Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z DEC 11, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 996.0 997.1 998.0 998.0 997.9 997.5 995.3 994.6 993.4 992.5 990.2 990.9 990.8 992.2 992.5 Mean SLP (mb): 1020.5 1021.6 1022.5 1022.6 1022.4 1022.1 1019.8 1019.3 1018.2 1017.3 1014.8 1015.7 1015.7 1017.0 1017.0 2m agl Tmp (F): 54.9 53.2 53.4 53.1 52.2 52.4 53.2 49.6 47.9 46.3 52.6 48.9 47.0 50.1 52.5 2m agl Dewpt(F): 53.5 52.6 52.3 52.2 51.0 51.0 51.0 48.4 44.1 43.4 48.9 45.0 38.5 38.2 36.6 2m agl RH (%): 95 97 96 97 96 95 92 96 87 89 87 86 72 63 54 10m agl Dir: 207 214 201 159 145 131 238 112 72 84 101 110 117 136 130 10m agl Spd(kt): 8 9 6 3 1 1 0 1 3 3 1 3 4 3 5 6hr Precip (in): 0.00 0.22 0.14 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.22 0.36 0.39 0.39 0.39 0.39 0.40 0.40 0.40 0.40 0.40 0.40 0.40 0.40 Sfc CAPE (J/kg): 0.0 0.3 0.5 1.7 0.9 3.6 12.3 11.0 0.5 0.1 0.0 0.0 0.0 0.0 0.0 Sfc CINH (J/kg): 0.0 0.0 -0.4 -29.0 -10.5 -8.6 -0.2 0.0 -0.3 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 319.6 324.5 184.1 142.3 197.2 198.1 256.4 301.0 222.5 128.5 187.1 189.2 229.5 235.7 251.2 Precip H20 (in): 0.99 1.02 1.00 0.76 0.65 0.55 0.49 0.46 0.42 0.40 0.40 0.42 0.44 0.58 0.88 Lifted Index(C): 5.7 4.9 6.5 9.9 10.6 11.2 10.3 12.6 11.0 8.4 9.0 9.1 10.3 12.2 4.9 700mb VV(-ub/s): -4.4 0.1 0.2 0.1 0.8 1.4 2.6 1.7 1.7 0.2 3.6 1.8 0.7 4.8 -3.4 Thk1000-500mb(m)5564.6 5559.2 5559.2 5566.1 5570.8 5577.8 5583.5 5584.3 5581.9 5573.2 5580.2 5564.6 5557.9 5541.7 5521.4 Thk1000-850mb(m)1353.0 1351.4 1349.6 1347.5 1344.5 1343.4 1346.9 1342.9 1348.8 1359.8 1366.4 1358.3 1354.1 1349.2 1341.6 Thk850-700mb(m):1576.6 1574.8 1573.1 1576.8 1582.4 1589.3 1591.0 1595.1 1594.3 1590.0 1589.5 1587.0 1582.0 1573.3 1571.3 SWEAT Index: 218.0 212.7 172.7 111.2 91.7 78.2 100.3 98.5 89.9 74.9 161.4 160.5 162.3 173.2 216.3 Total Totals Idx 40.6 41.4 39.6 33.5 33.5 31.1 30.0 29.5 31.9 37.5 35.0 35.6 33.4 30.1 40.3 Frz Hgt(ft amsl) 9646 9554 10136 11358 11639 12206 12300 12489 11882 11206 11326 10742 10767 9889 8746 0WetBlbHgt(amsl) 9037 9281 9208 8476 6703 6478 6796 6525 6785 7087 6956 6922 6570 6123 8105 Equil Prs (mb): 996 997 998 998 998 998 995 995 993 993 990 991 991 992 993 Equil Hgt(amsl): 26 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: 26.3 11.5 20.5 