Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z AUG 23, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 995.1 996.7 994.7 993.4 991.2 990.0 987.6 988.5 989.5 991.7 990.9 993.9 994.1 994.9 994.0 Mean SLP (mb): 1019.2 1020.7 1018.3 1017.3 1015.3 1013.4 1010.5 1011.7 1013.3 1015.3 1014.0 1017.9 1018.4 1019.2 1017.9 2m agl Tmp (F): 61.1 65.7 73.8 64.0 58.9 77.9 88.5 78.4 70.3 75.4 84.3 64.4 56.5 58.7 68.9 2m agl Dewpt(F): 56.6 58.1 57.2 56.9 53.7 55.1 51.7 47.4 45.3 58.1 55.2 57.7 53.5 54.5 55.7 2m agl RH (%): 85 76 55 77 82 44 27 32 40 54 35 78 89 85 62 10m agl Dir: 193 258 328 353 45 78 82 77 124 218 246 262 248 254 287 10m agl Spd(kt): 3 2 6 3 4 11 8 5 3 4 5 3 1 2 4 6hr Precip (in): 0.00 0.01 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 AccumPrecip(in): 0.00 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 Sfc CAPE (J/kg): 28.4 53.5 3.3 0.0 0.0 0.0 7.3 35.3 0.0 0.0 0.0 0.5 0.0 4.0 0.0 Sfc CINH (J/kg): 0.0 0.0 0.0 -0.2 -0.5 0.0 -9.3 -28.7 0.0 0.0 0.0 -0.2 -0.6 -0.4 0.0 0-3km Hel(J/kg): 70.8 25.2 -7.4 26.7 37.4 117.1 105.8 122.6 56.7 77.4 97.0 43.4 31.8 55.2 87.9 Precip H20 (in): 0.87 0.86 0.91 0.85 0.72 0.59 0.74 0.70 0.93 0.93 0.79 0.76 0.88 0.80 0.78 Lifted Index(C): 4.4 5.1 3.4 4.4 5.4 3.5 1.7 -0.4 0.5 3.5 2.3 4.6 7.7 7.9 5.3 700mb VV(-ub/s): -1.8 -1.7 -2.1 -1.5 -1.0 -0.4 0.8 0.6 1.7 0.9 0.4 -0.3 0.3 0.8 0.4 Thk1000-500mb(m)5588.2 5617.1 5656.9 5675.2 5685.3 5708.4 5737.3 5733.7 5712.3 5703.2 5718.5 5693.6 5673.2 5665.7 5663.9 Thk1000-850mb(m)1360.2 1363.0 1380.9 1384.3 1390.3 1403.5 1423.8 1424.8 1409.0 1398.7 1410.8 1386.5 1371.1 1367.0 1375.9 Thk850-700mb(m):1590.8 1597.6 1610.7 1618.0 1621.3 1628.0 1635.4 1634.3 1634.6 1630.5 1625.4 1625.2 1625.5 1618.7 1610.0 SWEAT Index: 134.0 106.7 83.1 17.4 34.7 35.4 75.0 129.9 96.3 68.9 123.8 45.1 48.5 49.8 69.7 Total Totals Idx 40.9 36.7 37.1 36.0 34.9 34.7 44.4 49.6 46.1 39.5 42.5 32.1 30.6 31.7 35.9 Frz Hgt(ft amsl) 11622 12605 13233 13893 13951 14183 14300 14107 13390 13877 14393 14224 13891 14580 14272 0WetBlbHgt(amsl) 8207 8534 9520 9959 10080 9371 10731 9986 11789 11348 9528 10982 11444 9962 9111 Equil Prs (mb): 799 823 995 993 991 990 306 988 990 992 321 994 994 995 994 Equil Hgt(amsl): 6664 5927 26 26 26 26 30822 26 26 26 29829 26 26 26 26 Hail Size(in): 0.00 0.00 0.29 0.24 