Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAR 21, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 997.0 1000.0 1000.6 1004.3 1004.6 1002.4 996.6 994.2 995.3 997.0 994.8 992.9 989.2 985.4 983.5 Mean SLP (mb): 1021.9 1025.1 1025.5 1029.6 1030.2 1027.5 1021.1 1019.0 1020.6 1022.2 1019.6 1017.8 1014.1 1010.1 1008.0 2m agl Tmp (F): 44.7 44.0 50.3 41.8 36.1 47.3 55.4 46.2 37.6 42.1 47.5 44.6 43.2 44.8 47.8 2m agl Dewpt(F): 40.8 38.5 35.9 30.0 32.0 32.6 36.8 34.6 33.6 34.9 34.0 34.6 36.4 44.1 44.7 2m agl RH (%): 86 80 57 62 85 56 49 63 85 75 59 67 76 97 89 10m agl Dir: 296 317 286 305 93 16 350 334 229 254 319 320 33 141 199 10m agl Spd(kt): 5 4 6 3 2 4 5 2 2 2 4 2 3 6 13 6hr Precip (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 0.01 0.33 0.51 AccumPrecip(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 0.01 0.34 0.85 Sfc CAPE (J/kg): 0.1 13.8 6.9 0.0 0.0 0.0 0.0 0.0 0.0 2.4 0.4 0.0 0.0 0.0 0.0 Sfc CINH (J/kg): -0.5 0.0 -0.2 -0.4 -0.4 0.0 0.0 0.0 0.0 0.0 -0.5 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 61.7 94.5 105.5 154.8 90.9 133.1 184.4 148.3 85.9 75.6 154.1 173.2 551.1 592.9 400.9 Precip H20 (in): 0.61 0.30 0.27 0.22 0.25 0.24 0.29 0.29 0.37 0.42 0.53 0.70 0.88 1.05 0.79 Lifted Index(C): 10.9 13.5 11.7 17.2 17.0 15.5 9.7 12.9 15.6 18.6 19.2 14.9 13.6 3.4 5.9 700mb VV(-ub/s): -3.5 -2.6 -0.2 -1.7 0.0 -0.8 1.3 4.8 -0.4 1.1 0.2 1.8 5.4 19.2 15.8 Thk1000-500mb(m)5415.3 5402.1 5399.3 5397.4 5406.3 5435.9 5473.2 5469.7 5445.0 5454.1 5465.8 5478.7 5498.5 5519.4 5488.8 Thk1000-850mb(m)1321.0 1308.3 1314.8 1303.7 1303.0 1313.7 1334.9 1333.0 1311.4 1304.2 1314.7 1316.8 1318.2 1324.4 1331.7 Thk850-700mb(m):1527.5 1529.9 1529.9 1526.2 1532.5 1549.4 1561.3 1565.4 1549.7 1550.4 1546.2 1545.1 1556.1 1578.9 1564.4 SWEAT Index: 110.8 78.5 80.8 89.9 81.2 50.5 48.3 53.1 72.2 58.5 65.2 192.1 212.0 275.7 297.6 Total Totals Idx 34.8 31.0 27.6 21.0 25.3 23.1 20.3 23.9 26.0 20.2 13.7 25.7 27.9 37.5 41.7 Frz Hgt(ft amsl) 5428 3060 3780 3186 3244 8082 8729 8925 8181 3285 4747 5286 4450 9703 8285 0WetBlbHgt(amsl) 4690 2773 3409 2254 1176 2366 4063 3596 3343 2131 2545 2419 3888 9635 8045 Equil Prs (mb): 997 890 1001 1004 1005 1002 997 994 995 997 995 993 989 985 984 Equil Hgt(amsl): 26 3742 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: 30.4 22.2 28.1 50.4 56.0 52.2 46.3 49.2 48.1 49.9 55.9 61.8 62.2 15.7 18.0 Showalter Index: 11.8 13.9 15.7 19.4 17.5 16.1 13.8 14.1 16.6 19.6 21.5 16.7 15.9 9.4 6.5 Cap Strength(C):-999.9 3.2 -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): 284 299 297 309 315 307 277 267 291 291 276 275 269 256 257 Storm Spd (kts): 25 18 20 21 19 14 13 14 16 14 18 19 28 36 42 2m HeatIndex(F): 45 44 50 42 36 47 55 46 38 42 47 45 43 45 48 2m WindChill(F): 45 44 50 42 36 47 55 46 38 42 47 45 43 45 48 1000mb GPH (m): 179 