Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z DEC 1, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 999.9 1000.2 998.4 999.0 997.3 998.1 999.1 1001.9 1003.8 1004.3 1002.5 1003.2 1003.1 1003.3 1001.4 Mean SLP (mb): 1025.4 1025.5 1023.4 1024.1 1022.4 1023.2 1024.2 1027.0 1029.2 1029.7 1027.7 1028.6 1028.6 1028.8 1026.8 2m agl Tmp (F): 35.5 40.0 44.8 42.6 41.4 42.3 44.4 42.9 39.8 40.4 43.7 38.6 37.9 38.0 39.8 2m agl Dewpt(F): 30.8 32.4 35.7 37.9 39.6 41.7 43.0 41.7 38.8 38.9 39.4 37.4 36.9 36.6 38.0 2m agl RH (%): 83 74 70 83 93 98 95 95 96 94 85 96 96 95 93 10m agl Dir: 75 73 286 143 194 222 281 285 6 21 300 302 301 156 170 10m agl Spd(kt): 6 5 2 1 4 3 4 2 2 3 2 1 1 2 3 6hr Precip (in): 0.00 0.00 0.00 0.00 0.02 0.03 0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.02 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.02 0.05 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.10 Sfc CAPE (J/kg): 0.0 0.0 0.0 0.0 0.8 5.1 45.9 19.0 2.5 1.9 0.0 0.0 4.5 3.7 1.8 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 -0.4 0.0 0.0 -0.5 0.0 0.0 0.0 0.0 0.0 0.0 -0.1 0-3km Hel(J/kg): 113.2 70.1 57.3 144.1 266.0 204.7 58.9 29.2 64.4 83.3 96.0 101.9 85.3 132.3 251.1 Precip H20 (in): 0.64 0.67 0.59 0.58 0.54 0.50 0.46 0.40 0.42 0.46 0.65 0.65 0.70 0.82 1.02 Lifted Index(C): 18.3 16.8 5.4 2.4 5.2 8.5 10.8 13.5 14.4 14.2 14.0 12.3 11.6 10.0 7.2 700mb VV(-ub/s): -0.9 -2.7 1.2 1.0 -1.6 2.1 -0.3 -1.7 -2.6 -1.6 -0.5 -0.7 -0.2 -1.7 0.0 Thk1000-500mb(m)5544.2 5522.2 5507.3 5454.8 5420.1 5403.9 5397.7 5418.7 5435.2 5451.9 5462.2 5478.7 5492.4 5507.4 5517.0 Thk1000-850mb(m)1324.6 1326.9 1326.9 1324.4 1320.3 1315.7 1312.9 1310.8 1311.0 1316.0 1320.3 1317.1 1315.5 1318.7 1320.7 Thk850-700mb(m):1576.6 1574.6 1569.5 1552.6 1541.4 1532.0 1529.1 1538.8 1545.2 1546.9 1548.5 1555.4 1564.5 1568.9 1571.1 SWEAT Index: 46.4 62.1 113.1 169.6 115.8 98.3 91.4 66.3 47.0 38.5 52.4 68.7 66.8 101.8 140.4 Total Totals Idx 11.0 -11.2 41.2 49.9 46.8 42.1 35.9 31.7 29.0 28.2 26.8 32.2 32.9 35.4 38.4 Frz Hgt(ft amsl) 11628 10307 9452 7028 5290 4238 3764 3293 6306 6479 6981 8368 9881 9605 10438 0WetBlbHgt(amsl) 4035 3537 8739 6890 5153 4189 3670 3207 3425 3485 3593 3547 6918 8199 10370 Equil Prs (mb): 1000 1000 998 999 997 998 793 883 1004 1004 1002 1003 1003 1003 1001 Equil Hgt(amsl): 26 26 26 