Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z SEP 23, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 994.7 995.6 994.0 993.8 990.4 987.9 985.8 985.2 984.9 984.3 994.3 998.6 1000.1 1000.7 996.3 Mean SLP (mb): 1019.2 1019.8 1018.0 1018.2 1014.8 1011.9 1009.4 1009.3 1009.1 1008.4 1018.7 1023.3 1024.9 1025.4 1020.6 2m agl Tmp (F): 51.4 61.0 65.2 56.2 52.6 64.9 70.1 58.8 55.5 57.5 53.1 51.1 49.2 54.0 60.7 2m agl Dewpt(F): 49.1 50.4 52.1 47.9 46.8 50.2 49.8 51.6 54.3 53.2 48.6 46.4 45.0 45.7 42.4 2m agl RH (%): 92 67 62 73 80 58 47 76 96 85 84 84 85 73 50 10m agl Dir: 71 260 314 342 55 144 230 294 168 178 247 270 195 333 348 10m agl Spd(kt): 2 2 6 2 3 2 4 2 4 12 8 4 4 3 6 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.10 0.40 0.08 0.21 0.05 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.10 0.51 0.58 0.79 0.85 0.85 0.85 0.85 Sfc CAPE (J/kg): 0.0 0.1 2.2 0.0 0.0 0.0 0.0 2.4 21.2 286.0 84.4 70.0 33.5 31.2 0.1 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -15.5 0.0 0.0 -0.3 0.0 0.0 0.0 0-3km Hel(J/kg): 74.1 82.7 94.4 117.0 134.5 170.4 161.4 146.1 89.5 143.7 71.5 94.8 49.9 5.6 38.9 Precip H20 (in): 0.79 0.86 0.75 0.76 0.81 0.91 0.98 1.12 1.03 0.82 0.75 0.45 0.50 0.42 0.42 Lifted Index(C): 4.4 8.5 6.9 9.4 10.6 6.3 6.1 4.3 3.0 -2.4 3.1 12.7 13.3 11.8 9.2 700mb VV(-ub/s): 2.0 0.1 -1.0 -0.8 1.0 1.8 3.0 2.4 2.5 5.2 0.2 0.3 -4.2 -2.1 0.0 Thk1000-500mb(m)5571.6 5570.0 5588.6 5600.9 5617.7 5630.3 5624.5 5593.8 5524.0 5479.8 5435.2 5435.7 5460.8 5480.1 5514.6 Thk1000-850mb(m)1354.2 1354.3 1362.6 1358.5 1366.2 1374.2 1379.4 1364.8 1353.0 1352.5 1335.1 1327.8 1323.3 1326.9 1345.8 Thk850-700mb(m):1585.7 1584.9 1587.0 1595.9 1601.6 1603.2 1599.8 1591.7 1567.0 1565.2 1542.0 1534.1 1537.8 1551.8 1563.2 SWEAT Index: 74.0 75.6 104.4 53.4 58.2 73.5 132.7 185.4 183.6 367.8 113.1 87.6 68.8 47.0 41.3 Total Totals Idx 40.2 36.1 36.3 28.5 20.9 37.2 29.1 42.3 45.2 57.1 48.0 29.0 30.6 30.0 31.1 Frz Hgt(ft amsl) 11660 11260 11371 11618 11946 12339 11810 11284 8260 8244 5913 5455 5150 8042 8936 0WetBlbHgt(amsl) 8540 8170 6511 6251 9589 9696 10884 10623 7860 7591 5811 4916 4945 4631 4969 Equil Prs (mb): 995 996 994 994 990 988 986 985 725 409 715 727 797 827 996 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 8925 22942 9419 9057 6690 5755 26 Hail Size(in): -0.01 