Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z SEP 12, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 989.3 988.9 987.4 987.3 987.6 988.8 988.9 991.7 993.9 996.2 996.6 996.4 993.9 993.7 993.3 Mean SLP (mb): 1013.1 1012.9 1011.6 1011.3 1011.6 1013.1 1013.3 1016.0 1018.1 1020.6 1021.1 1020.9 1018.0 1018.1 1017.9 2m agl Tmp (F): 67.7 59.4 56.6 63.6 62.5 54.0 52.1 53.1 57.6 55.7 53.3 57.9 63.8 55.1 50.8 2m agl Dewpt(F): 50.7 50.9 50.4 53.6 52.4 49.0 50.6 51.9 54.3 52.1 51.4 49.9 47.4 47.7 47.6 2m agl RH (%): 53 73 79 69 69 83 94 95 88 88 93 74 54 76 88 10m agl Dir: 291 10 48 240 230 158 209 214 207 218 203 205 304 326 108 10m agl Spd(kt): 4 2 1 4 5 4 7 8 9 7 4 3 4 2 1 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.08 0.09 0.25 0.15 0.01 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.01 0.01 0.09 0.18 0.43 0.59 0.59 0.59 0.59 0.59 0.59 0.59 Sfc CAPE (J/kg): 9.0 4.9 1.5 9.3 150.4 44.2 59.8 66.8 35.6 36.0 39.3 25.4 0.3 0.0 0.0 Sfc CINH (J/kg): -0.1 -0.2 -0.6 0.0 -13.0 -5.7 0.0 -0.3 -7.3 0.0 0.0 0.0 0.0 -0.1 0.0 0-3km Hel(J/kg): 115.4 160.7 156.8 179.0 160.8 7.0 59.5 173.4 268.6 105.7 100.4 91.3 42.3 38.3 20.0 Precip H20 (in): 0.61 0.71 0.74 0.74 0.98 0.85 0.86 0.95 0.92 0.67 0.59 0.56 0.66 0.83 0.89 Lifted Index(C): 4.8 5.8 5.8 4.8 4.1 5.5 4.1 5.5 6.2 8.1 10.0 10.2 8.7 8.2 4.7 700mb VV(-ub/s): 1.6 2.5 2.6 2.6 -7.3 3.4 2.8 1.6 -0.7 -1.7 -1.0 -0.1 -1.2 0.3 0.5 Thk1000-500mb(m)5578.5 5584.2 5576.7 5565.0 5524.1 5454.6 5452.7 5486.3 5533.6 5543.1 5544.9 5560.7 5581.8 5572.2 5545.6 Thk1000-850mb(m)1366.0 1363.3 1360.8 1359.7 1361.4 1341.8 1338.9 1340.2 1351.1 1343.8 1338.5 1341.1 1356.7 1352.1 1347.5 Thk850-700mb(m):1583.4 1585.7 1581.9 1582.0 1565.1 1549.6 1548.7 1554.0 1570.9 1574.7 1575.1 1581.6 1587.6 1589.5 1584.7 SWEAT Index: 52.4 65.0 107.0 124.9 139.8 105.5 96.0 104.7 96.2 46.0 41.3 37.9 31.7 34.2 36.3 Total Totals Idx 29.8 35.2 39.1 41.1 43.8 43.4 45.7 42.4 36.6 32.2 31.3 27.3 18.5 30.5 40.4 Frz Hgt(ft amsl) 11355 11349 11031 10344 8032 6704 6590 7060 9235 9776 10794 11569 11577 11190 10451 0WetBlbHgt(amsl) 5748 6136 6310 6888 7077 6461 6480 6959 7442 5955 6191 5719 5428 9867 9222 Equil Prs (mb): 989 989 987 850 577 586 643 751 815 865 878 996 994 994 993 Equil Hgt(amsl): 26 26 26 4791 14837 14334 11991 8101 6047 4492 4083 26 26 26 26 Hail Size(in): -0.07 -0.07 0.00 0.00 0.35 0.01 -0.02 0.00 -0.19 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 46.9 42.2 40.6 38.9 39.9 28.7 21.7 20.4 26.5 27.2 21.8 24.0 49.3 39.8 36.1 Showalter Index: 12.3 9.4 7.0 5.7 3.9 5.9 4.9 6.4 9.0 11.9 12.3 13.9 15.8 11.8 7.1 Cap Strength(C):-999.9 -999.9 -999.9 1.6 0.2 -0.5 0.0 0.0 1.6 3.6 0.0 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 261 246 240 223 212 208 301 330 330 315 323 336 337 326 316 Storm Spd (kts): 12 14 16 17 17 13 13 15 19 14 11 8 7 7 7 2m HeatIndex(F): 68 59 57 64 63 54 52 53 58 56 53 58 64 55 51 2m WindChill(F): 68 59 57 64 63 54 52 53 58 56 53 58 64 55 51 1000mb GPH (m): 112 109 97 96 98 109 111 133 152 172 175 174 152 151 148 950mb GPH (m): 549 543 530 530 534 538 538 561 583 601 602 602 586 581 575 950mb Temp (C): 15.1 13.9 13.7 12.8 13.7 9.4 8.7 9.2 11.0 9.8 8.5 9.0 12.9 11.2 10.3 950mb Dewpt(C): 9.1 9.2 8.6 10.4 10.6 8.2 8.5 8.9 10.9 9.5 8.2 8.4 6.9 8.2 8.0 950mb RH (%): 67 72 71 85 81 92 99 98 99 98 98 96 66 81 85 950mb Dir: 300 346 303 235 238 185 221 221 215 225 216 202 308 338 332 950mb Speed(kt): 4 3 2 4 7 12 16 20 20 16 11 4 5 7 4 900mb GPH (m): 1004 997 984 982 986 984 983 1007 1033 1048 1047 1048 1037 1030 1023 900mb Temp (C): 10.7 11.0 10.5 9.9 9.7 6.7 6.1 6.1 8.3 6.7 5.7 5.8 8.6 8.6 8.2 900mb Dewpt(C): 7.9 8.0 7.7 8.0 8.9 6.5 5.6 5.8 8.1 5.4 4.9 3.8 5.7 2.6 2.7 900mb RH (%): 82 82 82 88 95 98 97 98 99 91 94 87 82 65 68 900mb Dir: 303 165 207 169 246 206 246 244 240 231 220 224 314 290 329 900mb Speed(kt): 3 7 4 3 6 16 19 24 24 16 11 4 4 2 5 850mb GPH (m): 1478 1472 1458 1455 1459 1451 1450 1474 1503 1515 1514 1515 1509 1503 1495 850mb Temp (C): 8.8 8.9 8.3 7.9 7.5 3.4 3.3 3.5 5.7 5.5 5.6 7.7 9.1 9.4 8.8 850mb Dewpt(C): -7.6 -0.9 3.3 4.6 6.3 3.1 2.8 3.3 2.1 -1.6 -1.7 -7.9 -18.0 -8.4 -2.4 850mb RH (%): 30 50 70 79 92 98 96 99 77 60 59 32 13 27 45 850mb Dir: 188 178 186 136 188 216 250 253 269 255 277 275 256 292 320 850mb Speed(kt): 8 14 11 10 5 15 21 18 21 13 12 11 8 7 8 800mb GPH (m): 1976 1971 1956 1955 1956 1941 1938 1963 1997 2012 2009 2013 2008 2003 1995 800mb Temp (C): 6.3 6.7 6.1 6.5 4.0 0.6 0.4 0.7 4.1 5.9 4.8 6.2 7.1 7.5 7.0 800mb Dewpt(C): -16.6 -15.3 -9.9 -4.4 -1.1 -0.2 0.0 0.4 -3.2 -14.5 -8.3 -15.5 -13.8 -2.9 -0.5 800mb RH (%): 17 19 31 45 69 94 98 98 59 21 38 19 21 47 58 800mb Dir: 189 