Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z SEP 12, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 989.0 988.7 987.2 988.0 989.1 991.8 994.0 996.6 997.6 998.0 995.6 995.3 995.2 996.5 995.6 Mean SLP (mb): 1013.3 1012.9 1011.0 1012.2 1013.4 1016.2 1018.3 1021.0 1022.1 1022.5 1019.7 1019.7 1019.8 1021.1 1019.8 2m agl Tmp (F): 54.1 60.4 62.9 58.4 52.8 53.2 57.4 55.0 52.9 56.5 63.6 56.2 48.9 52.9 61.9 2m agl Dewpt(F): 47.4 52.0 49.9 51.4 50.9 52.4 54.2 52.6 51.4 49.6 48.2 48.8 48.2 50.0 49.5 2m agl RH (%): 78 73 62 77 93 97 89 91 94 77 56 76 98 90 63 10m agl Dir: 108 249 221 190 216 219 216 213 212 213 310 317 319 265 312 10m agl Spd(kt): 2 2 2 5 8 9 9 6 4 2 5 3 1 2 5 6hr Precip (in): 0.00 0.00 0.00 0.05 0.12 0.43 0.21 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.05 0.17 0.60 0.82 0.82 0.82 0.82 0.82 0.82 0.83 0.83 0.83 Sfc CAPE (J/kg): 0.0 5.3 18.4 259.4 59.5 76.7 51.0 35.7 39.3 23.6 0.4 0.0 0.0 20.9 5.5 Sfc CINH (J/kg): -2.1 0.0 0.0 -2.2 -4.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 142.3 174.9 147.0 -15.4 58.5 239.9 252.8 152.3 121.7 88.7 27.3 54.5 79.1 95.0 58.2 Precip H20 (in): 0.84 0.77 0.85 0.90 0.88 0.96 0.93 0.67 0.58 0.64 0.74 0.88 0.81 0.59 0.61 Lifted Index(C): 5.7 5.7 3.1 -1.0 2.1 6.1 5.5 7.9 10.4 12.0 9.4 7.1 8.5 9.6 8.9 700mb VV(-ub/s): 2.9 2.9 6.7 -0.9 0.2 5.7 -0.8 -1.5 -1.3 0.0 -1.6 -0.2 0.1 -1.9 -0.9 Thk1000-500mb(m)5556.6 5544.1 5521.5 5468.8 5454.6 5487.5 5531.9 5545.2 5552.7 5574.6 5597.0 5590.5 5574.1 5552.2 5585.9 Thk1000-850mb(m)1353.5 1353.2 1360.1 1351.8 1340.7 1341.5 1350.1 1343.6 1337.9 1339.5 1357.1 1354.5 1344.7 1337.4 1351.8 Thk850-700mb(m):1575.9 1575.2 1567.6 1557.9 1550.2 1553.3 1568.9 1574.3 1576.6 1587.0 1594.2 1597.5 1592.2 1588.7 1593.5 SWEAT Index: 118.0 108.7 124.4 229.4 95.1 114.6 120.4 46.6 50.3 42.6 35.9 45.4 52.1 56.1 41.9 Total Totals Idx 40.6 41.0 44.6 54.8 49.0 40.8 38.8 33.2 29.8 25.6 25.9 37.4 35.4 35.5 32.9 Frz Hgt(ft amsl) 10427 10128 8471 7493 6607 6587 9292 9994 11373 12070 12002 12050 11312 11286 12361 0WetBlbHgt(amsl) 7435 7155 7305 7442 6554 6410 7453 6075 5840 6700 9406 9770 9249 7848 7881 Equil Prs (mb): 989 848 590 470 599 737 789 847 876 998 996 995 995 892 996 Equil Hgt(amsl): 26 4847 14291 19781 13826 8585 6924 5063 4191 26 26 26 26 3658 26 Hail Size(in): 0.00 