Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAR 20, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 995.1 995.9 995.0 994.9 998.0 1001.7 1002.0 1003.9 1004.3 1002.8 997.6 995.5 996.1 996.2 993.7 Mean SLP (mb): 1019.4 1020.4 1019.5 1019.6 1023.3 1027.1 1027.2 1029.4 1030.0 1028.1 1022.4 1020.6 1021.4 1021.4 1018.7 2m agl Tmp (F): 57.2 53.5 53.7 50.3 39.2 38.5 46.0 38.9 32.9 43.7 51.7 43.0 36.9 40.9 44.8 2m agl Dewpt(F): 48.2 46.7 51.4 49.4 37.1 35.8 31.1 29.2 31.1 30.7 33.0 33.6 35.0 35.2 33.7 2m agl RH (%): 71 77 92 97 92 90 55 68 93 60 48 69 93 80 64 10m agl Dir: 169 187 170 309 309 269 301 296 88 335 327 316 240 267 164 10m agl Spd(kt): 4 4 1 7 6 3 6 2 1 4 6 3 3 1 2 6hr Precip (in): 0.00 0.01 0.05 0.04 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.01 0.06 0.10 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 Sfc CAPE (J/kg): 0.0 0.6 0.0 31.1 7.3 35.4 2.7 0.0 0.0 0.0 0.0 0.4 0.2 3.0 0.2 Sfc CINH (J/kg): 0.0 0.0 -0.1 0.0 0.0 0.0 -0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 296.0 184.8 139.1 270.5 128.2 64.1 90.2 143.0 124.2 112.8 179.4 121.7 59.3 84.4 228.7 Precip H20 (in): 0.99 1.04 1.02 0.83 0.28 0.19 0.23 0.20 0.20 0.21 0.29 0.29 0.40 0.40 0.72 Lifted Index(C): 3.7 2.2 7.3 9.3 17.2 18.5 15.6 18.7 18.9 15.9 13.9 15.5 18.8 19.1 16.9 700mb VV(-ub/s): 2.7 4.2 -0.1 -0.2 0.8 -2.1 0.1 -1.6 -0.7 0.4 1.6 2.5 -0.5 1.2 1.4 Thk1000-500mb(m)5573.1 5546.1 5521.0 5485.9 5395.4 5385.3 5388.7 5398.8 5407.8 5431.2 5451.0 5460.2 5442.8 5454.3 5472.8 Thk1000-850mb(m)1359.3 1350.5 1343.1 1332.2 1301.7 1290.2 1303.3 1299.3 1298.2 1308.1 1325.6 1323.1 1307.7 1304.6 1315.1 Thk850-700mb(m):1587.9 1580.5 1568.8 1555.9 1533.5 1527.6 1531.3 1531.7 1535.6 1547.3 1556.5 1556.1 1547.0 1550.6 1542.4 SWEAT Index: 228.9 252.1 130.7 155.5 110.5 80.1 71.1 82.9 82.4 52.3 48.3 45.6 67.6 65.4 200.6 Total Totals Idx 42.5 47.0 37.0 37.0 21.4 14.7 20.2 12.4 14.6 20.2 19.8 12.4 13.7 12.5 18.5 Frz Hgt(ft amsl) 10742 10450 9548 7801 2552 1530 2868 2574 2367 5817 8670 8288 4916 2863 4780 0WetBlbHgt(amsl) 10197 9361 8873 6194 2018 1268 2242 1586 -1000 1356 2890 3626 2476 1758 2493 Equil Prs (mb): 995 996 995 846 998 875 1002 1004 1004 1003 998 996 996 996 994 Equil Hgt(amsl): 26 26 26 5014 26 4188 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: 48.0 38.0 22.6 21.3 49.4 21.1 45.7 49.6 8.3 56.5 50.7 47.7 48.6 51.6 61.2 Showalter Index: 5.1 2.2 9.2 9.8 18.0 20.3 18.2 20.3 19.6 16.8 15.9 18.5 20.5 20.2 19.7 Cap Strength(C):-999.9 -999.9 -999.9 0.0 0.0 1.