Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z OCT 21, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 989.6 988.6 986.4 986.6 986.1 987.8 989.9 994.3 997.3 1001.9 1002.8 1004.0 1002.2 1000.1 995.6 Mean SLP (mb): 1014.0 1012.7 1010.1 1010.7 1010.5 1012.4 1014.2 1019.1 1022.3 1026.9 1027.5 1029.0 1027.4 1025.0 1020.0 2m agl Tmp (F): 49.9 60.7 69.7 58.5 49.9 50.6 54.1 47.6 45.9 48.5 53.0 45.7 40.7 48.5 57.5 2m agl Dewpt(F): 38.1 39.8 45.1 40.8 38.2 44.4 43.8 41.1 40.4 39.4 38.0 37.7 37.3 36.3 34.2 2m agl RH (%): 63 45 40 51 63 79 67 78 81 70 56 73 87 62 41 10m agl Dir: 77 79 66 47 36 263 285 281 272 269 273 129 68 63 184 10m agl Spd(kt): 8 7 3 4 3 4 7 7 6 5 4 1 2 3 0 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 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 0.01 0.01 0.01 0.01 0.01 0.01 Sfc CAPE (J/kg): 0.0 0.0 7.7 0.0 0.0 0.0 1.3 10.9 18.1 12.5 0.7 0.0 0.0 0.1 0.0 Sfc CINH (J/kg): 0.0 0.0 -2.1 0.0 0.0 0.0 -0.1 -0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 139.6 136.5 62.9 66.3 41.5 15.4 -24.7 -50.1 142.3 108.9 56.7 48.3 90.2 138.9 122.3 Precip H20 (in): 0.58 0.62 0.63 0.62 0.62 0.69 0.63 0.36 0.34 0.36 0.42 0.40 0.39 0.45 0.49 Lifted Index(C): 3.8 4.0 4.0 4.5 4.6 6.4 7.1 11.5 12.4 13.8 14.2 13.3 13.9 14.5 11.3 700mb VV(-ub/s): 1.5 1.5 0.6 0.4 -0.3 3.8 1.8 -0.4 -0.3 -0.6 -3.6 -0.6 -0.1 -0.5 1.5 Thk1000-500mb(m)5590.5 5598.4 5610.3 5600.5 5576.1 5535.9 5489.7 5443.4 5450.0 5457.8 5472.3 5476.2 5483.4 5498.4 5520.7 Thk1000-850mb(m)1374.7 1377.5 1385.5 1377.0 1364.6 1347.3 1337.4 1320.0 1314.1 1314.7 1324.8 1321.6 1324.4 1332.8 1345.1 Thk850-700mb(m):1601.7 1603.7 1603.7 1602.2 1598.0 1585.5 1561.3 1545.9 1547.9 1553.1 1554.8 1558.8 1561.5 1567.9 1572.7 SWEAT Index: 25.7 31.1 24.9 23.1 26.0 29.9 55.7 65.7 97.2 80.6 67.1 49.5 43.2 34.8 53.9 Total Totals Idx 43.0 44.1 42.9 44.3 43.7 41.3 40.2 26.6 34.0 27.6 20.9 19.3 10.8 0.2 17.7 Frz Hgt(ft amsl) 10914 10936 11124 11159 10687 10166 8083 5919 4494 8577 8530 8559 8692 9736 9766 0WetBlbHgt(amsl) 8467 9112 9128 9069 8673 7384 6522 3730 3655 3630 4104 3833 3291 3351 3348 Equil Prs (mb): 990 989 986 987 986 988 990 994 881 1002 1003 1004 1002 1000 996 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 3974 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: 52.1 