Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z DEC 24, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 982.1 977.8 967.8 965.3 978.7 980.8 976.6 977.4 980.0 981.1 980.5 984.3 988.1 992.5 998.0 Mean SLP (mb): 1006.8 1002.4 992.2 989.4 1003.2 1005.4 1001.1 1002.0 1004.4 1005.6 1005.2 1009.4 1013.1 1017.7 1023.4 2m agl Tmp (F): 44.5 42.6 42.4 45.7 45.1 43.8 42.3 43.2 48.2 40.5 37.2 37.3 38.6 36.9 35.4 2m agl Dewpt(F): 39.4 36.7 36.4 38.8 41.9 38.2 35.6 39.1 43.2 35.8 35.1 36.5 37.9 36.1 34.3 2m agl RH (%): 82 79 79 76 88 80 76 85 82 83 92 97 97 97 96 10m agl Dir: 65 81 88 88 195 73 86 86 109 78 68 169 274 252 214 10m agl Spd(kt): 3 10 18 16 12 5 13 12 5 6 5 2 5 7 4 6hr Precip (in): 0.00 0.00 0.05 0.14 0.04 0.01 0.00 0.03 0.02 0.00 0.00 0.00 0.05 0.02 0.01 AccumPrecip(in): 0.00 0.00 0.05 0.19 0.23 0.24 0.24 0.27 0.29 0.29 0.29 0.29 0.34 0.36 0.37 Sfc CAPE (J/kg): 0.0 0.0 0.0 0.0 13.5 0.8 0.0 0.0 332.9 12.6 0.0 1.1 33.8 16.6 9.3 Sfc CINH (J/kg): 0.0 0.0 -0.1 0.0 -20.1 0.0 0.0 0.0 -22.1 -2.8 -2.3 -0.1 -0.7 -16.5 -17.8 0-3km Hel(J/kg): 190.7 254.4 903.6 516.6 230.4 44.1 261.8 259.0 94.2 136.5 12.7 103.0 130.4 196.8 168.5 Precip H20 (in): 0.55 0.72 0.88 0.72 0.52 0.49 0.53 0.67 0.48 0.26 0.41 0.46 0.27 0.34 0.39 Lifted Index(C): 9.3 6.1 1.5 -0.8 3.3 4.2 3.5 0.7 -1.7 1.3 2.6 3.1 10.2 13.0 13.8 700mb VV(-ub/s): 0.8 1.0 1.6 14.7 6.9 -2.2 0.1 3.9 3.1 -0.7 -0.9 -1.3 3.2 -0.7 -1.4 Thk1000-500mb(m)5401.8 5440.4 5505.7 5487.1 5371.6 5385.9 5417.7 5411.2 5344.7 5335.7 5336.8 5328.6 5331.6 5336.1 5323.2 Thk1000-850mb(m)1323.5 1327.2 1337.9 1349.0 1321.9 1322.3 1331.3 1332.3 1331.8 1326.7 1322.2 1311.9 1299.3 1297.5 1291.7 Thk850-700mb(m):1533.4 1545.4 1571.9 1568.5 1524.8 1537.8 1546.4 1542.2 1523.9 1523.5 1521.1 1519.1 1510.5 1505.2 1504.5 SWEAT Index: 87.3 96.9 223.7 289.7 170.1 66.0 111.0 231.1 233.6 151.2 83.0 147.5 94.1 99.0 87.4 Total Totals Idx 39.9 44.8 49.8 55.2 50.5 49.5 49.9 54.9 56.0 51.5 51.2 53.3 36.4 34.3 33.0 Frz Hgt(ft amsl) 5089 5751 8169 7395 4254 5212 6430 5735 4963 4748 4584 4171 2294 2302 1719 0WetBlbHgt(amsl) 4298 5497 8079 7227 4203 4151 5045 5575 3937 3426 3197 3723 1963 2202 1528 Equil Prs (mb): 982 978 968 965 695 981 977 977 453 981 981 984 836 794 797 Equil Hgt(amsl): 26 26 26 26 9596 26 26 26 19944 26 26 26 5039 6459 6476 Hail Size(in): 