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.02 0.00 0.00 0.02 Conv Wind Gust: 24.8 23.9 44.8 46.2 47.6 56.7 63.2 64.3 55.3 51.5 62.1 50.5 49.8 51.2 52.6 Showalter Index: 5.0 7.4 7.3 7.7 8.3 8.1 2.7 -0.5 1.7 5.5 3.4 9.9 10.5 10.2 8.2 Cap Strength(C): 4.7 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 -999.9 -999.9 -999.9 0.0 -999.9 -999.9 8.1 -999.9 Storm Dir (deg): 298 322 349 11 157 172 205 216 209 210 232 229 223 232 243 Storm Spd (kts): 11 8 8 4 6 9 11 14 11 11 14 16 12 12 17 2m HeatIndex(F): 61 66 74 64 59 78 86 78 70 75 83 64 56 59 69 2m WindChill(F): 61 66 74 64 59 78 88 78 70 75 84 64 56 59 69 1000mb GPH (m): 162 175 158 147 128 116 93 102 113 132 123 152 154 161 152 950mb GPH (m): 596 611 600 586 567 562 548 555 559 575 575 590 585 592 591 950mb Temp (C): 12.9 13.3 18.1 17.4 18.7 20.3 27.1 28.1 23.2 19.3 24.4 16.6 11.9 10.6 15.5 950mb Dewpt(C): 12.8 13.1 12.6 12.6 11.0 10.8 8.9 6.4 8.4 10.8 11.1 13.7 11.6 10.5 11.9 950mb RH (%): 99 98 69 73 60 53 30 24 37 57 42 82 98 99 79 950mb Dir: 201 247 333 18 80 81 85 107 162 215 245 266 194 223 288 950mb Speed(kt): 8 3 8 11 12 18 13 18 10 4 6 3 3 2 4 900mb GPH (m): 1049 1064 1060 1047 1030 1029 1022 1030 1029 1040 1045 1053 1040 1045 1048 900mb Temp (C): 10.0 10.3 13.4 15.5 18.6 21.0 23.4 24.9 22.5 19.5 20.0 17.3 14.7 14.3 14.0 900mb Dewpt(C): 9.7 9.3 11.3 9.3 4.1 -1.0 5.2 4.1 4.6 7.6 8.7 7.7 6.5 3.5 4.6 900mb RH (%): 98 93 87 66 37 22 30 25 30 45 47 52 57 47 53 900mb Dir: 221 245 341 52 89 107 88 127 165 171 240 204 230 222 256 900mb Speed(kt): 11 7 8 6 14 21 15 16 9 6 6 8 5 6 7 850mb GPH (m): 1522 1538 1539 1532 1519 1520 1517 1527 1522 1530 1534 1539 1525 1528 1528 850mb Temp (C): 7.5 7.7 11.2 16.2 17.2 18.8 20.2 20.8 19.1 18.1 17.0 16.0 16.2 14.8 12.7 850mb Dewpt(C): 7.3 6.3 4.1 -0.9 -3.6 -5.2 3.1 6.5 4.9 1.8 6.2 -3.1 -5.5 -5.2 0.5 850mb RH (%): 99 91 61 30 23 19 31 38 38 33 48 26 22 24 43 850mb Dir: 225 270 20 32 100 120 153 161 159 147 211 214 220 223 231 850mb Speed(kt): 9 5 7 4 10 10 8 9 7 10 10 9 10 10 12 800mb GPH (m): 2019 2038 2047 2044 2031 2035 2035 2046 2040 2046 2048 2051 2038 2038 2035 800mb Temp (C): 5.4 8.7 12.7 13.0 13.4 15.1 16.7 16.4 15.4 15.0 14.0 14.0 14.4 12.9 11.1 800mb Dewpt(C): 3.4 1.0 -1.5 -2.7 -3.7 -7.3 -0.8 1.9 6.5 2.2 3.5 -10.1 -0.7 -4.4 -5.3 800mb RH (%): 87 58 37 33 30 20 30 37 55 41 48 17 35 29 31 