52.0 51.6 47.4 42.8 40.7 35.6 23.5 25.5 23.9 46.3 45.0 50.5 51.8 54.8 Showalter Index: 4.6 4.0 4.7 4.1 4.7 6.5 7.9 15.4 12.8 15.7 18.3 16.8 16.2 15.3 14.5 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 7.1 7.3 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 234 242 251 236 243 287 323 328 11 6 352 350 334 316 292 Storm Spd (kts): 10 12 10 8 7 5 11 14 24 18 15 11 11 10 13 2m HeatIndex(F): 50 61 70 58 50 51 54 48 46 49 53 46 41 49 57 2m WindChill(F): 50 61 70 58 50 51 54 48 46 49 53 46 41 49 57 1000mb GPH (m): 116 107 86 90 87 102 118 156 182 219 227 236 222 204 167 950mb GPH (m): 546 539 526 525 516 525 546 578 602 640 651 658 642 626 596 950mb Temp (C): 15.7 16.2 18.0 16.3 13.8 8.3 8.6 4.9 4.0 4.0 6.8 5.1 5.0 7.2 10.2 950mb Dewpt(C): 2.9 1.8 5.1 3.2 4.0 5.6 5.7 4.2 3.6 3.1 2.2 3.1 1.4 -2.7 -0.1 950mb RH (%): 41 37 42 41 51 83 82 95 97 94 72 87 77 49 48 950mb Dir: 92 92 73 66 13 273 293 296 286 276 281 319 45 92 129 950mb Speed(kt): 17 17 6 8 5 3 12 14 12 6 6 5 3 9 2 900mb GPH (m): 1005 999 987 984 971 974 990 1016 1039 1076 1092 1097 1081 1069 1042 900mb Temp (C): 16.9 16.9 16.9 15.5 13.6 10.5 5.0 1.6 0.5 0.4 2.4 2.5 3.8 6.4 8.1 900mb Dewpt(C): 0.2 0.2 0.3 -0.3 1.2 2.3 2.8 0.9 0.2 0.1 1.4 -1.7 -7.8 -13.3 -19.3 900mb RH (%): 32 31 32 33 42 57 85 95 98 98 93 74 42 23 12 900mb Dir: 117 152 64 31 2 334 311 314 326 314 283 307 20 129 186 900mb Speed(kt): 8 5 2 3 7 6 15 18 13 9 6 3 4 5 4 850mb GPH (m): 1491 1484 1472 1467 1451 1449 1456 1476 1496 1534 1552 1558 1546 1537 1512 850mb Temp (C): 15.0 15.0 14.4 14.2 12.3 9.4 4.4 1.1 -0.2 0.3 1.1 2.8 5.0 6.0 7.1 850mb Dewpt(C): -5.3 -3.7 -3.6 -3.4 -3.1 -3.1 -0.3 -12.8 -3.7 -9.2 -12.5 -19.4 -29.9 -41.6 -24.4 850mb RH (%): 24 27 28 29 33 41 71 35 77 49 36 18 6 2 9 850mb Dir: 148 213 275 181 333 339 329 321 338 338 327 339 358 213 231 850mb Speed(kt): 5 7 3 2 4 9 21 26 19 20 14 8 4 3 10 800mb GPH (m): 1999 1993 1980 1974 1957 1949 1948 1962 1979 2020 2040 2049 2038 2031 2008 800mb Temp (C): 10.8 11.5 11.1 10.7 9.8 7.2 3.1 -0.5 -0.9 0.9 2.0 3.3 3.3 4.1 5.0 800mb Dewpt(C): -6.5 -4.8 -5.3 -4.4 -4.8 -6.6 -2.9 -22.7 -18.7 -26.1 -34.1 -33.7 -35.9 -32.4 -9.5 800mb RH (%): 28 31 31 34 35 36 64 17 25 11 5 5 4 5 34 800mb Dir: 180 213 239 215 232 325 322 315 342 344 340 346 294 256 242 800mb Speed(kt): 