Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z AUG 30, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 994.6 996.1 995.4 995.9 992.5 990.7 988.0 986.9 985.1 986.7 988.4 990.0 989.8 989.4 989.2 Mean SLP (mb): 1018.5 1020.4 1019.9 1020.1 1016.3 1014.7 1012.2 1010.6 1008.3 1010.6 1012.5 1014.2 1013.8 1013.6 1013.6 2m agl Tmp (F): 67.9 56.9 53.7 59.9 69.3 60.5 54.9 72.6 80.0 63.3 55.4 56.6 59.4 58.9 54.5 2m agl Dewpt(F): 51.3 48.4 49.8 51.2 51.6 51.3 49.6 52.2 53.4 55.6 53.1 54.5 55.4 52.5 51.2 2m agl RH (%): 54 73 86 72 52 71 82 47 38 75 92 92 86 79 88 10m agl Dir: 301 331 245 309 330 353 41 53 287 313 240 251 194 199 184 10m agl Spd(kt): 6 3 1 2 7 2 3 3 5 4 1 2 1 6 6 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 0.01 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 0.00 0.01 0.01 0.02 0.02 Sfc CAPE (J/kg): 105.8 0.0 9.4 19.8 0.0 0.0 0.0 0.0 0.0 0.0 1.6 10.2 14.0 22.2 43.1 Sfc CINH (J/kg): -0.1 -0.1 -3.8 0.0 0.0 0.0 -0.4 0.0 0.0 0.0 0.0 0.0 -0.6 -1.0 -0.1 0-3km Hel(J/kg): 81.1 62.8 56.7 35.5 -4.3 35.7 67.8 96.3 115.9 132.9 55.4 45.6 25.3 15.1 17.0 Precip H20 (in): 0.80 0.51 0.60 0.76 0.91 0.90 0.65 0.65 0.85 0.88 1.07 1.04 0.94 0.73 0.76 Lifted Index(C): 3.2 8.7 11.1 10.6 7.1 7.0 7.9 6.1 2.8 1.9 2.0 4.3 5.4 5.6 6.0 700mb VV(-ub/s): 1.1 -3.0 -1.1 -0.5 -1.6 -0.8 0.4 1.2 0.5 0.9 0.4 0.2 -1.1 -1.9 0.5 Thk1000-500mb(m)5535.5 5548.0 5576.0 5601.0 5641.9 5655.4 5663.1 5674.0 5686.7 5662.0 5624.5 5605.8 5583.9 5562.8 5520.1 Thk1000-850mb(m)1362.8 1349.2 1343.4 1346.0 1371.0 1376.1 1379.9 1388.9 1401.0 1384.1 1364.7 1354.9 1356.9 1353.1 1343.1 Thk850-700mb(m):1562.2 1573.7 1583.1 1593.2 1607.3 1615.4 1615.9 1617.8 1618.6 1616.1 1607.7 1600.8 1588.6 1581.9 1565.2 SWEAT Index: 122.0 71.1 51.4 33.1 26.9 26.3 31.5 31.4 35.7 45.4 165.0 135.7 126.7 108.6 105.3 Total Totals Idx 44.1 30.7 25.2 27.8 26.1 25.5 28.8 32.6 37.0 38.4 45.4 42.5 40.1 39.7 40.9 Frz Hgt(ft amsl) 8096 10721 12012 13037 13059 13024 13314 13341 13263 13037 12320 12116 11563 11032 9673 0WetBlbHgt(amsl) 7486 5598 6124 6208 11157 10872 7797 8704 10018 8937 10958 10593 9334 6555 6742 Equil Prs (mb): 684 996 995 996 992 991 988 987 985 987 988 990 840 840 793 Equil Hgt(amsl): 10723 26 26 26 26 26 26 26 26 26 26 26 5154 5117 6607 Hail Size(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.27 