0.00 0.00 0.00 0.00 0.00 0.00 -0.01 -0.06 0.11 -0.05 0.00 0.00 0.00 0.00 Conv Wind Gust: 38.7 41.8 38.9 49.6 47.6 49.3 52.8 40.7 26.6 36.6 27.6 25.6 21.8 22.6 41.7 Showalter Index: 6.7 8.7 8.4 12.9 14.2 7.7 11.9 4.5 3.4 -2.2 4.4 14.7 13.9 14.5 12.8 Cap Strength(C):-999.9 -999.9 3.8 -999.9 -999.9 -999.9 -999.9 -999.9 0.7 -0.3 0.0 -0.9 0.0 -999.9 -999.9 Storm Dir (deg): 276 269 280 264 245 236 239 230 238 238 308 312 329 352 327 Storm Spd (kts): 12 13 14 13 14 18 22 26 24 22 20 19 17 8 7 2m HeatIndex(F): 51 61 65 56 53 65 70 59 56 57 53 51 49 54 61 2m WindChill(F): 51 61 65 56 53 65 70 59 56 57 53 51 49 54 61 1000mb GPH (m): 159 167 152 152 123 100 80 78 76 70 156 192 205 210 172 950mb GPH (m): 589 598 588 584 554 536 521 512 506 502 583 617 627 634 603 950mb Temp (C): 12.4 11.5 13.9 13.0 14.0 15.5 17.7 14.6 10.9 11.4 8.1 6.8 5.7 6.6 11.2 950mb Dewpt(C): 7.3 7.4 9.9 8.6 6.4 7.7 8.4 9.6 10.8 10.7 7.6 5.7 5.4 5.6 4.4 950mb RH (%): 71 76 77 74 59 59 54 71 99 95 97 93 98 94 62 950mb Dir: 330 264 319 8 85 115 223 215 187 183 255 280 209 339 356 950mb Speed(kt): 4 2 8 8 5 4 4 2 10 22 19 10 7 3 7 900mb GPH (m): 1040 1048 1042 1036 1009 993 980 967 957 952 1027 1058 1068 1076 1051 900mb Temp (C): 9.9 8.8 10.5 10.5 13.6 14.6 13.9 12.1 9.5 8.5 5.1 3.2 2.6 3.4 6.9 900mb Dewpt(C): 9.1 6.6 6.7 1.5 -0.8 5.1 5.8 8.0 9.4 8.4 4.8 2.8 2.2 1.4 3.4 900mb RH (%): 95 86 76 53 36 52 58 76 99 99 98 97 97 86 78 900mb Dir: 272 327 332 321 130 167 198 210 215 198 272 291 290 352 10 900mb Speed(kt): 4 5 6 2 5 8 8 17 23 40 23 15 9 8 8 850mb GPH (m): 1514 1521 1515 1510 1489 1474 1460 1443 1429 1423 1491 1520 1528 1537 1518 850mb Temp (C): 8.1 8.0 7.3 9.6 12.9 12.8 12.2 9.1 6.6 5.8 1.9 0.9 0.2 0.5 5.0 850mb Dewpt(C): 1.7 2.1 3.8 -5.7 -15.9 -1.6 -7.3 5.9 6.4 5.6 1.6 -1.2 -0.4 -2.7 -6.9 850mb RH (%): 64 66 78 33 12 36 25 80 99 98 98 86 95 79 42 850mb Dir: 287 300 269 238 179 193 206 210 215 211 297 283 315 358 75 850mb Speed(kt): 9 5 8 7 8 15 21 30 28 37 29 19 13 12 12 800mb GPH (m): 2013 2020 2013 2013 1995 1980 1964 1945 1924 1917 1977 2004 2012 2024 2011 800mb Temp (C): 7.0 6.3 7.2 9.7 10.6 10.6 9.2 7.6 3.4 3.4 -1.1 -2.1 -2.2 1.4 3.7 800mb Dewpt(C): -2.4 2.5 -12.6 -28.5 -14.8 -6.8 1.1 1.2 2.9 1.5 -1.5 -7.7 -4.5 -20.4 -30.1 800mb RH (%): 51 76 23 5 15 28 57 63 97 87 97 65 84 18 7 800mb Dir: 264 236 241 