Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z SEP 3, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 985.5 985.3 984.1 986.2 986.2 988.0 988.9 991.5 992.9 994.0 992.5 993.0 991.9 991.4 990.9 Mean SLP (mb): 1009.8 1009.3 1008.0 1010.5 1010.6 1012.2 1012.9 1015.7 1017.2 1018.2 1016.4 1017.1 1016.2 1015.5 1014.8 2m agl Tmp (F): 53.9 61.1 63.2 55.0 51.2 58.8 63.9 57.9 56.9 61.9 67.2 60.8 56.0 63.8 67.0 2m agl Dewpt(F): 49.8 48.7 47.3 50.2 48.6 50.2 49.6 49.4 50.2 49.9 48.4 50.8 51.5 51.9 50.6 2m agl RH (%): 86 63 55 83 91 73 59 73 78 64 50 69 84 64 55 10m agl Dir: 158 179 214 202 87 194 216 206 183 236 308 336 331 308 274 10m agl Spd(kt): 5 10 7 3 2 2 4 1 1 3 5 3 4 5 6 6hr Precip (in): 0.00 0.04 0.04 0.02 0.08 0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.01 AccumPrecip(in): 0.00 0.04 0.08 0.10 0.17 0.18 0.20 0.20 0.20 0.20 0.20 0.21 0.21 0.21 0.22 Sfc CAPE (J/kg): 56.8 94.8 124.1 76.1 12.9 27.8 182.0 70.6 30.6 13.8 9.5 0.8 0.3 59.4 112.9 Sfc CINH (J/kg): -18.6 0.0 -0.2 -18.1 0.0 -0.2 0.0 -34.7 -1.0 0.0 0.0 0.0 -6.4 -28.6 -5.3 0-3km Hel(J/kg): 145.9 55.6 11.1 6.9 10.4 22.0 11.2 11.6 -10.8 -15.1 43.8 75.1 98.7 104.2 58.1 Precip H20 (in): 0.74 0.75 0.78 0.86 0.77 0.80 0.81 0.82 0.78 0.74 0.73 0.71 0.73 0.79 0.87 Lifted Index(C): 0.7 1.3 -0.2 0.4 1.9 1.0 -0.1 -0.1 2.0 1.7 3.2 2.5 2.9 1.3 0.8 700mb VV(-ub/s): 2.5 -0.6 0.1 2.5 -0.4 -0.5 -0.5 -2.0 -0.4 -1.4 0.1 0.4 1.4 2.4 1.1 Thk1000-500mb(m)5467.6 5466.6 5472.3 5454.6 5455.4 5466.8 5485.8 5482.0 5479.2 5490.2 5534.4 5540.0 5521.1 5512.8 5519.6 Thk1000-850mb(m)1347.8 1349.8 1355.9 1342.1 1341.9 1346.4 1356.1 1351.6 1345.5 1348.9 1364.7 1361.7 1356.9 1359.3 1364.0 Thk850-700mb(m):1551.4 1553.5 1555.5 1552.7 1552.5 1555.9 1559.2 1558.8 1558.3 1561.8 1569.1 1575.2 1570.0 1565.4 1565.6 SWEAT Index: 116.8 139.0 137.0 126.5 74.5 116.9 85.6 146.6 58.8 49.8 54.2 28.5 15.3 17.4 46.5 Total Totals Idx 47.0 50.6 52.3 51.8 50.9 51.7 50.5 52.6 48.1 48.6 44.2 42.7 43.0 44.8 47.3 Frz Hgt(ft amsl) 6826 6996 7244 6799 6926 7210 7699 7744 7816 8271 9101 9861 9060 8151 8273 0WetBlbHgt(amsl) 6494 6810 6855 6708 6325 6832 6961 7063 7123 7085 7182 6678 6455 6603 7523 Equil Prs (mb): 689 432 393 389 986 381 348 424 803 475 993 993 992 386 377 Equil Hgt(amsl): 10204 21640 23798 24058 26 24630 26706 22326 6388 