Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z SEP 27, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 993.0 992.1 989.8 990.1 988.3 990.7 992.1 993.7 993.2 992.7 992.1 992.6 991.8 992.3 993.4 Mean SLP (mb): 1016.9 1016.3 1014.2 1014.1 1012.0 1014.8 1016.6 1018.0 1017.2 1017.0 1016.6 1016.9 1015.9 1016.5 1017.6 2m agl Tmp (F): 65.8 58.8 57.2 64.4 71.0 58.4 50.9 57.3 63.0 56.4 53.1 58.6 60.9 59.4 56.8 2m agl Dewpt(F): 48.3 38.3 31.5 39.6 41.2 45.0 45.2 46.6 40.7 40.3 39.8 46.3 51.0 54.3 55.4 2m agl RH (%): 52 46 37 39 33 60 80 67 43 54 60 63 69 83 95 10m agl Dir: 338 61 68 74 358 339 178 251 295 126 148 193 193 195 184 10m agl Spd(kt): 5 7 8 8 4 2 2 3 4 2 2 5 4 3 3 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 0.02 0.02 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 0.02 0.05 Sfc CAPE (J/kg): 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.5 0.0 1.8 Sfc CINH (J/kg): -0.1 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 -2.1 0-3km Hel(J/kg): 66.0 141.8 176.2 97.3 4.3 18.2 35.1 25.9 59.2 115.6 139.4 102.5 121.5 122.3 100.8 Precip H20 (in): 0.53 0.44 0.60 0.65 0.69 0.71 0.50 0.48 0.66 0.85 0.84 0.92 1.13 1.17 1.13 Lifted Index(C): 4.1 5.2 4.4 5.2 4.8 5.4 11.8 13.9 14.7 13.2 15.0 10.0 8.7 7.5 8.4 700mb VV(-ub/s): -1.6 0.0 1.7 -0.5 -0.2 -1.0 -1.7 -0.3 0.4 -1.3 -1.7 0.3 -1.0 -2.1 -0.2 Thk1000-500mb(m)5545.1 5552.2 5548.9 5548.0 5568.7 5566.9 5572.3 5577.6 5595.5 5614.3 5616.1 5619.7 5619.1 5618.0 5611.5 Thk1000-850mb(m)1363.3 1364.7 1361.1 1363.3 1375.9 1367.0 1355.7 1352.1 1357.8 1356.3 1352.4 1351.2 1359.3 1360.2 1357.2 Thk850-700mb(m):1570.4 1578.4 1581.9 1582.6 1584.7 1583.5 1583.0 1583.5 1583.6 1590.9 1594.1 1595.0 1591.1 1590.5 1585.0 SWEAT Index: 62.2 34.7 30.4 27.1 26.4 12.9 31.2 38.1 39.6 47.4 55.5 135.8 145.9 179.3 143.1 Total Totals Idx 42.1 43.7 44.9 42.9 43.0 40.8 31.6 19.7 6.1 28.4 24.8 32.8 33.2 35.5 33.7 Frz Hgt(ft amsl) 9483 10056 9606 9768 9860 10424 11016 11257 11455 12943 12731 13219 12724 12718 13101 0WetBlbHgt(amsl) 6126 6406 8750 8760 8759 8557 7199 5265 4670 11067 10960 7930 10808 11207 10807 Equil Prs (mb): 993 992 990 990 988 991 992 994 993 993 992 993 992 992 993 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: 40.2 49.0 45.3 47.1 47.6 36.9 46.0 