Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z DEC 13, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 994.1 991.0 990.2 990.2 992.0 994.7 993.4 992.7 992.3 992.2 997.4 997.3 995.4 993.6 987.3 Mean SLP (mb): 1018.7 1015.6 1014.7 1015.0 1016.9 1019.4 1017.9 1017.0 1016.7 1016.6 1021.9 1021.9 1020.0 1018.1 1011.7 2m agl Tmp (F): 48.7 49.8 54.3 47.9 46.5 47.7 52.0 55.5 53.6 54.1 51.9 50.4 49.4 50.8 50.4 2m agl Dewpt(F): 47.4 46.7 49.5 44.7 39.5 43.9 40.5 39.2 44.9 52.3 50.5 48.9 48.9 50.1 49.3 2m agl RH (%): 95 89 83 88 76 86 64 54 72 94 95 95 98 97 96 10m agl Dir: 89 87 160 106 140 127 120 119 189 202 228 168 174 201 191 10m agl Spd(kt): 3 5 4 3 2 5 4 6 12 12 7 4 6 10 11 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.06 0.00 0.00 0.04 0.34 0.22 0.03 0.04 0.21 0.13 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.07 0.07 0.07 0.11 0.46 0.68 0.70 0.74 0.95 1.08 Sfc CAPE (J/kg): 0.1 0.1 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 181.2 45.2 13.9 52.5 14.3 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -10.2 -53.3 -4.7 -7.1 0-3km Hel(J/kg): 140.8 184.8 144.8 192.4 234.3 146.0 188.0 279.7 392.8 458.5 94.4 271.8 229.3 216.0 264.8 Precip H20 (in): 0.62 0.42 0.45 0.44 0.65 0.96 0.84 0.99 1.20 1.18 0.63 0.70 0.79 0.74 0.76 Lifted Index(C): 6.7 7.2 7.0 9.5 11.0 4.4 5.7 4.0 0.2 -1.2 5.7 5.6 2.2 5.6 5.9 700mb VV(-ub/s): 0.4 1.8 0.8 2.5 3.7 2.9 2.4 5.1 27.4 23.1 15.2 6.0 8.5 6.5 0.4 Thk1000-500mb(m)5596.4 5606.5 5585.0 5570.5 5543.5 5522.8 5524.8 5552.2 5562.1 5556.2 5457.1 5454.4 5447.4 5447.6 5448.4 Thk1000-850mb(m)1358.2 1369.0 1360.9 1355.9 1345.9 1338.2 1344.8 1357.1 1350.8 1356.8 1333.3 1335.1 1337.4 1337.8 1336.8 Thk850-700mb(m):1595.5 1600.5 1593.7 1588.3 1577.3 1572.1 1567.4 1576.9 1586.8 1585.5 1538.6 1540.7 1543.0 1543.4 1547.5 SWEAT Index: 90.3 69.9 130.7 160.9 143.0 212.7 284.4 272.9 361.0 420.3 156.0 220.6 263.2 283.1 277.3 Total Totals Idx 39.3 38.9 39.7 34.8 31.9 42.2 42.0 42.7 49.4 52.1 37.7 42.4 50.4 43.1 43.1 Frz Hgt(ft amsl) 12096 12103 11671 11151 10308 9191 9059 9703 10448 10411 6123 6234 6345 6339 6550 0WetBlbHgt(amsl) 7905 7595 7279 6704 6182 8219 7291 8664 10248 10328 4983 5621 6293 6264 6492 Equil Prs (mb): 994 991 990 990 992 995 993 993 992 992 674 682 995 680 729 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 26 26 10980 10704 