Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z SEP 26, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 995.4 998.3 997.3 997.3 993.0 991.7 990.7 991.8 991.0 993.2 994.0 995.2 993.8 993.6 991.6 Mean SLP (mb): 1019.6 1022.8 1022.0 1021.8 1017.0 1016.0 1015.2 1015.9 1014.9 1017.6 1018.7 1019.6 1017.8 1017.8 1016.0 2m agl Tmp (F): 59.6 54.1 48.8 55.0 65.0 56.7 54.3 60.4 67.9 54.3 47.6 57.6 66.9 57.8 52.5 2m agl Dewpt(F): 51.3 47.7 44.3 45.1 41.7 33.1 29.5 36.1 38.5 40.5 41.1 43.7 40.2 42.0 38.6 2m agl RH (%): 73 79 84 69 42 40 38 40 33 59 78 59 37 55 58 10m agl Dir: 272 279 38 31 17 63 60 57 326 318 122 254 300 135 96 10m agl Spd(kt): 6 3 1 4 5 8 7 6 6 2 2 2 5 1 2 6hr Precip (in): 0.00 0.04 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 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 Sfc CAPE (J/kg): 276.1 64.4 1.2 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 80.5 67.0 34.5 38.2 53.0 131.9 152.0 87.5 48.7 27.5 47.6 40.1 20.8 49.4 100.1 Precip H20 (in): 0.73 0.59 0.43 0.34 0.31 0.22 0.43 0.55 0.52 0.32 0.31 0.44 0.73 0.79 0.60 Lifted Index(C): 3.6 11.6 11.5 11.1 8.0 11.0 7.1 7.6 6.7 9.9 14.5 14.1 12.2 11.9 13.2 700mb VV(-ub/s): 1.8 -1.6 -2.0 -2.1 -1.8 0.1 0.8 0.7 -0.5 -1.5 -1.4 -1.4 -0.3 -1.0 1.6 Thk1000-500mb(m)5459.8 5469.4 5471.9 5497.4 5544.9 5553.5 5540.8 5536.9 5552.6 5556.0 5575.6 5588.6 5615.8 5630.8 5635.3 Thk1000-850mb(m)1347.5 1334.7 1330.0 1334.3 1359.5 1361.2 1356.1 1355.9 1367.1 1359.1 1352.5 1355.4 1367.8 1366.4 1363.1 Thk850-700mb(m):1547.7 1543.0 1552.3 1561.9 1571.9 1579.2 1580.0 1579.6 1579.9 1580.6 1584.9 1588.8 1593.4 1599.7 1599.0 SWEAT Index: 106.4 72.7 45.3 30.1 29.0 32.6 24.7 21.4 25.2 31.3 36.6 34.7 44.1 38.6 52.0 Total Totals Idx 41.9 30.9 32.0 23.5 13.4 28.4 40.5 39.2 37.7 30.5 4.9 23.6 29.0 29.6 27.8 Frz Hgt(ft amsl) 6695 6223 7891 8786 9652 9944 9899 10088 10180 10594 11271 12080 12429 12790 13697 0WetBlbHgt(amsl) 6380 5776 4793 4374 4701 5544 6903 7790 6691 5666 4640 6372 7842 7916 7635 Equil Prs (mb): 536 733 997 997 993 992 991 992 991 993 994 995 994 994 992 Equil Hgt(amsl): 16725 8856 26 26 26 26 26 26 26 26 26 26 26 26 26 Hail Size(in): 0.13 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: 38.3 23.9 28.2 41.3 47.3 54.3 47.7 46.3 51.4 47.6 55.6 53.1 