0.00 -0.02 0.16 -0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 33.3 32.9 39.7 32.4 23.5 23.7 26.3 26.7 23.8 19.8 45.4 44.4 44.3 13.1 45.8 Showalter Index: 6.1 6.3 4.3 -0.7 3.3 7.1 7.7 11.3 13.3 14.8 14.0 8.1 9.2 9.7 10.8 Cap Strength(C):-999.9 -999.9 0.5 0.0 -0.1 0.0 1.5 3.2 3.9 -999.9 -999.9 -999.9 -999.9 4.5 -999.9 Storm Dir (deg): 237 221 219 230 295 328 335 319 338 356 341 328 330 357 8 Storm Spd (kts): 15 16 16 9 12 16 20 15 12 9 9 10 13 14 10 2m HeatIndex(F): 54 60 63 58 53 53 57 55 53 56 64 56 49 53 62 2m WindChill(F): 54 60 63 58 53 53 57 55 53 56 64 56 49 53 62 1000mb GPH (m): 111 108 94 102 112 135 153 175 183 187 166 164 163 175 166 950mb GPH (m): 541 540 530 534 540 563 584 604 610 614 600 595 589 600 599 950mb Temp (C): 12.0 11.1 13.8 12.0 9.2 9.2 10.8 9.7 8.4 8.4 12.6 11.4 9.3 8.0 11.8 950mb Dewpt(C): 8.2 10.0 9.0 9.4 9.1 9.0 10.6 9.4 8.1 8.0 7.3 8.0 7.5 7.5 8.3 950mb RH (%): 77 93 72 84 99 99 98 98 98 98 69 79 89 96 79 950mb Dir: 201 239 228 194 223 226 221 224 224 211 314 336 326 315 320 950mb Speed(kt): 3 2 3 10 18 22 19 18 10 3 5 7 9 3 5 900mb GPH (m): 992 990 982 984 986 1009 1033 1051 1055 1059 1051 1044 1036 1044 1048 900mb Temp (C): 9.5 9.0 9.8 8.2 6.4 6.7 8.0 6.7 5.8 5.5 8.8 9.0 7.3 5.4 7.6 900mb Dewpt(C): 7.8 6.8 7.3 7.5 6.1 6.4 7.8 5.7 4.0 3.1 3.0 3.4 4.7 4.5 6.2 900mb RH (%): 89 86 84 95 98 98 99 93 88 84 67 68 84 94 91 900mb Dir: 219 191 202 198 244 249 245 236 230 241 326 304 315 332 337 900mb Speed(kt): 3 3 4 9 22 27 25 18 10 4 5 5 8 9 6 850mb GPH (m): 1464 1461 1454 1454 1453 1476 1503 1519 1521 1526 1524 1519 1508 1512 1518 850mb Temp (C): 6.9 6.5 6.1 5.3 3.3 3.6 5.4 4.9 4.9 7.7 9.5 10.7 9.5 8.1 8.3 850mb Dewpt(C): 5.0 3.6 4.7 5.1 2.7 3.3 3.3 -0.2 -2.1 -6.9 -9.1 -2.7 -0.7 -2.8 -1.4 850mb RH (%): 87 81 91 99 96 98 86 69 60 34 26 38 48 46 50 850mb Dir: 191 165 181 200 247 256 270 257 287 299 286 289 301 324 9 850mb Speed(kt): 7 7 8 8 21 23 23 14 14 11 8 11 13 11 7 800mb GPH (m): 1961 1957 1950 1947 1942 1965 1997 2013 2016 2025 2024 2022 2010 2013 2019 800mb Temp (C): 4.6 5.1 4.3 2.2 0.4 0.1 3.2 5.6 5.1 6.8 8.2 8.7 8.4 8.0 8.5 800mb Dewpt(C): 3.1 -0.5 0.4 2.0 0.2 -0.3 -1.7 -12.5 -12.4 -9.9 -3.9 1.0 -4.9 -11.2 -8.1 800mb RH (%): 90 67 75 99 99 97 70 26 27 29 42 58 38 24 30 800mb Dir: 185 147 169 214 253 265 294 280 298 