Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z AUG 29, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 993.8 994.8 994.6 995.9 996.1 997.1 993.6 992.3 988.9 987.6 985.0 986.3 986.6 987.5 987.4 Mean SLP (mb): 1018.1 1018.9 1018.6 1020.4 1020.7 1021.6 1017.5 1016.4 1013.1 1011.3 1008.3 1010.1 1010.7 1011.5 1011.2 2m agl Tmp (F): 55.8 62.6 64.7 54.8 50.6 54.3 67.1 57.5 54.0 71.3 78.5 64.0 57.6 59.8 65.4 2m agl Dewpt(F): 51.7 52.7 48.7 47.9 49.7 49.1 49.5 51.8 49.7 52.1 54.8 54.2 52.0 51.8 51.2 2m agl RH (%): 86 69 55 77 97 82 52 81 85 50 43 70 81 74 59 10m agl Dir: 199 236 287 332 288 322 319 345 38 33 300 307 252 244 221 10m agl Spd(kt): 3 6 7 3 0 1 6 3 3 3 7 4 1 3 6 6hr Precip (in): 0.00 0.02 0.01 0.00 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 0.02 0.03 0.03 0.03 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 Sfc CAPE (J/kg): 10.8 146.4 47.4 0.0 4.1 8.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 6.0 Sfc CINH (J/kg): -10.0 0.0 0.0 0.0 -0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -0.3 0-3km Hel(J/kg): 72.4 85.1 70.7 71.9 77.0 20.9 -5.3 52.8 69.8 95.7 133.5 148.1 41.3 2.7 -21.0 Precip H20 (in): 0.78 0.71 0.69 0.57 0.66 1.03 1.10 1.09 0.96 0.67 0.83 0.85 0.97 0.99 0.97 Lifted Index(C): 5.2 2.6 1.8 8.1 13.3 11.4 4.2 3.6 5.0 5.7 2.2 2.1 0.6 3.5 4.0 700mb VV(-ub/s): -0.2 -3.7 -2.7 -1.1 -0.7 -0.8 -2.4 -1.3 0.4 0.7 0.3 0.6 -1.2 -0.6 1.3 Thk1000-500mb(m)5507.5 5498.2 5514.9 5539.7 5570.0 5589.4 5633.0 5639.9 5651.4 5663.1 5673.7 5648.8 5618.3 5602.3 5585.8 Thk1000-850mb(m)1346.9 1350.4 1357.9 1346.7 1341.0 1343.0 1366.8 1369.4 1375.5 1385.3 1397.6 1381.8 1366.3 1359.8 1365.8 Thk850-700mb(m):1559.2 1556.3 1562.1 1573.0 1580.0 1590.7 1605.3 1611.4 1613.6 1614.5 1616.3 1611.8 1605.0 1597.7 1584.0 SWEAT Index: 147.6 114.1 103.0 60.1 57.1 50.0 110.6 85.0 70.8 33.7 35.7 66.7 165.4 133.7 120.6 Total Totals Idx 43.4 43.8 48.1 33.2 27.0 30.6 40.2 42.6 40.3 37.7 35.0 40.1 46.6 43.0 43.8 Frz Hgt(ft amsl) 7587 7675 8685 10311 11870 12509 12876 12835 12981 13118 12715 12725 12161 11797 11040 0WetBlbHgt(amsl) 7520 6735 6766 5780 6372 11169 10827 11076 10624 7889 10189 9353 7898 10456 9901 Equil Prs (mb): 723 603 742 996 996 997 994 992 989 988 985 986 987 988 987 Equil Hgt(amsl): 9195 13877 8584 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 