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 0.00 0.00 Conv Wind Gust: 30.5 34.1 46.9 50.8 29.2 32.8 39.9 32.0 40.5 40.9 34.6 26.2 25.4 23.6 21.9 Showalter Index: 9.3 6.0 1.4 -1.2 4.2 4.5 3.3 0.6 1.4 3.8 4.1 3.2 12.7 14.6 15.4 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 0.6 -999.9 -999.9 -999.9 0.0 -999.9 -999.9 -999.9 0.0 4.0 6.2 Storm Dir (deg): 236 209 216 203 253 232 186 206 224 243 278 298 321 335 338 Storm Spd (kts): 20 24 42 35 32 18 19 22 20 18 9 14 23 24 21 2m HeatIndex(F): 45 43 42 46 45 44 42 43 48 41 37 37 39 37 35 2m WindChill(F): 45 43 42 46 45 44 42 43 48 41 32 37 34 31 31 1000mb GPH (m): 55 20 -64 -88 26 44 9 16 36 46 43 76 106 142 187 950mb GPH (m): 476 439 355 335 448 466 429 437 461 468 462 490 522 557 600 950mb Temp (C): 5.3 5.3 4.5 6.8 5.1 5.7 6.3 7.1 8.6 7.4 7.3 4.0 1.3 1.1 -0.3 950mb Dewpt(C): 3.1 1.8 1.8 3.2 4.8 2.4 0.6 4.2 3.7 1.0 -1.6 1.5 -0.1 0.6 -0.6 950mb RH (%): 85 78 82 78 98 79 67 81 71 64 53 84 90 96 97 950mb Dir: 79 86 89 88 197 81 89 92 172 99 60 229 289 275 264 950mb Speed(kt): 7 20 26 20 20 8 25 19 8 9 6 7 12 18 14 900mb GPH (m): 917 882 800 784 888 905 873 882 906 911 904 929 954 989 1030 900mb Temp (C): 4.1 5.5 9.3 12.2 3.0 2.7 6.7 6.7 5.1 4.5 3.7 1.8 -1.8 -2.2 -3.4 900mb Dewpt(C): 1.1 1.7 4.7 3.1 2.8 0.2 -1.3 4.3 -0.6 -3.2 -3.6 0.8 -3.9 -2.4 -3.6 900mb RH (%): 81 76 73 53 98 83 56 85 67 57 59 93 86 98 98 900mb Dir: 96 115 113 128 211 97 111 165 206 209 22 257 306 299 299 900mb Speed(kt): 8 17 41 36 39 2 34 21 22 11 3 16 20 25 21 850mb GPH (m): 1379 1347 1274 1261 1348 1367 1341 1348 1368 1373 1365 1387 1406 1440 1479 850mb Temp (C): 1.0 2.5 8.1 9.6 -0.4 0.9 4.7 3.2 1.3 0.5 0.3 -0.6 -4.4 -6.0 -6.8 850mb Dewpt(C): -2.3 0.4 4.5 2.3 -0.6 -2.2 -2.3 1.4 -5.0 -8.4 -7.9 -2.9 -9.9 -6.3 -8.7 850mb RH (%): 79 86 78 60 98 79 60 88 63 51 54 84 65 98 86 850mb Dir: 160 126 156 171 226 227 130 183 204 219 290 262 291 294 305 850mb Speed(kt): 9 15 39 37 45 6 28 28 29 20 9 21 25 25 25 800mb GPH (m): 1864 1834 1771 1760 1830 1852 1831 1836 1852 1856 1847 1869 1882 1911 1948 800mb Temp (C): -1.8 -0.5 4.5 4.7 -3.3 -1.1 0.9 -0.7 -3.0 -2.8 -3.6 -4.3 -5.8 -8.9 -10.1 800mb Dewpt(C): -4.5 -0.9 2.7 0.8 -3.5 -5.4 -6.4 -1.1 -6.6 -30.4 -5.7 -6.4 -22.9 -12.6 -15.4 800mb RH (%): 82 97 88 75 99 73 58 97 76 10 85 85 25 75 66 800mb Dir: 188 141 174 184 230 217 148 188 206 