Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z AUG 25, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 990.0 992.3 991.2 993.3 993.4 994.5 993.0 992.8 993.1 995.0 994.6 995.9 996.1 997.2 994.5 Mean SLP (mb): 1013.8 1016.0 1014.5 1017.1 1017.6 1018.7 1016.8 1016.8 1017.2 1019.1 1018.5 1020.1 1020.6 1021.5 1018.3 2m agl Tmp (F): 65.0 71.5 81.3 67.2 59.5 59.3 68.0 61.7 59.8 61.2 67.7 59.1 54.3 59.1 69.5 2m agl Dewpt(F): 54.5 59.0 56.5 56.8 55.6 55.4 55.4 54.3 55.1 54.4 52.8 51.6 52.1 53.8 52.4 2m agl RH (%): 68 64 41 68 86 86 63 76 84 78 58 76 92 82 53 10m agl Dir: 98 209 244 251 231 213 266 13 92 218 279 340 15 305 319 10m agl Spd(kt): 3 5 5 4 2 3 3 2 0 4 5 3 1 3 9 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.02 0.02 0.02 0.02 0.02 Sfc CAPE (J/kg): 0.0 0.2 0.0 0.7 0.9 13.2 0.9 0.1 2.5 53.3 49.8 0.0 1.9 5.8 1.7 Sfc CINH (J/kg): -0.4 -5.9 0.0 0.0 0.0 -0.1 0.0 -0.5 -22.7 -3.0 0.0 -0.1 -26.1 0.0 -0.4 0-3km Hel(J/kg): 74.8 72.6 85.3 68.8 41.2 55.8 120.5 137.1 91.3 86.5 40.6 62.3 46.8 34.8 64.5 Precip H20 (in): 0.89 0.90 0.79 0.77 0.87 0.76 0.80 0.94 0.98 0.73 0.77 0.76 0.76 0.69 0.69 Lifted Index(C): 0.3 3.7 2.6 4.2 7.4 8.2 6.2 5.7 5.3 5.2 8.0 10.3 11.9 11.5 8.0 700mb VV(-ub/s): 1.4 1.1 0.1 -0.6 1.0 0.5 0.5 0.1 0.4 -0.2 -0.7 -1.5 -0.4 -0.8 -0.8 Thk1000-500mb(m)5703.0 5691.0 5703.5 5686.3 5662.0 5645.8 5654.9 5647.4 5608.5 5570.1 5600.6 5596.6 5591.3 5598.1 5626.0 Thk1000-850mb(m)1402.1 1389.9 1403.5 1384.7 1369.2 1364.1 1374.9 1369.1 1360.7 1354.6 1364.3 1357.2 1349.8 1350.5 1369.3 Thk850-700mb(m):1635.0 1629.7 1621.6 1622.4 1621.1 1612.4 1607.0 1607.1 1591.5 1576.4 1581.1 1584.8 1584.8 1588.4 1592.5 SWEAT Index: 105.9 86.4 91.4 49.2 55.9 62.7 121.7 138.7 162.3 121.1 117.4 108.3 107.2 59.5 56.3 Total Totals Idx 47.2 41.3 38.6 32.4 33.7 35.2 36.9 38.0 39.5 37.8 33.3 31.7 29.9 28.4 30.6 Frz Hgt(ft amsl) 13331 13615 14249 13999 13473 13487 13876 13784 12566 11794 12339 12133 12153 11949 13211 0WetBlbHgt(amsl) 10928 10864 9893 9788 11247 9646 9663 10559 10185 6935 7721 7959 7733 8098 8602 Equil Prs (mb): 990 992 276 993 993 994 993 993 993 782 773 996 996 885 994 Equil Hgt(amsl): 26 26 33165 26 26 26 26 26 26 7211 7516 26 26 3922 26 Hail Size(in): 0.00 0.08 0.09 0.36 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 54.0 50.4 57.3 