Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z SEP 21, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 990.2 990.4 990.9 992.6 992.2 993.0 993.3 995.5 994.6 996.2 996.3 996.4 993.9 993.2 991.5 Mean SLP (mb): 1013.7 1014.3 1015.2 1016.9 1016.3 1017.2 1017.7 1019.9 1018.7 1020.6 1020.8 1020.8 1017.9 1017.5 1015.9 2m agl Tmp (F): 74.8 63.0 54.4 55.8 59.8 58.7 54.6 54.9 62.8 54.0 51.8 59.2 64.8 57.0 54.3 2m agl Dewpt(F): 62.0 57.6 54.0 54.7 54.5 54.0 53.0 50.6 46.2 46.5 46.6 47.4 42.8 45.2 46.4 2m agl RH (%): 63 82 99 96 82 84 94 85 54 75 82 64 44 64 74 10m agl Dir: 305 316 278 275 287 280 271 275 296 351 74 282 319 316 130 10m agl Spd(kt): 4 2 2 3 4 5 4 4 7 2 1 2 5 3 2 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.01 0.01 0.01 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 Sfc CAPE (J/kg): 39.5 0.0 0.1 11.5 5.0 11.4 22.1 25.1 0.7 0.0 0.0 0.0 0.0 0.0 0.0 Sfc CINH (J/kg): -56.5 0.0 0.0 0.0 0.0 -0.5 0.0 0.0 -0.4 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 86.4 91.4 87.6 59.9 36.3 48.3 26.5 32.7 53.6 65.6 135.6 105.6 140.0 129.9 88.0 Precip H20 (in): 0.72 0.74 0.82 0.86 0.69 0.71 0.62 0.54 0.50 0.57 0.64 0.66 0.72 0.78 0.96 Lifted Index(C): 0.3 3.2 3.3 2.7 6.5 6.9 7.6 10.1 8.4 10.6 10.5 11.3 10.9 10.8 11.0 700mb VV(-ub/s): -0.2 0.9 1.5 1.0 0.2 -0.2 0.3 0.0 -0.2 -1.9 0.3 0.7 0.5 0.8 1.2 Thk1000-500mb(m)5697.9 5687.3 5658.6 5636.9 5632.6 5615.9 5587.6 5561.7 5566.1 5550.9 5547.0 5559.7 5581.1 5580.4 5567.7 Thk1000-850mb(m)1404.2 1396.8 1376.8 1364.8 1363.8 1356.1 1347.2 1340.4 1351.5 1343.4 1342.6 1348.0 1361.2 1357.5 1355.8 Thk850-700mb(m):1624.5 1624.3 1621.7 1617.1 1612.0 1605.4 1593.6 1584.4 1576.0 1576.9 1574.2 1578.4 1583.6 1586.5 1576.4 SWEAT Index: 36.1 57.9 75.5 80.1 33.9 36.4 93.0 53.9 61.1 68.7 58.5 49.0 46.2 52.6 46.1 Total Totals Idx 41.0 41.0 42.9 43.8 38.0 35.2 38.6 28.1 34.6 28.4 25.2 25.2 31.6 32.0 33.1 Frz Hgt(ft amsl) 13583 13341 13028 12869 13003 12850 12677 11610 11145 10719 10920 10967 11226 10847 9876 0WetBlbHgt(amsl) 9280 9529 9735 9887 8449 8805 7196 5566 5967 5725 6453 7107 6876 6447 6324 Equil Prs (mb): 296 990 991 993 992 893 993 883 995 996 996 996 994 993 992 Equil Hgt(amsl): 31588 26 26 26 26 3570 26 3929 26 26 26 26 26 26 26 Hail Size(in): 0.39 0.30 0.33 0.00 0.20 