Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z SEP 28, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 992.6 994.1 992.4 992.6 992.3 992.8 992.0 993.4 995.7 996.6 993.6 992.8 992.1 991.4 989.5 Mean SLP (mb): 1017.4 1018.5 1016.3 1016.8 1016.6 1017.3 1016.1 1017.7 1020.4 1021.3 1017.6 1017.1 1016.5 1015.4 1013.1 2m agl Tmp (F): 46.7 57.5 65.6 59.7 54.6 53.2 58.7 56.9 49.8 50.1 64.6 57.5 53.3 65.2 71.7 2m agl Dewpt(F): 39.4 45.5 45.0 46.0 48.1 50.5 52.9 56.3 48.0 49.1 47.3 43.5 38.5 42.4 42.8 2m agl RH (%): 75 63 46 60 78 90 81 98 93 96 53 59 57 43 34 10m agl Dir: 99 215 263 165 169 177 192 284 352 295 352 48 60 67 19 10m agl Spd(kt): 3 3 5 3 4 5 6 3 3 1 4 4 5 7 3 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.03 0.04 0.10 0.01 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.03 0.08 0.17 0.19 0.19 0.19 0.19 0.19 0.19 0.19 Sfc CAPE (J/kg): 0.0 0.0 0.0 0.0 0.0 0.1 0.1 47.7 3.0 4.9 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 -0.9 0.0 -0.1 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 54.4 41.5 56.3 174.6 179.3 210.6 166.6 127.4 62.0 28.0 125.7 104.6 47.8 77.3 65.2 Precip H20 (in): 0.53 0.59 0.75 1.01 1.11 1.23 1.19 1.16 0.55 0.58 0.66 0.73 0.71 0.72 0.75 Lifted Index(C): 10.1 12.0 12.7 12.8 8.2 6.1 8.0 9.4 17.2 17.1 11.9 9.7 10.7 7.6 5.1 700mb VV(-ub/s): 0.2 -0.8 -0.8 -0.9 -1.2 -2.5 -1.6 -0.1 -1.8 -0.6 -1.1 -1.0 -1.1 0.1 1.2 Thk1000-500mb(m)5563.3 5573.8 5606.7 5626.8 5618.0 5614.8 5621.0 5608.3 5590.3 5597.4 5629.0 5638.2 5633.9 5636.8 5644.9 Thk1000-850mb(m)1351.4 1350.3 1363.4 1361.9 1352.4 1354.2 1360.0 1353.3 1339.5 1340.9 1363.2 1367.7 1367.7 1373.4 1382.8 Thk850-700mb(m):1581.4 1583.8 1585.2 1592.5 1591.7 1591.0 1588.8 1581.1 1583.9 1590.7 1595.1 1601.9 1602.3 1603.8 1605.3 SWEAT Index: 33.9 40.2 51.1 147.7 146.4 174.2 186.1 149.9 62.6 57.0 54.9 50.3 54.2 45.7 43.0 Total Totals Idx 34.2 26.8 25.5 25.5 34.7 37.5 35.2 30.7 19.2 5.6 7.9 -1.0 10.6 23.7 35.4 Frz Hgt(ft amsl) 10891 11354 12029 12942 13375 13340 13196 13451 13084 12351 13136 13090 13032 12770 12662 0WetBlbHgt(amsl) 6860 5837 7844 11499 10869 11353 11448 10473 5315 4694 5407 6504 10770 10593 10309 Equil Prs (mb): 993 994 992 993 992 993 992 826 996 997 994 993 992 991 989 Equil Hgt(amsl): 26 26 26 26 26 26 26 5697 