Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z AUG 26, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 993.2 994.0 992.2 992.4 993.1 994.5 993.7 994.9 994.7 994.8 992.1 993.5 993.8 995.2 995.6 Mean SLP (mb): 1017.4 1018.1 1015.8 1016.3 1017.3 1018.7 1017.5 1019.1 1019.1 1019.1 1015.9 1017.8 1018.2 1019.6 1019.9 2m agl Tmp (F): 57.6 62.4 73.0 67.2 60.4 62.9 69.7 57.8 53.6 57.0 68.8 55.5 53.7 55.5 59.0 2m agl Dewpt(F): 54.1 54.8 56.4 56.3 54.4 53.8 54.2 53.4 52.8 53.2 52.5 50.0 49.0 51.1 50.8 2m agl RH (%): 88 76 55 67 80 72 57 85 97 87 55 81 84 85 73 10m agl Dir: 114 220 254 306 207 209 287 327 350 301 296 301 262 236 266 10m agl Spd(kt): 1 3 4 1 5 4 6 4 2 3 7 5 4 5 5 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 0.00 0.00 0.02 0.05 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.03 0.08 Sfc CAPE (J/kg): 0.0 3.0 0.3 3.9 5.7 11.8 26.5 0.3 4.6 8.1 2.2 0.6 1.4 216.8 93.7 Sfc CINH (J/kg): -0.2 -0.4 0.0 -7.6 -0.5 0.0 0.0 0.0 -0.2 -0.4 0.0 0.0 -4.7 0.0 0.0 0-3km Hel(J/kg): 19.3 43.5 109.3 135.5 83.5 65.7 60.6 82.2 66.2 69.5 79.1 72.7 33.6 4.6 67.6 Precip H20 (in): 0.94 0.88 0.88 0.89 0.77 0.73 0.82 0.82 0.81 0.76 0.77 0.84 0.73 0.74 0.81 Lifted Index(C): 5.7 7.0 3.7 3.9 6.2 7.2 6.1 8.0 10.3 9.7 5.2 6.3 5.2 0.2 1.3 700mb VV(-ub/s): 1.6 1.0 0.4 -1.1 0.0 -0.2 -1.6 -2.0 -0.8 -0.3 0.7 0.0 -0.7 0.4 -1.5 Thk1000-500mb(m)5664.0 5647.9 5656.1 5649.2 5614.5 5588.6 5606.1 5601.2 5588.2 5582.3 5590.5 5549.2 5482.6 5431.2 5472.3 Thk1000-850mb(m)1370.3 1367.3 1382.3 1375.6 1358.4 1355.2 1370.2 1358.6 1352.0 1352.5 1368.4 1352.3 1341.0 1339.5 1346.7 Thk850-700mb(m):1625.0 1614.4 1606.4 1601.8 1594.7 1584.1 1585.1 1590.2 1586.9 1584.5 1582.5 1572.6 1560.7 1547.2 1553.6 SWEAT Index: 52.9 66.1 135.9 173.3 108.1 140.3 118.1 103.9 75.8 59.3 67.3 116.9 95.1 115.5 93.1 Total Totals Idx 34.6 35.7 39.4 39.7 36.3 38.2 35.6 36.1 34.1 34.5 36.6 40.5 42.9 51.5 49.1 Frz Hgt(ft amsl) 13227 13380 13508 13854 13112 12474 11799 12281 11978 11643 11588 10340 8395 6684 7194 0WetBlbHgt(amsl) 11760 10877 9828 8808 7659 7589 8565 8482 8306 8475 8196 7287 6071 6341 6922 Equil Prs (mb): 993 994 992 844 993 836 776 995 995 995 992 994 994 472 504 Equil Hgt(amsl): 26 26 26 5172 26 5410 7455 26 26 26 26 26 26 19742 18305 Hail Size(in): 0.00 0.00 0.13 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 -0.13 Conv Wind Gust: 50.1 45.6 51.3 37.1 30.8 28.1 37.5 40.9 40.0 37.2 40.7 31.8 25.2 27.8 32.3 Showalter Index: 8.5 8.2 5.7 5.2 8.4 7.1 8.2 8.1 9.7 9.5 8.4 6.1 6.1 2.3 3.0 Cap Strength(C):-999.9 -999.9 -999.9 5.4 -999.9 -999.9 -999.9 -999.9 -999.9 1.6 -999.9 -999.9 -999.9 -1.3 0.0 Storm Dir (deg): 220 229 243 242 245 256 277 274 277 274 277 276 274 311 343 Storm Spd (kts): 12 14 18 22 21 18 15 13 12 11 12 13 13 7 12 2m HeatIndex(F): 58 62 73 67 60 63 70 58 54 57 69 56 54 56 59 2m WindChill(F): 58 62 73 67 60 63 70 58 54 57 69 56 54 56 59 1000mb GPH (m): 146 153 136 139 146 157 150 160 159 159 136 149 151 163 167 950mb GPH (m): 579 587 578 578 579 590 589 592 587 588 575 578 579 591 598 950mb Temp (C): 13.1 12.2 17.9 16.7 11.9 11.7 15.8 12.6 10.9 9.8 15.5 10.9 8.6 8.8 10.9 950mb Dewpt(C): 12.8 11.5 12.0 12.6 11.5 10.7 10.9 9.2 9.3 9.1 10.1 8.6 7.6 8.6 9.0 950mb RH (%): 98 96 68 76 97 93 72 79 89 95 69 86 93 98 88 950mb Dir: 235 209 250 263 208 204 286 336 348 320 300 318 285 239 268 950mb Speed(kt): 1 3 4 3 8 5 7 9 6 4 9 11 8 6 8 900mb GPH (m): 1033 1039 1038 1036 1030 1040 1045 1045 1038 1038 1030 1029 1024 1037 1046 900mb Temp (C): 13.5 12.7 13.8 13.2 9.8 8.8 11.4 10.4 9.7 9.9 11.0 9.5 6.5 6.0 6.9 900mb Dewpt(C): 9.9 8.4 9.9 10.7 9.1 7.1 9.3 8.3 5.6 5.7 8.9 6.8 6.1 5.3 6.5 900mb RH (%): 78 75 77 85 95 89 87 87 75 75 86 83 97 95 97 900mb Dir: 216 212 226 211 208 234 285 275 338 340 304 289 279 292 276 900mb Speed(kt): 6 11 4 9 8 7 7 6 7 10 9 5 9 10 10 850mb GPH (m): 1517 1520 1518 1514 1504 1513 1520 1519 1511 1512 1504 1501 1492 1503 1513 850mb Temp (C): 15.5 13.5 12.1 9.2 8.8 7.1 8.0 8.6 8.3 8.7 8.6 6.7 4.2 2.7 3.8 850mb Dewpt(C): -1.3 0.2 5.1 7.7 2.6 5.4 5.3 4.6 2.1 1.4 1.8 5.0 2.6 2.2 3.4 850mb RH (%): 31 39 62 90 65 88 83 76 64 60 62 89 89 96 97 850mb Dir: 218 222 221 217 234 243 279 252 321 310 282 254 239 291 298 850mb Speed(kt): 12 15 17 16 13 11 8 9 8 7 6 11 12 13 13 800mb GPH (m): 2029 2029 2024 2016 2004 2010 2018 2020 2011 2012 2004 1997 1984 1991 2004 800mb Temp (C): 14.3 11.9 10.0 8.7 7.3 6.0 5.3 8.1 7.5 6.7 6.6 4.3 2.8 0.2 1.0 800mb Dewpt(C): -6.2 -4.5 2.8 1.6 -3.8 -1.8 0.5 0.0 -2.5 -2.3 -1.3 -1.4 -6.8 -0.9 0.3 800mb RH (%): 23 31 61 60 45 57 71 56 49 52 57 66 49 92 95 800mb Dir: 204 212 214 218 227 237 273 272 