Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z DEC 31, 2025 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 996.3 994.3 990.0 988.1 986.0 983.9 982.8 982.4 984.2 987.7 984.4 980.6 977.2 976.2 971.8 Mean SLP (mb): 1021.7 1019.5 1014.9 1013.1 1010.9 1008.7 1007.7 1007.1 1009.0 1012.3 1008.7 1005.0 1001.6 1000.6 996.0 2m agl Tmp (F): 33.9 36.9 41.3 36.7 38.3 40.2 39.4 41.2 44.6 48.0 49.7 46.8 44.7 43.5 47.6 2m agl Dewpt(F): 25.3 26.4 28.7 26.1 27.0 30.2 37.7 40.2 44.0 47.2 46.5 42.2 39.9 40.8 40.2 2m agl RH (%): 70 65 60 65 63 67 93 96 98 97 89 84 83 90 75 10m agl Dir: 81 82 79 79 83 77 82 88 189 185 74 90 92 92 99 10m agl Spd(kt): 9 11 9 11 9 8 7 8 3 7 6 9 10 10 13 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.24 0.37 0.21 0.01 0.00 0.03 0.26 0.01 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.31 0.68 0.89 0.90 0.90 0.93 1.19 1.20 Sfc CAPE (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6 2.6 0.0 0.0 0.0 2.6 1.5 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -1.9 0.0 0.0 -0.1 -20.4 -1.0 0-3km Hel(J/kg): 140.6 138.2 140.1 155.8 126.2 181.8 258.1 279.2 192.4 143.0 69.6 244.9 131.2 235.1 510.7 Precip H20 (in): 0.48 0.48 0.47 0.40 0.63 0.80 0.96 0.98 0.92 0.71 0.77 0.75 0.75 0.59 0.63 Lifted Index(C): 7.2 8.5 9.3 14.0 13.7 12.6 4.9 2.9 4.0 7.2 4.5 5.0 4.4 0.1 2.1 700mb VV(-ub/s): 3.7 -1.5 2.1 -0.4 0.7 2.3 4.7 6.3 10.8 0.9 0.9 5.6 4.4 9.6 3.5 Thk1000-500mb(m)5577.7 5555.6 5548.0 5543.9 5528.3 5517.4 5502.8 5501.4 5481.3 5458.7 5471.1 5481.5 5453.6 5399.9 5431.5 Thk1000-850mb(m)1338.6 1335.8 1341.1 1341.2 1335.6 1333.9 1328.5 1337.9 1335.3 1331.9 1342.1 1346.4 1336.5 1332.0 1344.3 Thk850-700mb(m):1600.1 1593.3 1586.7 1581.2 1571.3 1563.1 1565.3 1566.9 1557.9 1549.1 1555.9 1556.5 1549.8 1541.6 1545.4 SWEAT Index: 32.2 31.9 37.2 96.7 99.6 50.9 174.8 198.1 207.2 121.5 101.5 89.4 82.5 283.5 196.0 Total Totals Idx 39.5 37.0 33.0 23.1 25.9 28.7 42.0 46.9 46.2 40.8 46.6 44.9 46.6 56.9 52.3 Frz Hgt(ft amsl) 12403 11939 11325 10801 9649 7915 7994 8359 7424 5888 7195 7028 6112 5623 6042 0WetBlbHgt(amsl) 8557 7888 6889 4958 4795 5373 7877 8269 7334 5186 6083 6680 5892 5142 5589 Equil Prs (mb): 996 994 990 988 986 984 983 982 984 988 984 981 977 976 972 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: 52.1 