228 194 197 209 210 213 213 301 281 321 357 47 800mb Speed(kt): 9 12 13 12 11 20 29 34 26 35 31 21 20 12 9 750mb GPH (m): 2541 2547 2542 2544 2528 2514 2497 2474 2445 2438 2489 2514 2522 2541 2531 750mb Temp (C): 4.0 4.5 5.7 6.7 6.8 6.8 6.5 4.9 0.3 0.5 -3.7 -4.5 -3.6 -0.3 0.9 750mb Dewpt(C): -3.5 -7.0 -21.1 -8.7 -3.2 -1.3 -1.4 3.5 -1.0 -2.0 -5.0 -27.7 -16.0 -37.2 -34.3 750mb RH (%): 58 42 12 32 49 56 57 90 91 83 91 15 38 4 5 750mb Dir: 247 235 239 227 206 196 209 204 216 216 298 278 322 351 32 750mb Speed(kt): 15 18 15 16 15 24 32 36 32 36 31 25 27 11 5 700mb GPH (m): 3099 3106 3102 3106 3090 3078 3060 3035 2996 2988 3033 3054 3066 3089 3081 700mb Temp (C): 2.2 1.9 2.4 2.6 2.8 4.0 3.3 2.3 -2.1 -3.2 -5.4 -7.1 -4.8 -3.2 -1.7 700mb Dewpt(C): -14.9 -12.4 -12.8 -4.3 -4.9 -6.2 0.5 0.9 -5.5 -5.6 -8.7 -33.0 -39.0 -40.6 -46.4 700mb RH (%): 27 34 32 60 57 47 82 90 77 83 77 11 5 4 2 700mb Dir: 244 234 241 224 214 206 210 200 220 216 290 281 318 342 335 700mb Speed(kt): 21 22 19 19 19 29 36 42 36 36 31 28 28 8 2 650mb GPH (m): 3694 3699 3697 3701 3687 3676 3657 3630 3581 3571 3611 3628 3646 3672 3667 650mb Temp (C): -0.7 -1.6 -1.5 -1.0 -0.2 0.4 -0.4 -1.1 -5.4 -6.3 -8.7 -9.4 -6.2 -5.7 -4.5 650mb Dewpt(C): -18.9 -15.4 -10.4 -7.4 -4.7 -4.6 -5.1 -5.3 -9.7 -24.6 -11.3 -37.7 -45.4 -49.2 -39.9 650mb RH (%): 24 34 51 61 72 69 70 73 72 22 82 8 3 2 5 650mb Dir: 239 234 243 226 225 210 209 198 217 209 282 280 312 321 242 650mb Speed(kt): 24 25 21 24 26 37 41 48 38 35 30 32 29 8 6 600mb GPH (m): 4327 4331 4329 4336 4322 4314 4292 4264 4206 4189 4226 4242 4268 4294 4292 600mb Temp (C): -4.9 -5.6 -5.2 -3.5 -4.8 -2.9 -4.2 -4.6 -8.0 -12.2 -12.5 -12.3 -8.6 -8.2 -7.5 600mb Dewpt(C): -24.0 -18.0 -11.9 -14.8 -5.5 -8.0 -12.2 -10.9 -11.1 -20.9 -15.3 -45.8 -42.7 -41.2 -29.0 600mb RH (%): 21 37 59 41 95 68 54 62 79 49 80 5 5 5 17 600mb Dir: 235 236 241 232 221 212 206 197 212 206 276 281 299 310 231 600mb Speed(kt): 28 27 26 25 35 41 45 53 44 30 31 37 31 12 10 550mb GPH (m): 5004 5007 5008 5018 5005 4997 4973 4943 4877 4846 4884 4905 4939 4966 4964 550mb Temp (C): -9.9 -10.0 -8.4 -8.0 -7.4 -7.9 -8.8 -9.7 -11.8 -18.3 -17.3 -13.3 -10.7 -10.9 -11.4 550mb Dewpt(C): -26.6 -14.0 -17.3 -12.8 -10.0 -14.0 -15.8 -13.4 -14.0 -22.6 -21.1 -54.2 -37.5 -29.8 -27.4 550mb RH (%): 25 73 49 68 82 61 57 74 84 69 73 2 9 20 