283 263 249 258 252 279 297 800mb Speed(kt): 17 19 25 31 22 16 12 10 8 7 11 13 13 13 14 750mb GPH (m): 2570 2566 2559 2549 2534 2537 2546 2549 2539 2539 2530 2520 2503 2506 2520 750mb Temp (C): 11.5 9.8 8.2 8.1 7.2 5.1 5.3 5.3 4.5 4.0 3.6 1.7 0.4 -2.4 -1.7 750mb Dewpt(C): -1.0 -1.4 -2.1 -9.6 -16.3 -13.1 -5.2 -5.5 -5.2 -4.0 -4.5 -7.9 -9.4 -3.3 -3.4 750mb RH (%): 41 45 48 27 17 25 46 45 49 56 55 49 48 94 88 750mb Dir: 181 199 206 214 220 236 257 258 262 240 237 256 260 275 301 750mb Speed(kt): 19 20 31 37 30 20 14 13 10 11 15 15 12 10 16 700mb GPH (m): 3142 3135 3125 3116 3099 3097 3105 3109 3098 3096 3087 3074 3053 3050 3067 700mb Temp (C): 7.0 5.4 5.4 6.5 5.1 2.9 2.1 2.6 1.9 1.4 1.0 0.4 -3.6 -6.2 -3.6 700mb Dewpt(C): -0.8 -1.9 -9.0 -14.5 -18.7 -23.5 -10.1 -11.5 -10.2 -9.9 -15.6 -18.2 -4.2 -8.8 -8.2 700mb RH (%): 57 59 34 21 16 13 40 34 40 43 28 23 96 82 70 700mb Dir: 171 189 205 211 215 229 251 246 241 234 236 248 258 271 308 700mb Speed(kt): 21 22 34 41 38 26 18 17 16 16 17 18 16 7 18 650mb GPH (m): 3745 3736 3726 3719 3700 3693 3700 3705 3693 3691 3680 3665 3634 3626 3649 650mb Temp (C): 1.9 1.7 2.3 3.0 1.8 0.6 -0.4 0.2 -0.1 -0.4 -0.3 -2.6 -8.0 -9.9 -7.0 650mb Dewpt(C): -4.0 -13.8 -17.1 -16.8 -17.0 -36.0 -23.5 -14.7 -11.1 -22.4 -26.8 -9.2 -8.4 -15.2 -11.9 650mb RH (%): 65 30 22 22 23 5 16 32 43 17 12 60 97 66 68 650mb Dir: 180 186 208 209 213 224 237 234 234 232 236 237 255 289 316 650mb Speed(kt): 25 24 35 44 43 33 27 26 27 23 20 21 20 5 19 600mb GPH (m): 4385 4376 4367 4362 4339 4330 4335 4342 4329 4326 4315 4295 4253 4238 4268 600mb Temp (C): -2.4 -1.5 -1.5 -0.8 -2.1 -3.0 -2.8 -2.9 -3.3 -3.6 -4.6 -6.6 -9.8 -13.8 -11.5 600mb Dewpt(C): -16.0 -20.2 -23.3 -21.9 -19.0 -31.9 -31.7 -20.1 -18.5 -23.8 -17.0 -9.5 -21.2 -23.3 -16.1 600mb RH (%): 34 23 17 19 26 9 9 26 30 20 38 80 39 45 69 600mb Dir: 187 194 211 209 213 223 233 231 233 231 237 230 240 299 327 600mb Speed(kt): 27 27 37 46 46 39 35 35 33 24 25 26 27 9 22 550mb GPH (m): 5071 5063 5054 5050 5025 5012 5019 5025 5012 5007 4994 4970 4917 4892 4929 550mb Temp (C): -6.0 -6.0 -5.9 -5.6 -6.6 -7.6 -6.6 -6.8 -7.3 -7.7 -8.3 -10.1 -14.1 -18.7 -16.1 550mb Dewpt(C): -26.2 -21.3 -28.8 -25.3 -20.8 -23.5 -28.7 -30.8 -23.6 -29.2 -26.0 -18.0 -29.4 -30.0 -26.4 550mb RH (%): 19 29 15 20 32 27 16 13 26 16 23 53 27 37 41 