Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z DEC 11, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 994.9 994.9 995.4 997.3 998.2 998.4 998.1 997.7 995.9 994.9 993.3 991.5 988.6 990.5 991.7 Mean SLP (mb): 1019.2 1019.3 1019.9 1021.8 1022.7 1022.9 1022.6 1022.2 1020.5 1019.6 1018.1 1016.3 1013.0 1015.2 1016.5 2m agl Tmp (F): 57.2 54.4 53.1 52.9 53.7 53.3 53.2 53.5 52.7 48.9 45.6 45.9 54.7 48.5 47.0 2m agl Dewpt(F): 55.3 53.7 52.4 52.4 53.1 51.8 51.4 52.4 50.9 46.0 42.7 43.4 49.4 41.3 38.7 2m agl RH (%): 93 97 98 98 98 95 93 96 93 90 89 91 82 76 73 10m agl Dir: 205 216 220 223 205 182 130 209 103 84 77 77 114 142 158 10m agl Spd(kt): 9 12 9 8 6 4 1 1 1 2 4 4 4 4 3 6hr Precip (in): 0.00 0.13 0.24 0.23 0.13 0.06 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.13 0.38 0.60 0.74 0.80 0.82 0.82 0.82 0.83 0.83 0.83 0.83 0.83 0.83 Sfc CAPE (J/kg): 7.9 0.2 0.0 0.0 0.1 0.3 2.8 21.8 7.3 0.0 0.3 0.1 0.0 0.0 0.0 Sfc CINH (J/kg): -3.1 0.0 0.0 0.0 0.0 -2.0 -42.1 -2.8 -3.9 -0.4 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 318.0 328.1 289.2 256.6 196.7 138.2 196.2 152.5 189.3 231.4 191.9 129.3 203.7 227.3 208.8 Precip H20 (in): 0.92 1.02 1.01 0.98 0.99 0.87 0.69 0.58 0.51 0.48 0.44 0.39 0.37 0.47 0.63 Lifted Index(C): 6.4 5.5 5.4 4.9 7.6 8.1 8.7 9.6 10.6 11.9 11.8 9.5 7.6 9.4 9.2 700mb VV(-ub/s): 0.8 -2.9 0.1 -0.8 -2.1 -1.2 -0.7 1.0 1.1 1.9 1.6 1.3 2.2 2.5 2.7 Thk1000-500mb(m)5571.3 5560.7 5556.3 5553.9 5551.7 5559.4 5567.3 5575.4 5575.5 5581.5 5580.6 5582.6 5584.8 5548.6 5528.9 Thk1000-850mb(m)1354.4 1353.9 1352.0 1350.2 1349.8 1350.4 1346.8 1341.3 1342.6 1344.7 1352.1 1364.5 1369.4 1353.4 1344.6 Thk850-700mb(m):1580.0 1572.3 1573.3 1571.2 1569.7 1575.1 1579.7 1591.0 1590.2 1590.5 1590.0 1591.5 1591.4 1582.0 1574.4 SWEAT Index: 285.0 224.3 222.7 214.8 167.8 134.7 100.4 83.7 98.1 93.6 76.2 64.5 159.8 181.3 133.8 Total Totals Idx 38.2 40.2 41.0 41.1 37.4 37.0 34.7 32.5 30.9 29.3 30.4 34.4 36.2 33.6 34.9 Frz Hgt(ft amsl) 11108 9859 9087 9071 9759 10194 11606 12073 12154 12508 11824 11347 11353 10320 9346 0WetBlbHgt(amsl) 8236 8683 8906 8855 8758 9088 6776 6507 6842 6478 6686 7123 7046 6623 7542 Equil Prs (mb): 892 995 995 997 998 998 998 860 897 995 993 992 989 990 992 Equil Hgt(amsl): 3677 26 26 26 26 26 26 4688 3508 26 26 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: 