Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z DEC 13, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 995.7 994.9 992.8 991.2 989.6 989.6 991.4 994.5 993.8 992.1 992.5 992.1 992.3 992.7 990.3 Mean SLP (mb): 1020.1 1019.3 1017.6 1016.1 1014.2 1014.3 1016.1 1019.3 1018.5 1016.7 1016.9 1016.5 1016.7 1017.2 1014.7 2m agl Tmp (F): 55.1 52.8 44.1 45.4 49.7 44.3 43.9 47.0 48.9 52.0 54.6 55.3 53.2 51.7 52.5 2m agl Dewpt(F): 51.2 49.1 39.6 43.7 48.2 42.6 42.1 45.7 47.5 43.6 42.5 53.1 52.7 51.0 52.1 2m agl RH (%): 86 87 84 94 95 94 93 95 95 73 63 92 98 97 98 10m agl Dir: 254 94 73 78 132 123 160 165 108 103 175 198 220 80 197 10m agl Spd(kt): 0 2 4 4 2 3 4 5 3 6 8 11 7 1 8 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.14 0.07 0.00 0.02 0.25 0.34 0.28 0.21 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.15 0.22 0.22 0.24 0.49 0.83 1.12 1.32 Sfc CAPE (J/kg): 0.5 2.3 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 35.2 64.9 21.9 Sfc CINH (J/kg): -0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -7.9 0.0 -6.6 0-3km Hel(J/kg): 237.5 245.9 151.3 154.2 172.8 207.1 244.7 184.9 178.1 295.6 356.9 398.8 215.0 226.4 254.5 Precip H20 (in): 0.57 0.48 0.44 0.36 0.38 0.43 0.55 0.82 0.94 0.80 1.08 1.03 0.98 0.84 0.76 Lifted Index(C): 7.2 11.4 10.7 8.6 8.4 9.3 10.5 7.3 8.6 5.5 2.6 0.1 2.9 3.3 1.1 700mb VV(-ub/s): 2.3 -0.2 1.0 0.8 1.5 2.2 5.0 3.1 -0.7 2.4 10.4 12.6 19.9 18.1 19.3 Thk1000-500mb(m)5589.9 5600.4 5596.7 5597.1 5591.9 5572.7 5539.4 5504.4 5505.9 5542.9 5536.5 5538.8 5506.1 5481.9 5480.9 Thk1000-850mb(m)1355.3 1356.0 1360.1 1366.3 1364.6 1355.2 1345.2 1337.5 1342.5 1355.5 1352.9 1356.3 1345.2 1335.4 1344.0 Thk850-700mb(m):1589.5 1595.4 1597.4 1597.7 1595.8 1589.5 1574.9 1559.3 1558.6 1573.7 1567.1 1578.7 1565.2 1561.6 1555.9 SWEAT Index: 94.4 84.4 81.3 65.0 151.4 166.6 121.4 179.0 221.7 271.1 288.8 380.8 207.0 161.6 226.7 Total Totals Idx 29.7 32.0 31.6 35.4 36.0 34.5 34.6 37.8 38.5 42.1 43.0 50.9 44.4 45.4 48.1 Frz Hgt(ft amsl) 12016 12620 11909 11864 11818 11314 9840 8017 7880 10002 8760 9504 9237 8573 7421 0WetBlbHgt(amsl) 7158 7116 7298 7371 6984 6830 6624 6088 7723 7669 8557 9091 9155 8537 6139 Equil Prs (mb): 996 995 993 991 990 990 991 995 994 992 993 992 796 828 864 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 26 26 26 26 6622 5536 4360 