26 10678 8724 Hail Size(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.01 0.01 0.00 Conv Wind Gust: 52.5 56.0 55.2 55.9 54.8 41.4 41.3 47.2 46.1 26.6 36.0 31.9 29.8 28.1 26.8 Showalter Index: 6.6 7.1 6.8 9.6 11.7 5.1 5.4 4.0 -0.2 -1.5 10.2 7.3 2.7 6.4 6.1 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -1.1 0.6 -999.9 0.4 0.2 Storm Dir (deg): 289 263 257 257 265 264 262 259 259 264 280 284 276 278 269 Storm Spd (kts): 17 18 22 26 27 25 22 25 34 40 38 31 30 29 32 2m HeatIndex(F): 49 50 54 48 47 48 52 56 54 54 52 50 49 51 50 2m WindChill(F): 49 50 54 48 47 48 52 56 54 54 52 50 49 51 50 1000mb GPH (m): 154 128 122 122 137 159 148 142 139 138 182 181 165 150 97 950mb GPH (m): 579 558 550 550 563 583 575 574 567 567 608 607 590 576 523 950mb Temp (C): 9.5 14.3 11.7 11.9 9.6 7.5 9.1 13.4 9.3 10.4 8.1 8.2 8.5 8.6 8.3 950mb Dewpt(C): 7.9 3.5 2.2 2.5 4.5 5.2 4.5 1.0 6.6 10.3 7.9 8.0 8.3 8.4 8.1 950mb RH (%): 89 47 52 52 70 85 73 42 83 99 98 99 99 98 98 950mb Dir: 142 132 173 199 206 194 181 190 192 203 234 201 204 209 197 950mb Speed(kt): 3 9 9 14 15 16 13 20 26 30 18 17 23 27 26 900mb GPH (m): 1033 1016 1003 1002 1011 1028 1022 1025 1013 1018 1052 1051 1036 1022 968 900mb Temp (C): 14.4 15.3 13.3 11.7 9.2 6.5 8.1 9.8 9.3 11.5 4.6 5.6 6.3 5.9 5.6 900mb Dewpt(C): 1.4 -0.2 -1.5 -1.7 -1.9 5.9 5.4 3.8 9.2 11.3 4.4 4.6 6.1 5.7 5.4 900mb RH (%): 41 34 35 39 45 96 83 65 99 99 98 93 98 98 98 900mb Dir: 232 185 215 208 224 210 205 206 202 219 245 216 223 226 210 900mb Speed(kt): 11 10 15 24 23 23 27 31 43 59 23 21 26 37 39 850mb GPH (m): 1512 1497 1483 1478 1483 1497 1493 1499 1490 1495 1515 1516 1502 1488 1434 850mb Temp (C): 11.0 12.5 11.5 10.3 7.6 6.4 6.1 7.8 9.3 9.3 1.4 2.3 3.0 2.8 3.2 850mb Dewpt(C): 1.8 -3.7 -3.3 -6.2 -6.2 5.8 5.3 7.6 9.1 9.1 -1.3 0.2 2.7 2.5 3.0 850mb RH (%): 53 31 35 30 36 96 94 98 99 99 82 86 98 98 98 850mb Dir: 250 210 226 220 232 231 201 217 216 232 255 234 229 233 222 850mb Speed(kt): 14 12 18 27 29 22 25 32 50 61 31 23 29 38 39 800mb GPH (m): 2015 2003 1986 1979 1980 1994 1987 1997 1991 1995 2001 2003 1990 1976 1923 800mb Temp (C): 8.3 10.1 8.7 7.7 5.3 4.5 3.5 4.7 6.5 6.8 -0.5 -0.6 -0.4 -0.3 0.5 800mb Dewpt(C): -3.1 -9.7 -8.4 -10.4 -8.1 3.2 -1.1 4.2 6.3 6.6 -7.8 -3.4 -0.6 -0.6 0.3 800mb RH (%): 44 24 29 26 37 91 71 96 98 99 58 81 99 98 99 800mb Dir: 267 227 227 