Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z DEC 30, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 1001.5 999.1 996.5 996.5 995.0 992.8 988.9 987.2 986.4 985.6 984.6 984.2 982.1 979.5 974.7 Mean SLP (mb): 1027.0 1024.5 1021.6 1021.9 1020.3 1017.9 1013.6 1012.1 1011.3 1010.5 1009.4 1009.0 1006.7 1004.0 999.2 2m agl Tmp (F): 34.8 35.8 40.1 35.9 35.7 40.0 44.2 37.3 37.0 39.3 42.1 40.4 41.5 41.7 43.5 2m agl Dewpt(F): 25.8 25.0 27.0 25.0 25.7 29.0 32.3 27.4 27.5 29.5 32.7 35.7 37.1 36.2 35.9 2m agl RH (%): 69 64 59 64 66 64 62 67 68 67 69 83 84 81 74 10m agl Dir: 83 83 81 81 78 81 80 81 86 81 79 84 82 77 85 10m agl Spd(kt): 11 14 11 10 9 9 8 10 9 8 7 8 10 12 15 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.02 0.04 0.01 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.03 0.07 0.08 0.08 Sfc CAPE (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 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 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 153.3 211.8 204.4 200.7 140.6 110.0 114.3 136.9 147.4 72.4 157.4 239.0 219.1 197.9 253.6 Precip H20 (in): 0.50 0.42 0.53 0.50 0.53 0.50 0.42 0.35 0.42 0.70 0.82 0.85 0.86 0.84 0.71 Lifted Index(C): 6.8 7.8 8.0 8.7 10.0 9.9 11.3 10.9 12.7 11.6 9.6 5.8 2.7 1.2 3.8 700mb VV(-ub/s): 0.8 -1.6 2.1 0.6 1.5 0.7 0.9 0.5 0.8 1.2 0.9 2.3 6.3 -2.0 6.2 Thk1000-500mb(m)5587.7 5596.5 5600.0 5584.2 5564.2 5549.8 5544.5 5532.8 5511.1 5493.6 5478.2 5479.0 5480.0 5478.2 5461.7 Thk1000-850mb(m)1338.1 1340.4 1345.2 1341.2 1338.9 1340.4 1344.3 1342.5 1333.2 1332.9 1326.4 1331.2 1338.9 1342.4 1342.2 Thk850-700mb(m):1604.4 1604.8 1603.6 1598.6 1593.8 1588.2 1582.8 1576.1 1567.4 1559.8 1551.6 1554.9 1563.4 1562.2 1553.2 SWEAT Index: 33.8 27.9 37.1 41.7 45.7 41.9 39.2 47.0 97.8 62.5 57.3 185.7 130.8 164.6 115.7 Total Totals Idx 38.8 37.9 36.7 32.7 31.2 33.4 30.9 31.6 30.1 32.4 35.6 43.6 47.6 51.5 47.7 Frz Hgt(ft amsl) 12475 13057 12979 12747 12032 11412 11062 10610 9935 7875 6614 7044 7802 7618 6629 0WetBlbHgt(amsl) 7272 7751 9317 9011 8189 6981 5590 5181 4590 5359 6530 6940 7715 7336 6410 Equil Prs (mb): 1001 999 996 997 995 993 989 987 986 986 985 984 982 980 975 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: 56.1 56.1 53.2 52.9 50.5 49.8 50.2 50.8 51.5 45.8 35.0 28.9 28.4 