Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z SEP 3, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 983.3 984.9 984.0 985.9 985.5 985.6 985.9 988.2 988.8 991.6 993.0 994.4 992.4 992.5 991.4 Mean SLP (mb): 1007.3 1009.0 1008.2 1010.2 1009.6 1009.7 1010.2 1012.4 1012.7 1015.8 1017.3 1018.6 1016.3 1016.6 1015.7 2m agl Tmp (F): 57.8 55.6 53.8 51.4 56.7 54.4 53.6 57.6 63.7 59.6 56.3 60.7 67.9 60.6 56.7 2m agl Dewpt(F): 56.2 53.7 50.2 50.0 49.5 48.9 48.1 48.3 49.0 49.5 51.3 50.9 48.5 50.2 50.0 2m agl RH (%): 94 93 87 95 76 81 81 71 58 68 83 69 49 68 78 10m agl Dir: 195 195 174 182 156 67 74 221 238 180 206 217 320 325 263 10m agl Spd(kt): 5 6 10 7 2 1 2 4 4 3 3 3 5 3 0 6hr Precip (in): 0.00 0.18 0.11 0.14 0.04 0.01 0.01 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.18 0.29 0.43 0.48 0.49 0.50 0.50 0.51 0.51 0.51 0.51 0.51 0.51 0.51 Sfc CAPE (J/kg): 238.1 281.6 21.6 30.8 90.1 44.7 4.4 10.4 58.1 40.2 45.7 29.0 9.9 0.0 0.1 Sfc CINH (J/kg): 0.0 0.0 -2.8 -13.0 0.0 -33.2 -16.7 -1.8 -1.1 -4.0 -2.0 0.0 0.0 -0.5 0.0 0-3km Hel(J/kg): 93.9 72.4 171.0 144.0 34.1 -57.4 39.8 7.0 5.8 13.6 11.1 -4.0 -6.4 49.3 46.0 Precip H20 (in): 1.02 0.81 0.85 0.86 0.79 0.78 0.81 0.77 0.77 0.81 0.79 0.77 0.71 0.80 0.81 Lifted Index(C): 0.3 -0.6 0.1 0.0 0.6 0.5 1.3 2.2 0.6 1.2 3.3 5.0 3.1 1.4 1.9 700mb VV(-ub/s): 6.1 4.6 0.9 7.9 -0.6 -1.4 -0.5 0.7 -0.3 0.0 -0.6 -1.3 -0.4 0.7 2.6 Thk1000-500mb(m)5515.9 5470.9 5465.1 5448.5 5454.1 5455.0 5457.8 5467.6 5490.9 5487.2 5485.0 5503.6 5536.8 5536.4 5517.8 Thk1000-850mb(m)1355.9 1348.5 1345.7 1340.1 1345.8 1344.9 1345.5 1344.1 1356.4 1351.9 1344.1 1347.2 1365.6 1363.5 1358.8 Thk850-700mb(m):1568.1 1557.4 1556.5 1553.5 1551.0 1552.2 1552.5 1555.5 1559.3 1559.0 1557.7 1561.3 1569.5 1572.2 1569.2 SWEAT Index: 154.6 231.5 286.1 217.5 120.2 130.5 130.4 107.7 79.6 60.2 62.1 42.3 17.9 25.4 35.5 Total Totals Idx 47.2 52.0 53.5 54.2 51.3 52.3 52.5 51.0 50.3 49.2 45.6 42.2 43.0 45.1 46.5 Frz Hgt(ft amsl) 8471 7308 7276 6799 6830 6692 6944 7414 7683 7890 7751 8245 9101 9334 8712 0WetBlbHgt(amsl) 8385 7022 7147 6653 6478 6442 6879 6811 7004 7081 6898 6964 7221 6931 7015 Equil Prs (mb): 496 426 625 547 408 432 986 639 436 659 699 713 724 993 991 Equil Hgt(amsl): 18488 21985 12617 15956 22903 21593 26 12189 21638 11539 10018 