Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z AUG 4, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 990.8 990.1 988.0 988.3 987.6 988.1 986.5 988.4 989.5 990.8 989.7 991.9 993.7 995.3 993.9 Mean SLP (mb): 1014.8 1013.5 1010.9 1011.7 1011.2 1011.3 1009.4 1011.8 1013.4 1014.3 1012.8 1015.6 1017.8 1019.2 1017.3 2m agl Tmp (F): 60.4 79.6 88.2 75.2 64.9 84.3 91.5 74.6 63.2 76.4 85.9 67.7 57.6 69.4 80.0 2m agl Dewpt(F): 45.5 47.0 46.6 55.1 46.1 54.6 55.0 58.2 56.2 59.7 54.9 56.2 51.5 55.0 51.0 2m agl RH (%): 57 30 22 48 50 34 27 55 77 55 33 66 80 59 35 10m agl Dir: 63 75 44 32 55 60 314 309 129 262 308 325 240 288 311 10m agl Spd(kt): 5 10 6 4 5 5 6 2 1 2 5 3 0 3 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 0.0 0.0 0.0 0.0 0.0 10.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sfc CINH (J/kg): 0.0 0.0 -0.5 0.0 0.0 0.0 -17.5 0.0 -0.5 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 23.7 78.1 72.2 68.7 60.5 55.6 57.9 63.6 48.2 42.1 65.8 65.9 39.9 32.2 36.7 Precip H20 (in): 0.47 0.44 0.45 0.53 0.37 0.44 0.60 0.59 0.51 0.51 0.49 0.48 0.54 0.50 0.54 Lifted Index(C): 11.1 9.4 7.2 5.1 12.3 6.2 3.9 4.8 8.1 5.7 4.8 6.4 8.4 10.0 8.9 700mb VV(-ub/s): -3.2 -1.9 -1.9 -1.4 0.1 -0.5 -0.5 -0.8 0.4 -0.3 -0.4 -1.2 -0.6 -1.2 -1.0 Thk1000-500mb(m)5713.1 5730.2 5768.3 5770.7 5768.1 5777.8 5798.5 5786.5 5764.6 5762.7 5780.4 5765.9 5736.3 5731.7 5753.9 Thk1000-850mb(m)1391.6 1400.8 1419.5 1416.1 1410.7 1416.4 1429.5 1414.9 1400.5 1401.6 1416.2 1402.7 1388.3 1389.0 1405.1 Thk850-700mb(m):1627.7 1630.3 1637.8 1641.4 1642.8 1644.5 1647.9 1647.0 1641.9 1640.4 1643.1 1643.8 1639.0 1639.7 1642.7 SWEAT Index: 69.5 63.7 52.3 44.9 35.0 27.8 22.6 28.8 40.2 37.8 43.3 48.6 56.2 44.6 46.5 Total Totals Idx 25.3 25.6 25.8 24.7 24.2 22.1 25.6 21.4 19.9 20.7 25.4 24.9 23.5 19.8 25.5 Frz Hgt(ft amsl) 15012 15333 15975 16049 16018 16208 16483 16605 16496 16436 16466 16402 15731 15404 15804 0WetBlbHgt(amsl) 9446 9136 9905 10873 10507 10169 10328 10459 10065 10026 10289 10292 10196 12484 11762 Equil Prs (mb): 991 990 988 988 988 988 987 988 990 991 990 992 994 995 994 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 Hail Size(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 58.9 64.0 66.1 59.6 62.1 62.6 64.8 58.9 57.3 58.2 