51.6 48.7 49.6 52.1 50.5 24.9 28.8 34.5 28.4 25.9 41.4 42.9 Showalter Index: 1.1 4.5 6.0 9.8 9.1 8.4 7.3 6.8 5.8 7.9 9.6 10.6 11.7 12.8 11.3 Cap Strength(C):-999.9 -999.9 0.0 -999.9 7.9 6.4 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 -999.9 Storm Dir (deg): 212 211 235 230 225 229 245 243 245 264 291 296 311 322 318 Storm Spd (kts): 10 11 14 16 13 15 19 22 21 17 12 12 11 8 10 2m HeatIndex(F): 65 72 81 67 60 59 68 62 60 61 68 59 54 59 69 2m WindChill(F): 65 72 81 67 60 59 68 62 60 61 68 59 54 59 69 1000mb GPH (m): 118 137 126 146 148 157 143 142 145 161 157 169 171 180 156 950mb GPH (m): 559 578 576 586 581 588 581 578 579 594 595 603 601 610 595 950mb Temp (C): 20.3 16.7 22.6 16.6 12.1 10.9 14.9 14.5 12.9 11.5 14.8 12.6 11.1 10.9 15.7 950mb Dewpt(C): 12.5 13.0 12.0 13.5 12.0 10.7 11.5 11.1 11.8 11.2 10.0 9.7 9.5 8.6 10.1 950mb RH (%): 60 78 50 81 99 99 79 80 93 98 73 82 90 85 68 950mb Dir: 146 202 242 253 188 203 264 320 261 213 278 335 335 324 323 950mb Speed(kt): 6 5 6 6 3 5 3 2 2 6 6 10 7 3 12 900mb GPH (m): 1027 1039 1043 1047 1034 1040 1038 1033 1032 1045 1049 1054 1051 1059 1051 900mb Temp (C): 21.1 17.7 18.2 16.0 13.3 13.3 14.3 12.2 10.4 9.1 10.3 9.6 8.6 8.6 11.1 900mb Dewpt(C): 8.0 8.7 9.6 10.7 9.6 7.0 5.5 8.4 10.4 8.7 9.0 7.3 7.2 5.6 8.9 900mb RH (%): 42 55 56 70 78 65 55 77 100 97 92 85 90 81 86 900mb Dir: 154 180 241 202 234 208 224 225 238 233 273 298 304 345 328 900mb Speed(kt): 7 6 6 7 4 7 10 7 5 8 6 7 7 9 13 850mb GPH (m): 1520 1527 1530 1531 1517 1521 1518 1511 1506 1516 1522 1526 1521 1530 1526 850mb Temp (C): 19.5 16.9 16.3 15.4 15.3 13.6 12.2 10.7 7.4 5.7 6.9 6.5 6.0 7.5 9.2 850mb Dewpt(C): 5.3 3.5 3.3 -2.2 -1.8 -0.1 3.4 4.4 7.2 4.4 5.2 4.9 4.6 1.3 1.3 850mb RH (%): 38 40 41 29 30 38 54 64 99 91 89 89 90 64 57 850mb Dir: 148 160 216 208 217 217 221 224 240 232 276 273 297 341 333 850mb Speed(kt): 10 7 10 9 12 14 18 18 13 10 10 10 11 11 10 800mb GPH (m): 2038 2042 2043 2042 2029 2029 2024 2016 2003 2009 2017 2022 2018 2030 2027 800mb Temp (C): 16.5 15.3 13.6 13.2 13.5 12.1 10.6 10.4 5.6 2.9 3.7 5.1 6.1 7.2 8.3 800mb Dewpt(C): 1.6 -0.8 -2.7 -3.5 -3.3 -5.9 -2.3 -1.8 1.6 -1.5 -0.1 -1.1 -4.1 -2.3 -3.8 800mb RH (%): 36 32 32 31 30 27 40 42 75 73 76 64 48 50 42 800mb Dir: 151 163 204 217 201 205 215 218 223 242 296 281 309 