Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 29, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 989.7 992.6 995.3 998.5 999.7 1001.9 1001.1 1003.1 1003.7 1003.3 1000.6 1000.1 998.0 996.4 993.7 Mean SLP (mb): 1014.0 1017.1 1019.7 1023.5 1024.8 1026.8 1025.7 1028.1 1029.0 1028.1 1024.9 1024.7 1022.8 1020.3 1017.2 2m agl Tmp (F): 52.7 52.2 56.8 46.5 45.4 51.2 58.5 47.6 40.7 54.4 62.7 53.0 46.3 70.1 77.5 2m agl Dewpt(F): 48.9 46.9 42.1 37.8 36.9 40.3 41.6 39.4 37.8 42.2 42.6 41.1 39.8 47.1 42.5 2m agl RH (%): 87 81 57 71 71 66 53 73 89 63 47 63 78 43 28 10m agl Dir: 304 287 296 296 289 286 306 305 286 295 322 328 48 60 56 10m agl Spd(kt): 4 7 10 5 3 5 9 5 2 5 9 4 3 6 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 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 Sfc CAPE (J/kg): 12.3 32.0 13.3 2.1 7.5 19.6 16.4 0.0 0.0 4.5 1.1 0.0 0.0 0.0 0.0 Sfc CINH (J/kg): -0.7 0.0 0.0 -1.0 -0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -0.5 0.0 0.0 0-3km Hel(J/kg): -13.8 -31.3 27.8 -19.2 -13.2 -4.5 11.2 53.0 10.7 12.4 26.4 56.1 40.0 36.3 45.2 Precip H20 (in): 0.93 0.84 0.37 0.33 0.35 0.42 0.41 0.36 0.37 0.37 0.37 0.33 0.36 0.32 0.30 Lifted Index(C): 9.1 9.9 11.4 14.8 14.6 10.8 7.4 9.9 12.0 10.0 7.3 8.9 8.4 5.9 5.8 700mb VV(-ub/s): 2.3 0.5 -0.9 -1.8 -1.2 -0.7 -1.4 -2.3 -2.0 -1.9 -1.8 -2.1 -2.2 -2.8 -1.8 Thk1000-500mb(m)5531.4 5501.5 5489.9 5458.0 5436.2 5428.0 5451.3 5446.3 5450.8 5464.6 5502.9 5518.2 5535.1 5566.0 5606.2 Thk1000-850mb(m)1339.0 1331.0 1332.4 1318.0 1311.8 1316.5 1333.7 1324.1 1318.5 1327.3 1346.2 1346.1 1351.9 1369.1 1388.6 Thk850-700mb(m):1569.2 1560.5 1548.7 1541.6 1540.1 1539.4 1544.9 1552.3 1551.5 1553.8 1562.5 1571.6 1575.2 1579.2 1590.2 SWEAT Index: 76.8 45.6 42.1 49.2 52.1 52.1 39.1 36.8 57.7 50.5 55.7 45.1 65.2 76.3 60.1 Total Totals Idx 37.2 34.1 23.8 20.0 26.7 35.5 38.7 35.1 25.5 20.7 30.9 27.0 37.7 28.2 30.8 Frz Hgt(ft amsl) 10129 8769 6734 6211 3264 4329 6912 7861 7604 7779 9346 10137 10425 10981 11469 0WetBlbHgt(amsl) 6234 8017 4235 3658 3160 3783 4709 4262 3892 3931 4790 4801 6136 5599 6289 Equil Prs (mb): 852 830 995 999 1000 834 1001 1003 1004 1003 1001 1000 998 996 994 Equil Hgt(amsl): 4700 5468 26 26 26 5540 26 26 26 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: 20.8 4.5 31.5 22.1 20.0 