31.6 25.6 32.6 24.0 22.6 23.6 28.0 29.6 27.2 56.7 54.3 55.2 58.8 55.8 49.5 Showalter Index: 6.6 5.6 5.1 5.0 7.6 7.8 9.8 11.6 11.8 12.4 11.8 9.6 8.3 10.1 10.1 Cap Strength(C): 3.8 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 8.1 5.6 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 289 294 298 303 310 305 315 314 313 309 297 272 257 261 265 Storm Spd (kts): 33 33 31 27 21 16 18 20 23 22 19 17 22 27 26 2m HeatIndex(F): 57 54 53 53 54 53 53 53 53 49 46 46 55 48 47 2m WindChill(F): 57 54 53 53 54 53 53 53 53 49 46 46 55 48 47 1000mb GPH (m): 160 161 165 181 189 190 187 184 169 161 148 133 107 124 134 950mb GPH (m): 592 590 594 609 618 619 616 612 596 587 573 562 539 552 560 950mb Temp (C): 11.6 10.8 10.4 10.2 10.3 10.5 10.4 9.5 9.1 8.5 8.8 15.3 14.9 11.4 9.0 950mb Dewpt(C): 11.3 10.7 10.3 10.1 10.1 10.2 10.1 8.8 7.4 7.4 5.6 -4.7 -3.0 1.7 2.5 950mb RH (%): 98 99 99 99 98 98 98 96 89 93 80 24 28 51 63 950mb Dir: 214 220 226 228 224 233 318 311 267 220 141 144 155 203 204 950mb Speed(kt): 24 31 27 26 20 13 8 5 1 1 4 8 9 18 17 900mb GPH (m): 1042 1042 1044 1058 1067 1069 1065 1059 1043 1033 1023 1018 997 1002 1007 900mb Temp (C): 9.1 10.0 9.5 8.9 8.9 9.0 7.8 6.3 6.1 7.0 11.9 14.0 15.1 11.4 9.1 900mb Dewpt(C): 8.8 9.8 9.2 8.6 8.6 8.3 7.6 5.6 4.6 3.2 -4.6 -3.4 -7.0 -6.3 -3.9 900mb RH (%): 98 99 98 98 98 95 98 95 90 76 31 29 21 28 39 900mb Dir: 225 244 254 253 265 258 306 282 253 239 229 195 206 216 217 900mb Speed(kt): 31 44 37 32 24 13 7 4 6 9 12 9 15 26 23 850mb GPH (m): 1515 1515 1517 1531 1538 1540 1534 1525 1512 1506 1500 1497 1477 1477 1479 850mb Temp (C): 7.1 7.2 7.3 7.4 6.1 6.1 5.0 4.8 9.5 9.8 10.2 11.0 12.2 9.7 8.2 850mb Dewpt(C): 6.8 6.9 7.0 7.1 5.8 5.7 3.6 0.7 -6.1 -7.5 -6.5 -7.4 -8.8 -8.2 -5.6 850mb RH (%): 98 98 98 98 98 97 90 75 32 28 30 26 22 27 37 850mb Dir: 244 255 257 266 274 272 246 274 282 275 270 229 212 222 235 850mb Speed(kt): 35 40 38 35 25 11 5 12 22 23 17 9 19 30 30 800mb GPH (m): 2012 2012 2015 2028 2033 2034 2027 2025 2013 2006 2001 1999 1980 1977 1976 800mb Temp (C): 4.9 4.0 5.0 4.5 3.7 3.0 4.1 9.8 7.6 7.6 7.7 8.4 8.5 7.0 5.2 800mb Dewpt(C): 4.0 3.7 4.7 4.2 3.3 1.9 -4.2 -24.2 -10.2 -12.8 -11.2 -10.1 -9.7 -9.6 -4.6 800mb RH (%): 94 98 98 98 97 92 55 7 27 22 25 26 26 29 49 800mb Dir: 260 268 268 279 285 281 