Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z JAN 3, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 978.0 978.9 973.0 970.5 972.0 979.3 978.3 980.5 985.2 990.9 992.9 994.4 993.5 991.9 987.3 Mean SLP (mb): 1002.5 1003.3 997.4 994.8 996.3 1003.9 1002.9 1005.2 1010.0 1016.0 1018.0 1019.7 1018.8 1017.0 1012.1 2m agl Tmp (F): 43.1 44.3 43.8 43.9 47.1 44.1 43.1 42.0 40.5 40.0 41.0 35.2 36.7 38.1 40.7 2m agl Dewpt(F): 38.8 39.9 41.4 43.0 46.4 41.9 42.1 39.8 39.8 37.3 35.4 33.6 36.0 36.8 39.7 2m agl RH (%): 85 84 91 97 97 92 96 92 97 90 80 94 97 95 96 10m agl Dir: 101 104 94 106 191 207 180 191 233 309 198 150 187 193 201 10m agl Spd(kt): 8 8 9 8 11 8 8 9 8 2 1 3 6 13 13 6hr Precip (in): 0.00 0.09 0.06 0.31 0.42 0.21 0.09 0.08 0.16 0.05 0.00 0.00 0.00 0.16 0.35 AccumPrecip(in): 0.00 0.09 0.16 0.46 0.88 1.09 1.18 1.26 1.42 1.46 1.47 1.47 1.47 1.63 1.98 Sfc CAPE (J/kg): 0.0 0.0 7.3 0.0 9.7 88.9 47.9 72.0 57.1 23.5 15.9 0.0 4.1 0.9 1.0 Sfc CINH (J/kg): -3.8 0.0 0.0 0.0 -15.4 0.0 -0.1 -0.4 -7.5 0.0 -16.6 0.0 -0.1 0.0 -0.9 0-3km Hel(J/kg): 342.0 181.8 356.9 418.3 240.0 101.4 208.9 135.1 103.2 54.2 -7.7 135.5 267.2 453.9 574.9 Precip H20 (in): 0.72 0.66 0.71 0.69 0.72 0.52 0.55 0.46 0.47 0.33 0.34 0.40 0.56 0.65 0.68 Lifted Index(C): 1.5 2.3 0.8 3.3 1.7 3.3 1.6 1.8 -0.1 4.6 12.3 17.9 17.0 12.6 7.3 700mb VV(-ub/s): 5.2 -1.3 14.3 6.5 15.5 4.8 17.8 3.5 0.9 -2.7 -1.9 -0.6 0.1 9.6 20.3 Thk1000-500mb(m)5439.3 5402.4 5408.3 5411.0 5416.5 5334.2 5338.0 5293.2 5275.9 5275.0 5303.3 5362.1 5382.4 5380.7 5382.5 Thk1000-850mb(m)1336.4 1330.5 1329.8 1324.6 1331.7 1314.6 1315.2 1310.9 1307.8 1300.2 1302.8 1299.7 1298.2 1301.3 1315.9 Thk850-700mb(m):1551.0 1538.0 1541.4 1541.7 1542.2 1517.4 1520.1 1510.8 1505.7 1502.1 1498.9 1509.3 1512.3 1522.8 1532.8 SWEAT Index: 194.2 187.2 222.5 200.5 235.2 131.8 280.4 234.1 288.1 73.2 35.3 62.0 218.5 242.4 256.7 Total Totals Idx 52.3 53.0 53.7 49.0 52.9 50.3 54.5 55.3 60.5 50.4 36.6 26.2 27.0 32.9 43.5 Frz Hgt(ft amsl) 6391 5202 5478 4951 5451 3447 3429 3071 2961 2328 2746 2532 1820 2533 4911 0WetBlbHgt(amsl) 6283 5113 5401 4825 5396 3338 3371 2988 2886 2074 2157 2095 1749 2449 4819 Equil Prs (mb): 978 979 973 970 796 698 721 549 479 765 733 994 994 992 987 Equil Hgt(amsl): 26 26 26 26 6002 9461 8622 15330 18574 7381 8510 26 26 26 26 