0.05 0.00 0.00 0.00 0.00 Conv Wind Gust: 40.4 42.9 26.2 25.1 45.9 42.8 52.4 54.8 56.4 48.6 43.6 16.3 21.8 30.6 24.4 Showalter Index: 4.5 12.7 15.5 13.8 13.4 12.8 11.3 9.5 7.2 6.6 1.3 3.9 6.0 6.9 7.0 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 6.3 2.2 3.1 2.8 Storm Dir (deg): 333 355 356 0 337 302 225 218 247 246 247 238 243 234 229 Storm Spd (kts): 14 15 11 8 7 5 7 9 11 14 14 13 15 18 17 2m HeatIndex(F): 68 57 54 60 69 60 55 73 80 63 55 57 59 59 54 2m WindChill(F): 68 57 54 60 69 60 55 73 80 63 55 57 59 59 54 1000mb GPH (m): 157 171 165 169 139 124 102 91 73 90 105 119 117 114 113 950mb GPH (m): 595 602 594 599 578 560 537 532 521 527 535 549 550 547 541 950mb Temp (C): 14.6 11.2 9.6 10.0 15.8 15.6 16.3 17.9 22.6 17.5 11.8 10.4 12.0 11.9 9.4 950mb Dewpt(C): 8.7 8.1 9.3 9.2 9.6 9.8 8.7 9.2 10.5 12.7 11.0 10.2 11.4 10.1 9.1 950mb RH (%): 67 80 98 94 66 68 60 56 45 73 95 99 96 88 98 950mb Dir: 302 329 331 315 336 16 75 65 287 338 275 228 204 208 193 950mb Speed(kt): 9 11 6 3 9 10 7 5 5 11 3 3 2 13 13 900mb GPH (m): 1048 1051 1041 1046 1033 1018 997 994 987 989 990 999 1001 997 988 900mb Temp (C): 10.2 8.2 7.0 7.1 11.1 14.7 16.7 17.7 17.9 16.3 13.1 10.1 9.8 8.6 7.2 900mb Dewpt(C): 7.6 0.8 3.8 4.5 8.6 5.8 2.1 0.5 9.1 8.6 11.5 9.9 9.5 8.3 6.6 900mb RH (%): 84 59 80 83 84 54 37 30 55 59 90 99 98 98 96 900mb Dir: 300 328 342 350 344 63 89 104 293 232 257 227 244 212 204 900mb Speed(kt): 10 11 13 10 9 4 8 10 5 5 5 7 8 15 18 850mb GPH (m): 1520 1520 1508 1515 1510 1501 1482 1480 1474 1474 1470 1474 1474 1467 1456 850mb Temp (C): 5.7 5.7 6.0 7.0 11.8 14.5 15.6 16.2 16.0 14.8 10.9 9.2 6.9 5.6 3.8 850mb Dewpt(C): 5.0 -2.8 -4.5 -2.6 -8.7 -10.7 -8.9 -5.7 -0.7 -0.1 9.9 7.4 5.9 4.5 3.7 850mb RH (%): 96 54 47 50 23 16 17 21 31 35 93 89 93 92 99 850mb Dir: 296 287 327 355 51 78 129 139 182 224 232 225 243 231 213 850mb Speed(kt): 10 12 11 7 2 4 6 5 7 11 11 11 13 11 14 800mb GPH (m): 2013 2014 2006 2015 2015 2010 1992 1992 1985 1985 1975 1977 1973 1962 1946 800mb Temp (C): 2.5 4.9 6.6 8.2 10.5 12.7 13.2 13.1 13.6 12.7 10.7 10.1 7.0 6.7 1.6 800mb Dewpt(C): 0.1 -21.0 -12.0 -18.6 -7.8 -2.4 -22.8 -1.4 -10.0 -0.9 -6.6 -9.3 0.7 -9.4 -0.6 800mb RH (%): 84 13 25 13 27 34 6 36 18 38 29 24 64 30 85 800mb Dir: 281 292 318 331 30 99 164 181 207 223 224 