Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z JAN 5, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 978.8 980.0 983.2 989.3 992.6 994.9 994.0 992.1 988.5 986.9 987.9 987.9 988.0 991.4 992.3 Mean SLP (mb): 1003.3 1004.6 1008.0 1014.3 1017.7 1020.3 1019.4 1017.3 1013.4 1011.7 1012.9 1012.9 1012.9 1016.6 1017.4 2m agl Tmp (F): 42.3 42.7 42.1 41.5 40.5 35.1 35.2 37.0 40.7 40.6 39.2 39.6 40.5 37.5 38.6 2m agl Dewpt(F): 40.2 39.6 41.4 40.1 35.8 33.8 33.4 35.9 37.6 40.0 38.4 38.7 38.5 36.9 37.8 2m agl RH (%): 92 89 97 94 83 95 93 96 88 98 97 97 92 98 97 10m agl Dir: 198 180 210 293 344 50 165 178 194 224 211 199 248 188 237 10m agl Spd(kt): 6 7 5 4 2 1 3 8 12 7 6 6 7 7 11 6hr Precip (in): 0.00 0.07 0.05 0.03 0.00 0.00 0.00 0.01 0.11 0.48 0.12 0.10 0.18 0.10 0.31 AccumPrecip(in): 0.00 0.07 0.13 0.15 0.15 0.15 0.16 0.17 0.28 0.76 0.88 0.98 1.16 1.26 1.57 Sfc CAPE (J/kg): 2.1 12.0 55.4 51.2 5.3 2.0 1.1 2.6 0.0 1.7 98.6 111.6 104.4 24.8 75.3 Sfc CINH (J/kg): -6.3 -5.4 -2.8 0.0 0.0 0.0 -0.7 0.0 0.0 0.0 -0.2 -0.7 -0.4 -22.6 -2.1 0-3km Hel(J/kg): 142.5 134.8 79.6 30.8 -27.0 47.1 157.9 396.7 448.1 108.1 95.4 143.0 91.7 213.9 188.1 Precip H20 (in): 0.56 0.50 0.46 0.37 0.30 0.30 0.42 0.66 0.64 0.59 0.38 0.40 0.44 0.40 0.37 Lifted Index(C): 1.6 2.4 2.6 5.1 11.0 19.1 19.6 16.3 8.3 7.3 5.3 0.5 0.3 1.5 9.7 700mb VV(-ub/s): 13.7 1.7 2.6 -2.8 -4.6 3.7 2.7 1.2 7.9 15.4 7.0 -0.5 20.0 7.5 7.8 Thk1000-500mb(m)5342.3 5325.6 5310.2 5299.8 5318.2 5369.4 5395.8 5402.8 5390.2 5349.8 5277.0 5249.5 5255.9 5246.9 5285.6 Thk1000-850mb(m)1316.5 1316.4 1313.1 1305.0 1301.3 1296.0 1295.1 1299.3 1312.5 1311.8 1300.8 1302.7 1304.2 1300.8 1300.9 Thk850-700mb(m):1524.9 1518.6 1512.6 1509.6 1512.1 1517.8 1520.6 1528.8 1531.6 1521.8 1496.7 1498.6 1501.0 1493.5 1493.3 SWEAT Index: 231.5 236.0 163.6 52.4 35.1 42.2 75.2 224.7 226.9 113.8 107.4 262.5 307.5 388.5 159.2 Total Totals Idx 55.7 53.8 53.1 49.0 37.0 20.1 17.3 25.2 41.8 45.0 48.8 58.2 59.4 57.2 41.3 Frz Hgt(ft amsl) 3789 3887 3436 2861 2532 1939 1143 2123 4732 3594 2379 2676 2751 2562 2560 0WetBlbHgt(amsl) 3716 3834 3376 2580 2136 1631 947 1920 4615 3518 2261 2496 2689 2443 2499 Equil Prs (mb): 979 649 598 730 843 995 994 992 989 987 718 449 494 715 690 Equil Hgt(amsl): 26 11326 13358 8559 4947 26 26 26 26 26 8872 20009 17866 9080 9971 