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 55.8 55.6 51.5 22.5 47.6 18.9 31.3 26.6 32.5 44.0 41.9 46.3 53.0 48.6 44.2 Showalter Index: 4.7 4.6 3.6 3.3 7.2 9.0 7.7 14.1 10.5 13.8 14.8 14.9 11.6 11.3 10.6 Cap Strength(C): 0.0 -999.9 -999.9 8.5 -999.9 4.1 5.3 4.4 0.0 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 212 222 249 261 296 292 291 291 292 287 281 273 268 253 257 Storm Spd (kts): 6 8 8 8 8 9 14 13 14 15 15 13 14 14 13 2m HeatIndex(F): 75 63 54 56 60 59 55 55 63 54 52 59 65 57 54 2m WindChill(F): 75 63 54 56 60 59 55 55 63 54 52 59 65 57 54 1000mb GPH (m): 118 121 127 141 138 145 147 166 158 171 172 173 152 146 132 950mb GPH (m): 563 560 558 570 570 577 576 593 591 600 600 603 587 577 562 950mb Temp (C): 19.8 18.7 14.2 9.6 11.6 11.6 9.3 8.3 12.3 10.0 9.6 9.8 13.7 12.7 12.3 950mb Dewpt(C): 14.1 13.2 11.8 9.6 11.4 11.1 9.0 7.9 6.5 5.7 5.5 6.3 4.3 5.9 6.1 950mb RH (%): 69 70 85 100 98 97 98 97 67 74 75 79 52 63 65 950mb Dir: 319 37 313 304 297 304 306 293 299 338 289 286 326 347 80 950mb Speed(kt): 5 4 6 4 6 11 8 6 9 6 1 1 6 7 1 900mb GPH (m): 1030 1026 1017 1023 1022 1027 1023 1038 1041 1047 1046 1050 1039 1030 1014 900mb Temp (C): 21.9 20.9 16.1 13.0 11.9 8.5 8.6 6.2 7.9 6.6 6.0 8.3 11.1 10.9 10.7 900mb Dewpt(C): 5.5 5.7 10.0 11.6 7.4 8.2 6.4 3.5 5.7 5.8 5.8 -0.1 -4.3 -3.2 0.4 900mb RH (%): 33 36 67 91 73 98 86 83 86 95 99 55 33 37 48 900mb Dir: 70 112 257 301 332 327 327 302 301 258 267 286 348 297 339 900mb Speed(kt): 9 10 2 6 12 8 13 9 9 7 7 2 4 2 1 850mb GPH (m): 1522 1518 1504 1506 1502 1501 1495 1506 1509 1515 1515 1521 1513 1504 1488 850mb Temp (C): 18.7 18.4 16.8 14.8 13.2 10.7 7.0 6.0 4.8 6.2 7.0 7.4 8.0 8.6 8.2 850mb Dewpt(C): 1.4 2.5 4.1 4.6 -0.8 -0.9 2.4 -5.6 0.0 -5.9 -10.2 -8.6 -2.3 -1.8 -0.9 850mb RH (%): 30 34 42 50 38 44 72 43 71 41 28 31 48 47 52 850mb Dir: 107 130 189 283 315 312 325 305 302 288 281 245 239 216 240 850mb Speed(kt): 5 7 4 4 10 9 16 13 12 12 7 4 2 5 4 800mb GPH (m): 2037 2033 2018 2017 2009 2005 1993 2002 2003 2011 2011 2018 2010 2002 1985 800mb Temp (C): 14.1 14.2 14.1 12.7 11.9 10.3 7.8 6.0 4.5 6.0 5.3 4.9 5.9 7.1 5.3 800mb Dewpt(C): 0.2 0.5 1.3 0.7 -9.4 -5.9 -8.8 -15.2 -11.6 -13.7 -7.3 -2.3 -6.2 -11.9 -9.0 800mb RH (%): 38 39 41 43 21 31 30 20 30 23 39 60 41 24 35 800mb Dir: 165 178 184 231 266 276 278 297 283 297 