Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z AUG 21, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 988.4 990.4 990.8 990.5 990.2 991.2 993.2 995.4 994.9 995.7 996.5 998.7 997.0 995.6 993.8 Mean SLP (mb): 1011.4 1013.9 1014.6 1014.0 1013.6 1014.9 1017.5 1019.8 1018.9 1019.9 1020.8 1023.0 1020.9 1019.7 1018.1 2m agl Tmp (F): 88.2 74.0 65.1 75.0 75.1 69.3 57.1 56.1 65.4 60.5 58.0 58.1 68.0 61.5 54.1 2m agl Dewpt(F): 63.0 62.3 60.6 63.6 62.9 61.7 53.6 53.0 53.2 54.5 54.8 55.9 57.1 55.7 53.8 2m agl RH (%): 41 66 85 67 65 76 88 89 64 80 89 92 67 80 99 10m agl Dir: 294 346 148 249 191 259 187 184 218 204 193 190 339 329 56 10m agl Spd(kt): 4 2 2 3 2 3 5 3 6 6 5 3 4 3 4 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.03 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 0.00 0.02 0.05 0.05 0.05 0.05 Sfc CAPE (J/kg): 246.2 27.5 3.9 42.3 84.4 0.0 2.7 9.8 10.2 22.3 21.0 10.4 9.7 0.0 0.1 Sfc CINH (J/kg):-223.9 -63.0 -8.4 -136.2 -531.2 -58.2 0.0 0.0 0.0 -0.2 -0.8 -8.5 -0.1 0.0 0.0 0-3km Hel(J/kg): 77.8 110.2 37.9 174.3 160.5 213.6 128.6 51.9 69.5 88.5 78.1 61.9 13.9 38.3 37.5 Precip H20 (in): 0.73 0.84 0.98 1.12 1.32 1.36 1.20 0.90 0.91 0.87 0.92 0.86 0.84 0.78 0.70 Lifted Index(C): -1.7 -1.1 0.3 -0.1 -0.8 -0.5 1.0 4.2 3.2 5.5 5.8 7.7 6.1 6.0 5.7 700mb VV(-ub/s): -0.9 -2.0 2.2 2.6 -4.3 6.6 4.9 2.4 -0.4 -0.9 -1.5 -2.4 -1.2 -1.4 -0.3 Thk1000-500mb(m)5765.2 5754.8 5743.3 5747.9 5737.8 5714.6 5663.8 5614.7 5593.1 5593.4 5595.2 5616.1 5647.8 5660.8 5660.9 Thk1000-850mb(m)1425.8 1416.6 1404.5 1407.8 1412.5 1397.6 1369.4 1357.9 1361.9 1355.9 1352.1 1354.8 1369.4 1376.8 1379.7 Thk850-700mb(m):1644.0 1645.3 1647.8 1648.3 1641.9 1640.1 1625.2 1609.4 1604.0 1598.1 1599.0 1603.7 1612.7 1615.5 1615.8 SWEAT Index: 44.3 43.7 40.5 64.5 131.8 140.9 144.6 132.0 126.5 131.4 135.9 110.1 67.8 23.7 22.5 Total Totals Idx 36.6 30.6 35.9 39.7 47.9 48.3 46.2 43.8 44.5 38.5 37.7 35.0 37.3 37.0 39.3 Frz Hgt(ft amsl) 15268 14722 14442 14645 14247 13792 13595 12383 11677 11922 11797 12461 13119 13429 13437 0WetBlbHgt(amsl) 11059 12148 12824 12833 13002 13238 12613 10894 9898 9015 9597 9491 9686 9593 9224 Equil Prs (mb): 212 990 991 280 353 991 993 995 995 843 852 887 997 996 994 Equil Hgt(amsl): 39161 26 26 33080 27724 26 26 26 26 5218 4939 3929 26 26 26 Hail Size(in): 0.00 