Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z DEC 4, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 1002.4 1002.1 1001.9 1000.0 997.7 997.9 995.5 991.7 989.6 991.9 995.4 996.5 997.3 998.1 997.3 Mean SLP (mb): 1027.6 1027.3 1027.2 1025.2 1022.6 1022.8 1020.3 1016.2 1014.0 1016.6 1020.3 1021.4 1022.1 1023.0 1022.1 2m agl Tmp (F): 44.2 42.4 40.6 41.8 44.7 46.1 47.9 49.7 51.4 47.2 46.2 46.6 47.1 46.7 46.0 2m agl Dewpt(F): 41.8 41.2 39.8 41.2 44.2 45.7 47.4 49.2 49.8 45.5 45.0 46.2 45.8 46.1 43.5 2m agl RH (%): 91 96 97 98 98 98 98 98 94 94 96 98 95 98 91 10m agl Dir: 265 177 161 166 200 200 194 224 244 233 243 232 221 201 175 10m agl Spd(kt): 2 2 2 4 6 4 5 10 11 12 9 7 8 6 7 6hr Precip (in): 0.00 0.00 0.01 0.20 0.30 0.21 0.23 0.69 0.22 0.07 0.19 0.06 0.11 0.08 0.09 AccumPrecip(in): 0.00 0.00 0.01 0.20 0.51 0.71 0.94 1.63 1.84 1.91 2.10 2.16 2.28 2.35 2.44 Sfc CAPE (J/kg): 3.8 5.5 4.3 0.0 0.0 0.0 0.0 0.0 49.2 44.6 77.0 66.9 78.0 10.8 1.1 Sfc CINH (J/kg): -0.1 0.0 0.0 0.0 0.0 -0.1 0.0 0.0 -1.3 0.0 0.0 -0.1 -1.7 -22.6 -0.1 0-3km Hel(J/kg): 134.1 126.6 165.6 389.4 367.8 319.1 303.7 308.7 286.3 280.7 187.1 202.4 184.6 166.9 238.6 Precip H20 (in): 0.65 0.76 0.96 1.07 1.03 0.98 1.11 1.11 0.59 0.58 0.60 0.64 0.63 0.70 0.77 Lifted Index(C): 14.9 13.7 9.3 6.5 3.6 4.9 3.9 0.3 8.2 7.6 6.0 8.6 8.2 8.9 9.2 700mb VV(-ub/s): -0.6 -3.0 1.0 -1.0 3.9 -0.8 6.2 16.2 16.9 20.3 7.5 1.5 -0.4 -0.2 4.0 Thk1000-500mb(m)5466.0 5488.6 5499.2 5524.1 5519.2 5510.2 5520.0 5527.0 5471.7 5416.9 5376.3 5378.3 5395.3 5419.4 5427.9 Thk1000-850mb(m)1320.1 1319.1 1319.3 1322.8 1333.9 1337.6 1342.5 1341.2 1337.0 1324.5 1319.6 1323.1 1323.5 1325.6 1323.8 Thk850-700mb(m):1547.4 1556.9 1562.5 1576.5 1573.1 1567.5 1573.1 1579.4 1550.4 1531.9 1523.8 1525.2 1525.7 1529.9 1533.3 SWEAT Index: 89.8 93.2 133.3 155.0 209.9 185.3 206.2 246.0 185.4 160.8 130.9 128.1 120.1 169.8 220.3 Total Totals Idx 26.6 29.6 35.9 39.2 44.1 41.8 44.4 49.8 35.7 41.4 44.5 39.4 40.2 39.6 39.1 Frz Hgt(ft amsl) 6112 7887 8317 10252 9371 8959 9201 9718 7216 4797 4392 4799 4842 5271 5009 0WetBlbHgt(amsl) 4190 6646 8183 10184 9002 8721 9135 9650 5301 4704 4338 4737 4792 5198 4936 Equil Prs (mb): 1002 1002 1002 1000 998 998 996 992 812 758 728 668 653 698 997 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 5991 7780 8858 11092 11671 10064 26 Hail