Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z SEP 22, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 992.7 993.8 992.9 994.7 995.5 996.7 994.6 995.0 991.3 987.2 987.5 987.9 988.5 992.7 996.2 Mean SLP (mb): 1016.9 1017.9 1016.7 1019.0 1020.0 1021.1 1018.7 1019.5 1016.0 1011.4 1011.3 1012.2 1012.9 1017.3 1020.6 2m agl Tmp (F): 56.3 62.2 67.2 56.7 53.5 58.4 63.1 52.7 48.0 62.1 64.8 56.4 53.0 50.7 57.0 2m agl Dewpt(F): 52.7 54.6 50.8 49.7 50.0 51.0 48.9 44.4 44.4 47.5 46.0 49.7 51.7 48.7 44.9 2m agl RH (%): 88 76 55 77 88 76 59 73 87 58 50 78 95 92 63 10m agl Dir: 285 279 291 342 340 280 305 336 51 81 239 279 291 290 275 10m agl Spd(kt): 1 5 6 3 1 2 6 3 3 3 7 1 3 6 7 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.25 0.11 0.01 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.28 0.39 0.40 Sfc CAPE (J/kg): 0.5 37.0 21.5 0.0 0.1 4.9 5.2 0.0 0.0 0.0 0.0 0.0 15.9 30.3 33.7 Sfc CINH (J/kg): -0.3 0.0 0.0 0.0 -2.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -0.4 0.0 0.0 0-3km Hel(J/kg): 12.3 33.0 41.8 86.2 81.6 84.0 102.7 122.7 96.8 140.6 157.4 128.6 47.3 29.5 60.8 Precip H20 (in): 0.63 0.68 0.65 0.62 0.70 0.69 0.65 0.60 0.66 0.81 0.80 1.10 0.95 0.78 0.50 Lifted Index(C): 5.4 4.0 4.5 5.9 7.1 10.1 9.5 11.8 11.9 6.0 8.6 2.7 0.0 3.6 13.5 700mb VV(-ub/s): 0.7 0.3 0.5 -1.6 0.9 -0.7 -0.2 -3.4 1.4 1.9 4.4 -3.5 1.2 -1.1 -1.9 Thk1000-500mb(m)5603.5 5587.1 5586.5 5574.1 5559.7 5552.3 5578.1 5582.6 5603.3 5625.5 5590.3 5547.2 5494.8 5454.7 5489.2 Thk1000-850mb(m)1354.8 1354.9 1365.3 1355.1 1347.7 1345.8 1353.6 1347.3 1355.7 1371.9 1364.6 1354.2 1343.4 1331.3 1337.9 Thk850-700mb(m):1601.2 1593.6 1584.2 1583.9 1580.5 1578.9 1585.4 1591.9 1599.0 1604.5 1588.5 1578.3 1570.1 1556.2 1545.1 SWEAT Index: 105.0 96.4 100.5 77.7 58.6 71.3 57.7 51.8 40.6 62.6 98.1 193.6 156.7 64.8 85.2 Total Totals Idx 40.7 40.6 40.9 37.3 35.0 33.6 27.0 22.1 9.6 25.9 33.4 45.7 50.5 45.7 27.1 Frz Hgt(ft amsl) 12780 12179 11979 11939 11596 11108 11168 11354 11995 12282 10897 9499 8720 7543 6184 0WetBlbHgt(amsl) 7079 6578 6353 6219 8031 6658 5659 5602 9268 9220 5987 8942 8625 7430 5545 Equil Prs (mb): 993 833 993 995 995 997 995 995 991 987 987 988 895 843 764 Equil Hgt(amsl): 26 5477 26 26 26 26 26 26 26 26 26 26 3357 5041 7759 Hail Size(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00 