0.15 0.16 0.14 0.00 0.00 Conv Wind Gust: 25.9 35.8 39.8 41.2 25.6 43.3 45.8 40.8 47.0 54.4 55.0 46.9 50.5 43.4 32.4 Showalter Index: 5.0 5.5 2.9 11.4 14.3 12.0 5.4 4.0 5.3 7.1 8.4 5.7 0.9 3.7 3.8 Cap Strength(C): 0.5 -999.9 0.0 -999.9 -999.9 0.0 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 291 326 339 357 359 359 337 299 248 220 239 236 241 238 246 Storm Spd (kts): 20 16 14 13 12 10 10 6 7 9 11 15 14 12 14 2m HeatIndex(F): 56 63 65 55 51 54 67 58 54 71 78 64 58 60 65 2m WindChill(F): 56 63 65 55 51 54 67 58 54 71 78 64 58 60 65 1000mb GPH (m): 151 159 157 170 171 179 149 138 109 97 72 86 90 97 96 950mb GPH (m): 581 592 593 599 596 605 585 571 542 536 519 524 522 529 533 950mb Temp (C): 9.9 11.7 13.4 10.3 8.4 7.8 14.5 13.8 14.9 17.2 21.6 16.9 13.3 11.9 14.9 950mb Dewpt(C): 9.2 9.8 7.7 7.2 8.2 7.6 8.4 9.9 8.8 9.5 11.2 11.8 10.3 9.5 9.7 950mb RH (%): 96 88 68 81 98 99 66 77 66 60 50 71 82 85 71 950mb Dir: 214 237 287 324 320 4 324 5 55 51 302 331 296 236 222 950mb Speed(kt): 8 8 10 10 4 3 7 10 5 4 7 12 4 3 8 900mb GPH (m): 1029 1041 1045 1047 1042 1051 1038 1027 1001 997 984 985 978 982 987 900mb Temp (C): 8.1 7.6 9.2 7.7 6.6 7.7 10.0 13.3 16.1 16.7 17.1 15.6 13.0 11.3 10.9 900mb Dewpt(C): 7.9 7.3 6.7 3.1 3.7 4.2 7.2 7.0 5.3 1.4 10.0 8.3 8.8 6.4 8.0 900mb RH (%): 98 98 84 73 82 78 82 65 48 35 62 61 76 71 82 900mb Dir: 254 262 288 292 320 349 332 27 75 88 309 233 285 286 234 900mb Speed(kt): 13 11 10 7 10 14 8 5 6 10 6 4 7 5 8 850mb GPH (m): 1498 1510 1515 1516 1512 1522 1515 1508 1485 1482 1470 1468 1456 1457 1462 850mb Temp (C): 5.3 4.3 5.0 6.2 6.9 7.6 11.2 13.2 14.5 15.3 15.5 13.9 9.9 8.0 7.6 850mb Dewpt(C): 5.0 3.1 4.2 -3.7 -3.6 -0.7 5.4 4.8 3.5 -1.2 -2.3 1.8 9.6 7.8 6.6 850mb RH (%): 98 92 94 49 47 55 67 56 47 31 29 43 98 99 93 850mb Dir: 270 295 284 281 315 335 9 58 108 122 171 218 263 272 257 850mb Speed(kt): 16 16 10 9 12 14 11 3 4 5 7 10 10 8 7 800mb GPH (m): 1991 2000 2008 2011 2008 2020 2021 2016 1995 1992 1981 1977 1961 1958 1960 800mb Temp (C): 2.3 1.4 2.2 4.4 5.5 6.9 9.8 11.8 12.0 12.5 13.2 12.9 10.6 9.8 5.8 800mb Dewpt(C): 2.2 -0.9 -1.4 -12.4 -8.6 -1.3 4.5 2.4 1.8 -7.3 -11.8 -11.5 -6.3 -6.8 0.4 800mb RH (%): 99 85 77 28 35 56 69 52 49 24 16 17 29 30 68 800mb Dir: 279 303 294 315 319 334 2 62 154 172 198 