Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z DEC 10, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 994.9 994.5 993.8 994.8 995.8 997.6 997.7 998.5 997.8 997.6 995.9 995.4 993.9 992.0 988.8 Mean SLP (mb): 1019.2 1018.9 1018.2 1019.4 1020.4 1022.2 1022.2 1023.0 1022.4 1022.2 1020.4 1020.1 1018.5 1016.8 1013.3 2m agl Tmp (F): 55.5 55.0 55.5 52.3 51.6 51.7 53.0 52.8 52.7 53.2 53.3 50.5 49.1 47.7 50.5 2m agl Dewpt(F): 54.7 54.6 54.5 51.8 51.1 51.2 52.6 52.4 52.1 52.7 52.8 48.7 46.3 46.1 48.3 2m agl RH (%): 97 98 96 98 98 98 98 98 98 98 98 94 90 94 92 10m agl Dir: 206 214 215 219 218 223 204 187 94 209 186 147 99 96 151 10m agl Spd(kt): 9 11 12 11 9 6 5 4 2 1 1 3 3 3 3 6hr Precip (in): 0.00 0.09 0.06 0.16 0.20 0.20 0.12 0.10 0.02 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.09 0.15 0.31 0.51 0.71 0.83 0.94 0.95 0.95 0.96 0.96 0.96 0.96 0.96 Sfc CAPE (J/kg): 0.0 0.9 15.5 0.0 0.0 0.0 0.1 0.4 0.7 14.5 34.1 0.8 3.9 0.1 0.0 Sfc CINH (J/kg): -0.4 -1.5 0.0 0.0 0.0 0.0 -0.1 0.0 0.0 -13.2 0.0 -4.1 -1.4 0.0 0.0 0-3km Hel(J/kg): 354.7 314.8 271.2 345.9 253.0 270.4 223.3 154.3 194.4 148.8 132.1 202.1 210.9 179.3 206.9 Precip H20 (in): 1.04 0.92 0.93 0.98 0.99 1.02 1.08 0.97 0.76 0.62 0.58 0.48 0.46 0.48 0.43 Lifted Index(C): 4.8 6.0 6.9 6.6 7.8 4.7 6.2 5.7 7.4 8.9 9.2 11.9 11.0 7.9 7.3 700mb VV(-ub/s): 1.2 0.7 0.4 2.6 0.0 0.9 -0.5 -1.9 1.4 1.6 0.2 1.5 3.7 1.0 4.9 Thk1000-500mb(m)5566.5 5579.9 5571.8 5551.6 5541.3 5541.6 5546.2 5554.0 5564.1 5570.5 5571.4 5574.2 5568.7 5564.0 5552.4 Thk1000-850mb(m)1356.2 1353.2 1350.3 1348.6 1346.6 1347.0 1349.6 1350.0 1347.1 1343.3 1341.5 1340.4 1345.1 1355.8 1361.1 Thk850-700mb(m):1577.3 1578.9 1577.4 1571.5 1570.8 1572.5 1572.9 1573.1 1580.1 1589.2 1589.2 1589.4 1586.0 1582.3 1580.7 SWEAT Index: 334.5 305.2 263.6 222.8 198.3 219.8 184.6 154.0 108.8 87.7 89.3 92.9 84.4 136.7 169.1 Total Totals Idx 42.1 38.6 38.0 39.1 36.9 42.3 39.9 40.3 38.1 33.6 33.5 29.8 32.9 38.4 40.4 Frz Hgt(ft amsl) 10784 11846 11201 8855 9146 8959 9368 10423 11208 11817 11848 12307 11870 10898 9987 0WetBlbHgt(amsl) 8840 7843 8264 8646 9097 8808 9168 8472 7565 6744 6549 6166 6445 7043 6758 Equil Prs (mb): 995 995 892 995 996 998 998 998 998 848 860 995 994 992 989 Equil Hgt(amsl): 26 26 3634 26 26 26 26 26 26 5080 4636 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: 