Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z SEP 25, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 984.9 989.8 994.8 998.2 998.2 997.8 993.6 993.0 992.4 993.1 992.0 993.9 994.4 995.1 993.5 Mean SLP (mb): 1009.0 1014.2 1019.1 1022.8 1022.9 1022.4 1017.7 1017.3 1017.0 1017.3 1015.8 1018.2 1019.0 1019.5 1017.4 2m agl Tmp (F): 57.7 52.1 58.1 53.0 48.7 54.8 63.4 56.3 53.0 63.0 68.7 55.3 49.7 58.7 65.6 2m agl Dewpt(F): 52.3 50.6 48.8 46.4 44.0 44.7 41.6 34.7 27.9 35.3 38.3 41.5 38.2 42.7 38.7 2m agl RH (%): 82 95 70 78 84 68 44 43 37 35 32 59 64 54 36 10m agl Dir: 189 209 268 254 41 7 4 54 54 58 330 32 79 260 307 10m agl Spd(kt): 12 14 8 1 2 5 5 6 6 6 6 2 2 2 5 6hr Precip (in): 0.00 0.26 0.13 0.04 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 0.26 0.39 0.43 0.43 0.43 0.43 0.43 0.43 0.43 0.43 0.43 0.43 0.43 0.43 Sfc CAPE (J/kg): 193.1 36.8 160.5 28.5 2.8 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sfc CINH (J/kg): -1.2 -10.2 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 0-3km Hel(J/kg): 172.4 362.8 76.6 81.2 28.6 7.6 71.0 111.9 99.0 49.1 28.9 26.1 33.3 36.2 52.7 Precip H20 (in): 0.79 0.89 0.67 0.44 0.39 0.32 0.35 0.28 0.33 0.39 0.39 0.38 0.39 0.49 0.59 Lifted Index(C): -0.6 2.9 6.3 12.8 11.5 11.1 7.8 10.0 7.9 7.3 6.5 8.7 12.0 13.4 13.2 700mb VV(-ub/s): 3.5 11.0 1.7 -1.9 -2.9 -2.6 -0.8 0.2 0.6 -0.4 -1.5 -2.3 -1.4 -0.3 -1.8 Thk1000-500mb(m)5487.5 5455.2 5453.6 5470.0 5476.3 5496.6 5531.5 5531.5 5524.0 5530.8 5556.0 5569.6 5578.9 5586.7 5608.4 Thk1000-850mb(m)1353.0 1341.5 1344.2 1331.5 1328.8 1335.6 1357.6 1359.0 1353.7 1356.6 1369.1 1362.9 1356.3 1356.6 1365.3 Thk850-700mb(m):1561.2 1549.7 1545.9 1544.7 1553.8 1562.0 1570.5 1574.7 1574.9 1576.0 1580.6 1584.3 1586.0 1587.8 1591.0 SWEAT Index: 254.3 170.3 103.8 58.9 51.5 36.3 37.5 31.9 25.4 31.7 37.6 31.9 19.8 31.6 35.7 Total Totals Idx 51.6 48.6 38.8 23.9 25.1 17.9 20.2 27.6 41.0 38.4 38.2 35.0 31.0 22.9 6.7 Frz Hgt(ft amsl) 7628 6636 6456 6209 7896 8750 9345 9611 9581 9776 10426 11110 11352 11607 11918 0WetBlbHgt(amsl) 7353 6575 5903 4578 4213 4169 4717 5256 5925 6706 6692 6156 5900 5558 5176 Equil Prs (mb): 461 651 575 795 998 998 994 993 992 993 992 994 994 995 993 Equil Hgt(amsl): 20214 11719 14979 6755 26 26 26 26 26 26 26 26 26 26 26 Hail Size(in): 0.03 