Size(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.14 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 36.1 41.1 42.2 11.2 12.5 23.5 27.2 14.9 36.4 31.7 28.0 26.7 26.2 23.7 28.5 Showalter Index: 15.7 13.7 9.6 7.4 4.1 5.7 4.0 1.0 10.5 8.5 7.5 9.7 9.2 9.2 9.6 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 1.4 0.0 0.0 0.0 -0.7 0.8 -999.9 Storm Dir (deg): 4 8 342 322 326 335 327 304 314 313 320 312 318 295 286 Storm Spd (kts): 18 19 19 26 30 28 29 35 40 38 31 28 26 19 23 2m HeatIndex(F): 44 42 41 42 45 46 48 50 51 47 46 47 47 47 46 2m WindChill(F): 44 42 41 42 45 46 48 50 51 47 46 47 47 47 46 1000mb GPH (m): 223 220 219 203 184 186 166 134 116 136 166 175 181 188 181 950mb GPH (m): 641 637 635 622 605 610 592 560 543 559 587 597 604 610 603 950mb Temp (C): 3.9 3.7 4.0 3.8 5.6 8.3 9.0 8.5 8.8 6.1 5.3 5.9 6.1 6.5 6.0 950mb Dewpt(C): 3.2 1.8 1.5 3.6 5.3 8.0 8.7 8.3 8.5 5.9 5.1 5.7 5.9 6.3 3.1 950mb RH (%): 95 87 83 98 98 98 98 98 98 98 99 99 98 98 81 950mb Dir: 337 105 215 204 220 249 234 230 248 237 252 244 232 221 196 950mb Speed(kt): 4 4 5 20 23 16 20 27 22 26 21 21 21 22 25 900mb GPH (m): 1080 1077 1074 1061 1048 1056 1038 1006 989 1000 1027 1037 1044 1052 1043 900mb Temp (C): 3.7 3.9 3.7 3.8 6.4 6.7 7.7 6.5 5.6 3.2 2.2 3.0 2.8 3.5 3.5 900mb Dewpt(C): -1.9 2.0 2.1 3.6 6.1 6.4 7.3 6.1 5.4 2.9 1.9 2.8 2.5 3.2 3.3 900mb RH (%): 67 87 89 98 98 98 98 98 98 98 98 99 98 98 99 900mb Dir: 317 323 274 223 267 289 267 251 264 256 275 260 257 239 209 900mb Speed(kt): 9 10 10 23 29 20 23 39 31 35 27 24 25 18 26 850mb GPH (m): 1543 1539 1538 1526 1518 1524 1509 1475 1453 1460 1485 1498 1505 1514 1505 850mb Temp (C): 2.4 2.3 3.7 4.8 6.4 5.4 6.2 7.0 2.2 0.0 -1.0 -0.2 -0.2 0.6 0.1 850mb Dewpt(C): -8.0 0.0 3.2 4.5 6.1 5.1 5.9 6.6 1.3 -0.4 -1.2 -0.5 -0.4 0.3 -0.1 850mb RH (%): 46 84 97 98 98 98 98 97 94 97 98 98 99 98 98 850mb Dir: 337 328 286 255 296 290 288 271 273 273 283 261 274 244 219 850mb Speed(kt): 21 15 18 23 34 25 32 39 36 39 29 29 25 18 20 800mb GPH (m): 2030 2029 2030 2021 2014 2018 2005 1973 1941 1943 1967 1980 1987 1998 1988 800mb Temp (C): -1.2 1.0 2.5 4.5 4.5 3.3 4.7 5.1 1.0 -3.2 -4.0 -3.2 -3.3 -2.6 -2.4 800mb Dewpt(C): -5.5 -1.0 1.8 4.2 4.2 2.9 4.5 4.8 -11.7 -4.0 -4.4 -3.5 -3.7 -2.8 -2.6 800mb RH (%): 73 86 95 98 98 97 98 98 38 94 97 98 98 99 98 800mb Dir: 329 338 301 271 