9559 9199 26 26 Hail Size(in): 0.28 0.16 0.06 -0.15 0.00 0.00 0.00 -0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.01 Conv Wind Gust: 29.8 31.1 27.2 22.1 31.6 27.2 25.8 26.8 37.0 29.3 20.7 26.8 41.3 37.5 33.2 Showalter Index: 2.8 0.9 0.2 0.2 2.0 1.5 1.2 1.7 2.0 2.6 4.6 6.4 5.6 4.6 3.8 Cap Strength(C): -1.3 -1.5 0.5 0.9 -1.0 0.0 -999.9 0.3 0.0 0.0 0.0 -999.9 0.0 -999.9 -999.9 Storm Dir (deg): 251 257 249 234 228 194 213 205 221 203 253 259 320 313 296 Storm Spd (kts): 20 15 18 16 9 6 5 4 4 3 3 3 4 6 7 2m HeatIndex(F): 58 56 54 51 57 54 54 58 64 60 56 61 68 61 57 2m WindChill(F): 58 56 54 51 57 54 54 58 64 60 56 61 68 61 57 1000mb GPH (m): 61 76 69 85 80 82 85 104 108 132 145 156 138 140 131 950mb GPH (m): 494 506 497 511 511 512 515 534 543 565 574 587 576 575 563 950mb Temp (C): 12.4 10.6 9.4 8.5 10.3 10.8 11.1 10.3 13.3 12.3 10.4 10.7 15.2 14.2 13.0 950mb Dewpt(C): 12.1 10.5 9.0 8.3 8.5 7.6 6.8 7.8 7.8 8.6 8.4 8.8 7.5 8.8 8.5 950mb RH (%): 98 99 98 99 88 80 74 85 69 78 87 88 59 69 74 950mb Dir: 202 201 181 187 169 117 92 206 236 207 201 205 325 356 341 950mb Speed(kt): 12 14 19 16 3 1 3 5 4 7 6 2 6 9 3 900mb GPH (m): 946 955 945 957 959 959 963 981 994 1015 1021 1035 1031 1030 1016 900mb Temp (C): 9.2 7.9 7.6 6.4 7.2 6.6 7.3 6.6 8.9 7.9 6.4 7.2 10.8 11.4 11.0 900mb Dewpt(C): 8.9 7.3 7.4 6.2 6.1 6.4 5.5 6.3 6.9 7.5 6.1 5.1 6.2 5.9 5.7 900mb RH (%): 98 96 99 98 93 98 89 98 87 97 98 86 73 68 70 900mb Dir: 223 220 206 202 206 196 126 184 230 209 190 174 334 9 321 900mb Speed(kt): 21 16 33 33 10 6 8 6 4 6 4 3 6 2 2 850mb GPH (m): 1417 1424 1414 1425 1426 1426 1430 1448 1464 1484 1489 1503 1504 1504 1490 850mb Temp (C): 6.3 5.0 4.8 4.1 3.8 3.9 3.7 4.4 5.5 4.7 4.5 4.8 7.4 7.8 7.7 850mb Dewpt(C): 5.5 4.4 4.6 3.8 2.6 2.5 3.3 3.7 3.1 3.6 3.2 2.3 0.5 0.2 0.5 850mb RH (%): 94 96 98 98 92 90 98 95 84 93 91 84 61 58 60 850mb Dir: 228 223 218 218 204 201 168 144 201 204 209 164 336 228 134 850mb Speed(kt): 23 17 28 24 15 14 8 8 7 5 8 3 2 3 3 800mb GPH (m): 1912 1916 1906 1915 1916 1917 1920 1939 1957 1976 1980 1995 2000 2001 1986 800mb Temp (C): 3.6 1.9 1.9 0.7 0.9 0.5 0.9 1.4 2.2 2.3 1.8 2.7 4.1 4.7 4.3 800mb Dewpt(C): 3.1 1.2 1.7 0.3 -0.2 0.0 0.7 0.1 -0.1 -0.2 -0.4 -1.1 -1.2 -3.8 -2.2 800mb RH (%): 96 95 99 97 92 96 99 91 85 83 85 76 68 54 63 800mb