203 215 227 246 800mb Speed(kt): 19 18 13 12 15 16 11 1 4 8 13 13 15 19 16 750mb GPH (m): 2509 2517 2526 2534 2533 2550 2555 2553 2532 2529 2519 2514 2495 2492 2487 750mb Temp (C): -1.4 -0.7 0.3 2.7 4.0 5.6 7.8 8.3 8.8 9.5 9.4 8.4 8.7 7.0 4.5 750mb Dewpt(C): -1.8 -4.0 -9.6 -14.3 -19.2 2.5 0.5 0.5 -2.0 -27.1 -1.4 -0.9 -17.1 2.2 0.5 750mb RH (%): 97 78 47 27 17 80 59 57 46 6 46 52 14 71 75 750mb Dir: 289 303 309 326 319 338 348 288 191 188 205 206 217 219 231 750mb Speed(kt): 23 19 17 15 15 16 10 1 7 13 17 20 23 25 25 700mb GPH (m): 3057 3066 3078 3089 3092 3113 3121 3119 3099 3096 3086 3080 3061 3055 3046 700mb Temp (C): -3.2 -3.1 -1.1 0.2 2.4 3.6 4.5 4.5 5.2 5.8 4.7 5.0 4.3 2.9 1.3 700mb Dewpt(C): -8.0 -16.1 -21.7 -13.3 -24.0 -0.1 -3.0 -1.9 -3.8 -17.6 -4.7 -15.2 -0.9 0.0 -1.6 700mb RH (%): 70 36 19 35 12 76 58 63 52 17 50 22 69 81 81 700mb Dir: 278 308 319 329 321 338 326 245 212 194 200 204 210 202 218 700mb Speed(kt): 28 22 21 17 16 14 10 5 10 14 20 30 29 24 25 650mb GPH (m): 3642 3649 3665 3680 3687 3712 3721 3719 3700 3698 3686 3680 3660 3651 3639 650mb Temp (C): -4.7 -5.5 -4.2 -2.5 -0.3 0.6 1.3 1.3 1.8 2.0 1.3 1.5 0.3 -0.3 -1.1 650mb Dewpt(C): -34.7 -26.1 -19.2 -17.7 -23.2 -4.3 -4.7 -4.8 -6.9 -11.0 -14.0 -19.0 -10.9 -12.7 -14.4 650mb RH (%): 8 18 30 30 16 69 64 64 52 38 31 20 43 39 36 650mb Dir: 269 305 320 331 328 331 297 250 221 199 200 197 198 191 211 650mb Speed(kt): 34 24 25 21 19 14 14 9 14 14 22 34 27 24 24 600mb GPH (m): 4267 4272 4289 4309 4322 4349 4360 4358 4340 4338 4323 4317 4296 4286 4273 600mb Temp (C): -8.1 -8.9 -8.8 -6.1 -3.4 -3.2 -2.7 -3.0 -2.7 -2.2 -3.0 -3.3 -4.0 -3.9 -4.7 600mb Dewpt(C): -34.3 -31.0 -20.6 -22.2 -19.3 -8.5 -6.8 -7.8 -9.6 -12.6 -15.1 -14.4 -10.1 -19.4 -13.4 600mb RH (%): 11 15 38 27 28 67 73 69 59 45 39 42 62 29 51 600mb Dir: 259 303 314 333 335 322 281 249 229 203 202 196 197 194 209 600mb Speed(kt): 42 29 29 26 25 17 19 14 16 15 24 32 29 23 26 550mb GPH (m): 4937 4940 4957 4984 5005 5033 5045 5043 5024 5023 5008 5000 4977 4968 4952 550mb Temp (C): -11.8 -13.2 -13.7 -10.8 -7.4 -7.3 -7.0 -7.2 -7.2 -6.7 -6.3 -7.5 -8.5 -8.2 -8.8 550mb Dewpt(C): -42.1 -34.2 -25.1 -25.7 -12.1 -13.4 -10.1 -11.7 -12.7 -16.1 -26.6 -16.4 -14.1 -13.5 -16.6 550mb RH (%): 7 16 38 29 69 62 79 70 65 47 19 49 64 66 53 550mb Dir: 255 300 312 