 301 295 316 298 267 291 304 302 256 239 298 306 283 10m agl Spd(kt): 6 6 6 4 8 4 2 3 8 4 2 3 6 5 4 6hr Precip (in): 0.00 0.21 0.02 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 0.21 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 Sfc CAPE (J/kg): 243.5 190.5 24.8 21.4 7.5 0.0 0.0 7.9 0.0 0.0 10.0 11.8 35.5 0.0 8.4 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 52.9 56.4 126.6 104.9 44.0 52.0 31.7 46.6 14.7 57.4 67.5 76.7 70.8 50.4 55.9 Precip H20 (in): 0.62 0.55 0.41 0.44 0.48 0.45 0.50 0.55 0.52 0.53 0.69 0.73 0.66 0.74 0.66 Lifted Index(C): 3.3 2.7 3.1 4.8 2.1 4.7 5.2 6.5 4.7 8.6 7.5 8.5 8.9 12.1 15.1 700mb VV(-ub/s): 10.6 2.9 -1.1 -2.2 -3.3 0.2 0.7 -0.8 -2.3 -1.4 -0.3 -0.3 -2.1 0.0 0.6 Thk1000-500mb(m)5351.0 5321.0 5334.8 5387.2 5437.6 5447.9 5433.3 5438.7 5479.2 5489.2 5479.9 5492.6 5525.8 5529.1 5512.2 Thk1000-850mb(m)1321.6 1316.2 1309.9 1315.5 1340.4 1337.2 1331.4 1331.2 1350.6 1340.8 1331.4 1331.1 1340.0 1335.2 1325.7 Thk850-700mb(m):1522.6 1518.6 1524.1 1540.2 1552.0 1558.0 1554.6 1551.3 1557.2 1558.9 1560.2 1562.3 1568.7 1573.2 1567.4 SWEAT Index: 110.8 101.9 148.5 63.0 41.5 32.9 52.0 54.4 49.2 54.7 62.6 85.5 65.7 63.4 71.6 Total Totals Idx 48.1 50.5 53.2 48.0 48.9 43.4 43.7 42.9 40.0 26.7 40.0 38.8 24.4 24.9 23.0 Frz Hgt(ft amsl) 4638 4183 3623 5614 7579 8373 7773 7466 8061 8147 8296 8782 9890 10217 9446 0WetBlbHgt(amsl) 4236 3840 3215 3774 5314 5421 5150 5715 5484 4615 6752 6462 4790 4848 4766 Equil Prs (mb): 515 531 883 1000 498 999 999 1000 641 1000 1001 1002 844 1000 1000 Equil Hgt(amsl): 17467 16670 3936 26 18584 26 26 26 12449 26 26 26 5271 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: 33.5 28.5 20.8 21.1 38.4 33.5 35.0 34.6 45.2 40.2 36.5 8.3 29.8 48.2 47.0 Showalter Index: 5.7 4.9 3.5 5.6 4.4 6.7 6.6 6.9 8.2 13.4 8.1 8.4 15.9 15.1 16.7 Cap Strength(C): -3.0 -1.1 2.6 -999.9 1.0 -999.9 -999.9 1.9 1.1 -999.9 3.3 0.0 0.0 -999.9 5.9 Storm Dir (deg): 320 337 37 47 39 14 351 6 5 359 359 358 355 346 2 Storm Spd (kts): 19 16 16 13 9 7 8 9 10 11 13 15 14 12 13 2m HeatIndex(F): 51 46 43 49 60 51 46 51 64 50 47 50 59 50 45 2m WindChill(F): 51 46 43 49 60 51 46 51 64 50 47 50 59 50 45 1000mb GPH (m): 194 188 192 206 194 199 195 207 195 205 211 217 205 203 200 950mb GPH (m): 616 608 610 626 624 625 616 629 628 630 632 640 635 628 620 950mb Temp (C): 5.6 4.6 2.7 3.9 10.2 8.5 7.0 5.6 12.2 8.7 4.9 5.7 9.7 7.1 3.6 950mb Dewpt(C): 5.2 4.0 2.5 3.4 4.6 5.9 5.1 4.2 4.6 5.3 4.7 5.4 7.5 5.0 3.3 950mb RH (%): 97 96 98 97 68 83 87 90 59 79 98 98 86 86 98 950mb Dir: 277 297 326 301 321 335 331 307 308 335 318 298 303 322 329 950mb Speed(kt): 10 14 14 5 11 14 7 5 11 14 6 4 8 12 7 900mb GPH (m): 1056 1046 1045 1063 1070 1070 1060 1072 1077 1077 