Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z SEP 2, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 985.6 983.0 982.6 984.8 984.5 985.6 985.3 984.6 985.8 988.3 989.2 991.9 993.1 993.8 992.1 Mean SLP (mb): 1009.7 1007.0 1006.6 1009.0 1008.8 1009.9 1009.6 1008.9 1010.2 1012.5 1013.3 1016.1 1017.4 1018.0 1015.9 2m agl Tmp (F): 59.1 62.0 58.6 54.1 52.7 51.4 51.8 51.5 52.6 53.5 59.2 56.6 54.5 60.7 69.8 2m agl Dewpt(F): 52.4 50.0 55.2 50.3 48.2 48.5 50.1 50.6 50.9 52.4 53.9 53.1 52.3 52.1 49.7 2m agl RH (%): 78 64 88 87 84 90 94 97 94 96 82 88 92 72 48 10m agl Dir: 145 189 216 185 182 154 144 98 170 170 187 189 142 27 328 10m agl Spd(kt): 3 12 9 9 10 7 6 6 5 4 5 4 2 3 5 6hr Precip (in): 0.00 0.03 0.41 0.03 0.02 0.07 0.08 0.14 0.19 0.07 0.10 0.03 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.03 0.44 0.47 0.49 0.57 0.65 0.79 0.97 1.05 1.14 1.18 1.18 1.18 1.18 Sfc CAPE (J/kg): 14.9 82.6 255.0 30.9 30.6 9.9 18.1 0.0 26.6 60.3 260.2 128.9 42.6 9.8 3.0 Sfc CINH (J/kg): -17.1 0.0 0.0 -1.4 -2.0 -1.0 -2.3 -5.6 -19.8 -10.3 -0.1 0.0 -1.8 -2.5 0.0 0-3km Hel(J/kg): 87.9 19.7 48.2 126.5 109.6 99.5 95.7 150.8 34.7 34.3 41.4 20.1 14.6 -3.1 6.6 Precip H20 (in): 1.03 1.02 0.76 0.83 0.73 0.84 0.82 0.91 0.81 0.83 0.86 0.88 0.76 0.74 0.73 Lifted Index(C): 0.7 4.7 1.0 1.9 2.2 1.5 1.7 0.2 0.4 -0.5 -0.7 -0.2 6.3 5.8 3.9 700mb VV(-ub/s): 2.0 -2.9 1.7 -0.4 -0.2 3.5 1.7 19.7 0.4 -1.9 2.1 -1.3 -1.3 -0.9 -0.4 Thk1000-500mb(m)5521.1 5530.9 5502.0 5468.4 5449.1 5442.0 5447.0 5464.4 5462.3 5466.7 5481.1 5482.0 5498.5 5526.7 5566.4 Thk1000-850mb(m)1357.1 1358.4 1353.7 1343.6 1339.4 1338.3 1339.3 1342.6 1342.1 1345.7 1350.8 1348.4 1343.9 1350.8 1371.5 Thk850-700mb(m):1567.7 1561.6 1561.8 1555.5 1549.0 1548.6 1551.1 1558.6 1554.8 1555.7 1560.0 1559.9 1559.2 1566.3 1576.6 SWEAT Index: 145.7 278.7 139.2 247.7 115.0 189.1 151.4 191.3 98.4 195.2 139.8 119.2 62.8 50.2 51.3 Total Totals Idx 47.5 42.0 45.7 50.7 48.2 53.0 51.6 53.4 50.9 54.5 52.0 51.2 39.3 39.4 42.0 Frz Hgt(ft amsl) 8293 7755 8162 7042 6212 6493 6619 7410 7218 7288 7689 7859 7924 9109 10269 0WetBlbHgt(amsl) 8279 7554 6333 6988 5804 6418 6530 7363 6839 7108 7159 7245 6935 7228 7870 Equil Prs (mb): 686 655 490 715 760 677 618 985 680 449 440 466 774 761 745 Equil Hgt(amsl): 10390 11499 18738 9215 7581 10590 12892 26 