800mb Dir: 271 311 353 2 91 134 177 188 144 148 199 220 200 206 217 800mb Speed(kt): 10 9 11 5 5 8 9 12 9 12 16 20 16 15 22 750mb GPH (m): 2551 2572 2584 2581 2571 2577 2580 2590 2584 2589 2589 2591 2579 2577 2571 750mb Temp (C): 7.3 7.9 8.1 9.5 10.4 11.5 12.4 11.8 12.4 11.7 10.8 11.6 11.0 10.2 8.8 750mb Dewpt(C): -11.8 -10.4 -4.7 -6.5 -7.6 -13.7 -2.8 -2.5 0.2 1.9 -8.1 -10.4 -0.3 -0.7 -10.3 750mb RH (%): 24 26 40 31 27 15 34 36 43 50 25 20 45 46 25 750mb Dir: 284 304 337 356 100 156 194 198 164 169 196 208 181 191 210 750mb Speed(kt): 13 10 8 5 4 10 14 14 13 15 24 31 17 18 28 700mb GPH (m): 3113 3136 3149 3150 3140 3148 3152 3161 3157 3161 3160 3164 3150 3147 3138 700mb Temp (C): 3.0 3.6 4.9 6.1 6.8 7.5 7.5 7.5 7.7 7.0 7.4 8.2 6.5 6.6 6.4 700mb Dewpt(C): -13.7 -13.8 -10.5 -9.0 -9.4 -16.5 -6.3 -15.2 -2.0 -0.5 -19.5 -5.5 1.3 -12.3 -13.4 700mb RH (%): 28 27 32 33 30 16 37 18 50 59 13 37 69 24 23 700mb Dir: 287 311 335 336 137 162 196 207 175 179 192 190 174 187 210 700mb Speed(kt): 14 10 9 4 3 10 19 24 17 19 28 34 21 21 30 650mb GPH (m): 3708 3733 3749 3752 3744 3753 3758 3766 3762 3765 3765 3770 3754 3750 3743 650mb Temp (C): -1.2 0.5 1.5 2.8 2.9 3.7 3.7 3.4 2.5 2.5 4.0 3.7 2.6 3.5 3.5 650mb Dewpt(C): -17.5 -16.4 -17.2 -10.4 -12.1 -15.0 -18.3 -25.9 -4.6 -10.8 -24.5 -15.8 -10.6 -20.5 -14.9 650mb RH (%): 28 27 23 37 32 24 18 10 59 37 10 22 37 15 25 650mb Dir: 283 314 323 317 189 177 194 204 188 169 194 185 179 191 207 650mb Speed(kt): 17 13 10 4 3 8 18 29 22 22 29 36 24 24 33 600mb GPH (m): 4341 4371 4389 4395 4387 4397 4402 4409 4402 4406 4409 4414 4396 4395 4387 600mb Temp (C): -4.7 -2.4 -1.9 -0.9 -0.8 -0.5 -0.3 -0.7 -2.5 -1.0 -0.1 -0.5 -0.9 0.3 -0.2 600mb Dewpt(C): -23.1 -21.7 -22.7 -15.5 -18.9 -17.8 -27.5 -29.5 -14.7 -23.7 -24.1 -24.0 -23.4 -20.3 -20.3 600mb RH (%): 22 21 19 32 24 26 11 9 39 16 15 15 17 20 21 600mb Dir: 282 299 305 283 217 199 191 202 184 180 198 191 190 200 204 600mb Speed(kt): 20 14 12 4 6 10 16 27 23 24 30 32 25 26 34 550mb GPH (m): 5020 5056 5076 5083 5075 5086 5091 5097 5088 5094 5100 5103 5085 5086 5076 550mb Temp (C): -8.9 -6.4 -5.7 -5.5 -5.5 -5.4 -5.2 -5.4 -6.1 -5.2 -4.3 -4.4 -4.7 -4.4 -4.7 550mb Dewpt(C): -27.9 -30.3 -18.3 -22.3 -20.7 -23.2 -28.1 -28.0 -25.3 -28.3 -29.5 -28.5 -27.0 -17.1 -21.6 550mb RH (%): 20 14 36 26 29 24 15 15 21 15 12 14 16 37 