252 229 220 207 226 800mb Speed(kt): 8 7 8 7 9 8 13 13 14 15 10 10 8 13 10 750mb GPH (m): 2576 2573 2557 2556 2546 2540 2525 2529 2528 2536 2534 2542 2537 2531 2510 750mb Temp (C): 10.3 10.2 9.7 9.5 9.6 8.4 7.4 5.9 4.2 2.6 2.2 3.9 5.2 5.4 2.9 750mb Dewpt(C): -10.2 -6.9 -1.8 -0.9 -15.5 -10.1 -16.7 -29.6 -25.7 -2.6 -5.7 -21.9 -22.9 -17.8 2.6 750mb RH (%): 22 29 44 48 15 26 16 6 9 68 56 13 11 17 98 750mb Dir: 175 205 202 213 241 254 261 277 267 274 243 236 232 208 230 750mb Speed(kt): 11 14 13 14 12 11 18 16 17 18 18 16 15 17 18 700mb GPH (m): 3147 3142 3126 3123 3114 3106 3088 3090 3085 3092 3089 3100 3096 3090 3064 700mb Temp (C): 7.9 7.4 6.2 5.7 6.1 5.5 4.7 3.0 1.3 0.6 1.1 1.3 2.4 1.5 -0.3 700mb Dewpt(C): -21.8 -18.4 -13.2 -9.5 -23.2 -13.1 -25.6 -15.9 -20.9 -15.6 -25.3 -18.8 -12.4 -8.2 -0.7 700mb RH (%): 10 14 23 32 10 25 9 23 17 29 12 21 33 48 97 700mb Dir: 182 203 213 212 242 246 252 258 252 258 246 240 230 213 227 700mb Speed(kt): 7 14 16 16 13 13 20 19 21 22 27 22 21 19 22 650mb GPH (m): 3752 3747 3728 3725 3715 3707 3687 3686 3678 3684 3682 3693 3691 3681 3656 650mb Temp (C): 3.4 2.8 2.2 1.6 1.9 1.6 1.2 -1.0 -1.1 -1.4 -1.6 -1.9 -2.0 -2.7 -2.4 650mb Dewpt(C): -22.4 -22.6 -21.8 -20.9 -21.4 -14.8 -26.3 -13.4 -36.1 -29.1 -20.8 -16.6 -7.4 -4.6 -2.7 650mb RH (%): 13 13 15 17 16 28 11 38 5 10 22 32 66 86 97 650mb Dir: 201 197 219 219 241 245 244 245 248 253 253 242 231 216 224 650mb Speed(kt): 8 15 14 14 15 14 22 23 25 28 32 26 28 27 29 600mb GPH (m): 4393 4386 4366 4362 4353 4346 4325 4319 4313 4316 4314 4324 4322 4314 4289 600mb Temp (C): -2.2 -2.8 -3.6 -3.5 -3.0 -3.3 -3.0 -4.7 -3.0 -5.2 -5.0 -5.5 -5.6 -5.2 -5.1 600mb Dewpt(C): -25.8 -27.1 -24.0 -23.7 -25.7 -17.6 -30.9 -19.4 -54.9 -19.9 -25.7 -12.4 -6.4 -5.8 -5.7 600mb RH (%): 15 14 19 20 16 32 10 31 1 31 18 58 94 95 96 600mb Dir: 193 199 222 223 247 243 242 244 249 249 251 244 235 217 229 600mb Speed(kt): 12 17 15 14 14 15 24 28 28 34 37 30 36 35 33 550mb GPH (m): 5078 5070 5049 5044 5036 5028 5006 4998 4995 4994 4991 5002 5000 4993 4968 550mb Temp (C): -6.3 -6.5 -6.7 -7.7 -7.2 -7.7 -8.5 -9.1 -8.3 -9.3 -9.8 -9.3 -8.8 -8.4 -8.8 550mb Dewpt(C): -37.6 -38.6 -39.5 -34.1 -23.7 -35.4 -33.6 -27.2 -33.4 -33.0 -22.6 -15.0 -9.4 -10.1 -9.9 550mb RH (%): 7 6 6 11 26 9 12 22 12 13 35 63 95 87 92 550mb Dir: 186 