Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z SEP 4, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 985.9 986.0 986.0 988.2 988.4 990.5 991.5 993.3 992.4 993.3 992.0 991.6 991.0 992.8 994.1 Mean SLP (mb): 1010.0 1010.2 1010.2 1012.3 1012.3 1014.7 1015.9 1017.5 1016.2 1017.4 1016.3 1015.6 1014.9 1017.0 1018.5 2m agl Tmp (F): 59.4 55.9 54.0 56.3 65.4 57.3 54.4 58.7 68.2 59.5 55.7 65.3 67.6 57.7 52.9 2m agl Dewpt(F): 51.9 48.3 47.7 52.4 49.9 51.2 50.0 51.3 49.8 50.9 50.1 53.3 52.1 50.6 51.2 2m agl RH (%): 76 75 79 86 56 80 85 76 51 72 81 64 57 77 94 10m agl Dir: 179 76 75 15 189 100 112 20 304 358 53 304 295 287 232 10m agl Spd(kt): 4 3 2 3 4 2 3 1 5 2 2 3 8 3 1 6hr Precip (in): 0.00 0.04 0.02 0.05 0.03 0.03 0.01 0.01 0.00 0.00 0.00 0.00 0.01 0.00 0.00 AccumPrecip(in): 0.00 0.04 0.06 0.10 0.14 0.17 0.18 0.19 0.20 0.20 0.20 0.20 0.20 0.21 0.21 Sfc CAPE (J/kg): 405.6 39.6 1.2 73.9 178.5 23.1 0.0 31.2 104.9 5.4 1.1 295.8 405.3 1.1 4.8 Sfc CINH (J/kg): -1.4 -1.0 -2.7 -23.8 -4.2 -119.1 0.0 -44.4 -36.0 -5.2 -19.5 -8.9 0.0 -0.6 -8.5 0-3km Hel(J/kg): 47.8 49.7 18.9 56.2 18.5 18.0 28.2 -6.7 39.3 41.7 48.2 60.8 22.6 27.4 43.9 Precip H20 (in): 0.88 0.80 0.85 0.88 0.89 0.80 0.84 0.83 0.75 0.77 0.81 0.84 0.88 0.83 0.84 Lifted Index(C): -1.1 0.9 1.0 0.7 0.0 1.0 2.6 2.2 0.2 1.5 1.7 -0.9 -1.8 2.3 5.3 700mb VV(-ub/s): 0.0 -0.5 -0.8 -3.2 1.1 3.4 1.1 -2.4 -0.8 -1.2 2.5 0.7 -0.5 -0.9 -1.3 Thk1000-500mb(m)5471.3 5481.9 5477.4 5479.0 5500.1 5502.9 5494.0 5494.3 5522.2 5526.3 5513.1 5502.6 5509.6 5511.0 5523.8 Thk1000-850mb(m)1351.5 1351.9 1349.5 1350.7 1361.5 1358.5 1353.5 1354.1 1366.8 1361.1 1358.5 1362.0 1365.9 1354.5 1346.8 Thk850-700mb(m):1554.2 1557.1 1557.9 1558.5 1562.6 1566.2 1562.2 1560.2 1567.0 1568.6 1567.5 1564.7 1564.1 1564.3 1567.2 SWEAT Index: 132.5 123.5 148.6 138.6 88.1 65.5 58.1 45.2 38.9 56.1 51.3 23.4 88.0 54.4 74.2 Total Totals Idx 51.2 51.4 52.6 52.3 50.5 49.8 49.4 48.8 48.5 46.9 46.8 47.5 50.9 45.9 42.6 Frz Hgt(ft amsl) 6986 7354 7545 7536 7847 8478 8030 7960 8602 8862 8716 8083 8074 8416 9033 0WetBlbHgt(amsl) 6720 6983 7225 7438 7383 7471 7566 7645 7481 7513 7081 7239 7195 7498 7355 Equil Prs (mb): 346 986 986 347 337 349 992 387 340 993 992 353 373 993 994 Equil Hgt(amsl): 26694 26 26 26730 27478 26775 26 24545 27505 26 