32.6 32.7 29.2 14.2 23.9 21.8 21.5 24.5 24.3 30.2 25.4 27.6 55.3 53.6 57.3 Showalter Index: 4.6 6.8 6.9 6.2 8.0 4.3 6.0 5.7 7.8 10.9 11.0 12.3 10.8 7.8 6.8 Cap Strength(C):-999.9 -999.9 0.0 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 7.8 5.7 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 293 288 288 294 301 306 314 307 309 315 314 312 301 274 264 Storm Spd (kts): 33 34 33 33 31 27 23 17 16 17 20 21 21 21 26 2m HeatIndex(F): 56 55 56 52 52 52 53 53 53 53 53 50 49 48 51 2m WindChill(F): 56 55 56 52 52 52 53 53 53 53 53 50 49 48 51 1000mb GPH (m): 161 158 152 160 168 183 184 191 185 184 169 166 152 137 109 950mb GPH (m): 592 587 582 588 595 610 613 619 614 612 597 591 576 563 538 950mb Temp (C): 11.6 11.2 10.9 9.5 9.4 9.6 10.2 10.4 10.4 9.9 9.0 7.9 6.7 10.8 12.8 950mb Dewpt(C): 11.3 11.1 10.8 9.3 9.3 9.5 9.9 10.1 10.0 9.6 8.7 7.4 6.1 2.6 -1.4 950mb RH (%): 98 99 99 99 99 99 98 98 97 98 98 97 96 56 37 950mb Dir: 217 220 220 222 228 235 228 230 323 312 237 188 118 169 191 950mb Speed(kt): 27 30 28 29 26 23 18 14 5 3 2 3 4 10 10 900mb GPH (m): 1043 1039 1031 1037 1044 1058 1062 1069 1063 1060 1043 1036 1023 1017 993 900mb Temp (C): 9.8 9.5 8.4 9.2 8.5 7.9 8.7 9.1 7.7 7.3 6.7 6.0 10.1 12.7 13.4 900mb Dewpt(C): 8.5 9.2 8.1 8.8 8.2 7.5 8.4 8.7 7.3 6.0 6.1 4.9 -1.1 -0.9 -5.2 900mb RH (%): 91 98 98 98 98 98 98 98 97 91 96 92 45 38 27 900mb Dir: 235 238 235 247 264 263 266 262 319 313 246 234 224 209 223 900mb Speed(kt): 34 43 40 41 31 22 23 15 6 3 6 9 15 17 25 850mb GPH (m): 1517 1511 1502 1509 1515 1530 1534 1541 1532 1527 1511 1506 1498 1493 1470 850mb Temp (C): 7.8 6.4 6.7 7.1 5.8 7.5 6.8 6.8 5.2 4.2 4.9 9.2 9.4 9.8 10.4 850mb Dewpt(C): 6.8 6.0 6.4 6.8 5.5 7.4 6.4 6.5 4.5 2.2 0.7 -7.3 -5.6 -2.4 -4.0 850mb RH (%): 93 97 98 98 98 99 97 98 95 87 74 30 34 42 36 850mb Dir: 243 240 249 260 265 264 277 277 260 285 285 273 272 232 224 850mb Speed(kt): 41 40 37 39 32 37 29 15 6 7 14 21 21 17 28 800mb GPH (m): 2015 2006 1999 2006 2010 2028 2030 2037 2028 2024 2009 2006 1997 1993 1971 800mb Temp (C): 4.9 4.0 4.7 4.5 4.1 4.8 4.3 4.1 5.9 9.6 7.7 7.3 7.0 6.7 6.6 800mb Dewpt(C): 4.5 2.9 3.9 4.2 3.8 4.5 4.0 3.6 -0.9 -17.9 -12.6 -15.2 -11.4 -6.8 -7.4 800mb RH (%): 98 92 95 98 98 98 97 96 62 13 22 18 25 37 36 800mb Dir: 251 257 267 263 271 275 284 