203 226 229 260 242 245 243 250 243 248 246 234 225 228 550mb Speed(kt): 11 17 16 16 14 16 29 31 32 40 40 33 39 37 35 500mb GPH (m): 5816 5809 5786 5778 5770 5761 5735 5727 5724 5722 5719 5733 5733 5726 5700 500mb Temp (C): -10.4 -10.1 -11.0 -12.2 -12.8 -12.7 -14.6 -13.8 -14.9 -14.0 -14.2 -13.2 -12.9 -12.6 -12.9 500mb Dewpt(C): -44.5 -43.6 -40.9 -39.9 -24.0 -54.6 -31.0 -49.8 -34.6 -40.7 -17.7 -17.4 -14.8 -15.9 -14.2 500mb RH (%): 5 5 7 8 39 2 24 3 18 9 75 71 86 77 90 500mb Dir: 207 214 224 230 261 240 239 249 251 239 247 244 235 230 226 500mb Speed(kt): 9 14 18 17 15 18 32 29 37 45 44 41 42 42 38 450mb GPH (m): 6617 6610 6586 6575 6564 6553 6523 6517 6513 6513 6512 6527 6529 6522 6495 450mb Temp (C): -16.4 -16.0 -16.5 -17.5 -18.9 -19.3 -20.5 -20.5 -20.1 -19.4 -18.5 -18.3 -17.8 -18.3 -18.3 450mb Dewpt(C): -40.6 -37.9 -44.6 -40.3 -28.8 -48.2 -27.8 -42.0 -44.6 -49.6 -23.4 -22.0 -22.7 -20.6 -20.1 450mb RH (%): 11 14 7 13 42 6 52 14 10 6 66 73 66 82 86 450mb Dir: 229 224 227 227 246 240 236 249 256 240 255 247 239 228 221 450mb Speed(kt): 11 16 21 20 18 21 34 29 36 46 49 49 42 47 46 400mb GPH (m): 7492 7484 7459 7446 7429 7417 7385 7374 7373 7376 7380 7395 7398 7390 7364 400mb Temp (C): -22.0 -22.8 -23.6 -24.2 -25.3 -25.6 -25.8 -27.6 -26.7 -26.3 -24.8 -24.8 -24.3 -24.4 -24.8 400mb Dewpt(C): -47.0 -42.2 -35.4 -37.3 -28.1 -43.5 -30.1 -59.1 -40.7 -39.3 -29.9 -28.6 -29.6 -28.8 -27.2 400mb RH (%): 9 16 34 30 78 18 68 4 26 29 63 71 62 68 81 400mb Dir: 212 225 226 221 235 238 244 245 264 247 255 248 246 228 220 400mb Speed(kt): 11 15 23 26 25 25 32 31 35 49 53 51 42 52 50 350mb GPH (m): 8459 8448 8419 8402 8386 8369 8335 8318 8319 8327 8336 8351 8354 8346 8320 350mb Temp (C): -29.7 -30.1 -30.9 -32.1 -31.7 -32.5 -34.4 -35.8 -35.1 -32.8 -32.1 -32.1 -32.7 -32.1 -32.4 350mb Dewpt(C): -46.9 -48.9 -41.9 -36.1 -34.8 -39.2 -39.5 -58.8 -42.0 -42.0 -35.8 -37.1 -37.0 -37.8 -35.6 350mb RH (%): 18 15 34 69 75 53 61 9 51 40 70 62 67 58 74 350mb Dir: 212 189 213 219 236 243 235 238 269 259 260 249 248 229 221 350mb Speed(kt): 7 16 23 28 26 30 39 35 42 49 59 56 44 57 52 300mb GPH (m): 9539 9525 9493 9473 9456 9433 9393 9369 9374 9393 9403 9417 9422 9412 9385 300mb Temp (C): -38.0 -38.3 -39.3 -40.2 -40.5 -42.1 -42.5 -44.0 -44.1 -41.9 -41.8 -41.9 -41.3 -42.0 -42.3 300mb