333 339 311 275 253 234 209 205 199 199 198 203 550mb Speed(kt): 49 37 31 33 32 19 22 20 19 20 23 29 31 24 27 500mb GPH (m): 5659 5657 5672 5709 5741 5768 5782 5778 5761 5760 5746 5735 5708 5699 5682 500mb Temp (C): -16.6 -18.2 -19.5 -15.3 -11.8 -11.9 -11.8 -12.3 -11.2 -11.8 -10.9 -12.2 -13.5 -13.6 -14.8 500mb Dewpt(C): -48.6 -37.6 -30.4 -34.0 -18.8 -16.0 -15.7 -16.7 -21.0 -17.2 -21.0 -17.8 -19.6 -17.6 -18.1 500mb RH (%): 5 17 38 19 56 72 73 70 44 64 44 64 61 72 76 500mb Dir: 249 297 316 335 336 312 270 259 242 213 209 201 204 195 193 500mb Speed(kt): 56 46 32 41 32 21 24 22 21 23 22 26 30 23 27 450mb GPH (m): 6443 6434 6445 6497 6538 6567 6581 6578 6562 6560 6546 6531 6501 6492 6470 450mb Temp (C): -21.3 -24.3 -25.8 -20.0 -17.6 -16.8 -16.3 -15.8 -15.5 -16.3 -16.7 -18.1 -19.1 -19.7 -20.6 450mb Dewpt(C): -43.9 -43.4 -41.1 -37.0 -26.0 -21.2 -20.5 -26.1 -27.4 -28.2 -21.8 -20.3 -26.4 -21.4 -29.6 450mb RH (%): 12 16 24 21 48 69 70 41 36 36 65 83 53 86 45 450mb Dir: 246 292 323 342 329 303 269 263 246 212 211 198 210 187 182 450mb Speed(kt): 64 50 37 52 34 25 28 25 21 23 24 27 27 22 28 400mb GPH (m): 7302 7281 7288 7362 7409 7441 7457 7456 7440 7435 7419 7400 7366 7354 7329 400mb Temp (C): -26.6 -30.7 -30.9 -24.5 -23.5 -22.8 -21.9 -21.6 -21.8 -22.3 -23.1 -24.4 -25.2 -26.2 -27.0 400mb Dewpt(C): -48.6 -48.9 -49.7 -38.4 -28.8 -26.3 -29.1 -27.4 -33.5 -30.9 -27.2 -29.5 -33.9 -31.9 -39.3 400mb RH (%): 12 16 15 28 62 74 53 60 35 46 69 63 45 60 31 400mb Dir: 246 283 330 347 325 297 275 270 244 215 208 196 208 186 177 400mb Speed(kt): 74 53 45 63 39 32 29 28 21 24 28 29 29 23 29 350mb GPH (m): 8253 8215 8225 8321 8371 8406 8427 8427 8408 8401 8382 8358 8321 8304 8277 350mb Temp (C): -32.9 -37.2 -35.1 -31.1 -30.7 -29.6 -28.2 -27.8 -29.1 -29.5 -30.2 -31.3 -32.9 -33.2 -33.6 350mb Dewpt(C): -49.6 -54.3 -59.3 -42.9 -37.8 -33.0 -35.5 -35.4 -37.6 -36.7 -37.1 -35.2 -37.1 -36.6 -38.7 350mb RH (%): 19 17 8 32 51 73 51 49 45 51 52 70 67 72 61 350mb Dir: 246 270 339 348 327 288 281 261 242 211 205 195 200 186 177 350mb Speed(kt): 84 53 60 68 42 36 33 28 25 27 33 33 33 29 27 300mb GPH (m): 9321 9267 9289 9396 9448 9487 9512 9514 9493 9481 9459 9429 9386 9367 9338 300mb Temp (C): -40.1 -42.4 -39.8 -39.4 -38.4 -38.2 -37.7 -36.9 -37.1 -38.5 -38.7 -40.1 -41.7 -42.2 -42.9 300mb