0.00 0.20 0.23 0.19 0.09 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.00 Conv Wind Gust: 62.2 57.2 57.0 56.8 56.5 54.4 51.1 19.3 33.3 30.0 21.6 21.5 25.8 46.6 46.2 Showalter Index: 6.8 9.2 7.1 5.2 0.6 0.1 1.5 3.4 3.8 7.1 7.1 8.2 7.0 7.2 6.0 Cap Strength(C): 0.0 -999.9 -999.9 6.6 0.0 -999.9 -999.9 7.6 -999.9 -999.9 5.5 6.6 4.0 -999.9 -999.9 Storm Dir (deg): 251 237 207 204 217 202 204 222 253 280 303 321 336 320 233 Storm Spd (kts): 12 13 11 14 17 15 16 14 15 16 14 8 6 4 5 2m HeatIndex(F): 89 74 65 75 75 69 57 56 65 60 58 58 68 62 54 2m WindChill(F): 88 74 65 75 75 69 57 56 65 60 58 58 68 62 54 1000mb GPH (m): 101 120 124 121 118 128 146 165 160 168 174 192 178 166 151 950mb GPH (m): 556 568 565 565 565 571 577 594 596 601 606 624 616 603 585 950mb Temp (C): 26.4 24.2 19.6 19.1 20.8 19.3 11.2 9.7 13.9 11.8 11.3 12.0 14.7 14.8 15.1 950mb Dewpt(C): 13.8 16.3 16.0 15.5 14.4 15.2 10.1 9.5 10.6 11.5 11.0 11.9 12.5 12.1 11.3 950mb RH (%): 44 60 79 79 66 77 93 99 80 98 98 99 86 84 77 950mb Dir: 299 2 186 251 189 255 188 193 219 209 208 230 344 358 43 950mb Speed(kt): 4 5 3 3 2 6 8 6 8 11 12 10 4 9 5 900mb GPH (m): 1030 1040 1033 1033 1033 1035 1031 1044 1049 1052 1056 1075 1071 1059 1044 900mb Temp (C): 24.7 23.7 22.1 22.6 22.8 17.6 14.5 10.7 9.5 9.3 8.6 9.2 10.9 13.9 16.8 900mb Dewpt(C): 1.8 3.2 6.2 6.0 7.7 12.4 10.6 9.9 9.4 9.0 8.4 9.0 8.6 8.1 5.1 900mb RH (%): 21 25 34 33 37 71 77 95 99 98 98 98 85 68 45 900mb Dir: 298 264 341 90 155 235 222 221 220 219 243 274 355 23 76 900mb Speed(kt): 3 3 3 8 7 5 9 12 8 15 10 8 8 8 7 850mb GPH (m): 1527 1537 1529 1529 1531 1525 1516 1523 1522 1523 1527 1547 1548 1543 1531 850mb Temp (C): 21.5 22.1 22.2 22.1 21.9 19.2 15.4 13.1 9.9 6.1 6.7 7.4 13.7 15.9 16.3 850mb Dewpt(C): -3.9 -9.3 -4.6 -2.8 5.0 7.4 6.7 4.7 4.0 5.7 6.4 6.7 2.8 -0.4 0.0 850mb RH (%): 17 11 16 18 32 45 55 56 66 97 98 95 47 32 32 850mb Dir: 217 222 193 111 168 146 232 230 218 238 277 317 354 2 91 850mb Speed(kt): 3 5 1 15 17 4 8 16 22 13 11 7 9 5 4 800mb GPH (m): 2047 2058 2051 2050 2052 2044 2028 2032 2028 2024 2029 2052 2058 2054 2042 800mb Temp (C): 18.5 18.1 18.8 18.7 17.3 17.1 13.6 11.7 10.8 10.8 9.4 10.9 11.8 12.6 12.8 800mb Dewpt(C): -13.9 -2.3 -5.7 -2.1 4.7 3.8 4.5 -1.2 1.1 -1.3 1.6 -0.9 -0.4 -2.9 -4.5 800mb RH (%): 10 24 18 23 42 40 53 40 50 43 57 