Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z DEC 14, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 992.5 993.8 992.8 991.6 990.9 991.2 994.6 996.5 994.6 993.7 991.2 982.1 981.7 992.3 995.8 Mean SLP (mb): 1017.4 1018.5 1017.3 1016.1 1015.5 1015.5 1019.1 1021.2 1019.3 1018.2 1015.8 1006.4 1006.3 1017.3 1020.8 2m agl Tmp (F): 44.8 46.9 52.4 55.7 50.3 53.6 53.0 50.7 49.4 51.2 50.4 50.5 45.1 42.2 42.7 2m agl Dewpt(F): 41.2 42.8 37.9 37.7 49.7 52.1 51.7 50.1 48.2 50.6 49.3 48.5 41.0 39.3 38.5 2m agl RH (%): 87 85 57 50 98 95 95 98 96 98 96 93 85 89 85 10m agl Dir: 124 114 125 127 155 210 230 204 144 220 203 204 271 244 212 10m agl Spd(kt): 3 3 3 5 8 10 9 7 4 10 12 17 21 11 8 6hr Precip (in): 0.00 0.00 0.00 0.00 0.35 0.37 0.21 0.08 0.05 0.26 0.30 0.27 0.55 0.17 0.13 AccumPrecip(in): 0.00 0.00 0.01 0.01 0.35 0.73 0.94 1.02 1.07 1.33 1.63 1.90 2.45 2.62 2.74 Sfc CAPE (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 210.4 182.5 15.6 83.2 53.7 0.1 120.1 172.9 154.6 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -14.6 -1.1 0.0 -2.4 -0.2 0.0 -1.0 0-3km Hel(J/kg): 213.4 218.9 209.0 283.4 529.4 404.0 168.8 164.4 256.7 210.2 239.6 645.2 32.4 174.4 194.9 Precip H20 (in): 0.57 0.88 0.78 0.99 1.21 0.99 0.65 0.68 0.72 0.76 0.73 0.92 0.49 0.40 0.34 Lifted Index(C): 9.5 9.7 10.5 3.9 2.0 -0.9 4.4 5.1 4.8 2.9 4.2 3.2 11.1 8.1 11.1 700mb VV(-ub/s): 4.6 2.6 2.2 5.6 16.0 14.0 21.2 10.8 10.7 10.9 8.4 14.1 17.1 7.3 -0.3 Thk1000-500mb(m)5549.0 5534.9 5539.9 5561.5 5552.2 5546.5 5468.4 5430.4 5440.3 5445.5 5437.6 5484.4 5375.9 5301.1 5311.1 Thk1000-850mb(m)1345.5 1341.0 1347.1 1358.0 1350.1 1354.6 1337.4 1332.0 1332.7 1337.8 1335.1 1340.8 1314.7 1304.9 1304.6 Thk850-700mb(m):1580.4 1575.1 1573.6 1580.7 1581.3 1580.1 1540.8 1535.9 1543.0 1544.4 1541.7 1562.7 1513.7 1497.7 1495.2 SWEAT Index: 145.3 164.0 211.4 265.1 327.3 387.3 179.7 140.0 232.0 159.6 265.5 391.1 228.0 164.7 240.8 Total Totals Idx 35.7 33.4 31.9 43.3 46.4 51.5 41.3 40.0 44.8 47.6 47.5 46.6 33.9 41.6 33.9 Frz Hgt(ft amsl) 10753 9839 9734 9988 9968 9594 5970 5809 6064 6405 6216 7802 3344 2839 2897 0WetBlbHgt(amsl) 6804 9739 7829 9572 9863 9259 5555 5035 5904 6219 6111 7718 3227 2770 2781 Equil Prs (mb): 993 994 993 992 991 991 680 636 792 678 692 982 708 653 697 Equil Hgt(amsl): 26 26 26 26 26 26 10721 12399 6754 10785 10157 26 9172 11386 9837 