26 26659 25368 26 26 Hail Size(in): 0.15 0.00 0.00 0.03 0.05 0.00 0.00 0.00 0.00 -0.01 0.00 0.32 0.29 -0.07 0.00 Conv Wind Gust: 35.2 29.8 25.0 30.0 39.9 33.1 27.4 30.7 41.5 32.6 36.5 42.0 42.1 28.1 21.6 Showalter Index: 1.8 1.5 0.6 0.7 1.7 2.0 2.3 2.7 2.7 3.3 3.5 3.4 1.4 4.2 5.8 Cap Strength(C): 0.0 -999.9 -999.9 0.0 -2.0 0.0 -999.9 -0.4 0.0 -999.9 -999.9 0.0 0.0 -999.9 -999.9 Storm Dir (deg): 224 211 205 172 202 187 121 163 290 267 265 252 291 13 13 Storm Spd (kts): 11 7 6 7 5 4 4 2 5 5 6 6 5 5 7 2m HeatIndex(F): 59 56 54 56 65 57 54 59 68 60 56 65 68 58 53 2m WindChill(F): 59 56 54 56 65 57 54 59 68 60 56 65 68 58 53 1000mb GPH (m): 84 85 85 103 104 123 132 147 138 147 136 132 126 143 154 950mb GPH (m): 517 517 516 534 541 556 563 578 577 581 569 567 564 575 583 950mb Temp (C): 12.1 12.5 11.8 11.3 14.3 13.6 12.3 12.0 15.4 13.8 13.6 13.5 15.1 12.1 10.7 950mb Dewpt(C): 9.7 7.0 6.9 8.6 8.3 7.6 7.2 6.7 8.2 9.7 9.2 10.2 9.7 9.6 9.2 950mb RH (%): 85 69 72 83 66 66 71 69 61 75 74 80 69 85 90 950mb Dir: 187 100 94 23 201 98 161 282 307 357 358 315 298 315 282 950mb Speed(kt): 6 6 1 6 4 2 6 1 6 6 4 3 10 8 5 900mb GPH (m): 967 968 965 984 994 1009 1014 1029 1032 1035 1022 1020 1019 1026 1032 900mb Temp (C): 8.0 8.4 7.9 8.7 9.8 10.4 9.5 9.5 11.1 10.7 10.3 10.7 10.8 9.6 7.5 900mb Dewpt(C): 7.7 5.9 6.8 6.0 7.2 4.0 4.5 4.7 7.0 5.4 6.3 4.9 8.6 5.4 7.0 900mb RH (%): 98 84 93 83 83 64 70 72 75 70 76 67 86 74 96 900mb Dir: 193 189 185 79 206 130 151 296 312 40 343 359 299 305 290 900mb Speed(kt): 12 10 5 8 4 2 0 4 6 1 2 2 9 2 4 850mb GPH (m): 1435 1437 1435 1454 1466 1482 1486 1501 1505 1508 1495 1494 1492 1497 1501 850mb Temp (C): 4.4 5.1 4.9 5.4 6.2 6.7 6.0 5.9 7.2 7.2 7.0 7.9 7.1 6.0 5.3 850mb Dewpt(C): 3.1 3.3 4.6 4.2 3.3 2.7 3.1 2.7 2.2 2.9 2.6 -0.2 2.8 2.6 3.5 850mb RH (%): 91 88 98 92 81 75 81 80 70 73 73 56 74 79 88 850mb Dir: 198 195 188 127 173 179 267 310 295 209 309 198 279 259 284 850mb Speed(kt): 20 14 9 8 5 4 3 5 3 2 2 2 5 6 5 800mb GPH (m): 1926 1929 1927 1947 1960 1976 1980 1994 2001 2004 1990 1991 1988 1991 1994 800mb Temp (C): 1.1 1.9 1.9 2.3 3.0 3.7 3.0 2.3 3.7 3.9 3.9 4.2 3.7 3.0 3.2 800mb Dewpt(C): 0.1 0.5 1.6 1.9 0.5 -0.1 0.6 0.3 -0.5 -0.2 -2.1 -2.1 -1.9 0.6 -1.0 800mb RH (%): 93 90 98 97 83 76 84 86 74 74 64 63 66 84 74 800mb