Dewpt(C): -54.7 -57.3 -62.8 -47.2 -50.3 -42.6 -46.5 -43.9 -49.8 -42.1 -44.8 -44.1 -45.5 -45.7 -47.6 300mb RH (%): 21 20 8 45 29 65 41 50 27 69 54 67 68 69 61 300mb Dir: 248 257 344 348 337 291 287 251 240 210 200 194 195 184 171 300mb Speed(kt): 86 61 68 72 50 38 39 28 29 29 37 41 38 39 34 250mb GPH (m): 10549 10492 10521 10618 10673 10713 10742 10746 10723 10708 10684 10645 10594 10575 10542 250mb Temp (C): -45.8 -43.3 -44.0 -48.1 -48.6 -48.7 -47.9 -47.7 -47.9 -47.8 -48.6 -50.3 -50.2 -51.5 -51.7 250mb Dewpt(C): -64.9 -68.6 -69.5 -57.7 -56.8 -54.5 -55.1 -52.6 -51.4 -57.0 -53.3 -54.4 -55.5 -55.3 -57.1 250mb RH (%): 11 5 5 34 40 53 45 58 68 36 60 63 56 65 54 250mb Dir: 248 262 331 344 328 303 289 266 233 216 198 188 194 185 178 250mb Speed(kt): 76 50 54 74 56 46 41 30 32 35 47 51 41 42 28 200mb GPH (m): 12014 11987 12009 12061 12108 12143 12175 12181 12158 12144 12115 12075 12029 11995 11967 200mb Temp (C): -49.2 -45.7 -45.9 -53.9 -56.6 -58.4 -58.0 -58.0 -57.8 -58.2 -58.4 -56.1 -56.6 -57.2 -56.0 200mb Dewpt(C): -73.3 -81.4 -77.8 -68.0 -65.3 -62.3 -62.9 -63.8 -64.6 -64.5 -64.6 -69.2 -66.3 -64.8 -67.8 200mb RH (%): 5 1 2 18 35 63 56 50 44 47 47 20 31 40 24 200mb Dir: 252 270 320 343 322 305 292 278 237 211 198 194 194 188 195 200mb Speed(kt): 67 40 39 56 60 56 51 41 38 44 53 45 49 33 23 150mb GPH (m): 13902 13888 13905 13922 13934 13955 13976 13974 13953 13946 13927 13906 13863 13837 13818 150mb Temp (C): -49.1 -48.5 -49.6 -52.6 -56.2 -56.9 -59.1 -60.5 -60.6 -58.7 -56.0 -54.9 -53.1 -51.7 -50.9 150mb Dewpt(C): -84.9 -84.5 -85.4 -86.6 -80.7 -77.5 -76.6 -75.1 -76.6 -79.4 -82.9 -79.9 -83.9 -86.7 -86.2 150mb RH (%): 1 1 1 1 4 7 11 15 13 7 3 4 2 1 1 150mb Dir: 257 259 293 314 318 292 276 268 244 219 216 211 206 200 212 150mb Speed(kt): 41 26 28 27 39 32 39 37 34 33 34 34 38 25 29 100mb GPH (m): 16533 16529 16545 16534 16519 16523 16532 16530 16504 16509 16506 16500 16465 16459 16458 100mb Temp (C): -52.7 -52.0 -52.0 -53.0 -53.9 -55.9 -55.9 -56.5 -56.1 -55.7 -55.0 -54.5 -54.2 -52.8 -51.5 100mb Dewpt(C): -87.5 -87.0 -82.5 -87.7 -88.4 -85.3 -89.8 -90.2 -85.5 -89.6 -89.1 -88.7 -88.6 -87.5 -86.6 100mb RH (%): 1 1 2 1 1 2 1 1 2 1 1 1 1 1 1 100mb Dir: 257 245 243 268 265 261 282 234 254 230 229 222 225 212 224 100mb Speed(kt): 25 18 18 19 13 22 18 22 23 20 25 25 25 26 28