Hail Size(in): 0.00 0.00 0.00 0.00 0.02 0.00 0.05 0.00 0.00 0.07 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 54.3 44.7 48.8 47.7 39.6 16.8 36.0 33.1 28.3 29.7 28.8 30.5 39.7 28.1 26.2 Showalter Index: 9.7 11.0 11.8 3.4 1.7 -1.2 7.7 9.0 5.9 4.3 4.2 3.3 13.6 10.5 14.5 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -1.7 0.0 0.6 0.3 0.0 -999.9 0.0 -2.0 0.0 Storm Dir (deg): 264 264 264 256 263 269 278 284 282 289 278 271 281 307 301 Storm Spd (kts): 25 25 23 24 33 39 40 34 30 31 33 48 56 35 28 2m HeatIndex(F): 45 47 52 56 50 54 53 51 49 51 50 51 45 42 43 2m WindChill(F): 45 47 52 56 50 54 53 51 49 51 50 51 45 42 43 1000mb GPH (m): 142 152 143 133 128 129 158 175 159 151 130 53 52 140 169 950mb GPH (m): 564 574 570 564 554 557 586 600 584 578 556 480 473 558 587 950mb Temp (C): 9.7 8.5 9.8 13.6 9.1 9.9 8.8 7.6 7.9 8.9 8.1 8.5 4.7 2.5 2.8 950mb Dewpt(C): 4.5 4.1 3.1 0.1 8.9 9.7 8.6 7.3 7.7 8.6 7.8 8.2 3.5 2.1 1.5 950mb RH (%): 70 73 63 39 98 98 99 98 99 98 98 98 92 97 91 950mb Dir: 191 205 197 188 179 211 236 213 191 226 208 205 272 250 221 950mb Speed(kt): 11 12 14 18 23 26 21 19 12 27 28 29 31 24 17 900mb GPH (m): 1014 1022 1018 1017 1002 1007 1031 1043 1028 1023 1000 926 910 992 1021 900mb Temp (C): 10.1 8.5 9.1 10.7 9.9 10.5 5.7 4.6 4.7 5.8 5.5 6.7 0.7 -1.0 -1.3 900mb Dewpt(C): -1.4 2.6 1.2 5.0 9.8 10.4 5.5 3.0 3.9 5.6 5.3 6.4 0.4 -1.3 -1.6 900mb RH (%): 44 66 57 67 99 99 98 89 95 99 98 98 98 98 98 900mb Dir: 217 216 208 205 211 225 247 227 217 248 222 212 273 262 235 900mb Speed(kt): 21 24 28 35 46 52 31 24 15 31 37 55 45 31 21 850mb GPH (m): 1487 1493 1490 1491 1478 1484 1496 1507 1491 1489 1465 1394 1366 1445 1474 850mb Temp (C): 8.1 7.5 7.2 8.2 8.7 9.2 2.2 1.6 2.3 2.9 2.7 5.5 -2.3 -4.6 -5.1 850mb Dewpt(C): -3.3 -4.3 -4.3 8.0 8.4 9.0 1.3 -1.8 1.0 1.9 2.5 5.3 -4.0 -4.9 -6.6 850mb RH (%): 44 43 43 99 98 99 94 78 91 93 99 98 88 97 89 850mb Dir: 229 226 212 217 224 241 252 252 233 257 236 227 268 276 244 850mb Speed(kt): 26 27 29 33 50 52 37 28 24 28 37 71 59 38 24 800mb GPH (m): 1985 1989 1986 1990 1977 1984 1982 1992 1978 1977 1953 1888 1845 1920 1946 800mb Temp (C): 5.9 4.5 4.9 5.9 5.8 5.9 -1.1 -1.4 -0.8 -0.2 -0.4 2.7 -5.5 -7.7 -9.1 800mb Dewpt(C): -6.5 -2.3 2.6 5.7 5.4 5.6 -4.4 -3.3 -1.1 -0.8 -0.8 2.4 -8.0 -8.0 -14.4 800mb RH (%): 40 61 85 99 97 98 78 87 98 95 97 98 83 98 66 800mb Dir: 