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 273 268 272 275 285 302 299 307 311 301 277 271 293 285 277 Storm Spd (kts): 33 32 29 26 28 19 18 20 20 14 13 13 14 14 20 2m HeatIndex(F): 57 54 54 50 39 38 46 39 33 44 52 43 37 41 45 2m WindChill(F): 57 54 54 50 34 36 46 39 33 44 52 43 37 41 45 1000mb GPH (m): 162 169 162 162 188 217 220 236 238 227 184 167 172 172 152 950mb GPH (m): 594 598 590 586 602 629 638 650 651 642 607 587 586 586 570 950mb Temp (C): 13.3 10.7 9.6 6.9 0.8 -1.3 2.3 0.8 0.3 2.1 6.1 5.6 1.8 0.5 3.1 950mb Dewpt(C): 7.3 8.2 9.4 6.6 -0.7 -2.7 -2.2 -2.2 -5.5 -9.0 -1.8 -0.2 0.0 -1.5 -0.5 950mb RH (%): 67 84 99 98 90 90 72 80 65 43 57 66 88 86 77 950mb Dir: 211 217 271 321 329 300 307 335 350 0 339 357 313 267 152 950mb Speed(kt): 24 19 3 14 12 4 7 9 5 5 8 9 8 2 2 900mb GPH (m): 1047 1047 1037 1030 1034 1057 1071 1081 1082 1077 1047 1027 1022 1020 1007 900mb Temp (C): 10.8 9.2 7.1 4.7 -1.2 -4.2 -1.9 -1.8 -1.3 1.2 4.2 3.7 0.8 -0.3 2.7 900mb Dewpt(C): 1.9 8.9 5.0 4.3 -6.1 -9.4 -3.0 -10.4 -15.2 -17.0 -12.8 -2.9 -5.5 -4.2 -11.0 900mb RH (%): 54 98 86 98 69 67 92 52 34 24 28 61 63 75 36 900mb Dir: 218 228 261 266 330 338 310 332 339 11 30 30 299 247 200 900mb Speed(kt): 27 21 10 8 17 11 6 9 11 9 8 3 7 3 10 850mb GPH (m): 1522 1519 1505 1494 1489 1507 1524 1535 1536 1535 1510 1490 1480 1477 1467 850mb Temp (C): 9.0 7.3 4.9 2.6 -1.3 -3.4 -2.8 -2.4 -2.5 0.1 2.5 2.7 0.0 0.8 -0.1 850mb Dewpt(C): 3.0 7.0 1.4 0.5 -15.7 -21.3 -18.9 -23.7 -22.7 -20.4 -21.3 -24.2 -19.1 -21.1 -13.1 850mb RH (%): 66 98 78 86 33 24 28 18 20 20 15 12 22 18 37 850mb Dir: 233 235 254 223 292 306 323 302 314 348 111 184 267 224 213 850mb Speed(kt): 32 27 19 16 14 14 7 11 13 4 3 2 8 7 17 800mb GPH (m): 2022 2017 1998 1983 1971 1987 2004 2016 2016 2020 1998 1979 1964 1963 1949 800mb Temp (C): 6.8 5.2 2.9 1.8 -1.6 -3.4 -2.5 -2.4 -2.4 -0.2 2.0 2.0 -0.3 0.5 -2.4 800mb Dewpt(C): 6.5 4.6 2.5 -2.9 -37.1 -27.0 -39.7 -42.3 -33.7 -27.8 -34.2 -30.9 -28.7 -33.8 -3.4 800mb RH (%): 98 96 97 71 5 14 4 3 7 11 5 7 10 6 93 800mb Dir: 238 242 254 237 267 268 281 270 283 253 217 225 260 227 222 800mb Speed(kt): 