Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z DEC 12, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 998.4 998.5 998.1 997.3 995.3 994.2 993.2 991.8 989.0 989.5 990.4 993.2 992.8 991.9 990.6 Mean SLP (mb): 1022.7 1023.0 1022.6 1021.8 1019.8 1018.8 1017.8 1016.5 1013.5 1014.3 1015.3 1017.9 1017.3 1016.3 1014.9 2m agl Tmp (F): 57.2 54.4 53.6 53.8 54.5 51.9 48.4 47.5 53.6 46.6 46.3 47.4 51.9 56.2 58.6 2m agl Dewpt(F): 54.5 54.0 53.2 52.9 51.9 50.3 45.8 44.8 50.9 41.4 37.0 42.0 44.4 40.0 35.0 2m agl RH (%): 90 99 98 97 91 94 91 90 90 82 69 81 75 54 40 10m agl Dir: 199 187 178 162 122 115 79 74 115 103 139 173 135 125 157 10m agl Spd(kt): 6 4 2 1 1 1 3 3 3 4 4 3 5 4 7 6hr Precip (in): 0.00 0.05 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 AccumPrecip(in): 0.00 0.05 0.07 0.08 0.08 0.08 0.08 0.08 0.09 0.09 0.09 0.09 0.09 0.09 0.09 Sfc CAPE (J/kg): 8.0 0.8 4.1 2.9 11.1 7.1 0.2 0.3 0.0 0.0 0.0 0.0 0.2 0.0 0.0 Sfc CINH (J/kg): -1.3 -0.1 -40.6 -8.2 0.0 -3.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 124.6 148.9 146.7 194.8 241.6 283.8 180.8 138.1 174.4 205.9 237.4 204.3 234.2 280.1 276.2 Precip H20 (in): 0.96 0.86 0.73 0.62 0.54 0.49 0.45 0.38 0.37 0.36 0.44 0.61 0.87 0.80 0.92 Lifted Index(C): 6.3 7.3 8.1 9.5 9.0 11.2 10.5 9.0 7.6 8.9 9.3 10.3 9.5 6.9 3.1 700mb VV(-ub/s): -0.2 -2.8 0.2 1.1 1.6 1.9 1.6 1.4 2.4 2.6 2.7 3.1 3.2 4.2 7.8 Thk1000-500mb(m)5562.8 5563.8 5569.7 5583.3 5585.7 5595.2 5589.8 5593.1 5597.9 5579.3 5549.0 5517.2 5514.6 5547.3 5547.0 Thk1000-850mb(m)1352.6 1352.2 1349.7 1346.7 1348.3 1348.7 1355.8 1365.1 1370.6 1358.6 1351.9 1340.9 1343.5 1353.3 1358.1 Thk850-700mb(m):1576.3 1575.1 1578.9 1589.8 1590.5 1596.4 1595.6 1596.0 1596.4 1592.5 1581.6 1566.2 1563.5 1574.8 1577.7 SWEAT Index: 168.4 145.1 109.4 84.6 98.6 91.3 84.7 62.8 146.5 163.7 141.6 142.3 187.8 280.1 257.1 Total Totals Idx 39.5 37.5 35.5 33.7 31.9 30.0 32.4 35.1 36.5 34.8 35.7 35.5 35.4 38.5 41.6 Frz Hgt(ft amsl) 10747 11024 11673 12280 12466 12708 11926 11777 11809 11573 10567 8982 8537 10020 9775 0WetBlbHgt(amsl) 8930 8664 7311 6919 7076 6606 7053 7357 7194 6848 6481 6264 8455 7713 8824 Equil Prs (mb): 895 999 998 997 995 994 993 992 989 990 990 993 993 992 991 Equil Hgt(amsl): 3657 26 26 26 26 26 26 26 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: 