8 15 10 7 5 5 21 24 28 25 21 12 5 7 12 750mb GPH (m): 2532 2527 2514 2508 2489 2477 2468 2475 2495 2538 2558 2568 2558 2552 2531 750mb Temp (C): 6.4 6.8 6.8 6.7 6.4 4.6 0.0 -1.3 -0.4 0.4 0.2 0.2 0.5 1.4 2.2 750mb Dewpt(C): -7.7 -6.1 -3.8 -4.6 -5.1 -7.8 -8.2 -63.7 -46.1 -40.4 -33.4 -29.6 -29.8 -9.3 -5.1 750mb RH (%): 35 39 46 44 43 40 54 0 2 3 6 9 8 45 58 750mb Dir: 203 210 221 218 217 267 311 305 344 350 337 332 289 275 250 750mb Speed(kt): 10 17 15 12 8 5 18 22 34 27 22 12 10 11 15 700mb GPH (m): 3092 3088 3075 3069 3049 3035 3017 3022 3044 3087 3107 3117 3108 3105 3085 700mb Temp (C): 1.9 1.9 2.4 2.4 1.6 0.5 -2.7 -3.2 -2.2 -2.6 -2.8 -3.1 -2.3 -0.5 -0.5 700mb Dewpt(C): -8.2 -4.7 -7.3 -7.0 -8.1 -6.7 -15.6 -33.5 -46.3 -35.6 -31.4 -33.3 -11.9 -16.9 -12.7 700mb RH (%): 47 61 48 49 48 58 37 8 2 6 9 8 48 28 39 700mb Dir: 228 222 216 217 212 246 296 294 345 352 332 316 300 288 252 700mb Speed(kt): 17 21 18 14 9 6 17 22 38 28 23 13 15 18 21 650mb GPH (m): 3684 3680 3668 3663 3641 3624 3601 3603 3628 3671 3690 3700 3693 3693 3672 650mb Temp (C): -2.9 -2.7 -2.2 -1.9 -3.0 -4.4 -5.8 -7.4 -5.5 -5.4 -6.1 -5.6 -4.9 -4.8 -4.3 650mb Dewpt(C): -12.6 -8.8 -10.6 -10.6 -13.0 -9.0 -19.1 -25.4 -44.3 -36.3 -22.7 -21.4 -14.9 -10.1 -17.0 650mb RH (%): 47 63 53 51 46 70 34 23 3 7 26 28 46 67 37 650mb Dir: 236 221 220 213 205 247 284 292 346 345 326 314 300 296 260 650mb Speed(kt): 25 23 20 14 11 7 16 21 43 31 26 18 22 20 26 600mb GPH (m): 4312 4309 4298 4293 4269 4250 4224 4221 4250 4294 4310 4323 4317 4316 4298 600mb Temp (C): -7.0 -6.6 -6.5 -6.3 -7.1 -8.6 -9.2 -10.5 -9.4 -9.1 -10.3 -8.6 -9.1 -9.5 -7.9 600mb Dewpt(C): -23.3 -19.8 -16.9 -16.9 -21.0 -15.2 -19.5 -38.2 -50.9 -28.9 -16.1 -15.8 -23.1 -12.1 -20.7 600mb RH (%): 26 35 44 43 32 59 44 9 2 19 63 56 32 81 35 600mb Dir: 235 227 220 210 206 241 271 294 345 337 321 325 301 296 271 600mb Speed(kt): 20 21 21 14 14 8 15 19 49 34 28 28 27 22 30 550mb GPH (m): 4984 4982 4973 4967 4942 4918 4891 4885 4916 4960 4976 4993 4985 4984 4968 550mb Temp (C): -11.7 -11.2 -10.8 -10.9 -11.8 -13.0 -13.8 -14.5 -13.8 -13.5 -12.4 -12.5 -12.4 -13.2 -13.0 550mb Dewpt(C): -21.3 -25.1 -20.5 -21.8 -20.6 -18.6 -18.8 -39.1 -48.4 -31.4 -21.4 -22.1 -22.9 -17.6 -14.9 550mb RH (%): 45 31 45 41 48 63 66 11 4 21 48 45 42 70 85 550mb Dir: 224 227 224 