54.5 53.4 58.3 Showalter Index: 7.0 13.0 13.1 15.6 15.0 11.6 6.9 7.8 8.5 11.9 16.7 14.8 12.4 12.0 12.9 Cap Strength(C): -2.5 0.0 -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): 299 316 336 357 118 167 202 219 328 17 9 352 343 312 281 Storm Spd (kts): 18 14 10 7 4 9 9 6 6 6 8 7 9 9 13 2m HeatIndex(F): 60 54 49 55 65 57 54 60 68 54 48 58 67 58 53 2m WindChill(F): 60 54 49 55 65 57 54 60 68 54 48 58 67 58 53 1000mb GPH (m): 165 189 181 181 144 134 126 134 127 146 154 163 151 150 133 950mb GPH (m): 597 617 605 607 579 565 555 565 564 578 580 592 588 583 564 950mb Temp (C): 11.3 8.3 7.0 7.6 13.8 13.3 11.8 11.7 15.8 13.2 10.9 11.0 15.0 13.9 13.5 950mb Dewpt(C): 8.8 7.2 4.9 5.4 3.6 -6.2 -2.4 -0.9 1.9 4.3 2.4 0.4 2.7 4.2 1.3 950mb RH (%): 84 93 86 86 50 25 37 41 38 54 55 47 43 51 43 950mb Dir: 275 281 350 31 26 82 81 70 329 356 346 358 304 314 222 950mb Speed(kt): 11 5 5 6 6 24 22 11 8 8 3 0 6 2 3 900mb GPH (m): 1045 1060 1048 1050 1031 1019 1006 1016 1019 1031 1031 1043 1042 1038 1018 900mb Temp (C): 7.0 4.7 4.3 5.2 9.7 12.5 11.6 10.8 11.5 11.8 11.7 12.0 12.4 13.5 13.1 900mb Dewpt(C): 6.7 4.4 1.3 -0.8 2.2 -18.6 -6.7 -4.0 0.5 -6.1 -18.5 -12.8 -7.0 -1.4 -2.5 900mb RH (%): 97 98 80 65 59 10 27 35 46 28 10 16 25 35 33 900mb Dir: 275 296 339 23 44 102 106 97 345 342 350 340 330 313 240 900mb Speed(kt): 16 9 10 12 8 24 19 16 7 4 6 6 6 6 7 850mb GPH (m): 1512 1524 1511 1515 1503 1495 1482 1490 1494 1505 1506 1519 1519 1516 1496 850mb Temp (C): 3.5 1.8 2.3 4.8 8.3 10.1 9.8 8.8 8.9 8.9 9.7 9.8 10.6 11.0 11.1 850mb Dewpt(C): 1.8 1.2 -3.7 -13.9 -27.4 -14.4 -5.6 -4.9 -6.7 -8.9 -31.5 -10.8 -4.0 -3.1 -3.6 850mb RH (%): 88 96 64 24 6 16 33 37 32 27 4 22 35 37 35 850mb Dir: 279 300 345 20 97 121 110 85 52 337 349 346 343 311 243 850mb Speed(kt): 23 13 11 7 10 10 4 5 7 4 8 8 10 8 10 800mb GPH (m): 2001 2010 1999 2008 2000 1994 1982 1989 1993 2004 2006 2019 2021 2019 1999 800mb Temp (C): 0.2 -0.6 1.8 3.7 5.3 6.5 6.6 6.4 6.5 6.7 7.4 7.5 7.9 9.0 8.7 800mb Dewpt(C): -0.9 -2.7 -19.4 -35.1 -37.0 -19.6 -6.4 -2.2 -7.5 -26.6 -35.0 -13.3 -6.7 -8.4 -7.8 800mb RH (%): 92 85 19 4 3 14 38 53 36 7 3 21 34 28 30 800mb Dir: 270 281 325 356 114 137 118 85 359 341 347 340 332 289 243 800mb Speed(kt): 23 15 13 3 6 5 2 1 3 4 9 9 10 9 13 750mb GPH (m): 2516 