203 208 239 241 223 175 156 165 179 160 145 114 82 66 950mb GPH (m): 598 620 630 655 656 642 602 578 580 594 581 564 534 503 490 950mb Temp (C): 4.3 1.8 4.8 2.2 1.8 3.7 8.6 7.6 1.9 0.7 4.2 4.2 4.7 5.5 6.6 950mb Dewpt(C): 3.6 1.4 0.3 -2.2 -6.2 -4.6 0.4 -2.2 -0.1 0.0 -0.5 -3.9 -3.7 5.2 6.3 950mb RH (%): 95 97 72 72 56 54 56 50 86 95 71 55 54 98 97 950mb Dir: 314 329 290 328 10 29 1 44 324 251 328 197 70 171 200 950mb Speed(kt): 9 6 7 10 4 6 6 6 8 2 4 1 4 14 23 900mb GPH (m): 1037 1054 1067 1089 1090 1078 1046 1022 1017 1027 1017 1002 973 944 932 900mb Temp (C): 3.2 -0.7 0.4 -0.8 -0.5 1.6 4.7 6.3 1.9 0.0 1.2 2.2 2.5 3.7 4.5 900mb Dewpt(C): 1.8 -2.2 -0.8 -8.9 -9.8 -7.1 -0.9 -8.7 -2.5 -5.9 -9.5 -7.1 0.2 3.4 4.2 900mb RH (%): 91 89 91 54 50 53 67 33 72 64 45 50 85 98 98 900mb Dir: 290 327 294 325 347 53 45 87 298 274 352 212 205 197 206 900mb Speed(kt): 12 9 7 9 11 8 9 7 7 5 3 10 13 37 46 850mb GPH (m): 1500 1512 1523 1542 1544 1537 1510 1489 1477 1483 1475 1462 1433 1407 1398 850mb Temp (C): 1.0 0.6 -1.9 -3.6 -2.9 0.6 4.2 4.8 0.4 -1.3 -0.1 0.8 -0.5 2.4 4.0 850mb Dewpt(C): -2.4 -9.6 -13.7 -14.0 -12.0 -17.5 -25.1 -18.6 -8.2 -11.8 -15.7 -5.1 -3.4 2.1 3.8 850mb RH (%): 78 47 40 45 50 25 10 16 52 45 30 65 81 98 98 850mb Dir: 266 262 297 286 340 70 116 176 270 258 250 222 209 210 225 850mb Speed(kt): 15 11 10 13 13 3 6 4 7 7 5 17 27 55 59 800mb GPH (m): 1984 1996 2005 2020 2022 2023 2002 1981 1962 1967 1960 1946 1917 1902 1890 800mb Temp (C): -2.2 -1.9 -2.6 -3.9 -4.0 0.9 3.6 4.3 0.7 1.4 0.3 -1.8 -0.3 5.7 2.8 800mb Dewpt(C): -9.7 -17.7 -28.3 -40.4 -17.7 -35.7 -43.2 -41.9 -33.7 -42.9 -29.6 -2.5 -0.7 5.4 2.5 800mb RH (%): 56 29 12 4 34 5 2 2 6 2 9 95 97 98 98 800mb Dir: 278 265 264 284 319 248 208 209 253 249 242 226 210 229 229 800mb Speed(kt): 16 15 18 17 14 4 8 10 14 12 13 18 37 60 54 750mb GPH (m): 2491 2505 2513 2528 2532 2540 2523 2503 2479 2486 2476 2458 2434 2429 2411 750mb Temp (C): -6.9 -5.7 -4.9 -4.6 -3.1 -0.2 1.1 1.9 0.1 0.0 -0.9 -2.4 0.5 3.4 0.7 750mb Dewpt(C): -8.8 -22.5 -25.9 -38.8 -37.4 -45.1 -40.4 -51.8 -52.7 -30.0 -27.9 -2.6 0.3 3.1 0.0 750mb RH (%): 86 26 18 5 5 2 3 1 1 9 11 98 98 98 95 750mb Dir: 280 272 264 270 282 273 226 226 255 256 234 232 228 232 229 750mb Speed(kt): 20 18 23 25 19 13 14 16 19 14 20 23 45 63 56 700mb GPH (m): 3027 3042 3053 3068 3076 3086 3071 3054 3027 3034 3021 3007 2989 2986 2962 700mb Temp (C): -9.6 -8.5 -6.7 -6.3 -4.2 -4.6 -3.2 -2.9 -3.4 -4.1 -5.8 -3.3 0.0 -0.2 -2.7 700mb Dewpt(C): -10.7 -42.1 -42.7 -43.6 -47.2 -31.9 -36.1 -32.3 -52.7 -19.4 -12.0 -3.6 -0.3 -0.4 -6.9 700mb RH (%): 91 5 4 4 2 10 6 9 1 29 62 98 98 98 73 700mb Dir: 265 272 267 272 281 275 238 234 253 255 226 238 245 234 231 700mb Speed(kt): 28 24 29 32 28 18 18 19 21 17 27 28 56 61 55 650mb GPH (m): 3599 3613 3627 3645 3655 3666 3653 3636 3608 3614 3600 3592 