Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z JAN 4, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 971.1 978.3 977.2 980.6 984.5 989.7 992.7 994.5 993.9 992.4 988.9 991.3 994.2 993.6 987.8 Mean SLP (mb): 995.4 1002.9 1001.7 1005.3 1009.3 1014.7 1017.7 1019.7 1019.1 1017.5 1013.9 1016.3 1019.4 1018.8 1012.8 2m agl Tmp (F): 46.5 45.1 43.6 42.1 41.3 41.3 41.5 39.3 37.9 38.4 39.4 39.6 38.8 38.2 39.5 2m agl Dewpt(F): 44.9 43.5 42.6 40.4 40.5 40.7 39.4 38.5 36.6 36.0 37.4 38.9 38.0 36.7 37.4 2m agl RH (%): 94 94 96 94 97 98 92 97 95 91 92 97 97 94 92 10m agl Dir: 119 204 187 190 225 220 286 205 195 192 198 247 204 192 191 10m agl Spd(kt): 7 10 9 8 5 4 2 1 8 12 14 6 5 9 13 6hr Precip (in): 0.00 0.24 0.15 0.07 0.06 0.03 0.03 0.01 0.01 0.12 0.25 0.53 0.03 0.01 0.11 AccumPrecip(in): 0.00 0.24 0.39 0.46 0.52 0.54 0.57 0.58 0.59 0.71 0.96 1.49 1.53 1.53 1.64 Sfc CAPE (J/kg): 0.0 83.8 57.8 32.3 61.5 86.8 46.7 4.5 5.1 0.9 0.0 4.2 52.6 14.9 4.6 Sfc CINH (J/kg): -0.1 0.0 -0.1 -2.5 -4.9 0.0 0.0 -16.7 0.0 0.0 -0.7 -0.3 0.0 0.0 -9.5 0-3km Hel(J/kg): 376.3 121.1 198.8 151.5 66.3 37.2 12.6 126.0 249.2 483.6 571.4 118.6 123.3 218.6 469.5 Precip H20 (in): 0.74 0.51 0.55 0.48 0.44 0.44 0.41 0.47 0.57 0.65 0.64 0.44 0.34 0.39 0.47 Lifted Index(C): 0.7 2.3 2.4 3.0 2.6 3.2 10.8 15.6 17.1 11.4 6.8 5.8 6.2 6.5 4.2 700mb VV(-ub/s): 15.1 1.0 7.9 2.3 0.9 -2.9 0.6 -0.8 -0.8 7.6 11.4 13.1 -1.4 4.8 18.0 Thk1000-500mb(m)5426.4 5348.7 5343.1 5304.3 5287.6 5286.5 5309.5 5367.4 5393.8 5393.8 5379.0 5316.2 5297.4 5275.0 5291.8 Thk1000-850mb(m)1334.6 1319.6 1316.3 1312.5 1309.6 1307.6 1304.5 1305.4 1300.1 1303.2 1313.1 1308.3 1298.1 1297.9 1303.9 Thk850-700mb(m):1547.5 1522.5 1521.7 1512.6 1507.6 1505.0 1505.1 1506.5 1516.3 1527.1 1533.2 1509.2 1509.2 1500.2 1503.6 SWEAT Index: 329.7 151.2 223.6 202.4 166.6 127.0 48.7 66.4 211.8 235.8 254.2 111.7 76.5 195.2 333.0 Total Totals Idx 53.3 51.7 53.4 53.7 54.1 53.3 37.8 28.4 27.0 36.1 44.3 48.4 46.8 49.0 53.6 Frz Hgt(ft amsl) 5824 3940 3610 3364 3180 3029 2801 3237 2285 2646 5010 3229 2347 2239 2667 0WetBlbHgt(amsl) 5759 3748 3532 3294 3044 2980 2622 3131 2185 2529 4915 3174 2243 2185 2598 Equil Prs (mb): 971 574 689 569 542 622 676 793 994 992 989 991 796 834 729 Equil Hgt(amsl): 26 14324 9757 14483 15714 12539 10555 6600 26 26 26 26 6461 5256 8542 