26 550mb Dir: 278 288 285 262 228 210 199 203 192 192 201 195 199 207 206 550mb Speed(kt): 23 18 15 7 11 12 18 23 22 26 29 28 26 28 34 500mb GPH (m): 5750 5792 5815 5823 5814 5825 5830 5836 5826 5835 5842 5846 5827 5827 5816 500mb Temp (C): -13.1 -11.3 -10.9 -10.3 -10.7 -10.6 -10.5 -11.2 -11.1 -9.8 -9.6 -9.6 -10.0 -11.1 -11.3 500mb Dewpt(C): -50.5 -33.6 -24.9 -27.6 -27.5 -32.0 -32.2 -26.9 -26.4 -30.7 -30.0 -29.6 -26.6 -17.1 -18.2 500mb RH (%): 3 15 31 23 24 16 16 26 28 17 18 18 25 61 57 500mb Dir: 275 287 271 253 232 213 205 207 201 206 207 196 200 208 209 500mb Speed(kt): 28 21 19 9 14 15 21 22 23 28 29 27 29 30 39 450mb GPH (m): 6542 6590 6614 6624 6614 6624 6631 6635 6625 6637 6645 6649 6630 6625 6614 450mb Temp (C): -20.0 -17.4 -16.7 -16.3 -16.7 -17.0 -16.6 -17.1 -16.8 -15.9 -15.9 -16.1 -16.3 -18.2 -18.1 450mb Dewpt(C): -37.4 -32.8 -31.7 -34.3 -36.5 -36.2 -36.4 -34.5 -36.2 -32.9 -32.7 -31.0 -31.1 -20.9 -21.7 450mb RH (%): 20 26 27 20 17 18 17 21 18 22 23 27 27 79 74 450mb Dir: 279 283 272 251 234 209 206 206 206 207 214 195 199 203 207 450mb Speed(kt): 33 27 20 13 16 17 19 24 25 33 32 31 33 35 43 400mb GPH (m): 7402 7460 7488 7497 7486 7496 7503 7506 7498 7513 7520 7523 7501 7493 7484 400mb Temp (C): -27.2 -24.3 -23.0 -23.1 -23.7 -23.7 -23.6 -23.6 -22.7 -22.4 -22.5 -23.0 -24.2 -23.7 -23.3 400mb Dewpt(C): -41.5 -38.1 -40.6 -37.9 -42.8 -42.4 -40.7 -40.4 -40.9 -39.1 -38.9 -39.6 -25.4 -31.6 -39.2 400mb RH (%): 26 28 19 25 17 17 20 21 18 21 22 21 90 49 23 400mb Dir: 286 275 268 250 227 215 207 205 212 207 214 203 197 203 212 400mb Speed(kt): 36 31 24 18 17 19 19 25 26 36 33 30 35 41 49 350mb GPH (m): 8347 8417 8450 8459 8446 8455 8463 8467 8462 8476 8485 8486 8462 8456 8446 350mb Temp (C): -34.8 -32.2 -30.5 -30.8 -31.2 -31.6 -31.1 -30.3 -30.5 -30.3 -30.1 -30.1 -30.1 -29.7 -30.4 350mb Dewpt(C): -49.5 -41.5 -45.6 -45.8 -49.4 -46.7 -47.4 -50.8 -44.5 -44.7 -41.9 -49.2 -45.1 -43.8 -48.1 350mb RH (%): 22 40 23 23 16 22 20 13 25 25 32 15 23 25 17 350mb Dir: 292 268 265 247 220 221 210 210 218 209 214 207 201 205 212 350mb Speed(kt): 39 38 30 21 20 22 23 26 29 41 33 30 35 46 54 300mb GPH (m): 9406 9485 9526 9535 9519 9528 9538 9543 9539 9552 9563 9564 9540 9535 9523 300mb Temp (C): -41.9 -40.6 -39.3 -39.2 -39.6 -39.1 -39.0 -39.3 -38.7 -39.4 -38.4 -38.5 -38.4 -38.4 -39.1 300mb