222 230 224 224 800mb Speed(kt): 13 12 13 9 4 3 7 9 14 18 17 23 24 24 19 750mb GPH (m): 2532 2538 2532 2544 2550 2548 2530 2530 2524 2522 2511 2511 2502 2490 2467 750mb Temp (C): -0.4 2.7 4.0 6.7 8.8 9.3 9.8 9.6 9.5 9.3 9.0 7.1 4.0 5.2 1.8 750mb Dewpt(C): -2.1 -14.5 -17.5 -13.6 -4.7 1.3 -21.9 -13.0 0.1 -8.7 -3.7 1.7 2.8 -15.3 -6.5 750mb RH (%): 88 27 19 22 38 57 9 19 52 27 40 68 91 21 54 750mb Dir: 276 328 315 332 23 94 176 194 214 220 225 216 217 214 217 750mb Speed(kt): 13 16 13 10 7 2 8 16 22 25 28 24 26 32 29 700mb GPH (m): 3082 3094 3091 3108 3117 3116 3098 3098 3092 3090 3078 3075 3062 3049 3021 700mb Temp (C): -1.3 0.9 3.0 4.8 5.2 5.6 6.2 5.8 5.6 6.2 4.7 3.6 2.9 1.8 -0.3 700mb Dewpt(C): -12.4 -21.7 -25.2 -15.8 -1.5 -3.4 -15.0 -15.9 -7.1 -20.4 -0.7 -1.5 -9.1 -19.9 -15.4 700mb RH (%): 43 17 11 21 61 52 20 19 39 13 68 69 41 18 31 700mb Dir: 304 326 320 330 352 115 194 196 206 216 216 204 211 206 207 700mb Speed(kt): 21 19 13 11 7 1 10 15 23 31 27 24 26 30 27 650mb GPH (m): 3671 3685 3687 3708 3719 3717 3701 3699 3694 3692 3677 3673 3658 3642 3610 650mb Temp (C): -2.9 -2.2 -0.1 1.4 1.8 1.6 2.4 2.3 2.5 2.1 0.5 0.1 -0.9 -1.6 -3.4 650mb Dewpt(C): -23.9 -22.4 -21.1 -8.8 -6.5 -6.5 -7.6 -25.5 -16.3 -14.7 -6.1 -6.4 -10.1 -22.4 -16.0 650mb RH (%): 18 20 19 46 54 54 48 11 24 28 61 61 50 19 37 650mb Dir: 312 327 327 336 304 226 209 196 210 210 207 197 206 201 198 650mb Speed(kt): 27 21 17 13 8 5 11 14 21 29 27 25 27 31 26 600mb GPH (m): 4299 4315 4323 4348 4359 4357 4342 4340 4335 4331 4314 4309 4292 4274 4238 600mb Temp (C): -7.1 -6.2 -3.4 -2.0 -2.6 -2.5 -1.9 -1.7 -2.1 -2.6 -3.8 -3.4 -4.6 -5.4 -7.1 600mb Dewpt(C): -23.2 -23.5 -27.8 -9.1 -8.8 -11.0 -11.4 -14.5 -9.7 -12.2 -9.4 -12.8 -23.7 -19.4 -17.3 600mb RH (%): 27 24 13 59 62 52 48 37 56 48 65 48 21 32 44 600mb Dir: 312 331 331 335 287 245 219 200 213 208 202 199 200 196 192 600mb Speed(kt): 29 26 22 15 12 9 12 13 20 27 28 24 27 31 28 550mb GPH (m): 4971 4990 5006 5033 5044 5042 5028 5027 5021 5016 4995 4992 4971 4950 4911 550mb Temp (C): -11.7 -9.9 -6.8 -6.7 -6.6 -6.8 -6.6 -6.1 -6.1 -6.9 -7.8 -7.9 -8.9 -10.1 -11.7 550mb Dewpt(C): -23.0 -30.8 -29.5 -16.8 -15.1 -13.3 -12.4 -19.3 -18.3 -14.6 -13.8 -16.0 -29.0 -21.2 -20.7 550mb RH (%): 39 17 15 45 51 60 63 34 38 55 62 52 18 40 48 550mb Dir: 306 330 329 324 264 