297 293 295 279 276 282 288 263 279 256 232 800mb Speed(kt): 21 23 19 27 36 34 34 40 43 38 30 30 26 21 20 750mb GPH (m): 2543 2546 2550 2546 2538 2540 2529 2499 2458 2452 2473 2488 2495 2507 2498 750mb Temp (C): -2.0 -0.4 -0.1 2.8 1.7 1.1 1.6 3.4 -1.0 -5.1 -7.0 -6.7 -6.3 -5.6 -4.9 750mb Dewpt(C): -4.6 -3.2 -0.4 2.6 1.0 0.4 1.4 3.1 -24.0 -10.1 -8.0 -6.9 -6.6 -5.8 -5.5 750mb RH (%): 83 81 97 99 95 95 98 98 16 68 92 98 97 99 95 750mb Dir: 333 339 318 282 288 299 297 284 281 291 298 281 286 266 241 750mb Speed(kt): 20 20 19 31 36 36 34 45 51 46 35 31 25 23 20 700mb GPH (m): 3091 3096 3101 3103 3091 3091 3082 3055 3004 2992 3009 3023 3030 3044 3038 700mb Temp (C): -3.2 -2.4 -1.8 0.1 -1.2 -2.1 -1.6 -0.7 -4.7 -6.3 -8.1 -9.6 -10.0 -9.3 -6.6 700mb Dewpt(C): -6.9 -7.3 -2.0 -0.1 -3.3 -3.5 -1.8 -1.0 -24.2 -24.3 -18.9 -11.3 -11.0 -11.3 -7.2 700mb RH (%): 75 69 98 98 86 90 99 98 20 23 42 88 92 85 96 700mb Dir: 331 346 314 297 294 312 295 283 283 292 298 290 289 275 261 700mb Speed(kt): 32 25 24 38 37 42 40 50 58 54 46 37 25 26 32 650mb GPH (m): 3673 3682 3688 3693 3678 3678 3668 3644 3581 3569 3581 3592 3597 3615 3616 650mb Temp (C): -6.8 -4.5 -4.5 -3.2 -5.0 -5.4 -5.3 -4.1 -9.0 -9.1 -11.4 -12.6 -12.9 -9.3 -8.5 650mb Dewpt(C): -16.2 -12.2 -5.2 -3.9 -5.9 -5.7 -5.5 -4.3 -26.8 -32.9 -21.1 -16.8 -18.7 -24.0 -9.4 650mb RH (%): 47 55 95 94 93 98 98 98 23 13 45 71 62 30 93 650mb Dir: 333 341 314 308 305 316 301 280 287 292 299 293 291 281 277 650mb Speed(kt): 34 34 30 47 47 48 43 58 64 62 53 43 32 30 42 600mb GPH (m): 4295 4308 4316 4324 4304 4302 4291 4271 4198 4183 4190 4197 4207 4232 4232 600mb Temp (C): -8.7 -7.9 -6.9 -5.5 -7.1 -8.1 -10.0 -7.7 -10.0 -12.1 -15.0 -16.8 -13.0 -11.1 -11.5 600mb Dewpt(C): -17.1 -18.2 -8.0 -6.4 -8.0 -10.4 -11.1 -7.9 -37.1 -36.4 -24.8 -21.5 -36.6 -25.2 -12.7 600mb RH (%): 51 44 92 93 94 83 92 98 9 12 44 67 12 31 91 600mb Dir: 335 335 317 308 306 313 315 275 290 290 298 294 305 281 281 600mb Speed(kt): 32 39 41 59 58 51 55 61 76 68 59 49 50 34 44 550mb GPH (m): 4966 4980 4990 5000 4978 4973 4961 4942 4866 4843 4842 4846 4865 4894 4895 550mb Temp (C): -11.3 -10.6 -10.4 -10.4 -10.9 -11.8 -11.2 -12.5 -12.1 -16.0 -19.8 -19.2 -16.1 -15.4 -15.2 550mb Dewpt(C): -21.0 -16.6 -11.9 -11.6 -12.1 -19.7 -11.8 -15.9 -29.7 -30.3 -26.5 -34.1 -35.3 -22.9 -16.8 550mb RH (%): 45 62 89 91 91 52 95 76 22 