176 181 152 170 222 255 278 289 286 293 286 285 306 328 800mb Speed(kt): 15 17 19 18 13 11 21 16 18 23 18 13 9 9 9 750mb GPH (m): 2502 2498 2482 2481 2476 2456 2453 2480 2520 2536 2533 2539 2536 2532 2523 750mb Temp (C): 4.6 5.1 4.2 4.0 -0.2 -2.4 -2.3 -1.2 2.4 2.5 3.1 3.9 5.1 5.3 3.4 750mb Dewpt(C): -23.2 -23.6 -25.9 -21.7 -5.0 -3.8 -2.7 -1.4 -4.1 -9.1 -18.5 -18.1 -8.9 -1.8 1.6 750mb RH (%): 11 11 9 13 70 90 97 99 62 42 19 18 35 60 87 750mb Dir: 194 193 188 163 162 238 263 305 306 291 298 302 310 309 316 750mb Speed(kt): 17 19 20 20 20 6 23 16 28 26 19 13 11 11 9 700mb GPH (m): 3061 3058 3040 3037 3025 3001 2998 3028 3074 3090 3089 3097 3096 3092 3080 700mb Temp (C): 2.5 2.4 1.8 0.6 -3.7 -5.2 -5.3 -3.6 -2.1 -0.6 1.0 2.3 2.6 2.1 0.7 700mb Dewpt(C): -26.0 -20.6 -20.5 -17.6 -8.1 -6.9 -5.9 -4.1 -3.5 -11.8 -31.6 -19.1 -5.6 -2.7 -6.3 700mb RH (%): 10 17 17 24 72 87 96 97 90 43 7 19 55 70 59 700mb Dir: 213 208 202 181 170 234 266 322 315 295 302 319 326 300 301 700mb Speed(kt): 17 21 24 22 26 6 21 17 33 23 19 14 13 11 9 650mb GPH (m): 3655 3652 3633 3628 3607 3579 3577 3611 3658 3679 3680 3691 3692 3687 3671 650mb Temp (C): -1.2 -1.2 -1.5 -2.4 -6.8 -8.8 -8.8 -6.4 -5.5 -3.2 -1.9 -0.9 -1.0 -1.8 -3.3 650mb Dewpt(C): -18.6 -13.9 -14.4 -17.8 -8.1 -11.6 -10.0 -7.1 -13.6 -15.2 -28.9 -14.3 -8.7 -7.2 -6.7 650mb RH (%): 26 37 37 30 90 80 91 95 53 39 11 36 56 67 77 650mb Dir: 227 219 210 196 179 221 273 322 319 302 307 330 323 290 276 650mb Speed(kt): 20 26 29 28 29 10 18 20 33 22 19 15 13 10 10 600mb GPH (m): 4287 4285 4265 4258 4227 4194 4192 4232 4283 4308 4312 4325 4325 4318 4299 600mb Temp (C): -6.0 -5.1 -5.0 -6.4 -9.7 -13.4 -12.5 -9.9 -7.8 -5.8 -5.2 -4.5 -4.9 -6.0 -7.2 600mb Dewpt(C): -18.6 -11.6 -18.2 -20.4 -10.2 -16.9 -14.5 -10.9 -11.6 -21.7 -18.0 -19.3 -14.6 -11.3 -10.1 600mb RH (%): 37 60 35 32 96 75 86 92 75 28 36 31 47 66 80 600mb Dir: 232 222 215 201 182 193 304 326 329 309 310 330 315 282 266 600mb Speed(kt): 22 30 35 37 34 22 11 22 32 21 19 15 12 11 14 550mb GPH (m): 4962 4963 4944 4933 4897 4851 4851 4900 4957 4985 4990 5004 5004 4995 4971 550mb Temp (C): -10.2 -9.5 -9.1 -10.1 -11.8 -16.9 -16.1 -13.0 -10.1 -9.1 -9.0 -8.7 -9.2 -9.7 -11.5 550mb Dewpt(C): -14.2 -15.2 -17.1 -26.3 -12.1 -19.7 -18.1 -14.3 -13.3 -25.1 -21.8 -26.7 -18.4 -18.4 -12.1 550mb RH (%): 73 64 53 26 97 79 85 90 