1075 1082 1080 1071 1060 900mb Temp (C): 2.2 1.4 0.2 1.0 5.7 5.9 5.4 6.0 7.6 8.0 6.4 5.1 5.4 5.7 4.5 900mb Dewpt(C): 0.6 0.1 -1.1 -0.1 3.7 3.9 2.4 -1.4 3.5 -3.6 -0.3 4.8 5.2 0.1 -2.0 900mb RH (%): 89 91 91 92 87 87 81 58 75 43 62 98 99 67 63 900mb Dir: 288 329 353 350 326 0 334 325 311 354 322 335 311 310 325 900mb Speed(kt): 19 17 17 11 11 13 10 11 11 8 11 18 10 7 8 850mb GPH (m): 1515 1504 1502 1521 1534 1536 1526 1538 1545 1546 1542 1549 1545 1538 1526 850mb Temp (C): -0.6 -1.4 -1.1 0.5 2.4 4.5 4.5 4.0 5.6 5.8 4.6 4.3 4.4 6.0 5.1 850mb Dewpt(C): -2.1 -2.8 -5.0 -5.0 -1.8 -4.0 -5.2 -1.8 -5.6 -15.2 -1.2 1.2 -10.5 -11.1 -8.2 850mb RH (%): 90 90 75 67 74 54 49 65 44 20 66 80 33 28 37 850mb Dir: 291 333 351 10 349 1 340 338 339 325 328 319 328 318 337 850mb Speed(kt): 22 19 18 18 13 6 15 13 11 11 14 13 16 17 16 800mb GPH (m): 1997 1984 1983 2007 2024 2028 2018 2029 2038 2038 2034 2041 2039 2032 2019 800mb Temp (C): -3.8 -4.5 -3.5 -0.7 1.6 2.7 2.1 1.4 2.7 2.5 2.6 2.9 4.3 4.0 3.3 800mb Dewpt(C): -5.4 -5.9 -9.9 -7.8 -9.2 -11.4 -10.3 -6.6 -9.6 -13.1 -2.7 -4.8 -16.3 -3.9 -5.1 800mb RH (%): 89 90 61 59 45 35 39 55 40 31 68 57 21 56 54 800mb Dir: 283 333 1 17 18 345 339 346 335 310 332 306 322 316 339 800mb Speed(kt): 22 19 20 18 9 5 12 12 9 10 16 13 16 16 17 750mb GPH (m): 2503 2489 2490 2519 2540 2547 2535 2545 2556 2556 2554 2561 2561 2556 2540 750mb Temp (C): -6.9 -7.8 -6.4 -3.2 -1.3 0.0 -1.0 -1.6 -0.6 -0.4 -0.1 0.6 1.4 3.2 2.0 750mb Dewpt(C): -7.9 -9.0 -16.8 -11.6 -15.6 -25.3 -18.0 -19.0 -20.3 -11.7 -6.5 -13.7 -2.6 -9.0 -13.3 750mb RH (%): 93 91 44 52 33 13 26 25 21 42 62 34 74 40 31 750mb Dir: 275 324 14 18 28 355 326 345 336 303 333 311 320 312 340 750mb Speed(kt): 22 21 22 18 9 7 9 13 8 9 17 15 18 16 15 700mb GPH (m): 3038 3022 3026 3061 3086 3094 3081 3090 3103 3105 3103 3111 3114 3112 3093 700mb Temp (C): -10.7 -11.0 -9.5 -6.5 -4.5 -3.8 -4.6 -5.5 -4.5 -2.9 -3.0 -2.1 -0.3 0.0 -1.2 700mb Dewpt(C): -12.0 -11.9 -23.7 -22.0 -22.2 -33.6 -23.3 -22.5 -22.3 -8.8 -12.4 -16.7 -15.3 -7.5 -8.1 700mb RH (%): 90 93 31 28 24 8 22 25 24 64 48 32 31 57 59 700mb Dir: 272 308 22 19 42 344 316 338 335 323 331 324 328 314 334 700mb Speed(kt): 21 24 23 19 11 7 9 12 6 12 17 19 21 16 14 650mb GPH (m): 3603 3587 3594 3635 3665 3674 3659 3665 3681 3689 3685 3696 3703 3702 3681 650mb Temp (C): -14.6 -15.4 -13.7 -10.4 -8.8 -8.6 -9.1 -10.0 -8.3 -6.2 -6.1 -5.4 -3.2 -3.0 -4.2 650mb Dewpt(C): -16.3 -16.3 -28.4 -33.1 -34.6 -34.3 -29.1 -24.1 -18.3 -15.2 -17.7 -8.9 -21.2 -8.6 -8.0 650mb RH (%): 87 93 28 14 11 11 18 31 45 49 39 77 24 65 75 650mb Dir: 277 293 22 24 42 340 304 328 343 333 331 325 331 312 327 650mb Speed(kt): 21 24 24 22 11 8 10 10 9 15 18 22 26 16 18 600mb GPH (m): 4204 4184 4196 