324 290 800mb Speed(kt): 11 9 13 17 18 20 25 30 25 15 12 12 14 8 9 750mb GPH (m): 2583 2585 2583 2582 2568 2566 2559 2551 2533 2533 2541 2550 2546 2559 2557 750mb Temp (C): 12.3 11.8 10.2 11.3 10.2 8.8 7.8 8.5 7.3 4.7 4.6 6.0 5.1 5.4 5.7 750mb Dewpt(C): -2.2 -1.7 0.8 -14.7 -1.2 -0.4 0.2 -6.7 -9.1 -18.8 -8.7 -9.8 -8.8 -8.1 -6.0 750mb RH (%): 36 38 51 15 45 52 58 33 30 16 37 31 35 37 43 750mb Dir: 162 167 196 209 190 194 212 216 216 236 270 285 296 303 272 750mb Speed(kt): 13 12 20 30 20 24 30 35 36 24 15 14 14 7 11 700mb GPH (m): 3155 3157 3151 3154 3138 3134 3125 3118 3097 3092 3103 3111 3106 3119 3118 700mb Temp (C): 7.0 7.5 6.3 7.9 6.1 5.8 6.0 6.1 4.0 2.4 4.8 3.0 2.9 2.8 2.9 700mb Dewpt(C): -4.7 -5.5 -14.0 -12.4 0.4 -15.3 -14.1 -6.3 -3.9 -20.7 -14.2 -12.1 -13.5 -11.1 -12.6 700mb RH (%): 43 39 22 22 66 20 22 40 56 16 24 32 29 35 31 700mb Dir: 189 172 196 194 183 190 210 215 213 234 256 264 283 285 261 700mb Speed(kt): 16 19 23 36 23 25 35 40 41 28 19 16 16 10 15 650mb GPH (m): 3758 3761 3755 3759 3741 3735 3728 3721 3696 3687 3702 3708 3702 3714 3716 650mb Temp (C): 1.9 2.4 3.2 3.4 2.0 2.4 3.1 2.2 0.7 -0.4 0.3 0.0 0.0 -0.4 1.7 650mb Dewpt(C): -11.0 -12.1 -22.7 -18.8 -11.1 -17.5 -17.8 -5.3 -9.4 -21.5 -19.8 -16.0 -16.8 -15.2 -44.0 650mb RH (%): 38 33 13 18 37 21 20 57 47 19 21 29 27 32 2 650mb Dir: 198 176 197 189 184 193 210 211 210 236 257 251 278 273 269 650mb Speed(kt): 20 23 27 37 26 27 37 43 43 30 20 21 17 16 13 600mb GPH (m): 4398 4402 4398 4402 4381 4376 4370 4363 4334 4321 4338 4343 4338 4351 4356 600mb Temp (C): -2.1 -1.5 -0.3 -0.9 -1.5 -1.7 -0.9 -0.7 -2.5 -4.8 -3.3 -3.5 -3.2 -1.5 -1.8 600mb Dewpt(C): -20.6 -22.4 -24.9 -25.9 -23.8 -19.3 -19.8 -19.3 -16.7 -16.4 -26.3 -25.1 -12.8 -53.3 -39.3 600mb RH (%): 23 19 14 13 17 25 22 23 33 40 15 17 48 1 4 600mb Dir: 199 181 199 192 192 196 212 209 211 238 254 247 266 281 272 600mb Speed(kt): 21 26 30 34 29 30 40 47 46 31 24 23 22 16 15 550mb GPH (m): 5083 5089 5088 5091 5069 5064 5059 5051 5019 5000 5021 5026 5022 5037 5043 550mb Temp (C): -6.2 -5.5 -4.5 -4.6 -5.1 -5.3 -5.4 -5.7 -7.0 -8.4 -6.9 -6.1 -6.1 -5.6 -5.6 550mb Dewpt(C): -25.9 -26.5 -27.6 -28.5 -29.3 -26.8 -26.9 -16.6 -20.8 -31.3 -30.6 -35.7 -30.6 -44.0 -40.8 550mb RH (%): 20 18 15 14 13 17 17 42 33 14 14 8 13 3 5 550mb Dir: 195 188 203 