10516 20859 21407 20101 7384 7877 8461 Hail Size(in): 0.11 -0.03 0.09 -0.11 0.00 0.00 -0.02 -0.04 0.03 0.18 0.14 0.09 0.00 0.00 0.00 Conv Wind Gust: 31.2 38.0 38.1 24.5 30.1 22.5 21.5 16.5 20.2 18.9 30.3 24.5 19.4 29.1 41.7 Showalter Index: 2.5 5.6 4.1 1.8 4.2 1.1 1.8 0.1 2.3 -0.4 0.9 1.5 7.8 7.6 5.5 Cap Strength(C): 0.0 -1.3 0.0 -0.2 0.5 0.3 -0.1 -999.9 0.3 0.1 -999.9 -0.7 -0.2 -999.9 0.0 Storm Dir (deg): 234 232 251 262 243 231 230 232 254 266 281 302 342 27 57 Storm Spd (kts): 16 25 24 16 16 15 13 8 6 7 6 6 6 5 4 2m HeatIndex(F): 59 62 59 54 53 51 52 51 53 53 59 57 55 61 70 2m WindChill(F): 59 62 59 54 53 51 52 51 53 53 59 57 55 61 70 1000mb GPH (m): 81 59 55 75 73 82 80 74 84 105 112 135 145 151 136 950mb GPH (m): 514 494 488 504 500 509 507 501 512 533 544 566 574 583 575 950mb Temp (C): 12.8 13.8 11.8 9.8 8.8 8.6 8.5 9.1 9.5 9.7 11.3 10.7 9.7 11.0 16.4 950mb Dewpt(C): 11.5 8.5 11.5 8.9 8.2 8.0 8.2 8.9 9.3 9.5 10.3 10.1 8.2 8.0 8.1 950mb RH (%): 92 70 98 94 96 97 98 99 98 98 93 96 90 81 57 950mb Dir: 179 193 217 192 186 171 152 122 189 187 185 211 170 40 336 950mb Speed(kt): 8 22 16 18 18 14 13 12 12 9 7 10 5 3 5 900mb GPH (m): 967 946 939 951 946 954 952 948 960 981 993 1014 1020 1032 1031 900mb Temp (C): 9.4 9.6 8.5 6.6 6.7 5.9 6.4 7.1 7.2 7.7 7.9 7.7 6.7 8.5 12.0 900mb Dewpt(C): 9.0 7.5 8.3 6.3 3.8 5.7 6.1 6.9 6.0 7.5 7.4 7.3 5.5 3.8 7.0 900mb RH (%): 97 87 99 98 82 98 98 99 92 99 97 97 92 72 71 900mb Dir: 211 194 238 205 204 199 190 177 211 228 200 220 161 127 353 900mb Speed(kt): 18 32 26 27 29 29 25 18 14 12 10 11 2 3 5 850mb GPH (m): 1438 1417 1409 1419 1412 1420 1419 1417 1426 1450 1463 1483 1489 1502 1507 850mb Temp (C): 6.2 5.4 5.6 4.2 3.1 3.4 3.5 5.0 3.3 4.9 5.2 4.6 4.8 5.6 8.7 850mb Dewpt(C): 6.0 5.2 4.0 4.1 0.3 3.3 3.3 4.8 2.9 4.6 4.2 4.0 2.1 2.0 2.8 850mb RH (%): 98 99 89 99 81 99 99 99 97 98 93 96 82 78 66 850mb Dir: 215 196 245 223 214 215 212 211 188 210 224 209 209 126 97 850mb Speed(kt): 23 38 25 25 28 26 24 20 9 10 9 5 4 6 5 800mb GPH (m): 1934 1910 1902 1910 1901 1910 1909 1910 1918 1942 1955 1975 1981 1995 2005 800mb Temp (C): 3.9 2.4 2.0 1.6 0.0 0.4 0.5 2.4 1.5 1.6 2.4 2.2 1.7 3.0 5.1 800mb Dewpt(C): 3.7 2.1 -1.7 1.4 -1.2 0.1 0.3 2.1 0.3 1.4 0.8 0.7 -0.2 -0.5 -0.4 800mb RH (%): 99 98 76 99 92 98 98 98 92 99 89 90 87 78 67 800mb