49.3 49.2 53.3 53.8 52.1 35.8 29.8 27.3 27.2 30.9 35.2 30.0 33.0 47.2 Showalter Index: 7.0 8.8 10.7 15.1 14.8 13.9 5.9 3.1 4.0 8.2 4.4 5.0 4.7 -0.1 1.8 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): 238 202 229 220 231 217 256 250 264 260 248 222 205 226 223 Storm Spd (kts): 11 9 8 12 12 15 21 23 22 19 18 19 16 24 35 2m HeatIndex(F): 34 37 41 37 38 40 39 41 45 48 50 47 45 43 48 2m WindChill(F): 26 29 41 29 31 40 34 41 45 48 50 47 45 43 48 1000mb GPH (m): 173 157 121 106 88 71 62 58 73 101 72 41 13 5 -33 950mb GPH (m): 588 573 541 524 507 489 480 479 494 525 499 466 435 427 391 950mb Temp (C): 6.7 8.2 10.0 10.5 8.5 8.5 5.9 7.9 7.6 7.6 10.0 10.7 8.4 7.7 10.9 950mb Dewpt(C): -3.7 -4.1 -3.1 -2.8 -1.7 -1.7 5.6 7.6 7.2 7.0 6.9 4.4 4.1 5.2 3.1 950mb RH (%): 47 41 39 39 48 48 97 98 98 95 81 65 74 84 58 950mb Dir: 96 99 97 100 107 93 98 134 216 202 89 106 93 115 103 950mb Speed(kt): 21 23 21 22 16 20 16 12 17 18 9 20 19 15 18 900mb GPH (m): 1035 1020 990 974 954 936 923 926 941 969 946 917 882 872 841 900mb Temp (C): 10.5 8.8 9.2 10.1 8.4 7.7 5.8 7.8 6.8 5.1 7.1 9.7 7.4 6.3 9.5 900mb Dewpt(C): -5.0 -2.6 -2.7 -4.5 -2.3 -1.2 5.6 7.5 6.5 4.1 4.5 1.2 2.7 2.5 0.6 900mb RH (%): 33 44 43 35 47 53 99 98 98 93 83 55 71 77 54 900mb Dir: 145 159 183 192 199 119 180 206 227 228 226 185 118 190 166 900mb Speed(kt): 11 8 6 11 9 6 10 24 30 27 6 19 17 25 30 850mb GPH (m): 1512 1492 1462 1447 1424 1405 1391 1396 1408 1433 1414 1388 1350 1337 1311 850mb Temp (C): 11.3 8.9 8.3 8.0 6.5 5.4 5.0 5.5 4.3 1.7 4.3 5.8 4.0 2.3 4.8 850mb Dewpt(C): -2.9 -5.4 -9.6 -13.0 -9.3 -5.1 4.6 5.3 4.1 0.4 1.8 1.1 0.4 1.0 -0.4 850mb RH (%): 37 36 27 21 31 46 98 98 98 91 84 72 78 91 69 850mb Dir: 196 182 212 209 209 150 221 220 227 227 230 193 143 208 178 850mb Speed(kt): 5 6 11 16 15 11 22 30 35 29 20 18 16 33 39 800mb GPH (m): 2016 1993 1962 1944 1919 1897 1885 1890 1900 1919 1905 1880 1839 1824 1801 800mb Temp (C): 9.2 8.2 7.1 6.0 4.4 2.4 3.3 3.3 1.8 -0.6 1.5 1.7 0.1 -0.7 0.3 800mb Dewpt(C): -8.6 -10.2 -9.4 -21.4 -16.8 -5.1 3.0 3.0 1.5 -4.9 -2.5 -0.2 -0.5 -2.9 -1.5 800mb RH (%): 27 26 30 12 20 58 98 98 98 73 74 87 95 85 88 800mb Dir: 244 195 223 210 211 170 230 223 228 229 220 188 171 209 181 800mb Speed(kt): 4 6 11 16 16 15 31 41 37 24 28 19 15 31 44 750mb GPH (m): 