22.0 32.9 40.5 41.0 40.6 49.1 48.1 49.0 57.3 60.7 Showalter Index: 9.0 11.9 16.7 17.5 16.0 12.4 10.2 11.8 14.4 14.8 12.4 12.3 8.5 12.4 10.6 Cap Strength(C): 0.0 -999.9 -999.9 -999.9 2.6 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 345 319 306 311 305 305 321 325 338 339 357 23 41 60 42 Storm Spd (kts): 8 10 12 10 9 9 10 10 11 10 11 11 11 12 10 2m HeatIndex(F): 53 52 57 46 45 51 59 48 41 54 63 53 46 70 78 2m WindChill(F): 53 52 57 46 45 51 59 48 41 54 63 53 46 70 78 1000mb GPH (m): 117 142 164 192 202 219 214 229 234 231 209 204 187 173 149 950mb GPH (m): 544 568 592 613 621 641 642 652 652 655 641 633 613 611 594 950mb Temp (C): 8.9 7.1 8.5 4.8 3.5 4.7 8.8 5.9 4.6 6.0 11.3 9.9 10.8 15.6 20.5 950mb Dewpt(C): 8.6 6.9 3.7 2.5 1.3 2.9 3.2 3.0 2.7 3.8 3.6 3.6 2.0 5.2 1.9 950mb RH (%): 98 99 71 85 85 88 68 81 87 86 58 64 54 49 28 950mb Dir: 313 293 299 317 312 294 310 330 350 302 328 0 68 70 65 950mb Speed(kt): 13 11 14 11 8 6 12 16 10 6 13 16 7 10 10 900mb GPH (m): 990 1010 1035 1050 1056 1078 1085 1092 1090 1094 1088 1080 1064 1066 1056 900mb Temp (C): 6.0 4.2 4.0 1.0 -0.6 1.2 4.5 2.8 2.6 3.8 7.0 8.3 11.2 12.7 16.0 900mb Dewpt(C): 5.8 2.1 2.5 0.3 -0.7 -0.1 2.3 0.6 -1.5 -2.7 2.6 -1.8 -2.0 -4.1 0.4 900mb RH (%): 98 86 90 95 99 91 85 85 74 62 73 48 39 30 34 900mb Dir: 305 311 301 332 324 324 312 355 346 339 334 28 84 82 67 900mb Speed(kt): 13 18 14 11 11 10 13 12 13 8 14 12 12 19 12 850mb GPH (m): 1456 1473 1497 1510 1513 1536 1547 1554 1552 1559 1555 1551 1539 1542 1538 850mb Temp (C): 3.5 1.4 2.1 1.7 -0.1 -1.0 0.5 1.4 2.9 3.6 4.8 7.2 8.7 9.2 12.3 850mb Dewpt(C): 3.3 -0.6 -11.6 -16.8 -11.0 -5.1 -3.1 -7.3 -16.9 -22.4 -11.2 -17.2 -4.8 -12.3 -11.3 850mb RH (%): 99 86 35 24 44 74 77 52 22 13 30 16 38 20 18 850mb Dir: 289 296 315 318 322 333 329 305 336 356 357 45 87 88 77 850mb Speed(kt): 15 16 13 15 15 16 11 8 17 13 11 6 16 22 15 800mb GPH (m): 1948 1961 1984 1995 1997 2019 2033 2042 2042 2048 2047 2046 2036 2040 2041 800mb Temp (C): 3.5 1.4 0.3 -0.5 -1.3 -1.2 0.4 2.3 2.1 1.5 2.9 4.7 5.1 6.4 8.4 800mb Dewpt(C): -5.3 1.0 -20.2 -20.7 -21.2 -21.4 -26.0 -46.5 -27.7 -26.1 -22.7 -20.4 -11.9 -24.5 -21.6 800mb RH (%): 53 97 20 20 21 20 12 1 9 11 13 14 28 9 10 800mb Dir: 297 294 305 304 306 323 329 319 323 343 10 63 80 86 85 800mb Speed(kt): 15 19 15 