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: 39.5 30.0 31.3 22.9 26.7 26.4 25.1 28.9 23.2 20.6 24.0 26.3 23.9 27.6 31.1 Showalter Index: 1.5 2.1 1.5 4.3 1.6 5.1 2.9 2.8 0.5 6.0 12.8 18.0 17.6 14.5 7.3 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 0.5 0.0 0.0 -0.4 0.0 -0.4 0.4 -999.9 0.0 -999.9 -999.9 Storm Dir (deg): 219 226 226 246 247 257 242 249 286 301 321 313 295 287 284 Storm Spd (kts): 24 21 30 23 27 24 26 24 17 11 11 15 26 34 37 2m HeatIndex(F): 43 44 44 44 47 44 43 42 41 40 41 35 37 38 41 2m WindChill(F): 43 44 44 44 47 44 43 42 41 40 41 33 31 30 41 1000mb GPH (m): 20 27 -21 -43 -31 32 23 43 82 129 146 158 151 137 99 950mb GPH (m): 441 450 400 378 393 452 444 461 499 545 562 571 564 552 516 950mb Temp (C): 6.1 8.0 7.4 6.8 7.6 4.3 4.4 3.7 3.0 0.9 1.5 0.9 0.0 1.1 3.0 950mb Dewpt(C): 3.2 4.7 6.0 6.5 7.3 4.0 4.2 3.4 2.7 0.2 0.1 0.2 -0.2 0.9 2.8 950mb RH (%): 82 79 91 98 98 98 98 98 98 95 90 95 99 98 98 950mb Dir: 107 153 97 112 193 211 187 196 238 311 201 207 203 200 206 950mb Speed(kt): 13 13 14 12 18 14 16 17 18 3 1 8 17 29 28 900mb GPH (m): 887 894 844 820 836 890 881 898 935 977 995 1004 996 985 954 900mb Temp (C): 8.4 5.1 5.6 3.6 5.1 1.0 1.0 0.2 -0.2 -1.4 -0.9 -1.0 -1.4 -1.1 2.5 900mb Dewpt(C): 3.3 3.3 5.3 3.3 4.8 0.8 0.8 0.0 -0.6 -3.2 -6.0 -6.4 -1.8 -1.4 2.3 900mb RH (%): 70 88 97 98 98 98 98 98 98 87 68 67 97 98 98 900mb Dir: 167 195 163 176 207 222 198 212 270 297 301 223 226 216 223 900mb Speed(kt): 30 28 16 23 42 22 31 30 19 7 4 10 21 42 48 850mb GPH (m): 1357 1358 1309 1282 1301 1347 1339 1353 1389 1430 1449 1457 1449 1439 1415 850mb Temp (C): 4.8 1.3 1.9 0.9 2.5 -1.9 -1.8 -2.4 -3.2 -4.4 -4.1 -4.2 -4.2 -3.6 0.4 850mb Dewpt(C): 1.5 1.2 1.5 0.6 2.3 -2.8 -2.0 -3.3 -3.5 -7.5 -6.1 -7.2 -6.6 -3.9 0.1 850mb RH (%): 79 99 97 98 98 94 99 93 98 79 86 80 83 98 98 850mb Dir: 199 202 186 199 217 230 208 222 282 281 286 239 241 236 244 850mb Speed(kt): 36 27 28 36 46 26 42 31 16 11 7 13 24 43 53 800mb GPH (m): 1847 1843 1795 1768 1788 1826 1819 1832 1866 1904 1923 1932 1925 1918 1899 800mb Temp (C): 0.6 -1.5 -0.7 -1.0 -0.9 -5.1 -4.4 -5.5 -6.4 -7.3 -8.0 -7.5 -6.7 -3.7 -1.9 800mb Dewpt(C): 0.2 -2.1 -0.9 -1.3 -1.1 -5.9 -4.7 -6.8 -6.7 -14.2 -8.9 -11.4 -12.2 -3.9 -2.2 800mb RH (%): 97 96 99 98 98 94 98 91 98 58 94 74 65 98 98 800mb Dir: 195 204 188 219 222 228 217 221 270 283 282 248 247 257 