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: 30.4 28.5 24.8 26.1 22.5 16.9 18.0 18.6 23.1 27.6 15.5 26.2 22.1 23.2 25.5 Showalter Index: 1.3 4.0 3.1 3.3 3.6 4.1 12.0 16.8 17.6 12.3 6.9 6.4 8.2 6.9 4.1 Cap Strength(C):-999.9 0.0 0.0 -0.2 -0.4 -1.1 -0.6 0.9 0.0 -999.9 -999.9 -999.9 3.5 1.2 0.1 Storm Dir (deg): 242 255 245 260 280 300 331 313 293 285 283 295 302 280 274 Storm Spd (kts): 28 24 26 23 15 9 11 15 25 33 37 28 21 26 30 2m HeatIndex(F): 46 45 44 42 41 41 42 39 38 38 39 40 39 38 40 2m WindChill(F): 46 45 44 42 41 41 42 39 31 30 31 35 34 31 31 1000mb GPH (m): -38 23 14 43 76 119 144 159 154 141 112 132 156 152 103 950mb GPH (m): 385 445 434 462 494 536 560 575 568 556 528 549 571 566 520 950mb Temp (C): 8.5 5.3 4.9 3.8 3.4 2.7 1.9 2.1 0.6 1.1 2.2 3.0 1.1 0.8 1.7 950mb Dewpt(C): 6.9 5.0 4.6 3.5 3.1 2.4 1.5 1.8 0.3 0.8 1.9 2.6 0.6 0.5 1.5 950mb RH (%): 90 98 98 98 98 97 97 98 98 98 98 97 96 98 98 950mb Dir: 153 206 192 195 232 233 279 218 205 199 202 254 215 201 196 950mb Speed(kt): 11 17 16 16 12 9 3 11 21 28 29 18 13 22 27 900mb GPH (m): 831 884 873 899 930 972 994 1009 1001 989 965 985 1003 998 953 900mb Temp (C): 6.1 2.1 1.2 0.8 0.3 -0.3 -0.9 -0.1 -1.4 -0.8 2.1 0.0 -2.2 -2.1 -0.8 900mb Dewpt(C): 5.8 1.5 0.9 0.5 -0.3 -0.5 -1.8 -0.5 -1.5 -1.1 1.9 -0.2 -2.7 -2.2 -1.1 900mb RH (%): 98 96 98 98 96 99 93 98 99 98 98 98 97 99 98 900mb Dir: 192 221 203 217 265 251 261 221 230 217 223 302 225 214 208 900mb Speed(kt): 40 26 31 28 10 8 5 13 23 42 50 22 11 27 42 850mb GPH (m): 1296 1343 1330 1356 1385 1426 1448 1464 1454 1445 1426 1440 1455 1450 1407 850mb Temp (C): 2.8 -0.9 -1.2 -2.0 -2.8 -3.4 -3.8 -3.8 -4.0 -2.4 0.4 -3.0 -5.5 -5.0 -3.7 850mb Dewpt(C): 2.6 -1.9 -1.4 -2.2 -3.7 -3.5 -4.9 -4.7 -5.5 -2.6 0.2 -3.4 -6.6 -5.5 -4.0 850mb RH (%): 99 93 98 98 93 99 92 94 90 98 98 97 92 96 98 850mb Dir: 199 231 216 233 262 266 259 229 239 238 244 302 249 231 224 850mb Speed(kt): 48 25 41 28 13 9 9 15 25 44 54 25 12 27 46 800mb GPH (m): 1784 1824 1811 1835 1863 1903 1924 1940 1929 1925 1910 1917 1928 1924 1883 800mb Temp (C): -0.1 -3.8 -4.0 -5.3 -6.0 -6.4 -6.5 -7.1 -6.1 -3.3 -1.7 -6.3 -7.6 -7.1 -6.8 800mb Dewpt(C): -0.3 -4.9 -4.3 -5.4 -6.9 -6.8 -8.0 -8.2 -15.7 -3.6 -2.0 -6.8 -14.3 -16.0 -9.2 800mb RH (%): 98 92 97 99 93 97 89 92 47 98 98 96 59 49 83 800mb Dir: 210 226 226 233 257 267 257 243 244 