23.3 28.2 52.4 54.4 57.2 55.2 55.7 57.8 57.3 57.4 56.3 43.6 Showalter Index: 5.2 4.9 6.1 10.3 10.4 12.0 11.9 12.2 10.8 8.2 9.1 9.1 10.5 12.6 7.0 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 6.3 8.1 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 299 303 308 306 314 311 309 306 292 271 263 259 261 259 265 Storm Spd (kts): 30 27 20 17 18 19 23 23 19 18 20 23 25 26 25 2m HeatIndex(F): 55 53 53 53 52 52 53 50 48 46 53 49 47 50 52 2m WindChill(F): 55 53 53 53 52 52 53 50 48 46 53 49 47 50 52 1000mb GPH (m): 170 180 187 187 186 183 164 159 149 141 121 128 127 139 141 950mb GPH (m): 600 608 615 616 614 610 591 583 572 567 551 555 554 567 568 950mb Temp (C): 10.8 10.1 10.7 10.9 10.2 9.4 8.8 7.1 6.4 12.7 14.6 12.0 12.1 11.8 9.3 950mb Dewpt(C): 10.6 10.0 10.4 9.3 8.8 7.2 6.9 6.6 5.2 -1.8 -4.4 -2.5 -0.8 0.0 3.4 950mb RH (%): 98 99 98 90 90 86 88 96 92 36 26 36 40 44 66 950mb Dir: 216 222 229 234 316 334 246 55 132 169 167 190 201 205 179 950mb Speed(kt): 24 26 20 8 2 2 3 0 2 9 7 11 16 17 14 900mb GPH (m): 1051 1058 1065 1065 1061 1056 1037 1028 1020 1023 1008 1008 1006 1016 1014 900mb Temp (C): 8.9 9.7 8.2 7.8 7.1 7.1 8.0 8.6 12.1 13.9 14.6 13.0 11.5 9.4 6.9 900mb Dewpt(C): 8.7 9.4 7.9 7.2 6.2 5.2 4.1 1.3 -6.5 -3.1 -4.3 -7.6 -5.8 -2.0 -0.4 900mb RH (%): 98 98 98 96 94 88 76 60 26 30 26 23 29 44 59 900mb Dir: 242 252 271 246 311 294 234 230 230 224 211 211 216 219 201 900mb Speed(kt): 32 35 20 9 5 3 13 14 19 12 16 20 26 30 28 850mb GPH (m): 1523 1531 1536 1535 1530 1527 1511 1502 1498 1501 1488 1486 1481 1488 1483 850mb Temp (C): 7.5 7.2 6.8 5.0 6.3 8.0 10.3 10.3 11.0 10.9 11.6 10.7 9.3 7.7 6.0 850mb Dewpt(C): 7.3 7.0 6.6 4.1 2.2 -3.1 -7.3 -7.7 -7.4 -5.5 -8.1 -6.8 -6.1 -7.2 2.7 850mb RH (%): 98 99 98 94 75 45 28 27 27 31 24 28 33 34 79 850mb Dir: 254 265 285 241 262 256 272 256 262 246 218 219 225 219 213 850mb Speed(kt): 35 36 23 8 10 15 24 25 24 13 18 24 28 28 29 800mb GPH (m): 2021 2028 2032 2029 2027 2026 2012 2003 2000 2003 1990 1987 1980 1985 1979 800mb Temp (C): 5.3 4.9 3.8 4.4 5.7 8.0 7.8 8.5 8.4 7.9 8.0 7.6 6.3 5.2 5.2 800mb Dewpt(C): 5.0 4.6 3.3 -0.3 -7.1 -14.7 -11.5 -14.4 -12.3 -9.2 -9.9 -8.9 -8.4 -8.7 4.1 800mb RH (%): 98 98 96 71 39 18 24 18 21 29 27 30 34 36 92 800mb Dir: 264 277 282 273 266 276 279 269 269 253 226 225 228 222 238 800mb