260 228 207 217 203 209 203 202 190 185 550mb Speed(kt): 33 36 25 16 18 13 14 17 19 25 27 23 28 31 30 500mb GPH (m): 5693 5719 5741 5770 5781 5780 5765 5765 5759 5752 5730 5725 5701 5677 5633 500mb Temp (C): -16.7 -13.9 -11.9 -11.7 -11.5 -10.8 -11.0 -11.0 -10.8 -11.9 -12.3 -12.9 -13.6 -14.8 -16.7 500mb Dewpt(C): -27.0 -36.2 -27.6 -16.9 -17.1 -17.1 -16.8 -20.0 -18.4 -17.7 -18.5 -19.2 -27.1 -33.5 -28.8 500mb RH (%): 41 14 26 66 63 60 63 48 54 62 60 60 32 19 35 500mb Dir: 306 329 327 313 265 257 236 211 225 199 217 201 204 189 180 500mb Speed(kt): 41 46 29 19 22 18 19 21 21 23 25 24 29 33 33 450mb GPH (m): 6475 6511 6538 6569 6581 6581 6566 6566 6560 6550 6525 6517 6492 6466 6414 450mb Temp (C): -22.9 -18.5 -17.6 -16.9 -16.5 -16.0 -16.3 -16.0 -16.5 -17.4 -18.3 -19.6 -19.4 -20.1 -22.6 450mb Dewpt(C): -35.7 -35.6 -21.8 -22.1 -21.2 -23.2 -23.1 -21.4 -23.4 -22.6 -27.2 -23.7 -36.6 -26.3 -30.2 450mb RH (%): 31 21 71 64 68 54 57 64 56 64 47 71 21 58 51 450mb Dir: 312 332 326 309 272 258 239 215 225 200 218 196 204 195 178 450mb Speed(kt): 47 55 32 24 25 20 23 23 24 24 24 25 31 38 29 400mb GPH (m): 7326 7380 7409 7442 7457 7460 7443 7442 7434 7420 7394 7380 7356 7330 7267 400mb Temp (C): -28.9 -23.7 -23.3 -22.9 -21.8 -20.9 -21.4 -22.1 -22.6 -24.1 -23.9 -26.2 -25.4 -25.1 -28.8 400mb Dewpt(C): -45.2 -42.1 -29.8 -26.6 -30.4 -32.1 -37.7 -28.9 -34.7 -27.5 -40.8 -32.6 -33.3 -28.6 -41.2 400mb RH (%): 21 18 56 72 47 37 22 55 33 74 21 56 49 73 31 400mb Dir: 326 334 322 301 280 262 241 215 220 204 213 191 207 196 179 400mb Speed(kt): 55 60 35 26 27 22 20 25 26 26 24 26 37 33 29 350mb GPH (m): 8271 8339 8372 8406 8426 8431 8413 8410 8398 8379 8352 8330 8312 8283 8206 350mb Temp (C): -33.0 -30.8 -29.8 -29.6 -28.7 -28.1 -28.4 -29.0 -30.0 -31.1 -31.8 -32.8 -31.2 -33.5 -36.7 350mb Dewpt(C): -53.0 -49.0 -37.4 -33.9 -33.3 -35.9 -41.3 -37.2 -39.1 -42.6 -39.4 -36.0 -34.5 -37.1 -45.3 350mb RH (%): 13 16 49 67 65 48 29 47 42 33 48 73 74 71 42 350mb Dir: 337 334 326 293 280 267 243 207 216 207 210 179 214 195 177 350mb Speed(kt): 74 61 41 30 30 27 22 25 30 30 28 24 48 37 24 300mb GPH (m): 9340 9415 9453 9488 9510 9518 9499 9492 9476 9451 9423 9396 9382 9346 9257 300mb Temp (C): -39.9 -39.3 -37.7 -38.1 -37.7 -36.8 -37.1 -38.1 -38.6 -40.1 -40.5 -41.7 -41.4 -41.9 -43.9 300mb Dewpt(C): -58.8 -49.4 -46.1 -42.9 -43.4 -45.3 -46.7 -42.6 -45.2 -46.4 -44.2 -45.0 -44.6 -49.1 -54.3 300mb RH (%): 13 35 43 62 56 42 37 64 51 52 69 71 72 47 33 300mb Dir: 338 337 329 301 287 266 239 206 208 207 205 176 208 194 176 300mb Speed(kt): 82 69 46 39 35 29 29 28 36 35 34 29 51 45 18 250mb GPH (m): 10562 10636 10681 10716 10740 10751 10731 10720 10701 10668 10636 10604 10589 10555 10461 250mb Temp (C): -47.4 -48.9 -48.3 -47.6 -47.4 -47.5 -47.7 -47.8 -48.9 -50.1 -50.3 -51.2 -51.4 -50.8 -49.6 250mb Dewpt(C): -65.2 -56.9 -54.8 -52.6 -54.6 -55.1 -51.7 -56.7 -54.3 -53.9 -54.6 -56.0 -55.9 -56.4 -63.3 250mb RH (%): 13 41 49 58 45 44 64 37 55 66 62 58 61 53 21 250mb Dir: 333 339 323 305 296 275 235 206 201 208 205 174 214 193 183 250mb Speed(kt): 72 76 54 47 44 31 30 32 44 41 39 35 55 47 16 200mb GPH (m): 12029 12072 12114 12152 12177 12188 12165 12155 12131 12098 12066 12032 12018 11988 11917 200mb Temp (C): -47.7 -54.5 -57.7 -57.6 -57.4 -57.7 -58.3 -58.4 -58.4 -56.2 -57.0 -55.8 -55.1 -54.0 -49.5 200mb Dewpt(C): -77.6 -67.7 -63.8 -65.0 -64.4 -64.5 -67.5 -65.7 -65.0 -69.2 -65.0 -66.1 -71.9 -70.9 -74.5 200mb RH (%): 3 20 48 41 43 44 32 41 45 20 38 29 13 13 5 200mb Dir: 311 331 323 308 293 275 244 208 198 210 204 182 217 201 209 200mb Speed(kt): 44 58 59 55 55 42 37 43 54 41 32 27 43 36 21 150mb GPH (m): 13915 13928 13935 13960 13980 13980 13955 13950 13940 13925 13891 13875 13862 13844 13798 150mb Temp (C): -50.5 -52.3 -55.3 -58.5 -59.3 -60.9 -60.6 -59.1 -56.6 -55.4 -55.0 -52.7 -52.6 -51.7 -49.7 150mb Dewpt(C): -85.9 -86.6 -81.9 -76.1 -75.6 -74.5 -75.9 -79.0 -83.5 -80.3 -80.1 -83.0 -87.6 -86.8 -85.3 150mb RH (%): 1 1 3 10 12 17 14 7 3 4 4 2 1 1 1 150mb Dir: 292 313 307 291 275 266 243 216 223 217 216 204 221 220 221 150mb Speed(kt): 28 30 30 35 38 38 32 35 31 35 30 30 32 31 26 100mb GPH (m): 16543 16544 16520 16525 16540 16530 16503 16511 16515 16507 16481 16485 16483 16475 16443 100mb Temp (C): -52.4 -53.0 -53.8 -55.4 -56.5 -56.5 -56.4 -56.3 -55.4 -55.4 -55.1 -53.8 -52.8 -51.9 -51.1 100mb Dewpt(C): -87.3 -87.7 -88.3 -85.0 -90.2 -90.2 -85.7 -85.7 -89.4 -89.4 -89.2 -88.3 -87.6 -86.9 -75.4 100mb RH (%): 1 1 1 2 1 1 2 2 1 1 1 1 1 1 5 100mb Dir: 241 264 271 280 259 249 249 234 231 223 226 225 222 227 230 100mb Speed(kt): 21 18 18 16 22 18 20 20 25 24 28 24 27 30 26