Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z AUG 21, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 989.7 991.8 991.1 991.9 993.2 995.4 994.2 995.2 996.5 998.6 996.7 996.1 994.4 993.2 991.3 Mean SLP (mb): 1013.5 1015.6 1014.6 1015.8 1017.5 1019.8 1018.1 1019.3 1020.8 1022.9 1020.6 1020.1 1018.7 1016.8 1014.5 2m agl Tmp (F): 63.5 70.1 72.6 65.9 55.9 55.9 67.6 61.8 58.0 60.0 69.6 61.7 56.3 75.0 84.8 2m agl Dewpt(F): 57.9 60.5 59.2 58.4 52.7 52.6 53.7 53.6 54.8 54.6 55.6 55.0 53.7 56.2 57.2 2m agl RH (%): 81 71 62 76 89 88 60 74 89 82 60 78 91 51 37 10m agl Dir: 96 233 181 269 183 177 227 221 210 208 319 339 47 58 333 10m agl Spd(kt): 3 5 2 1 4 3 6 6 5 4 6 3 3 6 5 6hr Precip (in): 0.00 0.00 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 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.02 0.02 0.02 0.02 0.02 0.02 Sfc CAPE (J/kg): 0.0 0.0 0.0 0.9 2.1 8.3 9.3 40.7 41.7 32.4 4.8 0.0 0.0 0.0 26.1 Sfc CINH (J/kg): -0.3 0.0 0.0 0.0 -0.5 0.0 0.0 0.0 0.0 0.0 -0.3 0.0 0.0 0.0 -24.2 0-3km Hel(J/kg): 55.9 262.1 154.5 83.9 112.7 38.3 61.2 68.3 56.6 20.9 4.9 21.6 12.9 62.0 79.5 Precip H20 (in): 0.97 1.25 1.13 1.20 0.85 0.79 0.90 0.82 0.80 0.81 0.95 0.96 0.82 0.77 0.76 Lifted Index(C): 0.4 1.6 2.2 0.9 7.9 6.0 5.0 5.2 7.4 9.1 6.6 6.8 6.6 3.7 0.0 700mb VV(-ub/s): 2.2 3.3 -0.3 0.9 3.9 1.2 0.6 -1.6 -2.0 -2.4 -1.3 -1.9 -0.5 -0.7 -0.7 Thk1000-500mb(m)5747.6 5733.5 5726.8 5704.9 5657.5 5614.7 5605.4 5590.1 5591.8 5613.0 5649.3 5663.5 5669.0 5687.3 5712.3 Thk1000-850mb(m)1408.6 1390.9 1395.8 1386.2 1365.3 1355.8 1364.9 1355.7 1350.8 1351.2 1370.7 1376.1 1379.2 1394.3 1412.3 Thk850-700mb(m):1647.6 1649.5 1643.8 1636.2 1622.6 1606.5 1602.8 1594.7 1592.5 1601.9 1610.7 1615.1 1619.8 1622.9 1627.4 SWEAT Index: 41.9 134.8 134.5 148.2 74.0 102.5 139.9 116.5 101.8 103.3 70.4 68.3 56.4 40.1 26.9 Total Totals Idx 34.4 45.2 45.4 45.7 35.2 39.4 40.1 38.0 34.6 33.4 34.2 37.9 39.0 39.6 38.7 Frz Hgt(ft amsl) 14597 14783 14621 14015 13608 12571 11851 12017 11998 12820 13357 13600 13561 13636 13913 0WetBlbHgt(amsl) 12719 12744 11652 12924 11488 9604 10287 8482 9087 8705 10294 10781 10441 10274 9853 Equil Prs (mb): 990 992 991 992 993 995 994 836 840 854 997 996 994 993 242 Equil Hgt(amsl): 26 26 26 26 26 26 26 5440 5318 4944 26 26 26 26 36068 Hail Size(in): 0.01 0.00 0.00 