Conv Wind Gust: 28.4 29.0 38.6 33.5 42.6 45.9 33.3 51.9 50.9 48.8 55.4 32.4 6.0 15.1 27.6 Showalter Index: 5.9 6.6 6.1 8.5 10.2 10.6 14.6 15.9 15.2 11.9 10.5 2.4 1.2 5.5 14.9 Cap Strength(C):-999.9 -999.9 4.3 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 2.8 2.1 0.0 Storm Dir (deg): 299 291 293 282 270 269 279 271 243 229 238 244 256 305 331 Storm Spd (kts): 10 10 12 13 14 13 14 14 11 15 25 20 15 13 17 2m HeatIndex(F): 56 62 67 57 53 58 63 53 48 62 65 56 53 51 57 2m WindChill(F): 56 62 67 57 53 58 63 53 48 62 65 56 53 51 57 1000mb GPH (m): 142 151 142 159 166 176 158 162 131 95 96 102 107 143 172 950mb GPH (m): 573 584 580 591 595 605 592 590 559 528 533 532 534 568 601 950mb Temp (C): 12.0 11.8 15.1 12.1 10.7 10.1 12.6 10.5 11.2 14.8 14.6 11.2 8.9 7.3 9.4 950mb Dewpt(C): 11.4 11.3 9.2 8.4 5.5 6.5 8.0 7.0 5.9 6.6 6.7 8.5 8.6 5.9 5.9 950mb RH (%): 96 97 67 78 69 78 73 78 70 57 58 83 98 91 79 950mb Dir: 335 288 293 333 305 299 311 355 48 90 236 161 308 311 279 950mb Speed(kt): 8 6 8 7 3 2 7 10 4 8 10 2 6 12 10 900mb GPH (m): 1024 1035 1035 1042 1044 1053 1043 1038 1010 985 986 982 981 1011 1046 900mb Temp (C): 9.2 9.1 10.7 9.8 8.4 7.6 8.3 8.1 11.7 14.4 11.0 9.6 7.1 4.8 5.2 900mb Dewpt(C): 9.1 7.5 8.2 7.9 6.5 4.4 6.6 -0.9 -8.7 3.4 2.8 9.5 6.8 2.8 4.9 900mb RH (%): 99 90 84 87 87 80 89 53 23 47 57 99 98 87 98 900mb Dir: 331 317 293 248 254 314 318 321 101 133 228 210 266 321 278 900mb Speed(kt): 12 10 8 7 6 5 6 3 3 10 14 16 7 17 11 850mb GPH (m): 1497 1506 1508 1514 1514 1522 1512 1509 1487 1467 1461 1456 1450 1474 1510 850mb Temp (C): 7.7 5.8 6.4 6.2 6.4 5.4 5.7 8.2 12.2 14.0 9.2 7.9 5.7 2.4 2.1 850mb Dewpt(C): 4.9 3.8 4.8 2.1 -1.7 2.0 -3.4 -11.1 -28.1 -14.5 -2.7 7.6 5.4 1.1 0.4 850mb RH (%): 83 87 89 75 56 79 52 24 4 12 43 98 98 91 88 850mb Dir: 313 315 295 263 271 269 249 247 178 173 222 214 233 305 302 850mb Speed(kt): 13 13 9 11 11 5 7 6 5 12 21 22 12 16 18 800mb GPH (m): 1999 2004 2003 2011 2010 2016 2009 2010 1992 1974 1962 1954 1946 1964 1997 800mb Temp (C): 9.8 8.6 6.3 7.1 5.6 5.3 7.6 9.1 10.2 11.0 8.2 5.3 4.7 2.0 -0.6 800mb Dewpt(C): -15.7 -14.9 -12.9 -18.4 -1.3 -6.6 -37.6 -28.2 -12.1 -9.6 -24.9 4.8 4.4 1.5 -4.2 800mb RH (%): 15 17 24 14 61 42 2 5 19 22 8 97 98 96 77 800mb Dir: 285 295 296 289 249 234 232 239 210 191 211 