Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z AUG 20, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 990.1 990.1 990.1 990.7 988.9 989.9 990.0 990.9 989.7 991.4 992.9 995.2 995.4 996.8 997.8 Mean SLP (mb): 1013.3 1013.6 1013.9 1014.2 1011.9 1013.3 1013.7 1014.4 1013.0 1015.1 1017.1 1019.5 1019.4 1021.0 1022.1 2m agl Tmp (F): 83.5 71.3 63.1 75.6 86.4 74.1 66.6 74.8 81.5 70.1 59.0 59.5 65.9 61.9 59.2 2m agl Dewpt(F): 60.0 61.3 59.8 63.4 61.0 62.5 61.3 64.4 64.1 61.5 52.0 52.5 53.8 55.3 56.5 2m agl RH (%): 43 70 89 65 41 66 83 69 54 73 77 77 64 78 91 10m agl Dir: 299 306 108 266 311 355 112 245 275 267 183 201 221 213 210 10m agl Spd(kt): 5 2 2 3 5 2 1 3 3 2 4 6 7 6 4 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 0.01 0.02 AccumPrecip(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 0.01 0.03 Sfc CAPE (J/kg): 80.6 6.6 5.8 38.3 130.3 37.2 0.9 136.1 556.3 86.0 0.4 4.5 20.8 25.7 34.0 Sfc CINH (J/kg): 0.0 -122.6 -50.6 -71.8 -248.7 -75.2 -24.0 -538.8 -230.3 -336.1 0.0 -0.2 0.0 0.0 -0.2 0-3km Hel(J/kg): 58.4 67.2 52.3 57.3 93.5 113.8 42.9 153.7 139.6 70.1 47.4 33.2 79.5 103.8 55.3 Precip H20 (in): 0.83 0.96 0.93 0.84 0.98 0.93 1.12 1.24 1.38 1.39 1.07 0.89 0.84 0.93 0.87 Lifted Index(C): 1.8 -1.7 0.0 1.1 -1.1 -1.3 -1.6 -1.0 -3.6 -3.0 -1.0 0.2 2.6 4.6 7.2 700mb VV(-ub/s): -1.2 -2.1 0.4 -1.0 -0.7 -1.5 1.9 2.2 1.0 2.9 4.6 3.3 -0.3 -1.7 -2.2 Thk1000-500mb(m)5736.7 5736.5 5722.7 5730.6 5756.3 5753.6 5740.9 5734.9 5730.1 5699.1 5647.4 5598.9 5583.5 5600.2 5610.4 Thk1000-850mb(m)1408.6 1403.6 1396.8 1403.2 1421.0 1415.7 1407.6 1406.4 1411.4 1396.6 1370.4 1358.2 1361.4 1358.5 1354.8 Thk850-700mb(m):1635.8 1640.7 1637.8 1639.9 1644.2 1646.8 1646.8 1645.3 1641.8 1635.2 1622.0 1607.4 1600.0 1602.2 1604.3 SWEAT Index: 70.4 111.1 126.1 91.5 63.1 49.0 60.7 91.5 177.2 170.1 195.3 175.4 177.5 134.4 113.2 Total Totals Idx 38.6 46.2 48.3 42.2 41.3 35.0 42.6 44.8 49.3 49.2 49.9 50.0 44.4 40.5 35.2 Frz Hgt(ft amsl) 14946 14836 14760 14698 14798 14647 14316 14226 13973 13377 12869 11749 11359 11770 12014 0WetBlbHgt(amsl) 10146 10186 9978 10936 11614 12055 13317 12885 12466 12633 12406 10875 8670 9379 9451 Equil Prs (mb): 238 990 990 292 250 990 990 250 224 397 993 995 995 844 854 Equil Hgt(amsl): 36451 26 26 32110 35623 26 26 35544 37816 24769 26 26 26 5234 4924 Hail