Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 30, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 999.2 1000.5 999.9 1002.2 1002.7 1002.7 999.4 998.8 997.1 995.2 992.5 992.2 991.1 991.0 989.8 Mean SLP (mb): 1024.2 1025.2 1024.3 1027.1 1027.9 1027.7 1023.7 1023.4 1021.9 1019.2 1016.0 1016.1 1015.3 1014.6 1013.2 2m agl Tmp (F): 44.6 55.0 59.8 50.3 42.7 49.4 63.2 53.0 45.7 67.0 76.5 66.1 57.4 74.3 78.1 2m agl Dewpt(F): 38.5 42.9 42.7 41.1 38.3 42.4 44.5 43.3 43.3 50.2 50.3 49.6 42.2 51.6 50.0 2m agl RH (%): 79 63 52 70 84 76 50 69 91 54 39 54 56 44 36 10m agl Dir: 213 283 308 302 285 284 317 314 67 12 339 29 68 123 273 10m agl Spd(kt): 2 6 9 7 4 4 9 4 3 3 6 3 4 1 6 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 0.00 0.00 0.00 Sfc CAPE (J/kg): 0.0 29.1 17.0 1.2 0.0 9.1 1.1 0.0 0.0 0.0 53.6 0.0 0.0 0.0 0.1 Sfc CINH (J/kg): -0.1 0.0 0.0 -10.9 0.0 0.0 0.0 0.0 0.0 0.0 -51.6 0.0 0.0 -0.4 -0.9 0-3km Hel(J/kg): -6.7 -21.4 12.4 29.6 3.0 8.3 38.3 82.0 30.2 31.7 61.6 67.4 72.1 70.1 59.4 Precip H20 (in): 0.46 0.46 0.41 0.40 0.41 0.35 0.41 0.40 0.41 0.40 0.50 0.47 0.40 0.44 0.52 Lifted Index(C): 11.4 9.4 7.4 9.9 10.3 10.8 4.5 6.4 5.0 2.7 0.0 2.2 7.9 5.2 3.5 700mb VV(-ub/s): -0.4 -0.5 -1.6 -3.0 -0.5 -1.1 -1.4 -1.4 -1.6 -2.9 -1.2 1.1 -0.1 0.2 -0.1 Thk1000-500mb(m)5456.1 5449.5 5468.6 5464.3 5456.1 5465.3 5493.9 5505.0 5515.3 5548.7 5589.6 5597.6 5593.9 5608.9 5631.7 Thk1000-850mb(m)1317.0 1325.2 1337.9 1326.4 1319.9 1323.3 1348.0 1346.6 1348.7 1368.5 1387.6 1386.6 1380.2 1383.7 1392.7 Thk850-700mb(m):1543.3 1540.2 1547.3 1554.4 1553.3 1557.7 1563.2 1571.9 1575.1 1576.8 1587.9 1592.6 1591.3 1591.8 1597.2 SWEAT Index: 50.5 58.1 44.0 31.9 47.6 40.8 31.3 20.5 37.9 41.3 34.2 29.6 26.8 30.6 75.0 Total Totals Idx 36.1 36.3 36.9 38.2 36.8 32.9 39.3 37.4 44.4 40.2 47.5 40.1 37.2 35.2 42.5 Frz Hgt(ft amsl) 4906 4927 6589 8403 8005 8199 8928 9774 9965 10342 11065 11243 10914 11261 12013 0WetBlbHgt(amsl) 4181 4476 4824 4822 4552 4299 5125 5403 6228 6182 6878 7455 7123 7198 6823 Equil Prs (mb): 999 790 794 1002 1003 1003 999 999 997 396 312 992 991 991 990 Equil Hgt(amsl): 26 6945 6847 26 26 26 26 26 26 24262 29746 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: 20.1 23.0 33.2 26.8 40.9 40.3 45.2 42.3 43.9 50.7 53.4 