78 27 35 22 47 49 95 550mb Dir: 248 229 220 204 183 165 10 344 331 311 318 318 310 283 264 550mb Speed(kt): 27 32 41 45 45 39 13 25 30 21 18 16 13 15 16 500mb GPH (m): 5690 5693 5674 5661 5622 5564 5563 5620 5685 5715 5720 5735 5734 5723 5693 500mb Temp (C): -14.3 -13.6 -13.8 -14.3 -15.0 -18.4 -19.8 -17.8 -14.4 -14.1 -13.7 -13.8 -13.7 -14.7 -17.0 500mb Dewpt(C): -19.7 -21.9 -16.9 -25.6 -15.4 -20.8 -22.0 -19.3 -20.6 -30.5 -29.9 -30.7 -23.1 -18.4 -18.2 500mb RH (%): 64 50 77 38 97 82 83 88 60 24 25 23 46 74 90 500mb Dir: 252 242 223 206 183 130 9 349 324 315 318 315 302 286 258 500mb Speed(kt): 36 38 46 50 54 37 21 29 30 20 17 17 15 20 20 450mb GPH (m): 6482 6487 6466 6451 6409 6343 6337 6398 6476 6503 6512 6527 6527 6512 6479 450mb Temp (C): -19.0 -18.7 -19.1 -19.6 -21.7 -22.9 -24.3 -23.0 -19.5 -21.1 -19.3 -18.9 -18.3 -19.7 -19.8 450mb Dewpt(C): -29.7 -24.2 -21.3 -24.0 -21.9 -26.3 -27.0 -30.8 -33.4 -31.3 -35.8 -32.2 -31.5 -22.6 -36.1 450mb RH (%): 39 62 83 68 99 74 79 50 29 40 23 31 31 78 23 450mb Dir: 256 243 228 214 179 111 23 360 326 326 325 329 293 282 260 450mb Speed(kt): 42 45 53 57 54 45 26 36 33 18 17 17 19 24 29 400mb GPH (m): 7348 7354 7333 7316 7261 7197 7186 7253 7340 7360 7376 7392 7395 7376 7342 400mb Temp (C): -24.9 -24.5 -24.2 -24.9 -29.4 -28.5 -30.0 -27.5 -26.1 -27.6 -25.2 -24.9 -24.6 -25.1 -26.2 400mb Dewpt(C): -32.6 -27.4 -26.7 -30.3 -31.6 -32.0 -33.5 -37.3 -51.6 -42.4 -43.0 -37.3 -33.7 -32.9 -53.2 400mb RH (%): 49 77 80 61 82 72 72 40 8 24 18 31 44 49 7 400mb Dir: 258 245 235 225 193 110 39 19 319 325 337 331 292 279 256 400mb Speed(kt): 50 50 59 73 66 53 31 50 35 19 21 20 22 26 32 350mb GPH (m): 8303 8312 8293 8274 8203 8136 8123 8198 8289 8306 8331 8350 8351 8331 8291 350mb Temp (C): -32.9 -31.3 -30.7 -31.3 -34.3 -36.6 -36.7 -35.3 -34.1 -34.2 -32.2 -32.0 -32.1 -32.3 -33.8 350mb Dewpt(C): -37.7 -34.5 -33.7 -35.7 -47.3 -41.2 -40.9 -40.6 -45.8 -50.8 -45.7 -48.1 -39.2 -43.9 -48.6 350mb RH (%): 63 74 76 66 27 64 66 60 31 18 26 20 50 32 23 350mb Dir: 254 252 240 229 204 114 36 23 314 330 339 322 292 279 258 350mb Speed(kt): 56 56 66 86 88 54 55 61 36 20 22 21 22 28 37 300mb GPH (m): 9368 9386 9369 9350 9273 9186 9177 9251 9345 9370 9403 9418 9418 9397 9351 300mb Temp (C): -41.7 -39.4 -39.3 -38.6 -37.4 -41.3 -39.4 -43.5 -44.0 -40.4 -39.4 -40.9 -41.4 -42.0 -43.0 