43 42 33 29 800mb Dir: 227 220 186 136 171 105 204 226 222 257 296 310 338 0 120 800mb Speed(kt): 12 10 6 17 22 14 5 13 22 20 18 12 7 2 3 750mb GPH (m): 2595 2605 2599 2599 2598 2590 2569 2567 2563 2559 2562 2587 2594 2592 2580 750mb Temp (C): 14.2 13.8 14.6 14.8 12.6 13.3 10.8 8.1 7.3 7.7 7.3 7.9 8.6 9.2 9.2 750mb Dewpt(C): -7.9 -4.1 -3.1 -2.1 3.4 0.5 3.4 -0.6 0.2 -7.5 -4.6 -5.6 -4.5 -5.7 -8.0 750mb RH (%): 21 28 29 30 53 41 60 54 60 33 42 38 39 34 28 750mb Dir: 223 219 171 161 174 122 148 202 223 259 290 312 310 315 175 750mb Speed(kt): 20 18 9 19 27 23 13 12 22 22 20 11 7 1 3 700mb GPH (m): 3171 3182 3177 3177 3173 3166 3141 3133 3126 3122 3126 3151 3160 3159 3147 700mb Temp (C): 9.5 10.6 10.1 10.3 8.3 8.7 7.9 3.8 3.2 3.0 3.4 3.9 5.0 5.5 5.4 700mb Dewpt(C): -9.1 -8.2 -2.9 -2.9 1.3 0.5 0.7 1.1 -5.5 -7.6 -5.9 -8.1 -9.5 -11.9 -14.0 700mb RH (%): 26 25 39 39 61 56 60 82 53 45 50 41 34 27 23 700mb Dir: 211 212 159 172 181 149 151 185 225 259 285 323 290 253 207 700mb Speed(kt): 22 29 15 22 31 24 25 18 23 24 22 11 7 2 4 650mb GPH (m): 3780 3794 3788 3789 3781 3773 3747 3730 3722 3718 3722 3748 3760 3760 3747 650mb Temp (C): 5.7 5.8 5.4 5.6 4.2 3.3 3.1 0.3 -1.2 -0.5 -0.9 0.2 1.2 1.8 1.7 650mb Dewpt(C): -14.5 -6.8 -4.6 -3.1 -1.3 0.2 -1.4 -16.0 -11.6 -15.9 -9.6 -16.2 -15.2 -20.6 -21.1 650mb RH (%): 22 40 48 53 67 80 72 28 45 30 51 28 28 17 17 650mb Dir: 205 201 160 173 189 165 163 181 231 257 282 314 300 242 220 650mb Speed(kt): 19 32 22 25 34 28 31 23 23 26 23 11 6 4 5 600mb GPH (m): 4428 4442 4435 4436 4426 4416 4390 4366 4353 4351 4355 4385 4399 4400 4387 600mb Temp (C): 1.7 0.3 -0.3 0.2 -0.6 -1.6 -1.9 -3.5 -6.5 -4.7 -4.3 -2.5 -1.9 -1.6 -1.4 600mb Dewpt(C): -18.7 -8.5 -3.0 -9.6 -5.7 -2.9 -6.7 -22.5 -16.0 -19.1 -19.3 -26.6 -27.4 -27.8 -31.8 600mb RH (%): 20 51 82 47 69 91 70 22 47 32 30 14 13 12 8 600mb Dir: 219 197 174 187 199 185 170 182 231 254 277 285 286 226 231 600mb Speed(kt): 20 30 30 29 35 35 35 30 26 27 25 14 7 6 10 550mb GPH (m): 5123 5132 5125 5127 5115 5104 5075 5048 5028 5030 5036 5070 5086 5087 5075 550mb Temp (C): -3.6 -4.7 -4.5 -4.8 -5.4 -6.2 -7.3 -7.9 -10.5 -8.8 -7.9 -6.3 -5.0 -5.1 -5.8 550mb Dewpt(C): -14.4 -17.9 -19.3 -9.5 -9.7 -9.1 -11.3 -29.4 -29.2 -23.9 -24.7 -33.8 -39.1 -26.3 -23.8 550mb RH (%): 43 35 31 70 71 80 73 16 20 29 25 10 5 18 23 