22.3 24.0 28.4 30.7 29.5 56.4 54.1 54.7 56.9 58.4 55.7 47.0 36.9 50.1 52.7 Showalter Index: 6.2 7.3 9.1 10.4 11.2 11.9 10.6 9.2 8.0 9.1 9.4 10.2 9.9 7.0 5.7 Cap Strength(C): 3.5 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 304 309 314 313 311 305 289 270 259 250 259 257 263 260 252 Storm Spd (kts): 20 18 18 19 23 22 20 17 20 24 26 26 23 23 32 2m HeatIndex(F): 57 54 54 54 54 52 48 48 54 47 46 47 52 56 59 2m WindChill(F): 57 54 54 54 54 52 48 48 54 47 46 47 52 56 59 1000mb GPH (m): 190 191 188 181 165 155 146 135 111 117 124 147 143 135 124 950mb GPH (m): 621 622 617 609 593 583 572 563 542 544 550 572 570 567 557 950mb Temp (C): 11.1 11.3 11.1 10.4 9.8 8.7 8.6 15.2 16.0 11.7 11.7 9.3 9.0 12.8 13.9 950mb Dewpt(C): 10.8 10.8 10.4 9.3 8.5 7.9 6.3 -1.9 -2.7 0.8 2.6 4.7 4.9 0.9 0.2 950mb RH (%): 98 97 96 93 92 95 85 30 27 47 53 72 75 43 38 950mb Dir: 215 226 266 110 244 141 161 155 144 178 197 211 175 191 196 950mb Speed(kt): 19 14 5 0 2 1 4 8 7 12 19 17 15 16 22 900mb GPH (m): 1071 1072 1067 1057 1040 1029 1024 1021 1001 997 1001 1018 1017 1017 1009 900mb Temp (C): 8.6 8.7 8.5 8.3 7.4 9.4 13.0 14.3 15.5 13.3 10.7 7.5 8.2 9.3 10.4 900mb Dewpt(C): 8.4 8.0 8.0 6.4 6.0 3.2 -2.5 -4.2 -6.2 -9.3 -3.8 1.9 1.2 -0.9 -0.3 900mb RH (%): 98 95 97 88 90 65 33 27 21 19 35 67 61 48 47 900mb Dir: 253 256 303 220 250 224 230 200 207 203 218 223 204 205 208 900mb Speed(kt): 13 13 9 4 9 15 16 9 12 25 27 22 19 28 40 850mb GPH (m): 1543 1543 1537 1528 1513 1504 1502 1500 1482 1475 1476 1487 1487 1489 1482 850mb Temp (C): 6.7 6.5 5.6 7.0 9.7 10.4 11.0 11.5 12.6 11.5 9.3 6.1 5.2 6.4 8.0 850mb Dewpt(C): 6.5 6.1 4.2 0.8 -5.3 -6.7 -6.9 -6.7 -8.4 -8.6 -5.8 -2.5 0.5 5.6 3.4 850mb RH (%): 98 97 90 65 34 29 27 27 22 23 33 54 71 95 72 850mb Dir: 276 267 251 263 270 262 263 228 215 211 226 226 222 210 216 850mb Speed(kt): 20 11 7 13 24 22 19 9 16 25 28 25 30 31 45 800mb GPH (m): 2039 2038 2030 2027 2014 2006 2005 2003 1986 1978 1975 1981 1979 1984 1981 800mb Temp (C): 4.1 3.1 3.2 8.9 7.7 8.4 8.6 9.1 9.2 8.5 6.7 3.5 2.3 3.9 5.5 800mb Dewpt(C): 3.9 2.4 0.2 -13.9 -8.6 -14.5 -11.9 -10.4 -10.7 -11.3 -9.8 -5.3 1.9 1.6 4.7 800mb RH (%): 99 95 81 18 30 18 22 24 23 23 29 52 98 85 95 800mb Dir: 278 300 280 279 277 271 271 244 220 218 229 225 232 216 223 800mb Speed(kt): 