64.8 57.7 55.7 56.8 61.8 Showalter Index: 12.9 12.4 12.1 12.3 12.6 13.1 12.0 13.4 14.3 14.1 12.2 12.4 13.4 14.3 12.4 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 -999.9 -999.9 -999.9 Storm Dir (deg): 36 46 0 352 339 304 293 285 283 277 278 278 282 293 301 Storm Spd (kts): 11 12 9 9 8 6 7 8 9 8 10 11 11 10 11 2m HeatIndex(F): 60 80 85 75 65 83 90 75 63 76 84 68 58 69 80 2m WindChill(F): 60 80 88 75 65 84 92 75 63 76 86 68 58 69 80 1000mb GPH (m): 125 117 97 101 96 99 83 102 114 124 113 134 150 163 150 950mb GPH (m): 565 564 551 551 542 549 541 550 554 569 565 577 586 601 598 950mb Temp (C): 21.1 21.5 26.7 25.3 25.0 24.6 28.7 24.5 21.5 20.6 25.2 21.8 18.6 18.0 21.5 950mb Dewpt(C): 5.3 5.4 5.3 10.7 1.0 8.8 10.8 12.6 10.8 10.9 10.5 11.0 10.8 2.1 8.1 950mb RH (%): 35 34 24 38 20 35 31 46 49 53 38 49 59 34 41 950mb Dir: 78 79 51 46 78 70 316 348 263 266 311 332 271 305 314 950mb Speed(kt): 13 18 9 10 12 7 7 9 2 2 5 6 3 2 7 900mb GPH (m): 1029 1029 1024 1023 1013 1021 1017 1022 1022 1035 1036 1045 1050 1064 1064 900mb Temp (C): 18.0 19.3 22.2 23.2 22.9 22.9 24.0 23.0 21.1 20.0 22.3 21.1 18.6 18.9 20.9 900mb Dewpt(C): 0.0 -2.7 3.7 1.9 -5.8 -2.3 9.2 2.8 -0.1 1.3 -7.8 1.0 5.8 -10.2 -8.8 900mb RH (%): 29 22 29 24 14 18 38 26 23 28 12 25 42 13 12 900mb Dir: 87 93 53 70 87 95 325 259 277 258 319 270 256 289 328 900mb Speed(kt): 23 29 11 11 12 14 6 3 5 4 4 8 8 6 9 850mb GPH (m): 1516 1518 1516 1517 1506 1515 1513 1517 1514 1525 1529 1537 1538 1552 1555 850mb Temp (C): 16.9 17.8 19.2 20.2 20.4 20.9 21.5 21.0 19.8 19.6 19.8 19.3 17.9 18.3 19.4 850mb Dewpt(C): -7.7 -9.2 -8.7 -9.9 -9.4 -11.9 -8.0 -12.3 -12.3 -11.8 -8.6 -9.6 -9.8 -13.4 -7.6 850mb RH (%): 17 15 14 12 12 10 13 9 10 11 13 13 14 10 15 850mb Dir: 86 87 69 79 87 94 114 254 270 251 257 264 278 303 316 850mb Speed(kt): 21 18 14 12 7 6 2 6 8 7 8 10 11 8 9 800mb GPH (m): 2030 2033 2033 2035 2025 2034 2034 2037 2032 2043 2047 2054 2054 2068 2073 800mb Temp (C): 14.6 15.4 16.5 17.0 17.5 18.0 18.8 18.6 17.3 17.0 17.5 17.7 16.5 16.4 17.1 800mb Dewpt(C): -10.3 -12.1 -13.8 -17.9 -18.9 -17.1 -12.2 -13.3 -12.9 -14.7 -17.2 -22.1 -22.8 -15.1 -15.2 800mb RH (%): 16 14 11 8 7 8 11 10 11 10 8 5 5 10 9 800mb Dir: 60 51 73 62 25 44 225 245 265 242 247 251 274 288 296 800mb Speed(kt): 9 8 