0.05 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: 39.0 29.7 39.1 27.2 38.3 42.3 47.4 51.1 47.5 49.7 52.9 46.9 52.2 53.5 58.2 Showalter Index: 0.9 3.1 8.7 17.2 15.7 16.0 14.0 11.5 6.9 8.1 8.1 9.7 11.8 14.7 17.9 Cap Strength(C): 0.2 0.3 -1.5 0.0 -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): 245 288 300 317 334 358 163 164 103 68 22 41 329 323 320 Storm Spd (kts): 30 29 20 14 11 7 6 8 7 6 7 7 5 8 9 2m HeatIndex(F): 58 52 58 53 49 55 63 56 53 63 69 55 50 59 66 2m WindChill(F): 58 52 58 53 49 55 63 56 53 63 69 55 50 59 66 1000mb GPH (m): 75 118 160 189 188 185 149 145 140 145 135 152 157 162 148 950mb GPH (m): 508 545 591 615 612 611 583 576 569 578 573 584 585 592 584 950mb Temp (C): 11.9 9.0 10.8 7.8 6.9 7.4 13.3 13.1 11.8 12.4 16.2 14.1 12.3 11.8 14.7 950mb Dewpt(C): 10.8 8.9 7.8 6.2 4.5 4.9 3.8 -6.2 -4.3 -1.1 1.5 4.9 3.9 3.1 2.1 950mb RH (%): 93 99 82 89 84 84 52 25 32 39 36 53 56 55 42 950mb Dir: 201 213 271 283 2 14 13 79 80 69 334 19 348 230 308 950mb Speed(kt): 29 29 14 4 6 6 7 22 23 10 8 6 2 1 6 900mb GPH (m): 958 992 1038 1058 1054 1054 1034 1029 1019 1028 1029 1039 1038 1044 1038 900mb Temp (C): 8.4 6.8 6.2 4.1 4.1 5.7 9.6 11.7 10.8 10.3 12.0 12.5 11.8 11.9 12.0 900mb Dewpt(C): 8.3 6.6 5.9 2.6 -0.1 -3.0 -0.3 -19.0 -7.8 -6.7 -0.1 -1.7 -4.5 -8.0 -16.0 900mb RH (%): 99 98 98 90 74 53 50 10 26 29 43 37 31 24 13 900mb Dir: 211 233 272 289 345 22 53 96 96 87 359 41 331 266 291 900mb Speed(kt): 44 42 16 6 9 11 11 24 20 19 7 2 3 2 3 850mb GPH (m): 1428 1460 1504 1520 1517 1521 1507 1504 1494 1502 1504 1515 1513 1519 1513 850mb Temp (C): 5.5 3.9 2.9 2.1 3.1 5.7 8.0 9.3 8.8 8.8 9.5 9.5 9.0 9.5 10.3 850mb Dewpt(C): 4.7 3.7 1.4 -6.1 -11.9 -21.4 -21.8 -17.3 -4.8 -7.1 -6.9 -5.3 -5.6 -13.6 -26.8 850mb RH (%): 95 99 90 55 32 12 10 13 38 31 30 34 35 18 6 850mb Dir: 220 252 273 280 329 23 91 111 85 73 68 82 308 263 277 850mb Speed(kt): 47 45 22 11 12 9 12 9 8 10 9 3 2 3 5 800mb GPH (m): 1921 1950 1992 2007 2006 2014 2003 2002 1992 2000 2003 2014 2012 2019 2014 800mb Temp (C): 2.5 0.4 -0.2 -0.6 1.6 3.4 5.0 5.7 5.8 5.6 6.3 6.7 7.2 8.0 8.3 800mb Dewpt(C): 1.4 0.2 -2.7 -9.1 -21.4 -29.9 -28.7 -15.7 -15.6 -6.2 -7.9 -15.0 -27.9 -41.5 -22.0 800mb RH (%): 92 99 83 53 16 7 7 20 20 42 35 19 6 2 10 800mb Dir: 218 259 275 289 325 9 96 95 51 60 57 