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: 45.7 48.4 53.7 47.2 51.2 26.5 24.6 11.0 58.3 58.8 54.8 56.2 51.7 51.9 54.2 Showalter Index: 10.1 14.1 14.5 14.3 8.2 6.3 7.5 10.8 18.6 20.5 19.4 17.9 16.9 13.9 8.6 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 348 330 323 302 299 298 296 310 329 328 317 318 321 287 289 Storm Spd (kts): 8 8 12 16 17 19 22 19 15 12 12 14 12 11 10 2m HeatIndex(F): 47 58 66 60 55 53 59 57 50 50 65 58 53 65 72 2m WindChill(F): 47 58 66 60 55 53 59 57 50 50 65 58 53 65 72 1000mb GPH (m): 142 154 138 141 138 143 135 148 168 175 149 143 137 130 113 950mb GPH (m): 568 582 575 575 568 571 568 580 593 599 584 577 569 565 554 950mb Temp (C): 10.7 9.9 14.4 13.9 11.0 10.4 11.5 11.5 9.0 8.2 13.8 14.8 14.8 15.0 18.4 950mb Dewpt(C): 4.7 5.0 5.7 7.0 8.3 10.0 10.7 11.3 4.4 5.1 7.1 3.0 1.3 2.6 3.8 950mb RH (%): 66 71 55 62 83 98 95 99 73 80 63 44 39 42 37 950mb Dir: 127 204 266 203 215 203 208 306 345 49 5 85 81 73 33 950mb Speed(kt): 3 2 5 10 11 16 15 10 11 3 5 13 15 12 4 900mb GPH (m): 1019 1032 1028 1029 1018 1022 1020 1030 1039 1045 1037 1032 1026 1023 1014 900mb Temp (C): 10.8 9.8 11.1 10.7 9.7 10.7 10.5 8.8 7.1 7.9 10.8 12.8 14.0 15.1 15.3 900mb Dewpt(C): 2.4 2.4 -4.1 4.4 6.1 10.4 10.2 8.6 -1.0 -2.5 2.9 4.5 -0.1 -6.8 -0.7 900mb RH (%): 56 59 34 64 78 98 98 99 56 47 58 56 37 21 33 900mb Dir: 313 295 284 217 241 238 250 305 329 31 53 95 81 84 56 900mb Speed(kt): 2 6 5 13 16 23 21 12 11 4 8 9 7 12 8 850mb GPH (m): 1494 1505 1502 1503 1491 1498 1495 1501 1507 1516 1512 1511 1505 1504 1495 850mb Temp (C): 8.4 8.3 9.1 9.3 7.6 8.3 8.3 6.2 5.6 8.5 10.4 12.1 12.5 13.2 13.2 850mb Dewpt(C): -1.6 -6.3 -3.3 -2.0 7.2 8.1 8.1 6.0 -6.1 -23.4 -21.9 -33.2 -23.4 -11.5 -1.7 850mb RH (%): 49 34 41 45 97 99 98 98 43 8 8 3 6 16 35 850mb Dir: 311 280 294 249 253 251 264 267 304 1 123 31 19 49 16 850mb Speed(kt): 4 8 11 16 18 22 22 15 11 7 7 1 8 5 4 800mb GPH (m): 1991 2003 2001 2004 1990 1998 1994 1997 2003 2016 2014 2015 2010 2010 2002 800mb Temp (C): 5.6 7.1 6.7 7.4 6.2 6.5 5.6 5.3 6.7 8.3 9.0 10.2 10.0 9.8 10.5 800mb Dewpt(C): -5.4 -20.7 -5.9 -3.8 5.0 5.4 5.4 2.8 -27.7 -36.6 -44.6 -23.5 -1.3 3.1 1.0 800mb RH (%): 45 12 40 44 91 93 99 83 7 3 1 7 45 63 51 800mb Dir: 312 309 288 260 257 264 271 267 303 338 282 310 357 5 278 800mb Speed(kt): 