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 0.13 0.00 0.00 0.00 Conv Wind Gust: 46.5 55.4 56.4 55.7 58.4 57.0 52.2 35.8 28.1 49.2 36.1 35.1 24.9 14.3 36.0 Showalter Index: 11.8 10.8 10.9 8.8 8.4 9.6 10.2 8.5 8.3 5.5 4.7 -0.7 5.4 5.2 3.7 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 3.0 2.8 0.7 Storm Dir (deg): 311 307 289 269 258 255 262 266 272 260 264 267 277 276 278 Storm Spd (kts): 22 20 19 17 22 27 30 26 17 24 30 36 41 34 38 2m HeatIndex(F): 55 53 44 45 50 44 44 47 49 52 55 55 53 52 53 2m WindChill(F): 55 53 44 45 50 44 44 47 49 52 55 55 53 52 53 1000mb GPH (m): 167 160 144 130 117 117 132 158 152 138 141 137 139 142 122 950mb GPH (m): 597 587 570 559 545 543 556 581 578 568 570 567 568 569 551 950mb Temp (C): 10.5 8.6 10.6 15.5 13.5 11.0 9.4 7.2 9.5 12.7 10.4 11.0 10.3 7.9 10.2 950mb Dewpt(C): 10.1 7.8 5.0 -3.0 0.8 4.7 5.9 7.0 7.7 2.7 6.8 10.8 10.0 6.9 9.9 950mb RH (%): 97 95 68 27 41 65 78 98 89 50 78 99 98 93 98 950mb Dir: 341 162 142 147 164 194 203 201 195 175 198 203 228 260 217 950mb Speed(kt): 0 1 4 9 8 16 23 20 16 17 26 29 23 2 23 900mb GPH (m): 1046 1038 1024 1017 1001 995 1005 1027 1026 1020 1020 1019 1016 1013 998 900mb Temp (C): 10.2 12.5 14.4 14.9 14.9 12.4 9.9 7.2 7.5 10.1 10.6 10.0 7.4 5.2 6.9 900mb Dewpt(C): 7.2 -1.7 -5.8 -5.4 -5.1 -3.4 -0.3 6.6 4.1 0.8 10.5 9.9 7.2 3.3 5.8 900mb RH (%): 81 37 24 24 24 32 49 96 79 52 99 99 99 88 92 900mb Dir: 239 225 247 192 216 210 228 215 202 207 215 218 251 252 243 900mb Speed(kt): 10 12 13 8 15 24 27 24 22 33 44 53 34 16 33 850mb GPH (m): 1523 1516 1504 1497 1482 1473 1477 1496 1495 1493 1494 1494 1484 1478 1466 850mb Temp (C): 11.0 11.3 11.7 12.1 12.2 10.6 7.7 4.7 4.8 7.6 6.6 8.8 3.6 3.0 4.6 850mb Dewpt(C): -8.1 -5.2 -7.1 -7.7 -8.1 -7.1 -2.5 2.7 1.9 3.9 5.6 8.7 3.4 2.4 1.1 850mb RH (%): 25 31 26 24 23 28 48 87 82 77 94 99 99 96 78 850mb Dir: 275 255 258 221 218 219 233 231 216 207 220 229 257 255 243 850mb Speed(kt): 22 19 18 10 19 28 34 24 22 34 47 51 39 24 42 800mb GPH (m): 2025 2019 2008 2001 1985 1974 1974 1988 1986 1990 1988 1993 1975 1968 1957 800mb Temp (C): 8.0 8.4 9.3 9.6 9.0 8.0 5.1 2.8 2.0 4.5 3.1 5.7 1.8 2.1 1.7 800mb Dewpt(C): -8.6 -10.2 -11.2 -11.0 -12.3 -10.3 -6.0 -7.0 1.3 0.9 0.8 4.4 1.7 1.9 -3.3 800mb RH (%): 30 25 22 22 21 26 44 48 95 77 85 91 99 99 69 800mb Dir: 272 263 266 235 