Dir: 229 232 220 215 199 189 167 145 191 186 205 191 192 222 187 800mb Speed(kt): 30 21 26 19 18 16 8 7 8 4 5 3 4 8 6 750mb GPH (m): 2434 2434 2424 2432 2432 2433 2437 2457 2475 2495 2498 2515 2522 2523 2508 750mb Temp (C): 0.9 -1.2 -1.3 -1.6 -1.8 -1.7 -1.5 -0.8 -0.8 -0.5 -0.6 0.0 1.1 2.0 0.9 750mb Dewpt(C): 0.6 -2.8 -2.0 -1.9 -3.0 -4.0 -1.7 -3.2 -3.2 -3.7 -4.2 -5.4 -8.0 -9.5 -8.8 750mb RH (%): 98 89 95 97 91 84 99 84 84 79 77 67 50 42 48 750mb Dir: 223 232 222 205 198 180 173 161 174 171 187 137 179 212 213 750mb Speed(kt): 30 22 25 21 19 15 10 6 7 4 3 2 4 7 5 700mb GPH (m): 2985 2981 2971 2978 2977 2979 2983 3004 3023 3043 3046 3064 3073 3076 3059 700mb Temp (C): -2.5 -4.1 -4.9 -4.5 -5.1 -5.0 -4.8 -4.5 -3.9 -3.6 -3.8 -2.7 -1.3 -1.4 -2.5 700mb Dewpt(C): -2.8 -5.1 -5.4 -4.8 -7.6 -7.8 -5.1 -7.1 -6.8 -6.3 -7.3 -9.8 -14.4 -13.2 -8.8 700mb RH (%): 97 93 97 98 83 81 98 82 80 82 77 58 36 40 62 700mb Dir: 221 226 223 201 190 168 189 165 171 141 130 74 206 255 254 700mb Speed(kt): 30 22 23 24 16 11 11 6 7 3 2 2 3 5 7 650mb GPH (m): 3570 3562 3549 3558 3555 3557 3562 3583 3605 3625 3628 3649 3660 3663 3643 650mb Temp (C): -6.1 -8.0 -8.4 -8.4 -8.9 -8.5 -8.5 -8.1 -7.0 -7.0 -6.7 -5.4 -4.5 -5.0 -5.8 650mb Dewpt(C): -9.5 -14.4 -10.8 -9.0 -13.6 -12.3 -8.7 -12.5 -14.4 -11.5 -14.6 -18.0 -18.8 -9.5 -7.1 650mb RH (%): 76 60 83 95 69 74 98 70 56 71 54 37 32 71 91 650mb Dir: 222 223 226 205 191 154 206 177 174 137 45 24 255 286 263 650mb Speed(kt): 31 24 22 25 14 9 11 5 7 4 1 1 4 8 12 600mb GPH (m): 4192 4177 4166 4173 4170 4172 4177 4201 4224 4244 4249 4272 4285 4287 4266 600mb Temp (C): -9.4 -12.7 -12.0 -13.1 -12.7 -13.0 -12.7 -11.4 -10.7 -10.5 -10.0 -8.9 -8.4 -8.9 -9.2 600mb Dewpt(C): -14.7 -26.7 -17.6 -13.5 -15.0 -16.3 -13.6 -20.2 -20.3 -19.9 -23.1 -24.4 -19.4 -9.3 -9.7 600mb RH (%): 66 30 63 97 83 77 93 49 46 46 34 28 41 97 96 600mb Dir: 220 228 233 199 214 110 215 193 181 134 317 264 265 285 279 600mb Speed(kt): 31 24 25 20 11 9 10 4 6 4 2 3 5 13 16 550mb GPH (m): 4859 4837 4826 4829 4828 4831 4836 4862 4887 4908 4914 4940 4955 4958 4934 550mb Temp (C): -13.4 -16.2 -16.7 -18.2 -17.3 -17.2 -17.0 -16.0 -15.3 -15.1 -14.2 -13.0 -12.6 -12.5 -14.1 550mb Dewpt(C): -16.1 -36.6 -23.1 -18.5 -21.1 -23.3 -23.6 -26.5 -25.7 -25.9 -28.4 -20.6 -20.3 -12.8 -14.8 550mb