2523 2517 2528 2523 2519 2508 2515 2519 2530 2533 2547 2550 2551 2530 750mb Temp (C): -2.6 -3.2 -0.5 1.0 2.2 3.4 3.4 3.1 3.4 3.9 4.7 5.3 6.0 7.4 7.3 750mb Dewpt(C): -4.3 -10.3 -34.3 -46.0 -36.4 -33.9 -15.1 -5.9 -25.0 -45.4 -19.7 -24.4 -9.8 -12.9 -14.7 750mb RH (%): 88 58 6 2 4 5 24 52 11 1 15 10 31 22 19 750mb Dir: 267 285 317 325 105 166 203 221 270 325 335 331 312 271 242 750mb Speed(kt): 25 19 14 5 3 7 8 6 4 6 10 10 10 12 18 700mb GPH (m): 3060 3067 3063 3077 3075 3074 3062 3069 3074 3086 3091 3107 3112 3116 3095 700mb Temp (C): -5.5 -5.2 -4.3 -2.5 -0.7 -0.3 -0.3 0.0 0.2 0.8 1.3 3.0 3.8 4.8 5.4 700mb Dewpt(C): -7.7 -34.5 -32.2 -38.9 -44.8 -36.9 -42.1 -29.4 -32.1 -39.5 -15.2 -26.0 -9.2 -3.2 -14.4 700mb RH (%): 84 8 10 4 2 5 3 9 7 3 28 10 38 56 22 700mb Dir: 266 290 311 325 174 186 215 216 267 334 324 326 299 271 243 700mb Speed(kt): 29 23 15 9 1 9 9 8 7 7 10 13 12 14 23 650mb GPH (m): 3637 3645 3644 3661 3663 3662 3650 3658 3662 3677 3684 3704 3711 3716 3697 650mb Temp (C): -9.4 -8.0 -6.7 -5.5 -4.0 -3.7 -3.9 -4.2 -3.7 -2.5 -0.9 -0.1 0.5 0.8 2.6 650mb Dewpt(C): -17.6 -49.1 -47.5 -42.5 -39.3 -47.2 -29.8 -15.1 -14.7 -28.4 -34.3 -20.7 -2.6 -1.8 -17.7 650mb RH (%): 52 2 3 4 5 2 12 42 42 12 6 20 79 83 21 650mb Dir: 266 292 301 310 224 190 227 221 254 338 335 314 303 263 250 650mb Speed(kt): 31 27 18 11 1 10 12 9 10 10 11 14 12 17 26 600mb GPH (m): 4251 4263 4264 4284 4290 4289 4276 4282 4289 4306 4318 4338 4348 4355 4339 600mb Temp (C): -12.1 -9.9 -9.4 -8.3 -6.4 -6.9 -8.1 -9.4 -8.1 -6.9 -4.3 -4.8 -3.7 -1.9 -0.9 600mb Dewpt(C): -31.0 -58.1 -41.3 -42.1 -38.3 -35.4 -10.4 -10.0 -12.0 -24.2 -24.3 -14.2 -9.7 -9.4 -18.0 600mb RH (%): 20 1 6 5 6 9 84 95 73 24 20 48 63 56 26 600mb Dir: 265 291 294 293 236 190 224 257 263 335 346 310 300 270 254 600mb Speed(kt): 33 29 21 12 3 10 14 5 10 11 17 13 13 19 28 550mb GPH (m): 4911 4932 4932 4955 4965 4963 4947 4951 4959 4978 4997 5018 5030 5042 5027 550mb Temp (C): -15.9 -11.3 -12.6 -11.5 -10.7 -10.7 -12.1 -12.8 -12.7 -11.4 -8.6 -8.3 -7.5 -6.2 -5.2 550mb Dewpt(C): -32.7 -48.6 -45.4 -34.4 -29.3 -30.4 -19.0 -16.2 -16.5 -29.6 -26.3 -14.5 -12.8 -12.2 -22.8 550mb RH (%): 23 3 5 14 21 19 57 75 73 21 23 61 66 62 24 550mb Dir: 263 286 282 297 239 187 224 258 290 343 333 317 314 289 258 550mb Speed(kt): 