0.24 0.00 0.01 0.00 0.00 0.00 0.00 0.11 0.00 0.00 0.00 0.33 Conv Wind Gust: 57.1 57.8 57.8 53.8 52.7 47.5 33.1 27.9 21.2 24.4 44.1 45.2 45.2 52.3 58.2 Showalter Index: 7.6 2.0 1.9 1.6 8.4 6.3 5.9 7.8 9.6 9.7 9.0 6.5 5.9 5.7 6.1 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 4.8 5.8 7.4 -999.9 -999.9 -999.9 -999.9 0.0 Storm Dir (deg): 206 191 217 208 213 219 245 269 306 321 335 346 307 188 251 Storm Spd (kts): 10 17 19 16 17 17 16 15 14 10 9 6 5 6 7 2m HeatIndex(F): 64 70 73 66 56 56 68 62 58 60 70 62 56 75 84 2m WindChill(F): 64 70 73 66 56 56 68 62 58 60 70 62 56 75 85 1000mb GPH (m): 115 133 126 135 147 165 154 163 174 192 176 170 156 145 127 950mb GPH (m): 556 573 570 575 576 593 592 597 605 624 614 607 591 588 579 950mb Temp (C): 21.1 15.9 18.6 17.1 10.8 10.3 14.7 12.6 11.1 10.8 15.6 15.6 15.9 18.6 24.6 950mb Dewpt(C): 14.2 14.4 13.9 14.0 9.9 9.2 10.6 11.1 10.8 10.6 11.5 11.6 10.5 11.6 12.2 950mb RH (%): 64 90 73 81 94 93 76 90 98 98 76 77 70 62 44 950mb Dir: 162 228 187 271 188 175 227 225 218 217 324 7 50 67 337 950mb Speed(kt): 3 6 2 4 8 4 7 12 12 6 7 11 6 10 5 900mb GPH (m): 1026 1033 1032 1035 1029 1043 1046 1048 1055 1073 1070 1064 1050 1052 1049 900mb Temp (C): 22.8 17.2 17.6 14.4 12.9 10.1 10.4 8.8 8.4 8.2 11.3 13.5 16.0 18.6 20.1 900mb Dewpt(C): 12.6 12.0 10.7 12.8 6.6 8.8 9.2 8.6 8.1 8.0 9.9 8.5 5.6 4.4 10.6 900mb RH (%): 51 71 63 90 65 92 92 99 98 99 91 71 49 38 53 900mb Dir: 328 124 200 219 221 216 229 227 239 258 339 25 66 102 14 900mb Speed(kt): 1 1 6 8 9 9 7 14 11 6 7 7 7 13 5 850mb GPH (m): 1523 1524 1522 1521 1512 1521 1519 1519 1525 1544 1546 1546 1536 1540 1539 850mb Temp (C): 22.9 20.1 19.0 17.1 15.7 12.6 8.2 5.1 5.1 7.0 11.7 14.6 15.5 16.6 18.1 850mb Dewpt(C): -6.2 5.0 5.4 7.1 -3.2 1.8 5.5 5.0 4.5 4.8 2.0 3.4 2.7 0.9 -0.9 850mb RH (%): 13 36 40 51 26 47 83 99 96 86 51 46 41 34 27 850mb Dir: 137 100 185 216 236 213 222 228 256 318 356 355 55 103 113 850mb Speed(kt): 2 12 12 8 12 14 17 12 8 10 11 7 5 5 5 800mb GPH (m): 2046 2045 2041 2037 2023 2028 2023 2016 2022 2046 2055 2056 2047 2052 2054 800mb Temp (C): 18.9 18.6 17.7 16.3 13.2 11.0 10.6 9.3 9.7 11.6 11.9 12.0 13.0 14.0 15.1 800mb Dewpt(C): -6.7 0.5 1.3 -0.1 -6.1 -1.9 -0.1 -2.5 -3.7 -7.3 -0.7 2.5 -1.0 -2.3 -3.5 800mb RH (%): 16 29 32 32 25 40 47 43 38 26 41 52 37 32 27 800mb