52.8 58.6 52.2 55.2 51.9 30.3 17.5 15.5 Showalter Index: 5.9 5.1 4.4 5.6 5.4 6.5 11.4 17.0 20.0 12.8 14.9 9.5 9.1 7.0 8.8 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): 178 171 180 170 4 354 342 324 323 311 299 290 298 296 306 Storm Spd (kts): 5 9 10 7 4 4 7 8 10 11 13 15 17 18 16 2m HeatIndex(F): 66 59 57 64 71 58 51 57 63 56 53 59 61 59 57 2m WindChill(F): 66 59 57 64 71 58 51 57 63 56 53 59 61 59 57 1000mb GPH (m): 144 137 118 119 103 125 138 150 146 142 138 141 134 138 148 950mb GPH (m): 580 570 549 554 543 559 566 579 579 573 566 571 568 571 579 950mb Temp (C): 14.4 14.5 12.9 13.5 18.0 14.6 11.8 10.4 12.9 12.3 11.3 10.2 12.1 11.9 12.1 950mb Dewpt(C): 8.3 -2.4 -1.0 2.3 3.5 7.3 6.0 3.4 3.2 0.5 3.1 5.9 9.7 11.6 12.0 950mb RH (%): 66 30 38 46 37 61 67 61 51 44 56 74 85 98 99 950mb Dir: 353 83 84 80 5 352 321 261 296 169 201 192 202 216 220 950mb Speed(kt): 6 23 26 14 4 8 6 2 5 2 7 6 8 11 8 900mb GPH (m): 1034 1025 1002 1006 1001 1015 1018 1029 1030 1024 1017 1020 1019 1023 1031 900mb Temp (C): 10.6 12.6 12.5 11.7 13.4 12.8 11.6 10.6 10.4 9.7 9.9 8.8 10.2 10.4 10.0 900mb Dewpt(C): 6.0 -2.9 -3.7 -2.8 2.4 3.0 -2.7 -10.2 -12.0 2.0 -5.5 7.1 9.8 10.2 9.7 900mb RH (%): 73 33 32 36 47 50 36 22 19 58 33 89 97 99 98 900mb Dir: 37 102 106 98 18 20 316 307 297 236 227 244 244 245 274 900mb Speed(kt): 8 24 25 23 5 3 6 6 8 8 12 11 15 12 7 850mb GPH (m): 1507 1502 1479 1482 1479 1492 1493 1503 1503 1498 1490 1492 1494 1498 1505 850mb Temp (C): 7.2 9.6 10.4 10.3 10.1 9.9 8.7 8.2 9.1 9.8 8.8 7.4 8.8 8.9 7.7 850mb Dewpt(C): 2.2 -1.2 -2.0 -3.7 -1.8 -1.3 -1.5 -12.0 -23.9 -1.6 -2.7 6.2 6.3 8.7 6.8 850mb RH (%): 70 46 41 37 43 45 48 22 8 44 44 92 84 98 94 850mb Dir: 87 127 124 111 67 87 297 295 286 273 251 262 262 268 292 850mb Speed(kt): 11 11 8 8 11 2 5 7 11 13 14 14 16 15 10 800mb GPH (m): 2003 2001 1980 1983 1979 1992 1992 2001 2003 1999 1990 1991 1994 1999 2003 800mb Temp (C): 4.7 6.0 6.8 7.3 7.2 7.1 6.5 7.2 7.1 7.6 8.0 7.1 6.3 6.0 5.1 800mb Dewpt(C): -13.2 -10.6 -1.8 -2.3 -3.0 -2.3 -3.0 -37.0 -3.5 -7.8 -6.3 1.7 5.3 5.5 4.7 800mb RH (%): 26 29 54 50 48 51 50 3 47 32 35 68 93 97 97 800mb Dir: 111 139 101 90 85 237 281 301 294 275 257 259 277 267 288 800mb Speed(kt): 9 6 3 3 4 1 7 8 13 17 16 20 17 19 13 750mb GPH (m): 