219 224 235 243 238 214 218 235 253 249 241 800mb Speed(kt): 29 23 23 15 22 32 39 27 22 32 40 45 50 36 45 750mb GPH (m): 2553 2549 2539 2533 2516 2503 2498 2506 2505 2513 2508 2518 2496 2489 2474 750mb Temp (C): 4.8 6.4 6.8 6.5 6.4 5.2 2.5 -0.4 -0.5 1.8 0.3 2.4 1.6 0.8 -1.2 750mb Dewpt(C): -14.9 -21.0 -15.9 -15.6 -17.7 -16.2 -10.4 -10.1 -0.9 -4.9 0.1 0.1 1.4 0.7 -6.4 750mb RH (%): 22 12 18 19 16 20 38 48 97 61 98 85 98 99 68 750mb Dir: 276 277 269 240 223 227 237 250 264 225 226 242 242 237 239 750mb Speed(kt): 32 28 26 22 26 37 44 32 21 30 38 45 59 45 46 700mb GPH (m): 3112 3112 3101 3094 3077 3062 3052 3055 3053 3067 3061 3072 3049 3040 3022 700mb Temp (C): 2.8 4.7 3.6 3.4 3.0 2.2 -0.3 -3.0 -2.9 -0.1 -0.8 -1.1 -1.2 -2.8 -2.7 700mb Dewpt(C): -24.4 -26.3 -18.0 -20.3 -20.5 -23.9 -15.1 -14.5 -3.4 -6.4 -1.1 -1.9 -1.4 -2.9 -20.6 700mb RH (%): 12 9 19 16 16 13 32 41 96 62 98 94 98 99 24 700mb Dir: 283 286 265 245 228 227 237 251 256 236 244 240 244 237 243 700mb Speed(kt): 37 35 29 28 31 41 48 37 21 34 45 51 67 57 51 650mb GPH (m): 3708 3711 3698 3691 3673 3656 3641 3638 3638 3656 3651 3660 3637 3622 3607 650mb Temp (C): -0.2 0.9 -0.5 -0.5 -0.4 -1.2 -3.2 -6.5 -5.4 -3.7 -3.2 -4.9 -5.1 -6.8 -4.8 650mb Dewpt(C): -31.3 -21.8 -22.3 -25.2 -23.4 -27.7 -20.2 -18.6 -7.6 -14.3 -3.6 -6.3 -5.6 -10.9 -22.3 650mb RH (%): 8 17 18 14 16 12 26 38 85 44 97 90 96 73 24 650mb Dir: 287 287 259 246 232 229 235 252 251 246 257 242 244 239 254 650mb Speed(kt): 43 41 34 33 39 45 53 43 23 35 46 55 69 68 59 600mb GPH (m): 4343 4347 4332 4324 4306 4288 4269 4260 4263 4283 4280 4284 4260 4244 4230 600mb Temp (C): -3.3 -3.2 -4.6 -5.0 -4.9 -5.5 -6.4 -7.3 -8.2 -8.1 -7.5 -8.5 -9.4 -9.3 -10.0 600mb Dewpt(C): -35.1 -29.7 -23.8 -28.5 -26.7 -27.2 -26.8 -7.9 -11.2 -10.3 -8.6 -13.3 -12.4 -23.8 -14.5 600mb RH (%): 7 11 21 14 17 17 18 95 79 84 92 68 79 30 70 600mb Dir: 286 283 257 247 236 229 234 239 251 248 257 248 247 249 257 600mb Speed(kt): 50 43 39 38 46 52 57 57 27 42 44 55 76 77 74 550mb GPH (m): 5025 5029 5010 5001 4984 4964 4944 4936 4934 4956 4953 4954 4928 4910 4894 550mb Temp (C): -7.6 -8.0 -9.0 -9.7 -9.9 -10.1 -10.2 -10.5 -11.8 -11.3 -11.5 -12.0 -13.4 -14.1 -15.9 550mb Dewpt(C): -35.8 -31.7 -32.8 -31.6 -32.9 -32.4 -21.9 -11.9 -14.0 -12.1 -12.8 -35.8 -24.7 -26.6 -18.1 550mb RH (%): 9 13 13 15 14 15 38 89 84 