Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z AUG 4, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 992.5 991.7 990.3 990.2 987.9 987.8 987.2 987.3 986.0 987.6 989.0 990.7 989.8 992.2 994.4 Mean SLP (mb): 1015.8 1015.3 1014.2 1013.4 1010.7 1011.1 1010.8 1010.4 1008.7 1010.9 1012.8 1014.1 1012.9 1016.0 1018.7 2m agl Tmp (F): 81.7 70.6 66.5 81.3 89.2 75.8 66.0 85.8 93.3 76.6 66.1 77.4 86.3 67.5 55.4 2m agl Dewpt(F): 52.8 51.0 41.2 46.5 46.8 53.2 44.0 51.8 52.0 60.4 57.7 61.9 59.2 55.4 50.5 2m agl RH (%): 35 49 39 28 22 44 44 30 23 56 74 58 38 64 83 10m agl Dir: 28 42 55 78 49 36 57 70 310 325 140 257 306 329 294 10m agl Spd(kt): 5 5 7 11 7 4 5 6 5 2 1 2 6 3 1 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 0.0 0.0 0.0 0.0 0.0 0.0 0.0 18.1 0.0 0.0 0.0 5.6 0.0 0.0 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 -0.1 0.0 0.0 -13.5 -0.1 -0.5 0.0 -52.8 0.0 -0.2 0-3km Hel(J/kg): 38.9 54.1 77.6 95.7 75.4 88.7 81.0 80.9 65.8 79.6 58.1 61.3 83.7 73.3 47.8 Precip H20 (in): 0.69 0.55 0.41 0.48 0.49 0.49 0.38 0.45 0.56 0.63 0.70 0.68 0.66 0.60 0.48 Lifted Index(C): 4.9 7.4 12.1 9.5 6.9 6.5 11.5 7.5 5.2 3.7 3.3 4.7 2.7 3.7 12.2 700mb VV(-ub/s): -2.1 -1.1 -2.0 -2.3 -1.5 -1.8 -0.9 -0.1 0.3 -0.4 0.5 -0.2 -0.1 -1.2 -1.0 Thk1000-500mb(m)5704.8 5712.8 5719.5 5734.8 5775.6 5781.9 5776.3 5787.8 5807.2 5795.8 5771.5 5767.4 5781.6 5756.2 5720.9 Thk1000-850mb(m)1401.9 1400.3 1396.1 1404.0 1422.3 1419.6 1414.3 1420.2 1433.4 1418.5 1403.5 1403.9 1417.2 1401.4 1380.6 Thk850-700mb(m):1619.0 1625.6 1628.7 1630.1 1639.9 1644.9 1645.7 1647.3 1649.2 1648.9 1642.9 1641.5 1643.6 1640.0 1635.4 SWEAT Index: 89.9 65.6 72.6 65.6 47.1 42.6 36.6 30.0 22.1 35.2 139.6 42.1 50.3 82.3 59.0 Total Totals Idx 37.2 32.9 21.6 29.1 27.3 26.4 26.8 26.2 30.2 28.0 37.0 28.1 23.9 34.3 23.5 Frz Hgt(ft amsl) 14470 14838 15111 15413 16142 16204 16090 16373 16783 16904 16813 16698 16630 16249 15425 0WetBlbHgt(amsl) 9917 9709 9327 9239 11209 11239 10491 10290 10362 10553 10393 10322 10461 10252 10107 Equil Prs (mb): 992 992 990 990 988 988 987 987 986 988 989 991 304 992 994 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 26 26 26 26 31407 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 0.33 0.34 0.00 0.00 Conv Wind Gust: 59.6 58.4 61.3 64.9 