260 239 276 288 281 282 250 229 800mb Speed(kt): 42 42 38 39 35 38 29 13 19 22 27 29 27 20 31 750mb GPH (m): 2538 2531 2523 2529 2533 2551 2554 2559 2555 2555 2539 2534 2525 2519 2496 750mb Temp (C): 2.0 3.9 2.7 0.8 1.6 0.8 1.7 0.7 4.5 6.2 6.2 5.8 4.8 3.4 3.3 750mb Dewpt(C): -0.1 -7.9 -2.8 0.5 1.4 0.6 1.3 -0.4 -14.4 -18.4 -19.8 -21.4 -18.8 -10.0 -11.2 750mb RH (%): 86 42 67 98 98 99 97 92 24 15 13 12 16 37 34 750mb Dir: 263 263 267 266 279 274 291 264 257 278 283 283 278 257 234 750mb Speed(kt): 41 46 42 41 40 34 31 18 23 26 32 34 31 26 34 700mb GPH (m): 3094 3090 3080 3080 3086 3103 3107 3114 3113 3116 3100 3095 3084 3075 3051 700mb Temp (C): 1.0 2.1 1.5 -1.8 -1.9 -1.6 -1.4 0.3 1.6 2.8 3.0 3.3 2.5 1.2 0.0 700mb Dewpt(C): -6.7 -13.9 -14.5 -3.6 -2.1 -2.6 -2.5 -6.1 -25.5 -18.5 -20.8 -23.8 -21.9 -17.2 -16.0 700mb RH (%): 56 29 29 87 99 92 92 62 11 19 16 12 15 24 29 700mb Dir: 270 264 266 272 283 282 289 282 269 282 284 282 274 256 240 700mb Speed(kt): 45 48 48 47 41 35 30 25 27 30 35 38 37 34 39 650mb GPH (m): 3686 3685 3673 3669 3671 3690 3695 3704 3705 3711 3695 3692 3679 3668 3640 650mb Temp (C): -2.1 -0.3 -1.1 -2.5 -4.4 -4.9 -4.2 -2.6 -1.5 -0.6 -0.5 0.4 -0.3 -1.7 -3.5 650mb Dewpt(C): -10.2 -16.9 -20.7 -17.2 -10.1 -7.7 -6.0 -10.9 -26.9 -24.4 -25.9 -28.5 -23.7 -22.3 -18.0 650mb RH (%): 54 28 21 32 65 81 88 53 13 15 13 10 15 19 32 650mb Dir: 274 266 268 275 272 287 302 282 278 286 287 283 272 251 241 650mb Speed(kt): 52 52 54 55 49 43 37 28 30 35 38 41 41 40 43 600mb GPH (m): 4318 4321 4306 4300 4301 4316 4322 4337 4338 4345 4330 4328 4313 4300 4267 600mb Temp (C): -5.0 -3.1 -3.8 -5.3 -5.6 -6.0 -6.8 -4.9 -4.6 -4.4 -3.7 -3.6 -4.4 -5.2 -7.0 600mb Dewpt(C): -15.2 -17.0 -25.8 -20.1 -17.5 -15.2 -10.1 -26.0 -30.2 -28.8 -35.8 -31.8 -30.5 -28.9 -26.7 600mb RH (%): 45 33 17 30 39 48 77 18 12 13 7 9 11 14 19 600mb Dir: 276 268 267 275 277 288 297 289 285 288 287 286 270 248 240 600mb Speed(kt): 62 57 57 60 59 50 40 33 36 40 44 44 39 46 51 550mb GPH (m): 4997 5004 4989 4979 4978 4994 4999 5015 5018 5024 5010 5008 4992 4976 4940 550mb Temp (C): -8.9 -7.3 -7.3 -8.3 -8.9 -8.7 -9.0 -9.2 -7.9 -8.8 -8.4 -8.3 -8.8 -10.2 -11.5 550mb Dewpt(C): -21.9 -18.1 -20.8 -24.1 -25.0 -26.1 -21.8 -27.0 -27.4 -33.7 -34.1 -38.4 -35.6 -32.2 -31.3 550mb RH (%): 34 42 33 27 26 24 35 23 20 12 11 7 10 15 