206 204 218 252 288 345 329 318 316 299 285 277 550mb Speed(kt): 16 18 19 16 14 8 14 15 55 35 34 31 32 25 34 500mb GPH (m): 5706 5705 5696 5690 5663 5638 5608 5600 5632 5677 5699 5713 5705 5703 5688 500mb Temp (C): -16.6 -16.4 -16.1 -16.8 -17.2 -17.5 -18.1 -19.2 -19.0 -18.2 -16.2 -17.9 -17.9 -17.9 -17.5 500mb Dewpt(C): -23.7 -26.6 -27.6 -24.2 -22.3 -22.9 -27.3 -31.8 -48.8 -28.7 -27.5 -24.6 -19.7 -21.9 -19.5 500mb RH (%): 55 42 37 53 65 63 45 33 6 40 38 56 85 71 84 500mb Dir: 214 241 228 207 195 215 240 251 345 328 317 310 300 283 276 500mb Speed(kt): 16 17 19 18 18 13 14 13 59 40 40 33 35 28 34 450mb GPH (m): 6489 6487 6480 6472 6444 6420 6388 6375 6405 6456 6483 6492 6486 6483 6468 450mb Temp (C): -22.3 -22.4 -22.2 -23.0 -22.2 -21.9 -22.6 -24.2 -25.4 -23.2 -22.2 -22.7 -22.6 -23.0 -22.9 450mb Dewpt(C): -29.1 -30.8 -32.7 -31.6 -31.4 -33.6 -43.3 -29.6 -53.0 -38.4 -32.5 -28.2 -29.0 -26.3 -25.3 450mb RH (%): 55 47 39 46 44 35 14 62 6 25 39 61 57 74 81 450mb Dir: 197 233 220 199 207 205 233 215 343 333 315 308 303 287 275 450mb Speed(kt): 17 18 24 19 20 19 16 16 57 50 44 42 44 34 37 400mb GPH (m): 7343 7340 7332 7323 7298 7277 7240 7222 7246 7306 7336 7345 7338 7335 7320 400mb Temp (C): -28.8 -28.8 -29.5 -29.5 -28.6 -27.4 -28.8 -30.6 -32.6 -29.8 -29.1 -29.1 -29.3 -29.1 -29.0 400mb Dewpt(C): -36.3 -39.0 -41.3 -44.4 -48.9 -32.5 -34.4 -37.1 -55.6 -45.2 -35.4 -35.9 -34.5 -32.1 -32.2 400mb RH (%): 50 38 32 23 14 63 59 54 9 22 55 53 62 75 75 400mb Dir: 203 215 214 205 219 173 212 207 336 338 313 308 301 285 277 400mb Speed(kt): 16 21 25 19 22 30 25 22 48 59 51 48 51 41 42 350mb GPH (m): 8281 8278 8269 8259 8238 8220 8182 8158 8173 8241 8274 8283 8278 8274 8260 350mb Temp (C): -36.7 -37.1 -37.4 -37.4 -35.4 -35.9 -35.6 -37.1 -38.7 -37.5 -36.9 -36.9 -36.5 -36.5 -36.0 350mb Dewpt(C): -47.6 -47.0 -52.4 -49.5 -57.2 -40.4 -40.8 -46.8 -63.7 -54.0 -44.9 -44.7 -45.5 -40.0 -39.4 350mb RH (%): 33 36 21 29 10 64 60 37 6 18 44 45 41 71 71 350mb Dir: 214 210 211 206 217 197 201 200 334 337 318 317 301 288 280 350mb Speed(kt): 21 23 21 26 39 30 25 30 47 68 56 60 55 49 49 300mb GPH (m): 9328 9323 9314 9305 9290 9273 9232 9203 9213 9285 9321 9328 9325 9323 9311 300mb Temp (C): -45.8 -46.0 -45.5 -45.5 -44.9 -44.7 -45.2 -45.6 -46.2 -46.1 -45.6 -46.3 -46.1 -45.4 -44.8 300mb