4246 4277 4287 4271 4276 4298 4310 4306 4320 4332 4331 4308 600mb Temp (C): -18.4 -20.5 -18.2 -14.9 -13.8 -13.2 -13.9 -14.3 -11.0 -9.7 -10.2 -8.3 -6.8 -6.7 -6.9 600mb Dewpt(C): -19.9 -22.1 -31.8 -36.4 -39.2 -40.1 -35.2 -16.2 -19.7 -21.8 -15.8 -15.4 -18.2 -11.3 -11.3 600mb RH (%): 88 87 30 15 10 9 15 86 49 37 64 57 40 70 71 600mb Dir: 286 284 18 27 30 344 296 330 347 326 331 332 330 316 328 600mb Speed(kt): 24 21 26 25 14 8 12 10 19 16 25 31 28 20 27 550mb GPH (m): 4849 4821 4839 4897 4931 4942 4924 4934 4962 4976 4973 4989 5005 5006 4982 550mb Temp (C): -22.1 -25.1 -23.5 -20.2 -19.2 -18.4 -18.8 -15.9 -15.1 -13.3 -13.7 -12.9 -10.8 -10.7 -10.5 550mb Dewpt(C): -24.8 -29.6 -36.7 -36.5 -44.4 -45.9 -36.1 -19.8 -22.4 -25.2 -16.9 -21.7 -19.7 -13.3 -15.6 550mb RH (%): 79 67 30 23 10 8 21 73 54 37 77 48 48 81 66 550mb Dir: 297 288 14 26 29 346 301 342 345 334 332 335 329 315 332 550mb Speed(kt): 39 21 28 26 15 11 12 22 26 25 31 36 30 26 31 500mb GPH (m): 5545 5509 5527 5593 5631 5647 5628 5646 5674 5694 5691 5710 5731 5732 5712 500mb Temp (C): -25.4 -27.3 -29.6 -26.3 -24.2 -21.4 -22.2 -20.3 -20.0 -18.0 -18.3 -16.7 -15.2 -15.1 -13.1 500mb Dewpt(C): -32.2 -54.8 -41.2 -46.0 -50.9 -53.0 -25.1 -25.9 -29.3 -25.0 -23.2 -24.1 -28.3 -17.5 -20.0 500mb RH (%): 54 6 33 15 7 5 78 62 44 55 66 53 33 82 57 500mb Dir: 306 304 13 28 17 345 322 340 342 336 328 340 332 318 334 500mb Speed(kt): 68 35 30 27 16 21 22 29 28 32 35 45 34 30 40 450mb GPH (m): 6304 6263 6269 6345 6396 6422 6400 6417 6447 6472 6469 6492 6518 6522 6508 450mb Temp (C): -28.7 -29.7 -34.7 -31.0 -25.2 -22.8 -25.2 -25.6 -25.2 -24.2 -23.2 -22.1 -20.5 -19.4 -17.9 450mb Dewpt(C): -32.6 -55.5 -50.8 -56.0 -56.2 -49.6 -27.5 -30.6 -35.9 -30.3 -30.2 -28.7 -27.9 -21.9 -28.6 450mb RH (%): 69 7 19 8 4 7 81 63 37 58 54 56 52 81 39 450mb Dir: 303 310 2 12 359 340 324 337 339 333 333 338 338 323 339 450mb Speed(kt): 83 56 36 33 45 32 33 25 32 39 44 47 37 35 46 400mb GPH (m): 7137 7095 7088 7178 7253 7277 7244 7260 7290 7319 7321 7347 7378 7387 7378 400mb Temp (C): -33.9 -33.5 -35.8 -30.8 -25.0 -27.6 -31.5 -31.9 -31.7 -30.3 -28.9 -28.3 -26.5 -25.1 -23.7 400mb Dewpt(C): -38.9 -55.5 -60.5 -62.3 -47.4 -38.0 -34.6 -36.2 -44.3 -34.1 -33.3 -32.4 -31.4 -27.7 -39.8 400mb RH (%): 61 10 7 4 11 38 75 66 29 70 67 68 64 79 22 400mb Dir: 305 316 347 349 351 338 323 334 338 333 329 335 341 326 345 400mb Speed(kt): 89 73 63 71 74 35 30 23 35 49 52 52 44 45 53 350mb GPH (m): 8059 8021 8014 8126 8208 8222 8174 8187 8220 8256 8261 8289 8330 8343 8339 350mb Temp (C): -40.0 -38.5 -35.7 -31.6 -32.4 -34.1 -38.5 -39.3 -38.8 -36.6 -35.9 -36.0 -33.0 -31.7 -30.5 350mb Dewpt(C): -44.9 -56.0 -63.1 -55.9 -41.2 -37.5 -42.1 -43.7 -53.7 -41.9 -42.6 -39.6 -39.4 -35.0 -56.0 