Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z SEP 17, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 991.2 991.6 991.5 994.3 996.3 998.1 996.9 996.8 996.5 996.3 993.4 993.4 993.6 994.5 992.5 Mean SLP (mb): 1015.3 1015.3 1014.9 1018.3 1020.6 1022.6 1021.0 1021.3 1021.2 1020.8 1017.2 1017.7 1018.4 1019.2 1016.7 2m agl Tmp (F): 57.8 72.3 78.6 64.6 56.4 55.3 61.7 54.4 49.6 54.2 67.7 56.0 46.7 51.2 60.4 2m agl Dewpt(F): 47.7 53.0 55.3 53.5 54.0 53.6 54.0 52.9 48.7 50.9 53.0 50.5 46.0 50.6 52.7 2m agl RH (%): 68 49 43 66 91 94 75 95 97 89 58 81 97 98 75 10m agl Dir: 70 249 287 260 193 182 270 44 76 315 305 342 62 292 301 10m agl Spd(kt): 4 2 6 3 3 2 2 1 2 2 5 1 1 2 5 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 0.01 0.01 0.01 0.01 0.01 0.01 0.01 Sfc CAPE (J/kg): 0.0 21.1 39.4 0.0 3.6 13.2 0.7 0.5 1.6 4.4 0.0 0.0 0.0 7.5 0.0 Sfc CINH (J/kg): 0.0 -41.0 -182.9 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): 21.3 41.6 38.0 40.6 85.0 76.7 31.8 15.6 22.2 9.1 12.3 37.7 46.5 56.5 80.3 Precip H20 (in): 0.64 0.66 0.77 0.70 0.69 0.65 0.59 0.55 0.52 0.54 0.49 0.47 0.45 0.44 0.42 Lifted Index(C): 4.4 1.9 1.1 4.1 4.7 7.1 8.5 10.1 10.6 10.5 6.9 8.3 9.8 11.0 8.6 700mb VV(-ub/s): 1.1 3.6 0.6 0.7 0.6 0.2 -0.6 -0.6 -0.1 -0.7 -0.3 -0.4 0.1 0.3 0.0 Thk1000-500mb(m)5648.7 5659.7 5657.3 5633.5 5615.4 5610.0 5633.1 5644.2 5636.6 5638.5 5663.9 5659.0 5646.8 5638.1 5650.6 Thk1000-850mb(m)1385.8 1391.4 1397.0 1380.8 1362.3 1356.4 1366.0 1364.3 1359.9 1359.7 1378.8 1375.2 1366.5 1361.9 1370.6 Thk850-700mb(m):1621.6 1617.9 1613.7 1604.2 1601.7 1600.0 1605.0 1609.1 1609.1 1610.8 1615.0 1617.6 1615.2 1612.9 1614.9 SWEAT Index: 69.2 63.4 101.6 49.8 101.2 87.5 33.0 20.9 15.9 14.2 16.0 17.7 23.6 22.6 21.4 Total Totals Idx 43.7 45.4 44.8 38.5 40.7 38.3 30.9 24.6 24.4 26.6 27.8 30.8 29.1 27.8 27.4 Frz Hgt(ft amsl) 12381 12835 12347 12268 12556 12785 13177 13910 13740 13796 13872 13648 13585 13571 13665 0WetBlbHgt(amsl) 9092 9027 9154 8341 7576 7027 7372 8205 8095 8390 8681 8774 8322 8333 8154 Equil Prs (mb): 991 992 291 994 996 998 997 997 996 996 993 993 994 995 993 Equil Hgt(amsl): 26 26 31687 26 26 26 26 26 26 26 26 26 26 26 26 Hail Size(in): 0.00 0.01 0.38 0.11 0.14 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 52.8 52.1 