257 800mb Speed(kt): 38 23 38 44 39 30 41 31 19 14 11 19 30 42 56 750mb GPH (m): 2363 2355 2309 2281 2301 2330 2324 2335 2367 2404 2421 2432 2427 2425 2409 750mb Temp (C): -2.3 -4.1 -3.6 -3.4 -3.5 -7.7 -7.5 -9.1 -10.5 -10.1 -11.2 -9.1 -7.3 -6.5 -5.2 750mb Dewpt(C): -2.4 -5.0 -3.8 -3.7 -3.9 -10.5 -8.1 -10.0 -10.8 -19.4 -13.6 -25.3 -20.8 -6.8 -5.5 750mb RH (%): 99 93 98 98 97 81 96 93 97 47 82 26 33 98 98 750mb Dir: 193 204 200 230 222 234 220 223 261 272 268 260 257 266 268 750mb Speed(kt): 32 25 52 35 37 29 38 30 23 17 16 23 36 42 47 700mb GPH (m): 2908 2896 2850 2824 2843 2864 2859 2864 2895 2932 2948 2967 2961 2961 2947 700mb Temp (C): -5.5 -7.3 -7.3 -6.3 -6.5 -10.4 -10.2 -12.9 -13.3 -13.1 -13.4 -8.1 -8.8 -8.2 -8.5 700mb Dewpt(C): -5.8 -9.2 -7.8 -6.9 -7.2 -14.3 -11.2 -13.3 -15.3 -23.7 -22.7 -50.8 -9.9 -8.7 -9.1 700mb RH (%): 98 87 96 95 95 73 92 97 85 41 46 2 92 96 96 700mb Dir: 190 199 204 232 223 237 214 221 254 265 265 271 262 267 264 700mb Speed(kt): 36 29 53 27 39 33 34 32 30 19 22 24 41 47 47 650mb GPH (m): 3485 3469 3424 3399 3419 3430 3426 3425 3454 3492 3509 3537 3537 3536 3518 650mb Temp (C): -9.4 -10.9 -10.7 -9.9 -10.0 -13.9 -13.6 -17.1 -17.5 -16.8 -15.6 -11.8 -8.2 -9.5 -12.6 650mb Dewpt(C): -10.1 -13.5 -11.4 -11.0 -11.1 -17.9 -15.9 -21.0 -21.2 -25.4 -44.2 -37.8 -9.2 -10.0 -13.6 650mb RH (%): 95 81 94 92 92 72 83 72 73 48 7 10 92 96 92 650mb Dir: 192 197 205 229 224 234 215 223 252 267 267 281 272 270 266 650mb Speed(kt): 33 32 52 25 40 38 37 34 31 20 22 25 47 55 49 600mb GPH (m): 4099 4079 4034 4011 4030 4032 4029 4019 4048 4087 4108 4146 4155 4150 4125 600mb Temp (C): -13.5 -15.0 -14.6 -14.2 -14.4 -18.8 -18.2 -21.8 -22.0 -21.3 -19.3 -14.6 -11.2 -13.0 -15.6 600mb Dewpt(C): -14.7 -17.0 -15.6 -15.7 -15.9 -20.4 -20.8 -27.6 -25.8 -30.8 -55.6 -19.0 -12.5 -13.9 -16.8 600mb RH (%): 91 85 92 88 89 87 80 60 72 43 3 70 90 93 91 600mb Dir: 195 196 201 225 222 231 214 224 252 266 276 290 280 274 258 600mb Speed(kt): 35 37 54 31 41 42 39 36 29 21 21 28 51 60 53 550mb GPH (m): 4755 4731 4687 4666 4684 4675 4673 4653 4681 4723 4751 4805 4819 4808 4776 550mb Temp (C): -18.0 -19.7 -19.3 -18.6 -18.9 -22.9 -22.8 -26.2 -27.3 -25.9 -21.7 -15.6 -14.9 -17.0 -19.3 550mb Dewpt(C): -20.0 -22.1 -20.8 -20.5 -20.7 -26.9 -25.2 -41.3 -30.7 -38.7 -56.5 -17.8 -16.7 -18.5 -21.2 550mb RH (%): 85 81 88 