Dir: 193 191 179 146 160 164 215 11 231 210 222 202 230 289 326 800mb Speed(kt): 21 14 12 11 8 5 2 3 5 4 3 5 7 5 6 750mb GPH (m): 2443 2447 2445 2466 2480 2497 2499 2513 2522 2525 2511 2511 2508 2511 2516 750mb Temp (C): -1.7 -1.3 -0.7 -1.1 -0.6 0.5 -0.3 -0.5 0.6 0.9 0.7 -0.4 -0.4 0.3 1.1 750mb Dewpt(C): -2.2 -2.6 -2.3 -1.5 -2.1 -3.1 -1.8 -0.9 -3.7 -4.6 -5.9 -3.1 -2.9 -3.3 -3.9 750mb RH (%): 96 90 89 97 89 76 90 97 73 67 61 82 83 77 69 750mb Dir: 188 186 170 151 171 169 95 102 219 191 216 203 224 313 355 750mb Speed(kt): 20 12 15 13 10 7 4 2 9 4 5 12 9 4 7 700mb GPH (m): 2990 2994 2993 3013 3028 3048 3048 3061 3072 3077 3062 3058 3056 3061 3068 700mb Temp (C): -4.4 -3.9 -4.2 -4.2 -3.6 -2.9 -3.8 -4.4 -2.8 -1.8 -1.8 -4.5 -3.8 -2.8 -1.4 700mb Dewpt(C): -4.9 -6.0 -5.0 -5.6 -5.0 -6.4 -4.9 -4.8 -6.0 -9.5 -9.1 -6.0 -5.4 -6.2 -6.0 700mb RH (%): 96 86 94 90 90 77 92 97 78 56 57 89 89 77 71 700mb Dir: 190 186 170 149 187 170 80 153 216 200 223 204 244 341 1 700mb Speed(kt): 18 10 12 13 9 9 7 5 10 3 8 13 5 5 8 650mb GPH (m): 3570 3576 3573 3594 3610 3631 3630 3643 3656 3663 3647 3639 3638 3646 3656 650mb Temp (C): -7.6 -7.1 -7.9 -7.5 -7.2 -6.7 -7.1 -6.6 -5.7 -4.8 -5.6 -8.0 -7.0 -5.2 -4.1 650mb Dewpt(C): -8.5 -10.7 -9.0 -10.3 -7.9 -9.6 -8.4 -9.9 -14.7 -17.6 -14.8 -8.8 -8.8 -11.4 -10.0 650mb RH (%): 93 76 92 80 94 80 91 77 49 36 48 94 87 62 64 650mb Dir: 200 187 163 148 185 168 77 145 228 230 216 199 281 1 359 650mb Speed(kt): 19 10 10 12 7 9 10 7 8 7 13 13 7 5 12 600mb GPH (m): 4188 4195 4191 4212 4229 4251 4249 4263 4279 4287 4268 4257 4259 4269 4283 600mb Temp (C): -11.9 -11.1 -11.2 -11.7 -11.3 -10.8 -10.6 -10.3 -9.2 -8.7 -11.0 -10.5 -10.5 -9.1 -7.2 600mb Dewpt(C): -13.4 -15.8 -14.0 -14.1 -11.9 -15.7 -14.7 -14.4 -23.3 -24.7 -16.9 -11.6 -13.8 -18.8 -15.6 600mb RH (%): 88 68 80 82 96 67 72 72 31 27 62 91 77 46 51 600mb Dir: 205 187 177 154 167 161 82 158 261 229 219 254 257 12 0 600mb Speed(kt): 16 10 6 11 7 7 10 3 5 14 16 7 5 8 15 550mb GPH (m): 4847 4857 4853 4873 4892 4914 4913 4928 4946 4955 4932 4921 4923 4937 4956 550mb Temp (C): -16.9 -15.9 -16.0 -16.2 -15.4 -15.3 -14.8 -14.7 -13.6 -13.1 -14.0 -14.8 -14.8 -13.3 -11.6 550mb Dewpt(C): -19.7 -21.1 -20.8 -19.4 -16.9 -23.2 -21.7 -20.7 -36.1 -30.6 -15.3 -17.4 -19.3 -24.4 -22.7 550mb RH (%): 79 