22 11 14 26 31 29 24 15 20 28 32 30 34 35 49 750mb GPH (m): 2562 2561 2556 2557 2542 2537 2535 2535 2517 2508 2501 2502 2499 2508 2505 750mb Temp (C): 2.8 2.9 5.6 5.6 5.7 7.1 6.7 6.4 6.1 5.6 3.6 1.0 0.6 3.2 1.9 750mb Dewpt(C): -1.6 -1.6 -22.9 -15.8 -17.9 -23.5 -16.8 -15.1 -16.4 -17.4 -14.4 -10.5 0.3 -6.9 0.2 750mb RH (%): 72 72 11 20 16 9 17 20 18 17 25 42 98 47 89 750mb Dir: 277 278 284 277 280 276 269 242 228 221 233 224 243 231 224 750mb Speed(kt): 22 18 27 28 35 33 28 22 25 32 36 37 28 34 47 700mb GPH (m): 3119 3119 3116 3117 3103 3101 3098 3096 3078 3068 3057 3054 3050 3063 3060 700mb Temp (C): 0.9 1.0 2.3 3.2 3.5 5.2 3.7 3.3 3.2 2.8 0.9 -1.4 -2.5 -0.1 -0.3 700mb Dewpt(C): -4.2 -12.2 -18.4 -23.1 -27.3 -26.1 -18.5 -22.0 -19.6 -23.2 -20.5 -14.8 -2.8 -6.7 -4.2 700mb RH (%): 68 37 20 13 9 8 18 14 17 13 19 35 97 61 75 700mb Dir: 284 279 285 282 283 282 265 240 233 223 235 227 239 242 225 700mb Speed(kt): 25 27 32 33 40 39 31 28 31 37 42 45 30 37 51 650mb GPH (m): 3710 3711 3710 3714 3700 3700 3694 3692 3674 3663 3649 3641 3636 3653 3648 650mb Temp (C): -2.6 -1.5 -0.8 0.2 0.5 1.1 -0.4 -0.7 -0.5 -0.8 -2.3 -3.7 -5.1 -3.7 -4.5 650mb Dewpt(C): -9.9 -25.6 -25.1 -27.0 -34.2 -20.8 -22.5 -25.1 -24.4 -26.1 -21.5 -28.1 -6.2 -6.9 -6.1 650mb RH (%): 57 14 14 11 6 18 17 14 15 13 22 14 92 79 89 650mb Dir: 282 289 287 287 284 285 259 243 234 226 236 228 236 246 224 650mb Speed(kt): 34 35 39 39 44 43 35 31 38 42 46 50 40 34 54 600mb GPH (m): 4342 4343 4345 4350 4337 4337 4328 4324 4308 4296 4278 4268 4260 4281 4274 600mb Temp (C): -4.7 -4.7 -3.9 -3.3 -3.0 -3.0 -4.4 -5.0 -4.6 -5.2 -6.9 -7.3 -8.3 -7.6 -8.4 600mb Dewpt(C): -27.8 -35.0 -32.6 -31.9 -38.4 -30.7 -26.2 -29.3 -27.3 -28.0 -21.4 -31.2 -10.0 -9.0 -8.8 600mb RH (%): 15 8 9 9 5 10 17 13 15 15 31 13 88 90 97 600mb Dir: 282 286 287 288 285 281 259 245 237 226 234 228 241 244 224 600mb Speed(kt): 41 41 45 45 48 46 41 37 47 45 48 52 45 37 54 550mb GPH (m): 5021 5022 5025 5031 5019 5019 5007 5001 4985 4972 4950 4940 4931 4955 4945 550mb Temp (C): -8.6 -8.4 -8.2 -7.7 -8.1 -8.0 -8.8 -9.9 -10.4 -10.6 -11.6 -11.4 -11.3 -10.8 -11.2 550mb Dewpt(C): -31.8 -36.1 -38.8 -36.6 -32.9 -32.2 -30.6 -29.9 -30.3 -31.5 -25.7 -14.7 -13.8 -13.8 -12.8 550mb RH (%): 14 9 7 8 12 13 16 18 18 17 31 77 82 79 88 550mb Dir: 281 286 286 287 