Size(in): 0.33 0.71 0.49 0.09 0.00 0.02 0.06 0.10 0.12 0.10 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 58.1 51.5 53.9 53.6 60.1 56.4 51.6 54.6 60.5 50.3 45.8 45.5 32.8 30.4 24.4 Showalter Index: 5.8 1.3 0.0 3.7 4.3 7.5 3.7 2.5 -0.5 -0.6 -1.2 -0.4 4.0 5.7 8.6 Cap Strength(C): 5.4 -999.9 -999.9 0.0 0.0 -999.9 -999.9 5.4 4.3 6.5 -999.9 -999.9 3.6 5.4 5.8 Storm Dir (deg): 273 268 259 247 250 233 213 212 221 216 216 228 275 305 316 Storm Spd (kts): 9 9 8 9 12 13 11 14 19 17 15 13 14 15 12 2m HeatIndex(F): 84 71 63 76 87 74 67 75 83 70 59 60 66 62 59 2m WindChill(F): 84 71 63 76 86 74 67 75 82 70 59 60 66 62 59 1000mb GPH (m): 116 117 118 123 105 115 117 125 114 129 144 163 164 177 185 950mb GPH (m): 567 562 558 567 559 564 560 569 565 573 576 593 601 611 617 950mb Temp (C): 23.0 21.4 19.3 19.5 25.5 23.9 21.9 19.4 23.2 19.8 12.4 9.7 13.9 12.5 11.9 950mb Dewpt(C): 13.2 15.8 15.4 14.3 14.4 16.2 16.5 16.7 16.3 15.5 8.2 9.5 10.7 12.0 11.7 950mb RH (%): 53 70 78 71 49 60 70 84 64 76 75 99 80 97 99 950mb Dir: 311 356 300 267 315 359 267 231 276 208 192 199 223 220 236 950mb Speed(kt): 5 8 2 2 6 4 2 2 3 3 7 7 10 13 8 900mb GPH (m): 1035 1030 1024 1033 1031 1035 1030 1036 1033 1038 1031 1043 1054 1063 1068 900mb Temp (C): 19.8 19.2 20.0 20.8 22.7 22.8 21.6 21.6 19.6 17.4 14.5 11.3 9.5 9.3 8.8 900mb Dewpt(C): 10.1 14.1 8.1 5.2 9.2 8.1 9.1 8.3 11.8 15.1 8.0 5.8 9.1 9.0 8.5 900mb RH (%): 53 71 45 35 41 38 43 41 60 85 64 69 98 98 98 900mb Dir: 335 355 333 336 324 258 296 59 275 229 210 221 226 227 277 900mb Speed(kt): 7 4 7 5 3 2 3 1 3 6 9 13 11 16 8 850mb GPH (m): 1525 1521 1515 1526 1526 1531 1525 1531 1525 1526 1514 1521 1526 1536 1540 850mb Temp (C): 18.1 19.1 18.4 19.1 20.5 21.9 21.1 21.0 19.3 17.4 14.1 12.0 8.5 6.9 7.6 850mb Dewpt(C): 3.0 6.4 7.9 4.8 1.7 -4.9 1.2 3.1 7.7 8.4 10.1 7.8 4.6 6.3 5.0 850mb RH (%): 36 42 49 38 28 16 26 30 46 55 76 75 76 96 84 850mb Dir: 331 336 331 306 221 193 212 121 189 207 220 224 233 241 303 850mb Speed(kt): 4 6 4 2 2 5 4 7 18 11 6 14 17 13 13 800mb GPH (m): 2042 2040 2032 2044 2046 2053 2046 2052 2044 2043 2026 2029 2030 2038 2045 800mb Temp (C): 17.2 17.6 16.4 17.3 18.3 18.3 18.8 18.3 17.3 16.1 14.0 11.8 9.1 10.5 10.6 800mb Dewpt(C): -8.7 -6.3 -1.3 -8.1 -10.5 1.7 -2.4 0.4 4.7 4.1 -5.2 -5.0 4.8 0.3 -1.7 800mb RH (%): 16 18 29 16 13 32 23 29 42 