267 284 286 278 277 253 217 224 239 800mb Speed(kt): 40 38 38 31 24 11 16 29 31 29 23 14 22 34 36 750mb GPH (m): 2537 2534 2538 2550 2555 2559 2555 2555 2542 2535 2530 2529 2509 2504 2500 750mb Temp (C): 3.4 1.2 1.2 0.9 0.8 3.5 5.7 6.1 5.6 5.9 5.3 5.4 5.2 3.5 2.2 750mb Dewpt(C): -4.4 0.1 0.9 0.6 0.2 -0.8 -19.6 -16.4 -19.0 -21.5 -16.7 -13.7 -14.9 -14.0 -3.5 750mb RH (%): 56 93 98 98 96 73 14 18 15 12 19 24 22 27 66 750mb Dir: 265 278 279 282 291 270 273 276 282 280 274 256 223 227 238 750mb Speed(kt): 49 41 36 29 21 18 26 29 35 35 28 21 26 37 40 700mb GPH (m): 3095 3087 3091 3102 3108 3115 3114 3117 3102 3096 3090 3089 3068 3059 3054 700mb Temp (C): 1.7 -0.2 -1.6 -1.4 -0.2 -0.1 2.2 3.2 3.1 3.9 3.4 2.5 2.4 0.5 -1.3 700mb Dewpt(C): -15.4 -5.6 -2.7 -2.6 -3.4 -4.7 -24.4 -22.0 -26.8 -26.3 -21.8 -17.6 -20.5 -17.8 -2.6 700mb RH (%): 27 67 92 91 79 71 12 14 9 9 14 21 17 24 91 700mb Dir: 267 278 278 285 297 270 280 282 283 281 272 251 231 234 241 700mb Speed(kt): 53 47 38 31 26 23 31 31 39 39 33 29 32 40 46 650mb GPH (m): 3688 3679 3679 3689 3699 3706 3708 3712 3698 3695 3686 3683 3662 3650 3641 650mb Temp (C): -1.8 -1.4 -2.3 -3.2 -2.7 -1.9 -0.9 -0.2 0.0 0.9 -0.5 -1.5 -1.2 -2.8 -5.1 650mb Dewpt(C): -19.1 -17.6 -14.8 -12.3 -6.9 -27.1 -27.7 -26.5 -32.6 -27.8 -22.8 -20.7 -21.5 -20.6 -6.6 650mb RH (%): 26 28 38 49 73 13 11 12 7 10 17 22 20 24 89 650mb Dir: 270 273 273 283 297 280 285 284 285 283 270 247 237 237 241 650mb Speed(kt): 55 54 48 40 36 32 37 37 45 44 35 32 38 45 51 600mb GPH (m): 4318 4312 4312 4322 4329 4338 4341 4348 4333 4331 4319 4314 4294 4278 4265 600mb Temp (C): -5.9 -5.1 -4.6 -3.9 -5.5 -5.0 -4.5 -3.7 -3.6 -3.8 -4.9 -5.9 -5.9 -6.9 -7.4 600mb Dewpt(C): -23.9 -15.4 -22.4 -31.9 -16.9 -34.4 -31.2 -29.5 -41.0 -25.3 -28.6 -26.6 -27.5 -20.1 -21.1 600mb RH (%): 23 45 24 10 41 8 11 12 4 17 14 18 17 34 33 600mb Dir: 270 273 274 281 288 282 288 284 285 283 266 246 237 238 239 600mb Speed(kt): 58 60 58 53 41 36 44 44 51 46 36 36 46 51 49 550mb GPH (m): 4996 4990 4991 5003 5008 5016 5021 5028 5014 5012 4998 4989 4969 4951 4938 550mb Temp (C): -7.7 -9.0 -8.8 -8.1 -8.4 -8.3 -7.8 -8.3 -8.2 -8.2 -8.6 -10.2 -10.7 -12.1 -10.5 550mb Dewpt(C): -36.1 -19.6 -23.5 -30.8 -32.6 -42.1 -34.7 -29.6 -35.7 -33.1 -35.7 -30.1 -32.8 -18.8 -31.8 550mb RH (%): 9 42 30 15 13 5 10 17 9 12 10 18 15 