Dir: 139 111 181 204 231 206 214 243 297 315 330 342 23 136 189 800mb Speed(kt): 4 23 21 9 11 17 26 20 19 15 12 7 3 5 5 750mb GPH (m): 2594 2594 2588 2581 2563 2563 2557 2550 2555 2581 2591 2594 2586 2593 2596 750mb Temp (C): 14.3 15.3 14.7 12.4 10.7 7.6 7.7 7.6 6.7 8.4 8.3 9.4 10.5 10.6 11.4 750mb Dewpt(C): -4.6 -0.5 -3.8 -2.4 0.5 1.3 -2.7 -10.0 -6.1 -11.4 -2.4 -2.3 -5.3 -5.8 -11.1 750mb RH (%): 26 33 27 35 49 64 47 27 39 23 47 43 32 31 19 750mb Dir: 158 129 177 171 166 196 215 244 286 316 313 333 347 149 204 750mb Speed(kt): 8 27 30 14 12 19 25 22 19 14 11 8 3 3 9 700mb GPH (m): 3171 3174 3166 3157 3134 3127 3122 3113 3117 3145 3157 3161 3155 3162 3167 700mb Temp (C): 10.3 11.1 9.9 9.9 7.5 4.1 3.5 3.3 3.0 4.7 5.2 5.8 6.7 6.9 7.3 700mb Dewpt(C): -5.3 -5.1 -5.8 -2.8 -0.3 -11.7 -3.3 -10.9 -6.8 -13.1 -6.1 -4.9 -7.7 -8.9 -12.6 700mb RH (%): 33 31 32 40 57 30 61 34 49 26 44 46 35 31 23 700mb Dir: 158 153 181 152 170 189 217 246 282 315 296 317 349 166 208 700mb Speed(kt): 15 27 38 26 25 22 25 23 21 13 11 6 2 3 9 650mb GPH (m): 3782 3787 3775 3767 3739 3726 3718 3710 3713 3745 3758 3764 3759 3766 3771 650mb Temp (C): 5.4 6.4 5.1 4.3 2.7 0.7 -0.8 -0.3 -0.3 1.0 1.8 2.6 2.7 2.8 3.2 650mb Dewpt(C): -4.1 -5.1 -9.1 -1.9 -8.1 -17.4 -11.6 -17.4 -17.6 -14.6 -9.7 -9.1 -11.2 -11.9 -14.2 650mb RH (%): 50 43 35 63 45 25 44 26 26 30 42 42 35 33 27 650mb Dir: 171 162 183 155 174 185 216 245 285 307 299 290 265 190 215 650mb Speed(kt): 22 27 40 33 32 28 25 25 23 14 12 8 4 4 10 600mb GPH (m): 4429 4436 4422 4412 4381 4362 4352 4344 4349 4382 4398 4406 4400 4407 4413 600mb Temp (C): 0.1 0.6 0.3 -1.2 -1.5 -3.3 -5.0 -4.2 -3.3 -2.8 -1.9 -1.8 -1.9 -1.8 -1.2 600mb Dewpt(C): -6.2 -9.6 -11.0 -4.4 -15.4 -20.8 -19.7 -22.9 -27.3 -20.1 -11.8 -13.6 -14.6 -15.8 -17.8 600mb RH (%): 62 46 42 79 34 25 31 22 14 25 47 40 37 34 27 600mb Dir: 177 167 190 177 179 185 214 240 283 290 296 273 246 208 217 600mb Speed(kt): 27 32 40 40 41 35 28 26 26 17 12 7 8 6 14 550mb GPH (m): 5119 5126 5112 5100 5067 5045 5029 5023 5031 5067 5085 5093 5087 5094 5101 550mb Temp (C): -4.7 -5.4 -5.1 -5.6 -6.6 -7.3 -9.3 -9.1 -7.2 -6.3 -5.8 -5.5 -6.0 -5.7 -5.6 550mb Dewpt(C): -18.6 -10.1 -11.0 -12.1 -19.1 -30.0 -26.2 -22.3 -32.5 -27.5 -19.0 -19.3 -21.5 -24.2 -23.7 550mb RH (%): 33 69 63 60 37 15 25 34 12 17 35 33 29 22 23 550mb