6 9 13 20 22 22 22 18 14 9 1 7 9 3 3 750mb GPH (m): 2517 2530 2529 2533 2518 2525 2522 2523 2530 2546 2545 2548 2543 2543 2536 750mb Temp (C): 4.3 4.3 4.5 6.1 6.1 5.6 5.3 3.9 5.5 6.1 6.5 7.2 6.9 7.3 7.3 750mb Dewpt(C): -16.2 -16.1 -6.2 1.2 -1.1 -1.8 2.7 2.1 -47.6 -28.7 -23.0 -1.3 0.7 -0.2 0.2 750mb RH (%): 21 21 45 70 59 59 83 88 1 6 10 54 64 59 61 750mb Dir: 305 310 286 273 261 280 277 283 307 316 281 299 317 269 250 750mb Speed(kt): 8 10 16 20 27 26 26 24 17 12 6 12 10 3 9 700mb GPH (m): 3075 3088 3087 3096 3083 3089 3084 3083 3091 3107 3107 3112 3107 3107 3101 700mb Temp (C): 1.5 2.0 1.8 4.4 4.5 4.3 3.3 2.4 3.9 3.6 4.2 4.4 3.9 4.1 3.9 700mb Dewpt(C): -21.9 -24.4 -6.4 1.5 -1.7 0.6 1.7 -1.5 -45.1 -18.6 -6.5 -2.7 -1.8 -2.6 -3.3 700mb RH (%): 16 12 54 81 64 76 89 75 1 18 45 60 66 61 59 700mb Dir: 304 295 287 286 268 282 275 281 301 300 289 290 301 254 247 700mb Speed(kt): 10 11 18 23 28 29 35 32 22 17 14 17 14 9 13 650mb GPH (m): 3667 3682 3683 3696 3684 3689 3683 3681 3690 3705 3707 3712 3706 3706 3699 650mb Temp (C): -2.1 -1.2 -0.1 0.9 2.8 2.1 1.2 1.4 1.7 0.1 1.6 1.3 1.5 0.9 0.9 650mb Dewpt(C): -24.3 -19.6 -4.1 -3.5 -8.6 -5.4 -3.6 -5.9 -20.5 -3.2 -5.7 -6.2 -6.9 -7.4 -12.4 650mb RH (%): 17 23 74 72 43 57 70 58 17 78 58 57 53 53 36 650mb Dir: 311 289 291 295 276 276 269 283 296 288 291 285 279 250 250 650mb Speed(kt): 11 14 22 29 31 31 40 38 25 19 24 24 17 15 16 600mb GPH (m): 4298 4315 4320 4336 4327 4331 4324 4322 4330 4344 4348 4353 4347 4345 4337 600mb Temp (C): -5.0 -4.9 -2.8 -1.5 -1.8 -1.5 -1.1 -0.7 -2.0 -1.2 -1.8 -1.7 -2.1 -2.3 -2.6 600mb Dewpt(C): -34.9 -9.3 -8.4 -6.7 -5.6 -3.7 -13.9 -8.3 -5.9 -13.2 -10.8 -10.6 -10.2 -15.1 -19.0 600mb RH (%): 8 71 65 67 75 85 37 56 75 40 50 51 54 37 27 600mb Dir: 331 301 293 291 286 276 266 281 292 287 282 285 278 253 256 600mb Speed(kt): 17 16 23 31 33 33 45 42 31 26 28 28 22 23 20 550mb GPH (m): 4977 4995 5006 5025 5014 5018 5014 5012 5017 5033 5036 5040 5033 5030 5022 550mb Temp (C): -9.5 -8.4 -6.2 -4.9 -5.2 -5.8 -4.5 -4.2 -5.5 -5.3 -4.7 -5.2 -6.2 -6.6 -6.8 550mb Dewpt(C): -24.4 -13.1 -14.2 -11.5 -11.7 -10.9 -20.5 -13.8 -12.8 -15.1 -15.5 -14.0 -18.1 -23.4 -28.7 550mb RH (%): 29 69 53 60 60 67 28 47 57 46 43 50 39 25 16 550mb Dir: 322 308 302 281 289 284 270 276 287 285 279 280 268 251 