Speed(kt): 37 35 20 13 19 25 31 31 28 18 22 28 31 32 23 750mb GPH (m): 2546 2552 2555 2554 2553 2555 2541 2534 2530 2532 2518 2515 2506 2508 2503 750mb Temp (C): 1.6 1.8 2.0 3.5 5.0 5.6 5.8 6.7 6.2 5.1 4.7 4.7 3.9 2.1 1.3 750mb Dewpt(C): 1.2 1.4 0.1 -3.4 -17.7 -17.2 -19.0 -22.8 -18.9 -12.8 -13.7 -14.2 -15.4 -12.8 -1.9 750mb RH (%): 97 97 87 60 18 17 15 10 14 26 25 24 23 32 79 750mb Dir: 273 284 282 268 278 273 279 276 268 252 230 230 230 227 252 750mb Speed(kt): 36 31 21 20 27 30 36 34 30 23 27 32 35 38 34 700mb GPH (m): 3100 3106 3109 3111 3113 3116 3102 3097 3092 3091 3077 3073 3063 3062 3054 700mb Temp (C): -0.7 -1.0 -0.1 1.2 2.3 3.3 3.4 4.4 4.0 2.0 2.4 1.2 1.3 -0.2 -3.0 700mb Dewpt(C): -4.5 -2.3 -2.5 -15.2 -20.8 -22.1 -25.9 -28.5 -20.2 -16.2 -18.9 -17.2 -18.4 -16.8 -5.6 700mb RH (%): 75 91 84 28 16 14 10 7 15 25 19 24 22 27 82 700mb Dir: 281 290 291 274 286 278 281 282 270 248 235 234 232 229 252 700mb Speed(kt): 42 32 25 27 33 33 40 39 31 27 32 35 41 44 45 650mb GPH (m): 3691 3696 3700 3705 3707 3712 3698 3696 3689 3684 3671 3664 3655 3651 3638 650mb Temp (C): -1.1 -2.5 -2.5 -0.8 -0.9 0.0 0.3 0.9 -0.5 -1.6 -1.4 -2.4 -2.2 -3.1 -5.2 650mb Dewpt(C): -22.2 -10.0 -5.7 -32.0 -25.8 -27.0 -32.5 -21.5 -22.0 -22.4 -21.1 -22.6 -22.9 -13.0 -6.5 650mb RH (%): 19 57 79 8 13 11 7 17 18 19 21 20 19 46 91 650mb Dir: 281 288 286 281 287 283 284 286 266 247 238 234 235 231 250 650mb Speed(kt): 51 39 29 35 39 39 45 46 32 31 37 40 46 48 47 600mb GPH (m): 4325 4328 4333 4338 4341 4348 4334 4331 4322 4315 4302 4294 4285 4280 4264 600mb Temp (C): -4.6 -4.0 -4.6 -4.2 -4.0 -3.5 -3.4 -4.1 -4.6 -5.9 -5.8 -6.6 -6.1 -6.7 -7.8 600mb Dewpt(C): -21.8 -28.2 -19.2 -34.1 -35.4 -27.0 -33.1 -24.1 -27.8 -26.9 -25.6 -24.8 -29.1 -9.2 -8.8 600mb RH (%): 25 14 31 8 7 15 8 20 15 18 20 22 15 83 93 600mb Dir: 279 283 285 283 287 285 283 283 262 245 241 234 238 233 242 600mb Speed(kt): 56 48 41 42 43 46 48 49 37 39 42 45 46 50 47 550mb GPH (m): 5004 5008 5014 5019 5022 5029 5016 5012 5002 4990 4976 4967 4959 4954 4937 550mb Temp (C): -8.8 -8.7 -8.0 -7.4 -7.4 -8.1 -7.9 -8.3 -8.9 -10.5 -10.8 -10.7 -10.7 -10.7 -11.1 550mb Dewpt(C): -24.0 -25.6 -30.6 -41.4 -35.1 -33.6 -31.2 -31.8 -31.5 -28.6 -29.7 -32.8 -21.3 -12.9 -12.1 550mb RH (%): 29 24 15 5 9 11 14 14 15 22 20 15 42 84 92 550mb Dir: 280 282 