2548 2524 2489 2470 2441 2416 2405 2411 2418 2435 2423 2397 2354 2337 2314 750mb Temp (C): 7.5 6.5 5.0 4.4 2.5 0.0 0.1 0.7 -0.8 -0.6 -1.2 -1.6 -2.1 -3.6 -3.5 750mb Dewpt(C): -9.6 -9.3 -9.7 -21.0 -21.9 -0.3 -0.2 0.4 -1.0 -9.8 -2.6 -1.8 -2.4 -6.8 -3.7 750mb RH (%): 28 31 34 14 15 98 98 98 98 50 90 98 98 79 99 750mb Dir: 240 193 227 209 211 195 231 222 234 236 215 213 185 209 195 750mb Speed(kt): 10 8 10 14 15 18 32 45 39 29 26 25 17 32 58 700mb GPH (m): 3112 3086 3049 3028 2995 2968 2956 2963 2966 2982 2970 2944 2900 2879 2856 700mb Temp (C): 4.1 3.5 2.7 1.7 -0.3 -1.5 -1.9 -2.1 -3.6 -3.6 -4.1 -4.5 -5.3 -7.0 -7.0 700mb Dewpt(C): -11.1 -22.4 -22.6 -22.0 -9.6 -1.8 -2.2 -2.4 -3.7 -7.1 -6.6 -4.7 -5.5 -20.9 -7.2 700mb RH (%): 32 13 14 15 49 98 98 98 99 77 83 99 98 32 98 700mb Dir: 239 202 225 204 202 213 229 221 239 237 213 226 172 216 202 700mb Speed(kt): 15 9 10 13 14 25 36 44 37 29 26 21 14 37 66 650mb GPH (m): 3710 3682 3644 3621 3584 3556 3543 3548 3549 3563 3552 3524 3478 3451 3431 650mb Temp (C): 0.5 -0.3 -1.3 -2.2 -3.6 -4.0 -4.6 -5.9 -6.8 -7.7 -6.8 -7.2 -8.0 -10.9 -10.5 650mb Dewpt(C): -24.4 -30.9 -16.6 -14.3 -3.8 -4.5 -4.9 -6.2 -7.2 -8.1 -10.0 -10.3 -8.1 -12.2 -11.0 650mb RH (%): 14 8 30 39 99 96 98 98 97 97 78 78 99 90 96 650mb Dir: 240 208 219 189 195 211 232 225 239 237 212 187 184 189 204 650mb Speed(kt): 20 12 9 12 15 26 43 37 35 30 30 26 14 26 67 600mb GPH (m): 4346 4315 4275 4251 4213 4184 4170 4171 4170 4182 4171 4144 4096 4061 4042 600mb Temp (C): -3.7 -5.4 -6.4 -6.4 -6.5 -6.9 -7.3 -9.3 -9.5 -9.9 -11.0 -10.9 -11.9 -15.6 -14.2 600mb Dewpt(C): -27.3 -18.5 -11.9 -16.7 -7.5 -7.7 -7.8 -9.8 -10.5 -14.8 -13.6 -15.1 -12.0 -16.9 -17.4 600mb RH (%): 14 35 65 44 93 94 96 97 92 68 82 71 99 90 77 600mb Dir: 231 203 215 186 214 209 235 229 241 240 219 190 199 199 205 600mb Speed(kt): 23 12 7 13 19 26 40 32 32 29 31 33 19 35 62 550mb GPH (m): 5024 4990 4948 4924 4889 4860 4843 4840 4838 4847 4832 4808 4757 4710 4696 550mb Temp (C): -9.7 -11.3 -11.6 -11.7 -10.2 -10.3 -11.9 -12.7 -13.7 -15.0 -16.2 -14.6 -16.0 -21.0 -18.9 550mb Dewpt(C): -16.9 -14.9 -17.3 -15.8 -11.0 -11.3 -12.8 -14.1 -15.7 -19.0 -17.3 -16.0 -17.7 -22.0 -23.0 550mb RH (%): 56 75 63 72 94 92 93 89 85 72 91 89 86 92 71 550mb Dir: 222 193 217 199 216 200 239 225 244 234 226 201 