550mb Dir: 191 197 214 210 212 224 233 232 234 230 237 230 230 297 335 550mb Speed(kt): 28 32 38 48 50 46 41 32 34 26 29 29 34 11 24 500mb GPH (m): 5810 5801 5792 5788 5760 5746 5756 5762 5747 5742 5726 5698 5634 5595 5639 500mb Temp (C): -10.2 -11.0 -11.0 -11.4 -12.5 -12.8 -11.1 -11.4 -11.8 -12.2 -13.1 -14.4 -18.0 -23.3 -21.0 500mb Dewpt(C): -29.7 -25.3 -32.9 -27.4 -24.3 -22.1 -38.2 -37.9 -28.3 -27.3 -23.1 -26.7 -51.4 -43.8 -34.4 500mb RH (%): 19 30 15 26 37 46 9 10 25 28 43 35 4 14 30 500mb Dir: 194 197 217 211 211 224 238 231 235 232 236 230 229 287 337 500mb Speed(kt): 29 35 40 49 50 53 38 30 34 29 33 34 39 13 25 450mb GPH (m): 6611 6600 6591 6586 6555 6540 6556 6561 6545 6539 6521 6488 6414 6358 6409 450mb Temp (C): -16.8 -17.2 -17.1 -17.5 -18.5 -18.7 -16.7 -16.7 -17.1 -17.5 -18.3 -19.7 -22.7 -27.6 -25.8 450mb Dewpt(C): -30.0 -30.2 -37.2 -35.8 -33.7 -29.5 -49.4 -33.5 -31.5 -24.7 -26.8 -33.1 -42.7 -51.6 -48.7 450mb RH (%): 32 32 16 19 26 39 5 23 28 54 48 30 15 9 11 450mb Dir: 195 197 217 213 211 223 239 234 235 233 234 229 225 271 337 450mb Speed(kt): 32 37 42 47 50 59 42 32 35 37 39 39 48 17 33 400mb GPH (m): 7483 7470 7462 7455 7421 7407 7429 7434 7417 7410 7389 7351 7265 7197 7253 400mb Temp (C): -23.3 -23.7 -23.9 -24.3 -24.9 -24.8 -22.8 -23.2 -23.7 -23.9 -24.4 -26.1 -29.2 -31.6 -30.5 400mb Dewpt(C): -38.9 -38.0 -41.8 -40.7 -39.5 -46.9 -38.4 -36.7 -28.4 -33.0 -34.3 -37.2 -43.4 -57.4 -50.7 400mb RH (%): 24 27 19 22 26 12 24 29 65 44 40 36 25 7 13 400mb Dir: 197 199 217 214 211 224 240 236 232 231 231 227 223 261 344 400mb Speed(kt): 33 39 42 47 51 62 45 34 41 45 46 44 53 23 42 350mb GPH (m): 8445 8431 8421 8413 8376 8365 8391 8395 8377 8368 8349 8301 8204 8132 8191 350mb Temp (C): -30.3 -30.6 -31.0 -31.5 -32.4 -30.7 -31.0 -31.1 -31.1 -31.3 -30.2 -33.2 -36.2 -35.3 -35.9 350mb Dewpt(C): -47.7 -47.6 -49.0 -47.1 -46.1 -51.0 -35.8 -35.4 -35.5 -44.3 -47.8 -44.4 -51.5 -61.4 -56.1 350mb RH (%): 18 19 17 21 26 13 63 67 66 28 18 33 21 6 12 350mb Dir: 202 203 218 214 212 227 241 234 231 231 226 221 222 254 346 350mb Speed(kt): 31 40 46 53 57 62 47 40 45 49 55 56 56 29 46 300mb GPH (m): 9521 9507 9496 9485 9445 9443 9465 9469 9450 9444 9430 9371 9261 9199 9250 300mb Temp (C): -39.5 -38.8 -39.3 -39.9 -40.4 -39.0 -39.6 -39.6 -39.8 -38.7 -38.0 -39.1 -40.8 -37.7 -40.0 