13 13 12 9 9 17 12 6 8 15 18 16 750mb GPH (m): 2470 2481 2499 2508 2510 2532 2548 2559 2558 2564 2566 2568 2559 2565 2569 750mb Temp (C): 2.1 0.6 -1.7 -3.0 -2.7 -2.8 -2.3 -1.1 -1.8 -0.9 1.0 2.4 2.9 3.2 4.9 750mb Dewpt(C): 1.4 -0.8 -28.7 -30.5 -34.4 -31.7 -28.9 -28.8 -15.8 -24.3 -25.1 -33.2 -23.6 -25.0 -34.0 750mb RH (%): 95 90 11 10 7 9 11 10 34 15 12 5 12 11 4 750mb Dir: 305 273 297 305 295 308 317 311 317 336 350 32 54 66 88 750mb Speed(kt): 14 16 16 12 12 12 12 10 15 11 9 7 8 10 8 700mb GPH (m): 3025 3034 3045 3051 3054 3075 3092 3106 3103 3112 3118 3122 3114 3121 3128 700mb Temp (C): 0.2 -1.1 -2.9 -5.3 -4.6 -4.7 -4.3 -3.9 -4.8 -2.0 -1.0 -0.1 0.4 1.1 2.6 700mb Dewpt(C): -4.6 -6.5 -29.1 -31.8 -35.5 -37.4 -39.3 -27.3 -18.9 -28.3 -22.5 -31.3 -35.9 -38.8 -45.3 700mb RH (%): 70 67 12 11 7 6 5 15 32 12 18 8 5 3 2 700mb Dir: 322 272 271 309 283 283 297 296 301 325 330 357 359 29 4 700mb Speed(kt): 11 14 19 11 9 12 13 12 13 14 11 10 10 9 4 650mb GPH (m): 3617 3622 3630 3631 3633 3654 3672 3686 3683 3697 3704 3711 3704 3713 3722 650mb Temp (C): -2.0 -3.9 -4.3 -5.7 -6.8 -7.2 -7.6 -7.7 -6.9 -5.4 -4.9 -3.7 -3.1 -1.8 -1.6 650mb Dewpt(C): -9.9 -8.0 -32.5 -42.1 -38.5 -36.4 -28.0 -21.1 -35.8 -19.0 -22.0 -24.1 -31.3 -37.9 -37.1 650mb RH (%): 55 73 9 4 6 8 18 34 8 34 25 19 10 5 5 650mb Dir: 337 272 249 280 268 262 281 280 293 311 323 351 343 1 336 650mb Speed(kt): 8 11 22 14 8 13 14 14 14 15 14 13 15 11 9 600mb GPH (m): 4248 4249 4257 4257 4254 4273 4290 4303 4305 4320 4328 4336 4331 4342 4352 600mb Temp (C): -6.1 -7.5 -6.5 -7.0 -9.3 -10.9 -11.3 -11.9 -8.9 -9.8 -9.2 -8.4 -7.4 -6.7 -6.2 600mb Dewpt(C): -12.4 -11.5 -38.1 -33.8 -33.6 -21.8 -28.2 -25.4 -39.4 -21.6 -41.8 -30.9 -38.7 -41.1 -41.4 600mb RH (%): 61 73 6 10 12 41 24 32 7 38 6 15 7 5 5 600mb Dir: 335 282 245 251 249 242 273 266 299 288 319 350 341 348 329 600mb Speed(kt): 12 11 21 20 13 15 16 17 18 18 20 18 18 16 15 550mb GPH (m): 4922 4921 4931 4929 4921 4936 4952 4964 4971 4983 4995 5005 5002 5015 5028 550mb Temp (C): -11.0 -11.9 -10.8 -11.7 -13.6 -15.3 -14.9 -15.5 -14.5 -15.2 -13.1 -12.9 -12.3 -11.2 -9.6 550mb Dewpt(C): -13.3 -17.8 -35.5 -30.4 -24.6 -20.5 -40.7 -38.7 -26.2 -32.9 -45.2 -44.4 -39.6 -39.1 -46.8 550mb RH (%): 83 62 12 20 40 65 10 13 37 21 5 6 9 8 3 550mb Dir: 334 289 253 239 233 231 262 