RH (%): 81 16 58 97 73 60 57 41 41 40 29 53 53 97 95 550mb Dir: 223 238 237 191 207 78 219 181 176 129 319 267 286 293 275 550mb Speed(kt): 35 24 24 18 11 8 8 3 4 2 3 6 6 18 21 500mb GPH (m): 5577 5546 5534 5533 5535 5536 5542 5571 5599 5620 5630 5660 5675 5677 5649 500mb Temp (C): -17.7 -21.3 -22.0 -23.1 -22.5 -23.0 -22.8 -21.5 -20.9 -20.5 -19.0 -17.5 -17.6 -18.6 -19.2 500mb Dewpt(C): -21.8 -30.4 -27.1 -26.7 -27.0 -27.2 -29.8 -33.4 -34.2 -31.2 -29.8 -24.0 -23.6 -21.2 -29.0 500mb RH (%): 71 44 64 73 67 69 54 34 30 39 39 57 60 80 42 500mb Dir: 219 239 236 207 202 39 218 196 167 54 0 279 314 285 271 500mb Speed(kt): 42 25 22 21 12 6 3 6 3 2 8 8 9 16 24 450mb GPH (m): 6358 6315 6300 6297 6298 6298 6305 6338 6367 6390 6405 6439 6455 6452 6421 450mb Temp (C): -22.6 -26.8 -27.8 -28.0 -29.0 -29.8 -28.9 -27.9 -26.4 -25.6 -24.4 -23.5 -23.8 -25.1 -26.8 450mb Dewpt(C): -27.0 -35.5 -33.1 -32.1 -31.5 -30.8 -36.1 -40.2 -37.7 -31.9 -30.7 -29.1 -30.9 -27.9 -28.1 450mb RH (%): 68 45 61 68 80 91 51 31 35 57 56 61 53 78 89 450mb Dir: 211 229 238 225 191 195 295 187 35 27 7 287 326 287 271 450mb Speed(kt): 48 28 24 31 12 1 5 6 6 15 21 9 12 12 26 400mb GPH (m): 7211 7153 7135 7133 7128 7125 7134 7170 7209 7232 7252 7289 7303 7298 7258 400mb Temp (C): -28.8 -32.6 -33.1 -33.2 -35.3 -36.1 -36.1 -34.5 -31.4 -31.7 -30.9 -30.0 -30.2 -29.4 -33.5 400mb Dewpt(C): -36.2 -45.2 -41.6 -45.9 -38.4 -38.3 -42.6 -48.6 -34.4 -40.9 -36.6 -32.8 -40.9 -39.9 -35.7 400mb RH (%): 50 29 44 28 74 81 53 24 76 41 58 77 36 36 81 400mb Dir: 206 222 242 220 198 231 272 77 20 25 9 302 321 318 279 400mb Speed(kt): 55 30 35 47 14 5 9 12 21 30 34 14 15 17 28 350mb GPH (m): 8153 8084 8065 8060 8046 8038 8045 8091 8140 8164 8183 8223 8240 8239 8183 350mb Temp (C): -35.6 -36.8 -36.7 -37.9 -40.2 -42.5 -43.5 -41.1 -39.0 -37.4 -39.0 -37.9 -35.9 -34.8 -37.9 350mb Dewpt(C): -40.6 -58.0 -59.9 -56.8 -54.1 -51.1 -50.5 -48.3 -42.5 -41.9 -44.4 -41.3 -54.0 -52.2 -54.0 350mb RH (%): 62 10 8 13 23 40 48 47 71 64 58 71 15 17 18 350mb Dir: 203 227 248 218 201 234 299 59 19 22 9 320 320 341 305 350mb Speed(kt): 67 32 53 55 31 6 7 54 31 53 43 19 17 30 31 300mb GPH (m): 9207 9142 9123 9113 9092 9078 9083 9130 9179 9209 9225 9269 9297 9303 9242 300mb Temp (C): -43.8 -39.8 -40.0 -41.0 -41.7 -40.9 -41.0 -42.9 -44.4 -44.5 -44.7 -44.1 -41.8 -39.7 -38.9 300mb Dewpt(C): -48.7 -65.6 -59.8 -65.7 -63.8 -67.3 -65.5 -66.5 -57.4 -53.1 -55.1 -55.6 -60.3 -61.9 -67.6 300mb RH (%): 60 6 11 6 8 5 6 7 24 40 32 29 13 9 4 300mb Dir: 195 233 247 221 203 194 325 59 34 28 4 348 343 353 323 300mb Speed(kt): 64 34 56 55 41 10 6 25 37 53 45 24 19 47 35 250mb GPH (m): 10409 10380 10363 10346 10331 10326 10328 10362 10400 10424 10436 10480 10516 10533 10485 250mb Temp (C): -47.9 -41.6 -41.5 -41.8 -40.1 -38.8 -39.5 -41.2 -43.4 -44.6 -45.8 -46.6 -46.3 -45.3 -41.8 250mb Dewpt(C): -64.5 -71.8 -65.4 -70.2 -71.4 -72.4 -73.3 -74.2 -70.6 -70.3 -69.3 -69.9 -66.4 -65.0 -71.2 250mb RH (%): 15 3 7 4 3 2 2 2 4 5 6 6 10 10 3 250mb Dir: 199 245 247 229 214 230 248 146 25 18 6 356 343 354 336 250mb Speed(kt): 54 36 56 47 29 9 9 6 14 25 30 25 18 44 42 200mb GPH (m): 11891 11889 11872 11860 11857 11854 11851 11878 11906 11921 11927 11960 11992 12012 11989 200mb Temp (C): -45.5 -43.1 -42.4 -40.8 -41.7 -40.8 -41.8 -42.9 -43.4 -44.2 -45.2 -46.6 -47.5 -47.0 -43.9 200mb Dewpt(C): -82.1 -80.7 -80.5 -79.1 -79.7 -67.2 -95.6 -80.6 -80.9 -81.6 -81.6 -81.9 -76.0 -78.2 -81.8 200mb RH (%): 1 1 1 1 1 5 0 1 1 1 1 1 3 2 1 200mb Dir: 239 258 253 235 227 217 258 208 214 341 326 331 329 352 342 200mb Speed(kt): 34 40 50 47 23 9 10 9 7 2 9 11 16 29 33 150mb GPH (m): 13793 13808 13801 13799 13791 13795 13782 13800 13824 13840 13835 13858 13884 13902 13890 150mb Temp (C): -48.5 -47.1 -46.4 -45.3 -44.9 -44.1 -45.1 -46.0 -46.6 -46.4 -47.2 -48.7 -49.4 -50.3 -49.5 150mb Dewpt(C): -98.8 -83.4 -83.0 -82.3 -96.8 -118.2 -70.7 -71.4 -71.8 -71.7 -100.5 -84.6 -85.2 -85.8 -85.3 150mb RH (%): 0 1 1 1 0 0 5 5 5 5 0 1 1 1 1 150mb Dir: 248 267 260 244 242 240 221 236 217 238 221 277 276 335 334 150mb Speed(kt): 31 28 35 33 21 17 16 12 16 10 9 6 7 12 18 100mb GPH (m): 16446 16466 16458 16466 16465 16480 16458 16470 16490 16500 16490 16503 16522 16534 16517 100mb Temp (C): -49.9 -50.6 -51.3 -50.7 -50.0 -49.0 -49.8 -49.7 -50.8 -50.7 -51.2 -51.4 -52.4 -52.6 -53.3 100mb Dewpt(C): -74.4 -118.7 -97.9 -107.1 -74.5 -73.7 -74.4 -74.2 -138.8 -129.8 -86.0 -98.4 -87.3 -87.4 -87.9 100mb RH (%): 5 0 0 0 5 0 0 0 0 0 1 0 1 1 1 100mb Dir: 251 259 259 254 257 233 238 198 206 193 212 178 191 241 254 100mb Speed(kt): 18 16 19 11 12 11 9 11 10 13 6 10 8 7 6