228 233 249 211 227 222 235 262 246 235 236 236 800mb Speed(kt): 19 16 21 31 35 23 22 36 50 57 43 29 32 34 37 750mb GPH (m): 2545 2535 2516 2508 2504 2517 2508 2521 2518 2523 2513 2516 2504 2489 2438 750mb Temp (C): 6.5 7.1 5.9 5.1 3.1 1.4 1.2 2.5 4.1 3.5 -4.1 -3.5 -3.5 -3.1 -2.8 750mb Dewpt(C): -12.7 -16.0 -15.4 -16.8 -8.5 -1.5 -4.8 -1.1 3.7 3.2 -6.2 -6.2 -3.7 -3.4 -3.2 750mb RH (%): 24 17 20 19 42 81 64 77 97 98 86 82 98 98 97 750mb Dir: 270 236 227 232 235 249 234 234 228 236 261 249 241 241 234 750mb Speed(kt): 24 23 25 35 41 37 28 35 50 57 51 38 33 31 31 700mb GPH (m): 3108 3098 3076 3066 3060 3069 3061 3076 3077 3080 3054 3057 3045 3031 2981 700mb Temp (C): 4.0 3.9 2.7 2.0 0.5 -1.3 -1.4 -0.7 0.6 0.5 -7.7 -7.5 -6.1 -6.6 -5.8 700mb Dewpt(C): -18.4 -20.5 -19.4 -21.2 -4.5 -3.1 -4.4 -5.1 -0.1 0.3 -8.8 -7.9 -6.6 -10.6 -7.4 700mb RH (%): 18 15 18 16 69 87 80 72 95 98 92 97 96 73 89 700mb Dir: 266 240 228 232 238 244 233 240 233 234 249 258 253 248 247 700mb Speed(kt): 27 30 31 38 46 45 35 38 51 59 53 42 31 28 34 650mb GPH (m): 3705 3695 3671 3660 3652 3657 3648 3664 3668 3672 3630 3629 3624 3607 3559 650mb Temp (C): -0.1 0.0 -0.6 -1.5 -2.8 -5.0 -4.7 -4.5 -2.8 -2.8 -7.4 -9.2 -7.7 -8.7 -8.1 650mb Dewpt(C): -22.6 -25.0 -26.9 -23.4 -8.3 -6.0 -8.1 -5.2 -3.4 -3.3 -23.8 -18.6 -23.0 -17.6 -15.6 650mb RH (%): 17 13 12 17 66 92 77 95 96 96 26 47 29 49 55 650mb Dir: 261 240 229 231 240 234 239 237 238 235 242 262 261 258 253 650mb Speed(kt): 32 36 39 43 48 47 41 40 51 60 69 51 51 34 44 600mb GPH (m): 4340 4329 4305 4291 4281 4282 4274 4291 4299 4301 4251 4251 4243 4223 4176 600mb Temp (C): -4.0 -4.2 -4.8 -5.7 -6.8 -7.5 -6.8 -7.0 -6.5 -7.3 -8.5 -8.0 -10.3 -11.9 -11.9 600mb Dewpt(C): -25.7 -29.6 -29.4 -26.4 -11.2 -13.7 -8.2 -7.4 -7.2 -8.6 -42.8 -40.2 -26.3 -29.4 -24.8 600mb RH (%): 17 12 13 18 71 61 90 97 95 91 5 6 26 23 34 600mb Dir: 259 242 231 230 241 232 246 237 242 239 245 262 258 260 252 600mb Speed(kt): 39 39 47 50 51 51 39 43 53 59 84 72 69 49 56 550mb GPH (m): 5020 5008 4981 4967 4955 4956 4948 4965 4974 4972 4921 4920 4905 4884 4835 550mb Temp (C): -8.5 -9.5 -10.1 -10.0 -10.8 -10.7 -10.9 -10.5 -10.2 -12.0 -12.5 -13.4 -16.2 -15.8 -17.3 550mb Dewpt(C): -33.2 -32.3 -32.4 -31.6 -16.5 -21.3 -16.4 -11.4 -11.3 -17.4 -47.3 -32.1 -27.5 -23.2 -20.9 550mb RH (%): 12 14 15 16 63 42 64 93 91 65 4 20 