2525 2525 2506 2510 2507 2519 2519 2528 2530 2528 2521 2522 2523 2526 2528 750mb Temp (C): 2.0 3.3 2.8 3.4 3.6 3.5 3.9 4.6 3.9 5.2 6.0 7.8 5.3 4.9 4.5 750mb Dewpt(C): -31.2 -29.1 0.8 -1.0 -1.9 -1.7 -18.5 -26.1 -7.7 0.9 2.0 -18.0 4.1 -0.8 0.9 750mb RH (%): 7 7 87 73 67 69 18 9 42 73 75 14 92 66 77 750mb Dir: 102 168 184 166 249 244 279 294 288 287 261 261 278 269 275 750mb Speed(kt): 5 8 9 5 2 4 8 10 15 19 17 22 23 23 20 700mb GPH (m): 3078 3080 3061 3065 3063 3075 3076 3086 3087 3089 3084 3087 3085 3089 3090 700mb Temp (C): -1.0 -0.1 -0.9 -0.6 -0.4 0.6 1.4 1.6 1.5 2.8 3.9 5.0 3.5 4.1 3.8 700mb Dewpt(C): -45.2 -35.1 -9.8 -5.8 -3.9 -14.2 -16.9 -20.5 -15.7 -0.4 -1.0 -6.7 -0.4 -0.3 -1.2 700mb RH (%): 2 5 51 68 77 32 24 18 27 79 70 42 76 73 70 700mb Dir: 144 182 199 181 216 260 289 281 283 290 279 259 275 271 272 700mb Speed(kt): 3 9 12 10 6 4 10 12 20 20 20 24 29 30 27 650mb GPH (m): 3664 3668 3649 3653 3652 3667 3669 3679 3682 3687 3683 3687 3684 3688 3690 650mb Temp (C): -3.9 -3.5 -3.6 -3.8 -3.4 -3.0 -1.5 -1.2 -0.7 0.9 1.0 1.3 0.9 0.7 1.8 650mb Dewpt(C): -43.5 -31.1 -27.0 -22.2 -14.7 -10.0 -24.8 -19.9 -3.1 -3.6 -5.3 -8.9 -7.4 -3.8 -8.0 650mb RH (%): 3 10 15 23 41 59 15 23 84 72 62 46 53 72 48 650mb Dir: 219 183 208 196 221 291 298 275 290 287 289 263 273 272 277 650mb Speed(kt): 4 10 12 7 6 6 10 14 20 21 23 26 29 33 30 600mb GPH (m): 4292 4296 4276 4279 4280 4295 4300 4313 4318 4328 4322 4328 4323 4327 4331 600mb Temp (C): -6.6 -6.9 -7.5 -8.1 -7.3 -7.1 -5.7 -4.6 -3.3 -1.3 -2.3 -1.2 -2.1 -1.7 -2.0 600mb Dewpt(C): -37.2 -26.1 -17.3 -12.5 -15.0 -14.4 -26.3 -9.7 -6.7 -9.5 -8.4 -14.5 -10.6 -12.1 -12.3 600mb RH (%): 7 21 46 71 54 56 18 67 77 53 63 36 52 45 45 600mb Dir: 234 190 203 218 235 306 316 288 299 278 292 265 272 276 279 600mb Speed(kt): 5 11 12 6 5 5 13 18 20 19 23 29 34 34 33 550mb GPH (m): 4965 4968 4948 4948 4951 4968 4977 4993 5003 5017 5011 5017 5011 5014 5017 550mb Temp (C): -10.8 -11.8 -12.1 -13.4 -12.7 -11.3 -8.8 -8.2 -6.9 -5.7 -4.8 -4.6 -5.0 -5.3 -5.4 550mb Dewpt(C): -33.0 -20.5 -21.3 -14.7 -16.8 -20.4 -41.6 -11.0 -11.8 -12.5 -11.2 -11.5 -17.8 -25.3 -21.3 550mb RH (%): 15 49 47 90 72 47 5 80 68 58 61 59 36 19 28 550mb Dir: 226 206 200 213 254 330 333 302 301 280 283 267 271 271 279 550mb Speed(kt): 