550mb Dir: 223 201 183 197 203 189 175 183 225 256 276 281 266 233 230 550mb Speed(kt): 29 30 35 33 38 41 43 38 31 30 28 16 11 10 13 500mb GPH (m): 5866 5875 5868 5869 5856 5842 5810 5780 5753 5761 5770 5809 5826 5827 5812 500mb Temp (C): -9.5 -8.9 -9.2 -10.2 -10.5 -10.9 -12.1 -13.0 -15.3 -13.4 -12.3 -10.5 -10.4 -10.7 -11.5 500mb Dewpt(C): -20.4 -27.7 -29.7 -13.4 -13.6 -17.5 -23.8 -37.1 -33.6 -32.4 -36.1 -42.1 -33.5 -25.8 -26.9 500mb RH (%): 41 21 18 77 78 58 37 12 20 19 12 6 14 28 27 500mb Dir: 216 203 193 198 199 187 178 182 217 258 271 286 263 239 224 500mb Speed(kt): 38 34 38 35 38 45 49 44 36 37 37 17 17 14 15 450mb GPH (m): 6673 6682 6674 6673 6660 6644 6606 6573 6541 6553 6566 6609 6627 6628 6611 450mb Temp (C): -13.6 -14.0 -14.4 -14.8 -14.9 -15.9 -18.3 -19.0 -20.3 -19.4 -17.6 -16.8 -16.4 -16.3 -17.0 450mb Dewpt(C): -32.3 -33.5 -33.6 -16.6 -17.8 -25.4 -30.1 -37.0 -32.6 -36.8 -40.1 -37.6 -34.5 -32.4 -34.7 450mb RH (%): 20 18 19 86 79 45 35 20 34 21 13 15 20 24 21 450mb Dir: 212 205 199 192 192 183 180 182 210 254 265 284 253 244 221 450mb Speed(kt): 38 39 41 41 42 48 53 52 43 42 44 21 19 15 16 400mb GPH (m): 7557 7565 7555 7554 7540 7521 7474 7439 7401 7415 7437 7480 7501 7502 7483 400mb Temp (C): -20.2 -19.9 -20.9 -20.8 -20.8 -21.7 -23.8 -24.7 -27.7 -26.4 -23.6 -24.0 -23.0 -22.9 -23.7 400mb Dewpt(C): -36.8 -46.8 -37.1 -22.9 -23.4 -30.2 -45.9 -45.8 -43.3 -40.1 -42.2 -43.8 -38.3 -38.5 -38.5 400mb RH (%): 22 8 23 83 80 47 12 13 22 27 17 15 24 24 25 400mb Dir: 211 201 201 186 185 177 182 185 206 249 259 276 254 243 221 400mb Speed(kt): 38 41 43 49 45 53 55 62 50 45 49 29 21 16 19 350mb GPH (m): 8529 8539 8525 8526 8514 8489 8438 8397 8344 8364 8396 8439 8463 8465 8443 350mb Temp (C): -28.3 -27.8 -28.4 -28.4 -27.5 -29.3 -29.7 -31.0 -35.0 -33.5 -31.7 -31.3 -30.5 -30.5 -31.1 350mb Dewpt(C): -41.7 -45.4 -33.7 -32.4 -30.2 -38.5 -50.0 -49.2 -49.8 -49.7 -48.5 -51.0 -40.8 -41.5 -46.8 350mb RH (%): 28 18 61 70 79 42 13 16 22 19 19 14 37 35 21 350mb Dir: 215 203 201 185 181 177 184 185 205 243 255 267 259 239 223 350mb Speed(kt): 40 44 50 58 49 58 58 73 59 53 52 40 26 14 22 300mb GPH (m): 9614 9628 9614 9611 9603 9572 9519 9475 9405 9432 9468 9510 9538 9541 9515 300mb Temp (C): -36.8 -35.7 -36.1 -37.2 -36.2 -36.7 -37.4 -38.1 -40.1 -39.0 -39.4 -40.4 -39.7 -39.4 -39.9 