251 550mb Speed(kt): 23 20 30 33 35 33 45 42 36 34 35 37 30 30 27 500mb GPH (m): 5706 5728 5745 5768 5756 5758 5756 5756 5758 5773 5778 5781 5771 5767 5758 500mb Temp (C): -13.7 -12.4 -9.8 -9.1 -10.0 -10.6 -9.4 -9.3 -9.9 -10.3 -9.7 -10.0 -10.8 -11.0 -12.0 500mb Dewpt(C): -27.2 -19.6 -21.3 -17.3 -16.1 -15.5 -23.5 -18.0 -20.4 -19.0 -22.0 -23.0 -31.7 -32.2 -30.7 500mb RH (%): 32 55 39 52 61 67 31 50 42 49 37 34 17 16 20 500mb Dir: 311 311 305 276 289 284 278 277 284 285 277 277 263 257 256 500mb Speed(kt): 25 25 30 33 25 34 45 48 40 43 41 48 39 36 35 450mb GPH (m): 6499 6525 6551 6574 6563 6564 6562 6563 6563 6576 6581 6584 6574 6568 6556 450mb Temp (C): -18.3 -17.5 -14.7 -14.9 -14.1 -14.1 -14.5 -14.1 -14.8 -15.0 -16.1 -15.1 -15.4 -16.2 -17.4 450mb Dewpt(C): -31.6 -26.2 -29.5 -20.3 -22.4 -22.1 -24.6 -24.7 -23.1 -22.6 -20.8 -27.4 -36.0 -35.7 -28.2 450mb RH (%): 31 47 28 64 50 51 43 41 50 53 67 35 16 18 39 450mb Dir: 325 313 311 283 283 276 281 279 278 284 277 277 265 256 251 450mb Speed(kt): 27 29 29 33 30 35 49 52 52 50 47 58 48 44 46 400mb GPH (m): 7365 7395 7430 7453 7447 7446 7443 7444 7445 7455 7458 7463 7452 7442 7425 400mb Temp (C): -25.6 -24.3 -21.7 -21.5 -20.0 -20.2 -21.1 -21.1 -20.1 -21.0 -20.9 -21.5 -21.4 -23.1 -24.0 400mb Dewpt(C): -35.4 -31.0 -34.0 -25.2 -31.1 -28.7 -26.0 -27.2 -34.2 -29.2 -27.0 -34.6 -37.8 -32.1 -28.2 400mb RH (%): 40 55 33 73 37 48 65 58 28 49 59 31 22 45 69 400mb Dir: 331 317 328 291 280 277 281 282 283 287 276 273 269 254 250 400mb Speed(kt): 32 32 36 34 36 37 50 56 49 55 55 61 55 54 55 350mb GPH (m): 8316 8352 8395 8422 8421 8422 8416 8416 8416 8426 8431 8433 8421 8405 8389 350mb Temp (C): -34.0 -31.6 -30.1 -29.1 -27.2 -26.9 -27.8 -27.5 -28.5 -28.4 -27.4 -28.6 -29.1 -28.9 -28.9 350mb Dewpt(C): -41.2 -39.5 -40.4 -32.5 -38.9 -36.4 -33.9 -38.0 -41.3 -34.9 -33.4 -32.3 -39.7 -32.2 -32.1 350mb RH (%): 50 47 38 73 33 42 57 37 29 55 58 71 36 74 75 350mb Dir: 329 331 333 299 277 277 274 284 275 292 278 271 263 255 258 350mb Speed(kt): 40 44 38 37 39 41 48 55 49 59 60 68 66 61 61 300mb GPH (m): 9376 9421 9471 9506 9509 9514 9508 9507 9501 9512 9520 9519 9504 9495 9476 300mb Temp (C): -42.6 -41.2 -39.2 -37.6 -37.0 -35.9 -35.3 -36.0 -36.9 -37.2 -36.5 -36.5 -36.2 -35.6 -35.7 300mb Dewpt(C): -48.6 -48.9 -44.0 -40.7 -42.3 -41.0 -43.5 -50.7 -46.3 -44.7 -41.4 -39.9 -39.9 -38.9 -39.1 300mb RH (%): 53 45 62 73 59 60 44 22 39 47 62 71 69 73 72 300mb Dir: 339 339 326 305 274 277 272 283 274 292 283 274 264 261 256 300mb Speed(kt): 59 60 52 40 38 44 51 55 55 55 61 70 65 70 75 250mb GPH (m): 10581 10632 10693 10731 10741 10752 10751 10744 10736 10743 10754 10757 10745 10734 10716 250mb Temp (C): -51.8 -50.7 -49.0 -48.8 -47.7 -46.8 -45.5 -46.5 -47.0 -46.9 -47.5 -46.3 -46.2 -46.0 -46.0 250mb Dewpt(C): -57.8 -57.0 -53.2 -52.6 -55.9 -50.6 -52.4 -55.2 -52.4 -55.0 -50.9 -49.8 -49.8 -49.7 -50.9 250mb RH (%): 51 49 63 66 40 67 48 38 56 42 70 69 68 68 59 250mb Dir: 335 345 320 309 298 281 271 278 281 276 285 276 269 263 258 250mb Speed(kt): 75 80 66 50 44 49 55 57 64 59 77 76 72 81 87 200mb GPH (m): 12011 12059 12117 12158 12173 12189 12197 12188 12174 12186 12183 12193 12185 12176 12159 200mb Temp (C): -54.3 -58.1 -60.3 -60.1 -59.0 -57.9 -57.1 -56.8 -58.1 -57.2 -60.2 -59.4 -58.8 -57.8 -57.3 200mb Dewpt(C): -68.5 -64.6 -66.2 -64.9 -65.1 -63.1 -62.8 -63.2 -62.3 -66.0 -64.9 -65.3 -62.8 -61.5 -62.0 200mb RH (%): 18 45 48 56 48 54 51 46 61 35 56 48 62 64 57 200mb Dir: 312 324 322 313 308 293 273 277 282 271 280 277 276 261 255 200mb Speed(kt): 36 62 73 61 58 61 58 64 69 64 76 81 86 89 95 150mb GPH (m): 13863 13878 13906 13939 13945 13968 13985 13988 13962 13978 13965 13963 13950 13951 13946 150mb Temp (C): -52.5 -55.0 -59.4 -60.9 -63.2 -64.2 -63.3 -60.5 -60.6 -60.9 -61.3 -62.5 -64.3 -63.2 -61.0 150mb Dewpt(C): -82.6 -84.4 -80.5 -79.7 -76.7 -76.9 -77.3 -77.5 -80.6 -79.8 -78.2 -76.8 -75.9 -77.0 -78.4 150mb RH (%): 2 2 6 8 17 19 16 11 7 8 11 15 22 16 10 150mb Dir: 289 295 305 294 295 288 284 279 275 276 279 273 273 263 266 150mb Speed(kt): 36 35 44 45 49 55 61 62 66 61 72 71 74 86 81 100mb GPH (m): 16456 16452 16466 16472 16464 16480 16484 16494 16472 16489 16473 16480 16461 16470 16466 100mb Temp (C): -57.1 -57.6 -57.3 -59.1 -60.2 -60.3 -61.6 -64.2 -62.1 -61.7 -62.4 -60.9 -61.6 -61.1 -60.7 100mb Dewpt(C): -90.5 -86.6 -90.2 -87.8 -88.7 -88.2 -86.9 -87.2 -87.4 -85.6 -87.7 -86.5 -85.1 -84.8 -89.0 100mb RH (%): 1 2 1 2 2 2 3 4 3 4 3 3 4 4 2 100mb Dir: 263 272 277 281 280 270 267 273 272 264 268 257 261 275 269 100mb Speed(kt): 28 29 30 33 33 34 37 48 50 42 50 47 47 43 46