268 290 278 318 337 337 336 323 550mb Speed(kt): 13 14 18 20 18 18 17 21 20 22 27 27 27 24 24 500mb GPH (m): 5648 5643 5654 5650 5638 5647 5665 5676 5684 5696 5712 5723 5722 5739 5755 500mb Temp (C): -15.2 -16.7 -16.7 -17.6 -18.9 -20.8 -20.7 -20.4 -19.8 -19.8 -18.7 -18.5 -16.9 -15.7 -14.9 500mb Dewpt(C): -17.1 -22.0 -36.7 -34.5 -29.4 -28.1 -32.1 -51.1 -45.4 -34.7 -46.7 -37.9 -42.0 -41.4 -45.7 500mb RH (%): 86 64 17 22 40 53 36 5 9 26 7 17 10 10 6 500mb Dir: 354 291 252 227 225 221 246 270 277 287 316 331 334 328 319 500mb Speed(kt): 7 14 16 20 22 20 18 21 24 24 34 34 34 31 31 450mb GPH (m): 6435 6427 6437 6429 6413 6417 6435 6444 6454 6468 6485 6500 6505 6523 6543 450mb Temp (C): -21.1 -22.0 -22.4 -23.0 -25.0 -26.6 -26.1 -27.0 -27.0 -25.7 -25.9 -23.0 -22.0 -21.7 -20.9 450mb Dewpt(C): -24.5 -25.8 -44.0 -43.2 -33.8 -32.4 -41.3 -56.7 -34.0 -45.3 -40.7 -42.9 -44.5 -51.2 -49.0 450mb RH (%): 75 71 13 15 45 59 24 5 53 15 25 15 12 6 7 450mb Dir: 99 281 255 221 213 221 231 269 265 296 318 326 329 326 319 450mb Speed(kt): 8 8 17 20 26 21 21 21 27 30 36 44 40 35 34 400mb GPH (m): 7293 7282 7290 7280 7256 7256 7275 7280 7292 7308 7328 7353 7358 7378 7399 400mb Temp (C): -27.3 -28.3 -28.9 -29.9 -31.6 -33.0 -33.1 -34.1 -33.3 -33.3 -31.5 -28.9 -29.1 -28.3 -28.6 400mb Dewpt(C): -30.8 -32.2 -51.9 -41.0 -35.7 -40.2 -40.5 -52.5 -36.6 -47.0 -46.9 -48.2 -48.0 -56.7 -49.4 400mb RH (%): 73 70 10 34 68 50 49 15 72 25 22 15 15 5 13 400mb Dir: 48 256 258 217 205 210 230 277 267 306 318 326 323 323 306 400mb Speed(kt): 7 6 18 22 29 24 24 22 25 35 46 52 43 38 34 350mb GPH (m): 8240 8223 8229 8216 8185 8179 8196 8199 8214 8228 8261 8291 8297 8318 8338 350mb Temp (C): -33.9 -35.6 -36.2 -37.3 -39.4 -40.1 -41.0 -41.4 -41.0 -41.5 -37.4 -37.1 -36.6 -36.3 -36.7 350mb Dewpt(C): -37.4 -39.8 -47.5 -43.4 -42.9 -53.3 -46.6 -59.6 -44.8 -55.2 -52.3 -48.9 -51.7 -54.0 -55.7 350mb RH (%): 71 67 32 54 70 25 56 14 68 23 21 30 21 16 13 350mb Dir: 6 282 253 209 202 197 227 279 270 308 323 319 317 315 305 350mb Speed(kt): 10 14 21 25 33 29 25 23 27 36 63 54 48 37 33 300mb GPH (m): 9301 9275 9277 9260 9224 9213 9227 9229 9242 9257 9306 9338 9349 9370 9386 300mb Temp (C): -42.6 -45.0 -45.4 -46.1 -46.9 -47.6 -47.9 -48.3 -49.4 -48.1 -46.1 -44.8 -43.9 -44.0 -45.0 300mb Dewpt(C): -46.5 -49.2 -51.6 -49.8 -51.0 -60.6 -59.0 -60.4 -56.4 -58.4 -59.3 -57.0 -56.0 -60.0 -63.6 300mb RH (%): 67 64 51 68 64 23 29 25 46 32 23 26 27 17 12 300mb Dir: 344 279 244 205 198 195 220 263 271 313 320 322 311 310 298 300mb Speed(kt): 14 18 22 27 35 31 27 21 25 41 71 58 56 40 33 250mb GPH (m): 10502 10470 10466 10450 10408 10398 10415 10416 10418 10444 10494 10534 10548 10569 10581 250mb Temp (C): -53.5 -53.3 -53.9 -53.7 -54.3 -52.9 -51.5 -51.3 -53.1 -51.9 -53.7 -53.1 -52.7 -52.6 -52.5 250mb Dewpt(C): -58.5 -58.0 -59.6 -62.8 -62.2 -67.0 -65.5 -67.5 -66.1 -67.5 -64.8 -63.7 -64.4 -65.3 -67.0 250mb RH (%): 56 58 52 34 39 18 19 15 21 16 27 29 25 22 18 250mb Dir: 25 265 238 206 191 197 222 228 260 306 321 324 310 298 305 250mb Speed(kt): 14 18 24 28 38 30 29 20 22 29 60 66 61 47 33 200mb GPH (m): 11929 11894 11891 11872 11832 11839 11861 11867 11865 11889 11925 11951 11962 11985 12007 200mb Temp (C): -52.2 -52.9 -54.6 -55.5 -53.8 -52.0 -51.6 -50.5 -50.6 -51.1 -52.5 -54.5 -58.5 -57.7 -55.5 200mb Dewpt(C): -80.6 -70.9 -73.1 -72.6 -74.2 -76.3 -77.4 -79.0 -78.8 -81.3 -79.3 -76.5 -72.9 -71.4 -70.8 200mb RH (%): 3 11 10 12 8 5 4 3 3 2 3 6 16 18 15 200mb Dir: 138 209 216 195 198 205 212 208 226 274 301 317 309 298 300 200mb Speed(kt): 24 10 19 30 37 29 28 22 20 14 26 32 38 27 24 150mb GPH (m): 13782 13758 13749 13733 13703 13712 13730 13744 13739 13757 13787 13805 13800 13823 13848 150mb Temp (C): -52.4 -51.4 -50.4 -49.6 -49.4 -49.7 -51.0 -50.8 -50.6 -51.5 -51.6 -52.4 -53.3 -53.2 -53.3 150mb Dewpt(C): -108.0 -86.3 -85.9 -85.3 -85.2 -85.4 -86.3 -86.2 -86.0 -86.7 -86.7 -87.2 -88.0 -87.9 -87.9 150mb RH (%): 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 150mb Dir: 185 193 193 199 201 200 203 210 214 228 240 270 278 279 263 150mb Speed(kt): 22 21 31 31 33 29 33 26 19 14 11 12 12 13 13 100mb GPH (m): 16372 16372 16371 16364 16339 16352 16365 16377 16369 16384 16409 16425 16413 16434 16457 100mb Temp (C): -55.4 -53.3 -52.8 -52.8 -52.0 -51.8 -52.0 -51.5 -52.0 -51.9 -52.6 -52.3 -52.8 -53.1 -53.1 100mb Dewpt(C): -89.4 -87.9 -87.6 -87.5 -87.0 -82.2 -82.4 -82.7 -82.5 -82.0 -82.9 -82.3 -87.5 -83.3 -83.3 100mb RH (%): 1 1 1 1 1 2 2 2 2 2 2 2 1 2 2 100mb Dir: 185 188 188 191 201 199 201 197 193 197 200 195 208 207 216 100mb Speed(kt): 25 25 23 26 23 24 25 21 19 16 15 12 12 9 9