85 86 71 81 24 74 30 3 84 86 89 85 550mb Dir: 195 198 201 224 218 225 214 225 250 265 294 313 283 276 263 550mb Speed(kt): 40 39 55 39 38 48 38 37 29 22 19 33 54 62 58 500mb GPH (m): 5459 5430 5387 5368 5386 5366 5361 5336 5357 5404 5449 5520 5533 5518 5481 500mb Temp (C): -23.0 -25.2 -25.1 -23.8 -24.0 -27.5 -29.2 -30.5 -33.6 -31.2 -23.4 -18.8 -18.9 -20.1 -21.5 500mb Dewpt(C): -26.3 -27.9 -27.7 -26.3 -26.0 -29.8 -32.0 -48.5 -37.5 -45.1 -56.5 -22.9 -21.2 -21.9 -23.4 500mb RH (%): 75 79 79 80 84 81 77 17 69 26 4 70 82 86 85 500mb Dir: 198 198 202 222 214 220 216 219 252 262 336 326 290 269 267 500mb Speed(kt): 38 39 54 47 38 53 46 46 27 22 21 36 50 63 75 450mb GPH (m): 6223 6184 6143 6128 6144 6117 6105 6077 6087 6143 6218 6296 6310 6294 6251 450mb Temp (C): -28.2 -31.7 -31.4 -30.0 -31.1 -32.4 -34.1 -34.8 -39.0 -35.7 -24.2 -24.8 -24.0 -23.5 -25.2 450mb Dewpt(C): -32.3 -34.8 -34.7 -33.1 -33.7 -37.0 -40.6 -52.4 -45.7 -53.1 -42.5 -28.7 -26.8 -25.7 -27.6 450mb RH (%): 68 75 73 74 78 64 53 16 51 16 18 71 78 82 80 450mb Dir: 193 202 197 218 214 217 217 214 255 271 5 334 292 272 273 450mb Speed(kt): 43 41 47 48 42 51 52 56 28 19 48 42 55 65 80 400mb GPH (m): 7056 7003 6963 6954 6966 6936 6920 6890 6887 6954 7066 7142 7159 7147 7098 400mb Temp (C): -35.2 -39.2 -39.0 -36.7 -37.4 -38.5 -39.4 -39.7 -42.0 -39.7 -30.9 -30.6 -29.5 -28.1 -30.1 400mb Dewpt(C): -38.4 -42.9 -42.7 -42.1 -41.6 -46.1 -44.1 -55.0 -57.0 -58.7 -35.7 -34.4 -33.2 -30.8 -33.1 400mb RH (%): 74 69 69 59 66 46 62 20 20 13 64 70 71 78 75 400mb Dir: 188 203 183 218 215 218 217 214 250 300 356 321 301 280 281 400mb Speed(kt): 56 46 33 57 49 52 59 60 37 18 59 46 70 79 102 350mb GPH (m): 7968 7905 7860 7866 7873 7838 7818 7790 7785 7858 7999 8075 8098 8091 8036 350mb Temp (C): -43.5 -44.1 -47.3 -42.7 -44.7 -45.6 -47.1 -45.2 -45.0 -44.0 -37.6 -38.0 -35.6 -35.2 -36.3 350mb Dewpt(C): -48.1 -55.3 -51.3 -54.8 -48.8 -50.7 -49.8 -58.4 -64.4 -64.2 -45.9 -45.5 -43.8 -38.7 -39.8 350mb RH (%): 62 29 65 27 65 58 75 23 11 10 43 47 44 71 71 350mb Dir: 189 207 190 236 212 213 215 215 252 331 353 332 309 283 281 350mb Speed(kt): 71 54 36 63 53 52 69 56 37 22 68 43 74 84 114 300mb GPH (m): 8990 8933 8871 8891 8888 8852 8825 8813 8810 8885 9045 9118 9152 9144 9084 300mb Temp (C): -48.6 -47.1 -49.6 -50.0 -51.3 -50.2 -51.5 -47.4 -46.6 -46.4 -45.7 -45.8 -44.1 -44.9 -45.5 300mb Dewpt(C): -60.3 -67.8 -61.7 -55.5 -55.2 -59.2 -63.8 -72.3 -70.5 -70.5 -51.3 -49.7 -52.2 -48.4 -49.2 300mb RH (%): 27 9 25 54 64 36 24 5 6 6 55 66 42 69 67 300mb Dir: 193 206 199 234 214 217 217 219 260 335 351 331 311 290 280 300mb Speed(kt): 76 58 49 62 55 47 61 52 27 34 71 82 77 84 115 250mb GPH (m): 10184 10126 10063 10066 10065 10035 10010 10013 10019 10091 10232 10308 10345 10333 10273 250mb Temp (C): -50.2 -50.9 -49.8 -53.0 -52.5 -51.6 -50.0 -48.1 -46.7 -48.3 -54.4 -54.5 -55.0 -54.7 -55.3 250mb Dewpt(C): -85.3 -76.0 -73.0 -67.8 -73.5 -74.3 -73.5 -75.6 -78.8 -76.7 -61.0 -58.3 -59.3 -58.7 -59.7 250mb RH (%): 1 4 6 17 8 6 6 4 2 3 47 64 61 63 60 250mb Dir: 201 205 205 242 215 218 219 229 265 340 350 334 315 296 286 250mb Speed(kt): 59 56 49 50 51 43 52 43 24 39 80 108 90 92 115 200mb GPH (m): 11625 11574 11521 11511 11507 11489 11471 11481 11495 11554 11645 11715 11737 11734 11681 200mb Temp (C): -54.1 -51.5 -49.4 -51.0 -51.4 -49.2 -49.2 -48.4 -47.6 -49.2 -57.0 -60.6 -59.4 -60.0 -57.7 200mb Dewpt(C): -79.8 -79.2 -80.5 -81.8 -80.1 -84.9 -80.6 -84.5 -83.9 -80.3 -72.9 -71.5 -71.7 -70.8 -73.1 200mb RH (%): 4 3 2 2 3 1 2 1 1 2 14 25 21 26 15 200mb Dir: 185 199 212 228 223 223 233 246 280 334 349 339 312 302 289 200mb Speed(kt): 62 49 41 38 47 43 40 30 23 31 62 60 46 89 87 150mb GPH (m): 13485 13444 13396 13382 13373 13372 13354 13365 13379 13426 13477 13534 13541 13552 13519 150mb Temp (C): -53.0 -51.0 -51.1 -50.7 -51.7 -50.2 -49.8 -50.3 -50.7 -52.7 -55.0 -57.0 -55.2 -55.1 -51.3 150mb Dewpt(C): -87.8 -86.3 -86.4 -86.1 -82.2 -85.7 -85.4 -85.8 -86.1 -87.5 -88.6 -85.7 -84.6 -84.7 -86.5 150mb RH (%): 1 1 1 1 2 1 1 1 1 1 1 2 2 2 1 150mb Dir: 215 215 223 236 236 236 240 244 282 334 328 322 291 292 272 150mb Speed(kt): 42 40 43 36 36 33 32 23 21 22 27 37 41 46 55 100mb GPH (m): 16079 16057 16019 16004 15991 15997 15989 15997 16005 16033 16059 16097 16105 16127 16108 100mb Temp (C): -56.4 -55.0 -54.1 -53.6 -54.0 -53.4 -52.5 -52.7 -52.8 -53.5 -56.1 -57.6 -58.9 -58.8 -59.3 100mb Dewpt(C): -90.1 -97.6 -88.5 -88.1 -88.4 -88.2 -87.4 -87.5 -87.6 -88.1 -89.9 -90.9 -92.0 -91.7 -91.4 100mb RH (%): 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 100mb Dir: 224 204 229 219 243 232 240 247 274 286 312 319 310 291 275 100mb Speed(kt): 28 26 29 29 26 23 25 19 15 12 21 25 26 33 35