44 25 30 74 49 42 800mb Dir: 241 266 256 228 230 196 188 150 181 193 228 222 243 278 300 800mb Speed(kt): 7 6 3 7 9 10 10 12 31 20 11 15 20 18 17 750mb GPH (m): 2587 2586 2577 2590 2593 2600 2595 2600 2591 2588 2566 2564 2563 2573 2579 750mb Temp (C): 13.1 13.7 13.4 13.8 13.8 14.3 14.6 14.1 13.4 12.2 10.3 7.6 7.6 8.2 7.9 750mb Dewpt(C): -9.6 -11.3 -11.3 -9.4 1.5 -4.3 -3.9 0.2 2.3 2.7 -0.4 -4.4 -8.8 -6.9 -3.3 750mb RH (%): 19 16 16 19 42 27 27 38 46 52 47 42 30 33 45 750mb Dir: 234 243 239 216 223 206 177 168 179 182 195 210 247 284 293 750mb Speed(kt): 11 10 9 13 16 16 14 20 36 25 15 16 21 21 17 700mb GPH (m): 3161 3162 3153 3166 3170 3178 3171 3176 3167 3161 3136 3129 3126 3138 3144 700mb Temp (C): 8.6 10.3 10.0 9.1 9.3 10.5 9.8 9.3 8.9 7.7 6.2 3.8 3.0 3.9 4.5 700mb Dewpt(C): -13.5 -18.1 -19.8 -7.8 -2.4 -10.4 -4.1 1.1 -0.5 2.4 2.4 -0.9 -9.9 -7.5 -12.0 700mb RH (%): 19 12 10 29 43 22 37 56 51 69 76 71 38 43 29 700mb Dir: 239 229 231 211 214 205 172 178 182 176 175 197 248 284 291 700mb Speed(kt): 13 15 15 18 22 23 15 25 38 28 21 17 22 22 18 650mb GPH (m): 3768 3773 3763 3775 3780 3789 3781 3785 3775 3766 3739 3726 3720 3734 3741 650mb Temp (C): 5.0 6.2 5.6 5.2 5.4 5.4 5.0 4.3 4.0 2.2 1.5 -1.2 -2.3 -1.3 -0.7 650mb Dewpt(C): -21.1 -21.6 -15.0 -18.6 -12.3 -6.3 -0.7 -2.3 -3.4 -0.8 -0.7 -5.3 -9.7 -6.9 -12.1 650mb RH (%): 13 12 21 16 26 42 66 62 58 80 85 74 57 66 42 650mb Dir: 239 224 223 206 208 202 163 180 188 175 175 181 253 289 292 650mb Speed(kt): 17 19 19 20 21 29 21 29 38 32 28 22 23 24 19 600mb GPH (m): 4415 4421 4410 4421 4427 4435 4428 4430 4419 4407 4377 4358 4349 4367 4376 600mb Temp (C): 0.9 0.7 0.7 0.5 0.6 0.2 -0.6 -0.7 -1.3 -2.3 -3.7 -4.8 -6.8 -5.3 -3.7 600mb Dewpt(C): -19.5 -16.4 -16.8 -14.5 -16.1 -14.0 -4.7 -4.9 -7.2 -4.3 -7.9 -24.6 -22.4 -18.1 -27.2 600mb RH (%): 20 27 26 32 27 34 73 73 64 86 73 20 28 36 15 600mb Dir: 234 223 220 208 215 198 172 185 195 182 181 179 255 293 294 600mb Speed(kt): 20 21 21 17 22 31 28 30 37 37 36 24 24 25 21 550mb GPH (m): 5108 5112 5102 5111 5119 5126 5117 5119 5106 5092 5058 5035 5022 5045 5059 550mb Temp (C): -3.6 -4.3 -5.0 -5.1 -4.5 -4.5 -5.2 -5.5 -6.2 -7.0 -8.3 -10.0 -10.5 -8.1 -6.6 550mb Dewpt(C): -23.1 -18.5 -12.4 -17.0 -10.3 -17.7 -13.0 -11.5 -12.9 -11.5 -17.3 -23.3 -32.9 -34.6 -32.7 550mb RH (%): 21 33 56 39 64 35 54 