Dewpt(C): -56.9 -48.9 -50.7 -55.9 -55.9 -56.4 -54.2 -43.9 -52.7 -43.0 -52.9 -54.3 -48.9 -42.6 -51.1 300mb RH (%): 20 42 30 17 18 16 20 63 23 69 22 19 34 66 29 300mb Dir: 287 264 262 243 218 217 211 209 222 210 214 209 208 205 212 300mb Speed(kt): 48 46 38 23 21 24 28 29 32 43 36 34 42 50 54 250mb GPH (m): 10624 10702 10748 10757 10740 10752 10760 10763 10763 10774 10789 10789 10768 10760 10745 250mb Temp (C): -47.2 -49.1 -49.0 -48.9 -49.0 -48.9 -49.4 -49.6 -48.6 -48.8 -48.3 -48.5 -48.2 -48.9 -48.3 250mb Dewpt(C): -64.0 -59.6 -59.0 -61.4 -62.3 -56.0 -55.5 -55.6 -57.0 -56.1 -57.3 -58.5 -53.8 -52.6 -58.6 250mb RH (%): 15 31 32 24 22 45 51 52 39 45 37 33 54 67 31 250mb Dir: 271 264 260 237 228 216 212 208 227 212 214 212 213 208 215 250mb Speed(kt): 52 56 43 22 25 31 29 31 38 41 40 37 49 53 54 200mb GPH (m): 12090 12138 12179 12185 12167 12175 12181 12190 12194 12205 12222 12223 12204 12197 12187 200mb Temp (C): -49.0 -55.4 -57.3 -58.0 -59.4 -59.7 -59.7 -57.6 -58.8 -58.2 -57.9 -56.9 -55.9 -55.2 -54.4 200mb Dewpt(C): -70.5 -69.7 -68.4 -66.6 -65.8 -64.6 -63.1 -66.2 -64.5 -65.3 -65.2 -66.4 -66.3 -68.4 -69.6 200mb RH (%): 8 17 26 35 46 55 67 35 50 42 41 32 29 20 16 200mb Dir: 250 254 252 227 232 218 208 222 228 217 216 218 218 211 217 200mb Speed(kt): 51 53 43 26 30 31 32 35 44 45 46 48 53 56 62 150mb GPH (m): 13975 13993 14020 14020 13988 13994 14001 14012 14004 14013 14031 14038 14028 14030 14030 150mb Temp (C): -50.8 -52.0 -53.1 -52.5 -53.5 -54.3 -54.1 -54.9 -56.3 -56.9 -57.3 -57.8 -57.1 -55.8 -54.7 150mb Dewpt(C): -86.2 -82.4 -83.2 -82.8 -83.5 -84.1 -84.0 -81.9 -81.2 -81.5 -81.8 -80.6 -81.8 -85.4 -84.6 150mb RH (%): 1 2 2 2 2 2 2 3 4 4 4 5 4 2 2 150mb Dir: 241 242 236 221 219 209 216 216 216 219 223 224 224 218 220 150mb Speed(kt): 35 35 36 28 28 28 33 31 38 42 43 45 45 44 54 100mb GPH (m): 16586 16594 16612 16615 16582 16593 16603 16616 16595 16602 16621 16624 16599 16603 16614 100mb Temp (C): -55.4 -55.5 -55.5 -56.2 -55.9 -55.2 -54.4 -53.9 -54.0 -54.3 -53.5 -53.6 -55.5 -54.6 -54.0 100mb Dewpt(C): -89.4 -89.5 -89.5 -90.0 -89.8 -89.3 -88.7 -88.4 -88.4 -88.6 -88.1 -88.1 -89.5 -84.4 -84.0 100mb RH (%): 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 100mb Dir: 229 228 230 212 214 191 205 213 211 202 217 223 219 213 217 100mb Speed(kt): 19 17 19 17 16 19 21 24 21 27 32 25 23 27 32