Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z SEP 26, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 997.2 996.6 992.6 991.3 990.5 991.4 990.0 992.2 993.3 995.1 994.0 994.1 993.1 993.3 991.9 Mean SLP (mb): 1022.0 1021.0 1016.6 1015.7 1015.0 1015.6 1013.8 1016.5 1017.9 1019.5 1018.0 1018.4 1017.6 1017.6 1015.9 2m agl Tmp (F): 48.8 57.1 65.2 56.4 54.3 57.4 69.0 55.6 48.6 57.5 65.8 56.8 53.2 59.6 59.7 2m agl Dewpt(F): 44.8 46.0 44.3 37.2 32.2 37.2 39.1 41.6 41.9 43.8 38.7 38.7 35.0 42.9 47.6 2m agl RH (%): 86 65 46 48 42 46 33 58 77 59 36 50 49 53 64 10m agl Dir: 109 33 351 59 58 58 347 8 135 245 290 107 119 196 318 10m agl Spd(kt): 1 3 6 7 7 6 5 1 2 2 4 1 3 3 2 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 0.0 0.0 0.0 0.0 0.0 0.0 0.3 Sfc CINH (J/kg): -0.4 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 -1.4 0-3km Hel(J/kg): 47.1 13.7 69.8 141.5 147.0 116.3 51.9 35.8 46.6 37.0 71.9 116.7 132.8 105.6 138.1 Precip H20 (in): 0.52 0.39 0.38 0.33 0.44 0.54 0.51 0.42 0.35 0.55 0.77 0.83 0.61 0.80 0.94 Lifted Index(C): 10.2 9.7 6.8 7.3 6.8 5.5 5.7 10.0 15.0 15.4 12.6 13.7 15.1 9.8 7.9 700mb VV(-ub/s): -1.2 -2.3 -1.1 0.3 -0.1 -0.4 -0.1 -2.8 -0.6 -0.4 -1.4 -0.8 0.1 -0.6 0.7 Thk1000-500mb(m)5477.3 5502.6 5539.7 5552.4 5550.0 5548.0 5566.3 5568.7 5572.8 5583.3 5602.2 5616.5 5618.6 5618.0 5620.9 Thk1000-850mb(m)1334.7 1339.9 1359.9 1361.9 1358.8 1358.2 1371.0 1363.1 1353.4 1351.9 1362.8 1361.0 1356.6 1355.5 1359.5 Thk850-700mb(m):1551.2 1560.1 1569.6 1577.4 1579.5 1580.3 1583.0 1584.4 1583.1 1583.4 1585.1 1594.2 1594.7 1592.1 1590.8 SWEAT Index: 41.1 27.4 27.9 33.1 24.0 21.9 22.7 29.6 39.1 44.0 47.3 49.2 53.1 95.0 154.1 Total Totals Idx 35.4 31.8 32.3 40.2 40.9 42.8 41.5 33.1 11.1 12.3 29.9 26.4 25.5 33.0 35.7 Frz Hgt(ft amsl) 7132 8555 9321 9946 9985 10243 10587 10627 11123 11201 12149 12474 13190 13338 13788 0WetBlbHgt(amsl) 5689 4967 5307 5966 6944 7222 7046 5929 4763 4958 6557 11204 6557 8439 10637 Equil Prs (mb): 997 997 993 991 990 991 990 992 993 995 994 994 993 993 992 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 27.5 35.5 44.4 50.5 47.7 45.4 52.0 47.8 55.5 57.1 58.2 50.4 59.5 55.0 27.4 Showalter Index: 10.8 12.6 11.5 7.0 6.6 5.8 6.4 10.7 17.6 18.4 12.3 