63 59 70 49 33 15 10 11 550mb Dir: 228 223 217 212 214 203 188 193 199 185 183 190 252 290 283 550mb Speed(kt): 22 22 21 22 29 35 32 36 37 38 44 29 25 29 22 500mb GPH (m): 5853 5854 5841 5853 5861 5869 5858 5859 5844 5829 5791 5762 5748 5777 5796 500mb Temp (C): -8.8 -10.4 -11.0 -9.1 -9.5 -9.0 -10.2 -10.3 -11.2 -11.7 -12.8 -15.1 -15.7 -13.6 -11.3 500mb Dewpt(C): -20.3 -15.3 -16.8 -28.5 -20.9 -25.0 -17.2 -16.9 -14.7 -21.7 -31.5 -27.1 -35.1 -28.9 -29.0 500mb RH (%): 39 67 63 20 39 27 57 59 75 44 20 36 18 27 22 500mb Dir: 228 228 217 214 213 204 194 193 199 188 183 193 251 289 278 500mb Speed(kt): 27 23 23 29 38 38 38 40 42 42 46 34 25 33 26 450mb GPH (m): 6658 6657 6643 6660 6669 6676 6661 6662 6646 6627 6585 6549 6531 6567 6594 450mb Temp (C): -15.4 -15.8 -15.5 -13.8 -13.6 -14.3 -15.5 -15.6 -15.6 -17.1 -18.7 -21.1 -22.6 -19.6 -17.2 450mb Dewpt(C): -21.9 -26.9 -28.2 -44.5 -40.0 -31.1 -27.0 -26.3 -18.4 -31.6 -38.8 -40.9 -37.9 -37.1 -29.5 450mb RH (%): 58 39 33 6 9 23 38 40 80 28 16 16 25 20 34 450mb Dir: 218 224 223 219 211 206 197 194 191 190 185 191 253 288 269 450mb Speed(kt): 26 28 28 35 40 42 39 44 47 45 48 43 25 34 32 400mb GPH (m): 7536 7534 7522 7544 7552 7558 7539 7539 7525 7499 7452 7405 7382 7431 7466 400mb Temp (C): -21.8 -21.6 -20.6 -20.0 -20.3 -20.4 -21.4 -21.9 -21.2 -22.9 -24.5 -27.8 -29.7 -25.7 -23.5 400mb Dewpt(C): -35.4 -31.6 -53.8 -38.9 -36.9 -39.6 -32.2 -27.2 -23.4 -36.9 -40.9 -44.3 -43.0 -43.3 -38.6 400mb RH (%): 29 41 4 18 22 17 38 63 83 28 21 20 28 19 25 400mb Dir: 217 220 224 222 211 208 206 196 184 186 188 192 243 291 263 400mb Speed(kt): 19 28 41 40 42 44 50 51 53 62 51 51 28 38 39 350mb GPH (m): 8502 8501 8496 8517 8524 8530 8509 8509 8496 8464 8410 8354 8321 8383 8426 350mb Temp (C): -30.0 -29.6 -26.8 -27.9 -28.4 -27.8 -27.8 -27.5 -28.3 -30.0 -31.3 -32.3 -35.6 -32.7 -30.9 350mb Dewpt(C): -40.8 -37.2 -52.9 -40.6 -39.9 -40.8 -31.6 -30.7 -31.1 -37.1 -43.5 -53.0 -56.3 -52.0 -42.9 350mb RH (%): 36 49 7 30 34 29 71 75 77 51 30 12 11 14 31 350mb Dir: 220 230 230 220 216 205 197 188 184 176 188 194 227 298 258 350mb Speed(kt): 19 32 51 45 49 52 67 62 62 66 62 73 40 47 43 300mb GPH (m): 9580 9582 9585 9602 9611 9619 9598 9597 9581 9543 9486 9432 9385 9454 9498 300mb Temp (C): -39.1 -37.0 -37.0 -36.7 -36.3 -36.2 -36.6 -37.2 -37.3 -38.0 -38.3 -37.3 -38.6 -39.4 -40.5 300mb Dewpt(C): -46.7 -49.2 -47.2 -48.5 -48.2 -47.6 -40.3 -40.6 -40.7 -53.0 -52.2 -57.5 -64.4 -56.8 -50.5 300mb RH (%): 46 28 35 30 30 31 69 72 71 21 23 12 6 16 35 300mb Dir: 219 233 231 224 216 206 197 191 183 181 188 194 213 293 260 300mb Speed(kt): 27 46 56 50 58 63 69 70 64 75 77 88 60 50 45 250mb GPH (m): 10800 10819 10820 10842 10852 10859 10832 10827 10814 10775 10715 10670 10627 10679 10712 250mb Temp (C): -48.6 -46.5 -46.0 -45.6 -45.0 -45.7 -46.5 -47.2 -46.7 -46.6 -47.2 -44.7 -42.1 -47.6 -50.5 250mb Dewpt(C): -55.3 -55.0 -55.5 -56.0 -55.8 -54.7 -50.5 -51.0 -50.5 -60.3 -58.2 -62.6 -69.7 -64.4 -58.8 250mb RH (%): 47 39 35 32 31 37 65 66 66 22 29 13 4 14 39 250mb Dir: 233 235 232 223 217 207 203 198 184 186 189 196 214 260 257 250mb Speed(kt): 49 64 61 60 65 70 79 79 80 82 79 84 65 48 46 200mb GPH (m): 12245 12267 12269 12293 12307 12309 12279 12273 12260 12222 12169 12139 12124 12135 12143 200mb Temp (C): -55.5 -55.0 -55.9 -55.2 -54.7 -55.6 -55.8 -55.7 -56.0 -54.4 -52.3 -50.3 -45.7 -50.8 -55.3 200mb Dewpt(C): -64.9 -65.4 -64.8 -66.4 -65.2 -60.3 -61.0 -60.1 -64.6 -67.5 -70.3 -70.8 -75.2 -70.5 -66.6 200mb RH (%): 32 29 35 26 29 58 54 60 36 20 11 9 3 9 26 200mb Dir: 237 235 225 220 216 212 205 198 190 191 196 204 221 242 249 200mb Speed(kt): 82 68 61 58 70 74 83 90 89 83 74 73 54 54 50 150mb GPH (m): 14079 14088 14083 14102 14115 14117 14093 14088 14079 14064 14028 14015 14018 14011 13998 150mb Temp (C): -54.3 -56.4 -58.5 -60.5 -60.5 -59.9 -58.4 -57.9 -55.9 -54.6 -53.8 -51.3 -49.8 -51.0 -52.5 150mb Dewpt(C): -84.1 -82.9 -81.1 -76.8 -77.5 -77.7 -78.2 -79.5 -78.1 -84.5 -81.3 -86.5 -81.2 -86.3 -83.2 150mb RH (%): 2 3 5 12 11 10 8 6 6 2 3 1 2 1 2 150mb Dir: 229 239 229 222 214 210 203 200 199 198 201 209 228 233 246 150mb Speed(kt): 39 40 31 39 45 42 45 49 54 55 50 42 41 37 35 100mb GPH (m): 16662 16664 16639 16656 16665 16676 16652 16657 16659 16654 16627 16622 16639 16625 16597 100mb Temp (C): -57.1 -56.8 -57.6 -56.9 -57.7 -57.8 -57.0 -56.8 -56.5 -56.8 -55.6 -54.9 -55.3 -55.2 -55.3 100mb Dewpt(C): -90.6 -90.4 -91.0 -90.5 -91.1 -90.9 -90.6 -86.0 -85.8 -86.0 -85.2 -84.6 -89.3 -89.3 -89.4 100mb RH (%): 1 1 1 1 1 1 1 2 2 2 2 2 1 1 1 100mb Dir: 240 230 232 222 207 208 213 182 200 200 198 219 203 211 228 100mb Speed(kt): 18 16 20 14 19 22 17 16 17 21 28 20 22 24 21