314 315 308 301 322 351 800mb Speed(kt): 16 15 15 8 19 21 17 24 22 14 11 14 18 17 8 750mb GPH (m): 2485 2481 2471 2465 2457 2481 2519 2538 2541 2553 2555 2554 2540 2542 2550 750mb Temp (C): 2.7 2.6 0.6 -1.2 -2.7 -1.2 2.2 3.0 3.9 5.3 6.5 6.3 5.4 5.2 6.3 750mb Dewpt(C): -11.8 -12.5 -5.5 -1.4 -3.0 -1.5 -4.3 -9.6 -22.9 -9.7 -3.6 -0.9 -0.4 -7.0 -10.0 750mb RH (%): 33 32 64 98 98 98 62 39 12 33 48 59 66 41 30 750mb Dir: 185 156 166 226 259 293 315 288 307 324 330 306 300 327 336 750mb Speed(kt): 21 22 22 7 18 21 27 27 22 15 17 16 21 20 10 700mb GPH (m): 3040 3036 3021 3012 3003 3029 3072 3093 3098 3113 3118 3116 3100 3101 3112 700mb Temp (C): 0.7 0.3 -2.3 -4.5 -4.9 -3.6 -1.7 -0.3 1.4 3.3 3.5 3.5 2.6 1.6 3.5 700mb Dewpt(C): -20.6 -19.0 -11.7 -4.6 -6.5 -3.8 -3.7 -14.3 -24.1 -9.0 -7.1 -5.8 -9.5 -10.3 -13.9 700mb RH (%): 19 22 49 99 89 98 86 34 13 40 45 50 40 41 27 700mb Dir: 199 173 179 249 259 318 323 299 313 335 330 303 292 334 331 700mb Speed(kt): 24 23 25 5 16 22 31 25 21 15 17 16 24 21 15 650mb GPH (m): 3631 3626 3606 3591 3581 3612 3658 3682 3691 3710 3715 3713 3695 3695 3709 650mb Temp (C): -2.2 -3.1 -5.5 -8.5 -8.7 -6.3 -4.9 -2.7 -0.9 -0.2 -0.4 -0.3 -1.8 -1.2 0.4 650mb Dewpt(C): -17.7 -16.3 -14.3 -8.6 -9.3 -7.1 -9.9 -19.6 -23.7 -13.2 -9.9 -11.2 -8.5 -21.3 -23.6 650mb RH (%): 29 35 50 99 95 95 68 26 16 37 49 44 60 20 15 650mb Dir: 209 190 187 255 272 328 323 309 320 341 325 300 290 335 328 650mb Speed(kt): 30 28 27 5 11 21 34 24 20 15 17 17 26 26 21 600mb GPH (m): 4262 4254 4228 4207 4197 4234 4284 4313 4325 4346 4350 4348 4326 4326 4344 600mb Temp (C): -5.8 -7.2 -9.7 -12.9 -12.6 -9.9 -7.2 -5.2 -4.5 -3.8 -3.8 -4.4 -5.3 -5.8 -4.3 600mb Dewpt(C): -19.9 -18.2 -17.8 -15.9 -14.2 -11.4 -10.2 -24.2 -18.3 -19.1 -13.6 -13.2 -11.0 -23.1 -30.9 600mb RH (%): 32 41 52 79 88 89 79 21 33 29 47 50 64 24 11 600mb Dir: 211 199 200 230 293 336 326 318 327 339 311 294 294 335 330 600mb Speed(kt): 36 35 29 10 9 21 36 22 19 16 16 19 25 28 21 550mb GPH (m): 4938 4927 4894 4864 4856 4901 4959 4991 5005 5027 5031 5027 5005 5001 5022 550mb Temp (C): -9.6 -11.0 -13.4 -17.3 -16.2 -12.9 -10.6 -9.2 -8.6 -7.6 -8.1 -9.5 -8.3 -10.5 -9.2 550mb Dewpt(C): -15.6 -24.0 -15.4 -26.5 -16.5 -15.3 -14.8 -22.2 -24.0 -23.6 -18.0 -14.9 -19.6 -36.8 -38.7 550mb RH (%): 62 34 84 45 98 83 71 34 28 27 45 65 