Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z SEP 29, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 992.4 991.9 991.2 991.8 992.1 994.0 993.2 993.9 994.0 994.1 991.4 991.3 991.0 992.2 991.4 Mean SLP (mb): 1016.7 1016.0 1015.1 1015.9 1016.2 1018.3 1017.1 1018.1 1018.3 1018.0 1015.0 1015.3 1015.2 1016.1 1015.0 2m agl Tmp (F): 56.1 59.3 62.4 60.8 59.4 57.3 66.8 58.3 53.7 66.3 74.7 63.5 57.7 67.9 72.9 2m agl Dewpt(F): 48.9 48.2 53.7 55.8 57.4 55.8 52.7 48.7 50.3 49.6 52.1 47.0 42.4 50.6 55.7 2m agl RH (%): 76 66 73 83 93 95 60 70 88 54 44 54 56 53 54 10m agl Dir: 150 189 215 191 213 303 300 354 74 44 12 37 42 6 318 10m agl Spd(kt): 3 6 4 4 2 2 4 2 2 3 5 4 4 3 7 6hr Precip (in): 0.00 0.01 0.02 0.02 0.03 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.01 0.03 0.05 0.07 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 Sfc CAPE (J/kg): 0.0 0.1 0.3 0.3 1.5 5.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sfc CINH (J/kg): 0.0 0.0 -1.1 -1.8 -25.1 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): 195.8 148.1 107.1 91.9 68.8 73.2 42.0 71.6 56.1 69.4 65.6 81.6 68.3 47.5 35.8 Precip H20 (in): 1.06 1.25 1.27 1.18 1.15 1.14 1.10 0.98 0.93 0.90 0.85 0.71 0.66 0.64 0.63 Lifted Index(C): 8.1 7.5 6.3 6.5 6.8 8.0 8.1 5.3 5.1 6.0 5.8 6.5 6.1 6.0 3.9 700mb VV(-ub/s): -1.2 -0.9 -2.2 -1.4 -0.9 -1.6 -1.3 -0.7 -1.1 -1.1 -0.3 -0.1 -0.8 -1.1 -1.5 Thk1000-500mb(m)5623.0 5627.5 5633.4 5633.0 5625.3 5618.5 5635.3 5637.0 5629.9 5641.1 5673.2 5675.0 5667.6 5669.2 5687.5 Thk1000-850mb(m)1355.4 1358.7 1366.1 1365.0 1363.6 1357.6 1367.0 1366.7 1367.9 1375.0 1389.6 1386.3 1381.6 1382.3 1389.6 Thk850-700mb(m):1593.3 1596.3 1595.5 1595.9 1593.3 1596.0 1601.6 1604.8 1600.8 1604.0 1611.9 1614.0 1614.6 1615.4 1621.6 SWEAT Index: 159.6 164.6 184.6 165.0 158.6 148.4 82.3 100.9 169.3 120.0 90.2 88.8 81.0 71.5 32.2 Total Totals Idx 33.4 34.8 36.5 36.7 35.7 34.3 31.8 35.6 39.6 39.5 39.3 39.0 40.2 39.3 35.1 Frz Hgt(ft amsl) 13732 13179 13265 13373 12752 12398 12772 12693 12670 13053 13738 13832 13897 13827 14262 0WetBlbHgt(amsl) 9932 11911 11905 10871 10683 10643 10761 11483 10731 10343 9971 9637 9223 8788 9418 Equil Prs (mb): 992 992 991 992 992 994 993 994 994 994 991 991 991 992 991 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 -0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.11 Conv Wind Gust: 49.4 23.9 25.3 20.9 20.3 12.1 43.7 49.9 49.3 49.8 52.0 51.6 51.7 52.0 53.2 Showalter Index: 8.7 7.9 6.4 6.4 7.2 7.9 10.5 8.0 4.7 5.3 5.6 5.8 5.4 6.0 8.4 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): 302 300 300 300 300 316 325 316 321 317 304 284 298 313 326 Storm Spd (kts): 18 18 19 16 16 13 14 14 13 11 9 10 9 9 9 2m HeatIndex(F): 56 59 62 61 59 57 67 58 54 66 75 64 58 68 73 2m WindChill(F): 56 59 62 61 59 57 67 58 54 66 75 64 58 68 73 1000mb GPH (m): 140 135 128 134 136 153 145 152 152 153 129 129 127 137 129 950mb GPH (m): 570 567 564 569 570 584 582 585 584 590 573 569 564 575 572 950mb Temp (C): 11.5 12.4 13.5 13.8 13.3 11.7 14.8 13.9 13.9 16.1 19.7 18.5 17.6 17.2 18.4 950mb Dewpt(C): 9.1 10.1 11.2 13.5 13.2 11.5 10.4 5.4 4.3 3.5 9.6 7.0 5.5 6.6 11.8 950mb RH (%): 85 86 86 98 99 99 74 56 51 42 51 46 44 49 64 950mb Dir: 201 198 223 228 246 328 302 349 17 78 21 73 60 49 324 950mb Speed(kt): 7 15 11 12 8 3 5 5 3 7 6 13 11 7 9 900mb GPH (m): 1021 1019 1017 1023 1025 1036 1037 1039 1040 1047 1035 1031 1025 1035 1033 900mb Temp (C): 9.9 10.2 11.6 10.9 11.2 10.3 11.1 12.8 14.5 14.7 16.1 16.9 16.4 15.9 16.6 900mb Dewpt(C): 7.8 9.4 11.3 10.7 11.0 10.2 7.8 -4.3 -0.2 2.6 7.5 5.7 5.3 6.3 6.9 900mb RH (%): 86 95 98 98 99 100 80 29 36 44 56 47 47 52 52 900mb Dir: 236 232 249 254 256 293 314 310 346 79 44 75 48 34 1 900mb Speed(kt): 14 20 17 10 11 6 4 6 10 6 8 11 9 8 5 850mb GPH (m): 1495 1494 1494 1499 1500 1510 1512 1518 1520 1528 1519 1516 1509 1519 1518 850mb Temp (C): 7.6 7.9 9.1 9.1 8.3 8.3 9.7 12.5 11.2 12.0 13.8 14.4 14.2 14.1 15.0 850mb Dewpt(C): 7.3 7.6 8.8 8.7 8.2 8.1 2.1 3.2 8.4 6.6 4.7 4.2 3.4 2.6 -1.5 850mb RH (%): 98 98 98 97 99 99 58 52 83 69 54 49 47 45 31 850mb Dir: 258 253 260 272 282 276 309 306 345 61 65 63 23 9 347 850mb Speed(kt): 18 17 17 9 11 7 8 11 15 1 2 4 5 6 5 800mb GPH (m): 1994 1993 1995 2000 2000 2010 2016 2025 2025 2034 2027 2025 2018 2028 2029 800mb Temp (C): 6.9 6.8 7.4 6.8 8.0 8.0 9.6 9.6 9.1 9.7 11.3 12.0 12.1 12.2 13.8 800mb Dewpt(C): 2.5 6.2 5.7 6.1 7.2 4.1 6.1 5.8 3.6 3.4 1.8 -0.4 -2.1 -3.0 -17.1 800mb RH (%): 73 96 89 95 95 76 79 76 68 64 51 42 36 34 10 800mb Dir: 263 286 271 275 279 287 311 302 311 298 250 205 291 293 313 800mb