56.0 47.4 46.4 17.0 47.0 48.7 49.8 49.5 50.4 51.4 51.8 51.8 52.6 Showalter Index: 3.8 2.7 2.7 6.8 5.3 6.8 11.2 13.8 13.7 12.7 11.9 10.2 10.8 11.4 11.5 Cap Strength(C):-999.9 -999.9 3.4 -999.9 -999.9 3.7 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 129 53 12 6 7 11 10 15 349 323 292 266 260 252 256 Storm Spd (kts): 9 5 7 8 9 8 7 5 4 3 4 4 6 7 9 2m HeatIndex(F): 58 72 79 65 56 55 62 54 50 54 68 56 47 51 60 2m WindChill(F): 58 72 79 65 56 55 62 54 50 54 68 56 47 51 60 1000mb GPH (m): 128 131 129 155 173 188 177 177 174 173 147 148 151 158 141 950mb GPH (m): 565 572 577 593 603 616 610 608 601 599 585 580 578 583 573 950mb Temp (C): 19.2 19.4 21.4 16.9 11.5 8.9 11.6 12.4 11.1 9.8 15.1 14.3 11.9 9.1 11.3 950mb Dewpt(C): 7.3 7.4 11.2 10.6 10.5 8.8 10.8 9.3 8.6 8.3 10.0 8.6 9.1 7.8 10.5 950mb RH (%): 45 45 51 66 93 99 95 81 85 90 71 68 83 91 95 950mb Dir: 70 272 287 308 208 183 273 332 289 354 313 341 331 328 306 950mb Speed(kt): 7 0 7 7 9 5 2 2 1 1 5 3 5 4 6 900mb GPH (m): 1029 1036 1042 1054 1056 1067 1064 1062 1054 1052 1042 1038 1033 1037 1027 900mb Temp (C): 17.6 17.9 17.1 15.6 12.3 11.7 13.2 13.0 13.1 13.4 15.8 16.5 15.7 15.3 16.0 900mb Dewpt(C): 4.7 6.9 10.1 6.6 9.5 8.3 5.4 2.9 1.0 -0.4 -5.0 -5.7 -6.4 -5.7 -5.9 900mb RH (%): 42 48 63 54 82 79 59 50 43 38 23 21 21 22 21 900mb Dir: 81 9 291 307 248 238 268 262 241 231 348 353 311 328 334 900mb Speed(kt): 15 4 7 7 6 4 4 3 3 2 0 1 3 4 5 850mb GPH (m): 1514 1522 1526 1536 1535 1545 1543 1541 1534 1532 1526 1523 1517 1520 1511 850mb Temp (C): 15.2 15.3 13.7 12.6 11.0 10.3 11.7 12.6 13.0 13.4 14.7 15.6 14.9 14.9 15.4 850mb Dewpt(C): 0.8 2.8 5.7 1.0 4.8 4.0 -3.6 -9.7 -10.9 -9.7 -9.2 -9.1 -11.1 -11.4 -11.6 850mb RH (%): 37 42 57 44 65 65 34 20 18 19 18 17 15 15 14 850mb Dir: 84 2 280 298 289 276 271 285 293 266 224 194 220 219 231 850mb Speed(kt): 18 9 6 8 10 7 4 4 3 3 1 3 4 3 3 800mb GPH (m): 2026 2033 2035 2041 2038 2047 2048 2048 2041 2040 2035 2034 2026 2029 2021 800mb Temp (C): 14.2 13.1 12.5 9.5 9.6 9.6 10.9 11.8 11.6 11.8 12.5 13.1 12.4 12.4 12.7 800mb Dewpt(C): -6.1 -3.0 -5.6 -1.5 -8.4 -15.4 -21.2 -18.6 -15.6 -13.0 -11.8 -12.6 -12.4 -11.9 -13.0 800mb RH (%): 23 32 27 46 27 15 9 10 13 16 17 15 16 17 15 800mb Dir: 93 4 319 300 319 312 313 329 310 258 229 202 213 211 