217 247 264 310 800mb Speed(kt): 11 10 14 13 14 15 13 14 10 13 26 23 17 17 19 750mb GPH (m): 2532 2536 2531 2539 2536 2542 2538 2540 2524 2508 2491 2480 2469 2483 2510 750mb Temp (C): 8.3 7.6 5.8 4.9 3.7 4.5 5.5 6.0 6.5 7.2 4.8 2.7 1.1 -1.1 -2.4 750mb Dewpt(C): -20.2 -25.4 -17.5 -10.6 -5.5 -38.8 -25.5 -11.5 -4.5 -4.1 -5.9 1.1 0.7 -1.4 -22.6 750mb RH (%): 11 8 17 32 51 3 9 27 45 44 46 89 97 98 20 750mb Dir: 264 270 274 269 240 239 238 238 217 199 203 224 244 249 304 750mb Speed(kt): 13 12 15 14 20 18 15 18 13 19 32 24 22 20 22 700mb GPH (m): 3098 3099 3092 3098 3094 3100 3097 3101 3086 3071 3049 3034 3020 3030 3055 700mb Temp (C): 5.1 4.2 3.3 2.1 2.1 1.8 1.9 2.6 2.8 3.9 1.4 -0.9 -2.1 -4.3 -3.5 700mb Dewpt(C): -25.0 -18.9 -13.2 -13.1 -18.6 -21.5 -10.6 -13.5 -5.7 -8.4 -2.8 -3.9 -2.4 -5.4 -42.9 700mb RH (%): 9 17 29 31 20 16 39 29 53 40 73 80 98 92 3 700mb Dir: 253 254 256 252 239 239 237 237 218 203 205 227 230 251 292 700mb Speed(kt): 14 15 19 19 24 21 19 21 18 22 40 28 24 21 24 650mb GPH (m): 3698 3697 3688 3693 3689 3693 3691 3695 3682 3670 3643 3622 3606 3610 3637 650mb Temp (C): 1.5 0.1 -0.2 -0.2 -0.8 -2.0 -1.8 -1.7 -0.1 0.4 -1.6 -4.5 -6.3 -8.1 -6.3 650mb Dewpt(C): -31.4 -21.5 -17.6 -23.7 -22.5 -18.5 -11.8 -6.3 -6.7 -3.8 -3.4 -8.1 -6.5 -10.3 -45.7 650mb RH (%): 7 18 26 15 18 27 46 70 61 73 88 76 99 85 3 650mb Dir: 252 244 248 243 237 235 241 234 210 210 208 225 217 254 296 650mb Speed(kt): 15 17 23 24 26 24 22 26 23 26 49 32 24 19 26 600mb GPH (m): 4335 4332 4323 4327 4322 4324 4323 4328 4320 4307 4276 4249 4226 4227 4258 600mb Temp (C): -3.3 -4.2 -4.4 -4.2 -5.0 -6.1 -4.9 -4.2 -3.5 -3.3 -4.9 -7.1 -10.7 -12.5 -8.9 600mb Dewpt(C): -37.9 -24.8 -24.5 -27.3 -25.0 -17.2 -14.5 -11.7 -9.5 -8.3 -11.7 -8.4 -12.6 -15.9 -42.5 600mb RH (%): 5 19 20 15 20 41 47 56 63 68 59 90 86 76 5 600mb Dir: 252 241 247 239 234 234 250 238 208 207 205 220 219 254 299 600mb Speed(kt): 17 19 25 28 29 27 28 30 23 31 54 40 27 20 29 550mb GPH (m): 5016 5011 5001 5006 4999 4999 5003 5011 5001 4989 4956 4923 4889 4887 4930 550mb Temp (C): -8.5 -9.5 -9.3 -9.7 -10.0 -10.6 -8.1 -7.5 -7.9 -8.6 -9.0 -10.8 -15.5 -16.1 -10.0 550mb Dewpt(C): -61.3 -25.4 -36.9 -31.2 -28.9 -14.3 -15.6 -15.6 -11.9 -9.4 -14.8 -11.9 -20.5 -23.2 -61.8 550mb RH (%): 1 27 9 16 20 74 55 53 73 94 63 92 66 55 1 550mb