199 197 204 550mb Speed(kt): 22 13 10 17 24 26 33 34 29 26 34 37 27 36 56 500mb GPH (m): 5751 5712 5669 5649 5617 5588 5565 5559 5554 5560 5543 5523 5467 5405 5398 500mb Temp (C): -15.6 -16.8 -17.1 -14.0 -14.4 -14.2 -16.2 -18.0 -18.9 -19.3 -20.3 -19.0 -21.1 -26.9 -24.0 500mb Dewpt(C): -20.0 -19.9 -23.5 -25.3 -15.9 -15.8 -17.2 -19.7 -20.7 -30.1 -31.1 -22.2 -23.9 -28.0 -29.9 500mb RH (%): 69 77 58 39 88 88 92 87 86 39 38 76 78 90 59 500mb Dir: 211 194 220 217 217 193 232 228 243 230 225 200 199 194 201 500mb Speed(kt): 23 19 15 23 28 29 27 32 29 28 40 39 45 47 53 450mb GPH (m): 6537 6493 6453 6440 6408 6379 6347 6338 6330 6335 6315 6297 6236 6156 6157 450mb Temp (C): -21.7 -22.4 -20.9 -19.7 -19.2 -19.5 -21.6 -22.6 -24.2 -24.2 -25.6 -25.2 -27.0 -31.5 -30.4 450mb Dewpt(C): -27.4 -26.6 -33.8 -26.7 -21.6 -21.5 -33.3 -31.3 -26.3 -38.4 -34.1 -30.4 -30.6 -38.0 -33.1 450mb RH (%): 61 70 32 54 82 84 35 46 83 27 46 62 73 54 78 450mb Dir: 210 202 238 231 224 191 219 227 235 228 221 202 195 184 197 450mb Speed(kt): 22 22 23 28 32 30 29 33 35 31 43 38 62 64 48 400mb GPH (m): 7391 7348 7315 7305 7274 7243 7207 7193 7178 7181 7159 7139 7071 6981 6981 400mb Temp (C): -28.8 -27.8 -25.4 -24.9 -25.4 -26.0 -26.8 -28.4 -30.5 -31.5 -30.9 -31.9 -34.0 -36.3 -37.5 400mb Dewpt(C): -45.1 -30.4 -41.6 -38.6 -28.1 -28.5 -38.6 -37.4 -34.2 -45.0 -37.2 -41.0 -38.5 -46.9 -41.0 400mb RH (%): 21 79 22 28 79 79 33 43 71 26 55 41 65 34 71 400mb Dir: 220 217 243 234 221 197 227 211 232 218 220 210 188 174 198 400mb Speed(kt): 28 32 40 35 36 33 35 37 38 27 39 40 76 76 46 350mb GPH (m): 8331 8295 8269 8259 8227 8194 8155 8134 8109 8109 8090 8067 7990 7893 7884 350mb Temp (C): -36.1 -33.8 -32.3 -33.0 -33.2 -33.2 -34.4 -36.4 -38.5 -39.3 -38.8 -39.5 -42.0 -42.2 -46.2 350mb Dewpt(C): -53.5 -37.2 -44.6 -41.2 -36.4 -36.5 -37.9 -41.9 -42.4 -50.2 -44.4 -46.0 -47.6 -63.0 -49.9 350mb RH (%): 16 72 30 45 74 73 72 58 68 32 57 51 56 10 67 350mb Dir: 217 225 241 234 213 208 211 198 229 221 219 207 189 176 204 350mb Speed(kt): 36 42 57 36 38 32 39 46 40 41 39 48 93 72 54 300mb GPH (m): 9382 9355 9335 9323 9288 9255 9212 9181 9146 9147 9127 9102 9017 8924 8891 300mb Temp (C): -44.0 -42.9 -41.9 -42.0 -43.1 -43.4 -43.8 -45.6 -47.9 -47.5 -47.1 -47.5 -49.0 -47.0 -51.7 300mb Dewpt(C): -65.2 -46.4 -49.8 -47.5 -46.5 -46.8 -47.4 -50.4 -52.7 -59.8 -56.5 -57.6 -57.5 -66.4 -59.8 300mb RH (%): 9 70 44 57 70 70 68 60 59 25 35 32 39 10 39 300mb Dir: 222 224 243 230 219 203 197 189 229 233 224 211 196 183 207 300mb Speed(kt): 36 42 66 46 38 33 31 45 42 39 49 62 98 65 52 250mb GPH (m): 10587 10557 10543 10527 10488 10451 10406 10370 10330 10327 10312 10289 10198 10119 10073 250mb Temp (C): -51.0 -52.3 -51.8 -52.7 -53.3 -54.0 -54.7 -54.6 -53.7 -55.2 -55.2 -53.6 -53.0 -50.8 -51.2 250mb Dewpt(C): -71.7 -58.9 -61.5 -56.5 -57.1 -58.7 -58.4 -58.2 -67.7 -68.8 -68.0 -70.7 -68.9 -73.1 -73.0 250mb RH (%): 8 47 33 65 65 59 66 66 19 19 21 13 15 7 7 250mb Dir: 226 230 232 228 218 198 189 200 229 228 228 213 203 192 212 250mb Speed(kt): 36 54 71 55 39 43 34 42 44 54 63 69 84 60 49 200mb GPH (m): 11998 11969 11951 11929 11887 11851 11810 11785 11752 11737 11714 11701 11635 11567 11521 200mb Temp (C): -62.2 -61.0 -62.1 -63.6 -63.2 -61.4 -60.1 -56.7 -56.5 -56.7 -59.5 -58.2 -54.9 -50.7 -52.1 200mb Dewpt(C): -72.4 -73.9 -66.9 -67.3 -67.9 -73.8 -72.0 -75.1 -73.7 -74.2 -72.5 -72.2 -75.4 -81.0 -79.8 200mb RH (%): 27 19 54 63 56 20 22 10 11 11 19 17 8 2 3 200mb Dir: 231 233 224 229 219 211 223 213 240 233 224 214 201 202 212 200mb Speed(kt): 45 61 65 64 49 37 30 35 44 57 67 61 46 53 45 150mb GPH (m): 13781 13753 13724 13707 13668 13657 13623 13615 13587 13569 13543 13527 13471 13431 13382 150mb Temp (C): -60.6 -59.6 -61.1 -59.2 -59.0 -57.2 -55.4 -55.7 -54.6 -54.7 -54.9 -55.7 -53.2 -52.5 -51.5 150mb Dewpt(C): -82.0 -82.2 -82.2 -83.2 -83.3 -86.3 -85.0 -85.2 -89.2 -88.9 -88.5 -85.1 -87.8 -82.8 -86.7 150mb RH (%): 6 5 6 4 4 2 2 2 1 1 1 2 1 2 1 150mb Dir: 244 239 241 240 230 235 238 242 234 233 234 222 213 203 216 150mb Speed(kt): 34 33 36 24 24 24 30 31 35 40 43 44 46 46 49 100mb GPH (m): 16290 16269 16250 16237 16210 16205 16188 16177 16150 16144 16113 16097 16068 16032 16003 100mb Temp (C): -61.9 -62.2 -61.1 -60.3 -60.3 -59.1 -58.8 -58.3 -59.0 -58.5 -58.2 -58.1 -56.7 -55.1 -54.1 100mb Dewpt(C): -89.9 -90.1 -89.2 -89.0 -88.7 -92.0 -87.5 -87.2 -87.7 -91.6 -91.4 -87.0 -85.9 -89.2 -88.5 100mb RH (%): 2 2 2 2 2 1 2 2 2 1 1 2 2 1 1 100mb Dir: 265 255 252 245 262 236 253 238 237 230 232 224 213 202 217 100mb Speed(kt): 19 19 20 16 18 16 23 20 28 27 31 24 34 32 38