285 278 258 247 235 227 233 232 242 240 231 550mb Speed(kt): 45 45 47 48 50 46 49 44 48 48 50 53 47 40 51 500mb GPH (m): 5753 5755 5757 5764 5750 5751 5736 5728 5709 5696 5673 5664 5658 5683 5671 500mb Temp (C): -13.1 -12.4 -12.9 -12.9 -13.7 -13.1 -14.2 -15.2 -16.2 -16.0 -16.1 -15.9 -14.9 -13.3 -15.1 500mb Dewpt(C): -35.1 -31.8 -35.6 -41.2 -36.0 -37.1 -40.9 -34.3 -35.4 -36.2 -28.1 -18.8 -22.2 -24.3 -16.6 500mb RH (%): 14 19 14 8 14 12 9 19 18 17 36 79 54 40 89 500mb Dir: 281 285 284 287 284 276 259 245 233 229 232 233 247 251 239 500mb Speed(kt): 50 49 44 49 51 46 47 46 49 49 49 50 45 43 52 450mb GPH (m): 6547 6549 6550 6557 6541 6543 6527 6513 6494 6480 6458 6451 6448 6473 6462 450mb Temp (C): -18.6 -18.8 -19.7 -19.4 -19.5 -19.3 -19.5 -21.3 -21.9 -21.8 -21.0 -21.1 -19.4 -20.4 -19.4 450mb Dewpt(C): -33.7 -27.0 -27.5 -36.4 -43.1 -35.6 -40.8 -41.7 -39.0 -39.1 -37.6 -23.7 -35.1 -30.9 -21.5 450mb RH (%): 26 49 51 22 11 23 14 15 21 20 22 80 24 39 84 450mb Dir: 280 282 287 289 281 277 256 240 233 230 233 235 251 243 241 450mb Speed(kt): 51 48 48 53 51 48 44 47 53 51 42 53 40 40 56 400mb GPH (m): 7413 7413 7410 7419 7404 7406 7388 7369 7348 7334 7315 7309 7311 7333 7327 400mb Temp (C): -25.1 -26.0 -27.5 -26.8 -26.0 -26.3 -27.0 -28.2 -28.6 -28.8 -28.1 -27.5 -26.3 -26.5 -25.2 400mb Dewpt(C): -36.1 -34.3 -30.4 -29.3 -38.2 -41.2 -41.0 -46.3 -44.8 -41.3 -39.9 -31.0 -41.0 -31.2 -27.7 400mb RH (%): 36 46 77 80 32 24 27 17 21 30 33 73 25 65 81 400mb Dir: 280 279 290 290 280 278 254 237 235 230 229 232 261 245 238 400mb Speed(kt): 53 47 50 56 51 46 39 46 51 52 39 54 43 48 58 350mb GPH (m): 8366 8366 8357 8369 8356 8356 8335 8311 8287 8274 8256 8255 8257 8284 8280 350mb Temp (C): -33.0 -32.0 -33.1 -33.2 -32.6 -33.4 -34.5 -36.0 -36.3 -35.6 -35.7 -34.5 -35.2 -34.2 -33.6 350mb Dewpt(C): -40.1 -45.4 -44.2 -36.5 -37.5 -38.2 -42.7 -54.9 -51.9 -39.6 -46.6 -38.2 -40.2 -37.9 -36.5 350mb RH (%): 50 27 34 73 63 63 45 14 20 68 33 70 61 70 75 350mb Dir: 280 276 290 293 285 276 244 233 236 235 228 230 260 253 248 350mb Speed(kt): 52 45 42 42 44 40 34 41 48 52 35 48 48 59 60 300mb GPH (m): 9433 9437 9425 9435 9422 9423 9393 9363 9341 9326 9311 9310 9309 9340 9344 300mb Temp (C): -40.5 -40.1 -40.5 -41.3 -41.6 -41.1 -42.2 -43.6 -43.1 -44.3 -43.9 -44.7 -45.0 -44.2 -41.7 300mb