37.0 42.6 Showalter Index: 7.0 7.5 8.4 10.6 11.4 10.7 11.9 12.0 13.1 12.2 10.5 5.5 3.2 0.8 3.5 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 -999.9 -999.9 -999.9 Storm Dir (deg): 256 213 249 249 237 222 240 221 232 218 226 245 236 200 213 Storm Spd (kts): 10 11 12 13 11 10 9 10 11 13 13 17 20 18 26 2m HeatIndex(F): 35 36 40 36 36 40 44 37 37 39 42 40 41 42 44 2m WindChill(F): 26 26 40 28 28 34 44 30 30 33 42 40 41 42 44 1000mb GPH (m): 215 196 174 175 162 144 111 98 92 85 76 73 55 33 -7 950mb GPH (m): 629 609 593 594 582 565 534 518 511 505 496 493 477 454 413 950mb Temp (C): 4.8 6.3 9.6 9.5 9.6 10.2 10.7 11.2 8.0 8.5 6.9 7.2 9.0 8.7 8.7 950mb Dewpt(C): -3.5 -4.3 -4.3 -3.0 -2.3 -2.0 -2.3 -1.9 0.9 0.0 0.3 5.9 7.5 4.5 3.0 950mb RH (%): 55 46 37 41 43 42 40 40 60 55 62 91 90 75 67 950mb Dir: 92 95 98 108 112 106 100 105 124 107 91 107 102 86 85 950mb Speed(kt): 24 35 25 17 11 13 15 18 11 11 13 15 17 25 22 900mb GPH (m): 1075 1058 1042 1042 1029 1013 983 969 957 951 939 937 925 903 863 900mb Temp (C): 10.5 11.2 11.3 9.8 8.8 8.9 9.6 9.8 7.4 6.6 4.5 6.2 7.9 9.7 10.5 900mb Dewpt(C): -4.0 -4.6 -3.9 -4.3 -2.4 -3.1 -2.1 -2.0 -2.5 0.8 2.2 5.9 7.5 7.4 3.4 900mb RH (%): 36 32 34 36 45 42 43 43 49 66 85 98 97 86 61 900mb Dir: 122 134 168 180 199 191 195 191 201 203 94 198 186 119 155 900mb Speed(kt): 18 13 6 8 8 7 5 10 14 13 5 18 15 11 19 850mb GPH (m): 1553 1536 1520 1516 1501 1485 1455 1440 1425 1418 1403 1405 1394 1375 1335 850mb Temp (C): 13.0 12.7 11.7 10.1 8.8 8.1 7.7 6.9 5.3 4.7 2.6 4.1 4.9 6.3 6.0 850mb Dewpt(C): -2.6 -2.9 -3.3 -7.5 -10.2 -8.4 -9.7 -7.1 -8.1 -3.8 0.8 3.7 4.3 4.7 1.8 850mb RH (%): 33 33 34 28 25 30 28 36 37 54 88 98 95 89 74 850mb Dir: 138 178 230 210 205 208 218 205 208 213 128 207 211 165 183 850mb Speed(kt): 5 5 8 8 10 10 11 17 19 19 10 21 23 10 22 800mb GPH (m): 2060 2043 2025 2019 2002 1984 1953 1936 1917 1910 1891 1895 1887 1870 1828 800mb Temp (C): 10.9 11.0 10.5 9.3 8.4 7.2 6.5 5.1 3.1 2.5 0.5 1.1 3.4 3.1 1.4 800mb Dewpt(C): -18.7 -16.8 -8.3 -7.1 -7.5 -8.5 -12.9 -19.8 -15.8 -6.4 0.3 0.8 3.0 1.8 0.2 800mb RH (%): 11 13 25 30 31 31 23 15 24 52 98 98 97 91 92 800mb Dir: 186 238 227 230 218 214 217 207 208 213 186 211 218 168 188 800mb Speed(kt): 5 6 9 10 7 10 12 18 19 20 16 24 28 17 27 750mb GPH (m): 2593 