61 308 295 278 800mb Speed(kt): 45 41 26 16 12 9 8 3 4 5 3 2 3 6 8 750mb GPH (m): 2440 2465 2506 2520 2524 2533 2525 2525 2515 2524 2529 2541 2540 2548 2544 750mb Temp (C): -0.7 -2.5 -2.6 -2.5 -0.5 0.8 2.0 2.6 2.5 2.8 3.9 4.8 5.2 5.3 5.7 750mb Dewpt(C): -1.7 -2.7 -5.5 -25.4 -30.5 -33.5 -36.8 -36.1 -39.9 -33.1 -53.2 -38.0 -30.7 -25.6 -12.9 750mb RH (%): 93 98 81 16 8 6 4 4 3 5 1 3 6 9 25 750mb Dir: 217 257 271 292 314 355 84 150 125 109 5 3 310 280 284 750mb Speed(kt): 43 41 28 20 13 10 4 3 3 2 2 5 6 8 11 700mb GPH (m): 2990 3009 3050 3065 3071 3083 3077 3078 3069 3078 3084 3099 3099 3107 3104 700mb Temp (C): -2.4 -5.5 -6.1 -4.8 -3.4 -2.5 -1.4 -1.0 -0.9 -0.6 0.6 2.0 2.0 1.9 2.4 700mb Dewpt(C): -10.6 -5.7 -7.1 -39.2 -38.6 -38.0 -39.0 -42.0 -40.6 -38.5 -34.0 -29.8 -17.8 -20.3 -11.2 700mb RH (%): 53 98 93 5 5 5 4 3 3 4 6 8 21 18 36 700mb Dir: 219 265 267 297 306 337 125 196 232 312 340 358 305 268 292 700mb Speed(kt): 41 44 31 24 14 8 1 5 3 1 5 7 6 11 14 650mb GPH (m): 3574 3588 3626 3644 3653 3666 3663 3664 3655 3665 3675 3692 3692 3701 3700 650mb Temp (C): -6.2 -8.8 -9.7 -7.8 -6.2 -5.5 -4.8 -4.8 -4.9 -4.2 -3.0 -2.2 -1.3 -0.7 -0.3 650mb Dewpt(C): -16.1 -9.6 -19.1 -44.4 -40.4 -39.7 -39.7 -48.6 -31.3 -33.1 -21.4 -22.2 -25.5 -23.5 -3.8 650mb RH (%): 46 94 47 4 5 5 5 2 11 9 23 20 14 16 77 650mb Dir: 220 272 263 293 303 307 215 207 238 333 341 354 304 278 296 650mb Speed(kt): 42 46 36 27 17 8 4 7 5 5 10 10 8 15 16 600mb GPH (m): 4194 4203 4239 4262 4274 4289 4288 4288 4278 4291 4302 4321 4326 4336 4337 600mb Temp (C): -11.1 -12.6 -13.3 -9.9 -9.0 -8.3 -7.7 -8.6 -9.4 -8.3 -7.6 -6.3 -3.4 -4.1 -3.1 600mb Dewpt(C): -22.0 -14.0 -41.9 -48.6 -42.6 -38.3 -37.1 -29.7 -16.2 -23.5 -18.3 -29.3 -33.8 -9.2 -6.7 600mb RH (%): 41 90 8 3 5 7 8 17 58 29 42 15 8 67 76 600mb Dir: 219 275 261 293 296 280 224 212 292 344 341 350 298 292 289 600mb Speed(kt): 43 45 37 30 20 9 7 9 6 8 13 14 12 21 20 550mb GPH (m): 4854 4863 4898 4931 4943 4960 4959 4956 4946 4959 4972 4996 5006 5018 5021 550mb Temp (C): -16.7 -16.3 -15.5 -11.1 -12.1 -11.9 -11.8 -12.8 -13.3 -13.6 -12.6 -10.1 -9.0 -8.3 -7.6 550mb Dewpt(C): -34.4 -18.1 -61.6 -41.9 -36.2 -22.5 -23.0 -16.4 -17.2 -19.8 -27.6 -40.1 -32.3 -11.1 -11.2 550mb RH (%): 21 86 1 6 12 42 39 75 72 60 28 7 14 81 75 550mb Dir: 217 276 264 287 287 