19753 26 26 26 24617 25203 Hail Size(in): 0.07 0.00 0.00 -0.03 0.00 0.00 0.01 0.03 -0.10 0.00 0.00 0.00 0.00 0.03 0.11 Conv Wind Gust: 30.9 38.3 40.3 25.3 22.9 32.1 38.1 29.2 23.6 31.5 41.3 38.6 35.7 41.5 40.2 Showalter Index: 4.5 2.0 1.3 1.6 2.3 1.5 2.0 0.7 3.4 3.2 4.8 5.8 5.8 5.0 3.2 Cap Strength(C): 1.5 -999.9 0.0 -999.9 -999.9 -0.9 -999.9 0.4 0.2 0.0 0.0 -999.9 -999.9 0.0 0.0 Storm Dir (deg): 251 231 221 193 176 192 215 197 202 240 294 271 264 251 219 Storm Spd (kts): 16 13 9 8 4 5 5 5 3 4 7 8 8 7 5 2m HeatIndex(F): 54 61 63 55 51 59 64 58 57 62 67 61 56 64 67 2m WindChill(F): 54 61 63 55 51 59 64 58 57 62 67 61 56 64 67 1000mb GPH (m): 81 78 68 87 88 102 109 132 144 153 139 144 135 131 126 950mb GPH (m): 511 511 502 516 515 533 544 565 574 585 577 579 567 565 563 950mb Temp (C): 10.7 11.7 13.2 9.5 9.6 10.6 13.3 11.9 10.6 11.3 15.1 14.2 12.9 12.6 14.8 950mb Dewpt(C): 9.7 7.5 6.9 9.2 8.2 8.2 8.6 9.1 8.9 8.3 7.8 9.6 9.2 9.3 8.8 950mb RH (%): 93 75 65 98 91 85 72 83 90 82 61 73 78 80 67 950mb Dir: 190 179 209 194 134 177 211 227 216 232 311 358 349 321 277 950mb Speed(kt): 17 14 8 5 4 2 4 4 4 3 5 7 9 6 7 900mb GPH (m): 960 960 954 962 962 981 995 1014 1022 1033 1031 1033 1019 1017 1017 900mb Temp (C): 8.1 7.5 8.9 6.5 7.0 7.3 8.9 8.1 7.0 7.5 10.6 10.7 10.4 10.4 10.3 900mb Dewpt(C): 6.1 6.2 5.5 5.9 4.9 5.0 7.3 7.1 6.6 5.5 6.3 3.2 3.7 3.2 7.6 900mb RH (%): 87 91 79 96 86 85 90 93 97 87 74 59 63 60 83 900mb Dir: 207 184 204 198 174 140 201 174 186 186 322 354 350 357 284 900mb Speed(kt): 24 19 10 9 6 5 4 3 4 2 5 2 5 5 6 850mb GPH (m): 1429 1428 1424 1430 1430 1449 1465 1484 1489 1502 1504 1506 1492 1490 1490 850mb Temp (C): 4.7 4.5 4.8 3.7 4.1 4.4 5.3 5.0 3.8 4.8 7.3 7.8 7.4 7.6 7.2 850mb Dewpt(C): -0.1 3.3 2.8 3.0 1.8 3.3 2.6 4.2 3.4 2.5 2.5 0.1 -0.2 -1.5 2.7 850mb RH (%): 71 92 86 95 85 93 83 94 97 85 71 58 58 52 73 850mb Dir: 218 203 196 190 156 142 185 184 195 176 235 257 344 200 280 850mb Speed(kt): 27 25 12 13 5 9 8 8 7 6 4 3 0 2 3 800mb GPH (m): 1920 1919 1916 1919 1920 1940 1958 1975 1981 1994 2000 2003 1988 1986 1986 800mb Temp (C): 1.2 1.3 1.7 0.7 1.1 1.6 2.2 2.0 2.2 2.9 3.9 5.0 4.4 4.3 4.0 800mb Dewpt(C): -0.3 0.8 0.3 0.4 -1.0 0.2 -0.3 0.1 0.2 -1.2 -1.3 -6.0 -6.1 -5.2 0.3 800mb RH (%): 90 96 90 98 86 90 84 88 87 74 69 45 46 50 77 800mb