300mb Dewpt(C): -46.7 -50.2 -39.3 -41.1 -39.5 -42.0 -53.4 -52.2 -58.6 -59.0 -59.1 -49.7 -50.8 -53.5 -54.6 300mb RH (%): 37 23 73 68 72 59 19 23 13 11 12 38 32 23 21 300mb Dir: 216 208 202 190 182 177 188 187 203 243 255 261 256 249 222 300mb Speed(kt): 45 52 57 70 63 72 67 77 75 58 57 46 34 14 26 250mb GPH (m): 10853 10870 10852 10846 10841 10808 10751 10705 10638 10670 10692 10727 10757 10760 10737 250mb Temp (C): -45.3 -45.5 -46.2 -46.3 -46.8 -46.5 -46.9 -46.4 -43.8 -44.8 -48.2 -49.4 -49.5 -49.6 -49.0 250mb Dewpt(C): -55.0 -54.2 -50.0 -50.1 -50.5 -52.2 -57.6 -61.2 -67.5 -65.7 -63.6 -58.9 -58.8 -57.6 -63.5 250mb RH (%): 35 39 66 67 67 54 31 19 7 9 17 34 35 41 19 250mb Dir: 219 208 204 192 177 181 190 189 202 240 250 256 252 247 223 250mb Speed(kt): 55 58 68 83 78 78 74 81 82 69 59 54 37 21 28 200mb GPH (m): 12306 12321 12301 12295 12281 12252 12202 12165 12127 12137 12134 12162 12189 12188 12164 200mb Temp (C): -55.5 -55.7 -55.1 -55.4 -56.5 -56.4 -53.3 -51.0 -46.0 -49.8 -53.7 -55.7 -56.4 -57.6 -58.3 200mb Dewpt(C): -65.0 -60.4 -60.5 -59.0 -60.1 -66.2 -69.7 -72.3 -78.8 -71.3 -68.6 -67.0 -66.7 -68.3 -64.5 200mb RH (%): 32 58 53 66 65 31 14 8 2 7 16 26 29 27 47 200mb Dir: 217 210 208 196 186 191 193 192 207 236 244 246 239 242 223 200mb Speed(kt): 65 67 77 94 84 78 71 72 63 59 60 54 41 30 33 150mb GPH (m): 14112 14129 14108 14104 14092 14073 14048 14033 14022 14015 13996 14012 14029 14021 13990 150mb Temp (C): -59.8 -59.9 -59.5 -59.0 -57.1 -56.0 -55.3 -52.9 -50.1 -51.2 -51.5 -52.5 -53.2 -52.5 -53.7 150mb Dewpt(C): -77.7 -77.1 -76.8 -77.9 -79.1 -82.7 -82.6 -87.2 -81.2 -86.8 -86.5 -82.7 -83.3 -82.8 -83.7 150mb RH (%): 10 11 11 9 6 3 3 1 2 1 1 2 2 2 2 150mb Dir: 220 214 201 192 193 200 196 200 215 229 236 242 234 228 222 150mb Speed(kt): 44 41 41 45 50 55 47 47 46 41 37 39 35 31 27 100mb GPH (m): 16665 16680 16659 16663 16660 16658 16629 16629 16642 16631 16602 16609 16616 16614 16584 100mb Temp (C): -58.0 -58.2 -57.3 -57.8 -57.8 -57.1 -56.6 -54.8 -55.5 -56.3 -55.1 -55.5 -55.8 -55.4 -55.4 100mb Dewpt(C): -86.9 -87.6 -90.8 -86.8 -87.1 -91.0 -90.2 -89.0 -85.1 -85.6 -89.2 -85.0 -85.3 -89.4 -89.4 100mb RH (%): 2 2 1 2 2 1 1 1 2 2 1 2 2 1 1 100mb Dir: 219 210 205 189 188 195 210 211 209 199 228 215 237 214 216 100mb Speed(kt): 19 19 16 15 19 23 25 20 19 29 21 19 22 13 21