300mb Dewpt(C): -52.9 -53.5 -52.2 -47.1 -52.0 -50.3 -46.0 -43.4 -43.6 -54.1 -51.6 -59.8 -61.6 -69.0 -62.7 300mb RH (%): 24 21 26 48 30 31 52 68 68 20 24 11 10 3 8 300mb Dir: 206 209 217 214 212 234 238 234 228 232 222 217 219 252 341 300mb Speed(kt): 35 45 49 59 66 60 51 41 51 50 65 71 62 32 43 250mb GPH (m): 10741 10732 10718 10703 10662 10665 10686 10689 10670 10671 10658 10600 10493 10451 10486 250mb Temp (C): -49.5 -48.3 -48.9 -49.5 -49.5 -48.5 -48.9 -49.0 -48.6 -47.6 -47.0 -46.1 -43.5 -39.5 -42.6 250mb Dewpt(C): -58.1 -53.4 -53.2 -54.6 -56.9 -60.0 -55.8 -53.8 -56.7 -58.3 -59.6 -65.6 -68.0 -79.6 -72.2 250mb RH (%): 38 57 63 56 43 27 46 59 41 30 24 11 6 1 3 250mb Dir: 211 214 215 215 213 228 237 233 228 231 219 218 226 254 327 250mb Speed(kt): 41 52 53 61 71 62 54 46 56 58 69 77 60 32 35 200mb GPH (m): 12172 12174 12162 12146 12108 12104 12124 12127 12111 12115 12110 12065 11987 11966 11984 200mb Temp (C): -56.7 -54.9 -53.2 -53.0 -52.4 -54.6 -54.8 -55.0 -54.7 -54.7 -53.2 -50.2 -45.0 -43.0 -45.3 200mb Dewpt(C): -64.8 -68.0 -68.2 -69.3 -70.6 -68.2 -69.6 -67.4 -68.4 -69.0 -70.6 -67.7 -82.8 -80.7 -77.4 200mb RH (%): 38 21 17 14 11 19 16 22 19 18 12 13 1 1 2 200mb Dir: 224 219 215 221 219 229 234 234 230 228 223 223 232 255 307 200mb Speed(kt): 51 59 59 66 72 59 55 49 57 65 73 68 48 30 28 150mb GPH (m): 13998 14007 14010 13999 13970 13964 13977 13973 13954 13959 13958 13939 13896 13882 13888 150mb Temp (C): -55.9 -55.5 -54.0 -53.3 -52.3 -52.0 -52.3 -53.1 -53.4 -53.2 -53.1 -50.6 -47.8 -47.2 -48.4 150mb Dewpt(C): -82.7 -82.6 -83.9 -83.3 -83.0 -87.0 -87.3 -87.4 -83.4 -80.4 -80.5 -86.2 -84.0 -83.2 -84.4 150mb RH (%): 3 3 2 2 2 1 1 1 2 3 3 1 1 1 1 150mb Dir: 228 221 222 221 227 232 233 238 233 227 236 238 236 248 272 150mb Speed(kt): 51 49 56 58 56 47 48 48 42 48 52 39 39 27 26 100mb GPH (m): 16592 16592 16612 16606 16578 16574 16588 16577 16556 16564 16567 16565 16535 16532 16535 100mb Temp (C): -54.0 -54.4 -53.1 -53.7 -53.9 -53.6 -54.0 -54.1 -53.6 -54.0 -54.0 -53.1 -52.5 -52.0 -51.6 100mb Dewpt(C): -88.4 -88.7 -87.8 -88.2 -88.3 -83.7 -88.4 -88.5 -83.6 -88.4 -88.4 -87.8 -87.4 -87.0 -75.8 100mb RH (%): 1 1 1 1 1 2 1 1 2 1 1 1 1 1 0 100mb Dir: 222 223 225 221 220 221 229 233 227 227 229 237 240 238 227 100mb Speed(kt): 24 29 34 28 28 32 31 25 27 26 29 25 24 20 24