26 26 26 6767 4026 26 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: 60.3 58.4 51.8 43.0 30.1 24.6 23.2 21.3 40.0 44.6 43.4 52.5 47.9 49.5 46.4 Showalter Index: 19.0 17.9 7.0 2.2 5.5 8.8 12.3 14.0 14.7 14.9 15.1 12.5 12.1 10.0 7.8 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 2.1 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 18 341 342 327 336 356 14 40 23 11 355 11 1 355 315 Storm Spd (kts): 14 14 18 23 25 24 23 15 12 10 12 14 14 17 21 2m HeatIndex(F): 36 40 45 43 41 42 44 43 40 40 44 39 38 38 40 2m WindChill(F): 30 36 45 43 41 42 44 43 40 40 44 39 38 38 37 1000mb GPH (m): 203 205 190 195 181 188 197 219 234 238 224 229 229 230 215 950mb GPH (m): 618 622 609 614 599 607 616 637 650 653 642 645 643 644 630 950mb Temp (C): 4.5 6.2 5.1 5.4 4.3 4.5 3.7 3.1 1.7 3.2 4.2 3.5 3.2 3.6 3.3 950mb Dewpt(C): -1.4 -3.1 -3.5 -2.3 4.1 4.3 3.5 2.0 1.4 -0.3 -0.2 -0.4 -0.3 -1.5 1.2 950mb RH (%): 65 51 53 57 98 98 98 93 97 78 73 75 78 69 86 950mb Dir: 93 90 318 274 236 285 314 19 29 15 355 321 343 197 206 950mb Speed(kt): 13 7 4 5 13 13 12 2 2 3 1 4 1 3 12 900mb GPH (m): 1059 1064 1051 1054 1039 1045 1053 1072 1085 1092 1081 1084 1081 1083 1070 900mb Temp (C): 6.1 6.2 6.1 3.7 3.8 1.6 0.6 -0.6 1.7 3.2 3.8 3.4 3.4 4.3 4.0 900mb Dewpt(C): -6.3 -9.4 -9.7 1.9 3.5 1.4 0.3 -0.8 -2.6 -4.7 -5.4 -5.1 -1.4 -0.2 3.4 900mb RH (%): 40 32 31 88 98 99 98 98 73 56 51 54 71 72 96 900mb Dir: 85 344 328 291 296 319 334 80 2 315 311 319 331 298 244 900mb Speed(kt): 7 8 15 14 23 16 11 2 3 2 4 7 6 7 18 850mb GPH (m): 1527 1532 1517 1519 1501 1503 1509 1530 1545 1554 1544 1546 1544 1549 1536 850mb Temp (C): 6.3 5.6 4.1 4.4 0.6 -1.3 -2.1 -0.1 1.7 2.2 2.9 2.0 2.7 4.1 4.5 850mb Dewpt(C): -21.9 -48.1 2.4 4.2 0.3 -1.5 -3.1 -5.8 -7.9 -8.9 -11.1 0.0 -0.8 2.0 4.3 850mb RH (%): 11 1 88 99 98 99 93 65 49 44 35 86 77 86 98 850mb Dir: 9 330 333 302 291 317 352 65 4 296 305 328 336 319 273 850mb Speed(kt): 7 15 22 21 26 17 9 4 1 4 8 10 11 17 25 800mb GPH (m): 2021 2024 2010 2010 1986 1983 1989 2013 2032 2041 2032 2033 2035 2041 2030 800mb Temp (C): 4.2 3.6 3.8 0.6 -2.0 -5.0 -4.6 -1.9 -0.5 -0.3 0.5 0.5 2.7 3.2 4.0 800mb Dewpt(C): -22.9 -21.7 2.1 0.4 -3.6 -5.5 -7.3 -10.8 -10.9 -13.5 -10.8 -2.0 -2.4 -1.1 3.8 800mb RH (%): 12 14 89 99 89 96 81 51 45 36 42 83 69 73 99 800mb Dir: 354 326 336 308 289 324 