18 550mb Dir: 277 269 264 272 278 283 289 290 288 287 285 289 271 247 237 550mb Speed(kt): 68 61 61 61 63 58 49 38 40 46 49 46 43 48 59 500mb GPH (m): 5727 5737 5724 5712 5710 5725 5731 5745 5749 5754 5741 5740 5721 5701 5662 500mb Temp (C): -13.7 -13.1 -12.4 -12.6 -12.8 -13.7 -13.3 -13.6 -14.2 -13.6 -14.0 -13.9 -14.5 -15.5 -17.0 500mb Dewpt(C): -23.7 -18.5 -18.8 -27.3 -31.8 -28.8 -29.6 -30.5 -18.2 -40.4 -33.7 -37.6 -37.9 -35.8 -36.1 500mb RH (%): 43 64 59 29 19 28 25 23 72 9 18 12 12 17 18 500mb Dir: 279 271 261 272 278 283 285 287 293 286 285 288 271 245 236 500mb Speed(kt): 73 64 63 63 68 57 48 46 43 48 52 50 43 50 62 450mb GPH (m): 6519 6531 6519 6508 6504 6517 6524 6536 6540 6545 6531 6530 6510 6487 6443 450mb Temp (C): -19.5 -18.4 -18.3 -17.9 -18.7 -19.3 -19.3 -19.8 -20.2 -19.8 -19.9 -20.0 -20.1 -21.1 -22.5 450mb Dewpt(C): -25.1 -31.4 -23.9 -28.1 -26.4 -29.7 -27.6 -31.2 -23.0 -31.8 -39.7 -39.3 -41.5 -40.7 -42.2 450mb RH (%): 62 32 62 41 51 40 49 36 79 35 16 17 14 16 16 450mb Dir: 281 272 262 271 277 282 282 285 293 283 284 286 271 242 234 450mb Speed(kt): 81 66 63 67 71 62 49 48 45 51 58 52 45 44 65 400mb GPH (m): 7383 7398 7385 7376 7369 7381 7387 7398 7399 7405 7391 7392 7372 7345 7295 400mb Temp (C): -25.6 -24.8 -25.4 -25.0 -25.7 -25.8 -26.0 -26.5 -27.2 -27.1 -26.7 -25.8 -26.6 -27.7 -29.7 400mb Dewpt(C): -30.2 -39.3 -29.3 -31.9 -36.2 -32.9 -32.9 -32.4 -30.5 -33.1 -30.2 -48.5 -40.9 -42.6 -43.8 400mb RH (%): 66 26 71 54 38 52 53 58 73 58 73 11 26 24 25 400mb Dir: 282 273 264 270 275 282 283 283 291 283 285 285 272 238 232 400mb Speed(kt): 82 67 66 69 71 67 54 43 43 52 59 54 45 44 68 350mb GPH (m): 8338 8353 8339 8330 8324 8334 8337 8348 8347 8354 8345 8342 8319 8287 8231 350mb Temp (C): -32.0 -31.5 -32.5 -32.3 -31.8 -32.2 -33.0 -32.9 -33.5 -33.8 -32.3 -33.5 -34.1 -35.6 -36.6 350mb Dewpt(C): -35.5 -35.5 -36.0 -43.6 -38.3 -40.2 -36.9 -38.5 -37.2 -38.0 -36.1 -37.5 -38.1 -40.1 -45.9 350mb RH (%): 71 69 72 33 53 46 69 58 70 67 70 68 68 64 39 350mb Dir: 280 268 265 269 272 278 282 283 295 289 288 283 274 236 235 350mb Speed(kt): 78 70 68 72 67 66 53 39 39 48 46 48 43 45 63 300mb GPH (m): 9408 9423 9406 9400 9395 9404 9404 9415 9410 9416 9412 9407 9379 9340 9283 300mb Temp (C): -40.7 -40.8 -40.9 -40.0 -40.1 -40.2 -41.0 -41.3 -42.0 -41.7 -41.8 -41.6 -42.7 -44.9 -43.9 