39 34 29 26 20 21 11 16 17 5 7 10 9 8 17 750mb GPH (m): 2551 2543 2519 2501 2482 2496 2514 2526 2527 2535 2516 2496 2479 2480 2462 750mb Temp (C): 4.2 3.1 1.7 -0.6 -3.7 -4.6 -3.9 -3.8 -3.0 -0.5 0.9 0.2 -1.1 -0.2 -2.4 750mb Dewpt(C): 3.5 1.0 -0.4 -7.9 -37.5 -46.7 -47.7 -43.1 -38.1 -45.0 -44.9 -40.5 -39.2 -45.2 -2.8 750mb RH (%): 96 86 86 58 6 2 2 3 5 2 2 3 4 2 97 750mb Dir: 240 238 242 242 260 264 274 265 270 260 231 226 259 242 228 750mb Speed(kt): 42 43 39 31 29 26 20 22 22 13 15 18 11 11 23 700mb GPH (m): 3109 3100 3074 3050 3023 3035 3055 3067 3072 3082 3066 3046 3027 3028 3010 700mb Temp (C): 0.8 0.5 -0.7 -3.1 -6.7 -7.7 -7.0 -7.0 -3.8 -4.3 -3.1 -2.8 -3.4 -3.5 -2.8 700mb Dewpt(C): -0.9 -4.0 -1.8 -10.8 -30.6 -44.0 -35.2 -30.5 -41.2 -27.2 -32.5 -53.1 -37.0 -28.4 -3.3 700mb RH (%): 88 72 92 55 13 4 9 14 4 15 9 1 6 13 96 700mb Dir: 250 238 241 244 251 277 273 266 280 267 238 226 252 245 242 700mb Speed(kt): 45 51 53 39 39 28 28 29 31 19 20 20 15 18 31 650mb GPH (m): 3702 3691 3661 3632 3598 3609 3628 3641 3651 3663 3648 3628 3607 3609 3596 650mb Temp (C): -2.2 -2.9 -4.8 -6.4 -9.4 -9.1 -10.1 -8.8 -7.8 -6.7 -6.5 -6.9 -7.7 -6.5 -4.4 650mb Dewpt(C): -7.9 -10.6 -7.6 -10.9 -30.1 -48.7 -34.1 -45.4 -28.8 -31.4 -34.1 -41.1 -15.6 -18.3 -5.8 650mb RH (%): 65 56 81 70 17 3 13 4 17 12 10 5 54 39 90 650mb Dir: 258 239 236 248 249 276 268 272 281 270 239 226 255 245 257 650mb Speed(kt): 61 59 61 49 51 33 34 38 40 27 26 23 20 23 35 600mb GPH (m): 4333 4319 4286 4256 4212 4224 4241 4257 4269 4282 4267 4246 4225 4232 4224 600mb Temp (C): -5.9 -7.0 -8.4 -8.3 -11.9 -11.8 -13.2 -12.1 -11.0 -10.6 -12.0 -11.0 -10.6 -8.3 -6.4 600mb Dewpt(C): -15.5 -14.5 -9.8 -9.6 -29.4 -43.5 -34.0 -36.4 -27.3 -26.9 -26.9 -38.5 -14.7 -13.5 -8.3 600mb RH (%): 47 55 90 90 22 6 16 12 25 26 28 9 72 67 87 600mb Dir: 253 242 236 249 245 270 263 272 278 272 240 227 261 256 265 600mb Speed(kt): 67 63 69 61 66 38 42 45 48 33 30 28 24 33 47 550mb GPH (m): 5009 4992 4958 4926 4871 4887 4899 4918 4933 4945 4925 4909 4892 4903 4899 550mb Temp (C): -10.0 -11.4 -11.4 -12.4 -16.5 -13.9 -16.3 -14.3 -14.8 -15.0 -17.4 -14.5 -12.5 -11.6 -10.5 550mb Dewpt(C): -21.1 -17.3 -12.9 -13.8 -20.7 -60.6 -36.5 -45.0 -29.2 -33.9 -20.1 -19.0 -19.0 -15.9 -12.4 550mb RH (%): 40 62 89 89 71 1 17 6 29 19 80 69 59 71 86 550mb Dir: 248 