258 260 285 263 250 234 800mb Speed(kt): 46 30 39 28 14 10 13 20 30 40 50 30 16 25 40 750mb GPH (m): 2299 2331 2317 2338 2364 2404 2425 2440 2433 2432 2421 2419 2430 2424 2383 750mb Temp (C): -2.5 -7.2 -7.1 -8.9 -10.3 -9.9 -9.9 -9.8 -6.5 -6.9 -5.4 -9.5 -7.2 -10.1 -11.2 750mb Dewpt(C): -2.7 -8.2 -7.8 -9.1 -10.7 -10.8 -12.7 -15.5 -22.8 -7.2 -5.7 -10.9 -38.8 -27.4 -13.8 750mb RH (%): 98 93 95 99 97 93 80 63 27 98 98 89 6 23 81 750mb Dir: 215 224 225 232 255 289 267 253 255 266 263 267 278 251 244 750mb Speed(kt): 43 30 33 28 16 11 16 24 33 44 44 35 27 29 46 700mb GPH (m): 2844 2866 2852 2869 2893 2931 2953 2971 2970 2972 2959 2949 2964 2950 2911 700mb Temp (C): -5.7 -9.4 -10.3 -12.4 -12.6 -13.7 -13.7 -10.1 -7.4 -6.6 -8.4 -11.2 -10.5 -14.7 -12.8 700mb Dewpt(C): -5.9 -20.7 -12.0 -13.6 -17.6 -15.7 -18.9 -39.1 -8.6 -6.9 -8.6 -21.8 -41.1 -18.2 -13.8 700mb RH (%): 98 40 88 91 67 85 66 8 91 98 98 42 7 75 92 700mb Dir: 219 231 221 234 257 300 268 271 263 272 267 262 276 251 259 700mb Speed(kt): 39 32 33 28 21 12 18 20 35 46 45 46 36 39 45 650mb GPH (m): 3420 3433 3419 3430 3454 3490 3513 3541 3546 3549 3530 3514 3529 3508 3474 650mb Temp (C): -10.0 -13.5 -13.9 -16.3 -17.1 -17.5 -16.4 -11.2 -8.5 -8.6 -12.2 -14.6 -14.9 -17.1 -15.4 650mb Dewpt(C): -11.0 -18.8 -16.5 -19.9 -22.7 -23.3 -30.9 -38.9 -9.9 -9.0 -12.5 -25.2 -30.4 -18.9 -16.7 650mb RH (%): 93 65 81 74 62 61 28 9 90 97 98 41 26 86 89 650mb Dir: 222 233 217 239 259 284 272 290 272 274 258 260 277 259 265 650mb Speed(kt): 40 36 35 29 22 12 16 20 42 47 53 53 42 47 40 600mb GPH (m): 4032 4036 4022 4026 4048 4085 4111 4151 4165 4166 4136 4115 4128 4104 4072 600mb Temp (C): -14.0 -18.4 -17.8 -21.0 -21.7 -20.7 -18.9 -13.6 -10.7 -11.4 -16.4 -18.9 -20.2 -20.3 -20.0 600mb Dewpt(C): -17.6 -20.9 -20.7 -31.0 -26.4 -35.9 -45.6 -25.3 -11.8 -12.5 -19.8 -29.0 -24.1 -22.3 -21.9 600mb RH (%): 74 81 78 41 66 25 8 37 91 92 75 41 71 85 85 600mb Dir: 222 231 216 241 256 280 290 303 284 265 260 256 279 270 266 600mb Speed(kt): 41 41 39 33 21 13 16 22 46 52 54 55 42 44 40 550mb GPH (m): 4686 4680 4666 4663 4682 4722 4755 4810 4830 4826 4787 4757 4767 4741 4711 550mb Temp (C): -18.7 -22.6 -22.7 -25.5 -26.8 -25.5 -21.7 -15.3 -13.9 -16.7 -18.9 -23.2 -24.2 -25.2 -24.9 550mb Dewpt(C): -21.2 -28.8 -25.9 -39.5 -36.2 -42.2 -53.0 -19.9 -15.5 -21.3 -30.7 -34.4 -30.7 -27.6 -26.9 550mb RH (%): 81 58 76 27 42 21 5 68 88 68 36 36 56 81 83 550mb Dir: 223 227 215 237 250 278 328 321 283 263 264 254 281 270 265 550mb Speed(kt): 40 45 45 40 25 15 18 27 50 60 60 57 47 45 43 500mb GPH (m): 5388 5372 5357 5348 5363 5405 5453 5526 5547 5535 5492 5448 5454 5427 5395 500mb Temp (C): -23.9 -27.3 -28.0 -28.9 -30.4 -30.1 -23.2 -18.5 -18.3 -20.6 -21.8 -27.4 -29.4 -29.8 -30.6 500mb Dewpt(C): -27.3 -39.6 -31.6 -56.8 -50.4 -49.9 -55.4 -22.8 -20.9 -36.3 -40.1 -51.3 -35.7 -32.5 -33.2 500mb RH (%): 74 31 72 6 13 14 4 69 80 24 18 9 55 78 79 500mb Dir: 222 223 214 230 244 265 357 337 283 267 264 258 280 261 263 500mb Speed(kt): 46 47 53 54 39 22 30 36 51 63 77 61 52 54 45 450mb GPH (m): 6148 6122 6104 6094 6105 6148 6223 6302 6325 6307 6259 6198 6197 6168 6132 450mb Temp (C): -30.1 -33.1 -34.2 -33.9 -35.0 -34.5 -24.3 -24.4 -23.7 -24.7 -26.6 -32.1 -35.3 -36.3 -37.8 450mb Dewpt(C): -33.0 -44.4 -38.2 -44.5 -51.5 -57.2 -43.1 -27.9 -26.5 -28.8 -31.4 -55.0 -41.0 -39.6 -40.8 450mb RH (%): 76 33 68 35 18 9 17 73 78 69 64 9 57 73 74 450mb Dir: 216 219 210 229 236 259 5 337 291 278 260 258 285 260 264 450mb Speed(kt): 49 51 51 64 50 26 49 37 52 72 83 68 62 57 51 400mb GPH (m): 6972 6938 6915 6907 6915 6962 7071 7151 7173 7158 7103 7024 7004 6971 6930 400mb Temp (C): -37.2 -39.2 -41.5 -40.5 -41.1 -38.9 -30.7 -29.8 -30.7 -28.5 -30.3 -35.3 -41.5 -43.7 -44.7 400mb Dewpt(C): -40.5 -48.4 -45.7 -45.5 -55.5 -63.3 -37.7 -35.7 -34.5 -31.3 -32.9 -60.6 -48.9 -47.1 -48.5 400mb RH (%): 72 39 65 60 21 7 52 58 70 77 79 7 46 70 67 400mb Dir: 211 214 214 229 236 282 0 324 298 280 267 262 287 259 274 400mb Speed(kt): 51 57 65 65 51 23 58 37 55 77 87 82 68 59 53 350mb GPH (m): 7879 7838 7805 7802 7809 7868 8005 8084 8107 8100 8040 7941 7901 7854 7815 350mb Temp (C): -44.6 -46.0 -47.8 -47.2 -46.7 -43.6 -37.3 -38.4 -36.8 -35.2 -36.3 -41.2 -46.0 -50.3 -48.6 350mb Dewpt(C): -48.2 -50.7 -55.5 -53.6 -63.3 -63.8 -48.9 -47.2 -40.7 -38.8 -39.7 -57.5 -63.3 -55.2 -53.4 350mb RH (%): 69 61 43 49 15 10 31 41 68 71 72 17 14 58 60 350mb Dir: 216 212 223 231 242 325 357 336 305 278 271 264 273 262 289 350mb Speed(kt): 54 59 67 61 42 25 62 49 63 72 91 86 67 66 58 300mb GPH (m): 8891 8854 8817 8817 8825 8895 9053 9127 9157 9154 9089 8975 8915 8852 8818 300mb Temp (C): -52.4 -49.3 -49.5 -48.7 -48.7 -46.7 -45.2 -46.3 -44.9 -44.8 -45.6 -46.6 -51.2 -52.2 -52.3 300mb Dewpt(C): -57.3 -61.4 -66.6 -68.2 -69.1 -68.6 -52.0 -51.5 -49.0 -48.5 -49.3 -54.7 -66.1 -66.3 -62.0 300mb RH (%): 57 25 14 10 9 8 48 57 65 68 68 41 17 19 32 300mb Dir: 221 214 230 225 254 343 356 337 312 286 271 262 265 266 293 300mb Speed(kt): 61 44 54 41 31 37 74 83 72 72 94 112 71 69 58 250mb GPH (m): 10063 10040 10009 10013 10022 10097 10243 10310 10348 10342 10276 10165 10086 10031 9996 250mb Temp (C): -52.4 -52.1 -49.6 -48.8 -48.2 -48.9 -54.7 -55.8 -55.2 -55.8 -55.0 -53.3 -54.4 -52.8 -51.3 250mb Dewpt(C): -72.2 -72.0 -74.3 -75.3 -76.9 -77.2 -60.3 -59.7 -58.9 -59.8 -58.4 -62.8 -68.9 -74.3 -75.5 250mb RH (%): 9 9 5 4 3 3 52 63 65 63 68 33 17 7 5 250mb Dir: 223 218 225 230 271 346 352 335 317 295 280 266 268 268 292 250mb Speed(kt): 52 38 45 36 25 42 89 93 77 93 100 110 78 74 58 200mb GPH (m): 11511 11486 11472 11481 11495 11559 11649 11714 11737 11734 11677 11592 11526 11482 11451 200mb Temp (C): -50.8 -50.2 -48.7 -48.1 -47.5 -49.1 -57.8 -59.9 -61.7 -61.7 -59.7 -54.0 -51.6 -49.6 -49.4 200mb Dewpt(C): -81.5 -80.9 -84.5 -84.3 -84.0 -84.4 -72.2 -72.2 -71.0 -69.8 -72.2 -79.0 -82.3 -85.5 -85.1 200mb RH (%): 2 2 1 1 1 1 17 21 31 36 21 4 2 1 1 200mb Dir: 226 229 239 243 283 339 350 332 324 290 281 273 270 270 278 200mb Speed(kt): 48 42 41 29 24 29 61 58 76 79 87 82 57 53 52 150mb GPH (m): 13381 13370 13357 13366 13382 13433 13476 13537 13535 13550 13508 13456 13395 13361 13335 150mb Temp (C): -51.6 -49.4 -49.8 -50.2 -50.7 -52.0 -55.1 -57.9 -55.1 -55.4 -51.9 -50.3 -51.2 -50.2 -49.8 150mb Dewpt(C): -86.7 -80.5 -85.4 -85.7 -86.1 -87.0 -84.7 -84.2 -84.8 -85.0 -87.1 -85.8 -86.4 -85.7 -85.4 150mb RH (%): 1 2 1 1 1 1 2 3 2 2 1 1 1 1 1 150mb Dir: 236 231 244 251 281 318 334 322 289 292 274 252 260 274 271 150mb Speed(kt): 35 32 32 23 21 20 29 36 41 42 50 47 51 45 52 100mb GPH (m): 15998 15998 15987 15998 16007 16045 16060 16100 16099 16114 16091 16063 16003 15989 15973 100mb Temp (C): -53.7 -53.7 -52.8 -52.7 -53.1 -54.1 -55.7 -57.2 -58.8 -59.1 -59.3 -57.6 -55.0 -53.4 -52.8 100mb Dewpt(C): -88.2 -83.7 -83.0 -87.5 -87.8 -88.5 -89.6 -90.7 -91.9 -87.9 -92.0 -91.0 -89.1 -88.0 -87.5 100mb RH (%): 1 2 2 1 1 1 1 1 1 2 1 1 1 1 1 100mb Dir: 247 233 239 251 277 291 298 301 305 291 279 261 267 279 279 100mb Speed(kt): 27 23 24 22 18 16 20 22 27 32 37 35 37 30 36