8 11 13 10 4 7 16 19 15 19 23 30 38 37 36 500mb GPH (m): 5689 5689 5667 5667 5671 5692 5710 5728 5741 5756 5754 5761 5753 5756 5759 500mb Temp (C): -16.4 -17.6 -18.2 -18.2 -17.4 -16.0 -12.2 -11.8 -10.4 -10.1 -9.3 -9.6 -9.1 -8.9 -9.7 500mb Dewpt(C): -29.3 -22.3 -20.6 -20.6 -24.7 -29.6 -41.7 -17.8 -16.7 -18.5 -16.6 -16.5 -28.3 -27.3 -17.4 500mb RH (%): 33 67 82 81 53 31 7 61 60 51 56 57 20 21 54 500mb Dir: 227 204 208 214 328 348 336 311 301 296 278 269 271 267 279 500mb Speed(kt): 13 12 14 11 5 10 21 25 18 22 27 34 39 45 42 450mb GPH (m): 6471 6471 6447 6445 6452 6476 6505 6526 6543 6561 6560 6565 6559 6563 6563 450mb Temp (C): -22.3 -21.9 -22.7 -24.1 -23.1 -21.3 -18.5 -17.0 -16.0 -14.6 -14.7 -15.6 -15.1 -14.6 -15.2 450mb Dewpt(C): -35.9 -24.0 -24.7 -31.5 -36.0 -41.6 -32.7 -23.2 -22.7 -26.3 -23.1 -19.6 -21.9 -23.3 -26.3 450mb RH (%): 29 83 84 52 31 15 28 59 57 37 49 71 57 48 39 450mb Dir: 239 208 209 215 333 355 333 321 300 297 274 271 273 269 276 450mb Speed(kt): 19 19 16 12 7 16 23 23 22 23 31 37 46 46 43 400mb GPH (m): 7326 7327 7298 7294 7304 7336 7372 7400 7418 7442 7440 7443 7438 7442 7442 400mb Temp (C): -28.0 -28.1 -29.4 -29.1 -28.7 -25.7 -24.5 -22.7 -22.5 -21.3 -20.9 -21.1 -21.5 -21.7 -21.5 400mb Dewpt(C): -36.5 -30.9 -34.4 -54.1 -52.0 -53.4 -36.7 -35.1 -29.7 -32.2 -31.8 -26.2 -26.3 -25.5 -31.4 400mb RH (%): 45 77 63 8 10 6 33 32 53 38 38 64 66 72 42 400mb Dir: 244 221 209 208 276 12 337 324 308 293 275 267 276 273 273 400mb Speed(kt): 25 23 21 19 10 38 24 26 28 26 33 39 48 50 44 350mb GPH (m): 8267 8268 8239 8234 8243 8288 8328 8362 8384 8408 8409 8414 8408 8411 8412 350mb Temp (C): -36.2 -36.4 -35.4 -36.1 -36.0 -33.6 -32.2 -31.2 -29.8 -29.9 -29.4 -28.1 -27.7 -28.5 -28.1 350mb Dewpt(C): -43.2 -39.9 -58.1 -52.2 -55.5 -45.3 -39.3 -41.8 -43.2 -36.5 -33.6 -31.8 -33.5 -33.0 -43.8 350mb RH (%): 50 71 9 19 13 32 50 36 27 54 68 71 58 66 22 350mb Dir: 243 221 218 207 256 9 338 332 322 301 278 267 272 278 273 350mb Speed(kt): 31 24 31 31 12 54 36 34 30 28 35 38 50 51 46 300mb GPH (m): 9317 9318 9292 9285 9297 9349 9396 9435 9460 9486 9491 9501 9498 9495 9495 300mb Temp (C): -45.1 -44.5 -44.2 -44.4 -43.3 -42.4 -41.3 -40.4 -39.5 -39.3 -38.1 -37.1 -36.3 -37.6 -38.0 300mb Dewpt(C): -50.4 -48.3 -59.4 -54.1 -60.3 -60.7 -49.1 -49.3 -49.4 -48.2 -41.3 -41.0 -42.9 -47.7 -43.3 300mb RH (%): 57 67 19 35 15 13 44 40 36 40 73 68 52 35 59 300mb Dir: 236 226 214 205 264 3 346 330 320 315 290 281 272 280 277 300mb Speed(kt): 46 37 38 43 11 51 51 42 37 33 45 48 52 53 54 250mb GPH (m): 10508 10514 10490 10486 10506 10557 10605 10648 10677 10706 10715 10733 10736 10726 10723 250mb Temp (C): -53.1 -52.3 -51.4 -50.2 -48.5 -50.5 -51.3 -51.1 -50.5 -50.2 -49.5 -47.6 -46.1 -47.1 -48.1 250mb Dewpt(C): -58.6 -57.6 -63.0 -64.8 -66.4 -61.2 -59.7 -55.8 -58.9 -54.4 -53.1 -51.2 -53.0 -51.1 -52.6 250mb RH (%): 53 55 26 18 12 29 39 59 38 63 67 68 47 65 61 250mb Dir: 240 231 215 215 293 357 343 325 322 310 293 287 277 275 273 250mb Speed(kt): 55 48 43 33 12 65 68 57 45 48 51 59 57 59 60 200mb GPH (m): 11945 11952 11936 11942 11969 12001 12030 12069 12099 12124 12137 12165 12176 12164 12155 200mb Temp (C): -51.2 -51.1 -50.6 -49.1 -49.2 -50.7 -57.4 -57.4 -58.2 -59.5 -60.1 -58.9 -58.6 -58.1 -59.5 200mb Dewpt(C): -74.1 -75.4 -76.6 -77.6 -77.6 -76.0 -68.5 -65.9 -65.8 -64.0 -63.3 -64.3 -61.2 -61.8 -63.5 200mb RH (%): 6 5 4 3 3 4 25 36 40 58 67 52 73 64 62 200mb Dir: 243 238 234 247 289 321 323 312 311 311 303 296 280 269 274 200mb Speed(kt): 43 45 40 24 19 25 40 48 53 64 69 70 63 64 71 150mb GPH (m): 13825 13828 13810 13824 13846 13871 13872 13901 13915 13932 13924 13950 13959 13957 13942 150mb Temp (C): -50.5 -51.1 -50.7 -50.6 -51.2 -51.2 -51.6 -54.6 -56.7 -56.5 -59.2 -61.9 -61.9 -59.5 -61.4 150mb Dewpt(C): -85.9 -86.4 -86.1 -86.0 -86.4 -86.5 -87.0 -83.7 -79.8 -81.4 -81.5 -77.9 -77.2 -82.1 -80.2 150mb RH (%): 1 1 1 1 1 1 1 2 5 4 5 12 14 5 8 150mb Dir: 246 245 246 269 271 285 268 303 293 288 294 293 277 273 279 150mb Speed(kt): 44 44 33 25 22 27 24 35 44 44 49 63 68 63 66 100mb GPH (m): 16440 16441 16429 16439 16449 16471 16462 16478 16478 16483 16462 16472 16477 16479 16465 100mb Temp (C): -55.4 -54.8 -54.0 -54.5 -55.6 -56.5 -57.5 -58.5 -58.2 -59.4 -59.7 -60.6 -61.5 -61.7 -61.0 100mb Dewpt(C): -89.4 -88.9 -83.9 -88.8 -85.1 -90.2 -86.3 -87.3 -87.1 -88.0 -88.1 -88.9 -86.8 -85.3 -84.4 100mb RH (%): 1 1 2 1 2 1 2 2 2 2 2 2 3 4 4 100mb Dir: 248 250 256 275 268 274 276 266 268 280 274 267 259 258 270 100mb Speed(kt): 28 27 25 21 20 23 29 28 40 32 33 33 42 48 54