277 222 219 291 341 345 0 286 310 288 550mb Speed(kt): 43 40 37 35 24 13 11 10 11 9 16 21 14 24 23 500mb GPH (m): 5563 5573 5614 5659 5664 5682 5681 5676 5664 5676 5691 5722 5735 5749 5756 500mb Temp (C): -20.7 -20.5 -17.2 -14.0 -16.9 -16.8 -17.0 -17.7 -18.5 -18.4 -17.8 -15.4 -13.8 -13.5 -11.6 500mb Dewpt(C): -46.9 -22.6 -58.2 -36.6 -26.3 -33.0 -22.5 -19.6 -24.5 -24.4 -46.3 -41.4 -43.2 -16.4 -17.5 500mb RH (%): 8 83 2 13 45 24 63 85 60 60 7 9 7 79 62 500mb Dir: 212 278 278 274 275 269 224 219 269 315 350 27 277 308 291 500mb Speed(kt): 52 36 42 37 27 18 14 14 10 11 21 27 15 26 25 450mb GPH (m): 6334 6344 6400 6449 6446 6465 6463 6454 6442 6452 6468 6507 6525 6544 6556 450mb Temp (C): -25.9 -26.3 -19.7 -20.1 -22.6 -22.1 -22.9 -23.9 -23.7 -24.5 -23.9 -21.6 -20.0 -17.8 -16.4 450mb Dewpt(C): -48.5 -27.6 -54.4 -35.0 -25.0 -44.2 -32.8 -26.2 -31.6 -33.6 -48.6 -44.0 -29.9 -21.8 -23.2 450mb RH (%): 11 89 3 26 81 12 41 82 49 44 9 12 42 71 56 450mb Dir: 204 280 287 267 266 278 230 230 270 298 355 25 303 315 295 450mb Speed(kt): 59 31 51 40 32 19 20 20 13 13 25 30 20 28 29 400mb GPH (m): 7176 7184 7264 7309 7299 7320 7317 7304 7290 7297 7316 7363 7389 7414 7431 400mb Temp (C): -31.5 -32.7 -25.3 -27.4 -28.8 -27.9 -27.4 -29.5 -30.8 -31.4 -29.9 -27.7 -24.9 -24.0 -22.5 400mb Dewpt(C): -54.0 -35.0 -46.4 -44.9 -31.5 -45.8 -30.1 -32.4 -41.5 -35.6 -53.2 -45.5 -29.8 -29.3 -29.7 400mb RH (%): 10 80 13 18 78 17 79 77 36 67 9 18 65 62 53 400mb Dir: 199 289 290 268 256 265 236 224 267 269 2 10 328 317 294 400mb Speed(kt): 64 28 57 46 36 29 29 24 15 15 35 39 27 31 31 350mb GPH (m): 8108 8109 8217 8252 8238 8263 8263 8239 8220 8226 8253 8309 8344 8372 8395 350mb Temp (C): -37.2 -39.6 -32.9 -35.9 -36.6 -36.2 -34.6 -37.1 -38.6 -39.2 -36.6 -34.1 -32.5 -31.7 -30.2 350mb Dewpt(C): -64.3 -52.0 -49.0 -47.4 -40.2 -42.7 -37.9 -44.7 -47.9 -46.6 -59.9 -55.3 -38.1 -35.8 -40.5 350mb RH (%): 5 27 20 31 70 53 73 47 39 47 8 11 59 68 37 350mb Dir: 197 271 280 268 252 255 232 218 242 252 356 359 335 322 313 350mb Speed(kt): 68 23 58 48 43 38 34 31 21 20 46 50 39 36 31 300mb GPH (m): 9161 9158 9283 9303 9286 9313 9318 9291 9266 9270 9306 9370 9409 9440 9471 300mb Temp (C): -41.6 -41.4 -41.4 -44.5 -44.5 -45.0 -44.6 -43.6 -44.2 -43.7 -42.4 -42.6 -41.8 -41.8 -39.7 300mb Dewpt(C): -74.1 -67.9 -57.8 -53.7 -51.9 -49.9 -48.0 -57.9 -58.7 -66.2 -58.8 -52.0 -50.3 -45.3 -53.7 300mb RH (%): 2 5 17 37 45 59 70 21 20 8 17 37 41 70 23 300mb Dir: 200 259 270 258 254 253 224 221 228 261 356 350 342 324 317 300mb Speed(kt): 75 36 64 54 49 48 46 42 35 19 41 62 45 39 44 250mb GPH (m): 10387 10395 10498 10502 10492 10509 10514 10496 10473 10484 10520 10574 10614 10646 10689 250mb Temp (C): -45.0 -41.7 -47.5 -49.8 -48.9 -50.6 -51.3 -49.7 -48.8 -47.4 -48.0 -51.5 -52.5 -52.6 -50.3 250mb Dewpt(C): -76.2 -73.6 -61.8 -60.6 -61.2 -60.5 -60.0 -64.1 -66.0 -67.1 -66.1 -62.1 -61.9 -56.5 -56.5 250mb RH (%): 2 2 20 29 25 32 37 19 13 10 12 29 34 64 50 250mb Dir: 207 252 260 259 255 248 231 226 229 279 336 346 341 319 322 250mb Speed(kt): 72 46 60 61 55 55 52 46 42 18 31 64 52 39 54 200mb GPH (m): 11866 11892 11971 11966 11952 11964 11964 11953 11936 11952 11982 12013 12034 12064 12105 200mb Temp (C): -47.7 -45.5 -47.3 -48.1 -49.0 -49.5 -49.7 -49.6 -48.8 -48.5 -50.1 -51.9 -56.9 -56.7 -60.0 200mb Dewpt(C): -76.9 -81.0 -76.5 -75.7 -73.6 -75.7 -75.9 -76.0 -77.3 -76.8 -74.6 -73.7 -68.0 -67.4 -64.5 200mb RH (%): 3 1 3 3 5 4 4 4 3 3 5 7 26 27 58 200mb Dir: 215 259 267 256 255 248 240 235 248 279 310 313 330 318 312 200mb Speed(kt): 57 50 55 52 53 51 52 45 37 23 25 23 47 54 61 150mb GPH (m): 13750 13783 13848 13856 13832 13841 13843 13832 13816 13837 13864 13889 13883 13896 13903 150mb Temp (C): -51.0 -51.0 -53.3 -50.9 -51.5 -51.3 -51.2 -50.8 -50.8 -50.3 -50.0 -49.6 -52.2 -55.6 -57.2 150mb Dewpt(C): -86.3 -86.4 -83.4 -86.2 -86.5 -86.3 -82.2 -86.1 -86.2 -85.8 -85.5 -85.3 -82.5 -82.1 -83.5 150mb RH (%): 1 1 2 1 1 1 2 1 1 1 1 1 2 3 3 150mb Dir: 222 260 271 255 255 251 247 243 259 285 284 294 286 295 293 150mb Speed(kt): 46 46 47 49 46 44 43 40 33 29 29 29 36 39 43 100mb GPH (m): 16377 16407 16435 16451 16437 16450 16454 16448 16435 16446 16463 16484 16463 16468 16463 100mb Temp (C): -52.6 -52.9 -54.8 -56.4 -56.2 -55.3 -55.6 -54.2 -54.3 -54.8 -56.3 -57.6 -58.3 -58.2 -58.0 100mb Dewpt(C): -88.3 -87.6 -89.0 -90.1 -90.0 -89.3 -89.6 -88.5 -88.6 -89.0 -90.1 -90.3 -87.2 -87.1 -86.9 100mb RH (%): 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 100mb Dir: 227 243 267 265 261 258 256 247 273 272 287 283 270 272 266 100mb Speed(kt): 34 28 28 26 27 25 27 29 26 25 28 27 30 28 32