6 5 3 2 4 9 11 10 13 12 12 9 9 750mb GPH (m): 2572 2575 2578 2581 2571 2581 2582 2585 2578 2588 2593 2601 2599 2614 2620 750mb Temp (C): 12.2 12.1 13.7 14.5 14.6 14.6 15.2 15.1 14.4 14.1 14.6 15.0 14.6 14.6 14.9 750mb Dewpt(C): -13.1 -18.1 -26.2 -22.0 -15.0 -11.7 -15.1 -11.3 -13.8 -18.4 -20.8 -23.3 -26.9 -21.5 -9.7 750mb RH (%): 15 10 5 6 11 15 11 15 13 9 7 5 4 7 17 750mb Dir: 18 19 347 329 319 278 241 238 258 239 243 246 266 272 276 750mb Speed(kt): 7 8 3 6 6 4 8 13 14 11 15 14 15 12 12 700mb GPH (m): 3144 3148 3154 3159 3149 3159 3161 3164 3156 3166 3172 3180 3177 3192 3198 700mb Temp (C): 8.5 9.2 11.0 11.1 11.2 11.5 11.6 11.8 11.6 11.9 12.3 12.3 11.3 11.4 10.6 700mb Dewpt(C): -23.1 -31.7 -22.4 -13.2 -18.0 -24.6 -22.3 -21.5 -29.7 -31.9 -30.8 -28.0 -21.5 -12.7 -5.6 700mb RH (%): 9 4 8 17 11 6 7 8 4 3 3 4 8 17 31 700mb Dir: 343 342 310 303 293 259 245 237 254 245 241 241 262 264 265 700mb Speed(kt): 6 8 9 10 9 7 9 12 16 13 17 16 16 14 15 650mb GPH (m): 3751 3757 3767 3772 3763 3773 3775 3779 3771 3781 3787 3795 3790 3805 3809 650mb Temp (C): 5.1 5.7 7.0 7.5 8.0 8.1 8.4 8.9 8.5 8.4 8.4 8.2 7.7 6.2 5.7 650mb Dewpt(C): -28.2 -20.9 -14.2 -22.4 -27.3 -29.0 -32.9 -31.2 -30.8 -30.5 -26.7 -27.8 -24.1 -6.6 -11.2 650mb RH (%): 7 13 20 10 6 5 4 4 4 4 6 6 8 39 28 650mb Dir: 320 325 303 289 291 260 256 242 252 246 242 240 257 254 255 650mb Speed(kt): 12 13 13 14 11 7 10 12 17 13 16 17 17 20 18 600mb GPH (m): 4398 4406 4418 4425 4416 4427 4429 4435 4425 4435 4442 4450 4443 4453 4458 600mb Temp (C): 1.1 1.7 3.1 3.7 3.6 3.7 4.0 4.6 4.5 4.3 4.2 4.4 2.8 1.6 2.1 600mb Dewpt(C): -19.2 -13.9 -31.7 -26.3 -26.9 -29.1 -26.0 -30.8 -32.7 -30.1 -30.0 -29.7 -18.6 -20.6 -21.5 600mb RH (%): 20 30 6 9 9 7 9 6 5 6 6 6 19 17 16 600mb Dir: 311 314 296 290 279 261 256 250 250 250 238 240 248 253 254 600mb Speed(kt): 19 18 18 16 13 11 13 14 16 14 16 21 20 23 22 550mb GPH (m): 5092 5101 5117 5124 5114 5125 5129 5136 5126 5135 5142 5150 5139 5148 5155 550mb Temp (C): -3.2 -2.8 -1.7 -1.8 -1.8 -1.3 -0.7 -0.6 -0.7 -1.0 -0.9 -1.2 -2.8 -3.0 -2.0 550mb Dewpt(C): -23.3 -26.3 -26.1 -26.0 -28.9 -31.3 -27.9 -16.3 -25.4 -26.4 -25.7 -20.2 -17.8 -24.5 -20.9 550mb RH (%): 20 15 14 14 11 8 11 29 14 13 14 22 30 18 22 550mb Dir: 303 312 297 288 275 269 255 258 246 252 237 