Dir: 245 241 251 237 232 233 250 235 220 210 202 208 218 272 308 550mb Speed(kt): 19 22 25 30 32 32 37 36 28 37 55 41 30 18 38 500mb GPH (m): 5745 5738 5729 5733 5726 5728 5736 5744 5735 5720 5687 5649 5602 5598 5661 500mb Temp (C): -14.0 -15.5 -14.8 -14.5 -15.1 -13.1 -12.4 -12.5 -12.8 -13.2 -13.5 -15.1 -19.7 -21.1 -12.3 500mb Dewpt(C): -53.7 -21.8 -43.8 -41.6 -28.5 -18.5 -22.0 -25.2 -18.8 -14.1 -15.5 -16.6 -35.9 -31.5 -44.4 500mb RH (%): 2 59 7 9 32 64 45 34 61 93 85 88 23 40 5 500mb Dir: 237 240 249 241 233 235 243 232 223 211 205 203 207 294 313 500mb Speed(kt): 19 26 26 30 38 37 44 39 31 40 55 59 37 20 45 450mb GPH (m): 6534 6524 6517 6524 6516 6523 6531 6541 6529 6515 6481 6437 6374 6366 6459 450mb Temp (C): -20.6 -20.8 -20.4 -19.3 -19.2 -18.1 -18.3 -17.7 -18.8 -18.7 -18.1 -20.4 -24.9 -26.6 -16.7 450mb Dewpt(C): -38.5 -27.7 -48.2 -47.6 -23.4 -27.5 -27.1 -35.0 -22.8 -20.8 -20.4 -29.7 -45.6 -39.2 -35.7 450mb RH (%): 20 55 7 7 70 44 47 21 71 84 83 44 14 31 18 450mb Dir: 240 240 250 244 236 240 245 236 220 214 208 201 198 285 310 450mb Speed(kt): 24 24 26 34 42 38 46 39 39 44 57 68 47 21 48 400mb GPH (m): 7392 7383 7378 7388 7383 7390 7399 7411 7396 7381 7349 7298 7221 7208 7332 400mb Temp (C): -27.2 -27.4 -26.6 -25.6 -24.7 -25.3 -24.8 -23.7 -24.8 -25.0 -25.0 -26.3 -29.8 -30.7 -23.5 400mb Dewpt(C): -33.7 -46.3 -49.3 -45.9 -27.6 -29.9 -39.5 -46.5 -32.0 -29.0 -27.8 -31.0 -50.6 -54.0 -38.1 400mb RH (%): 55 16 11 14 77 66 25 11 52 70 78 65 12 9 26 400mb Dir: 243 242 259 242 245 245 253 239 219 214 208 202 188 289 306 400mb Speed(kt): 29 19 27 37 43 42 52 44 44 47 55 72 60 27 51 350mb GPH (m): 8340 8328 8326 8342 8339 8345 8353 8367 8352 8337 8304 8251 8160 8148 8291 350mb Temp (C): -34.0 -35.2 -34.2 -32.2 -32.1 -32.7 -32.8 -32.2 -31.8 -32.2 -32.5 -32.5 -35.6 -34.9 -31.4 350mb Dewpt(C): -39.0 -55.5 -52.4 -38.6 -35.1 -38.4 -44.7 -43.1 -48.2 -39.3 -36.1 -36.6 -56.1 -66.7 -50.3 350mb RH (%): 61 12 15 54 75 57 31 35 19 50 71 68 12 3 15 350mb Dir: 243 252 269 256 257 246 251 244 218 214 211 195 182 306 306 350mb Speed(kt): 32 25 27 41 51 52 61 43 44 47 58 80 67 40 52 300mb GPH (m): 9400 9382 9387 9411 9409 9410 9417 9434 9420 9408 9372 9318 9215 9209 9359 300mb Temp (C): -42.9 -43.9 -42.7 -40.9 -40.7 -41.5 -41.5 -41.5 -41.3 -40.0 -40.7 -40.9 -42.6 -40.6 -41.4 300mb