236 233 226 227 229 237 253 265 241 258 240 243 258 279 244 800mb Speed(kt): 32 31 28 36 52 54 43 37 33 26 39 77 71 34 24 750mb GPH (m): 2511 2512 2510 2516 2503 2509 2495 2503 2492 2490 2466 2408 2348 2418 2442 750mb Temp (C): 3.8 2.3 2.3 3.1 2.9 2.3 -3.2 -4.5 -3.4 -3.4 -3.8 -0.2 -8.2 -11.4 -11.2 750mb Dewpt(C): -13.0 1.6 -5.1 0.8 2.4 2.0 -9.5 -4.7 -3.6 -3.8 -4.4 -0.4 -11.0 -11.9 -35.7 750mb RH (%): 28 95 58 85 96 98 62 99 98 97 96 98 80 96 12 750mb Dir: 239 240 238 233 232 234 252 258 246 253 245 244 248 274 254 750mb Speed(kt): 38 31 32 36 53 57 49 42 38 30 36 70 79 34 25 700mb GPH (m): 3068 3068 3064 3072 3059 3064 3037 3043 3034 3033 3007 2957 2880 2943 2969 700mb Temp (C): 1.2 -0.3 -0.5 -0.2 -0.1 -0.8 -6.5 -8.4 -5.2 -6.8 -6.5 -4.0 -10.2 -15.0 -13.2 700mb Dewpt(C): -14.6 -0.5 -9.7 -1.3 -0.4 -2.5 -11.0 -8.4 -5.7 -7.9 -11.7 -4.8 -13.0 -16.7 -36.6 700mb RH (%): 30 99 50 92 98 88 70 100 96 92 66 94 80 87 13 700mb Dir: 239 242 239 239 237 234 248 256 251 250 257 239 247 275 266 700mb Speed(kt): 44 39 39 35 51 61 55 44 38 32 35 68 85 38 32 650mb GPH (m): 3659 3656 3653 3662 3650 3653 3616 3615 3613 3610 3584 3538 3450 3500 3532 650mb Temp (C): -2.2 -4.1 -3.4 -3.4 -3.4 -3.6 -5.6 -10.8 -8.7 -7.8 -8.8 -7.0 -11.5 -16.9 -14.0 650mb Dewpt(C): -17.5 -5.8 -10.1 -4.8 -4.0 -11.9 -32.9 -12.8 -18.8 -27.8 -15.6 -14.4 -12.6 -40.6 -48.0 650mb RH (%): 30 88 60 90 96 53 10 85 44 19 58 55 92 12 4 650mb Dir: 237 238 238 238 244 236 242 254 253 261 260 241 238 283 282 650mb Speed(kt): 48 48 43 35 47 63 72 59 53 53 48 69 102 46 43 600mb GPH (m): 4289 4285 4281 4290 4278 4280 4241 4228 4229 4227 4200 4157 4061 4099 4135 600mb Temp (C): -6.3 -6.4 -7.6 -7.4 -7.1 -6.9 -7.8 -11.6 -12.1 -11.9 -11.8 -10.9 -15.0 -18.6 -17.7 600mb Dewpt(C): -15.4 -13.5 -8.6 -12.7 -8.3 -40.7 -54.7 -33.8 -23.8 -21.4 -30.6 -13.1 -17.1 -50.5 -38.1 600mb RH (%): 48 57 92 66 91 5 1 15 38 46 20 84 84 5 16 600mb Dir: 238 237 240 235 251 245 247 255 254 264 253 248 234 285 284 600mb Speed(kt): 50 50 42 36 47 56 82 71 69 60 60 68 100 63 53 550mb GPH (m): 4964 4960 4955 4964 4953 4953 4910 4892 4888 4887 4859 4822 4716 4745 4781 550mb Temp (C): -10.3 -10.5 -10.1 -9.9 -10.5 -11.4 -13.1 -14.5 -16.0 -16.2 -16.7 -14.4 -16.4 -21.1 -21.4 550mb Dewpt(C): -24.0 -13.1 -12.5 -12.5 -12.4 -45.1 -44.9 -34.9 -34.3 -20.6 -28.6 -15.3 -42.7 -46.1 -44.2 550mb RH (%): 32 81 83 81 