300mb Dewpt(C): -44.1 -44.8 -45.1 -45.8 -47.2 -45.7 -46.8 -46.7 -46.9 -46.1 -45.8 -46.2 -47.6 -48.7 -47.3 300mb RH (%): 71 67 65 55 48 57 55 58 60 63 66 62 60 66 70 300mb Dir: 281 273 265 272 274 275 278 284 287 292 293 277 264 229 241 300mb Speed(kt): 80 77 69 73 66 65 56 42 43 52 42 41 39 39 58 250mb GPH (m): 10620 10636 10622 10618 10610 10621 10618 10626 10617 10625 10617 10615 10583 10532 10481 250mb Temp (C): -51.4 -51.1 -49.8 -50.1 -50.9 -50.4 -50.2 -51.0 -51.5 -52.1 -52.8 -52.2 -52.3 -53.1 -52.9 250mb Dewpt(C): -56.6 -55.3 -55.2 -53.8 -56.8 -55.7 -58.6 -55.8 -58.6 -55.8 -57.3 -56.1 -58.7 -60.3 -56.8 250mb RH (%): 56 62 55 67 52 55 39 58 45 66 60 64 48 44 64 250mb Dir: 283 275 267 272 277 277 278 286 290 291 296 279 253 233 235 250mb Speed(kt): 84 81 75 75 72 71 64 50 53 54 51 40 33 41 59 200mb GPH (m): 12030 12047 12045 12037 12029 12034 12034 12042 12032 12028 12021 12017 11990 11957 11909 200mb Temp (C): -62.2 -62.4 -60.2 -59.8 -58.6 -60.9 -61.7 -61.2 -59.6 -61.9 -60.3 -61.0 -60.1 -55.3 -53.1 200mb Dewpt(C): -68.0 -66.7 -65.3 -64.9 -65.5 -65.9 -64.6 -67.3 -68.3 -65.9 -66.9 -66.8 -67.3 -73.5 -75.7 200mb RH (%): 49 59 54 53 43 54 71 47 34 60 44 49 41 10 6 200mb Dir: 285 280 270 268 276 278 279 281 288 288 291 284 268 254 238 200mb Speed(kt): 85 79 78 79 76 73 72 62 55 58 56 48 40 44 61 150mb GPH (m): 13800 13827 13829 13829 13827 13823 13817 13823 13818 13822 13819 13815 13792 13790 13765 150mb Temp (C): -59.8 -60.7 -61.8 -60.1 -60.1 -60.7 -60.4 -61.5 -61.5 -60.0 -60.8 -59.1 -58.8 -56.5 -53.6 150mb Dewpt(C): -80.5 -84.2 -81.8 -84.0 -84.2 -84.6 -84.3 -82.5 -82.6 -85.9 -82.1 -83.5 -83.4 -85.8 -88.1 150mb RH (%): 7 4 7 4 4 4 4 6 6 3 6 4 4 2 1 150mb Dir: 291 282 280 280 288 280 288 292 288 293 291 296 290 284 252 150mb Speed(kt): 66 61 61 59 58 57 69 64 59 54 54 48 45 44 47 100mb GPH (m): 16313 16314 16314 16329 16322 16317 16317 16320 16315 16325 16314 16328 16309 16330 16314 100mb Temp (C): -64.5 -65.9 -66.0 -65.3 -65.7 -64.3 -65.0 -64.5 -64.5 -64.1 -64.5 -63.7 -63.9 -61.7 -62.4 100mb Dewpt(C): -86.2 -88.7 -88.9 -88.3 -88.6 -89.2 -89.7 -89.3 -89.3 -89.0 -89.3 -88.5 -88.7 -89.7 -90.2 100mb RH (%): 5 4 4 4 4 3 3 3 3 3 3 3 3 2 2 100mb Dir: 296 297 296 287 289 292 299 296 297 310 308 311 307 298 272 100mb Speed(kt): 32 38 41 39 46 47 50 50 59 55 49 49 43 34 35