51.6 50.9 53.6 57.9 Showalter Index: 11.5 11.6 10.9 10.1 10.7 11.5 8.8 8.7 5.1 7.1 2.5 6.4 7.9 9.0 4.5 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 0.4 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 317 304 320 338 335 353 0 59 85 97 63 256 291 296 275 Storm Spd (kts): 9 10 10 8 9 7 6 6 7 7 4 6 7 8 9 2m HeatIndex(F): 45 55 60 50 43 49 63 53 46 67 76 66 57 74 78 2m WindChill(F): 45 55 60 50 43 49 63 53 46 67 76 66 57 74 78 1000mb GPH (m): 197 208 203 222 226 226 199 194 179 163 138 137 128 126 115 950mb GPH (m): 617 633 632 645 644 646 631 622 604 598 583 579 566 568 561 950mb Temp (C): 5.0 6.7 9.7 6.8 4.0 4.0 11.7 10.1 9.9 14.9 19.9 19.7 18.7 18.5 21.0 950mb Dewpt(C): 3.2 4.0 3.9 4.0 3.1 3.5 4.7 5.1 3.2 5.0 7.5 7.4 1.7 7.8 7.3 950mb RH (%): 89 83 67 83 94 97 61 71 63 51 43 44 31 49 40 950mb Dir: 308 290 311 319 331 300 323 351 40 30 340 52 107 105 273 950mb Speed(kt): 9 7 13 16 11 5 12 16 4 4 7 8 9 2 6 900mb GPH (m): 1055 1074 1078 1087 1084 1085 1080 1070 1054 1055 1045 1041 1026 1028 1025 900mb Temp (C): 1.3 2.5 5.3 3.4 3.0 3.8 7.3 8.3 10.2 13.4 15.5 16.6 15.9 15.6 16.7 900mb Dewpt(C): 0.3 2.0 2.9 1.3 1.1 -1.2 3.8 1.4 0.3 -1.0 6.3 2.8 -0.8 1.3 5.7 900mb RH (%): 93 97 84 86 87 70 78 61 50 36 53 39 31 37 47 900mb Dir: 328 300 314 347 347 360 329 25 76 92 355 78 147 104 270 900mb Speed(kt): 14 8 13 13 14 14 13 13 7 14 7 8 6 4 6 850mb GPH (m): 1514 1533 1541 1549 1546 1550 1547 1541 1528 1531 1526 1524 1508 1509 1508 850mb Temp (C): -0.1 -0.2 1.2 1.7 2.0 4.0 4.8 7.2 9.3 9.3 11.6 13.2 12.7 12.2 12.2 850mb Dewpt(C): -1.7 -2.7 -3.3 -3.4 -5.0 -11.9 -6.3 -9.7 -4.8 -5.7 1.2 -5.1 -3.1 -2.3 3.8 850mb RH (%): 89 83 72 69 59 30 44 29 36 34 48 27 33 36 56 850mb Dir: 319 334 328 323 342 360 354 52 91 92 47 96 180 175 243 850mb Speed(kt): 15 18 13 9 18 16 12 6 13 17 8 10 4 3 5 800mb GPH (m): 1998 2017 2027 2036 2034 2040 2040 2037 2026 2030 2029 2028 2012 2013 2012 800mb Temp (C): -1.1 -1.5 0.0 1.6 1.6 2.7 3.7 5.2 5.7 5.9 8.1 8.7 7.9 8.0 9.4 800mb Dewpt(C): -12.9 -14.1 -19.0 -28.1 -29.6 -28.7 -25.0 -18.8 -11.8 -12.8 -10.4 -3.0 -6.3 -5.9 -15.2 800mb RH (%): 40 38 23 9 8 8 10 16 27 25 26 43 36 36 16 800mb Dir: 320 330 327 314 338 355 23 67 91 88 100 148 195 212 219 800mb Speed(kt): 16 19 12 9 17 12 6 8 14 15 11 