Dewpt(C): -48.7 -50.1 -49.5 -45.5 -49.2 -45.8 -51.9 -54.8 -51.6 -47.9 -51.8 -48.4 -50.1 -48.7 -45.1 300mb RH (%): 43 35 39 66 45 61 36 30 40 68 43 68 58 62 70 300mb Dir: 277 279 286 292 284 276 239 226 242 235 243 236 257 262 253 300mb Speed(kt): 51 47 39 37 38 29 30 34 34 50 51 51 46 58 79 250mb GPH (m): 10649 10655 10640 10645 10631 10631 10602 10570 10544 10523 10503 10499 10497 10537 10551 250mb Temp (C): -50.2 -49.9 -50.6 -51.5 -51.5 -52.2 -51.3 -49.8 -51.6 -52.6 -55.3 -55.2 -54.4 -51.9 -52.8 250mb Dewpt(C): -56.0 -56.5 -55.3 -56.7 -56.7 -57.9 -57.6 -68.4 -59.2 -57.6 -61.0 -59.4 -60.2 -60.1 -56.6 250mb RH (%): 52 48 59 56 56 52 49 11 42 57 51 61 51 39 65 250mb Dir: 279 286 285 288 286 274 246 228 242 227 251 239 259 278 257 250mb Speed(kt): 56 50 42 45 38 29 23 33 32 52 45 58 47 70 92 200mb GPH (m): 12065 12074 12055 12056 12040 12040 12017 12005 11976 11953 11919 11912 11927 11961 11964 200mb Temp (C): -61.9 -61.0 -61.3 -61.2 -60.8 -61.0 -59.9 -56.6 -55.0 -54.0 -53.5 -54.0 -53.4 -57.7 -54.7 200mb Dewpt(C): -67.4 -64.7 -65.1 -65.7 -65.1 -67.3 -66.5 -71.8 -75.2 -76.4 -82.5 -76.4 -80.1 -76.6 -76.5 200mb RH (%): 50 64 62 57 59 46 44 15 8 6 2 6 3 9 6 200mb Dir: 283 286 277 285 284 288 279 243 240 236 238 243 265 250 258 200mb Speed(kt): 59 50 49 50 44 41 31 33 50 56 57 58 48 60 62 150mb GPH (m): 13841 13844 13830 13844 13827 13836 13822 13832 13815 13809 13775 13776 13790 13804 13811 150mb Temp (C): -61.5 -61.9 -61.7 -61.1 -61.1 -60.6 -58.8 -56.9 -56.3 -53.7 -53.4 -51.9 -51.9 -53.3 -52.6 150mb Dewpt(C): -84.0 -83.0 -81.1 -81.3 -83.4 -82.0 -84.9 -86.5 -85.6 -83.8 -88.0 -86.9 -87.0 -87.9 -87.4 150mb RH (%): 5 6 8 7 5 6 3 2 2 2 1 1 1 1 1 150mb Dir: 287 294 296 293 293 294 289 277 256 245 240 255 250 253 259 150mb Speed(kt): 61 64 60 50 48 46 42 31 35 45 53 51 47 46 65 100mb GPH (m): 16326 16336 16319 16340 16329 16338 16331 16358 16348 16355 16341 16361 16368 16380 16379 100mb Temp (C): -65.6 -65.0 -65.5 -65.7 -64.9 -64.1 -64.2 -63.7 -62.3 -62.2 -60.7 -60.4 -60.2 -60.0 -61.0 100mb Dewpt(C): -90.2 -89.7 -88.3 -88.6 -89.6 -88.9 -89.1 -88.9 -90.2 -94.6 -93.5 -93.1 -93.0 -92.7 -93.4 100mb RH (%): 3 3 4 4 3 3 3 3 2 1 1 1 1 1 1 100mb Dir: 302 300 304 306 303 310 301 301 277 258 260 265 255 266 251 100mb Speed(kt): 48 50 52 45 49 45 37 29 28 28 35 34 46 42 49