Dewpt(C): -47.4 -58.0 -55.7 -45.0 -46.6 -49.3 -54.0 -54.4 -53.9 -49.2 -55.8 -44.9 -63.7 -63.5 -53.8 300mb RH (%): 62 21 24 66 55 44 26 25 26 39 20 67 9 8 27 300mb Dir: 243 242 281 262 259 251 245 247 220 218 209 198 182 312 305 300mb Speed(kt): 34 29 34 48 59 65 72 46 41 47 67 85 72 51 54 250mb GPH (m): 10605 10583 10590 10625 10621 10621 10627 10641 10628 10623 10584 10529 10429 10435 10568 250mb Temp (C): -51.4 -52.0 -52.2 -51.1 -51.1 -51.1 -51.6 -52.4 -51.7 -50.7 -51.0 -51.6 -48.0 -45.4 -51.0 250mb Dewpt(C): -58.6 -61.7 -60.7 -54.9 -55.7 -55.0 -55.7 -60.4 -63.1 -53.9 -61.4 -55.7 -68.0 -70.1 -62.2 250mb RH (%): 44 32 37 65 60 65 63 40 26 70 30 63 10 6 27 250mb Dir: 228 240 290 270 259 244 237 235 233 217 207 200 190 305 297 250mb Speed(kt): 33 35 42 55 67 76 80 56 42 52 72 87 64 50 57 200mb GPH (m): 12028 12003 12000 12031 12032 12030 12033 12042 12036 12033 12002 11951 11891 11913 12005 200mb Temp (C): -58.0 -57.8 -60.5 -63.0 -62.7 -63.1 -63.2 -63.4 -62.3 -62.1 -59.1 -55.6 -49.6 -48.0 -52.7 200mb Dewpt(C): -68.3 -67.8 -69.0 -68.0 -66.7 -67.2 -66.9 -66.3 -68.1 -66.5 -66.7 -73.5 -77.9 -79.6 -71.3 200mb RH (%): 28 30 35 53 61 59 63 70 48 58 39 11 3 2 10 200mb Dir: 234 243 265 287 257 239 233 242 239 216 210 205 216 297 292 200mb Speed(kt): 36 39 40 55 69 83 83 50 44 58 72 67 44 44 55 150mb GPH (m): 13844 13821 13812 13821 13804 13807 13813 13819 13812 13817 13812 13791 13768 13793 13857 150mb Temp (C): -56.6 -56.2 -56.1 -56.3 -57.9 -57.0 -57.3 -58.9 -60.2 -58.9 -57.0 -53.5 -50.6 -51.1 -54.9 150mb Dewpt(C): -81.3 -83.0 -82.8 -83.2 -82.2 -83.5 -83.6 -81.6 -81.3 -83.1 -83.5 -83.6 -86.0 -86.4 -84.5 150mb RH (%): 4 3 3 3 4 3 3 5 6 4 3 2 1 1 2 150mb Dir: 237 242 241 237 243 240 243 236 234 224 222 220 243 279 290 150mb Speed(kt): 39 36 51 37 39 48 51 51 49 49 52 45 33 30 41 100mb GPH (m): 16418 16399 16400 16396 16375 16378 16389 16389 16381 16388 16401 16403 16392 16409 16439 100mb Temp (C): -55.5 -54.8 -54.8 -55.7 -54.5 -56.0 -54.7 -54.9 -55.2 -54.5 -54.0 -53.1 -53.1 -53.8 -55.0 100mb Dewpt(C): -89.5 -84.5 -89.0 -89.6 -88.7 -85.3 -88.9 -89.0 -89.3 -88.8 -83.9 -87.8 -83.3 -88.3 -89.1 100mb RH (%): 1 2 1 1 1 2 1 1 1 1 2 1 2 1 1 100mb Dir: 232 238 236 236 230 234 229 234 233 219 223 230 238 255 271 100mb Speed(kt): 39 34 38 34 37 37 36 39 40 34 41 32 27 26 24