65.0 61.0 62.6 64.3 67.1 59.3 56.8 57.1 63.2 59.2 57.5 Showalter Index: 6.9 9.3 13.9 11.1 11.5 11.7 11.5 11.8 10.1 11.2 5.6 11.4 12.9 8.1 13.8 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 -999.9 -999.9 Storm Dir (deg): 45 60 55 52 359 345 306 274 288 282 276 267 270 273 291 Storm Spd (kts): 8 10 13 12 9 8 7 7 7 8 9 9 12 13 12 2m HeatIndex(F): 81 71 67 80 86 76 66 84 91 77 66 77 86 67 55 2m WindChill(F): 82 71 67 81 89 76 66 86 93 77 66 77 86 67 55 1000mb GPH (m): 138 132 120 117 95 97 92 91 78 95 109 122 114 137 156 950mb GPH (m): 587 577 563 566 551 547 539 543 537 544 552 568 567 580 590 950mb Temp (C): 22.8 22.4 21.6 22.3 27.3 26.4 26.0 25.6 29.9 25.2 22.0 20.4 25.5 22.4 16.5 950mb Dewpt(C): 8.4 4.4 2.9 5.1 5.7 6.9 1.5 6.7 9.1 13.9 12.3 13.4 13.2 3.9 5.3 950mb RH (%): 39 30 28 31 24 28 19 29 26 48 53 63 45 29 47 950mb Dir: 48 73 79 82 55 60 83 77 311 344 239 258 308 327 300 950mb Speed(kt): 7 15 25 19 10 11 14 9 5 7 2 1 6 7 5 900mb GPH (m): 1053 1044 1028 1032 1024 1021 1012 1016 1014 1018 1021 1035 1039 1048 1051 900mb Temp (C): 18.5 19.5 19.1 19.7 22.8 24.3 23.4 23.9 25.1 23.5 21.5 20.0 20.9 20.1 17.9 900mb Dewpt(C): 6.3 2.9 -5.1 -0.1 3.6 -2.5 -4.0 -2.2 7.3 5.1 5.3 10.3 11.2 11.6 -6.3 900mb RH (%): 44 32 18 26 27 16 15 17 31 29 34 53 53 57 18 900mb Dir: 61 82 88 94 56 81 106 108 323 242 264 239 310 246 276 900mb Speed(kt): 12 22 29 29 11 15 13 13 4 4 5 4 6 7 9 850mb GPH (m): 1539 1532 1516 1521 1517 1516 1507 1512 1511 1513 1513 1526 1531 1538 1537 850mb Temp (C): 14.9 16.4 17.6 17.8 19.7 21.0 21.0 21.4 21.5 21.2 18.1 18.9 19.9 17.8 16.7 850mb Dewpt(C): 2.6 -2.0 -12.1 -4.8 -7.4 -8.2 -7.6 -7.5 -3.0 -4.3 8.0 -2.7 -9.4 2.0 -7.8 850mb RH (%): 43 28 12 20 15 13 13 13 18 17 51 22 12 34 17 850mb Dir: 88 82 85 92 72 94 107 125 90 247 256 229 246 257 278 850mb Speed(kt): 18 22 22 17 11 11 8 6 1 8 11 9 9 13 12 800mb GPH (m): 2048 2044 2031 2036 2035 2035 2026 2032 2033 2034 2031 2044 2049 2055 2051 800mb Temp (C): 11.8 14.1 15.2 15.4 16.9 17.9 18.2 18.8 19.3 19.1 17.5 17.0 17.3 16.8 15.7 800mb Dewpt(C): -2.4 -10.4 -12.3 -12.2 -12.7 -17.6 -18.0 -18.6 -16.8 -11.7 -9.9 -7.6 -7.8 -21.1 -21.6 800mb RH (%): 36 17 14 13 12 7 7 6 7 11 14 17 17 6 6 800mb Dir: 91 87 70 62 72 90 123 171 229 241 258 232 237 253 274 800mb