13.9 14.4 9.9 7.5 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): 343 1 257 179 207 222 324 355 333 325 322 314 286 290 283 Storm Spd (kts): 9 6 5 8 8 6 6 7 9 9 12 12 14 14 16 2m HeatIndex(F): 49 57 65 56 54 57 69 56 49 58 66 57 53 60 60 2m WindChill(F): 49 57 65 56 54 57 69 56 49 58 66 57 53 60 60 1000mb GPH (m): 181 175 140 131 124 131 117 138 148 162 153 154 146 147 134 950mb GPH (m): 606 602 576 563 554 562 556 571 575 591 589 587 576 578 567 950mb Temp (C): 8.1 8.7 14.0 13.9 12.9 12.3 16.8 14.4 11.8 10.5 14.4 13.6 12.2 11.4 12.5 950mb Dewpt(C): 6.1 6.2 5.4 -1.1 -1.7 0.1 2.4 4.7 1.2 1.0 1.9 1.9 2.0 2.9 9.4 950mb RH (%): 87 84 55 35 36 42 37 51 48 51 42 44 49 55 81 950mb Dir: 307 38 357 83 82 73 354 5 331 291 292 180 188 194 280 950mb Speed(kt): 3 4 8 23 23 16 6 6 3 1 5 2 4 5 4 900mb GPH (m): 1050 1048 1028 1017 1006 1014 1012 1025 1027 1041 1041 1039 1027 1029 1019 900mb Temp (C): 5.6 6.5 9.7 12.3 12.1 11.4 12.5 12.2 11.5 10.7 11.1 10.9 10.9 10.5 10.4 900mb Dewpt(C): 2.2 1.7 4.2 -4.3 -1.2 -1.9 0.0 -1.6 -14.3 -7.4 -15.8 0.9 -4.3 4.1 10.1 900mb RH (%): 79 71 68 30 39 39 41 38 15 27 13 49 34 64 98 900mb Dir: 334 34 15 107 107 104 4 334 329 315 304 237 239 250 270 900mb Speed(kt): 8 11 9 21 18 16 7 4 6 7 6 7 9 8 12 850mb GPH (m): 1515 1515 1500 1492 1483 1489 1488 1501 1501 1514 1515 1515 1503 1503 1494 850mb Temp (C): 3.2 4.5 7.3 9.2 9.5 9.0 9.3 9.3 9.1 9.1 8.9 10.1 9.6 8.3 8.0 850mb Dewpt(C): -0.9 -5.8 -7.6 -1.7 -2.1 -2.2 -2.7 -3.8 -23.4 -19.4 -2.6 -3.9 -4.2 3.4 7.6 850mb RH (%): 74 47 34 46 44 45 42 39 8 11 44 36 37 71 97 850mb Dir: 341 31 80 126 108 91 51 313 317 313 299 272 255 265 256 850mb Speed(kt): 12 7 7 10 4 5 4 2 7 9 9 11 14 10 12 800mb GPH (m): 2004 2006 1996 1991 1982 1989 1988 2000 2000 2013 2015 2016 2003 2002 1991 800mb Temp (C): 0.7 2.9 4.9 6.0 6.1 6.2 6.6 7.1 7.1 6.6 7.0 8.1 8.0 6.3 4.9 800mb Dewpt(C): -4.4 -18.0 -26.8 -22.3 -3.4 -0.4 -3.6 -27.6 -29.4 -5.8 -10.4 -6.7 -13.4 -0.4 3.4 800mb RH (%): 68 20 8 11 50 62 48 6 5 41 28 34 20 62 90 800mb Dir: 338 21 109 144 150 108 268 320 318 301 294 283 253 249 244 800mb Speed(kt): 11 4 5 7 4 2 2 5 11 11 13 15 17 15 16 750mb GPH (m): 2520 2526 2518 2516 2507 2514 2515 2528 2527 2540 2542 2547 2533 2530 2518 750mb Temp (C): -1.4 0.4 1.8 3.1 3.6 3.4 4.2 4.8 4.2 4.0 4.5 5.7 6.8 6.1 6.8 750mb Dewpt(C): -13.9 -37.8 -38.8 -40.7 -61.4 -25.4 -32.6 -18.9 -16.3 -14.6 -10.3 4.4 -14.7 -7.5 -7.0 750mb RH (%): 38 4 3 2 0 10 5 16 21 24 33 91 20 37 36 750mb Dir: 325 2 104 168 199 204 260 308 299 293 287 285 251 247 241 750mb Speed(kt): 12 5 2 6 6 5 5 9 12 13 17 16 22 22 24 700mb GPH (m): 3067 3075 3070 3070 3062 3069 3071 3086 3084 3098 3101 3109 3097 3095 3085 700mb Temp (C): -4.0 -2.5 -1.2 -0.2 -0.1 0.3 1.1 0.9 1.1 1.7 2.1 4.2 4.7 5.3 5.6 700mb Dewpt(C): -36.0 -46.3 -46.1 -42.0 -37.5 -31.3 -22.1 -9.5 -21.2 -11.1 -7.1 0.5 -6.9 -13.4 -3.5 700mb RH (%): 7 2 2 3 4 7 16 46 17 38 50 76 42 24 51 700mb Dir: 317 335 199 195 219 250 280 304 290 286 291 284 256 263 245 700mb Speed(kt): 14 6 2 7 7 5 6 11 13 16 20 21 27 21 27 650mb GPH (m): 3647 3658 3656 3658 3651 3659 3662 3676 3678 3691 3697 3709 3698 3696 3687 650mb Temp (C): -7.1 -5.6 -4.3 -3.6 -3.3 -3.2 -3.0 -2.5 -1.1 -1.5 0.0 0.4 1.8 1.9 2.1 650mb Dewpt(C): -43.9 -42.9 -45.2 -36.5 -23.8 -13.9 -16.5 -29.1 -28.5 -10.0 -1.2 -5.3 -12.6 -7.2 -10.0 650mb RH (%): 4 4 3 6 19 44 35 11 11 52 91 65 34 51 40 650mb Dir: 310 315 197 218 232 262 294 294 296 275 307 288 264 262 252 650mb Speed(kt): 16 8 5 8 10 7 8 13 13 17 22 23 26 23 31 600mb GPH (m): 4267 4282 4282 4286 4278 4286 4291 4305 4311 4325 4335 4347 4338 4337 4328 600mb Temp (C): -9.2 -7.7 -6.8 -6.6 -6.9 -7.1 -7.4 -6.5 -4.5 -4.2 -3.0 -2.5 -1.8 -1.4 -0.5 600mb Dewpt(C): -56.3 -44.8 -54.6 -29.7 -17.8 -18.1 -14.1 -34.5 -25.3 -9.4 -5.6 -13.7 -17.4 -11.0 -41.3 600mb RH (%): 1 4 1 14 42 42 59 9 18 67 82 42 29 48 3 600mb Dir: 305 295 204 229 240 257 283 303 298 278 289 291 266 262 254 600mb Speed(kt): 18 10 8 10 12 9 10 13 16 17 22 27 27 27 35 550mb GPH (m): 4936 4954 4956 4960 4951 4958 4962 4979 4989 5009 5019 5031 5024 5025 5015 550mb Temp (C): -11.9 -11.3 -10.7 -11.1 -11.4 -12.0 -11.8 -10.5 -8.7 -6.8 -7.2 -6.7 -6.0 -5.3 -5.5 550mb Dewpt(C): -59.8 -35.0 -47.5 -23.9 -23.5 -15.4 -17.7 -42.0 -20.2 -17.0 -9.7 -12.7 -12.2 -19.1 -28.1 550mb RH (%): 1 13 3 34 37 76 62 6 39 44 83 62 62 33 15 550mb Dir: 295 286 216 233 239 259 266 332 298 300 285 291 266 269 256 550mb Speed(kt): 18 11 10 10 15 12 13 15 22 20 24 27 25 32 37 500mb GPH (m): 