93 90 12 39 35 83 550mb Dir: 284 280 255 247 235 230 233 231 253 250 251 249 249 249 255 550mb Speed(kt): 52 46 44 44 52 56 56 59 34 46 44 61 83 81 83 500mb GPH (m): 5757 5761 5741 5728 5709 5690 5671 5663 5658 5681 5677 5676 5645 5624 5603 500mb Temp (C): -13.4 -12.9 -13.5 -15.5 -15.9 -15.5 -14.7 -15.2 -15.9 -15.3 -15.4 -16.7 -18.6 -20.0 -21.2 500mb Dewpt(C): -35.9 -37.9 -39.3 -35.8 -35.2 -32.0 -30.5 -17.0 -17.7 -20.4 -17.1 -45.8 -34.3 -25.6 -23.3 500mb RH (%): 14 11 10 16 18 24 25 86 86 65 87 7 25 62 84 500mb Dir: 283 278 257 243 233 233 232 237 261 249 245 250 247 253 254 500mb Speed(kt): 51 47 45 45 56 57 54 61 40 46 49 67 87 84 81 450mb GPH (m): 6549 6553 6532 6513 6493 6475 6460 6451 6444 6467 6464 6457 6420 6397 6372 450mb Temp (C): -19.3 -19.2 -19.7 -21.3 -21.8 -21.8 -20.4 -20.0 -20.6 -21.3 -20.4 -22.9 -25.5 -25.4 -25.1 450mb Dewpt(C): -38.2 -36.0 -36.8 -45.2 -38.2 -28.4 -35.3 -22.2 -22.9 -25.5 -22.4 -35.0 -35.0 -32.4 -27.6 450mb RH (%): 18 22 21 10 22 56 26 83 82 69 84 33 42 53 80 450mb Dir: 284 278 257 239 232 235 241 243 259 257 243 250 250 255 253 450mb Speed(kt): 51 47 44 49 59 57 55 52 47 45 58 76 86 84 95 400mb GPH (m): 7414 7416 7392 7369 7347 7331 7320 7312 7304 7324 7326 7309 7262 7240 7221 400mb Temp (C): -25.7 -26.3 -27.4 -28.2 -28.7 -27.9 -27.0 -26.7 -27.5 -27.8 -26.3 -29.6 -31.5 -31.6 -29.2 400mb Dewpt(C): -36.0 -39.8 -36.4 -48.0 -43.0 -36.3 -40.2 -29.4 -30.4 -34.2 -28.8 -44.7 -37.9 -35.7 -32.1 400mb RH (%): 39 28 43 14 25 46 29 78 77 55 80 23 54 68 77 400mb Dir: 286 277 254 239 233 244 231 241 261 260 243 248 254 259 259 400mb Speed(kt): 53 43 38 47 61 54 57 48 46 57 62 79 102 106 111 350mb GPH (m): 8365 8365 8338 8310 8287 8275 8266 8261 8249 8267 8276 8243 8192 8168 8165 350mb Temp (C): -33.3 -34.0 -34.4 -36.2 -35.9 -35.2 -34.7 -33.9 -34.6 -35.3 -34.0 -38.2 -38.7 -39.2 -34.5 350mb Dewpt(C): -38.6 -39.8 -42.3 -55.6 -48.0 -47.7 -40.7 -39.3 -38.2 -45.5 -37.3 -42.8 -42.0 -45.1 -37.8 350mb RH (%): 60 57 46 13 29 29 55 59 71 36 73 63 72 55 73 350mb Dir: 287 279 249 236 235 253 227 239 254 261 244 251 248 257 255 350mb Speed(kt): 46 36 35 41 49 48 57 48 43 65 69 80 110 106 123 300mb GPH (m): 9429 9428 9397 9364 9344 9326 9323 9320 9305 9320 9333 9286 9230 9210 9225 300mb Temp (C): -41.1 -41.3 -42.5 -43.6 -42.7 -45.1 -43.8 -43.0 -44.0 -43.6 -43.3 -46.2 -47.5 -45.0 -42.5 300mb Dewpt(C): -46.9 -49.6 -51.6 -56.6 -46.1 -49.7 -47.3 -46.5 -47.8 -58.9 -46.9 -51.8 -50.4 -51.5 -45.9 300mb RH (%): 55 42 38 24 70 61 69 69 67 19 69 54 73 50 70 300mb Dir: 285 268 240 239 245 260 244 246 243 263 251 256 252 269 260 300mb Speed(kt): 36 32 32 32 38 47 63 55 49 70 79 90 104 123 134 250mb GPH (m): 10641 10641 10605 10569 10547 10521 10517 10519 10502 10524 10535 10478 10412 10406 10426 250mb Temp (C): -51.5 -51.0 -50.9 -49.8 -52.5 -52.9 -54.4 -54.3 -52.1 -51.2 -52.9 -51.7 -53.5 -53.1 -54.0 250mb Dewpt(C): -57.6 -58.5 -59.6 -65.9 -56.3 -64.2 -59.3 -58.1 -61.1 -68.1 -56.4 -64.7 -62.9 -59.9 -57.7 250mb RH (%): 50 42 37 15 65 27 56 65 35 13 67 22 33 45 65 250mb Dir: 294 273 242 240 240 244 249 255 244 269 255 249 251 272 266 250mb Speed(kt): 35 27 23 35 37 57 65 68 54 80 106 97 118 145 139 200mb GPH (m): 12049 12054 12024 12006 11975 11944 11929 11926 11935 11956 11955 11918 11847 11828 11823 200mb Temp (C): -62.3 -61.1 -59.1 -55.9 -53.9 -54.1 -55.9 -54.3 -53.4 -54.9 -54.2 -52.0 -51.6 -54.6 -60.8 200mb Dewpt(C): -68.4 -65.5 -65.2 -76.0 -75.3 -76.6 -76.2 -74.7 -78.7 -76.1 -74.6 -77.8 -79.3 -76.4 -68.4 200mb RH (%): 47 58 48 8 7 6 8 8 4 7 8 4 3 6 39 200mb Dir: 285 287 272 243 240 240 243 265 262 263 261 251 257 260 275 200mb Speed(kt): 40 37 27 35 60 60 59 55 61 58 77 96 112 125 127 150mb GPH (m): 13837 13843 13827 13840 13819 13802 13784 13791 13792 13809 13814 13791 13718 13693 13657 150mb Temp (C): -59.7 -60.2 -59.6 -56.3 -55.2 -52.9 -52.7 -52.5 -53.4 -51.3 -51.9 -50.1 -50.3 -50.4 -52.6 150mb Dewpt(C): -83.8 -84.3 -81.1 -85.7 -84.9 -83.2 -82.9 -87.3 -87.8 -86.5 -82.4 -85.6 -85.8 -85.9 -82.9 150mb RH (%): 4 4 6 2 2 2 2 1 1 1 2 1 1 1 2 150mb Dir: 293 295 295 284 247 245 256 266 261 259 259 245 252 263 268 150mb Speed(kt): 51 51 42 35 36 51 49 44 54 54 67 76 94 90 110 100mb GPH (m): 16345 16350 16334 16361 16353 16357 16346 16360 16364 16379 16387 16378 16326 16298 16260 100mb Temp (C): -64.3 -64.2 -64.0 -63.8 -62.7 -61.8 -61.7 -59.9 -60.6 -61.1 -61.5 -59.5 -56.5 -57.3 -57.4 100mb Dewpt(C): -89.4 -89.4 -91.6 -91.4 -90.5 -89.8 -89.6 -92.6 -93.1 -93.5 -89.5 -92.2 -90.2 -90.8 -91.0 100mb RH (%): 3 3 2 2 2 2 2 1 1 1 2 1 1 1 1 100mb Dir: 308 308 302 295 284 256 266 268 263 265 253 244 242 255 260 100mb Speed(kt): 46 44 38 31 27 29 38 39 41 45 49 51 51 60 61