Speed(kt): 20 17 17 15 20 15 15 14 12 5 3 1 1 3 7 750mb GPH (m): 2525 2524 2526 2531 2531 2543 2549 2559 2558 2567 2563 2562 2555 2565 2569 750mb Temp (C): 5.8 7.0 6.3 6.9 5.9 6.9 7.0 7.6 6.9 7.3 8.8 9.1 9.3 9.8 11.3 750mb Dewpt(C): 3.9 4.2 4.3 2.5 2.4 1.3 -0.1 3.2 1.0 0.3 -3.3 -5.7 -7.7 -13.4 -14.7 750mb RH (%): 87 82 87 73 78 67 60 73 66 61 42 34 29 18 14 750mb Dir: 276 285 287 284 276 298 308 289 295 279 257 238 243 260 311 750mb Speed(kt): 26 25 24 23 23 18 20 18 16 9 6 7 5 7 10 700mb GPH (m): 3088 3090 3090 3095 3093 3106 3114 3123 3121 3132 3131 3130 3123 3134 3140 700mb Temp (C): 4.9 5.0 2.8 3.7 2.7 3.6 4.0 3.9 3.6 4.5 5.8 6.4 6.5 7.3 7.8 700mb Dewpt(C): -7.1 -1.3 1.8 -1.1 0.1 -2.2 -2.3 0.7 -1.8 -4.5 -8.1 -12.1 -16.6 -25.3 -14.8 700mb RH (%): 41 63 93 70 83 65 63 80 67 52 36 25 17 8 18 700mb Dir: 280 283 277 283 270 297 302 284 286 281 263 237 260 267 293 700mb Speed(kt): 32 29 29 25 24 20 24 23 21 13 9 11 9 11 13 650mb GPH (m): 3690 3691 3689 3694 3690 3705 3713 3722 3719 3732 3733 3733 3727 3739 3745 650mb Temp (C): 2.3 1.6 1.5 1.3 0.3 0.4 0.9 0.7 0.7 1.5 2.6 3.3 2.9 3.3 3.6 650mb Dewpt(C): -7.8 -1.8 -2.0 -6.3 -8.9 -5.4 -5.8 -3.4 -6.7 -10.9 -13.1 -21.1 -20.7 -22.3 -17.6 650mb RH (%): 47 78 78 57 50 65 61 74 58 39 30 15 16 13 19 650mb Dir: 284 280 274 277 269 287 296 283 280 282 264 243 259 273 286 650mb Speed(kt): 36 30 35 28 26 23 28 28 24 19 13 16 13 15 16 600mb GPH (m): 4332 4333 4330 4335 4329 4342 4353 4361 4358 4371 4375 4376 4369 4381 4389 600mb Temp (C): -0.7 -1.5 -1.2 -0.9 -0.6 -3.0 -2.2 -2.3 -2.3 -2.3 -1.1 -1.1 -0.7 -1.2 -0.3 600mb Dewpt(C): -13.7 -7.6 -10.0 -21.2 -29.3 -10.2 -7.9 -11.5 -15.0 -17.7 -18.9 -21.1 -26.9 -23.3 -23.7 600mb RH (%): 37 63 51 20 10 58 65 49 37 30 25 20 12 17 15 600mb Dir: 280 279 269 273 266 280 294 279 278 283 260 257 253 272 289 600mb Speed(kt): 38 33 38 32 31 24 31 31 26 25 20 19 18 18 20 550mb GPH (m): 5021 5021 5019 5024 5019 5029 5040 5048 5043 5056 5063 5064 5056 5068 5078 550mb Temp (C): -5.4 -5.2 -4.9 -4.5 -4.5 -5.1 -5.6 -5.3 -6.1 -6.6 -5.7 -5.1 -5.5 -5.6 -5.4 550mb Dewpt(C): -13.4 -10.3 -13.8 -22.9 -29.6 -20.9 -9.6 -17.7 -22.1 -17.8 -23.0 -29.5 -29.2 -29.1 -27.7 550mb RH (%): 53 67 50 23 12 28 73 37 27 41 24 13 14 14 16 550mb Dir: 280 280 272 269 269 275 287 279 273 284 262 259 258 