359 75 37 303 310 325 340 310 287 800mb Speed(kt): 9 17 25 23 26 19 12 10 1 6 13 12 17 16 32 750mb GPH (m): 2545 2549 2533 2526 2497 2491 2497 2525 2545 2555 2547 2552 2556 2564 2552 750mb Temp (C): 3.6 4.0 1.9 -1.6 -3.0 -3.5 -4.9 -3.2 -2.2 -1.8 -2.3 0.0 1.2 2.7 1.3 750mb Dewpt(C): -10.0 3.5 -0.2 -2.8 -10.2 -18.5 -12.9 -17.4 -20.9 -22.5 -6.4 -3.8 -5.3 -3.0 1.1 750mb RH (%): 36 97 86 91 58 31 54 33 23 19 74 75 62 66 98 750mb Dir: 334 328 326 301 304 324 11 40 352 329 306 339 333 313 293 750mb Speed(kt): 15 28 23 31 31 30 19 14 11 12 13 20 19 19 33 700mb GPH (m): 3104 3106 3087 3072 3043 3035 3039 3068 3091 3101 3093 3102 3109 3118 3107 700mb Temp (C): 2.3 0.2 -1.1 -3.9 -3.8 -4.6 -5.5 -4.3 -4.4 -4.1 -4.5 -2.5 -0.3 -1.4 0.4 700mb Dewpt(C): -1.7 -0.3 -5.0 -10.9 -20.1 -18.3 -23.8 -31.9 -25.9 -25.9 -4.8 -6.5 -10.1 -3.6 0.2 700mb RH (%): 75 97 75 58 27 34 22 10 17 17 97 74 47 85 98 700mb Dir: 343 316 313 301 310 326 349 19 354 339 312 340 335 317 288 700mb Speed(kt): 20 24 24 38 43 41 32 23 16 15 18 22 23 20 35 650mb GPH (m): 3699 3697 3675 3654 3623 3614 3616 3649 3670 3682 3676 3687 3697 3705 3697 650mb Temp (C): -0.8 -3.1 -3.4 -6.2 -7.9 -8.4 -9.1 -7.4 -7.8 -6.6 -5.9 -4.7 -4.1 -3.9 -3.1 650mb Dewpt(C): -5.2 -4.4 -20.2 -34.3 -22.0 -24.0 -30.2 -36.9 -35.1 -26.3 -6.6 -11.0 -15.5 -6.8 -3.6 650mb RH (%): 72 91 26 9 32 28 17 8 10 20 94 61 41 80 96 650mb Dir: 344 308 309 299 312 328 343 14 352 345 333 345 335 331 290 650mb Speed(kt): 24 21 34 41 45 45 41 30 21 20 24 23 27 29 38 600mb GPH (m): 4334 4327 4303 4274 4238 4229 4229 4265 4287 4303 4299 4313 4323 4335 4328 600mb Temp (C): -4.7 -6.5 -6.9 -10.4 -12.6 -12.6 -13.3 -11.9 -11.1 -9.5 -9.1 -7.7 -8.0 -6.5 -5.9 600mb Dewpt(C): -8.2 -9.2 -32.4 -46.1 -25.5 -29.4 -34.9 -43.2 -35.6 -20.4 -10.1 -15.8 -14.8 -8.1 -7.3 600mb RH (%): 77 81 11 4 34 24 15 6 12 41 93 53 58 88 90 600mb Dir: 343 295 300 300 314 329 342 6 352 345 335 343 329 331 291 600mb Speed(kt): 34 28 38 48 48 48 50 35 30 26 27 29 29 49 39 550mb GPH (m): 5014 5002 4976 4937 4896 4886 4886 4925 4951 4970 4967 4984 4996 5010 5005 550mb Temp (C): -8.4 -10.8 -11.3 -15.0 -17.6 -17.6 -17.1 -16.1 -13.7 -13.2 -13.3 -12.0 -11.1 -10.2 -10.3 550mb Dewpt(C): -11.9 -14.4 -33.7 -42.9 -34.8 -34.3 -44.2 -44.9 -39.9 -15.6 -14.3 -25.6 -14.6 -13.4 -11.9 550mb RH (%): 76 74 14 8 21 23 8 7 10 82 