33 30 21 14 5 11 13 11 10 12 20 16 19 18 28 500mb GPH (m): 5624 5659 5653 5678 5689 5687 5667 5671 5679 5702 5729 5752 5767 5780 5768 500mb Temp (C): -18.3 -13.9 -16.7 -16.3 -16.3 -16.4 -18.1 -17.7 -17.7 -15.3 -13.3 -12.3 -11.2 -10.9 -10.2 500mb Dewpt(C): -35.8 -41.4 -32.4 -32.7 -29.5 -26.9 -26.5 -20.6 -21.2 -52.6 -25.1 -19.3 -16.3 -16.6 -14.7 500mb RH (%): 21 8 25 24 32 40 49 78 75 3 37 56 66 63 70 500mb Dir: 272 270 279 294 237 194 213 250 283 5 331 316 315 295 269 500mb Speed(kt): 39 31 23 15 9 13 16 12 10 24 20 19 23 22 32 450mb GPH (m): 6408 6449 6435 6461 6472 6469 6444 6449 6459 6492 6522 6550 6568 6584 6570 450mb Temp (C): -20.3 -19.4 -22.1 -22.5 -22.2 -22.5 -23.4 -23.9 -22.5 -19.7 -19.0 -16.6 -16.1 -15.1 -15.8 450mb Dewpt(C): -44.7 -25.5 -24.5 -37.8 -37.5 -36.1 -26.0 -26.6 -27.1 -45.6 -29.6 -26.3 -22.4 -21.3 -18.4 450mb RH (%): 10 59 81 25 25 29 80 79 67 9 39 43 59 60 80 450mb Dir: 282 257 270 282 242 197 217 243 297 15 333 322 311 289 271 450mb Speed(kt): 47 36 25 19 15 12 19 11 11 39 26 24 27 23 32 400mb GPH (m): 7271 7312 7289 7311 7326 7323 7295 7298 7312 7353 7387 7424 7444 7463 7448 400mb Temp (C): -25.5 -26.6 -28.9 -29.8 -28.2 -28.6 -29.5 -30.3 -29.6 -26.9 -25.4 -23.2 -22.6 -21.4 -21.7 400mb Dewpt(C): -45.0 -32.9 -32.2 -37.4 -43.4 -33.0 -33.3 -35.0 -36.6 -43.2 -34.9 -34.0 -28.3 -28.1 -25.5 400mb RH (%): 15 56 74 49 23 66 70 64 52 21 42 37 60 55 72 400mb Dir: 284 256 263 272 252 199 214 256 309 7 346 324 315 301 263 400mb Speed(kt): 53 42 27 22 26 9 18 10 12 43 31 23 32 23 32 350mb GPH (m): 8225 8260 8227 8246 8267 8265 8232 8233 8247 8299 8340 8384 8407 8430 8417 350mb Temp (C): -32.5 -33.5 -37.2 -37.2 -36.3 -35.8 -35.8 -36.9 -37.5 -34.8 -32.8 -31.5 -30.4 -29.7 -28.7 350mb Dewpt(C): -48.1 -36.8 -40.6 -50.1 -52.8 -39.3 -51.5 -52.8 -48.6 -42.4 -44.3 -38.6 -36.9 -34.1 -35.6 350mb RH (%): 21 73 71 26 18 71 20 19 32 47 32 51 54 66 52 350mb Dir: 284 248 254 266 258 216 217 229 315 3 350 333 318 313 261 350mb Speed(kt): 59 52 31 25 37 23 24 17 14 50 38 24 34 31 29 300mb GPH (m): 9289 9319 9273 9296 9316 9314 9285 9281 9298 9355 9406 9454 9483 9508 9500 300mb Temp (C): -42.2 -43.4 -44.7 -43.7 -45.2 -45.1 -44.3 -44.5 -43.0 -43.6 -41.9 -41.0 -39.1 -39.2 -37.9 300mb Dewpt(C): -54.7 -46.9 -52.8 -56.6 -49.6 -49.2 -57.9 -58.6 -61.4 -56.1 -48.5 -50.3 -45.7 -44.9 -47.2 300mb RH (%): 26 70 42 24 63 64 22 21 13 26 50 38 51 56 39 300mb Dir: 274 241 247 264 246 216 218 224 337 3 353 335 321 315 281 300mb Speed(kt): 60 63 37 35 51 28 35 23 21 50 50 35 42 33 33 250mb GPH (m): 10499 10522 10479 10499 10509 10510 10485 10486 10510 10558 10611 10667 10704 10730 10726 250mb Temp (C): -48.8 -51.0 -48.2 -50.1 -51.9 -51.7 -50.6 -49.0 -48.4 -50.1 -52.2 -50.5 -49.9 -49.5 -48.9 250mb Dewpt(C): -61.5 -55.9 -64.2 -61.9 -60.0 -60.6 -62.8 -66.1 -66.7 -63.0 -61.4 -56.9 -56.1 -59.0 -57.9 250mb RH (%): 23 58 16 26 39 36 24 13 12 23 35 49 50 34 36 250mb Dir: 266 246 242 251 243 224 220 237 327 352 350 334 323 313 300 250mb Speed(kt): 60 64 49 45 57 42 36 22 21 43 52 49 53 37 39 200mb GPH (m): 11969 11976 11947 11953 11955 11951 11933 11946 11970 12006 12036 12089 12121 12152 12152 200mb Temp (C): -46.5 -47.9 -47.9 -49.7 -50.4 -51.2 -50.9 -49.3 -49.6 -51.7 -54.8 -58.4 -60.0 -60.2 -59.6 200mb Dewpt(C): -75.6 -76.6 -74.6 -75.9 -74.8 -74.2 -77.1 -77.7 -77.7 -73.6 -70.4 -65.3 -65.6 -65.2 -66.5 200mb RH (%): 3 3 4 4 5 6 4 3 3 7 15 43 50 54 43 200mb Dir: 269 244 248 246 245 235 238 260 299 329 333 329 312 309 301 200mb Speed(kt): 51 39 51 48 48 46 35 21 20 28 43 62 59 51 45 150mb GPH (m): 13848 13858 13832 13832 13828 13823 13805 13824 13850 13878 13885 13915 13932 13947 13940 150mb Temp (C): -54.1 -51.8 -50.1 -50.9 -51.5 -51.3 -51.2 -51.7 -50.5 -50.8 -53.0 -55.8 -58.1 -58.6 -59.2 150mb Dewpt(C): -84.0 -86.6 -85.6 -86.2 -86.5 -86.5 -86.5 -86.8 -86.0 -86.1 -83.2 -80.5 -79.7 -82.5 -80.7 150mb RH (%): 2 1 1 1 1 1 1 1 1 1 2 4 6 4 6 150mb Dir: 275 257 250 248 243 244 259 271 288 297 298 308 303 297 291 150mb Speed(kt): 48 46 44 43 47 42 33 26 25 25 35 31 38 44 42 100mb GPH (m): 16434 16451 16440 16439 16438 16441 16424 16442 16456 16480 16471 16480 16489 16490 16467 100mb Temp (C): -54.7 -56.7 -56.6 -55.6 -55.1 -54.7 -54.2 -53.8 -55.1 -56.8 -57.7 -58.4 -59.6 -59.9 -60.6 100mb Dewpt(C): -88.9 -90.3 -90.3 -89.6 -89.2 -88.9 -88.5 -88.3 -84.8 -86.0 -86.5 -87.2 -88.2 -88.3 -88.4 100mb RH (%): 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 100mb Dir: 266 257 253 244 249 256 264 268 285 284 279 278 277 269 264 100mb Speed(kt): 28 25 26 25 30 27 26 23 23 23 26 21 27 27 33