Dewpt(C): -54.7 -52.8 -55.9 -56.0 -55.1 -48.7 -50.4 -50.8 -60.9 -57.7 -54.2 -53.3 -54.0 -49.3 -48.3 300mb RH (%): 38 48 32 31 33 66 58 57 19 28 39 46 42 66 69 300mb Dir: 215 213 210 210 213 171 199 206 337 331 320 310 306 288 280 300mb Speed(kt): 20 18 11 15 40 37 28 35 44 72 72 62 64 55 60 250mb GPH (m): 10521 10513 10506 10500 10486 10462 10422 10400 10409 10472 10512 10511 10509 10511 10502 250mb Temp (C): -52.4 -53.1 -53.1 -52.6 -52.8 -53.7 -52.4 -50.2 -50.5 -54.4 -53.6 -55.8 -56.3 -55.8 -55.1 250mb Dewpt(C): -60.1 -60.3 -61.7 -62.2 -60.9 -60.0 -60.7 -68.0 -70.9 -63.4 -64.6 -61.3 -60.8 -59.9 -59.0 250mb RH (%): 41 44 37 33 39 48 38 12 9 35 27 52 59 62 64 250mb Dir: 206 236 298 12 217 173 209 229 319 330 317 303 301 288 279 250mb Speed(kt): 17 7 4 9 14 31 23 26 40 72 80 69 72 63 61 200mb GPH (m): 11952 11936 11927 11922 11907 11888 11859 11854 11858 11887 11924 11912 11902 11902 11900 200mb Temp (C): -54.6 -56.0 -56.9 -56.0 -56.6 -54.4 -53.1 -51.3 -52.2 -55.7 -59.2 -60.1 -61.4 -62.2 -61.1 200mb Dewpt(C): -71.2 -70.3 -69.9 -70.6 -70.4 -73.8 -72.9 -79.4 -79.1 -72.4 -68.3 -69.1 -69.8 -68.2 -68.9 200mb RH (%): 13 17 20 17 18 9 9 3 3 12 32 32 35 47 38 200mb Dir: 205 174 247 241 235 202 226 259 316 310 306 305 305 295 283 200mb Speed(kt): 7 8 8 8 20 20 24 17 30 60 58 81 77 74 62 150mb GPH (m): 13787 13764 13753 13754 13738 13734 13720 13714 13714 13733 13736 13724 13711 13706 13705 150mb Temp (C): -54.9 -55.5 -55.0 -55.1 -54.7 -54.0 -52.2 -52.0 -53.4 -54.7 -55.0 -55.0 -55.2 -55.8 -56.5 150mb Dewpt(C): -82.2 -83.3 -81.8 -84.2 -84.1 -83.9 -82.6 -86.8 -83.5 -84.2 -89.5 -84.3 -84.8 -82.4 -83.0 150mb RH (%): 3 3 3 2 2 2 2 1 2 2 1 2 2 3 3 150mb Dir: 182 208 226 223 230 216 233 241 265 267 274 287 283 282 273 150mb Speed(kt): 14 14 15 27 22 25 26 19 19 20 24 47 50 50 50 100mb GPH (m): 16366 16344 16334 16331 16316 16321 16315 16321 16314 16331 16317 16315 16293 16287 16286 100mb Temp (C): -56.6 -56.2 -56.3 -56.6 -56.6 -56.3 -55.7 -55.0 -56.1 -54.4 -55.4 -55.2 -55.7 -55.4 -55.9 100mb Dewpt(C): -90.1 -90.0 -85.7 -85.8 -85.9 -85.6 -89.6 -89.1 -89.9 -84.3 -85.0 -89.3 -89.6 -89.5 -80.7 100mb RH (%): 1 1 2 2 2 2 1 1 1 2 2 1 1 1 4 100mb Dir: 192 203 215 219 227 234 228 233 247 245 250 266 266 268 268 100mb Speed(kt): 18 20 22 22 22 23 21 23 22 18 26 23 25 27 28