92 32 75 77 88 550mb Dir: 333 288 299 294 317 331 343 359 352 342 328 342 326 333 297 550mb Speed(kt): 35 30 40 54 52 53 60 44 40 29 30 37 39 47 39 500mb GPH (m): 5747 5727 5698 5650 5601 5592 5594 5638 5670 5690 5686 5708 5721 5737 5732 500mb Temp (C): -13.3 -15.6 -17.3 -20.6 -22.9 -22.5 -20.6 -18.8 -17.6 -17.4 -17.5 -15.1 -15.5 -14.7 -14.8 500mb Dewpt(C): -17.0 -18.4 -30.7 -37.9 -41.1 -45.7 -47.3 -46.4 -27.2 -19.9 -19.6 -29.8 -17.0 -19.6 -16.9 500mb RH (%): 74 79 31 21 18 11 8 7 44 81 84 28 88 66 85 500mb Dir: 326 285 298 293 318 332 343 357 352 345 334 348 327 330 302 500mb Speed(kt): 32 31 40 60 60 65 73 58 45 31 36 49 46 44 39 450mb GPH (m): 6540 6513 6477 6418 6363 6358 6367 6417 6449 6470 6466 6497 6508 6527 6521 450mb Temp (C): -19.4 -21.0 -23.7 -27.4 -28.8 -26.4 -24.0 -22.0 -22.6 -22.9 -23.2 -19.5 -20.7 -19.9 -20.1 450mb Dewpt(C): -23.3 -23.2 -36.7 -36.9 -47.5 -50.7 -51.1 -41.6 -26.6 -25.6 -29.3 -31.0 -23.0 -26.0 -22.5 450mb RH (%): 72 83 30 41 16 9 7 16 70 79 58 36 82 59 81 450mb Dir: 319 287 298 293 316 331 344 356 352 343 340 353 328 325 301 450mb Speed(kt): 26 36 45 61 69 87 90 73 50 38 43 63 51 45 46 400mb GPH (m): 7403 7372 7324 7252 7196 7200 7220 7272 7303 7322 7318 7361 7368 7388 7382 400mb Temp (C): -26.1 -27.4 -30.6 -34.4 -34.3 -31.3 -27.8 -28.3 -28.5 -29.4 -27.7 -25.8 -26.8 -26.8 -26.7 400mb Dewpt(C): -30.0 -30.0 -43.3 -47.1 -56.6 -53.0 -50.3 -37.4 -32.5 -32.3 -37.2 -36.2 -30.8 -32.1 -29.4 400mb RH (%): 70 79 29 28 10 11 11 42 69 77 41 38 70 61 78 400mb Dir: 313 283 291 293 318 330 347 352 350 342 343 348 332 326 301 400mb Speed(kt): 28 41 47 64 78 101 107 76 62 45 67 76 59 52 53 350mb GPH (m): 8354 8318 8258 8171 8118 8136 8165 8215 8244 8259 8268 8309 8316 8336 8330 350mb Temp (C): -33.5 -34.4 -37.2 -41.2 -39.6 -35.6 -35.1 -34.9 -35.8 -36.9 -33.8 -34.4 -34.2 -33.9 -34.4 350mb Dewpt(C): -37.4 -38.0 -47.6 -60.6 -58.5 -55.9 -45.5 -38.1 -39.6 -40.3 -41.6 -48.8 -37.6 -37.3 -37.8 350mb RH (%): 69 70 35 12 13 12 35 73 69 71 47 23 72 73 73 350mb Dir: 309 283 281 288 329 338 344 345 341 338 350 347 330 324 305 350mb Speed(kt): 31 39 51 68 92 125 110 83 72 61 99 78 67 78 55 300mb GPH (m): 9419 9378 9306 9203 9160 9191 9223 9273 9293 9308 9327 9367 9375 9394 9386 300mb Temp (C): -40.6 -42.5 -44.9 -47.7 -45.0 -43.4 -43.0 -42.8 -45.3 -44.8 -43.5 -43.0 -42.4 -43.7 -44.0 300mb Dewpt(C): -46.2 -46.9 -48.7 -65.4 -63.1 -50.4 -56.4 -46.6 -49.6 -48.5 -51.6 -47.2 -46.4 -47.6 -47.5 300mb RH (%): 57 63 67 13 13 47 23 67 63 68 42 65 66 67 69 300mb Dir: 301 287 273 286 336 337 343 343 336 337 342 337 328 325 316 300mb Speed(kt): 43 43 59 68 116 132 118 103 75 87 94 95 87 82 66 250mb GPH (m): 10638 10581 10499 10388 10358 10393 10424 10474 10491 10506 10528 10571 10581 10591 10584 250mb Temp (C): -49.6 -52.4 -53.8 -53.3 -51.7 -52.4 -52.5 -53.3 -50.9 -50.7 -51.2 -50.8 -50.6 -51.4 -51.3 250mb Dewpt(C): -56.9 -56.3 -57.3 -69.8 -68.4 -60.9 -61.8 -58.0 -61.7 -60.1 -58.8 -56.3 -56.9 -58.0 -57.4 250mb RH (%): 44 65 67 14 14 38 34 58 29 34 42 54 49 47 50 250mb Dir: 297 289 274 291 331 337 338 344 342 340 334 340 327 330 322 250mb Speed(kt): 53 50 73 67 105 133 113 119 78 86 87 100 104 89 91 200mb GPH (m): 12059 11994 11910 11821 11791 11804 11839 11891 11927 11952 11967 12011 12029 12041 12038 200mb Temp (C): -61.3 -60.1 -59.3 -53.8 -54.4 -59.1 -58.9 -57.1 -55.3 -53.0 -52.3 -51.8 -51.4 -50.4 -47.7 200mb Dewpt(C): -66.3 -69.9 -70.6 -77.2 -81.3 -70.7 -68.1 -75.8 -74.9 -78.5 -76.3 -74.4 -74.2 -76.4 -82.8 200mb RH (%): 54 30 24 5 3 24 32 9 8 4 5 6 6 4 1 200mb Dir: 296 282 278 287 330 339 348 347 345 345 346 347 340 332 324 200mb Speed(kt): 53 60 75 61 71 117 113 99 82 76 85 88 74 68 68 150mb GPH (m): 13805 13766 13708 13657 13620 13617 13648 13699 13742 13786 13812 13859 13883 13904 13907 150mb Temp (C): -68.5 -64.3 -59.2 -54.7 -56.6 -56.1 -56.6 -60.6 -60.3 -57.9 -56.3 -56.3 -55.8 -54.9 -55.9 150mb Dewpt(C): -77.5 -80.0 -85.1 -84.5 -85.7 -85.0 -85.9 -84.2 -84.2 -84.1 -85.6 -85.6 -89.7 -89.0 -85.3 150mb RH (%): 29 12 3 2 2 2 2 4 4 3 2 2 1 1 2 150mb Dir: 308 290 283 307 321 335 348 351 354 353 349 346 339 330 313 150mb Speed(kt): 37 45 48 42 54 62 68 82 80 66 65 63 60 57 48 100mb GPH (m): 16269 16261 16241 16222 16199 16200 16207 16228 16255 16305 16342 16383 16417 16433 16434 100mb Temp (C): -62.9 -61.9 -59.7 -60.0 -55.3 -55.6 -58.0 -58.2 -59.3 -60.9 -63.2 -65.1 -63.1 -63.4 -63.9 100mb Dewpt(C): -88.1 -87.3 -91.7 -88.8 -84.9 -85.1 -86.9 -87.1 -87.9 -88.4 -86.5 -88.0 -88.2 -90.9 -86.9 100mb RH (%): 3 3 1 2 2 2 2 2 2 2 4 4 3 2 4 100mb Dir: 348 311 316 309 329 348 345 2 2 3 1 3 349 342 323 100mb Speed(kt): 26 22 28 28 36 34 47 51 49 53 55 47 38 37 35