243 241 239 249 265 260 276 276 264 241 245 262 264 257 550mb Speed(kt): 72 70 72 60 76 44 49 54 52 39 29 32 38 46 50 500mb GPH (m): 5735 5715 5683 5648 5583 5602 5609 5634 5646 5658 5635 5627 5615 5627 5625 500mb Temp (C): -15.2 -16.4 -15.3 -16.9 -19.2 -19.7 -21.0 -19.2 -19.9 -20.2 -19.3 -17.0 -16.4 -16.4 -15.8 500mb Dewpt(C): -23.0 -19.0 -17.1 -18.6 -44.7 -43.0 -40.7 -41.0 -41.2 -41.3 -21.1 -23.4 -21.0 -21.1 -18.0 500mb RH (%): 52 81 87 87 9 11 16 14 14 14 86 58 68 67 84 500mb Dir: 245 240 242 235 242 259 259 278 273 256 249 255 262 263 258 500mb Speed(kt): 77 79 77 66 82 52 57 62 56 45 43 41 51 52 54 450mb GPH (m): 6522 6500 6470 6432 6362 6374 6378 6408 6418 6430 6413 6412 6399 6410 6413 450mb Temp (C): -21.0 -21.4 -20.6 -21.5 -22.4 -25.3 -26.4 -25.5 -24.8 -25.0 -23.4 -20.5 -22.0 -21.8 -19.7 450mb Dewpt(C): -25.3 -22.7 -22.8 -23.3 -62.4 -47.2 -49.5 -45.6 -55.4 -33.2 -25.8 -36.7 -24.0 -24.1 -22.1 450mb RH (%): 69 89 83 85 2 12 10 14 5 47 81 23 84 82 82 450mb Dir: 242 239 242 232 241 260 260 277 268 255 257 256 260 261 252 450mb Speed(kt): 80 82 80 73 94 59 63 70 61 51 48 58 59 59 65 400mb GPH (m): 7383 7359 7329 7290 7216 7220 7218 7251 7264 7278 7265 7272 7253 7268 7278 400mb Temp (C): -26.2 -26.6 -26.9 -27.3 -28.4 -30.3 -32.6 -31.5 -30.7 -29.5 -28.1 -27.5 -28.5 -26.7 -25.0 400mb Dewpt(C): -30.7 -29.0 -29.5 -29.4 -72.7 -62.7 -58.2 -49.5 -52.5 -32.0 -31.7 -45.8 -30.9 -29.6 -27.6 400mb RH (%): 67 80 78 82 1 3 7 16 11 79 72 17 80 77 79 400mb Dir: 244 241 240 230 240 260 264 275 263 260 257 256 260 259 248 400mb Speed(kt): 85 90 81 83 92 69 71 77 70 62 64 58 58 74 75 350mb GPH (m): 8335 8312 8280 8237 8158 8155 8145 8180 8198 8218 8208 8217 8196 8219 8236 350mb Temp (C): -32.3 -32.3 -33.2 -34.1 -35.0 -37.3 -38.8 -39.1 -37.1 -35.5 -36.1 -34.7 -35.4 -33.0 -31.4 350mb Dewpt(C): -38.4 -36.9 -36.4 -39.3 -49.5 -59.5 -60.5 -55.1 -53.8 -39.0 -43.9 -42.3 -40.3 -36.4 -34.4 350mb RH (%): 56 65 73 61 23 9 9 18 17 71 46 48 62 73 75 350mb Dir: 244 239 239 235 240 253 265 267 268 260 260 273 257 256 258 350mb Speed(kt): 91 97 87 89 106 78 81 84 80 70 69 64 60 93 97 300mb GPH (m): 9407 9381 9345 9296 9216 9202 9187 9218 9248 9272 9256 9273 9250 9283 9309 300mb Temp (C): -39.1 -40.2 -41.7 -42.7 -42.7 -44.9 -45.4 -46.8 -44.5 -44.3 -45.7 -43.9 -43.1 -42.2 -39.1 300mb Dewpt(C): -46.4 -44.9 -45.2 -46.5 -52.3 -64.2 -67.1 -59.2 -48.8 -48.3 -50.3 -52.6 -51.6 -45.8 -42.7 300mb RH (%): 48 62 70 68 36 11 8 25 63 65 61 39 40 69 70 300mb Dir: 243 239 237 235 239 247 263 272 265 257 261 271 272 264 261 300mb Speed(kt): 83 94 94 99 122 84 84 97 93 81 75 79 96 97 105 250mb GPH (m): 10634 10600 10555 10502 10422 10403 10383 10410 10441 10465 10447 10472 10455 10491 10531 250mb Temp (C): -47.9 -49.3 -50.5 -51.2 -49.6 -50.3 -52.2 -53.2 -55.1 -55.0 -54.0 -52.7 -51.6 -51.8 -50.1 250mb Dewpt(C): -55.2 -53.0 -54.5 -55.0 -63.8 -68.6 -66.6 -62.3 -58.8 -60.3 -61.3 -56.0 -63.8 -55.6 -53.7 250mb RH (%): 45 67 64 65 19 11 18 35 65 54 42 69 24 65 67 250mb Dir: 239 238 237 232 238 241 258 282 271 259 268 268 275 266 262 250mb Speed(kt): 80 94 104 113 114 85 82 129 103 83 92 97 109 118 115 200mb GPH (m): 12067 12028 11982 11932 11882 11851 11820 11829 11841 11863 11855 11880 11876 11897 11941 200mb Temp (C): -58.4 -57.6 -56.3 -53.7 -48.4 -51.0 -52.8 -55.4 -58.9 -60.5 -59.1 -60.7 -58.7 -61.6 -63.1 200mb Dewpt(C): -65.9 -65.5 -66.7 -71.8 -80.1 -76.9 -75.4 -76.9 -71.0 -69.7 -73.6 -69.1 -72.6 -66.0 -65.8 200mb RH (%): 40 39 28 11 2 4 6 7 22 32 16 35 17 58 71 200mb Dir: 237 239 241 240 248 248 253 263 274 259 269 267 274 276 265 200mb Speed(kt): 81 101 107 111 86 91 103 95 96 87 97 99 106 135 115 150mb GPH (m): 13875 13853 13833 13802 13769 13733 13700 13674 13660 13664 13658 13674 13674 13711 13729 150mb Temp (C): -58.8 -56.2 -53.1 -50.5 -50.4 -50.1 -48.1 -51.9 -56.5 -57.8 -57.3 -57.4 -59.0 -56.5 -59.1 150mb Dewpt(C): -83.1 -85.7 -87.8 -85.9 -85.9 -85.7 -95.3 -86.9 -85.4 -84.1 -83.7 -83.8 -83.2 -85.8 -85.1 150mb RH (%): 4 2 1 1 1 1 0 1 2 3 3 3 4 2 3 150mb Dir: 243 241 249 245 246 244 252 262 260 258 262 269 266 256 266 150mb Speed(kt): 80 82 83 88 91 89 79 91 94 84 85 83 93 92 118 100mb GPH (m): 16389 16387 16391 16380 16345 16322 16302 16268 16230 16220 16208 16216 16211 16220 16245 100mb Temp (C): -64.1 -63.2 -62.2 -60.8 -61.0 -60.4 -59.2 -57.1 -59.4 -58.6 -59.5 -60.3 -62.4 -63.2 -63.1 100mb Dewpt(C): -91.5 -90.8 -90.1 -89.0 -89.1 -88.5 -87.9 -86.2 -92.1 -91.7 -92.4 -88.7 -90.2 -90.2 -91.0 100mb RH (%): 2 2 2 2 2 2 2 2 1 1 1 2 2 2 2 100mb Dir: 249 251 255 249 243 244 242 251 260 261 267 272 269 274 267 100mb Speed(kt): 60 55 53 55 61 72 73 59 83 66 72 71 81 97 84