271 279 550mb Speed(kt): 38 38 42 38 36 35 33 31 30 32 26 25 24 22 24 500mb GPH (m): 5762 5762 5761 5767 5762 5771 5780 5789 5782 5794 5802 5805 5795 5806 5816 500mb Temp (C): -9.2 -9.6 -9.3 -9.5 -9.6 -9.0 -10.0 -9.9 -10.1 -10.5 -10.4 -10.2 -11.3 -11.3 -10.8 500mb Dewpt(C): -18.4 -14.6 -23.1 -21.6 -23.7 -19.5 -19.3 -21.0 -32.0 -23.9 -28.8 -33.5 -32.0 -31.2 -36.6 500mb RH (%): 48 67 32 37 31 43 47 40 15 33 21 14 17 18 10 500mb Dir: 277 277 279 269 273 285 278 277 276 284 274 259 258 268 276 500mb Speed(kt): 36 40 44 42 38 37 41 41 40 39 30 32 29 28 23 450mb GPH (m): 6570 6569 6568 6572 6566 6577 6584 6593 6586 6597 6605 6606 6595 6604 6618 450mb Temp (C): -14.2 -14.1 -14.3 -14.7 -15.2 -14.2 -15.4 -15.4 -15.5 -15.7 -15.8 -16.2 -16.9 -17.2 -15.2 450mb Dewpt(C): -25.3 -21.4 -30.1 -24.0 -25.8 -27.7 -28.6 -31.3 -34.5 -29.6 -33.7 -38.2 -33.8 -37.0 -37.9 450mb RH (%): 39 54 25 46 40 32 32 25 19 30 21 14 22 17 13 450mb Dir: 274 276 280 271 277 287 268 265 278 279 272 256 257 266 287 450mb Speed(kt): 35 40 45 46 41 39 48 51 47 45 37 35 36 34 18 400mb GPH (m): 7451 7452 7449 7452 7445 7458 7463 7471 7463 7472 7481 7481 7468 7475 7495 400mb Temp (C): -20.9 -20.3 -21.0 -21.3 -21.6 -21.4 -21.3 -21.5 -22.1 -22.4 -21.4 -22.1 -22.7 -24.0 -22.5 400mb Dewpt(C): -28.5 -26.9 -29.7 -29.9 -30.1 -29.4 -27.7 -36.4 -37.1 -28.3 -45.4 -42.3 -33.0 -33.4 -44.4 400mb RH (%): 51 57 46 47 47 50 57 26 25 59 10 15 40 43 13 400mb Dir: 277 280 280 272 280 283 274 270 272 275 269 250 253 269 296 400mb Speed(kt): 38 41 46 50 44 44 56 60 53 52 45 43 44 40 18 350mb GPH (m): 8423 8426 8421 8423 8414 8429 8436 8439 8430 8440 8452 8448 8431 8436 8459 350mb Temp (C): -28.1 -27.4 -28.0 -27.7 -28.2 -28.3 -27.1 -28.8 -28.6 -27.8 -28.2 -29.1 -29.7 -30.3 -30.7 350mb Dewpt(C): -35.5 -37.0 -33.7 -40.6 -37.3 -43.2 -36.8 -32.5 -34.4 -33.2 -46.8 -48.5 -34.5 -33.5 -54.5 350mb RH (%): 50 41 59 29 43 24 41 71 58 61 16 15 64 74 9 350mb Dir: 280 281 276 277 279 282 280 274 268 271 266 250 248 267 307 350mb Speed(kt): 42 42 49 51 47 47 58 68 60 55 53 45 53 46 15 300mb GPH (m): 9510 9516 9511 9513 9502 9516 9526 9526 9520 9532 9538 9529 9515 9514 9532 300mb Temp (C): -37.0 -36.0 -35.8 -36.0 -36.1 -37.0 -35.8 -36.0 -35.2 -35.3 -36.7 -37.6 -37.6 -38.7 -39.5 300mb Dewpt(C): -42.1 -46.9 -43.5 -42.2 -43.4 -47.4 -45.1 -39.5 -40.0 -40.4 -55.8 -45.5 -42.0 -43.5 -47.7 300mb RH (%): 60 33 46 54 49 35 40 71 63 60 13 45 65 62 43 300mb Dir: 282 289 274 279 272 287 278 270 274 271 262 258 257 257 270 300mb Speed(kt): 47 46 53 48 48 56 69 72 62 53 51 52 57 54 29 250mb GPH (m): 10743 10752 10751 10752 10740 10748 10764 10768 10764 10776 10777 10761 10744 10737 10754 250mb Temp (C): -47.1 -46.5 -45.6 -46.0 -46.5 -47.7 -46.8 -45.7 -45.4 -45.1 -44.7 -47.2 -48.1 -48.4 -48.6 250mb Dewpt(C): -52.7 -56.6 -53.7 -52.4 -51.0 -56.5 -55.0 -49.4 -51.6 -49.7 -61.5 -58.0 -52.4 -52.2 -53.4 250mb RH (%): 54 33 42 50 62 38 41 67 51 62 15 30 62 66 59 250mb Dir: 289 298 275 278 275 284 283 271 275 274 256 252 247 250 263 250mb Speed(kt): 49 51 54 51 50 54 76 77 75 68 58 54 64 58 47 200mb GPH (m): 12178 12191 12196 12197 12180 12184 12199 12209 12210 12224 12231 12209 12184 12176 12192 200mb Temp (C): -59.0 -58.4 -57.5 -56.8 -57.6 -57.7 -59.1 -58.5 -57.4 -57.1 -56.4 -54.0 -55.9 -56.3 -55.4 200mb Dewpt(C): -64.3 -65.7 -64.0 -64.2 -62.6 -63.5 -64.4 -62.6 -62.5 -60.6 -60.7 -68.7 -62.5 -63.9 -65.5 200mb RH (%): 53 41 46 41 55 50 53 61 55 66 60 17 46 40 30 200mb Dir: 301 289 277 273 269 273 288 279 278 267 252 249 252 252 259 200mb Speed(kt): 60 42 54 56 54 58 71 82 82 77 58 58 56 64 61 150mb GPH (m): 13959 13971 13985 13993 13974 13974 13975 13977 13977 13995 14009 14011 13993 13993 14010 150mb Temp (C): -63.2 -62.9 -62.7 -61.8 -60.5 -62.0 -63.5 -64.2 -65.5 -66.0 -64.4 -62.5 -60.1 -58.6 -58.9 150mb Dewpt(C): -77.1 -76.3 -77.1 -79.8 -80.4 -79.4 -76.1 -74.7 -75.3 -73.7 -75.3 -77.1 -77.9 -79.1 -80.5 150mb RH (%): 16 17 15 9 7 10 19 26 27 37 24 15 10 7 6 150mb Dir: 298 286 284 279 268 270 282 286 279 273 272 260 255 256 264 150mb Speed(kt): 51 54 55 58 58 56 68 74 76 71 67 66 74 77 59 100mb GPH (m): 16470 16476 16491 16493 16481 16491 16484 16486 16472 16491 16500 16510 16494 16518 16530 100mb Temp (C): -59.8 -61.3 -61.4 -62.8 -63.2 -62.3 -62.2 -60.7 -62.8 -61.5 -62.3 -62.9 -63.1 -61.2 -61.5 100mb Dewpt(C): -88.2 -86.9 -86.8 -86.1 -86.4 -87.6 -87.5 -86.2 -86.0 -87.0 -87.3 -88.0 -88.2 -89.3 -89.6 100mb RH (%): 2 3 3 4 4 3 3 3 4 3 3 3 3 2 2 100mb Dir: 271 276 265 265 268 267 266 267 263 276 271 268 269 261 269 100mb Speed(kt): 35 37 40 44 45 42 51 46 53 53 45 52 53 43 46