Dir: 222 202 188 177 135 141 186 178 195 146 208 234 199 187 138 800mb Speed(kt): 27 22 16 14 6 10 11 9 7 5 8 7 6 11 3 750mb GPH (m): 2436 2435 2433 2436 2436 2457 2476 2494 2499 2514 2521 2527 2510 2507 2506 750mb Temp (C): -2.6 -1.9 -1.3 -1.6 -1.8 -1.6 -0.7 -0.7 -0.6 0.0 1.3 2.7 1.6 -0.2 0.1 750mb Dewpt(C): -4.6 -3.0 -2.7 -1.8 -3.4 -3.0 -3.7 -3.7 -3.9 -4.3 -7.1 -13.6 -11.9 -5.3 -3.0 750mb RH (%): 86 92 90 99 89 90 80 80 78 73 53 29 36 68 79 750mb Dir: 224 203 180 159 136 143 179 175 175 138 217 229 205 181 175 750mb Speed(kt): 23 18 16 12 7 10 9 8 5 6 8 11 11 17 7 700mb GPH (m): 2981 2982 2979 2982 2982 3005 3024 3042 3047 3063 3073 3081 3062 3055 3055 700mb Temp (C): -4.8 -4.5 -4.7 -4.7 -5.0 -4.1 -4.0 -3.6 -3.8 -2.9 -1.6 -0.4 -1.9 -3.7 -3.6 700mb Dewpt(C): -8.1 -6.4 -5.9 -5.1 -6.4 -6.3 -5.9 -6.1 -7.5 -8.8 -14.3 -16.0 -15.0 -5.1 -5.9 700mb RH (%): 78 87 92 97 90 85 87 82 76 63 37 30 36 90 84 700mb Dir: 232 210 178 150 136 161 181 176 155 167 235 230 212 185 185 700mb Speed(kt): 24 17 15 13 7 9 6 7 5 6 9 12 14 20 11 650mb GPH (m): 3560 3560 3559 3562 3561 3585 3605 3624 3629 3646 3660 3669 3648 3639 3638 650mb Temp (C): -7.9 -8.5 -8.3 -8.1 -8.5 -7.9 -7.6 -7.4 -7.0 -6.4 -4.7 -4.0 -4.9 -5.9 -6.0 650mb Dewpt(C): -20.7 -11.2 -8.9 -9.6 -9.9 -9.7 -10.2 -11.9 -14.9 -16.1 -20.0 -18.9 -18.6 -7.5 -10.0 650mb RH (%): 35 80 96 89 90 87 82 70 54 46 29 31 34 88 74 650mb Dir: 231 212 191 144 134 165 179 174 145 193 257 232 217 195 178 650mb Speed(kt): 25 18 12 11 7 7 8 7 4 5 10 14 15 9 8 600mb GPH (m): 4177 4177 4175 4178 4177 4201 4224 4243 4248 4267 4284 4295 4270 4262 4261 600mb Temp (C): -11.5 -12.1 -12.5 -12.5 -12.3 -12.5 -11.5 -11.1 -10.7 -10.2 -8.2 -8.2 -10.4 -9.3 -9.2 600mb Dewpt(C): -18.3 -21.0 -15.7 -14.4 -15.1 -14.5 -15.3 -18.6 -22.4 -26.0 -20.4 -14.2 -13.1 -12.6 -12.7 600mb RH (%): 58 48 77 85 80 85 73 54 38 27 37 62 81 77 76 600mb Dir: 233 212 203 134 139 175 177 165 77 259 267 232 216 301 127 600mb Speed(kt): 21 19 11 12 7 5 10 5 2 4 12 16 17 7 8 550mb GPH (m): 4839 4836 4833 4836 4836 4861 4885 4905 4911 4931 4953 4965 4937 4928 4928 550mb Temp (C): -15.8 -16.6 -16.9 -17.5 -16.8 -16.5 -16.0 -15.8 -15.2 -14.8 -12.6 -12.9 -13.1 -14.3 -13.6 550mb Dewpt(C): -23.5 -28.7 -23.9 -19.7 -22.8 -20.8 -23.3 -27.1 -27.9 -31.7 -20.3 -15.8 -14.6 -17.4 -15.5 550mb