240 235 250 252 550mb Speed(kt): 23 24 23 18 17 13 16 17 20 19 20 25 30 28 26 500mb GPH (m): 5838 5847 5865 5872 5864 5876 5882 5889 5878 5887 5893 5900 5886 5895 5904 500mb Temp (C): -8.1 -8.5 -7.7 -7.2 -6.6 -6.6 -6.1 -6.3 -6.2 -6.5 -7.1 -7.6 -7.7 -7.5 -6.9 500mb Dewpt(C): -25.7 -25.3 -32.5 -34.0 -34.2 -25.9 -18.6 -21.4 -26.5 -26.9 -19.6 -22.4 -28.9 -26.6 -28.5 500mb RH (%): 23 25 12 10 9 20 37 29 19 18 36 30 17 20 16 500mb Dir: 299 308 292 285 279 273 260 256 244 245 242 239 234 252 255 500mb Speed(kt): 28 28 25 20 21 16 19 17 25 25 28 29 34 29 28 450mb GPH (m): 6646 6655 6676 6684 6676 6689 6696 6704 6693 6699 6703 6710 6697 6706 6716 450mb Temp (C): -13.9 -13.7 -12.9 -12.5 -13.1 -12.9 -12.4 -12.0 -12.6 -13.2 -13.7 -13.4 -13.3 -13.2 -13.0 450mb Dewpt(C): -39.7 -38.8 -41.0 -35.1 -24.7 -25.2 -25.4 -26.8 -26.6 -25.7 -28.5 -29.3 -27.5 -25.7 -31.8 450mb RH (%): 10 11 8 14 38 35 33 29 31 35 28 25 30 35 20 450mb Dir: 296 302 291 279 277 266 265 261 242 236 240 239 240 249 258 450mb Speed(kt): 32 32 26 23 24 22 23 24 26 32 37 39 35 35 35 400mb GPH (m): 7529 7539 7563 7571 7561 7576 7584 7591 7578 7582 7590 7597 7582 7592 7604 400mb Temp (C): -20.4 -19.8 -19.1 -19.3 -19.5 -19.1 -18.8 -19.4 -19.9 -20.3 -18.6 -18.6 -19.2 -19.4 -18.4 400mb Dewpt(C): -42.3 -42.4 -42.0 -27.9 -34.4 -36.2 -34.1 -32.6 -30.9 -35.1 -39.9 -41.6 -37.9 -35.6 -40.7 400mb RH (%): 13 12 12 47 26 21 25 31 38 26 14 12 18 23 13 400mb Dir: 291 298 291 280 272 267 263 261 241 241 243 238 240 249 255 400mb Speed(kt): 38 36 31 27 26 26 28 29 32 39 36 39 35 37 38 350mb GPH (m): 8500 8514 8540 8549 8538 8553 8562 8570 8553 8559 8567 8574 8559 8569 8584 350mb Temp (C): -28.3 -27.1 -26.4 -26.2 -27.2 -26.8 -26.0 -25.6 -26.8 -26.1 -26.7 -27.5 -26.7 -25.8 -25.4 350mb Dewpt(C): -51.1 -43.1 -39.3 -36.0 -41.0 -43.4 -51.7 -46.0 -43.0 -53.8 -42.9 -42.2 -42.8 -59.5 -52.1 350mb RH (%): 10 22 30 40 27 20 8 14 21 6 21 25 21 3 7 350mb Dir: 289 294 285 281 273 269 266 254 244 242 247 239 244 255 250 350mb Speed(kt): 44 43 35 35 29 28 31 32 40 40 36 38 36 34 32 300mb GPH (m): 9589 9607 9636 9646 9634 9650 9659 9666 9647 9654 9662 9667 9649 9666 9680 300mb Temp (C): -36.0 -35.0 -34.3 -34.0 -34.0 -34.2 -34.1 -34.7 -35.2 -35.0 -34.6 -35.3 -35.6 -34.6 -35.0 300mb Dewpt(C): -53.0 -46.9 -40.2 -49.9 -53.2 -54.8 -57.5 -53.0 -53.0 -54.7 -52.8 -49.4 -48.4 -52.1 -51.4 300mb RH (%): 17 30 57 20 14 12 9 15 16 13 15 24 27 17 19 300mb Dir: 291 289 281 276 273 268 273 256 244 246 244 236 245 265 250 300mb Speed(kt): 54 55 45 42 38 30 30 37 42 42 40 41 46 32 36 250mb GPH (m): 10830 10853 10885 10895 10885 10900 10911 10918 10895 10901 10910 10908 10894 10912 10925 250mb Temp (C): -44.5 -44.4 -44.2 -43.8 -43.2 -42.8 -42.1 -41.8 -41.8 -43.3 -43.4 -44.7 -44.3 -44.1 -44.1 250mb Dewpt(C): -59.0 -52.9 -48.3 -55.4 -61.8 -63.4 -66.7 -66.5 -66.4 -60.7 -60.6 -57.5 -60.3 -60.5 -62.5 250mb RH (%): 20 40 65 28 13 10 6 6 6 15 15 24 17 16 13 250mb Dir: 293 287 282 278 276 267 272 256 243 246 245 235 246 261 248 250mb Speed(kt): 69 66 59 50 41 38 34 37 48 47 46 50 53 37 36 200mb GPH (m): 12295 12315 12351 12365 12360 12380 12400 12406 12382 12378 12383 12381 12359 12375 12390 200mb Temp (C): -51.8 -52.5 -51.5 -51.3 -50.5 -49.5 -48.5 -49.1 -49.5 -50.0 -50.5 -49.6 -52.6 -53.1 -52.5 200mb Dewpt(C): -67.6 -69.1 -72.9 -72.3 -72.5 -75.8 -74.8 -75.2 -73.0 -77.9 -73.3 -74.3 -69.9 -70.1 -69.4 200mb RH (%): 15 14 7 8 7 4 4 4 6 3 6 5 12 13 13 200mb Dir: 289 290 284 283 276 275 274 257 239 241 244 236 251 256 249 200mb Speed(kt): 75 65 59 51 48 46 40 41 44 51 54 62 55 42 37 150mb GPH (m): 14137 14146 14184 14199 14200 14221 14243 14242 14217 14220 14230 14230 14193 14199 14219 150mb Temp (C): -56.6 -58.2 -59.3 -59.2 -58.3 -58.9 -59.5 -59.9 -59.4 -57.8 -57.8 -58.4 -57.1 -59.7 -59.0 150mb Dewpt(C): -81.3 -81.1 -81.8 -81.7 -84.2 -83.0 -83.4 -79.0 -78.7 -82.3 -82.1 -81.4 -80.0 -78.1 -77.7 150mb RH (%): 4 5 5 5 3 4 4 8 8 4 4 5 5 9 9 150mb Dir: 282 283 285 289 286 287 268 248 240 250 239 231 242 250 255 150mb Speed(kt): 60 59 55 46 39 30 24 32 35 29 31 43 56 49 47 100mb GPH (m): 16680 16682 16712 16723 16717 16731 16756 16751 16732 16735 16746 16742 16721 16727 16739 100mb Temp (C): -60.2 -60.5 -61.5 -60.8 -62.0 -62.1 -62.4 -62.6 -62.5 -62.8 -63.4 -62.8 -62.5 -61.1 -62.4 100mb Dewpt(C): -88.5 -88.8 -89.5 -89.0 -87.4 -87.5 -85.8 -86.1 -87.7 -87.7 -86.6 -86.1 -85.9 -86.6 -87.6 100mb RH (%): 2 2 2 2 3 3 4 4 3 3 4 4 4 3 3 100mb Dir: 284 303 293 289 291 291 265 244 231 221 217 223 243 240 253 100mb Speed(kt): 34 29 24 24 20 13 13 12 17 19 25 22 27 23 30