Dir: 212 194 224 229 211 207 200 214 194 211 234 221 203 133 168 800mb Speed(kt): 23 44 40 24 25 22 20 13 9 13 9 5 5 7 9 750mb GPH (m): 2455 2430 2421 2427 2416 2425 2425 2428 2435 2460 2474 2494 2499 2516 2529 750mb Temp (C): 0.4 -0.4 0.4 -1.9 -2.2 -2.6 -2.0 -1.2 -1.3 -1.3 -0.8 -0.5 -0.3 1.0 2.3 750mb Dewpt(C): 0.3 -1.1 -6.9 -2.1 -4.3 -2.9 -2.3 -1.3 -2.6 -2.5 -3.4 -3.0 -4.7 -5.6 -4.3 750mb RH (%): 100 95 58 98 85 98 98 99 91 92 83 83 72 61 62 750mb Dir: 211 190 217 239 211 202 196 210 209 218 241 218 191 118 153 750mb Speed(kt): 25 42 43 20 23 23 22 11 6 12 9 4 3 6 10 700mb GPH (m): 3006 2979 2971 2974 2961 2969 2970 2975 2981 3006 3023 3043 3048 3068 3084 700mb Temp (C): -2.4 -3.6 -2.6 -4.1 -4.6 -6.1 -5.2 -4.5 -4.8 -5.4 -3.6 -3.9 -2.8 -1.1 0.3 700mb Dewpt(C): -2.6 -4.6 -11.1 -4.4 -9.6 -6.5 -5.5 -4.6 -5.4 -6.2 -5.3 -5.3 -9.7 -14.4 -16.5 700mb RH (%): 98 92 52 98 68 97 98 99 96 94 88 90 59 36 27 700mb Dir: 210 190 216 238 218 199 192 213 235 220 253 217 142 105 131 700mb Speed(kt): 26 40 42 21 21 20 19 11 8 9 8 4 1 3 5 650mb GPH (m): 3592 3562 3554 3555 3541 3545 3548 3555 3561 3585 3604 3624 3632 3656 3674 650mb Temp (C): -5.3 -5.5 -6.0 -7.5 -8.0 -9.5 -9.4 -8.1 -8.2 -7.5 -7.4 -7.2 -5.3 -4.0 -3.0 650mb Dewpt(C): -7.9 -6.3 -22.8 -14.7 -14.3 -9.7 -10.1 -8.6 -10.1 -12.9 -13.5 -11.1 -17.5 -18.2 -19.1 650mb RH (%): 82 94 26 56 61 98 95 96 86 65 62 73 38 33 28 650mb Dir: 203 194 213 243 225 207 192 216 244 253 272 251 314 310 167 650mb Speed(kt): 26 39 40 21 22 19 16 11 10 6 6 2 2 2 1 600mb GPH (m): 4215 4188 4176 4173 4158 4160 4162 4172 4178 4203 4222 4244 4256 4282 4302 600mb Temp (C): -9.1 -7.0 -10.1 -11.4 -12.5 -12.9 -12.7 -12.5 -11.7 -11.0 -11.3 -10.8 -9.2 -7.3 -6.7 600mb Dewpt(C): -14.1 -7.9 -20.9 -21.3 -13.9 -13.1 -15.4 -13.5 -17.2 -23.4 -19.4 -16.6 -22.7 -18.6 -19.3 600mb RH (%): 67 93 41 44 89 98 80 92 64 36 52 63 33 40 36 600mb Dir: 201 206 217 256 223 212 206 220 263 318 281 350 309 323 267 600mb Speed(kt): 28 29 33 20 20 22 13 9 8 6 6 5 7 8 4 550mb GPH (m): 4883 4864 4841 4834 4816 4818 4820 4831 4839 4864 4884 4907 4923 4954 4977 550mb Temp (C): -13.2 -10.3 -14.2 -16.2 -17.4 -17.2 -17.3 -16.9 -16.2 -16.5 -16.2 -15.7 -13.2 -11.4 -10.7 550mb Dewpt(C): -17.5 -11.3 -23.3 -21.5 -19.2 -17.2 -22.8 -18.6 -28.2 -27.4 -22.3 -23.6 -24.2 -20.6 -21.3 550mb RH (%): 