Dir: 185 181 195 180 179 184 211 240 282 280 279 251 234 224 221 550mb Speed(kt): 31 44 43 42 49 44 33 28 29 21 16 10 12 13 17 500mb GPH (m): 5862 5867 5853 5840 5804 5780 5760 5753 5766 5805 5825 5834 5825 5833 5839 500mb Temp (C): -8.8 -10.1 -10.5 -10.7 -11.4 -12.4 -13.2 -14.0 -12.6 -10.8 -10.2 -9.9 -10.4 -11.0 -10.8 500mb Dewpt(C): -27.7 -12.4 -13.9 -21.8 -34.1 -38.3 -31.5 -27.2 -35.7 -27.7 -24.4 -26.8 -29.3 -29.7 -29.6 500mb RH (%): 21 83 76 40 14 10 21 32 13 24 31 24 20 20 20 500mb Dir: 193 184 192 181 180 183 209 241 282 272 272 249 227 224 227 500mb Speed(kt): 37 50 45 46 51 52 39 33 33 24 23 13 14 18 18 450mb GPH (m): 6670 6672 6656 6641 6601 6575 6552 6544 6562 6605 6628 6637 6627 6632 6639 450mb Temp (C): -14.3 -15.2 -15.5 -16.2 -17.8 -18.2 -19.5 -19.8 -18.0 -16.8 -16.0 -15.7 -16.1 -16.8 -16.5 450mb Dewpt(C): -30.3 -17.4 -18.5 -29.6 -39.5 -34.2 -36.3 -34.1 -47.7 -29.4 -30.1 -31.2 -35.4 -37.2 -37.9 450mb RH (%): 25 83 78 31 14 24 22 28 6 34 29 26 18 16 15 450mb Dir: 197 187 184 184 183 184 209 239 285 263 270 249 221 225 227 450mb Speed(kt): 43 49 48 51 53 56 43 36 34 30 27 16 15 17 19 400mb GPH (m): 7551 7551 7535 7515 7472 7444 7414 7405 7429 7477 7502 7513 7501 7505 7514 400mb Temp (C): -20.8 -21.2 -21.4 -22.8 -23.0 -24.0 -26.8 -26.8 -24.7 -23.5 -23.0 -22.7 -23.0 -23.0 -22.3 400mb Dewpt(C): -33.7 -23.2 -24.4 -31.6 -46.6 -38.2 -44.1 -39.9 -46.9 -33.7 -34.5 -37.0 -41.1 -43.8 -45.0 400mb RH (%): 31 84 77 45 11 27 19 29 12 40 35 27 19 14 12 400mb Dir: 197 186 179 180 185 188 208 237 281 263 269 251 213 231 227 400mb Speed(kt): 45 51 49 61 56 63 49 38 40 35 30 17 14 15 21 350mb GPH (m): 8522 8520 8505 8478 8436 8404 8364 8351 8386 8437 8464 8476 8463 8467 8479 350mb Temp (C): -28.5 -29.0 -27.9 -30.2 -29.7 -30.5 -33.0 -35.0 -31.9 -31.3 -30.6 -30.4 -30.8 -30.7 -29.6 350mb Dewpt(C): -34.2 -32.0 -30.7 -44.7 -47.0 -44.4 -52.8 -46.8 -44.9 -39.8 -44.1 -44.4 -49.4 -49.3 -49.0 350mb RH (%): 59 76 77 24 18 26 13 31 28 44 27 26 16 15 15 350mb Dir: 197 186 175 179 186 189 202 233 274 264 267 251 220 232 236 350mb Speed(kt): 46 52 54 65 62 72 67 40 50 42 32 16 17 17 19 300mb GPH (m): 9609 9602 9593 9557 9517 9482 9436 9409 9456 9509 9541 9553 9538 9542 9558 300mb Temp (C): -36.4 -37.5 -37.2 -37.9 -38.1 -38.4 -38.6 -42.1 -40.0 -40.1 -39.0 -38.9 -39.5 -39.4 -38.9 