6 6 7 9 750mb GPH (m): 2512 2529 2542 2554 2551 2559 2560 2560 2550 2554 2556 2557 2540 2542 2543 750mb Temp (C): -2.4 -2.5 -1.3 0.0 -0.4 -0.3 0.7 2.1 2.2 3.0 4.6 5.1 5.3 5.6 6.9 750mb Dewpt(C): -26.3 -32.8 -35.2 -32.5 -25.6 -20.4 -21.8 -19.7 -23.8 -27.5 -29.9 -29.6 -32.1 -32.5 -35.2 750mb RH (%): 14 8 6 7 13 21 17 18 13 9 6 6 5 5 3 750mb Dir: 310 316 321 326 320 347 21 76 89 79 121 207 232 224 228 750mb Speed(kt): 14 15 12 8 13 7 6 8 9 8 9 7 7 11 14 700mb GPH (m): 3057 3074 3088 3103 3099 3107 3110 3113 3103 3108 3114 3116 3100 3101 3105 700mb Temp (C): -3.6 -4.4 -3.8 -2.9 -3.2 -2.5 -1.8 -0.7 -0.3 0.2 1.5 2.3 2.0 2.0 3.3 700mb Dewpt(C): -41.4 -51.9 -41.4 -26.2 -15.6 -34.2 -29.8 -28.8 -28.9 -34.0 -34.9 -37.7 -31.0 -32.7 -38.5 700mb RH (%): 4 1 4 15 38 7 10 10 10 6 5 4 7 6 3 700mb Dir: 304 286 300 317 296 320 352 47 40 53 120 232 260 240 236 700mb Speed(kt): 10 13 12 8 9 7 5 5 8 9 4 6 10 11 14 650mb GPH (m): 3640 3655 3670 3687 3682 3692 3696 3700 3691 3698 3707 3709 3691 3694 3700 650mb Temp (C): -5.1 -6.1 -6.4 -5.6 -5.9 -4.8 -5.2 -4.7 -4.1 -3.0 -2.0 -2.1 -3.2 -1.6 -0.2 650mb Dewpt(C): -38.0 -33.5 -26.4 -22.9 -24.7 -32.6 -25.6 -25.5 -24.2 -35.4 -37.2 -36.9 -31.9 -34.1 -33.2 650mb RH (%): 6 10 19 25 21 10 19 18 20 6 5 5 9 7 6 650mb Dir: 275 257 275 300 269 310 316 29 20 40 317 254 259 272 240 650mb Speed(kt): 7 13 14 10 10 8 6 6 11 11 2 6 9 12 15 600mb GPH (m): 4266 4277 4291 4308 4303 4315 4318 4322 4315 4325 4335 4338 4319 4325 4335 600mb Temp (C): -7.5 -9.0 -9.7 -9.7 -9.9 -9.7 -10.1 -9.8 -9.4 -8.0 -7.0 -6.6 -6.2 -5.1 -4.3 600mb Dewpt(C): -32.9 -18.6 -27.3 -25.4 -28.9 -40.2 -35.5 -34.5 -26.2 -40.6 -39.1 -42.6 -45.1 -36.9 -22.7 600mb RH (%): 11 46 23 27 20 7 11 12 25 6 6 4 3 7 23 600mb Dir: 259 230 262 288 259 303 294 65 32 55 240 241 270 285 246 600mb Speed(kt): 11 15 16 13 12 7 4 5 11 10 2 10 13 18 19 550mb GPH (m): 4935 4943 4957 4973 4968 4980 4981 4986 4981 4994 5007 5011 4994 5003 5015 550mb Temp (C): -12.9 -13.9 -14.4 -14.3 -14.4 -15.2 -15.1 -14.9 -14.3 -12.9 -11.8 -11.0 -10.0 -9.0 -8.4 550mb Dewpt(C): -27.3 -23.0 -43.1 -33.3 -39.8 -34.4 -33.6 -35.0 -36.6 -44.7 -40.2 -39.9 -49.2 -43.1 -26.1 550mb RH (%): 29 47 7 19 10 18 20 17 14 5 8 8 3 5 23 550mb Dir: 243 217 254 284 253 273 289 51 32 45 288 249 287 