86 5 5 17 20 69 36 93 9 9 12 550mb Dir: 238 238 247 233 248 251 252 259 261 269 255 253 245 282 286 550mb Speed(kt): 51 54 39 40 51 66 87 83 72 70 61 77 99 78 64 500mb GPH (m): 5691 5687 5683 5695 5680 5676 5627 5605 5599 5596 5568 5538 5428 5442 5480 500mb Temp (C): -15.4 -15.1 -14.5 -13.6 -14.6 -16.6 -18.9 -20.1 -20.8 -21.4 -21.2 -17.9 -20.1 -25.5 -22.8 500mb Dewpt(C): -24.9 -16.6 -17.3 -16.1 -16.4 -31.0 -39.8 -36.2 -33.2 -23.9 -24.9 -19.0 -63.7 -46.6 -59.2 500mb RH (%): 45 88 79 81 87 28 15 23 33 81 73 91 1 13 3 500mb Dir: 238 240 257 234 247 253 249 259 266 270 267 264 254 280 286 500mb Speed(kt): 49 54 41 41 54 74 91 85 79 80 72 87 111 90 84 450mb GPH (m): 6477 6474 6473 6486 6470 6458 6400 6377 6369 6364 6339 6317 6199 6198 6246 450mb Temp (C): -21.0 -20.1 -20.0 -19.7 -19.7 -22.5 -26.0 -25.6 -26.6 -26.3 -24.7 -23.2 -25.4 -29.2 -26.0 450mb Dewpt(C): -32.0 -24.2 -23.7 -23.2 -21.8 -40.5 -33.0 -34.9 -31.0 -34.9 -33.0 -24.4 -57.9 -55.7 -39.4 450mb RH (%): 38 70 73 74 84 19 53 43 67 45 47 91 4 7 28 450mb Dir: 241 235 256 242 245 251 248 264 270 270 270 256 256 278 286 450mb Speed(kt): 52 52 46 38 51 81 95 97 94 91 94 93 123 108 111 400mb GPH (m): 7336 7339 7335 7350 7334 7309 7243 7219 7207 7206 7188 7168 7044 7032 7095 400mb Temp (C): -26.6 -25.3 -26.2 -25.7 -25.5 -29.9 -30.9 -32.1 -33.5 -31.5 -29.5 -29.5 -30.4 -33.8 -28.8 400mb Dewpt(C): -39.7 -33.3 -29.2 -31.7 -27.9 -38.5 -33.7 -37.9 -36.4 -43.9 -39.8 -31.6 -48.3 -69.8 -31.5 400mb RH (%): 29 48 76 58 81 44 77 57 76 30 37 83 17 2 78 400mb Dir: 239 235 256 246 245 250 252 264 269 271 268 256 258 275 283 400mb Speed(kt): 51 42 50 46 58 80 106 111 98 99 107 90 146 125 137 350mb GPH (m): 8284 8293 8287 8300 8287 8243 8174 8144 8129 8137 8125 8105 7977 7957 8035 350mb Temp (C): -34.7 -32.6 -33.0 -33.4 -32.8 -38.4 -39.1 -40.7 -40.7 -38.1 -36.7 -37.2 -38.4 -39.0 -36.1 350mb Dewpt(C): -38.5 -48.4 -36.5 -37.2 -36.0 -40.8 -42.5 -43.8 -44.4 -49.3 -41.1 -40.4 -46.8 -69.1 -39.9 350mb RH (%): 69 20 72 70 74 79 71 73 69 32 65 73 43 3 69 350mb Dir: 250 251 252 248 242 250 249 263 260 273 269 258 258 275 283 350mb Speed(kt): 52 33 48 55 64 85 110 113 116 108 112 98 153 137 141 300mb GPH (m): 9341 9357 9352 9361 9352 9284 9209 9181 9161 9178 9174 9148 9018 9000 9084 300mb Temp (C): -43.3 -42.4 -41.5 -43.1 -42.3 -45.7 -48.0 -46.4 -47.2 -46.6 -45.5 -47.4 -45.9 -44.7 -45.3 