Dewpt(C): -50.0 -55.6 -44.7 -46.1 -43.9 -48.2 -51.7 -57.2 -48.5 -48.8 -46.0 -46.4 -44.5 -50.3 -45.8 300mb RH (%): 29 16 58 55 71 53 37 24 62 48 65 63 72 42 70 300mb Dir: 232 170 212 220 230 242 234 239 279 280 262 248 236 230 222 300mb Speed(kt): 5 16 24 27 27 32 38 35 50 64 64 61 50 59 60 250mb GPH (m): 10769 10755 10714 10691 10671 10640 10600 10568 10570 10599 10611 10622 10628 10618 10587 250mb Temp (C): -47.0 -47.3 -49.2 -49.3 -50.3 -51.1 -51.6 -52.7 -54.0 -52.5 -52.1 -52.5 -52.9 -52.6 -52.8 250mb Dewpt(C): -56.1 -59.6 -55.9 -54.8 -54.3 -61.8 -62.4 -60.8 -58.6 -60.0 -58.0 -56.6 -56.7 -59.2 -57.0 250mb RH (%): 37 25 47 55 65 29 29 39 59 42 52 63 65 46 62 250mb Dir: 213 177 212 215 212 221 235 238 285 282 261 244 234 235 220 250mb Speed(kt): 6 16 21 29 33 35 36 38 59 78 71 66 60 58 71 200mb GPH (m): 12211 12196 12148 12120 12095 12063 12019 11984 11975 12000 12014 12021 12027 12020 11992 200mb Temp (C): -56.8 -56.7 -56.4 -57.6 -58.0 -57.7 -58.4 -58.2 -58.9 -62.4 -64.1 -64.6 -63.3 -62.5 -61.7 200mb Dewpt(C): -64.6 -65.1 -68.6 -64.7 -67.1 -70.3 -67.6 -68.4 -67.0 -66.3 -70.5 -66.5 -66.3 -65.3 -66.7 200mb RH (%): 39 37 23 43 33 21 32 28 37 62 44 79 69 71 54 200mb Dir: 203 182 188 218 219 228 230 240 263 268 265 243 239 240 220 200mb Speed(kt): 9 19 25 26 43 39 38 42 44 65 67 71 64 61 76 150mb GPH (m): 14023 14005 13965 13937 13912 13881 13836 13811 13797 13796 13785 13792 13804 13801 13781 150mb Temp (C): -59.7 -59.3 -57.7 -57.7 -56.6 -57.0 -56.5 -54.7 -54.2 -56.8 -58.3 -57.7 -57.9 -57.5 -58.2 150mb Dewpt(C): -80.9 -80.7 -82.2 -82.2 -79.6 -79.0 -83.3 -84.5 -83.9 -83.3 -82.6 -82.1 -82.3 -82.0 -82.4 150mb RH (%): 6 6 4 4 5 6 3 2 2 3 4 4 4 4 4 150mb Dir: 225 191 221 226 222 222 232 235 248 238 242 245 240 240 233 150mb Speed(kt): 17 19 24 32 43 48 39 36 45 46 49 48 51 54 56 100mb GPH (m): 16546 16529 16510 16485 16474 16452 16411 16395 16389 16384 16362 16369 16376 16382 16361 100mb Temp (C): -60.5 -60.8 -59.1 -58.3 -57.1 -56.7 -55.6 -54.2 -54.9 -54.1 -54.2 -54.3 -55.1 -54.2 -54.4 100mb Dewpt(C): -86.3 -85.0 -87.7 -87.1 -90.5 -90.3 -89.5 -84.1 -89.1 -84.0 -88.5 -88.6 -89.2 -88.6 -88.7 100mb RH (%): 3 4 2 2 1 1 1 2 1 2 1 1 1 1 1 100mb Dir: 244 242 229 229 229 226 231 234 242 234 241 237 238 240 235 100mb Speed(kt): 23 23 27 33 32 36 37 39 37 37 40 41 46 42 40