38 54 73 550mb Dir: 258 242 231 230 239 234 249 242 247 244 251 261 256 259 254 550mb Speed(kt): 42 43 51 55 52 50 42 41 55 63 91 77 70 54 63 500mb GPH (m): 5750 5735 5707 5693 5681 5682 5673 5694 5701 5694 5639 5635 5612 5598 5545 500mb Temp (C): -13.3 -15.1 -15.7 -15.4 -15.2 -15.0 -15.3 -13.7 -15.5 -16.8 -18.8 -19.9 -22.3 -18.9 -18.5 500mb Dewpt(C): -38.1 -39.6 -36.9 -34.8 -28.2 -15.9 -32.0 -15.3 -17.3 -25.3 -43.0 -24.5 -24.7 -46.9 -36.5 500mb RH (%): 11 11 15 18 33 93 23 88 86 48 11 67 82 7 20 500mb Dir: 261 239 232 232 235 240 255 241 250 249 252 265 251 272 250 500mb Speed(kt): 41 46 55 56 52 54 45 43 52 66 95 83 72 73 79 450mb GPH (m): 6542 6521 6492 6478 6468 6471 6464 6486 6489 6476 6414 6408 6380 6373 6325 450mb Temp (C): -19.6 -21.7 -21.6 -22.0 -20.7 -20.3 -18.7 -19.8 -20.4 -22.4 -25.2 -25.4 -24.9 -24.3 -22.8 450mb Dewpt(C): -37.7 -42.3 -41.4 -30.2 -35.1 -23.0 -37.0 -22.1 -22.6 -44.8 -33.9 -27.7 -27.5 -44.4 -40.5 450mb RH (%): 19 15 16 48 27 79 19 82 83 12 45 81 79 15 19 450mb Dir: 261 234 233 234 234 243 254 240 245 247 254 266 253 262 248 450mb Speed(kt): 42 49 59 57 51 51 44 42 55 72 95 99 80 89 92 400mb GPH (m): 7404 7374 7347 7333 7328 7333 7331 7349 7349 7328 7257 7251 7233 7220 7177 400mb Temp (C): -26.9 -29.2 -28.4 -28.0 -26.7 -26.3 -24.7 -26.2 -27.0 -29.4 -31.5 -32.0 -27.8 -30.5 -29.2 400mb Dewpt(C): -36.4 -50.8 -47.6 -31.8 -35.9 -29.4 -37.4 -31.3 -29.7 -50.5 -38.2 -34.6 -30.3 -43.3 -42.5 400mb RH (%): 41 12 15 71 43 76 31 63 78 12 53 78 79 29 28 400mb Dir: 253 231 235 240 234 243 250 248 245 247 253 262 260 265 251 400mb Speed(kt): 37 49 58 55 51 48 43 46 54 79 100 104 105 96 97 350mb GPH (m): 8349 8310 8288 8276 8275 8283 8287 8299 8298 8262 8186 8179 8176 8153 8115 350mb Temp (C): -34.8 -37.4 -35.4 -35.8 -34.4 -33.7 -32.5 -33.0 -33.5 -38.4 -39.2 -39.0 -34.9 -37.9 -36.8 350mb Dewpt(C): -39.3 -62.6 -50.4 -41.6 -39.4 -41.7 -38.9 -38.6 -36.8 -45.6 -42.6 -43.5 -38.3 -45.1 -46.8 350mb RH (%): 65 6 21 56 62 46 54 58 73 48 71 64 72 48 36 350mb Dir: 249 225 238 248 245 250 252 249 242 247 255 266 263 268 248 350mb Speed(kt): 35 46 48 53 50 44 48 52 53 79 106 109 116 105 100 300mb GPH (m): 9406 9358 9344 9327 9331 9343 9352 9362 9358 9303 9222 9225 9234 9202 9159 300mb Temp (C): -42.9 -44.1 -42.7 -44.2 -44.2 -43.3 -42.2 -42.8 -43.3 -45.9 -47.3 -43.4 -43.3 -44.2 -46.7 300mb