26 550mb Dir: 237 234 246 236 225 215 206 194 202 207 266 286 287 296 234 550mb Speed(kt): 31 32 35 31 39 43 50 55 47 21 30 43 38 19 13 500mb GPH (m): 5731 5737 5741 5753 5740 5730 5705 5672 5600 5550 5591 5628 5665 5690 5687 500mb Temp (C): -15.2 -13.0 -12.6 -12.3 -12.0 -13.0 -12.1 -13.6 -16.1 -22.8 -22.2 -14.6 -15.4 -16.1 -16.5 500mb Dewpt(C): -18.8 -18.9 -28.0 -16.6 -13.3 -14.8 -13.3 -15.1 -19.0 -42.6 -33.5 -44.5 -30.4 -40.1 -30.3 500mb RH (%): 74 62 27 71 90 87 91 89 79 16 36 6 27 11 30 500mb Dir: 244 236 245 233 226 216 215 193 195 222 252 286 277 281 241 500mb Speed(kt): 36 40 43 39 42 44 47 55 51 17 35 50 42 23 18 450mb GPH (m): 6521 6531 6538 6550 6538 6527 6503 6466 6387 6316 6359 6418 6450 6473 6468 450mb Temp (C): -19.6 -18.6 -17.2 -18.1 -17.6 -17.2 -17.3 -18.3 -20.9 -27.3 -25.5 -20.0 -22.0 -22.3 -22.9 450mb Dewpt(C): -22.3 -22.2 -39.7 -21.4 -19.2 -19.1 -19.2 -20.1 -23.6 -63.7 -52.6 -37.0 -43.5 -35.1 -32.0 450mb RH (%): 79 74 13 75 88 85 85 86 79 2 7 21 13 31 44 450mb Dir: 247 243 242 232 228 217 214 200 186 233 250 282 271 267 237 450mb Speed(kt): 42 45 45 44 46 42 48 54 55 21 41 55 47 30 24 400mb GPH (m): 7386 7397 7409 7419 7409 7399 7375 7335 7245 7154 7210 7276 7304 7327 7321 400mb Temp (C): -25.1 -25.0 -23.9 -23.8 -23.8 -23.2 -22.9 -23.7 -27.2 -32.5 -27.4 -28.1 -28.2 -28.7 -29.0 400mb Dewpt(C): -33.0 -30.0 -46.4 -29.3 -26.4 -25.6 -25.0 -25.9 -29.7 -55.2 -60.7 -47.9 -47.4 -36.8 -31.6 400mb RH (%): 49 64 12 62 79 81 83 82 80 10 3 14 15 47 78 400mb Dir: 259 243 248 234 232 214 213 201 183 242 260 275 264 250 241 400mb Speed(kt): 49 50 46 44 46 42 52 51 65 23 50 57 54 40 36 350mb GPH (m): 8342 8351 8365 8378 8369 8361 8339 8295 8189 8083 8162 8217 8245 8268 8260 350mb Temp (C): -32.2 -32.7 -32.0 -31.2 -31.4 -30.6 -30.0 -30.9 -35.8 -37.6 -31.5 -36.2 -36.2 -35.7 -36.5 350mb Dewpt(C): -38.9 -35.4 -40.2 -37.5 -34.8 -33.7 -32.9 -34.0 -39.8 -64.9 -59.9 -46.7 -51.1 -47.1 -41.7 350mb RH (%): 52 78 45 55 73 74 77 75 68 5 5 35 21 32 60 350mb Dir: 268 251 261 235 235 214 210 198 179 224 262 263 259 249 238 350mb Speed(kt): 62 60 54 47 48 45 53 58 74 31 61 61 61 44 42 300mb GPH (m): 9409 9416 9437 9451 9440 9435 9415 9369 9246 9139 9240 9269 9296 9319 9311 300mb Temp (C): -41.4 -41.7 -40.1 -40.1 -40.3 -39.9 -39.9 -39.5 -42.4 -40.2 -38.5 -43.8 -44.4 -44.6 -44.4 300mb