226 275 254 271 282 311 800mb Speed(kt): 16 23 49 45 45 17 19 34 24 22 11 25 29 25 24 750mb GPH (m): 2374 2348 2294 2281 2338 2363 2346 2349 2359 2363 2353 2373 2384 2410 2448 750mb Temp (C): -5.2 -2.8 0.9 -0.3 -6.6 -4.2 -2.8 -3.8 -7.2 -6.7 -7.7 -7.6 -8.4 -7.9 -7.1 750mb Dewpt(C): -8.6 -3.3 0.7 -0.7 -6.7 -8.4 -12.3 -4.3 -9.9 -27.2 -8.9 -10.0 -27.4 -31.4 -36.6 750mb RH (%): 77 96 98 97 99 73 48 96 81 18 91 83 21 14 8 750mb Dir: 197 164 182 188 230 212 145 192 205 216 263 261 266 308 316 750mb Speed(kt): 22 24 58 50 42 26 15 37 27 25 12 25 35 36 36 700mb GPH (m): 2912 2892 2846 2830 2873 2904 2887 2891 2892 2897 2886 2906 2916 2945 2983 700mb Temp (C): -7.9 -5.2 -1.7 -4.0 -10.2 -7.1 -7.8 -7.0 -11.3 -10.9 -11.0 -11.1 -10.4 -8.9 -9.5 700mb Dewpt(C): -15.5 -5.9 -2.0 -4.1 -11.6 -20.5 -12.4 -7.7 -12.3 -25.8 -15.0 -15.1 -35.9 -39.5 -25.7 700mb RH (%): 55 95 98 99 89 34 70 94 92 29 73 72 11 7 26 700mb Dir: 217 177 195 194 225 202 155 188 203 209 234 271 272 312 314 700mb Speed(kt): 25 29 72 58 45 32 16 33 26 29 10 26 38 39 36 650mb GPH (m): 3485 3471 3432 3410 3441 3477 3459 3464 3456 3460 3450 3471 3484 3516 3551 650mb Temp (C): -10.7 -8.2 -4.9 -8.5 -12.2 -11.8 -10.6 -11.0 -15.6 -15.5 -14.9 -14.8 -12.6 -11.6 -13.2 650mb Dewpt(C): -25.2 -9.2 -5.7 -14.2 -29.2 -16.2 -11.5 -11.9 -16.8 -39.9 -18.6 -20.7 -43.3 -32.2 -17.0 650mb RH (%): 30 93 94 64 23 70 93 93 90 11 74 61 6 17 73 650mb Dir: 225 188 203 196 227 197 179 188 197 212 215 272 285 314 312 650mb Speed(kt): 32 34 75 60 48 36 24 34 35 32 10 23 38 41 32 600mb GPH (m): 4094 4089 4057 4026 4049 4083 4071 4074 4054 4058 4051 4072 4090 4123 4157 600mb Temp (C): -15.6 -11.6 -8.9 -11.6 -15.0 -16.0 -14.3 -14.9 -20.0 -20.0 -18.9 -18.4 -15.7 -15.5 -15.6 600mb Dewpt(C): -19.4 -12.7 -9.9 -16.3 -37.6 -26.0 -15.7 -16.6 -25.2 -46.0 -27.0 -29.2 -44.1 -31.4 -18.2 600mb RH (%): 73 92 93 69 13 43 89 87 64 9 50 39 7 25 81 600mb Dir: 215 197 199 178 225 196 194 170 192 214 229 271 300 310 313 600mb Speed(kt): 34 46 67 47 52 35 29 28 37 31 12 22 38 41 34 550mb GPH (m): 4749 4750 4725 4689 4700 4733 4725 4727 4695 4697 4693 4715 4740 4775 4808 550mb Temp (C): -17.4 -16.2 -13.7 -15.2 -20.1 -20.5 -18.9 -18.9 -24.0 -24.7 -23.8 -23.3 -20.3 -18.9 -19.2 550mb Dewpt(C): -21.1 -17.5 -14.7 -17.2 -37.7 -30.1 -21.1 -21.7 -31.3 -44.3 -31.0 -34.0 -36.4 -32.0 -22.1 550mb RH (%): 74 90 92 85 20 43 83 79 52 15 52 38 23 31 78 550mb Dir: 208 200 206 161 228 205 195 153 182 215 245 275 305 312 316 550mb Speed(kt): 54 56 76 45 56 39 30 28 35 29 15 22 42 43 37 500mb GPH (m): 5457 5460 5442 5399 5398 5430 5427 5427 5381 5382 5380 5404 5438 5478 5510 500mb Temp (C): -20.6 -21.0 -18.6 -21.6 -25.7 -25.4 -23.8 -25.1 -29.9 -29.7 -29.5 -28.4 -25.3 -23.3 -24.3 500mb Dewpt(C): -23.5 -22.6 -20.5 -28.6 -45.7 -36.0 -26.7 -37.0 -36.9 -42.0 -38.4 -40.2 -37.7 -33.9 -27.3 500mb RH (%): 78 87 85 54 15 38 77 33 52 31 43 33 32 38 77 500mb Dir: 209 205 208 178 223 208 189 182 180 221 251 286 307 316 308 500mb Speed(kt): 69 62 76 64 51 44 37 41 36 33 21 20 45 48 38 450mb GPH (m): 6228 6231 6217 6168 6151 6184 6186 6185 6124 6123 6122 6151 6195 6240 6269 450mb Temp (C): -25.9 -25.8 -24.8 -26.3 -32.1 -31.9 -30.4 -29.8 -34.3 -36.1 -34.8 -33.5 -30.4 -29.7 -30.1 450mb Dewpt(C): -29.1 -28.1 -27.5 -32.9 -49.2 -39.6 -33.6 -53.8 -47.6 -42.0 -45.8 -43.4 -43.1 -38.8 -33.4 450mb RH (%): 75 81 79 55 18 48 74 9 26 56 33 38 29 42 74 450mb Dir: 211 208 202 159 215 206 191 189 184 221 235 305 318 318 304 450mb Speed(kt): 75 64 66 79 52 45 39 48 48 51 45 23 50 51 41 400mb GPH (m): 7070 7073 7063 7009 6970 7003 7010 7012 6939 6926 6932 6966 7020 7065 7094 400mb Temp (C): -32.4 -31.9 -30.9 -31.7 -37.9 -39.0 -38.0 -36.9 -39.1 -43.9 -41.6 -39.3 -36.8 -37.5 -37.3 400mb Dewpt(C): -35.8 -34.7 -34.2 -48.1 -51.2 -43.6 -41.6 -46.6 -57.7 -47.7 -46.8 -52.5 -50.0 -42.9 -40.7 400mb RH (%): 72 76 74 20 25 63 70 37 14 67 58 25 26 58 71 400mb Dir: 217 211 191 173 209 203 188 180 180 215 218 317 326 327 303 400mb Speed(kt): 78 66 59 84 49 52 43 47 57 56 60 27 56 54 42 350mb GPH (m): 7994 8001 7994 7942 7879 7902 7911 7918 7841 7808 7823 7870 7928 7971 7999 350mb Temp (C): -40.2 -39.5 -39.0 -37.1 -42.4 -47.0 -46.8 -45.0 -45.5 -49.3 -48.2 -44.3 -44.4 -44.4 -45.6 350mb Dewpt(C): -46.2 -45.3 -42.6 -48.0 -67.5 -51.0 -50.5 -51.8 -64.1 -60.3 -61.3 -60.8 -55.5 -51.0 -49.5 350mb RH (%): 54 55 69 33 6 65 67 48 12 29 22 16 30 50 66 350mb Dir: 217 207 185 187 207 205 185 179 181 215 226 343 324 327 311 350mb Speed(kt): 83 69 54 133 68 57 50 50 59 42 46 38 57 54 41 300mb GPH (m): 9026 9037 9029 8988 8910 8906 8912 8931 8855 8814 8830 8888 8945 8987 9008 300mb Temp (C): -49.0 -48.2 -49.1 -46.2 -46.5 -52.7 -54.3 -52.1 -51.3 -50.5 -51.0 -50.3 -51.2 -51.8 -53.3 300mb Dewpt(C): -54.5 -57.2 -52.8 -50.6 -66.2 -59.8 -58.1 -59.7 -70.7 -71.4 -68.3 -62.7 -60.1 -58.4 -57.8 300mb RH (%): 55 37 67 62 10 44 64 42 10 8 13 24 36 47 60 300mb Dir: 223 202 191 182 198 205 207 189 177 211 252 348 329 324 319 300mb Speed(kt): 90 75 66 131 97 68 59 58 56 36 23 44 56 57 46 250mb GPH (m): 10197 10210 10195 10171 10105 10077 10070 10092 10028 10005 10014 10062 10113 10147 10169 250mb Temp (C): -58.3 -58.0 -59.4 -55.4 -51.8 -54.0 -57.2 -58.4 -54.1 -49.5 -50.9 -54.5 -56.7 -58.8 -56.7 250mb Dewpt(C): -63.7 -65.7 -63.7 -62.0 -71.2 -69.2 -67.6 -67.2 -70.9 -78.7 -75.2 -71.5 -64.2 -65.3 -68.7 250mb RH (%): 52 39 59 46 9 16 28 34 13 3 5 12 41 45 23 250mb Dir: 225 208 200 186 197 200 215 197 177 217 250 326 306 323 338 250mb Speed(kt): 93 80 86 126 89 75 75 68 46 35 25 27 31 56 53 200mb GPH (m): 11596 11600 11587 11584 11543 11506 11488 11497 11467 11464 11467 11493 11520 11547 11579 200mb Temp (C): -54.6 -59.5 -57.2 -55.4 -53.0 -53.8 -53.9 -54.8 -50.6 -50.1 -50.5 -53.1 -56.2 -56.8 -57.5 200mb Dewpt(C): -75.1 -73.0 -75.9 -77.3 -78.8 -75.2 -81.2 -77.1 -78.3 -85.8 -85.9 -79.6 -76.9 -76.9 -76.1 200mb RH (%): 8 18 9 6 4 7 3 6 3 1 1 3 7 8 9 200mb Dir: 220 216 210 196 199 204 211 205 211 224 247 283 296 307 335 200mb Speed(kt): 75 59 71 84 67 63 55 46 49 30 31 25 34 36 53 150mb GPH (m): 13436 13429 13423 13426 13392 13362 13341 13340 13340 13338 13337 13352 13362 13379 13405 150mb Temp (C): -55.2 -53.7 -53.3 -52.6 -54.2 -51.7 -52.7 -54.0 -51.1 -51.3 -51.4 -51.7 -53.1 -54.5 -54.6 150mb Dewpt(C): -84.8 -88.4 -83.7 -87.2 -88.4 -86.8 -87.7 -88.6 -84.5 -81.9 -86.6 -86.8 -87.7 -84.5 -88.3 150mb RH (%): 2 1 2 1 1 1 1 1 1 2 1 1 1 2 1 150mb Dir: 224 214 215 205 191 201 214 208 225 232 247 272 280 306 316 150mb Speed(kt): 68 61 64 55 64 53 43 36 37 28 32 26 31 40 42 100mb GPH (m): 16008 16012 16006 16016 16002 15991 15950 15949 15950 15954 15947 15959 15958 15979 15994 100mb Temp (C): -57.4 -56.4 -56.8 -57.1 -53.8 -53.1 -53.1 -52.7 -54.2 -54.0 -54.6 -54.7 -55.4 -54.8 -56.8 100mb Dewpt(C): -90.8 -90.1 -85.0 -86.3 -83.8 -87.8 -90.9 -87.5 -89.4 -88.4 -84.4 -88.9 -89.4 -89.0 -90.4 100mb RH (%): 1 1 2 2 2 1 1 1 1 1 2 1 1 1 1 100mb Dir: 231 228 223 217 214 213 207 223 245 239 255 266 285 300 308 100mb Speed(kt): 60 55 44 48 43 38 30 32 22 30 26 24 31 20 27