284 284 287 287 283 279 262 240 242 235 239 239 238 550mb Speed(kt): 59 52 45 43 45 49 50 50 43 46 46 47 47 48 46 500mb GPH (m): 5735 5739 5746 5753 5757 5761 5748 5743 5731 5714 5701 5692 5685 5681 5662 500mb Temp (C): -12.9 -13.6 -13.1 -12.2 -12.5 -13.1 -13.5 -13.4 -14.1 -16.0 -15.8 -15.9 -15.1 -14.8 -15.8 500mb Dewpt(C): -30.8 -29.1 -35.2 -36.0 -24.3 -39.1 -34.3 -38.4 -38.2 -33.7 -34.3 -28.0 -21.1 -21.4 -17.2 500mb RH (%): 22 26 14 12 37 10 16 11 12 21 19 35 61 58 89 500mb Dir: 279 282 282 287 288 287 282 276 260 237 241 237 240 240 237 500mb Speed(kt): 62 56 47 45 46 49 52 49 42 49 50 50 50 47 51 450mb GPH (m): 6530 6531 6539 6548 6549 6554 6539 6536 6522 6499 6485 6477 6474 6469 6449 450mb Temp (C): -18.3 -19.4 -18.9 -18.8 -20.2 -19.0 -19.4 -19.1 -19.6 -21.2 -22.2 -21.5 -20.7 -21.1 -20.8 450mb Dewpt(C): -28.3 -30.4 -36.5 -29.4 -23.2 -32.9 -38.9 -37.9 -41.0 -43.0 -37.2 -28.8 -30.2 -28.5 -23.5 450mb RH (%): 42 38 20 39 77 29 17 18 14 13 25 52 43 52 79 450mb Dir: 279 282 284 285 290 285 281 276 258 236 242 242 240 237 241 450mb Speed(kt): 67 56 48 46 49 51 53 50 39 44 51 46 46 55 50 400mb GPH (m): 7397 7394 7404 7411 7407 7417 7403 7400 7383 7355 7339 7333 7331 7326 7311 400mb Temp (C): -25.0 -26.1 -25.9 -26.5 -27.3 -26.5 -25.8 -26.3 -27.4 -28.2 -28.3 -28.0 -27.9 -27.3 -26.1 400mb Dewpt(C): -30.7 -31.5 -35.7 -31.0 -33.3 -31.6 -40.4 -36.2 -38.2 -46.4 -46.3 -41.6 -32.7 -30.0 -31.4 400mb RH (%): 60 61 40 66 58 62 25 40 36 17 17 27 64 78 62 400mb Dir: 275 281 283 281 293 289 281 277 256 236 240 251 248 235 244 400mb Speed(kt): 71 60 49 47 49 53 51 47 38 47 49 45 49 53 43 350mb GPH (m): 8351 8346 8355 8361 8358 8367 8355 8349 8328 8297 8282 8275 8272 8273 8262 350mb Temp (C): -32.3 -32.6 -33.8 -32.9 -32.3 -33.1 -32.3 -33.7 -35.0 -35.8 -35.0 -36.1 -36.2 -34.6 -33.7 350mb Dewpt(C): -39.5 -43.1 -39.0 -42.1 -48.3 -37.2 -38.1 -39.1 -41.4 -50.7 -42.4 -46.6 -41.7 -38.3 -43.2 350mb RH (%): 50 36 60 41 20 67 58 59 54 22 48 34 59 70 39 350mb Dir: 275 281 281 276 287 287 279 278 254 239 239 255 234 240 239 350mb Speed(kt): 72 62 50 43 45 46 41 40 34 40 43 49 46 52 42 300mb GPH (m): 9421 9416 9419 9429 9429 9436 9424 9413 9383 9351 9340 9325 9324 9329 9319 300mb Temp (C): -40.0 -40.0 -41.2 -40.5 -40.6 -40.4 -40.9 -41.3 -43.6 -43.8 -42.6 -44.8 -44.8 -43.9 -44.0 300mb