40 10 7 550mb Dir: 215 202 202 212 355 354 329 327 337 340 295 286 305 326 340 550mb Speed(kt): 39 44 42 16 13 21 35 21 19 19 17 22 22 32 22 500mb GPH (m): 5667 5652 5615 5571 5566 5622 5685 5720 5736 5761 5763 5755 5737 5727 5752 500mb Temp (C): -14.3 -15.4 -16.9 -22.2 -21.5 -17.0 -15.0 -14.2 -13.5 -12.4 -12.7 -14.7 -13.3 -15.1 -13.0 500mb Dewpt(C): -17.0 -24.3 -17.7 -29.2 -22.3 -19.4 -23.9 -24.6 -28.4 -28.1 -23.4 -16.3 -30.7 -45.3 -50.6 500mb RH (%): 81 47 93 54 93 82 47 42 28 26 41 88 22 6 3 500mb Dir: 219 206 189 185 14 359 333 336 343 338 285 286 302 318 352 500mb Speed(kt): 43 51 51 37 20 29 34 19 22 20 20 24 25 34 28 450mb GPH (m): 6458 6440 6395 6338 6335 6404 6473 6509 6528 6557 6559 6545 6529 6514 6545 450mb Temp (C): -19.8 -20.2 -23.9 -25.4 -26.0 -22.4 -20.5 -20.7 -19.2 -17.9 -18.1 -19.1 -19.9 -20.5 -19.5 450mb Dewpt(C): -23.2 -23.3 -25.2 -29.1 -29.4 -25.7 -35.6 -32.4 -35.6 -36.3 -30.0 -21.1 -30.9 -58.7 -36.0 450mb RH (%): 74 77 89 72 74 75 26 35 23 19 35 84 38 2 23 450mb Dir: 224 213 185 153 43 9 330 333 341 339 281 290 298 326 338 450mb Speed(kt): 48 59 57 52 28 39 32 18 24 16 23 24 32 38 29 400mb GPH (m): 7322 7303 7244 7187 7179 7260 7335 7370 7393 7425 7427 7411 7388 7374 7406 400mb Temp (C): -25.3 -25.3 -29.6 -29.8 -31.2 -27.6 -25.7 -25.6 -25.0 -24.7 -24.4 -24.9 -27.5 -27.2 -27.5 400mb Dewpt(C): -28.7 -30.5 -39.7 -33.7 -34.4 -30.6 -44.2 -45.8 -39.4 -42.2 -41.8 -27.6 -37.1 -58.2 -36.3 400mb RH (%): 74 63 38 70 74 76 17 14 26 19 19 78 41 4 44 400mb Dir: 233 220 194 134 45 19 330 326 344 336 282 284 297 329 329 400mb Speed(kt): 57 71 70 59 37 45 31 18 27 17 24 27 36 41 26 350mb GPH (m): 8278 8259 8186 8122 8109 8202 8285 8322 8348 8379 8384 8367 8333 8318 8350 350mb Temp (C): -31.4 -31.5 -33.6 -37.9 -39.0 -35.8 -33.9 -33.4 -32.2 -33.0 -32.1 -32.4 -35.0 -34.9 -34.5 350mb Dewpt(C): -34.9 -34.8 -58.1 -42.6 -43.0 -39.4 -47.9 -44.2 -42.6 -52.2 -54.4 -35.8 -39.1 -56.6 -38.6 350mb RH (%): 72 73 8 62 67 71 25 35 36 14 10 72 67 10 68 350mb Dir: 237 227 202 129 38 15 327 328 350 336 287 275 283 337 329 350mb Speed(kt): 71 84 87 61 50 55 26 20 28 19 26 32 34 47 30 300mb GPH (m): 9353 9331 9258 9167 9158 9251 9342 9385 9418 9441 9451 9433 9387 9375 9405 300mb Temp (C): -39.1 -39.4 -37.8 -41.4 -39.3 -45.2 -43.8 -41.4 -40.4 -42.6 -41.4 -41.6 -44.4 -43.0 -43.9 300mb Dewpt(C): -42.7 -44.1 -56.1 -57.1 -56.1 -49.0 -52.2 -55.2 -53.3 -50.4 -48.9 -45.5 -48.3 -59.7 -50.0 300mb RH (%): 70 62 14 18 17 66 41 23 26 44 46 67 66 16 53 300mb Dir: 239 225 209 146 48 35 328 346 341 337 301 272 273 341 341 300mb Speed(kt): 87 99 104 43 27 47 19 30 23 22 27 35 37 49 36 250mb GPH (m): 10576 10562 10498 10415 10411 10467 10544 10607 10636 10650 10659 10640 10586 10583 10613 250mb Temp (C): -47.5 -45.3 -43.4 -38.8 -38.7 -42.9 -48.0 -44.9 -48.4 -49.5 -51.1 -51.4 -50.5 -49.4 -48.5 250mb Dewpt(C): -53.2 -55.0 -61.4 -78.2 -77.6 -72.7 -60.0 -61.3 -57.9 -62.8 -56.4 -55.6 -63.8 -65.4 -66.3 250mb RH (%): 54 35 13 1 1 3 26 16 34 22 55 62 21 15 13 250mb Dir: 241 231 216 200 271 332 330 348 313 315 309 271 283 334 355 250mb Speed(kt): 107 111 94 30 11 20 32 33 24 25 29 38 35 37 45 200mb GPH (m): 12031 12026 11984 11938 11934 11970 12026 12088 12087 12097 12095 12075 12029 12031 12063 200mb Temp (C): -52.9 -51.6 -46.6 -41.4 -41.7 -43.7 -45.6 -47.6 -51.3 -52.4 -53.8 -53.5 -53.1 -53.1 -53.5 200mb Dewpt(C): -67.0 -70.4 -77.2 -96.3 -79.8 -81.2 -74.5 -76.1 -74.2 -71.1 -72.8 -71.5 -72.9 -73.4 -73.0 200mb RH (%): 19 10 2 0 1 1 3 3 6 10 10 11 9 8 9 200mb Dir: 254 233 217 224 266 296 320 297 308 300 293 271 278 319 354 200mb Speed(kt): 97 76 61 28 20 23 39 29 28 29 31 44 35 32 37 150mb GPH (m): 13875 13884 13877 13868 13855 13881 13926 13964 13951 13955 13944 13926 13890 13888 13908 150mb Temp (C): -53.8 -52.7 -50.7 -46.6 -48.0 -48.4 -50.3 -53.3 -52.4 -53.9 -53.9 -53.9 -51.8 -51.8 -53.3 150mb Dewpt(C): -83.7 -83.2 -86.1 -83.2 -84.1 -84.4 -85.9 -83.4 -87.4 -83.4 -83.5 -83.9 -86.7 -86.9 -87.4 150mb RH (%): 2 2 1 1 1 1 1 2 1 2 2 2 1 1 1 150mb Dir: 249 236 218 245 265 288 307 294 286 281 277 275 277 306 331 150mb Speed(kt): 48 44 34 21 21 23 36 31 32 26 34 38 38 29 28 100mb GPH (m): 16463 16480 16499 16506 16492 16502 16524 16538 16519 16520 16510 16504 16479 16482 16499 100mb Temp (C): -56.3 -55.5 -55.1 -54.4 -53.5 -54.7 -56.3 -58.1 -59.0 -59.0 -59.2 -57.9 -57.3 -56.4 -56.4 100mb Dewpt(C): -90.1 -89.5 -89.2 -88.7 -88.1 -88.9 -90.0 -90.7 -87.7 -87.7 -87.8 -86.9 -86.4 -90.2 -90.1 100mb RH (%): 1 1 1 1 1 1 1 1 2 2 2 2 2 1 1 100mb Dir: 276 268 241 256 268 283 300 282 278 281 279 281 285 293 304 100mb Speed(kt): 23 17 18 18 17 22 21 20 24 21 28 25 30 23 26