300mb Dewpt(C): -46.8 -50.1 -45.0 -47.0 -45.6 -54.8 -52.4 -59.6 -56.9 -54.8 -48.9 -51.0 -59.8 -67.9 -48.8 300mb RH (%): 70 45 70 67 71 37 62 23 34 41 69 68 21 7 69 300mb Dir: 258 251 249 252 240 255 255 271 261 275 261 258 262 281 283 300mb Speed(kt): 56 33 50 72 62 89 115 110 114 116 120 111 145 148 151 250mb GPH (m): 10538 10559 10561 10560 10553 10485 10396 10378 10356 10363 10358 10323 10216 10200 10278 250mb Temp (C): -54.2 -52.9 -52.1 -52.4 -52.6 -50.0 -50.5 -49.6 -51.9 -55.2 -55.9 -56.3 -51.4 -51.7 -53.9 250mb Dewpt(C): -58.3 -59.8 -55.4 -58.8 -57.3 -69.4 -66.9 -68.3 -66.5 -60.1 -59.5 -61.2 -70.2 -71.8 -57.9 250mb RH (%): 63 45 69 48 58 10 14 11 18 56 66 56 10 9 63 250mb Dir: 259 253 244 267 244 254 260 269 272 272 265 263 265 281 286 250mb Speed(kt): 53 32 46 83 82 88 121 127 142 134 124 114 131 145 171 200mb GPH (m): 11947 11973 11978 11993 11975 11937 11862 11836 11799 11774 11766 11736 11652 11635 11683 200mb Temp (C): -55.3 -56.1 -56.8 -54.4 -55.1 -50.2 -46.8 -48.6 -49.0 -52.5 -55.1 -55.5 -53.5 -53.5 -59.3 200mb Dewpt(C): -77.7 -69.6 -71.3 -75.9 -75.1 -78.3 -78.4 -83.7 -79.9 -75.3 -79.4 -77.7 -77.3 -77.2 -74.7 200mb RH (%): 6 19 17 7 8 3 2 1 2 6 4 6 5 5 14 200mb Dir: 250 268 257 259 257 250 260 273 268 276 274 265 263 274 280 200mb Speed(kt): 52 46 60 59 88 88 108 126 130 125 134 123 143 124 127 150mb GPH (m): 13798 13823 13819 13849 13840 13817 13754 13722 13681 13652 13624 13590 13510 13498 13513 150mb Temp (C): -51.8 -54.0 -53.8 -53.0 -51.1 -50.3 -49.5 -49.4 -51.4 -50.7 -50.6 -51.4 -50.9 -50.4 -52.9 150mb Dewpt(C): -86.8 -88.8 -83.8 -87.7 -86.3 -85.8 -85.2 -85.1 -86.6 -85.3 -86.0 -86.6 -86.2 -85.9 -86.8 150mb RH (%): 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 150mb Dir: 260 261 263 264 256 244 255 265 268 270 269 270 268 277 280 150mb Speed(kt): 56 57 50 55 61 76 81 95 114 114 107 105 109 99 99 100mb GPH (m): 16363 16381 16385 16413 16407 16406 16354 16326 16277 16261 16230 16203 16141 16141 16117 100mb Temp (C): -61.4 -60.2 -60.9 -61.2 -61.4 -59.3 -57.4 -56.8 -58.4 -56.5 -59.1 -56.1 -52.9 -52.1 -55.2 100mb Dewpt(C): -89.8 -88.3 -89.0 -89.3 -89.3 -92.0 -90.8 -90.8 -91.2 -90.2 -92.2 -89.9 -83.1 -82.5 -89.3 100mb RH (%): 2 2 2 2 2 1 1 1 1 1 1 1 2 2 1 100mb Dir: 266 267 271 271 259 248 251 259 258 269 268 264 272 277 272 100mb Speed(kt): 34 40 37 38 46 44 48 55 68 65 76 71 67 49 54