Dewpt(C): -44.6 -49.2 -45.6 -48.8 -48.3 -49.6 -49.2 -48.7 -49.1 -56.4 -46.4 -49.9 -48.3 -48.1 -50.7 300mb RH (%): 63 38 63 42 45 38 42 46 56 25 68 58 69 65 49 300mb Dir: 273 285 283 281 285 300 282 250 240 243 245 245 250 245 234 300mb Speed(kt): 69 59 51 45 44 44 34 36 33 29 39 57 51 50 46 250mb GPH (m): 10641 10634 10634 10646 10642 10648 10634 10625 10588 10556 10543 10515 10511 10521 10513 250mb Temp (C): -49.5 -49.7 -50.2 -49.9 -50.9 -51.8 -51.5 -51.2 -51.4 -49.9 -52.7 -54.0 -55.9 -55.2 -53.4 250mb Dewpt(C): -55.1 -54.3 -54.2 -56.0 -54.2 -56.2 -57.2 -59.3 -62.0 -69.0 -56.5 -59.9 -59.4 -58.6 -61.8 250mb RH (%): 54 60 64 50 69 61 53 39 29 10 65 50 66 67 38 250mb Dir: 277 281 284 287 284 295 285 263 248 247 241 234 258 252 252 250mb Speed(kt): 71 65 56 51 45 49 43 32 24 27 36 61 63 52 47 200mb GPH (m): 12064 12060 12053 12068 12059 12055 12043 12036 12008 11990 11963 11938 11919 11918 11936 200mb Temp (C): -60.4 -58.6 -60.3 -61.1 -61.1 -61.4 -60.9 -60.3 -58.5 -55.8 -55.0 -54.3 -56.6 -56.8 -55.8 200mb Dewpt(C): -65.2 -65.0 -63.7 -63.5 -66.3 -66.5 -65.7 -65.8 -67.6 -75.2 -74.3 -77.7 -74.6 -73.8 -77.0 200mb RH (%): 56 46 66 75 53 53 56 51 33 9 9 5 10 12 7 200mb Dir: 276 276 278 284 278 283 283 276 265 253 237 237 248 246 259 200mb Speed(kt): 74 58 58 57 54 51 44 38 33 35 51 60 54 54 46 150mb GPH (m): 13854 13847 13831 13843 13835 13843 13839 13836 13819 13828 13809 13800 13771 13775 13788 150mb Temp (C): -60.3 -62.4 -62.5 -60.8 -61.4 -60.6 -60.2 -60.1 -58.2 -56.2 -55.8 -52.5 -51.9 -51.3 -51.6 150mb Dewpt(C): -84.2 -81.8 -81.5 -83.2 -82.5 -81.8 -84.1 -84.4 -87.3 -86.1 -89.7 -82.8 -86.9 -86.5 -86.7 150mb RH (%): 4 7 8 5 6 6 4 4 2 2 1 2 1 1 1 150mb Dir: 281 273 282 296 291 291 292 295 289 276 253 246 247 256 267 150mb Speed(kt): 58 64 67 63 62 51 50 44 42 30 38 47 58 50 49 100mb GPH (m): 16338 16329 16317 16335 16330 16338 16334 16343 16332 16354 16342 16354 16344 16358 16365 100mb Temp (C): -66.2 -66.2 -65.3 -65.0 -65.0 -64.9 -65.5 -64.1 -63.2 -63.2 -62.0 -61.9 -61.6 -60.1 -61.1 100mb Dewpt(C): -88.8 -90.6 -89.8 -89.7 -89.8 -89.6 -88.5 -88.9 -88.3 -90.9 -90.0 -90.2 -89.6 -92.9 -89.2 100mb RH (%): 4 3 3 3 3 3 4 3 3 2 2 2 2 1 2 100mb Dir: 290 295 307 297 300 307 308 310 301 282 280 273 263 262 267 100mb Speed(kt): 44 50 50 48 56 48 50 46 35 30 30 27 30 37 41