Dewpt(C): -50.6 -76.5 -46.8 -48.2 -48.6 -46.9 -48.2 -46.2 -46.7 -53.8 -50.6 -56.5 -46.8 -48.0 -52.6 300mb RH (%): 45 2 65 65 63 69 53 70 71 42 70 24 69 67 52 300mb Dir: 239 221 245 238 253 248 252 246 245 251 263 278 261 258 253 300mb Speed(kt): 31 43 40 59 61 30 53 59 68 89 116 145 141 113 107 250mb GPH (m): 10614 10559 10549 10527 10529 10539 10554 10561 10555 10499 10410 10427 10431 10397 10340 250mb Temp (C): -51.1 -49.8 -52.0 -52.3 -53.6 -54.4 -53.6 -52.9 -53.3 -51.0 -51.7 -52.8 -54.5 -54.5 -56.1 250mb Dewpt(C): -61.2 -68.0 -55.9 -57.6 -59.3 -58.3 -57.3 -58.3 -57.9 -68.4 -65.2 -64.8 -58.2 -58.6 -66.3 250mb RH (%): 31 12 64 55 52 64 66 54 59 13 21 24 66 63 29 250mb Dir: 239 232 240 232 255 250 260 250 251 247 260 277 267 260 257 250mb Speed(kt): 24 38 39 68 53 37 53 60 93 90 117 160 145 130 117 200mb GPH (m): 12030 12004 11976 11954 11936 11948 11966 11978 11981 11944 11865 11857 11840 11807 11751 200mb Temp (C): -60.1 -54.5 -53.6 -54.5 -56.5 -55.9 -56.8 -57.2 -53.4 -50.7 -47.9 -51.5 -55.2 -53.1 -53.5 200mb Dewpt(C): -65.9 -83.7 -70.3 -74.2 -71.6 -71.7 -75.1 -74.6 -77.4 -79.1 -79.2 -78.8 -74.3 -73.6 -77.3 200mb RH (%): 49 2 13 9 15 14 10 11 5 3 2 3 9 8 5 200mb Dir: 265 249 244 245 237 245 263 260 256 250 264 268 272 272 263 200mb Speed(kt): 33 37 53 62 54 46 54 67 72 91 102 123 115 125 116 150mb GPH (m): 13840 13839 13821 13806 13792 13801 13818 13835 13841 13817 13754 13740 13702 13687 13618 150mb Temp (C): -57.8 -56.4 -55.8 -52.6 -52.7 -51.9 -53.6 -52.1 -52.0 -50.2 -49.4 -49.6 -50.5 -49.2 -50.5 150mb Dewpt(C): -86.4 -86.2 -85.3 -87.4 -87.4 -86.9 -88.1 -87.1 -87.0 -85.7 -85.2 -85.3 -85.9 -85.0 -86.0 150mb RH (%): 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 150mb Dir: 290 283 254 246 272 252 258 256 258 245 252 267 269 263 256 150mb Speed(kt): 41 35 37 51 53 47 61 54 62 74 87 85 109 103 111 100mb GPH (m): 16350 16359 16352 16361 16353 16374 16383 16409 16406 16404 16362 16338 16293 16280 16215 100mb Temp (C): -64.5 -63.7 -62.7 -61.8 -60.5 -60.5 -61.4 -60.3 -62.1 -60.5 -57.5 -58.3 -58.7 -58.7 -58.0 100mb Dewpt(C): -89.4 -91.4 -90.5 -89.8 -93.3 -88.8 -89.4 -92.7 -90.0 -92.9 -91.3 -91.7 -91.3 -91.9 -91.3 100mb RH (%): 3 2 2 2 1 2 2 1 2 1 1 1 1 1 1 100mb Dir: 305 296 284 260 263 278 265 265 251 250 241 253 264 269 271 100mb Speed(kt): 39 33 24 32 40 37 41 41 46 43 44 47 64 69 70