Speed(kt): 11 16 10 7 4 2 1 2 5 10 12 11 16 17 14 750mb GPH (m): 2586 2584 2572 2578 2580 2582 2574 2581 2582 2583 2577 2590 2596 2601 2595 750mb Temp (C): 10.3 11.4 11.8 12.4 14.2 15.1 15.1 15.0 15.3 14.9 14.2 14.2 14.7 14.6 14.3 750mb Dewpt(C): -6.7 -9.1 -13.8 -19.0 -26.0 -16.4 -11.2 -12.8 -11.4 -10.0 -10.7 -13.5 -16.9 -21.1 -22.9 750mb RH (%): 29 23 15 9 5 10 15 13 14 17 17 13 10 7 6 750mb Dir: 68 44 32 37 323 314 272 249 241 238 250 236 235 247 267 750mb Speed(kt): 8 6 8 6 3 5 4 4 9 13 16 15 20 19 18 700mb GPH (m): 3158 3157 3145 3151 3157 3161 3152 3159 3160 3162 3156 3168 3174 3178 3172 700mb Temp (C): 9.1 8.7 8.4 9.3 11.1 11.2 11.2 11.5 11.6 12.2 11.6 11.6 11.6 11.0 10.7 700mb Dewpt(C): -17.7 -19.4 -21.6 -27.9 -12.6 -8.7 -18.1 -22.4 -21.4 -21.8 -22.1 -22.8 -20.8 -21.7 -19.9 700mb RH (%): 13 12 10 5 17 23 11 7 8 8 8 7 9 8 10 700mb Dir: 10 352 352 352 307 301 269 249 247 238 247 235 234 242 268 700mb Speed(kt): 8 7 7 6 9 8 7 8 13 15 19 16 20 20 19 650mb GPH (m): 3766 3764 3752 3760 3770 3775 3766 3773 3775 3777 3771 3782 3788 3791 3785 650mb Temp (C): 4.6 4.4 5.4 5.7 7.2 8.3 8.3 8.6 8.6 9.0 8.8 8.2 8.2 7.7 7.2 650mb Dewpt(C): -23.7 -26.8 -37.1 -18.8 -14.1 -31.2 -32.0 -31.2 -34.2 -34.2 -32.1 -29.3 -29.1 -27.2 -25.4 650mb RH (%): 11 8 3 15 20 4 4 4 3 3 4 5 5 6 8 650mb Dir: 342 297 319 325 299 287 278 251 253 243 245 235 233 238 264 650mb Speed(kt): 6 7 11 12 13 12 10 10 13 12 18 16 20 22 20 600mb GPH (m): 4411 4410 4400 4409 4423 4430 4420 4428 4430 4433 4425 4436 4442 4444 4436 600mb Temp (C): 0.0 0.8 1.5 1.7 3.8 4.1 3.9 3.9 4.4 4.8 4.1 4.0 4.0 4.1 1.9 600mb Dewpt(C): -35.0 -38.2 -22.5 -16.7 -23.4 -29.6 -29.5 -27.5 -35.1 -29.4 -27.4 -30.6 -30.5 -34.8 -13.8 600mb RH (%): 5 4 15 24 12 7 7 8 4 6 8 6 6 4 30 600mb Dir: 317 294 303 316 298 285 274 258 253 253 243 238 233 236 253 600mb Speed(kt): 10 14 16 16 18 15 12 13 16 14 16 19 22 25 24 550mb GPH (m): 5101 5101 5094 5105 5122 5129 5119 5128 5132 5136 5127 5137 5143 5144 5129 550mb Temp (C): -4.7 -4.3 -3.5 -2.4 -1.5 -1.5 -1.7 -1.0 -0.1 0.1 0.0 -0.3 -0.5 -1.5 -3.1 550mb Dewpt(C): -32.9 -20.2 -20.0 -22.4 -27.6 -22.4 -27.1 -31.3 -29.3 -20.1 -40.4 -31.1 -25.5 -20.0 -20.7 550mb RH (%): 9 28 27 20 12 19 13 8 9 20 3 8 13 23 25 550mb Dir: 301 297 301 313 299 283 274 270 254 258 237 