5658 5677 5680 5683 5674 5679 5684 5707 5721 5746 5755 5770 5765 5765 5755 500mb Temp (C): -16.6 -16.5 -16.3 -16.3 -16.7 -18.0 -17.5 -13.9 -12.7 -11.3 -11.8 -10.1 -10.1 -10.6 -10.1 500mb Dewpt(C): -48.4 -35.0 -34.2 -31.9 -28.8 -20.5 -22.8 -47.4 -20.2 -27.0 -15.0 -16.1 -15.8 -20.1 -35.6 500mb RH (%): 5 19 21 26 35 81 64 4 54 27 77 62 63 46 11 500mb Dir: 287 276 228 241 236 249 271 348 304 310 289 292 259 273 255 500mb Speed(kt): 18 14 14 13 15 13 14 26 25 26 28 28 25 34 39 450mb GPH (m): 6439 6460 6463 6466 6455 6456 6464 6498 6516 6543 6555 6575 6569 6566 6561 450mb Temp (C): -22.7 -22.7 -22.1 -22.1 -23.3 -24.7 -23.1 -19.4 -18.4 -18.2 -16.2 -14.8 -14.9 -15.8 -14.5 450mb Dewpt(C): -29.1 -45.9 -38.7 -31.6 -24.6 -25.0 -31.4 -43.0 -28.8 -23.8 -20.9 -29.0 -26.9 -25.9 -22.7 450mb RH (%): 57 11 22 43 90 98 47 11 40 62 68 30 36 42 50 450mb Dir: 291 269 237 236 228 225 286 351 312 313 293 296 252 267 264 450mb Speed(kt): 20 19 19 16 19 10 15 23 28 30 30 26 31 36 45 400mb GPH (m): 7291 7310 7317 7322 7303 7303 7315 7359 7382 7411 7431 7454 7449 7445 7442 400mb Temp (C): -29.2 -29.8 -28.6 -27.9 -31.0 -30.1 -29.0 -27.2 -24.9 -23.8 -22.6 -21.6 -21.6 -21.0 -21.2 400mb Dewpt(C): -32.3 -42.6 -31.7 -47.0 -32.8 -42.4 -46.2 -35.3 -32.2 -34.0 -26.0 -38.5 -34.6 -24.8 -28.0 400mb RH (%): 75 29 75 15 84 30 19 47 51 40 74 21 31 72 55 400mb Dir: 280 275 252 230 218 232 298 335 321 316 295 291 252 266 268 400mb Speed(kt): 24 21 27 13 22 15 18 29 37 29 33 21 37 38 47 350mb GPH (m): 8229 8250 8258 8263 8239 8240 8255 8307 8339 8373 8395 8421 8415 8418 8412 350mb Temp (C): -37.1 -35.4 -36.3 -36.4 -35.2 -36.2 -35.4 -34.4 -32.1 -30.8 -29.6 -29.9 -28.9 -27.9 -27.9 350mb Dewpt(C): -41.1 -54.3 -40.9 -47.2 -57.4 -50.2 -60.5 -43.5 -39.3 -44.9 -33.4 -47.9 -33.0 -34.8 -33.0 350mb RH (%): 68 14 63 33 10 24 7 41 50 25 70 17 68 53 63 350mb Dir: 260 281 248 234 222 226 337 340 335 313 303 296 262 265 265 350mb Speed(kt): 29 28 30 14 28 25 23 34 46 37 39 25 39 41 45 300mb GPH (m): 9274 9303 9307 9311 9294 9290 9312 9367 9407 9445 9473 9496 9496 9507 9501 300mb Temp (C): -44.9 -44.2 -44.4 -45.5 -44.3 -44.7 -42.6 -41.9 -41.4 -40.2 -39.7 -39.9 -38.7 -36.6 -36.1 300mb Dewpt(C): -50.9 -52.4 -51.6 -52.6 -52.7 -56.0 -59.2 -53.0 -45.1 -48.6 -43.5 -49.1 -42.7 -41.2 -40.5 300mb RH (%): 53 41 46 47 40 29 16 31 68 42 68 38 66 63 65 300mb Dir: 249 272 235 237 221 226 345 346 341 319 308 308 288 273 265 300mb Speed(kt): 36 38 38 29 39 29 25 46 57 47 43 33 38 45 50 250mb GPH (m): 10479 10502 10506 10504 10490 10491 10523 10575 10613 10662 10689 10714 10721 10742 10739 250mb Temp (C): -48.6 -51.5 -51.2 -51.7 -52.1 -49.6 -49.0 -51.8 -51.9 -50.4 -50.7 -50.1 -48.1 -46.9 -46.3 250mb Dewpt(C): -64.0 -60.0 -61.7 -61.7 -60.4 -64.3 -64.9 -57.6 -58.7 -55.9 -54.3 -53.7 -52.5 -51.0 -50.9 250mb RH (%): 17 38 30 31 38 18 16 52 46 54 67 67 62 65 61 250mb Dir: 252 259 239 232 223 238 324 344 346 320 306 306 302 279 263 250mb Speed(kt): 42 45 52 45 41 26 23 62 66 54 54 52 49 54 53 200mb GPH (m): 11948 11950 11952 11950 11932 11948 11976 12008 12040 12084 12108 12133 12151 12177 12178 200mb Temp (C): -47.3 -49.2 -50.4 -50.3 -50.5 -49.6 -50.6 -52.2 -56.0 -58.7 -58.6 -59.3 -58.8 -59.1 -58.1 200mb Dewpt(C): -74.1 -75.4 -75.0 -76.5 -76.6 -76.0 -76.7 -76.3 -67.8 -63.7 -68.0 -63.7 -63.6 -62.3 -62.7 200mb RH (%): 4 4 5 4 4 4 4 5 24 55 32 59 56 68 58 200mb Dir: 251 251 243 237 241 258 294 321 320 318 311 309 306 287 265 200mb Speed(kt): 50 46 52 47 37 24 20 31 58 57 61 66 76 65 57 150mb GPH (m): 13835 13826 13830 13829 13809 13827 13852 13878 13883 13904 13920 13939 13940 13960 13960 150mb Temp (C): -51.2 -51.8 -50.6 -50.5 -50.5 -51.2 -50.5 -50.5 -53.8 -55.4 -56.9 -58.5 -60.3 -60.6 -61.5 150mb Dewpt(C): -86.3 -86.7 -86.0 -85.9 -85.9 -86.8 -85.9 -85.9 -81.0 -80.1 -80.0 -81.0 -78.5 -78.3 -77.7 150mb RH (%): 1 1 1 1 1 1 1 1 3 4 5 5 9 10 12 150mb Dir: 252 253 247 244 256 266 275 287 296 282 297 295 295 283 272 150mb Speed(kt): 44 42 45 44 34 25 26 34 37 35 46 49 63 68 67 100mb GPH (m): 16439 16434 16443 16449 16429 16441 16457 16477 16462 16469 16479 16487 16466 16480 16476 100mb Temp (C): -56.5 -55.2 -55.1 -54.7 -54.5 -53.9 -55.7 -57.0 -57.8 -58.7 -59.1 -59.8 -61.1 -61.7 -61.5 100mb Dewpt(C): -85.8 -89.3 -89.2 -88.9 -88.8 -83.9 -89.6 -90.6 -86.8 -87.5 -87.7 -88.3 -89.1 -85.2 -85.2 100mb RH (%): 2 1 1 1 1 2 1 1 2 2 2 2 2 4 4 100mb Dir: 253 255 251 254 249 268 280 271 269 271 278 279 275 269 253 100mb Speed(kt): 27 22 29 27 27 24 24 22 29 30 34 35 35 34 42