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: 23.5 26.1 22.9 19.9 21.0 25.2 32.3 31.7 27.2 26.5 24.4 24.8 27.7 23.8 26.6 Showalter Index: 1.8 2.9 3.9 6.3 12.6 20.0 20.9 18.5 8.3 7.6 6.9 2.2 1.5 2.8 10.7 Cap Strength(C):-999.9 1.1 0.4 0.7 4.3 -999.9 0.0 5.1 -999.9 -999.9 0.0 -1.2 0.0 0.9 0.4 Storm Dir (deg): 247 252 270 293 321 311 290 286 281 282 284 297 310 293 319 Storm Spd (kts): 23 24 18 11 10 11 19 28 35 30 27 19 22 24 33 2m HeatIndex(F): 42 43 42 42 41 35 35 37 41 41 39 40 40 37 39 2m WindChill(F): 42 43 42 42 41 35 32 30 41 41 34 35 40 31 31 1000mb GPH (m): 27 38 65 116 143 162 155 139 109 95 104 104 105 134 140 950mb GPH (m): 448 457 484 533 559 574 567 553 526 513 520 520 522 549 556 950mb Temp (C): 4.7 4.3 4.2 2.5 1.4 0.1 -1.2 0.3 2.4 3.7 1.6 2.1 2.4 1.7 1.7 950mb Dewpt(C): 3.8 2.6 3.8 0.9 -0.1 -0.5 -1.4 0.0 2.1 3.3 0.8 1.7 2.0 0.8 1.4 950mb RH (%): 93 89 97 89 89 96 98 98 98 97 95 97 97 94 98 950mb Dir: 208 186 222 304 343 351 201 192 200 234 229 221 257 212 249 950mb Speed(kt): 13 14 15 6 3 2 8 20 25 20 11 14 16 20 25 900mb GPH (m): 886 896 921 967 992 1006 997 986 962 951 953 954 956 982 989 900mb Temp (C): 1.3 2.1 0.9 -0.7 -1.5 -2.0 -2.1 -1.0 1.3 0.9 -1.7 -1.0 -0.9 -1.4 -1.6 900mb Dewpt(C): 1.1 1.9 0.7 -1.7 -4.0 -6.9 -4.4 -3.5 1.1 0.6 -2.0 -2.1 -1.1 -1.6 -1.8 900mb RH (%): 98 99 98 93 83 69 84 83 98 98 98 92 98 99 98 900mb Dir: 215 210 249 294 323 289 232 221 223 263 257 243 282 228 276 900mb Speed(kt): 26 25 15 5 10 6 12 28 44 24 14 19 22 22 34 850mb GPH (m): 1344 1354 1378 1421 1444 1458 1450 1439 1421 1407 1405 1407 1409 1434 1441 850mb Temp (C): -0.9 -1.2 -2.4 -3.2 -4.3 -3.8 -3.2 -4.1 0.1 -1.9 -4.9 -4.5 -4.3 -5.1 -5.0 850mb Dewpt(C): -1.1 -1.5 -2.7 -5.1 -8.4 -13.6 -15.0 -5.2 -0.2 -2.2 -5.2 -5.6 -4.5 -5.3 -5.2 850mb RH (%): 99 98 98 87 73 47 40 92 98 98 97 92 98 99 98 850mb Dir: 219 219 254 283 283 264 252 231 246 275 271 254 299 237 288 850mb Speed(kt): 25 23 17 7 11 9 20 35 50 25 20 21 28 24 42 800mb GPH (m): 1826 1835 1857 1898 1920 1935 1927 1917 1905 1887 1879 1881 1884 1907 1914 800mb Temp (C): -3.8 -4.3 -4.8 -6.1 -6.0 -5.2 -5.3 -3.2 -2.6 -4.3 -8.4 -7.7 -7.3 -9.0 -8.7 800mb Dewpt(C): -3.9 -4.6 -5.2 -9.2 -15.8 -21.1 -21.2 -3.7 -2.8 -4.8 -8.8 -9.3 -7.9 -10.6 -9.6 800mb RH (%): 99 98 97 79 46 28 28 96 98 96 97 88 95 88 94 800mb Dir: 212 220 247 271 260 245 249 250 260 265 