350mb RH (%): 61 16 5 8 42 72 70 64 21 60 52 70 54 73 7 350mb Dir: 309 320 340 349 339 327 322 336 336 341 337 340 342 330 346 350mb Speed(kt): 88 88 106 116 74 40 21 18 37 52 57 58 53 51 61 300mb GPH (m): 9093 9067 9078 9198 9278 9286 9215 9223 9262 9302 9312 9342 9392 9412 9413 300mb Temp (C): -47.0 -44.5 -40.2 -40.2 -39.5 -40.9 -47.1 -48.1 -45.6 -46.4 -45.1 -44.2 -42.6 -41.1 -40.0 300mb Dewpt(C): -55.2 -61.4 -65.1 -54.7 -49.5 -45.4 -50.8 -52.2 -56.4 -51.6 -51.6 -47.9 -49.6 -44.6 -53.6 300mb RH (%): 41 15 6 21 35 63 67 64 30 57 50 68 48 70 23 300mb Dir: 313 325 341 345 336 317 303 329 346 343 334 339 348 334 353 300mb Speed(kt): 89 92 123 127 87 48 12 9 60 54 65 61 62 60 64 250mb GPH (m): 10290 10274 10305 10414 10499 10502 10401 10403 10451 10484 10502 10535 10594 10623 10628 250mb Temp (C): -49.6 -48.1 -46.1 -49.8 -48.9 -49.2 -53.2 -54.1 -54.3 -55.9 -55.2 -54.5 -53.0 -51.3 -50.4 250mb Dewpt(C): -67.2 -70.2 -70.3 -58.4 -56.8 -57.1 -62.2 -60.8 -61.2 -61.9 -60.2 -58.5 -58.3 -55.3 -58.8 250mb RH (%): 13 7 6 38 41 41 35 45 45 49 55 63 55 64 38 250mb Dir: 316 326 339 342 330 305 291 321 342 337 344 347 351 340 358 250mb Speed(kt): 93 81 119 133 101 69 25 17 66 63 74 69 73 68 76 200mb GPH (m): 11752 11742 11768 11848 11930 11935 11837 11829 11863 11891 11895 11934 11994 12035 12047 200mb Temp (C): -47.8 -48.9 -50.1 -56.5 -58.6 -57.7 -52.4 -54.5 -58.1 -57.4 -60.2 -61.2 -63.0 -61.4 -61.0 200mb Dewpt(C): -83.1 -79.3 -83.1 -69.8 -66.6 -70.1 -77.6 -81.8 -72.2 -72.5 -69.0 -67.9 -66.7 -65.3 -64.9 200mb RH (%): 1 2 1 20 38 21 4 3 17 15 33 43 63 62 62 200mb Dir: 318 320 341 340 332 302 292 321 335 340 341 346 348 348 349 200mb Speed(kt): 58 69 82 123 106 79 43 34 50 42 60 63 70 76 89 150mb GPH (m): 13636 13622 13637 13681 13727 13740 13688 13672 13690 13706 13699 13729 13765 13802 13812 150mb Temp (C): -51.2 -50.5 -52.0 -55.2 -58.3 -58.4 -53.3 -53.9 -54.7 -55.5 -57.0 -58.1 -61.3 -61.3 -63.1 150mb Dewpt(C): -86.3 -86.0 -87.0 -84.8 -80.5 -79.0 -83.4 -88.9 -88.2 -84.9 -85.9 -84.0 -82.1 -81.0 -77.9 150mb RH (%): 1 1 1 2 5 7 2 1 1 2 2 3 6 7 14 150mb Dir: 299 319 326 341 339 315 295 302 312 322 329 336 344 351 348 150mb Speed(kt): 43 43 49 57 59 51 34 31 32 32 41 38 44 49 49 100mb GPH (m): 16254 16251 16247 16265 16287 16291 16265 16268 16281 16288 16272 16296 16313 16330 16326 100mb Temp (C): -53.2 -52.1 -53.8 -54.7 -56.8 -56.9 -57.5 -56.5 -55.9 -55.7 -55.9 -56.9 -57.6 -58.8 -59.3 100mb Dewpt(C): -87.9 -87.1 -88.3 -84.5 -90.4 -90.5 -90.9 -90.2 -89.8 -89.6 -89.8 -90.4 -90.9 -91.8 -92.3 100mb RH (%): 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 100mb Dir: 298 314 326 331 333 308 301 303 309 316 310 322 329 336 338 100mb Speed(kt): 26 22 25 20 26 18 24 23 20 13 17 18 18 23 24