208 800mb Speed(kt): 12 11 7 10 10 7 5 4 2 2 3 6 7 6 7 750mb GPH (m): 2567 2572 2573 2575 2572 2580 2583 2584 2576 2576 2572 2572 2564 2566 2558 750mb Temp (C): 11.2 10.2 9.6 8.3 8.3 7.8 8.5 9.0 8.9 9.2 9.7 10.0 9.6 9.3 9.5 750mb Dewpt(C): -14.1 -11.3 -9.2 -14.1 -30.3 -24.7 -16.3 -16.0 -16.9 -15.6 -14.9 -15.2 -16.9 -16.3 -19.2 750mb RH (%): 15 21 25 19 5 8 15 15 14 16 16 15 14 15 11 750mb Dir: 93 20 347 316 334 340 339 343 324 278 236 209 210 212 209 750mb Speed(kt): 12 8 13 10 10 8 5 4 3 2 3 6 9 10 11 700mb GPH (m): 3136 3140 3140 3140 3137 3145 3148 3150 3143 3143 3141 3141 3132 3133 3126 700mb Temp (C): 6.1 5.8 5.0 5.2 4.7 4.7 5.1 5.9 5.7 6.2 7.1 7.2 6.8 6.1 6.2 700mb Dewpt(C): -15.4 -17.5 -13.4 -15.8 -21.1 -18.6 -18.9 -19.5 -19.7 -19.0 -18.2 -17.5 -18.7 -20.4 -21.4 700mb RH (%): 20 17 25 20 13 17 16 14 14 14 15 15 14 13 12 700mb Dir: 67 40 349 327 339 346 346 348 332 311 261 223 211 213 215 700mb Speed(kt): 11 7 12 10 10 10 8 5 4 3 3 6 10 14 14 650mb GPH (m): 3736 3741 3739 3739 3735 3743 3748 3752 3745 3746 3745 3745 3736 3736 3728 650mb Temp (C): 0.3 1.4 0.2 0.0 0.5 1.0 1.5 2.6 2.7 3.1 3.5 3.3 3.0 2.8 2.7 650mb Dewpt(C): -14.4 -19.1 -14.9 -18.9 -21.3 -22.9 -21.5 -22.4 -21.2 -19.5 -19.2 -18.7 -19.1 -22.0 -26.5 650mb RH (%): 32 20 31 23 18 15 16 14 15 17 17 18 18 14 10 650mb Dir: 57 34 351 338 345 351 350 353 337 317 267 237 215 209 217 650mb Speed(kt): 9 7 7 11 11 12 10 9 7 6 6 7 10 16 20 600mb GPH (m): 4370 4378 4373 4374 4371 4381 4387 4394 4387 4388 4387 4386 4377 4377 4369 600mb Temp (C): -5.3 -3.7 -4.9 -3.8 -3.1 -3.1 -2.0 -0.8 -1.2 -1.3 -1.2 -1.8 -1.7 -1.7 -1.3 600mb Dewpt(C): -17.5 -19.6 -20.2 -29.4 -29.0 -23.1 -26.3 -24.3 -20.6 -21.7 -20.2 -20.1 -24.7 -26.7 -32.6 600mb RH (%): 38 28 29 12 12 20 14 15 21 20 22 23 16 13 7 600mb Dir: 152 13 25 1 355 352 350 351 336 312 254 243 235 210 216 600mb Speed(kt): 7 5 6 12 17 15 14 14 10 6 7 9 12 16 22 550mb GPH (m): 5047 5059 5053 5055 5054 5064 5073 5082 5073 5075 5074 5071 5063 5062 5055 550mb Temp (C): -9.1 -7.9 -8.0 -7.7 -7.3 -7.5 -6.0 -5.5 -6.1 -6.4 -6.3 -6.6 -6.7 -6.7 -6.3 550mb Dewpt(C): -22.3 -30.1 -31.0 -27.7 -27.8 -28.4 -28.2 -21.5 -25.0 -20.0 -26.4 -29.5 -29.9 -31.9 -39.2 550mb RH (%): 34 16 14 19 18 17 16 28 21 33 19 15 14 12 6 550mb Dir: 152 53 8 9 1 355 352 350 