RH (%): 52 35 55 84 60 70 54 38 34 23 53 79 89 77 86 550mb Dir: 232 208 194 136 153 207 176 138 37 313 279 235 237 265 145 550mb Speed(kt): 19 18 13 11 6 4 9 6 4 6 13 18 16 13 7 500mb GPH (m): 5549 5545 5540 5542 5543 5569 5595 5614 5623 5643 5674 5684 5656 5643 5645 500mb Temp (C): -21.2 -21.4 -22.3 -22.6 -22.5 -22.0 -21.3 -21.7 -20.4 -20.6 -17.3 -17.4 -17.9 -19.3 -18.7 500mb Dewpt(C): -29.1 -32.8 -27.5 -24.7 -31.1 -28.7 -33.3 -31.8 -34.2 -28.7 -24.2 -19.5 -19.7 -21.7 -22.4 500mb RH (%): 50 36 64 83 46 55 34 41 29 49 55 84 86 82 73 500mb Dir: 226 196 179 156 167 214 186 114 19 328 281 241 251 238 167 500mb Speed(kt): 19 15 15 8 6 5 7 9 5 9 17 21 14 13 9 450mb GPH (m): 6319 6312 6304 6306 6307 6334 6361 6379 6392 6413 6454 6464 6435 6418 6420 450mb Temp (C): -26.5 -27.4 -28.6 -28.9 -29.1 -28.2 -28.2 -28.2 -27.5 -26.0 -23.2 -23.6 -23.6 -25.2 -25.2 450mb Dewpt(C): -35.2 -43.8 -39.4 -31.3 -36.9 -35.6 -38.5 -36.0 -41.0 -30.1 -26.5 -25.9 -25.9 -27.7 -30.7 450mb RH (%): 45 21 36 80 48 50 38 48 28 69 75 81 82 80 61 450mb Dir: 232 209 173 181 191 229 184 115 1 359 281 242 243 202 160 450mb Speed(kt): 31 16 15 10 7 10 9 13 4 16 22 22 17 19 11 400mb GPH (m): 7158 7148 7136 7134 7135 7166 7193 7210 7225 7252 7304 7314 7282 7261 7262 400mb Temp (C): -32.3 -32.9 -34.4 -36.6 -36.5 -35.2 -35.5 -35.4 -35.0 -33.1 -30.0 -30.0 -31.2 -32.1 -32.1 400mb Dewpt(C): -39.2 -70.5 -43.2 -39.8 -41.3 -42.2 -42.6 -42.9 -43.5 -36.9 -33.1 -32.7 -34.0 -35.4 -38.4 400mb RH (%): 51 2 42 73 62 50 50 48 43 70 75 78 77 73 55 400mb Dir: 239 219 185 196 213 240 159 130 355 18 292 236 237 194 159 400mb Speed(kt): 47 34 20 10 13 7 7 16 4 29 24 23 20 25 17 350mb GPH (m): 8090 8076 8059 8046 8045 8083 8108 8123 8140 8175 8235 8247 8211 8189 8191 350mb Temp (C): -36.2 -37.7 -38.3 -41.8 -43.3 -41.4 -41.3 -43.0 -42.5 -40.9 -39.2 -38.4 -38.7 -38.6 -37.8 350mb Dewpt(C): -53.2 -68.8 -54.2 -47.9 -48.4 -50.5 -51.8 -48.7 -49.2 -44.7 -42.7 -42.2 -42.2 -45.3 -54.4 350mb RH (%): 17 3 19 53 59 38 33 55 49 68 70 68 70 51 17 350mb Dir: 247 217 194 169 188 41 50 108 22 30 300 237 223 194 164 350mb Speed(kt): 64 43 35 13 7 13 11 12 17 44 24 26 24 33 17 300mb GPH (m): 9147 9127 9115 9092 9083 9123 9149 9159 9173 9210 9273 9291 9254 9238 9248 300mb Temp (C): -41.5 -41.8 -40.4 -40.7 -42.0 -42.2 -42.0 -43.0 -43.9 -44.8 -45.7 -44.6 -44.1 -41.3 -39.4 300mb Dewpt(C): -59.4 -69.7 -62.5 -60.5 -59.8 -66.9 -63.8 -61.5 -60.0 -57.1 -54.9 -57.4 -54.6 -66.2 -70.2 300mb RH (%): 14 4 9 11 14 6 9 13 17 26 37 24 32 6 3 300mb Dir: 250 221 203 168 35 33 49 60 25 20 324 259 229 221 342 300mb Speed(kt): 79 46 43 17 11 13 6 10 21 28 20 19 22 16 12 250mb GPH (m): 10378 10361 10353 10330 10321 10355 10381 10389 10398 10430 10481 10500 10470 10470 10488 250mb Temp (C): -42.4 -41.3 -40.9 -40.1 -40.0 -41.1 -42.1 -41.9 -42.8 -43.4 -46.3 -47.2 -45.2 -43.1 -41.7 250mb Dewpt(C): -62.9 -74.8 -71.3 -71.3 -70.5 -71.4 -69.9 -70.4 -68.9 -70.5 -69.0 -69.7 -69.9 -70.8 -71.8 250mb RH (%): 10 2 3 3 3 3 4 4 5 4 7 7 6 4 3 250mb Dir: 255 228 206 200 210 238 213 65 13 8 319 311 289 324 343 250mb Speed(kt): 69 43 34 12 7 5 7 6 8 14 17 18 16 14 31 200mb GPH (m): 11882 11875 11873 11855 11845 11872 11894 11905 11907 11934 11966 11983 11960 11970 11993 200mb Temp (C): -43.6 -41.6 -41.0 -40.0 -40.8 -42.0 -42.2 -41.8 -42.3 -43.2 -45.6 -45.6 -45.2 -44.4 -44.7 200mb Dewpt(C): -76.0 -79.7 -79.2 -78.6 -79.1 -79.9 -80.1 -79.8 -80.2 -80.8 -82.5 -82.0 -75.5 -81.9 -75.9 200mb RH (%): 2 1 1 1 1 1 1 1 1 1 1 1 3 1 2 200mb Dir: 259 236 223 218 229 217 221 201 257 261 294 316 312 337 332 200mb Speed(kt): 44 43 32 13 11 13 13 9 4 8 10 17 14 20 31 150mb GPH (m): 13802 13801 13803 13795 13780 13801 13822 13836 13832 13851 13871 13883 13865 13875 13893 150mb Temp (C): -47.6 -46.8 -46.2 -44.7 -45.4 -45.9 -46.4 -45.3 -46.0 -47.1 -47.8 -48.6 -48.6 -48.6 -49.6 150mb Dewpt(C): -83.9 -83.3 -82.9 -96.1 -82.6 -83.4 -82.9 -70.8 -98.3 -83.2 -84.0 -84.6 -84.6 -84.6 -85.4 150mb RH (%): 1 1 1 0 1 1 1 5 0 1 1 1 1 1 1 150mb Dir: 256 243 236 219 216 239 199 222 206 236 223 276 290 319 313 150mb Speed(kt): 32 33 29 19 12 14 19 13 16 10 13 10 12 15 19 100mb GPH (m): 16450 16465 16471 16470 16454 16470 16488 16502 16492 16500 16521 16525 16507 16511 16518 100mb Temp (C): -51.9 -50.7 -50.5 -50.3 -50.2 -50.0 -50.4 -50.8 -51.5 -51.5 -52.2 -51.9 -52.3 -53.2 -53.0 100mb Dewpt(C): -86.9 -85.6 -86.6 -74.7 -74.7 -138.5 -102.7 -106.5 -86.3 -86.6 -87.1 -86.9 -82.7 -87.8 -87.7 100mb RH (%): 1 1 1 5 5 0 0 0 1 1 1 1 2 1 1 100mb Dir: 269 236 242 223 227 196 195 206 186 178 198 213 240 216 248 100mb Speed(kt): 21 16 13 13 10 12 14 18 13 15 11 12 9 7 12