70 92 47 64 86 100 63 87 36 39 60 51 40 47 42 550mb Dir: 199 237 224 259 220 205 225 235 294 325 286 360 328 321 318 550mb Speed(kt): 28 33 34 20 19 23 13 7 6 8 7 11 16 12 6 500mb GPH (m): 5602 5590 5558 5543 5522 5524 5527 5538 5547 5571 5593 5617 5644 5678 5702 500mb Temp (C): -17.6 -15.7 -18.1 -21.2 -22.4 -23.1 -22.4 -21.8 -22.4 -22.5 -21.3 -21.3 -16.2 -15.9 -15.3 500mb Dewpt(C): -21.2 -17.5 -26.6 -27.3 -29.3 -23.4 -30.5 -24.3 -32.2 -31.4 -22.7 -27.6 -23.5 -27.1 -29.4 500mb RH (%): 74 86 48 58 54 98 48 81 41 45 88 57 54 38 29 500mb Dir: 195 236 215 254 219 194 241 253 298 339 311 356 335 311 3 500mb Speed(kt): 29 34 41 23 20 17 13 7 8 10 13 17 29 15 9 450mb GPH (m): 6383 6378 6337 6312 6287 6285 6292 6304 6310 6336 6362 6385 6430 6464 6488 450mb Temp (C): -22.2 -20.3 -23.1 -27.1 -27.5 -30.0 -28.0 -27.9 -29.0 -28.2 -25.4 -26.2 -20.9 -21.3 -21.8 450mb Dewpt(C): -28.2 -22.4 -36.1 -32.7 -37.3 -30.2 -34.9 -30.9 -36.0 -36.5 -34.9 -32.9 -36.6 -30.0 -38.3 450mb RH (%): 59 83 31 60 40 99 53 76 52 46 42 54 24 47 22 450mb Dir: 207 226 204 252 231 217 268 242 273 344 330 350 327 312 10 450mb Speed(kt): 22 32 41 25 30 16 19 10 10 17 27 27 40 16 11 400mb GPH (m): 7240 7239 7188 7148 7125 7113 7126 7137 7138 7175 7209 7228 7288 7322 7342 400mb Temp (C): -27.2 -26.2 -29.4 -33.3 -32.4 -34.8 -34.4 -35.5 -36.1 -30.9 -29.9 -31.3 -27.6 -27.6 -29.3 400mb Dewpt(C): -35.6 -28.8 -51.8 -39.7 -44.3 -41.0 -41.2 -38.8 -41.3 -48.3 -44.1 -45.7 -38.4 -33.7 -40.6 400mb RH (%): 46 79 11 54 31 55 51 73 60 18 25 24 36 57 34 400mb Dir: 233 220 206 248 237 223 258 235 255 0 335 356 319 319 4 400mb Speed(kt): 19 34 44 31 41 34 31 17 12 36 39 39 39 22 11 350mb GPH (m): 8188 8190 8128 8075 8057 8040 8043 8049 8054 8110 8146 8159 8230 8263 8279 350mb Temp (C): -34.0 -33.7 -35.1 -38.1 -36.2 -37.1 -42.4 -43.1 -40.3 -36.6 -36.7 -37.6 -36.0 -36.5 -36.9 350mb Dewpt(C): -41.5 -37.0 -55.2 -54.1 -56.4 -62.1 -50.0 -47.3 -54.4 -53.1 -49.5 -51.3 -40.3 -40.1 -47.9 350mb RH (%): 48 73 12 18 12 7 45 64 22 18 27 24 66 70 33 350mb Dir: 275 212 198 244 242 217 243 242 355 6 338 4 324 302 350 350mb Speed(kt): 25 37 52 33 57 48 25 17 15 49 46 44 36 25 8 300mb GPH (m): 9248 9251 9184 9129 9117 9097 9087 9086 9102 9162 9196 9209 9279 9311 9330 300mb Temp (C): -42.4 -42.6 -43.3 -40.3 -40.0 -40.0 -40.7 -41.9 -41.6 -43.1 -43.7 -43.2 -45.8 -45.3 -43.9 300mb Dewpt(C): -48.2 -46.0 -51.2 -64.4 -61.9 -65.6 -65.8 -62.9 -65.2 -58.0 -55.8 -60.6 -49.4 -50.8 -57.9 300mb RH (%): 55 70 43 7 9 6 6 10 7 20 27 14 68 56 21 300mb Dir: 285 215 187 247 245 221 228 276 11 6 334 354 341 294 357 300mb Speed(kt): 35 47 56 35 66 50 30 6 30 46 41 40 37 19 7 250mb GPH (m): 10454 10451 10397 10371 10358 10341 10332 10329 10336 10383 10409 10428 10468 10508 10538 250mb Temp (C): -51.3 -52.4 -45.9 -40.8 -40.7 -39.7 -39.4 -39.3 -41.4 -44.3 -45.7 -45.0 -51.0 -49.9 -47.3 250mb Dewpt(C): -56.6 -56.3 -65.9 -74.3 -71.2 -73.3 -73.0 -78.7 -74.4 -69.9 -66.3 -69.6 -60.5 -64.6 -69.7 250mb RH (%): 55 65 10 2 3 2 2 1 2 5 9 6 34 18 7 250mb Dir: 295 220 203 252 248 231 227 257 350 349 330 339 339 315 354 250mb Speed(kt): 31 51 47 38 72 44 26 7 17 22 31 29 31 17 9 200mb GPH (m): 11902 11900 11884 11883 11871 11864 11855 11851 11849 11879 11902 11922 11936 11972 12008 200mb Temp (C): -48.6 -48.6 -44.9 -42.2 -42.7 -40.7 -40.5 -41.1 -42.2 -43.7 -43.9 -44.5 -46.7 -48.1 -48.1 200mb Dewpt(C): -71.6 -73.5 -77.6 -80.1 -80.3 -78.9 -79.9 -79.5 -80.1 -81.1 -81.3 -81.8 -82.4 -79.6 -79.5 200mb RH (%): 6 5 2 1 1 1 1 1 1 1 1 1 1 2 2 200mb Dir: 264 239 234 261 255 236 238 258 297 293 307 310 313 324 294 200mb Speed(kt): 21 32 35 40 47 43 26 12 10 12 17 16 18 13 10 150mb GPH (m): 13789 13789 13798 13809 13793 13800 13794 13789 13780 13802 13819 13833 13835 13860 13894 150mb Temp (C): -49.4 -49.4 -47.4 -46.5 -47.2 -45.7 -45.1 -45.0 -45.6 -46.3 -46.6 -47.4 -48.3 -49.8 -50.5 150mb Dewpt(C): -85.1 -85.1 -83.8 -83.1 -83.6 -82.6 -81.9 -70.6 -82.0 -82.9 -83.1 -83.7 -84.4 -85.4 -86.0 150mb RH (%): 1 1 1 1 1 1 1 5 1 1 1 1 1 1 1 150mb Dir: 241 241 253 267 262 245 241 250 260 270 250 278 294 281 272 150mb Speed(kt): 23 26 28 30 37 33 22 16 10 13 10 14 10 11 4 100mb GPH (m): 16446 16440 16457 16471 16448 16463 16463 16468 16452 16466 16479 16489 16481 16493 16518 100mb Temp (C): -49.6 -50.0 -49.9 -50.6 -51.3 -50.8 -50.3 -49.2 -49.9 -50.3 -50.8 -51.3 -51.8 -52.8 -53.5 100mb Dewpt(C): -74.2 -138.5 -74.4 -109.3 -86.0 -86.4 -106.6 -131.8 -74.4 -74.8 -97.9 -86.0 -86.9 -87.5 -83.5 100mb RH (%): 0 0 5 0 1 1 0 0 5 5 0 1 1 1 2 100mb Dir: 239 229 249 259 268 244 255 230 248 210 236 217 266 178 262 100mb Speed(kt): 21 17 20 21 16 17 17 8 11 5 8 6 6 4 7