318 299 248 238 240 221 222 550mb Speed(kt): 18 5 14 17 22 19 21 14 10 7 9 10 15 15 20 500mb GPH (m): 5777 5790 5787 5789 5788 5798 5810 5821 5811 5811 5811 5807 5797 5796 5791 500mb Temp (C): -13.8 -13.6 -12.7 -12.5 -12.5 -12.0 -11.4 -10.8 -11.1 -11.4 -11.2 -12.2 -12.6 -12.2 -11.8 500mb Dewpt(C): -30.4 -34.2 -36.9 -30.3 -30.0 -33.9 -25.7 -26.3 -29.6 -26.6 -38.6 -34.4 -34.8 -38.7 -38.0 500mb RH (%): 24 16 12 22 22 15 30 27 21 28 9 14 14 10 10 500mb Dir: 127 51 12 10 0 359 354 353 301 270 257 247 234 233 229 500mb Speed(kt): 24 11 21 21 25 24 24 14 9 9 13 11 16 17 16 450mb GPH (m): 6566 6581 6580 6583 6583 6596 6609 6620 6610 6610 6611 6603 6592 6592 6588 450mb Temp (C): -20.8 -19.9 -18.9 -18.6 -17.8 -17.2 -17.2 -16.9 -16.9 -16.9 -16.6 -17.4 -17.8 -17.9 -17.5 450mb Dewpt(C): -33.6 -36.0 -43.8 -32.1 -39.5 -38.6 -30.3 -33.7 -33.4 -36.6 -43.0 -43.4 -43.0 -39.1 -37.8 450mb RH (%): 32 23 10 30 14 14 32 22 23 17 9 9 10 15 16 450mb Dir: 118 72 20 12 2 358 348 350 302 263 245 251 239 235 239 450mb Speed(kt): 27 13 23 23 30 27 24 14 11 11 19 17 19 19 18 400mb GPH (m): 7424 7441 7445 7448 7452 7467 7480 7493 7481 7483 7483 7474 7463 7462 7459 400mb Temp (C): -27.9 -27.3 -25.5 -25.5 -24.2 -23.6 -23.6 -23.1 -23.7 -23.4 -23.5 -23.9 -24.0 -23.6 -23.2 400mb Dewpt(C): -43.3 -40.8 -46.2 -36.0 -45.6 -37.0 -40.0 -40.8 -42.0 -43.3 -45.2 -45.0 -43.1 -42.9 -45.5 400mb RH (%): 23 28 14 38 13 29 22 19 18 15 13 13 16 16 12 400mb Dir: 103 84 26 13 6 359 343 342 298 276 241 242 245 236 247 400mb Speed(kt): 27 20 22 27 37 30 24 16 15 14 21 23 24 23 20 350mb GPH (m): 8366 8386 8396 8402 8409 8427 8440 8454 8442 8442 8442 8434 8421 8423 8423 350mb Temp (C): -35.8 -35.6 -33.5 -32.5 -31.7 -31.1 -31.2 -30.7 -30.9 -31.4 -31.3 -31.0 -31.3 -30.5 -29.9 350mb Dewpt(C): -51.5 -46.4 -40.9 -40.4 -49.2 -44.7 -44.4 -49.0 -50.3 -48.1 -48.0 -45.9 -44.5 -46.6 -52.3 350mb RH (%): 20 34 49 46 17 26 27 16 14 19 19 23 27 21 10 350mb Dir: 73 90 34 16 6 352 345 334 293 271 247 241 245 243 254 350mb Speed(kt): 32 26 16 35 42 34 29 17 17 19 23 26 26 24 17 300mb GPH (m): 9420 9439 9459 9469 9481 9500 9514 9530 9516 9514 9514 9507 9494 9497 9503 300mb Temp (C): -42.6 -44.0 -42.2 -40.7 -39.9 -40.2 -39.5 -39.8 -39.8 -40.2 -40.1 -39.4 -40.1 -39.1 -37.6 300mb Dewpt(C): -58.5 -55.7 -49.0 -50.2 -55.3 -51.0 -55.8 -52.2 -52.5 -49.5 -45.4 -45.6 -43.7 -53.0 -54.5 300mb RH (%): 17 28 49 37 19 32 17 27 26 38 58 53 69 23 17 300mb Dir: 55 77 26 18 5 343 345 319 284 266 248 239 247 253 301 300mb Speed(kt): 51 29 17 40 44 34 34 23 18 19 28 30 30 21 9 250mb GPH (m): 10637 10648 10671 10692 10704 10716 10733 10746 10734 10731 10733 10725 10713 10726 10736 250mb Temp (C): -47.0 -47.5 -47.8 -46.3 -46.9 -48.6 -49.2 -50.2 -49.9 -49.8 -50.0 -49.8 -48.3 -46.8 -47.1 250mb Dewpt(C): -65.6 -64.5 -62.2 -63.7 -62.6 -59.5 -59.8 -56.3 -53.9 -54.3 -53.9 -54.2 -60.8 -59.5 -57.7 250mb RH (%): 12 14 19 14 17 29 30 51 64 61 65 62 24 24 30 250mb Dir: 50 40 29 20 357 336 330 315 277 260 251 251 261 320 329 250mb Speed(kt): 61 45 43 46 40 34 34 30 18 22 29 32 20 11 10 200mb GPH (m): 12109 12113 12137 12163 12168 12173 12178 12176 12162 12159 12159 12162 12160 12177 12180 200mb Temp (C): -49.1 -49.3 -49.7 -49.3 -50.2 -51.3 -52.4 -56.3 -57.2 -57.4 -56.8 -55.2 -54.2 -53.9 -55.4 200mb Dewpt(C): -74.9 -75.3 -74.0 -73.9 -76.1 -71.0 -73.8 -64.7 -65.6 -65.7 -65.8 -68.9 -69.3 -68.0 -65.9 200mb RH (%): 4 4 5 5 4 9 7 36 36 36 34 19 16 18 28 200mb Dir: 46 40 30 9 339 317 296 298 279 258 260 280 324 353 248 200mb Speed(kt): 50 51 50 36 31 27 31 28 26 31 28 16 13 9 6 150mb GPH (m): 13977 13978 13997 14021 14019 14026 14025 14012 13983 13981 13985 13996 13993 14006 14002 150mb Temp (C): -53.6 -53.2 -54.3 -55.1 -56.5 -55.2 -55.3 -55.6 -56.4 -55.1 -55.6 -55.3 -56.4 -57.8 -58.2 150mb Dewpt(C): -83.6 -87.4 -83.8 -82.0 -83.1 -84.4 -82.2 -84.9 -83.1 -84.3 -82.4 -82.2 -83.1 -82.1 -82.6 150mb RH (%): 2 1 2 3 3 2 3 2 3 2 3 3 3 4 4 150mb Dir: 39 48 21 0 330 274 265 256 266 254 272 295 311 257 244 150mb Speed(kt): 25 26 25 25 21 19 26 28 31 30 24 16 15 7 21 100mb GPH (m): 16563 16565 16573 16585 16570 16579 16580 16574 16541 16549 16550 16557 16537 16537 16535 100mb Temp (C): -57.0 -56.5 -57.2 -58.4 -59.0 -59.9 -59.1 -59.2 -58.8 -58.8 -59.2 -58.6 -60.0 -60.6 -59.8 100mb Dewpt(C): -90.6 -90.2 -90.8 -87.2 -87.7 -88.3 -87.7 -87.8 -87.5 -87.6 -87.8 -87.3 -88.4 -88.9 -88.2 100mb RH (%): 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 100mb Dir: 47 175 278 296 273 271 252 246 255 262 258 268 257 252 235 100mb Speed(kt): 3 2 6 14 14 22 23 27 29 23 25 20 18 19 26