65 67 76 89 52 56 61 14 22 90 81 69 39 40 550mb Dir: 201 181 188 160 157 148 82 314 278 236 240 272 222 11 352 550mb Speed(kt): 13 9 5 8 8 7 9 0 5 16 17 9 5 10 19 500mb GPH (m): 5555 5567 5563 5582 5604 5626 5626 5641 5661 5673 5649 5634 5636 5654 5678 500mb Temp (C): -21.8 -21.5 -21.5 -21.4 -20.4 -20.2 -20.1 -20.1 -19.5 -18.4 -18.5 -19.9 -20.6 -18.7 -16.9 500mb Dewpt(C): -25.6 -27.4 -27.7 -25.2 -23.1 -28.8 -26.8 -28.7 -37.1 -22.9 -20.3 -23.7 -25.2 -28.1 -30.5 500mb RH (%): 72 60 58 72 80 47 56 47 20 68 86 72 67 44 31 500mb Dir: 185 175 201 183 150 140 74 27 279 243 250 221 215 23 346 500mb Speed(kt): 10 8 5 6 9 9 7 2 7 18 16 20 6 12 22 450mb GPH (m): 6322 6333 6329 6350 6374 6396 6397 6411 6432 6451 6424 6406 6406 6429 6459 450mb Temp (C): -28.0 -28.0 -28.0 -27.6 -26.8 -26.6 -26.6 -26.7 -26.3 -24.4 -25.0 -25.7 -26.4 -24.9 -22.9 450mb Dewpt(C): -33.5 -34.1 -34.5 -31.3 -31.2 -34.8 -31.2 -38.6 -36.8 -34.1 -27.3 -30.3 -32.9 -31.2 -40.2 450mb RH (%): 60 57 55 72 67 47 66 33 38 41 82 66 55 57 20 450mb Dir: 188 164 248 209 149 141 68 6 288 252 239 204 208 27 344 450mb Speed(kt): 11 7 5 7 12 12 5 5 7 12 16 27 11 17 25 400mb GPH (m): 7154 7165 7162 7183 7211 7232 7234 7247 7270 7295 7267 7248 7247 7272 7312 400mb Temp (C): -35.5 -35.3 -35.0 -35.0 -34.1 -34.5 -34.0 -34.4 -33.5 -31.9 -32.2 -32.5 -31.9 -31.5 -27.2 400mb Dewpt(C): -41.4 -40.2 -39.5 -38.3 -40.7 -42.0 -37.3 -40.4 -40.9 -38.2 -35.6 -39.9 -43.6 -39.7 -52.8 400mb RH (%): 56 62 64 73 53 48 73 55 48 54 72 49 32 45 8 400mb Dir: 178 169 258 233 146 124 124 334 335 267 222 196 182 20 346 400mb Speed(kt): 12 6 12 10 15 15 4 6 10 15 21 26 16 19 43 350mb GPH (m): 8067 8079 8075 8096 8127 8148 8151 8164 8191 8222 8195 8176 8179 8208 8267 350mb Temp (C): -42.1 -42.6 -43.4 -43.1 -42.8 -43.2 -42.3 -42.1 -40.9 -40.0 -38.4 -38.3 -36.3 -34.9 -30.5 350mb Dewpt(C): -49.3 -46.3 -47.7 -47.5 -47.0 -47.7 -47.4 -48.5 -49.4 -43.6 -47.7 -52.9 -59.4 -58.6 -53.1 350mb RH (%): 47 69 63 63 65 62 59 51 41 69 39 22 8 8 10 350mb Dir: 200 199 257 249 150 100 130 12 352 271 229 208 290 2 349 350mb Speed(kt): 22 7 16 5 17 16 3 8 13 14 22 22 6 33 72 300mb GPH (m): 9111 9117 9111 9136 9165 9181 9183 9202 9233 9261 9241 9228 9242 9278 9345 300mb Temp (C): -41.5 -42.2 -42.3 -41.2 -41.7 -43.2 -43.9 -42.4 -42.3 -44.4 -42.9 -40.9 -38.8 -37.3 -38.9 300mb Dewpt(C): -64.5 -62.8 -63.9 -64.8 -63.5 -61.6 -59.6 -63.0 -63.7 -56.3 -60.4 -65.9 -66.9 -67.2 -54.2 300mb RH (%): 8 10 9 7 9 13 18 10 9 27 14 6 4 4 20 300mb Dir: 203 204 264 112 178 87 15 4 347 294 248 245 341 352 344 300mb Speed(kt): 38 15 4 2 9 10 5 8 13 15 18 13 22 48 71 250mb GPH (m): 10347 10350 10348 10376 10402 10412 10412 10434 10462 10476 10461 10460 10485 10525 10571 250mb Temp (C): -40.6 -41.8 -40.9 -41.2 -41.5 -42.2 -42.5 -42.5 -43.2 -44.9 -45.2 -42.9 -41.4 -41.5 -46.7 250mb Dewpt(C): -67.3 -70.6 -71.3 -70.2 -71.8 -68.4 -67.2 -68.7 -70.8 -68.5 -68.5 -69.2 -69.4 -65.7 -65.6 250mb RH (%): 5 4 3 4 3 5 6 5 4 6 7 5 4 7 11 250mb Dir: 215 228 218 241 195 79 307 319 295 273 294 315 341 340 338 250mb Speed(kt): 33 10 5 10 11 5 2 6 11 16 16 15 35 55 59 200mb GPH (m): 11865 11861 11861 11882 11909 11921 11916 11936 11960 11970 11954 11962 11989 12026 12040 200mb Temp (C): -41.8 -41.7 -41.8 -43.7 -43.3 -42.3 -43.3 -44.3 -44.6 -44.6 -44.7 -44.1 -43.3 -45.5 -47.3 200mb Dewpt(C): -79.8 -79.8 -79.8 -81.1 -80.9 -80.2 -80.9 -80.8 -81.7 -81.9 -74.0 -74.2 -78.7 -77.6 -70.7 200mb RH (%): 1 1 1 1 1 1 1 1 1 1 3 3 1 2 6 200mb Dir: 230 233 236 225 204 209 194 269 264 290 301 324 329 325 310 200mb Speed(kt): 22 16 14 18 10 11 5 7 12 13 16 18 31 40 31 150mb GPH (m): 13795 13795 13792 13809 13832 13853 13838 13853 13873 13881 13866 13875 13897 13919 13920 150mb Temp (C): -46.0 -45.0 -46.0 -45.9 -46.2 -45.8 -46.2 -46.5 -46.9 -47.3 -47.7 -48.2 -49.3 -50.9 -52.6 150mb Dewpt(C): -82.6 -70.6 -71.3 -71.2 -71.5 -83.4 -83.6 -84.0 -100.7 -83.3 -83.9 -84.3 -85.1 -85.4 -83.0 150mb RH (%): 1 5 5 5 5 1 1 1 0 1 1 1 1 1 2 150mb Dir: 234 232 233 232 210 204 206 204 237 265 286 310 310 303 284 150mb Speed(kt): 25 16 14 14 21 18 12 11 10 9 13 14 21 30 27 100mb GPH (m): 16462 16477 16461 16476 16491 16515 16499 16511 16527 16529 16513 16514 16526 16531 16518 100mb Temp (C): -50.5 -49.2 -50.2 -50.2 -50.9 -50.5 -51.0 -51.5 -51.7 -51.5 -52.4 -52.7 -53.1 -54.5 -54.6 100mb Dewpt(C): -74.9 -73.9 -74.6 -117.7 -106.9 -86.0 -99.0 -99.7 -86.8 -86.7 -87.3 -83.0 -87.7 -88.7 -88.8 100mb RH (%): 5 0 5 0 0 1 0 0 1 1 1 2 1 1 1 100mb Dir: 250 222 234 174 213 203 193 173 202 215 247 234 246 264 263 100mb Speed(kt): 16 14 12 10 14 22 11 16 14 14 11 9 13 14 16