2576 2559 2551 2532 2512 2480 2460 2438 2429 2407 2412 2408 2390 2344 750mb Temp (C): 7.6 7.6 7.2 6.9 5.9 5.4 4.1 3.6 2.2 -0.1 -1.7 -1.2 -0.2 -0.5 -2.3 750mb Dewpt(C): -23.3 -13.5 -5.4 -4.7 -7.8 -12.5 -10.3 -22.3 -23.4 -1.8 -2.0 -1.5 -0.6 -1.6 -2.6 750mb RH (%): 9 21 40 43 36 26 34 13 13 88 98 98 97 92 98 750mb Dir: 222 225 236 228 230 209 221 207 213 201 211 221 219 171 198 750mb Speed(kt): 7 11 13 15 10 11 13 16 18 17 19 32 35 25 39 700mb GPH (m): 3157 3141 3123 3115 3095 3073 3038 3017 2992 2978 2954 2959 2957 2937 2888 700mb Temp (C): 4.6 5.1 4.8 4.5 4.5 3.3 2.2 1.1 0.2 -2.7 -3.8 -4.8 -3.5 -4.8 -5.7 700mb Dewpt(C): -21.6 -30.5 -9.0 -15.2 -22.8 -16.2 -15.9 -19.0 -20.5 -4.8 -4.2 -5.1 -3.7 -7.1 -5.8 700mb RH (%): 13 6 36 22 12 23 25 21 20 86 97 97 98 84 99 700mb Dir: 252 217 241 233 230 203 223 202 215 186 207 221 214 182 201 700mb Speed(kt): 5 13 17 21 18 14 13 12 17 17 19 33 34 29 45 650mb GPH (m): 3756 3741 3723 3714 3693 3669 3632 3609 3582 3564 3537 3539 3539 3516 3466 650mb Temp (C): 0.3 1.8 1.5 1.4 -0.2 -1.5 -1.7 -1.9 -2.8 -4.8 -6.3 -6.5 -7.4 -8.2 -8.6 650mb Dewpt(C): -13.0 -24.4 -15.0 -26.6 -10.8 -9.5 -14.7 -21.0 -18.9 -13.7 -7.1 -8.1 -8.3 -8.4 -9.3 650mb RH (%): 36 12 28 11 45 55 36 22 28 50 94 88 93 98 94 650mb Dir: 268 218 239 237 222 201 220 203 204 174 203 223 216 172 186 650mb Speed(kt): 9 13 21 27 21 15 12 11 11 19 23 29 34 25 42 600mb GPH (m): 4392 4380 4362 4351 4327 4300 4262 4238 4210 4188 4160 4163 4157 4134 4083 600mb Temp (C): -3.6 -3.0 -2.5 -3.7 -5.4 -6.4 -7.0 -7.4 -7.4 -8.8 -8.7 -8.1 -11.3 -10.9 -11.7 600mb Dewpt(C): -15.4 -20.4 -22.0 -21.1 -11.7 -14.2 -15.9 -21.2 -21.1 -13.9 -9.8 -11.1 -15.9 -12.1 -14.6 600mb RH (%): 39 25 21 25 61 54 50 32 33 67 92 79 69 90 80 600mb Dir: 267 229 236 234 216 201 221 204 203 164 208 229 214 176 180 600mb Speed(kt): 18 15 21 28 23 16 12 10 11 18 26 23 31 29 38 550mb GPH (m): 5073 5061 5044 5031 5002 4972 4933 4909 4881 4856 4831 4833 4820 4798 4744 550mb Temp (C): -9.0 -8.3 -8.4 -9.2 -10.7 -11.9 -11.9 -12.0 -12.1 -12.6 -11.8 -12.7 -14.7 -14.8 -16.2 550mb Dewpt(C): -14.1 -15.9 -17.3 -17.0 -16.7 -18.9 -30.1 -31.1 -28.8 -14.4 -13.0 -20.9 -23.1 -16.1 -18.4 550mb RH (%): 66 54 49 54 62 56 21 19 24 86 91 51 49 90 84 550mb Dir: 271 240 235 228 209 195 224 202 209 174 212 239 212 