300mb Dewpt(C): -46.0 -42.8 -42.6 -44.3 -54.1 -56.2 -55.5 -50.9 -52.5 -56.8 -53.5 -53.4 -47.2 -49.4 -51.7 300mb RH (%): 64 71 72 56 17 20 18 46 40 17 23 27 55 46 40 300mb Dir: 257 253 242 230 210 143 35 22 313 345 337 302 306 277 254 300mb Speed(kt): 60 71 83 98 107 40 22 57 26 23 23 23 30 33 44 250mb GPH (m): 10575 10605 10591 10579 10516 10430 10428 10471 10545 10598 10626 10635 10627 10603 10552 250mb Temp (C): -51.9 -49.9 -47.6 -45.6 -43.8 -39.1 -38.8 -42.7 -47.9 -44.0 -48.1 -48.7 -50.6 -51.4 -52.3 250mb Dewpt(C): -56.4 -53.7 -53.3 -54.1 -59.7 -78.4 -77.7 -71.7 -60.9 -63.0 -58.1 -57.0 -56.2 -57.7 -57.2 250mb RH (%): 60 66 54 40 17 1 1 3 23 12 33 39 53 49 57 250mb Dir: 258 252 245 228 217 201 267 311 318 355 326 287 302 273 253 250mb Speed(kt): 72 88 106 105 111 34 17 26 32 26 21 29 31 34 45 200mb GPH (m): 12003 12040 12045 12043 11998 11953 11951 11978 12032 12088 12077 12080 12066 12038 11988 200mb Temp (C): -54.0 -54.9 -53.3 -52.0 -47.5 -41.3 -41.6 -43.3 -45.4 -46.3 -51.0 -52.3 -53.7 -53.8 -51.9 200mb Dewpt(C): -71.9 -64.1 -67.0 -70.0 -77.7 -79.4 -79.7 -80.9 -74.9 -78.2 -71.7 -72.0 -73.0 -71.1 -74.8 200mb RH (%): 11 34 19 12 2 1 1 1 3 2 8 9 9 12 6 200mb Dir: 267 263 254 239 221 228 255 283 321 289 289 289 277 262 274 200mb Speed(kt): 74 85 91 75 62 30 28 25 44 27 25 23 30 41 42 150mb GPH (m): 13856 13880 13888 13902 13890 13880 13871 13891 13927 13965 13942 13940 13916 13892 13855 150mb Temp (C): -52.7 -54.0 -54.2 -53.6 -50.1 -47.2 -48.0 -48.8 -51.7 -53.9 -53.5 -53.5 -54.0 -52.8 -51.1 150mb Dewpt(C): -87.3 -83.8 -84.1 -88.1 -85.6 -83.6 -84.2 -84.7 -86.1 -83.9 -83.5 -83.5 -83.6 -83.1 -86.4 150mb RH (%): 1 2 2 1 1 1 1 1 1 2 2 2 2 2 1 150mb Dir: 270 260 251 242 224 240 261 273 308 281 279 263 267 270 264 150mb Speed(kt): 52 45 50 47 31 23 26 23 34 32 27 29 34 34 40 100mb GPH (m): 16450 16473 16472 16488 16503 16513 16500 16509 16521 16531 16503 16504 16493 16481 16457 100mb Temp (C): -54.8 -55.1 -56.5 -56.6 -55.6 -54.4 -54.9 -54.8 -56.4 -58.1 -58.9 -58.3 -57.6 -57.1 -56.7 100mb Dewpt(C): -89.0 -89.2 -90.2 -90.3 -89.5 -88.7 -89.0 -89.0 -90.2 -87.0 -87.6 -87.1 -86.6 -90.8 -89.7 100mb RH (%): 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 100mb Dir: 270 266 277 271 247 244 256 269 283 275 277 280 271 280 280 100mb Speed(kt): 28 23 22 13 16 21 18 17 19 19 22 18 25 25 25