195 197 198 215 207 212 235 252 253 263 275 273 550mb Speed(kt): 21 29 31 31 31 34 43 48 50 41 29 25 28 20 16 500mb GPH (m): 5821 5828 5830 5833 5810 5803 5798 5790 5754 5731 5758 5766 5762 5778 5783 500mb Temp (C): -11.2 -10.5 -9.5 -9.6 -10.1 -10.9 -10.7 -11.4 -12.5 -13.8 -10.6 -10.2 -9.7 -9.9 -10.1 500mb Dewpt(C): -30.8 -29.2 -30.9 -29.3 -28.9 -28.7 -30.8 -20.5 -24.6 -35.7 -39.3 -29.7 -43.1 -44.7 -31.7 500mb RH (%): 19 21 16 19 20 22 18 48 36 15 8 19 5 4 16 500mb Dir: 201 196 207 197 198 200 216 208 212 230 251 250 265 271 272 500mb Speed(kt): 21 30 31 31 32 36 46 49 51 48 35 31 30 23 20 450mb GPH (m): 6620 6629 6633 6636 6611 6602 6598 6586 6549 6522 6560 6568 6565 6581 6583 450mb Temp (C): -16.8 -16.4 -15.7 -16.4 -16.7 -16.9 -16.8 -18.1 -18.3 -19.2 -15.9 -15.7 -16.3 -16.1 -17.1 450mb Dewpt(C): -36.6 -33.2 -38.1 -29.4 -30.9 -35.2 -36.4 -23.5 -30.9 -45.2 -38.1 -38.3 -34.4 -40.3 -31.2 450mb RH (%): 17 23 13 32 29 20 17 63 33 9 14 13 20 11 29 450mb Dir: 214 199 214 199 197 203 216 208 212 233 254 252 265 267 264 450mb Speed(kt): 25 31 26 32 34 36 46 51 50 49 39 35 32 23 23 400mb GPH (m): 7493 7502 7508 7508 7483 7474 7470 7456 7416 7387 7435 7444 7438 7453 7454 400mb Temp (C): -23.1 -23.4 -23.1 -23.6 -23.3 -23.3 -23.7 -23.6 -24.9 -25.1 -22.9 -22.6 -23.4 -23.9 -23.6 400mb Dewpt(C): -40.5 -37.0 -48.3 -34.2 -38.9 -41.8 -41.7 -36.5 -37.7 -55.7 -44.7 -44.3 -44.1 -40.6 -44.3 400mb RH (%): 20 29 9 38 24 18 18 31 30 5 13 13 14 21 14 400mb Dir: 219 197 232 200 198 204 216 210 211 232 254 252 265 260 259 400mb Speed(kt): 25 32 23 30 32 38 45 53 53 55 43 38 35 25 27 350mb GPH (m): 8454 8462 8469 8469 8446 8436 8431 8416 8371 8343 8396 8405 8397 8410 8413 350mb Temp (C): -31.3 -31.4 -30.9 -30.9 -30.2 -30.8 -30.3 -30.9 -32.1 -30.8 -31.0 -31.6 -31.6 -32.0 -31.4 350mb Dewpt(C): -42.8 -42.8 -54.9 -47.9 -46.1 -42.5 -49.7 -37.0 -42.6 -56.8 -54.2 -45.6 -48.2 -48.7 -51.4 350mb RH (%): 33 33 9 18 21 32 14 56 36 7 9 25 19 19 13 350mb Dir: 222 199 230 208 201 206 216 213 210 237 252 245 256 259 257 350mb Speed(kt): 27 36 25 29 33 41 46 57 60 58 42 40 42 30 29 300mb GPH (m): 9526 9535 9541 9542 9523 9512 9508 9492 9441 9424 9468 9476 9467 9480 9485 300mb Temp (C): -40.0 -40.1 -40.2 -39.7 -39.1 -38.8 -39.0 -39.4 -40.0 -37.1 -40.0 -40.3 -40.7 -40.5 -40.4 300mb Dewpt(C): -51.4 -45.5 -55.6 -51.6 -52.8 -49.8 -52.1 -43.3 -51.8 -56.6 -58.6 -56.7 -52.1 -52.8 -54.0 300mb RH (%): 30 57 19 29 24 32 26 67 29 13 13 17 30 27 23 300mb Dir: 227 207 221 213 204 209 216 212 210 240 251 245 254 256 256 300mb Speed(kt): 32 41 31 36 36 46 52 60 69 65 47 43 43 32 27 250mb GPH (m): 10745 10752 10759 10762 10743 10734 10730 10711 10660 10656 10688 10694 10684 10695 10700 250mb Temp (C): -49.4 -49.8 -49.6 -49.2 -49.7 -48.9 -49.0 -49.3 -48.8 -46.7 -48.6 -48.7 -49.1 -50.0 -49.9 250mb Dewpt(C): -58.2 -53.7 -59.7 -57.8 -59.2 -57.3 -55.9 -54.5 -58.9 -60.3 -58.2 -57.7 -60.5 -59.0 -60.3 250mb RH (%): 37 65 32 38 34 39 46 56 32 22 34 36 27 36 31 250mb Dir: 230 206 216 218 207 212 215 215 214 236 245 241 249 250 248 250mb Speed(kt): 40 41 43 40 38 51 55 60 75 66 56 52 46 37 34 200mb GPH (m): 12172 12179 12189 12191 12174 12174 12171 12152 12108 12108 12134 12135 12122 12127 12131 200mb Temp (C): -59.0 -58.4 -57.9 -58.4 -56.8 -55.1 -53.7 -53.9 -51.9 -53.7 -53.4 -54.7 -55.0 -55.5 -56.3 200mb Dewpt(C): -65.0 -64.1 -67.3 -64.3 -66.3 -70.1 -71.6 -68.2 -71.2 -68.2 -69.1 -67.9 -67.3 -67.2 -69.5 200mb RH (%): 48 51 32 49 32 16 11 18 10 17 15 20 22 24 20 200mb Dir: 231 209 222 221 214 219 218 220 220 238 241 240 242 243 241 200mb Speed(kt): 49 46 55 44 49 58 59 63 72 64 56 53 54 49 48 150mb GPH (m): 13985 13992 14003 14006 14000 14007 14014 14005 13975 13973 13987 13983 13964 13967 13970 150mb Temp (C): -55.7 -56.8 -56.3 -56.5 -55.8 -55.0 -54.2 -52.9 -51.8 -52.6 -53.2 -52.6 -53.2 -54.1 -53.4 150mb Dewpt(C): -82.5 -81.2 -83.1 -81.1 -85.5 -84.8 -84.1 -83.1 -86.9 -83.2 -87.3 -83.3 -83.4 -83.6 -84.0 150mb RH (%): 3 4 3 4 2 2 2 2 1 2 1 2 2 2 2 150mb Dir: 220 215 222 225 225 224 225 223 232 237 237 245 244 240 248 150mb Speed(kt): 36 42 45 46 47 51 53 57 57 50 52 47 47 44 48 100mb GPH (m): 16581 16580 16602 16604 16593 16595 16610 16610 16583 16579 16592 16584 16559 16565 16571 100mb Temp (C): -53.8 -53.9 -52.9 -53.9 -53.5 -54.3 -53.9 -53.5 -54.2 -53.7 -54.3 -54.5 -54.4 -54.3 -54.9 100mb Dewpt(C): -88.3 -88.3 -87.7 -88.3 -83.6 -88.6 -83.8 -83.6 -84.1 -88.2 -88.6 -88.8 -88.7 -88.6 -89.0 100mb RH (%): 1 1 1 1 2 1 2 2 2 1 1 1 1 1 1 100mb Dir: 204 207 225 224 222 218 222 226 225 226 235 244 234 244 247 100mb Speed(kt): 21 25 27 25 27 30 34 29 27 32 32 31 27 30 29