242 232 231 245 550mb Speed(kt): 16 18 23 25 23 18 15 14 18 16 17 22 24 29 30 500mb GPH (m): 5842 5844 5840 5852 5871 5878 5869 5879 5885 5890 5881 5890 5895 5893 5877 500mb Temp (C): -9.8 -9.3 -8.1 -8.0 -7.5 -6.8 -6.7 -6.2 -5.9 -5.6 -5.4 -5.9 -6.7 -7.3 -7.3 500mb Dewpt(C): -23.9 -23.2 -24.6 -23.9 -31.7 -37.0 -34.1 -24.0 -20.3 -27.0 -30.8 -26.1 -23.9 -26.1 -30.6 500mb RH (%): 31 32 26 27 13 7 10 23 31 17 12 19 24 21 14 500mb Dir: 295 296 301 308 298 280 276 275 258 254 240 239 233 228 249 500mb Speed(kt): 22 22 29 31 25 21 21 18 20 19 21 24 32 34 36 450mb GPH (m): 6648 6650 6648 6661 6682 6691 6682 6693 6700 6707 6697 6704 6708 6705 6689 450mb Temp (C): -14.9 -14.7 -14.2 -13.6 -12.7 -12.5 -12.9 -12.5 -11.9 -11.3 -12.1 -12.5 -12.4 -13.2 -13.4 450mb Dewpt(C): -25.3 -27.1 -34.4 -42.2 -40.2 -31.1 -24.4 -26.1 -28.5 -30.1 -24.1 -27.6 -31.4 -27.5 -23.9 450mb RH (%): 41 35 17 7 9 20 38 32 24 20 36 28 19 30 41 450mb Dir: 294 292 295 302 293 280 277 274 266 258 240 234 235 229 245 450mb Speed(kt): 31 26 32 33 26 25 23 24 22 21 24 29 38 43 42 400mb GPH (m): 7527 7531 7530 7546 7569 7578 7568 7581 7590 7596 7585 7590 7596 7591 7576 400mb Temp (C): -21.4 -20.7 -20.3 -19.7 -19.0 -19.2 -18.9 -18.7 -18.6 -19.1 -18.9 -19.4 -19.3 -19.0 -18.6 400mb Dewpt(C): -31.3 -37.3 -41.8 -44.2 -40.5 -25.9 -40.2 -32.6 -30.3 -31.2 -33.0 -32.6 -30.0 -38.3 -38.1 400mb RH (%): 41 22 14 10 14 56 14 29 36 34 29 31 39 17 17 400mb Dir: 289 296 294 297 290 282 275 273 269 265 240 237 242 230 251 400mb Speed(kt): 34 31 36 37 29 28 29 29 27 26 29 33 39 45 42 350mb GPH (m): 8496 8503 8503 8521 8548 8557 8547 8560 8569 8575 8563 8568 8571 8567 8553 350mb Temp (C): -28.8 -27.9 -27.8 -26.8 -26.1 -25.5 -26.5 -26.5 -26.4 -25.5 -26.5 -26.6 -28.1 -27.1 -26.8 350mb Dewpt(C): -40.3 -49.7 -52.4 -41.7 -33.7 -39.4 -39.9 -37.4 -48.4 -42.8 -41.2 -42.9 -38.2 -41.5 -42.2 350mb RH (%): 33 12 8 24 50 27 28 36 12 19 25 21 39 25 23 350mb Dir: 288 296 293 292 286 282 274 267 276 261 244 237 242 231 251 350mb Speed(kt): 39 37 42 44 38 36 33 32 29 32 37 35 42 46 47 300mb GPH (m): 9579 9590 9592 9616 9646 9656 9641 9654 9665 9671 9657 9661 9662 9658 9646 300mb Temp (C): -37.8 -36.8 -35.9 -34.5 -33.6 -33.9 -34.5 -34.6 -34.3 -34.5 -35.0 -35.2 -35.0 -35.8 -34.6 300mb Dewpt(C): -53.1 -53.5 -50.0 -44.6 -40.0 -45.9 -44.6 -47.7 -56.4 -52.9 -53.1 -49.6 -52.8 -51.2 -55.7 300mb RH (%): 20 17 24 37 54 30 37 27 10 15 15 23 16 20 11 300mb Dir: 288 291 294 286 282 276 274 268 269 257 247 235 238 239 254 300mb Speed(kt): 44 43 54 52 47 42 39 35 32 36 43 47 43 48 51 250mb GPH (m): 10810 10827 10834 10864 10899 10906 10891 10905 10918 10925 10909 10911 10912 10901 10894 250mb Temp (C): -46.5 -45.0 -44.6 -44.3 -43.9 -43.9 -43.4 -42.4 -41.2 -41.4 -41.5 -42.2 -42.8 -44.2 -43.9 250mb Dewpt(C): -60.9 -61.3 -58.4 -50.0 -48.7 -51.0 -57.7 -65.4 -67.8 -66.3 -66.4 -64.6 -63.5 -57.9 -60.9 250mb RH (%): 20 16 22 55 60 47 21 7 5 6 6 8 10 22 15 250mb Dir: 284 289 293 285 281 279 277 272 272 258 247 239 235 240 253 250mb Speed(kt): 57 59 67 62 58 47 42 41 38 41 47 48 52 56 56 200mb GPH (m): 12267 12293 12299 12326 12363 12375 12364 12387 12408 12413 12395 12392 12391 12371 12357 200mb Temp (C): -52.0 -51.6 -51.6 -52.3 -52.0 -51.2 -50.6 -49.6 -49.1 -49.7 -50.2 -50.4 -49.9 -50.4 -52.4 200mb Dewpt(C): -68.9 -71.7 -70.5 -68.1 -69.6 -71.2 -72.3 -74.2 -75.4 -76.0 -73.5 -75.0 -75.8 -69.3 -71.1 200mb RH (%): 13 9 10 15 12 9 7 5 4 4 6 5 4 10 10 200mb Dir: 281 286 288 287 290 284 277 279 273 256 243 236 237 235 251 200mb Speed(kt): 81 78 72 72 59 48 48 45 42 36 37 45 56 66 59 150mb GPH (m): 14114 14134 14140 14161 14192 14208 14204 14222 14246 14247 14226 14225 14230 14217 14186 150mb Temp (C): -55.9 -57.1 -56.9 -57.9 -59.4 -59.6 -58.3 -59.5 -59.2 -60.3 -59.4 -58.7 -59.1 -58.5 -57.9 150mb Dewpt(C): -80.7 -80.2 -81.5 -82.3 -80.7 -82.1 -82.3 -82.1 -83.3 -81.3 -78.8 -81.2 -77.9 -81.0 -78.4 150mb RH (%): 4 5 4 4 6 5 4 5 4 6 8 5 9 5 7 150mb Dir: 283 286 284 280 285 285 285 291 273 245 245 240 228 233 249 150mb Speed(kt): 77 72 64 60 54 46 39 31 23 30 31 28 33 45 57 100mb GPH (m): 16672 16689 16682 16695 16720 16734 16722 16732 16757 16754 16735 16737 16748 16737 16712 100mb Temp (C): -58.6 -58.7 -59.7 -60.3 -60.2 -61.2 -61.9 -61.7 -62.6 -62.7 -62.6 -62.4 -61.9 -60.5 -61.0 100mb Dewpt(C): -91.6 -90.9 -88.2 -88.6 -88.6 -89.2 -87.3 -85.0 -87.9 -88.0 -86.0 -87.7 -87.3 -88.9 -84.5 100mb RH (%): 1 1 2 2 2 2 3 4 3 3 4 3 3 2 4 100mb Dir: 281 291 287 302 290 297 285 290 266 254 217 217 207 214 242 100mb Speed(kt): 35 32 33 31 25 21 20 15 15 9 13 18 21 25 28