285 249 550mb Speed(kt): 16 18 18 13 11 9 5 6 11 9 3 10 16 22 21 500mb GPH (m): 5653 5658 5672 5687 5682 5692 5693 5699 5695 5712 5728 5735 5722 5734 5747 500mb Temp (C): -18.9 -19.6 -19.4 -19.9 -19.9 -20.4 -20.4 -19.9 -20.0 -18.3 -17.3 -16.0 -13.8 -12.7 -13.3 500mb Dewpt(C): -25.7 -31.0 -41.5 -51.5 -47.4 -34.7 -46.7 -49.8 -42.2 -37.0 -33.8 -46.0 -46.6 -50.0 -32.1 500mb RH (%): 56 37 13 5 7 28 8 6 13 19 23 6 5 3 20 500mb Dir: 239 211 241 281 245 260 293 9 31 45 277 288 301 287 248 500mb Speed(kt): 21 21 18 14 12 10 7 8 12 8 4 10 19 25 20 450mb GPH (m): 6428 6430 6444 6458 6453 6461 6463 6470 6466 6487 6507 6519 6515 6529 6540 450mb Temp (C): -24.9 -25.8 -25.7 -26.3 -26.4 -26.6 -26.9 -26.2 -25.7 -25.0 -23.4 -21.5 -19.0 -18.5 -18.7 450mb Dewpt(C): -28.6 -35.4 -38.9 -51.0 -38.0 -48.7 -48.7 -48.2 -51.2 -38.3 -43.2 -40.0 -28.4 -47.2 -37.3 450mb RH (%): 72 41 29 9 34 12 12 12 8 29 15 18 44 7 19 450mb Dir: 227 211 228 276 249 259 304 356 13 49 305 318 308 282 253 450mb Speed(kt): 25 24 20 16 17 10 8 14 15 10 3 14 25 22 19 400mb GPH (m): 7271 7272 7286 7298 7292 7297 7299 7310 7307 7331 7357 7376 7380 7395 7406 400mb Temp (C): -32.0 -31.9 -32.2 -32.3 -33.1 -34.4 -33.6 -32.6 -32.2 -31.6 -30.0 -26.7 -25.2 -24.8 -25.0 400mb Dewpt(C): -35.5 -40.4 -40.2 -53.7 -44.9 -46.5 -54.0 -56.0 -55.7 -47.4 -47.4 -29.8 -30.8 -46.9 -40.7 400mb RH (%): 72 44 46 11 31 30 12 9 9 21 18 76 60 12 23 400mb Dir: 216 211 213 269 250 242 321 344 354 35 342 335 315 281 255 400mb Speed(kt): 28 26 22 17 22 12 11 24 21 12 5 21 31 16 19 350mb GPH (m): 8199 8199 8212 8223 8213 8213 8221 8237 8236 8260 8291 8327 8333 8352 8363 350mb Temp (C): -39.2 -39.5 -39.7 -40.0 -41.4 -42.1 -40.5 -38.9 -38.2 -38.8 -37.5 -33.3 -33.0 -31.9 -31.2 350mb Dewpt(C): -44.4 -46.7 -46.5 -51.6 -54.0 -59.3 -60.3 -59.2 -55.9 -55.3 -55.9 -36.7 -36.8 -38.1 -49.6 350mb RH (%): 59 48 50 30 26 15 11 11 15 17 14 72 70 55 16 350mb Dir: 208 206 202 262 241 227 330 339 337 15 356 348 314 294 257 350mb Speed(kt): 32 30 24 18 23 18 18 39 35 15 9 21 27 16 17 300mb GPH (m): 9236 9235 9246 9256 9240 9240 9258 9279 9281 9303 9338 9388 9397 9419 9437 300mb Temp (C): -47.2 -48.0 -48.1 -48.2 -49.5 -48.3 -46.0 -45.5 -44.8 -45.5 -44.7 -43.1 -42.0 -41.8 -39.6 300mb Dewpt(C): -53.2 -54.8 -56.0 -59.6 -61.5 -67.0 -64.4 -63.6 -64.7 -63.1 -65.2 -47.1 -45.6 -49.2 -47.1 300mb RH (%): 52 48 42 27 25 11 12 13 10 14 10 66 69 46 46 300mb Dir: 203 200 190 248 227 234 328 336 332 346 30 6 319 304 272 300mb Speed(kt): 33 31 28 19 20 16 27 48 47 21 15 19 24 15 25 250mb GPH (m): 10419 10415 10431 10438 10420 10431 10459 10478 10482 10503 10541 10589 10602 10625 10656 250mb Temp (C): -54.9 -54.1 -52.8 -52.8 -52.0 -50.1 -49.2 -49.7 -50.2 -49.8 -50.0 -52.4 -52.8 -51.8 -50.2 250mb Dewpt(C): -62.3 -64.7 -67.1 -67.8 -70.8 -78.5 -70.6 -71.1 -70.9 -69.5 -71.8 -58.2 -56.3 -62.7 -53.6 250mb RH (%): 42 28 18 17 10 3 8 8 8 10 7 52 67 28 68 250mb Dir: 191 192 198 218 214 243 319 336 332 340 21 28 311 301 269 250mb Speed(kt): 32 33 26 20 23 8 21 35 40 25 15 14 24 22 32 200mb GPH (m): 11843 11849 11870 11877 11869 11887 11916 11934 11934 11952 11987 12016 12019 12046 12077 200mb Temp (C): -52.1 -52.3 -52.5 -52.8 -51.4 -51.0 -50.5 -50.8 -51.4 -52.1 -52.4 -55.2 -56.2 -57.3 -58.8 200mb Dewpt(C): -72.3 -78.1 -77.0 -78.2 -77.4 -75.4 -78.8 -81.7 -77.7 -75.9 -77.5 -72.9 -71.8 -71.7 -63.2 200mb RH (%): 9 4 5 4 4 5 3 2 4 5 4 11 15 17 59 200mb Dir: 202 199 201 208 204 223 321 319 342 329 348 354 308 298 278 200mb Speed(kt): 31 32 26 25 19 14 5 14 16 15 14 15 24 28 31 150mb GPH (m): 13720 13717 13733 13744 13741 13761 13790 13806 13800 13817 13847 13866 13860 13876 13896 150mb Temp (C): -50.1 -50.4 -51.1 -50.7 -50.9 -50.6 -50.8 -50.6 -51.2 -51.3 -51.6 -52.1 -53.2 -54.4 -54.5 150mb Dewpt(C): -81.4 -86.2 -86.3 -86.0 -86.2 -86.0 -86.2 -86.0 -86.5 -86.5 -86.7 -87.1 -87.9 -87.9 -88.4 150mb RH (%): 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 150mb Dir: 189 201 200 209 206 206 221 192 267 243 295 285 289 285 269 150mb Speed(kt): 31 28 30 23 19 12 11 7 5 3 5 5 11 12 19 100mb GPH (m): 16349 16353 16361 16378 16370 16395 16419 16433 16424 16444 16467 16485 16471 16479 16499 100mb Temp (C): -52.2 -52.2 -52.3 -51.6 -52.0 -51.8 -52.0 -51.9 -52.5 -51.8 -52.6 -52.5 -53.0 -53.6 -53.5 100mb Dewpt(C): -87.1 -87.1 -87.2 -87.5 -87.0 -82.4 -97.7 -86.8 -82.8 -82.3 -87.4 -87.3 -87.7 -88.1 -88.1 100mb RH (%): 1 1 1 1 1 2 0 1 2 2 1 1 1 1 1 100mb Dir: 194 178 199 195 195 188 188 182 178 174 189 199 232 212 240 100mb Speed(kt): 23 21 25 23 18 18 12 13 9 10 9 7 8 8 13