300mb Dewpt(C): -40.9 -41.1 -40.3 -58.5 -52.2 -50.1 -57.1 -57.0 -54.9 -48.1 -51.3 -54.1 -53.5 -55.5 -50.0 300mb RH (%): 64 69 74 11 23 30 14 20 21 44 28 20 23 18 32 300mb Dir: 200 190 177 178 189 189 197 224 268 260 264 245 222 227 239 300mb Speed(kt): 53 66 55 72 66 76 85 51 52 48 37 20 21 20 25 250mb GPH (m): 10849 10836 10825 10789 10745 10712 10668 10632 10677 10728 10763 10776 10756 10763 10779 250mb Temp (C): -45.1 -46.4 -47.4 -46.7 -47.6 -46.6 -45.6 -45.0 -48.1 -49.1 -49.1 -49.1 -50.0 -49.1 -49.5 250mb Dewpt(C): -50.4 -50.3 -51.0 -59.5 -56.4 -62.4 -63.7 -68.0 -62.8 -58.4 -56.9 -58.4 -58.5 -61.0 -55.5 250mb RH (%): 57 66 68 24 38 17 13 7 18 35 42 35 39 26 51 250mb Dir: 202 191 177 181 191 191 196 218 257 260 261 237 217 225 239 250mb Speed(kt): 64 78 79 82 71 81 87 64 59 52 42 23 18 24 32 200mb GPH (m): 12302 12287 12266 12235 12192 12167 12138 12115 12124 12164 12195 12205 12183 12190 12207 200mb Temp (C): -55.6 -55.0 -56.1 -55.1 -53.6 -52.1 -48.7 -47.0 -53.4 -56.2 -56.9 -58.1 -58.0 -59.0 -57.9 200mb Dewpt(C): -60.1 -58.8 -60.5 -67.6 -68.5 -71.6 -72.6 -75.9 -69.2 -68.0 -66.4 -66.2 -66.8 -65.6 -64.9 200mb RH (%): 59 65 60 22 17 9 6 3 15 24 32 37 34 45 43 200mb Dir: 207 193 188 187 195 195 202 230 248 250 250 232 222 229 232 200mb Speed(kt): 76 90 93 86 74 72 68 59 58 52 44 33 25 31 34 150mb GPH (m): 14108 14108 14091 14073 14043 14033 14025 14010 13991 14006 14031 14034 14007 14012 14022 150mb Temp (C): -59.9 -58.0 -54.9 -54.6 -54.2 -53.1 -50.8 -49.8 -51.1 -52.6 -53.8 -53.6 -53.6 -54.0 -55.4 150mb Dewpt(C): -77.1 -78.0 -81.7 -82.0 -84.4 -83.6 -86.5 -85.4 -86.2 -82.8 -83.7 -83.7 -81.2 -83.9 -82.2 150mb RH (%): 11 8 3 3 2 2 1 1 1 2 2 2 3 2 3 150mb Dir: 202 195 195 196 196 198 211 225 233 239 237 230 218 224 227 150mb Speed(kt): 48 46 50 59 53 48 44 38 34 36 41 29 28 29 34 100mb GPH (m): 16654 16657 16665 16658 16634 16627 16635 16630 16598 16611 16616 16623 16596 16604 16614 100mb Temp (C): -58.4 -58.3 -58.8 -57.8 -56.5 -55.6 -55.4 -55.5 -54.9 -54.9 -55.8 -56.2 -55.5 -55.3 -55.1 100mb Dewpt(C): -87.6 -91.6 -87.5 -91.0 -90.2 -85.1 -89.4 -85.0 -89.1 -89.0 -85.3 -85.6 -85.0 -89.3 -89.2 100mb RH (%): 2 1 2 1 1 2 1 2 1 1 2 2 2 1 1 100mb Dir: 196 188 207 206 185 196 217 207 216 224 231 217 226 201 222 100mb Speed(kt): 16 20 24 26 26 26 29 25 20 19 21 17 18 19 25