Dewpt(C): -47.6 -45.3 -44.9 -47.0 -43.8 -43.4 -43.2 -42.9 -53.2 -65.7 -59.6 -61.3 -54.7 -52.6 -50.0 300mb RH (%): 53 69 61 49 70 70 72 71 32 6 10 14 32 43 56 300mb Dir: 268 254 252 240 233 215 211 193 175 219 264 263 258 243 229 300mb Speed(kt): 69 69 65 54 53 51 54 69 88 46 72 60 61 54 50 250mb GPH (m): 10618 10626 10649 10665 10655 10651 10631 10586 10456 10377 10471 10476 10497 10517 10514 250mb Temp (C): -52.2 -51.6 -52.1 -51.4 -50.8 -50.2 -50.9 -50.6 -49.7 -42.2 -45.1 -48.2 -50.2 -51.3 -50.1 250mb Dewpt(C): -57.2 -59.9 -57.1 -57.9 -54.4 -54.2 -54.5 -54.3 -59.5 -72.4 -63.2 -62.8 -62.0 -58.9 -61.0 250mb RH (%): 57 38 56 48 67 65 67 66 33 3 13 19 26 42 29 250mb Dir: 268 250 248 248 234 213 210 196 176 224 255 257 254 238 227 250mb Speed(kt): 75 80 63 55 57 61 57 80 93 50 53 53 61 62 62 200mb GPH (m): 12022 12030 12052 12071 12067 12067 12046 11999 11901 11871 11948 11949 11951 11963 11963 200mb Temp (C): -62.6 -63.8 -62.7 -63.0 -62.4 -61.8 -60.4 -60.0 -52.6 -46.2 -47.7 -46.5 -49.7 -51.3 -51.6 200mb Dewpt(C): -67.8 -69.2 -69.1 -67.0 -65.4 -66.3 -63.8 -65.2 -74.3 -78.5 -78.9 -83.0 -76.4 -74.4 -74.5 200mb RH (%): 52 50 45 60 69 57 67 53 7 2 2 1 4 6 6 200mb Dir: 269 244 263 241 231 212 212 207 195 231 255 253 255 244 235 200mb Speed(kt): 67 76 62 49 57 69 59 79 69 48 57 49 60 62 58 150mb GPH (m): 13807 13813 13824 13838 13835 13843 13842 13813 13767 13767 13825 13840 13829 13835 13827 150mb Temp (C): -58.4 -55.9 -56.6 -59.8 -60.4 -60.1 -57.6 -55.1 -51.2 -49.3 -52.7 -50.5 -51.1 -50.8 -51.3 150mb Dewpt(C): -80.9 -80.7 -82.7 -80.9 -80.4 -81.3 -82.3 -84.7 -86.4 -85.1 -82.7 -85.9 -86.4 -87.2 -86.3 150mb RH (%): 5 4 3 6 7 6 4 2 1 1 2 1 1 1 1 150mb Dir: 255 251 247 250 240 226 222 213 214 241 264 250 250 243 243 150mb Speed(kt): 54 44 43 52 50 51 49 52 49 42 47 47 51 45 49 100mb GPH (m): 16384 16389 16397 16399 16387 16397 16413 16408 16391 16402 16423 16442 16437 16444 16443 100mb Temp (C): -54.5 -55.0 -54.8 -55.1 -56.5 -55.6 -55.1 -53.1 -52.3 -52.5 -53.7 -55.1 -55.9 -56.5 -54.8 100mb Dewpt(C): -88.8 -89.1 -89.1 -84.7 -90.4 -89.6 -89.2 -87.8 -87.2 -87.3 -88.2 -89.2 -89.8 -90.2 -89.0 100mb RH (%): 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 100mb Dir: 229 236 236 239 236 230 224 227 224 232 244 263 251 241 254 100mb Speed(kt): 36 35 38 35 37 35 38 38 31 29 29 29 27 32 30