29 56 26 18 53 88 550mb Dir: 339 334 323 314 310 315 310 278 291 290 294 293 301 276 280 550mb Speed(kt): 39 50 50 57 62 58 70 67 91 77 62 60 64 37 48 500mb GPH (m): 5689 5709 5718 5728 5703 5696 5686 5661 5588 5553 5542 5553 5577 5607 5609 500mb Temp (C): -16.1 -13.7 -14.5 -14.9 -15.8 -15.7 -16.1 -18.1 -16.1 -20.9 -23.4 -20.1 -20.4 -19.3 -19.6 500mb Dewpt(C): -23.5 -21.3 -16.4 -16.3 -19.4 -32.3 -17.5 -21.5 -26.4 -23.3 -26.3 -46.1 -36.1 -21.2 -21.5 500mb RH (%): 54 53 86 90 74 23 90 75 41 81 77 9 24 85 85 500mb Dir: 338 340 322 318 309 317 304 284 293 289 292 291 302 275 278 500mb Speed(kt): 48 62 60 54 68 74 72 75 98 83 72 70 69 41 48 450mb GPH (m): 6477 6500 6508 6516 6490 6482 6471 6441 6374 6327 6309 6329 6346 6383 6383 450mb Temp (C): -19.7 -19.7 -20.0 -20.6 -20.0 -20.9 -21.3 -22.6 -21.0 -24.3 -25.9 -24.2 -26.9 -24.4 -24.6 450mb Dewpt(C): -24.9 -25.9 -22.6 -22.4 -30.9 -33.5 -23.2 -25.2 -25.7 -26.0 -28.5 -38.1 -34.9 -27.1 -27.0 450mb RH (%): 64 59 80 86 38 32 85 80 67 86 80 28 48 79 81 450mb Dir: 339 342 318 317 310 314 303 290 294 292 293 290 305 285 278 450mb Speed(kt): 69 64 64 52 75 75 77 90 108 109 90 76 77 56 50 400mb GPH (m): 7342 7364 7371 7376 7354 7343 7330 7297 7233 7175 7154 7174 7184 7232 7232 400mb Temp (C): -25.2 -25.3 -26.0 -27.2 -25.5 -25.7 -26.6 -26.8 -26.4 -30.1 -30.0 -30.7 -32.5 -29.6 -29.2 400mb Dewpt(C): -31.0 -28.9 -29.1 -30.1 -34.2 -29.6 -29.0 -29.4 -31.7 -32.6 -37.4 -34.5 -39.5 -32.8 -32.2 400mb RH (%): 59 72 75 77 45 70 81 79 62 80 50 71 51 75 76 400mb Dir: 346 334 315 316 314 313 304 300 298 299 298 293 303 292 276 400mb Speed(kt): 82 67 67 54 77 88 85 108 113 123 94 83 85 78 63 350mb GPH (m): 8298 8320 8321 8322 8307 8295 8281 8249 8189 8116 8093 8111 8115 8170 8170 350mb Temp (C): -31.5 -31.9 -33.7 -34.5 -33.1 -33.4 -32.9 -32.7 -31.5 -32.7 -36.0 -36.8 -36.2 -36.3 -36.9 350mb Dewpt(C): -39.3 -35.2 -37.2 -38.6 -38.1 -40.1 -35.9 -34.8 -34.6 -46.1 -42.1 -40.6 -40.4 -40.6 -40.3 350mb RH (%): 47 73 71 67 62 52 75 82 75 26 55 68 66 65 71 350mb Dir: 345 332 319 316 318 320 310 303 298 294 297 293 297 295 280 350mb Speed(kt): 96 71 67 60 100 110 103 121 128 129 97 90 104 91 83 300mb GPH (m): 9369 9390 9381 9381 9372 9364 9348 9318 9260 9185 9149 9162 9168 9220 9217 300mb Temp (C): -40.5 -41.1 -41.8 -42.4 -40.9 -40.0 -41.0 -40.2 -40.6 -40.9 -42.7 -43.9 -44.2 -44.8 -45.1 300mb Dewpt(C): -51.0 -44.5 -46.0 -48.8 -46.9 -46.6 -44.5 -43.6 -43.8 -54.0 -52.1 -48.9 -49.1 -49.7 -48.7 300mb RH (%): 33 71 65 51 54 51 70 70 72 25 37 59 59 59 68 300mb Dir: 340 332 321 321 322 321 312 303 295 293 293 291 298 296 279 300mb Speed(kt): 97 81 76 82 116 126 120 130 133 134 121 115 126 103 95 250mb GPH (m): 10583 10599 10598 10596 10590 10584 10562 10535 10475 10399 10356 10362 10363 10414 10410 250mb Temp (C): -50.6 -50.7 -48.1 -46.7 -47.3 -48.5 -49.6 -50.2 -50.4 -49.4 -51.4 -52.1 -53.4 -53.5 -54.0 250mb Dewpt(C): -55.8 -55.0 -57.0 -64.6 -62.5 -59.8 -60.4 -57.8 -55.8 -64.1 -64.0 -59.9 -59.4 -59.8 -57.3 250mb RH (%): 56 62 37 13 18 28 29 42 55 18 23 41 50 48 68 250mb Dir: 336 334 326 323 321 319 312 301 293 292 292 291 298 295 279 250mb Speed(kt): 102 91 97 89 114 126 134 129 134 131 133 125 127 116 113 200mb GPH (m): 12007 12046 12054 12068 12059 12045 12005 11961 11901 11834 11781 11790 11784 11818 11811 200mb Temp (C): -55.5 -51.0 -50.3 -47.7 -48.3 -46.8 -51.9 -56.4 -56.2 -55.9 -56.5 -55.5 -56.0 -61.3 -61.4 200mb Dewpt(C): -67.2 -76.5 -76.2 -79.3 -79.7 -72.0 -75.0 -68.5 -70.2 -74.2 -74.2 -77.6 -74.6 -68.9 -67.9 200mb RH (%): 24 4 4 2 2 5 6 23 18 10 11 6 10 38 45 200mb Dir: 338 338 328 320 314 324 314 300 293 293 292 292 293 291 283 200mb Speed(kt): 95 92 85 86 78 73 108 118 123 133 124 91 99 106 105 150mb GPH (m): 13851 13896 13917 13937 13928 13918 13872 13812 13735 13683 13621 13621 13610 13611 13602 150mb Temp (C): -56.7 -57.6 -55.8 -56.5 -55.1 -56.0 -54.9 -55.4 -56.3 -53.2 -53.6 -55.9 -56.4 -59.1 -59.3 150mb Dewpt(C): -90.8 -86.6 -89.7 -90.2 -84.7 -89.9 -84.3 -84.9 -85.5 -87.9 -87.8 -85.5 -89.6 -85.1 -82.1 150mb RH (%): 1 2 1 1 2 1 2 2 2 1 1 2 1 3 5 150mb Dir: 345 345 334 330 318 313 299 291 292 291 289 289 294 288 280 150mb Speed(kt): 63 61 57 53 55 63 65 76 94 98 94 79 71 71 74 100mb GPH (m): 16376 16419 16436 16459 16444 16436 16386 16343 16280 16244 16203 16170 16154 16140 16126 100mb Temp (C): -63.9 -64.0 -64.3 -65.1 -66.1 -64.9 -66.7 -62.6 -60.7 -59.9 -59.4 -61.0 -59.7 -60.5 -60.9 100mb Dewpt(C): -91.4 -88.7 -89.2 -89.8 -90.4 -89.4 -87.8 -87.8 -88.9 -88.4 -87.9 -89.2 -88.2 -84.4 -89.1 100mb RH (%): 2 3 3 3 3 3 5 3 2 2 2 2 2 4 2 100mb Dir: 3 358 341 335 314 306 299 292 279 288 290 291 288 286 285 100mb Speed(kt): 48 46 45 35 38 50 61 49 53 42 43 55 56 59 56