58 16 550mb Dir: 268 271 277 280 285 283 289 286 283 281 265 244 234 237 234 550mb Speed(kt): 61 60 62 57 46 39 48 50 52 48 40 44 51 56 45 500mb GPH (m): 5732 5722 5722 5735 5740 5749 5755 5760 5745 5743 5729 5715 5692 5673 5663 500mb Temp (C): -12.1 -13.0 -13.4 -13.3 -12.7 -12.6 -13.0 -13.5 -13.7 -13.5 -13.3 -15.4 -16.4 -16.0 -16.2 500mb Dewpt(C): -20.2 -25.2 -30.3 -29.3 -39.3 -37.6 -27.5 -37.9 -33.1 -35.5 -41.1 -35.7 -31.5 -18.0 -25.7 500mb RH (%): 52 36 23 25 9 11 29 11 18 14 8 17 27 85 44 500mb Dir: 264 271 278 279 283 285 289 288 283 280 267 241 233 241 240 500mb Speed(kt): 65 61 63 59 48 44 48 52 54 48 42 46 53 55 39 450mb GPH (m): 6528 6517 6515 6528 6534 6544 6547 6551 6536 6535 6521 6503 6475 6457 6447 450mb Temp (C): -17.9 -18.0 -18.6 -18.7 -18.7 -19.2 -19.9 -19.5 -19.5 -19.0 -19.3 -20.4 -22.1 -21.6 -21.2 450mb Dewpt(C): -22.4 -26.0 -27.2 -30.7 -35.1 -30.5 -27.0 -38.3 -40.7 -37.4 -40.0 -44.3 -38.5 -29.5 -34.6 450mb RH (%): 68 50 47 35 23 37 54 18 14 19 15 11 22 50 30 450mb Dir: 260 268 279 280 283 285 291 288 283 280 268 236 233 241 240 450mb Speed(kt): 67 65 67 60 51 45 48 52 55 51 45 48 54 50 47 400mb GPH (m): 7396 7385 7381 7393 7399 7405 7407 7413 7398 7398 7382 7362 7329 7312 7304 400mb Temp (C): -24.8 -24.9 -25.4 -25.2 -25.8 -27.0 -27.0 -26.1 -26.4 -25.9 -26.7 -27.5 -28.6 -28.8 -28.1 400mb Dewpt(C): -27.8 -28.9 -31.5 -32.4 -36.0 -30.5 -32.6 -41.4 -37.4 -33.6 -34.8 -44.9 -43.9 -40.9 -38.7 400mb RH (%): 77 70 58 52 39 72 60 24 36 50 47 19 23 32 37 400mb Dir: 263 270 277 281 281 285 290 287 281 279 266 230 233 245 244 400mb Speed(kt): 69 67 71 62 51 42 45 51 57 51 42 48 56 49 46 350mb GPH (m): 8351 8338 8335 8348 8351 8356 8356 8363 8348 8350 8330 8307 8269 8251 8246 350mb Temp (C): -32.5 -32.8 -32.5 -32.0 -32.7 -32.4 -33.3 -33.3 -33.1 -33.2 -34.1 -35.1 -36.3 -36.3 -36.4 350mb Dewpt(C): -36.6 -36.4 -36.9 -43.0 -40.9 -43.8 -37.6 -38.2 -36.9 -37.4 -39.1 -47.4 -52.5 -40.6 -41.5 350mb RH (%): 68 71 66 34 45 33 66 62 70 66 62 29 19 66 60 350mb Dir: 267 269 276 281 281 284 288 290 280 286 260 225 234 243 252 350mb Speed(kt): 73 67 70 61 49 40 43 49 54 46 36 45 53 57 46 300mb GPH (m): 9419 9407 9404 9417 9418 9423 9422 9428 9416 9417 9391 9359 9322 9301 9293 300mb Temp (C): -40.8 -40.1 -40.2 -40.5 -40.8 -41.4 -41.1 -41.1 -40.8 -41.2 -42.1 -44.5 -43.7 -44.9 -46.1 300mb Dewpt(C): -45.6 -43.8 -44.0 -44.7 -45.3 -46.0 -44.8 -45.1 -44.5 -46.0 -46.8 -50.3 -53.8 -48.7 -50.5 300mb RH (%): 61 69 68 65 63 62 69 66 68 61 61 54 34 67 62 300mb Dir: 273 272 275 281 277 280 293 288 292 281 245 218 241 237 261 300mb Speed(kt): 72 68 67 60 48 42 40 45 49 36 33 35 41 62 55 250mb GPH (m): 10632 10624 10622 10635 10633 10635 10631 10636 10625 10625 10599 10560 10521 10491 10476 250mb Temp (C): -50.6 -50.1 -50.1 -50.2 -50.4 -50.6 -51.8 -52.4 -52.1 -52.1 -51.5 -50.8 -51.6 -53.5 -55.7 250mb Dewpt(C): -57.5 -54.3 -54.0 -54.2 -55.1 -56.3 -55.6 -56.9 -56.4 -59.2 -60.4 -67.0 -60.8 -61.5 -60.1 250mb RH (%): 45 63 65 65 60 53 66 60 61 44 36 15 35 39 59 250mb Dir: 271 271 275 275 274 279 289 298 289 287 261 218 240 233 263 250mb Speed(kt): 75 75 71 61 58 51 47 52 46 39 30 33 39 59 61 200mb GPH (m): 12047 12046 12041 12051 12050 12053 12040 12042 12029 12032 12008 11990 11958 11923 11897 200mb Temp (C): -61.7 -60.0 -60.6 -61.1 -61.3 -61.1 -61.1 -60.7 -60.6 -60.1 -59.9 -56.0 -52.6 -51.8 -54.2 200mb Dewpt(C): -67.9 -64.6 -63.6 -65.1 -63.5 -65.8 -65.2 -66.5 -66.8 -66.2 -66.3 -72.0 -80.0 -77.7 -79.4 200mb RH (%): 47 57 69 61 76 56 61 49 46 47 46 14 3 4 4 200mb Dir: 272 275 274 274 280 286 283 295 289 293 277 246 238 237 247 200mb Speed(kt): 82 78 73 70 68 61 60 54 53 45 34 36 51 62 61 150mb GPH (m): 13829 13837 13829 13836 13828 13834 13827 13836 13827 13832 13809 13823 13810 13790 13758 150mb Temp (C): -59.7 -60.4 -60.9 -60.6 -60.7 -61.2 -60.9 -60.3 -60.8 -60.3 -58.8 -56.5 -55.5 -52.5 -52.8 150mb Dewpt(C): -83.6 -81.5 -84.4 -87.5 -86.3 -84.9 -83.2 -81.6 -81.9 -83.0 -85.1 -90.4 -89.5 -87.4 -83.1 150mb RH (%): 4 6 4 2 3 4 5 6 6 5 3 1 1 1 2 150mb Dir: 279 279 289 290 290 291 294 296 292 291 291 285 259 247 250 150mb Speed(kt): 59 57 61 58 66 64 59 53 50 48 46 37 37 51 58 100mb GPH (m): 16321 16321 16316 16323 16320 16328 16320 16339 16321 16336 16325 16350 16345 16348 16338 100mb Temp (C): -66.6 -67.1 -66.0 -65.5 -65.1 -64.5 -64.3 -64.7 -65.4 -64.5 -64.0 -63.0 -62.9 -61.1 -60.3 100mb Dewpt(C): -87.9 -87.2 -88.6 -88.4 -89.8 -89.3 -89.1 -89.5 -88.4 -89.3 -88.9 -90.9 -90.6 -93.3 -93.3 100mb RH (%): 5 6 4 4 3 3 3 3 4 3 3 2 2 1 1 100mb Dir: 289 287 293 292 301 302 301 307 309 316 303 301 273 273 270 100mb Speed(kt): 44 38 39 43 50 51 57 48 53 49 42 32 33 31 40