188 195 550mb Speed(kt): 25 17 21 27 24 19 14 13 15 17 28 21 29 33 47 500mb GPH (m): 5803 5792 5774 5759 5727 5694 5656 5631 5603 5579 5555 5552 5535 5511 5455 500mb Temp (C): -14.2 -14.1 -14.2 -15.1 -16.3 -16.8 -16.4 -16.0 -16.5 -15.7 -16.1 -17.9 -19.2 -20.2 -19.9 500mb Dewpt(C): -17.9 -22.2 -23.2 -20.5 -21.1 -40.0 -42.4 -46.8 -28.7 -17.1 -17.7 -21.1 -26.7 -24.9 -32.8 500mb RH (%): 74 51 47 63 67 12 9 6 35 90 88 77 52 67 32 500mb Dir: 273 242 234 227 206 201 233 212 214 211 214 230 204 198 190 500mb Speed(kt): 24 19 22 26 25 21 17 13 22 24 28 25 33 38 49 450mb GPH (m): 6592 6582 6564 6546 6510 6476 6439 6419 6387 6366 6340 6332 6308 6282 6224 450mb Temp (C): -20.2 -20.0 -20.2 -21.0 -22.1 -22.7 -22.1 -19.7 -20.9 -20.8 -21.0 -23.5 -25.6 -26.4 -27.2 450mb Dewpt(C): -24.6 -27.0 -28.2 -26.8 -31.1 -44.0 -35.7 -48.8 -24.3 -22.6 -23.1 -25.6 -30.0 -29.0 -36.4 450mb RH (%): 68 54 50 60 45 13 29 6 74 85 84 83 67 79 42 450mb Dir: 278 250 229 219 210 203 241 220 203 215 216 218 203 204 185 450mb Speed(kt): 28 17 22 26 26 24 18 17 21 20 26 30 34 43 48 400mb GPH (m): 7453 7445 7425 7404 7365 7330 7295 7281 7250 7226 7199 7183 7151 7119 7059 400mb Temp (C): -26.4 -26.0 -26.7 -27.7 -28.7 -28.5 -27.1 -26.0 -25.8 -26.8 -27.3 -29.4 -32.0 -33.8 -34.5 400mb Dewpt(C): -32.9 -36.0 -34.0 -35.7 -45.3 -33.4 -53.6 -33.5 -28.4 -29.5 -30.0 -33.0 -47.7 -36.6 -42.6 400mb RH (%): 55 40 51 47 20 63 7 51 79 78 78 72 21 77 45 400mb Dir: 277 246 225 216 211 212 242 234 224 204 215 207 208 206 188 400mb Speed(kt): 28 19 25 28 28 30 25 35 24 21 28 36 35 44 50 350mb GPH (m): 8404 8396 8372 8347 8303 8276 8242 8231 8202 8173 8144 8121 8080 8040 7976 350mb Temp (C): -33.3 -33.0 -34.4 -35.3 -36.1 -34.2 -34.2 -34.0 -33.1 -34.5 -35.1 -36.5 -39.0 -40.9 -41.8 350mb Dewpt(C): -43.9 -47.0 -41.5 -43.8 -40.3 -38.8 -45.7 -39.9 -36.3 -40.2 -38.9 -42.4 -57.6 -46.7 -57.6 350mb RH (%): 35 25 50 43 67 64 32 56 73 57 69 56 14 55 18 350mb Dir: 291 221 215 213 207 217 232 241 219 200 208 201 212 201 196 350mb Speed(kt): 24 22 30 32 30 40 41 49 33 26 32 43 41 47 56 300mb GPH (m): 9468 9459 9431 9403 9356 9333 9302 9290 9263 9230 9198 9168 9118 9070 9004 300mb Temp (C): -41.9 -42.1 -42.6 -43.2 -43.5 -43.6 -42.7 -43.2 -43.4 -43.7 -44.8 -45.9 -47.4 -48.4 -48.4 300mb Dewpt(C): -53.9 -54.3 -52.2 -55.3 -47.4 -48.9 -50.7 -53.6 -46.8 -47.1 -48.3 -50.1 -60.7 -57.1 -60.7 300mb RH (%): 28 27 36 27 66 57 43 33 70 70 69 64 22 38 25 300mb Dir: 302 216 218 207 225 217 231 242 220 197 195 193 210 200 195 300mb Speed(kt): 21 24 33 35 45 38 46 56 36 38 32 44 47 48 52 250mb GPH (m): 10674 10664 10634 10605 10558 10531 10508 10493 10459 10423 10388 10353 10305 10253 10186 250mb Temp (C): -52.8 -52.7 -53.0 -52.4 -52.7 -52.9 -51.2 -52.6 -54.6 -54.9 -54.9 -55.4 -53.6 -53.7 -53.8 250mb Dewpt(C): -64.9 -62.6 -62.2 -64.3 -57.0 -58.4 -60.1 -55.9 -58.4 -58.3 -58.8 -59.3 -66.4 -65.8 -66.2 250mb RH (%): 24 31 34 25 61 53 36 69 65 68 64 64 22 24 23 250mb Dir: 305 227 224 212 220 228 229 221 207 203 197 194 211 204 192 250mb Speed(kt): 24 22 33 32 46 41 65 69 46 40 34 43 54 54 51 200mb GPH (m): 12067 12060 12035 12011 11969 11944 11921 11893 11852 11820 11789 11762 11723 11676 11613 200mb Temp (C): -65.9 -65.6 -62.7 -62.7 -60.1 -58.8 -61.0 -63.1 -62.5 -60.7 -59.0 -56.1 -56.8 -55.1 -54.2 200mb Dewpt(C): -71.4 -70.8 -74.5 -70.9 -72.3 -74.3 -67.8 -67.6 -67.1 -67.7 -72.0 -76.3 -76.0 -75.3 -79.5 200mb RH (%): 49 51 22 35 21 14 43 57 56 42 19 8 9 8 4 200mb Dir: 296 250 224 223 213 228 231 225 214 213 211 213 218 202 201 200mb Speed(kt): 11 20 26 31 38 43 64 61 46 33 34 40 49 53 53 150mb GPH (m): 13803 13801 13799 13788 13753 13738 13703 13677 13642 13630 13607 13596 13554 13524 13465 150mb Temp (C): -64.0 -63.6 -63.6 -60.8 -60.7 -59.9 -60.8 -59.3 -58.1 -56.5 -56.6 -55.7 -54.2 -53.5 -52.8 150mb Dewpt(C): -79.2 -80.1 -80.2 -82.8 -79.8 -81.1 -79.2 -79.7 -81.4 -85.8 -85.9 -85.2 -88.9 -88.1 -87.6 150mb RH (%): 13 11 11 5 8 6 9 7 5 2 2 2 1 1 1 150mb Dir: 285 280 250 242 236 224 238 227 231 227 231 225 214 207 206 150mb Speed(kt): 28 26 28 32 29 37 32 28 28 25 31 33 37 42 43 100mb GPH (m): 16296 16289 16288 16294 16273 16259 16239 16216 16192 16188 16165 16158 16123 16106 16063 100mb Temp (C): -63.5 -63.4 -62.6 -62.9 -61.1 -61.4 -60.1 -59.3 -58.5 -58.6 -58.3 -58.2 -58.3 -58.0 -56.2 100mb Dewpt(C): -90.6 -88.1 -90.2 -88.2 -89.3 -89.5 -88.5 -87.9 -91.6 -91.7 -91.5 -91.4 -91.5 -91.3 -85.5 100mb RH (%): 2 3 2 3 2 2 2 2 1 1 1 1 1 1 2 100mb Dir: 299 282 275 268 263 247 252 244 250 231 238 229 216 221 209 100mb Speed(kt): 29 23 25 21 16 18 19 16 17 14 25 19 29 32 29