270 255 300 243 286 800mb Speed(kt): 29 25 19 9 14 15 27 40 43 36 23 24 28 27 41 750mb GPH (m): 2333 2340 2361 2400 2423 2440 2432 2427 2414 2394 2375 2380 2383 2404 2411 750mb Temp (C): -6.4 -7.5 -9.0 -9.2 -8.0 -6.7 -6.0 -4.5 -5.4 -6.7 -11.7 -11.1 -10.6 -11.6 -12.2 750mb Dewpt(C): -6.9 -7.8 -9.5 -14.2 -20.2 -26.3 -36.6 -4.9 -5.7 -7.5 -13.7 -12.6 -11.7 -23.7 -14.3 750mb RH (%): 97 98 96 68 37 20 7 97 98 94 85 89 92 37 84 750mb Dir: 215 226 247 276 259 245 252 262 260 257 265 253 296 253 274 750mb Speed(kt): 33 24 19 10 17 20 31 40 42 43 28 25 30 29 38 700mb GPH (m): 2869 2873 2891 2930 2956 2976 2971 2967 2953 2929 2902 2906 2910 2928 2935 700mb Temp (C): -9.7 -11.9 -12.2 -11.9 -10.2 -9.0 -7.2 -6.7 -7.7 -10.0 -12.9 -14.9 -14.3 -15.2 -15.2 700mb Dewpt(C): -10.8 -12.1 -18.0 -22.4 -29.4 -36.4 -43.0 -7.4 -8.0 -11.1 -31.7 -17.5 -16.2 -18.6 -19.3 700mb RH (%): 92 98 63 42 20 9 4 95 98 92 20 80 85 75 71 700mb Dir: 218 233 248 272 266 250 256 265 265 254 259 262 287 261 275 700mb Speed(kt): 35 24 22 12 16 21 33 43 44 48 38 25 32 35 38 650mb GPH (m): 3436 3435 3452 3493 3522 3546 3546 3546 3525 3496 3463 3461 3468 3484 3492 650mb Temp (C): -13.8 -15.9 -16.1 -16.2 -14.6 -11.2 -9.0 -7.2 -11.7 -13.2 -16.5 -19.7 -18.5 -19.0 -16.7 650mb Dewpt(C): -15.4 -20.9 -33.5 -29.0 -34.9 -50.2 -18.0 -7.8 -12.0 -14.4 -40.3 -22.0 -20.8 -20.1 -47.0 650mb RH (%): 88 66 22 33 17 3 49 95 97 91 12 82 82 91 6 650mb Dir: 221 231 250 270 276 263 260 271 255 250 258 270 277 267 286 650mb Speed(kt): 35 32 25 14 16 18 34 46 48 51 46 28 34 38 45 600mb GPH (m): 4039 4033 4049 4090 4123 4157 4164 4166 4134 4102 4059 4049 4058 4074 4089 600mb Temp (C): -18.5 -19.2 -20.4 -20.3 -18.6 -13.1 -9.9 -11.1 -14.7 -17.4 -20.5 -23.4 -23.6 -23.9 -19.0 600mb Dewpt(C): -20.8 -45.1 -39.7 -40.3 -43.7 -45.6 -13.3 -13.3 -20.3 -19.0 -30.9 -31.1 -25.5 -26.4 -51.2 600mb RH (%): 82 9 17 16 10 5 76 84 63 87 40 50 85 80 4 600mb Dir: 221 226 245 264 283 294 273 270 255 243 254 283 266 275 292 600mb Speed(kt): 36 45 30 19 16 18 35 49 51 52 57 30 35 35 53 550mb GPH (m): 4682 4675 4688 4728 4765 4817 4832 4827 4790 4748 4697 4679 4688 4704 4732 550mb Temp (C): -23.4 -23.7 -24.2 -24.4 -22.3 -15.4 -13.0 -15.9 -16.5 -21.2 -25.1 -28.3 -28.9 -27.6 -22.7 550mb Dewpt(C): -26.5 -42.0 -49.1 -46.5 -50.3 -26.0 -15.1 -19.5 -34.6 -23.4 -31.9 -42.4 -32.3 -30.3 -48.2 550mb RH (%): 76 18 9 12 7 41 85 74 20 83 54 26 73 78 9 550mb Dir: 220 225 237 256 289 314 276 273 260 243 245 292 265 279 301 550mb Speed(kt): 42 52 40 27 14 21 35 54 64 59 62 34 37 48 62 500mb GPH (m): 5370 5363 5375 5416 5461 5532 5551 5542 5499 5445 5381 5354 5361 5381 5426 500mb Temp (C): -28.9 -28.2 -29.1 -28.6 -24.8 -18.8 -17.8 -17.2 -20.9 -24.5 -29.4 -34.2 -34.1 -33.8 -25.8 500mb Dewpt(C): -31.0 -43.2 -32.9 -53.5 -59.8 -21.3 -20.9 -19.5 -28.7 -27.2 -34.3 -46.4 -42.5 -37.0 -49.0 500mb RH (%): 82 24 70 8 3 81 77 83 51 79 63 30 44 74 10 500mb Dir: 216 224 233 248 326 318 280 271 259 251 251 286 276 286 309 500mb Speed(kt): 47 56 48 38 13 24 35 50 74 63 68 36 43 56 76 450mb GPH (m): 6112 6110 6120 6161 6224 6309 6330 6325 6275 6208 6124 6080 6091 6109 6182 450mb Temp (C): -35.4 -33.9 -34.6 -34.1 -25.9 -23.6 -23.1 -22.0 -23.3 -28.3 -35.2 -40.9 -38.7 -39.7 -30.7 450mb Dewpt(C): -38.4 -43.8 -38.2 -62.2 -52.3 -28.3 -27.1 -24.5 -25.2 -31.5 -37.7 -45.6 -48.9 -43.0 -45.5 450mb RH (%): 74 37 71 5 7 66 70 80 85 75 78 62 35 72 23 450mb Dir: 217 227 229 244 16 327 285 272 265 256 252 281 285 294 317 450mb Speed(kt): 54 58 52 42 39 27 37 52 75 70 72 44 51 61 95 400mb GPH (m): 6921 6923 6930 6975 7071 7160 7183 7180 7127 7044 6935 6872 6887 6908 7005 400mb Temp (C): -41.3 -40.5 -41.5 -39.7 -30.4 -29.2 -28.8 -28.2 -29.1 -32.6 -40.1 -45.0 -45.0 -42.7 -37.6 400mb Dewpt(C): -47.7 -43.7 -45.5 -63.1 -43.9 -35.4 -32.8 -31.1 -32.8 -35.7 -48.7 -51.4 -54.6 -52.4 -50.3 400mb RH (%): 52 73 67 8 27 56 69 77 71 74 41 50 35 35 27 400mb Dir: 221 228 229 248 15 321 298 281 270 253 253 275 293 302 315 400mb Speed(kt): 59 60 52 37 57 34 42 57 81 73 82 49 54 58 101 350mb GPH (m): 7814 7816 7822 7877 8004 8098 8123 8122 8067 7974 7835 7755 7769 7801 7911 350mb Temp (C): -47.7 -48.2 -47.2 -44.8 -37.4 -37.0 -35.7 -36.1 -36.1 -38.6 -44.9 -48.5 -49.1 -46.9 -45.5 350mb Dewpt(C): -53.7 -51.8 -55.4 -64.5 -49.8 -44.8 -39.7 -39.5 -40.6 -42.2 -58.9 -57.4 -63.9 -63.4 -56.1 350mb RH (%): 52 67 40 11 28 46 67 72 64 70 21 37 18 15 31 350mb Dir: 222 229 234 279 7 333 308 281 270 254 253 269 291 308 314 350mb Speed(kt): 64 60 47 25 68 39 48 55 82 90 86 50 53 61 108 300mb GPH (m): 8826 8823 8835 8899 9047 9144 9173 9171 9116 9012 8854 8768 8775 8809 8918 300mb Temp (C): -49.7 -50.8 -49.5 -47.8 -46.2 -45.6 -45.8 -45.7 -45.3 -47.3 -49.8 -48.1 -50.7 -52.8 -54.5 300mb Dewpt(C): -66.3 -62.5 -67.4 -69.1 -54.9 -51.0 -49.8 -49.3 -49.0 -51.8 -64.0 -67.8 -69.6 -65.9 -61.1 300mb RH (%): 14 26 12 8 39 57 65 68 68 61 19 10 10 21 47 300mb Dir: 226 227 246 323 357 337 313 277 275 255 249 270 286 308 316 300mb Speed(kt): 56 41 37 25 72 70 58 58 86 99 89 57 56 61 110 250mb GPH (m): 10015 10010 10029 10096 10238 10331 10357 10356 10303 10195 10038 9970 9962 9979 10066 250mb Temp (C): -50.1 -49.5 -48.6 -49.4 -53.8 -55.9 -56.4 -56.5 -56.0 -55.3 -51.1 -47.4 -50.6 -52.3 -59.5 250mb Dewpt(C): -73.4 -74.3 -75.0 -75.6 -59.5 -60.3 -59.8 -60.3 -60.1 -60.3 -70.0 -79.1 -76.3 -76.3 -67.8 250mb RH (%): 6 5 4 4 51 60 67 64 62 56 10 2 4 5 36 250mb Dir: 228 228 268 336 355 333 310 281 280 257 262 274 288 306 308 250mb Speed(kt): 47 32 25 36 94 86 64 57 92 108 89 56 59 62 97 200mb GPH (m): 11474 11479 11498 11554 11647 11727 11749 11745 11700 11610 11495 11446 11419 11431 11466 200mb Temp (C): -49.8 -47.1 -48.0 -49.9 -56.5 -62.2 -59.9 -60.8 -59.5 -55.0 -48.9 -47.2 -49.0 -49.9 -55.8 200mb Dewpt(C): -85.4 -83.6 -79.8 -80.9 -72.8 -67.8 -70.6 -70.4 -71.6 -77.0 -80.0 -83.6 -84.1 -85.2 -80.3 200mb RH (%): 1 1 2 2 13 49 26 30 22 6 2 1 1 1 4 200mb Dir: 238 242 274 332 356 349 331 300 282 267 258 264 280 302 305 200mb Speed(kt): 41 28 24 29 55 58 56 72 74 81 56 52 54 50 61 150mb GPH (m): 13360 13369 13383 13429 13477 13536 13549 13560 13526 13464 13386 13345 13313 13311 13315 150mb Temp (C): -49.8 -50.1 -50.6 -51.6 -55.0 -57.4 -55.6 -56.9 -53.4 -51.4 -49.7 -48.8 -47.1 -49.9 -51.6 150mb Dewpt(C): -85.5 -85.7 -86.0 -86.7 -84.7 -83.8 -85.1 -83.5 -87.4 -82.0 -80.8 -84.7 -83.5 -85.5 -86.7 150mb RH (%): 1 1 1 1 2 3 2 3 1 2 2 1 1 1 1 150mb Dir: 243 240 277 318 333 322 304 285 272 241 255 254 270 283 300 150mb Speed(kt): 32 26 23 18 26 33 38 42 46 46 47 33 44 43 41 100mb GPH (m): 15989 16003 16010 16043 16067 16098 16106 16127 16099 16064 16000 15975 15963 15942 15935 100mb Temp (C): -53.1 -52.1 -52.9 -53.9 -55.3 -57.3 -58.8 -59.8 -59.8 -56.7 -55.7 -53.3 -53.1 -52.3 -53.5 100mb Dewpt(C): -87.7 -82.5 -87.6 -88.4 -84.9 -90.8 -92.1 -88.1 -88.4 -90.3 -89.6 -87.9 -87.8 -82.6 -83.6 100mb RH (%): 1 2 1 1 2 1 1 2 2 1 1 1 1 2 2 100mb Dir: 238 256 270 287 296 304 315 293 271 262 263 266 277 277 283 100mb Speed(kt): 25 22 17 15 21 22 27 23 33 38 37 36 37 43 41