3580 3576 3546 650mb Temp (C): -10.3 -9.6 -9.8 -9.1 -8.4 -7.0 -6.7 -6.7 -7.3 -6.6 -6.3 -4.2 -2.7 -3.4 -6.1 650mb Dewpt(C): -12.4 -51.8 -43.6 -40.8 -31.1 -31.5 -35.4 -39.1 -25.6 -11.7 -7.0 -5.0 -3.0 -3.7 -8.1 650mb RH (%): 85 2 5 6 15 13 8 6 22 67 95 94 98 98 86 650mb Dir: 256 269 264 279 283 275 245 236 253 250 236 241 249 235 227 650mb Speed(kt): 44 30 36 39 36 27 23 23 24 24 36 36 58 59 68 600mb GPH (m): 4213 4229 4241 4259 4272 4285 4273 4253 4226 4237 4225 4221 4211 4204 4168 600mb Temp (C): -11.3 -11.0 -12.5 -12.2 -10.9 -11.0 -10.6 -12.4 -11.4 -8.1 -7.9 -6.2 -6.1 -7.2 -9.0 600mb Dewpt(C): -16.9 -57.6 -54.0 -34.9 -29.1 -29.4 -32.3 -32.6 -13.9 -17.4 -9.3 -9.4 -6.5 -7.6 -28.2 600mb RH (%): 63 1 2 14 21 21 16 17 82 47 90 78 97 97 20 600mb Dir: 244 266 264 276 282 276 242 234 254 262 252 247 251 232 227 600mb Speed(kt): 57 37 44 47 44 35 29 28 29 35 40 36 58 55 72 550mb GPH (m): 4877 4892 4900 4921 4934 4947 4937 4911 4891 4909 4899 4897 4888 4878 4836 550mb Temp (C): -14.3 -14.7 -16.6 -14.6 -15.0 -15.6 -14.8 -16.0 -13.5 -11.2 -10.5 -10.2 -10.5 -11.2 -13.1 550mb Dewpt(C): -23.1 -50.8 -43.7 -37.9 -36.3 -34.9 -36.7 -20.2 -16.4 -20.6 -12.4 -19.4 -11.3 -12.1 -36.7 550mb RH (%): 48 3 8 12 15 18 14 71 80 46 86 47 94 93 12 550mb Dir: 244 264 264 274 273 271 247 238 260 269 251 259 250 230 231 550mb Speed(kt): 69 45 51 57 50 40 33 41 43 41 48 47 57 53 75 500mb GPH (m): 5594 5605 5608 5636 5647 5659 5649 5625 5610 5633 5626 5624 5613 5602 5555 500mb Temp (C): -18.1 -20.0 -21.6 -19.3 -20.2 -20.0 -20.6 -18.9 -16.9 -16.7 -14.7 -15.0 -15.9 -16.5 -17.0 500mb Dewpt(C): -25.2 -43.8 -41.1 -40.1 -41.0 -41.1 -32.2 -20.5 -25.6 -24.8 -16.8 -22.5 -17.5 -18.1 -55.3 500mb RH (%): 54 11 16 15 15 14 35 87 47 50 84 53 88 88 2 500mb Dir: 241 260 264 275 269 267 255 252 263 266 248 259 248 239 235 500mb Speed(kt): 80 56 60 63 55 45 37 44 57 44 56 57 55 56 86 450mb GPH (m): 6374 6378 6376 6409 6418 6434 6422 6403 6393 6416 6416 6411 6399 6387 6340 450mb Temp (C): -22.9 -25.1 -26.4 -25.5 -25.7 -24.3 -23.5 -23.4 -22.4 -21.8 -19.9 -20.9 -21.7 -20.5 -21.2 450mb Dewpt(C): -33.4 -51.0 -55.4 -42.7 -46.3 -43.2 -26.0 -25.3 -33.7 -25.8 -22.4 -25.9 -23.9 -22.4 -50.2 450mb RH (%): 39 8 5 20 14 17 80 84 36 70 81 65 82 85 6 450mb Dir: 237 257 267 274 266 265 253 251 257 263 249 263 254 233 238 450mb Speed(kt): 83 63 71 70 59 54 48 52 62 53 59 73 52 59 93 400mb GPH (m): 7224 7224 7216 7251 7262 7281 7275 7255 7247 7273 7279 7271 7260 7249 7198 400mb Temp (C): -29.9 -30.5 -32.4 -32.3 -31.5 -30.3 -28.4 -28.7 -28.2 -27.3 -25.4 -26.7 -25.0 -25.7 -26.5 400mb Dewpt(C): -39.9 -57.3 -62.0 -46.8 -48.0 -40.1 -31.3 -31.5 -46.8 -31.0 -28.1 -29.9 -27.4 -27.4 -32.7 400mb RH (%): 38 6 4 24 19 39 77 77 16 72 78 75 80 86 57 400mb Dir: 234 253 269 274 265 264 257 258 255 265 253 261 248 238 238 400mb Speed(kt): 89 74 78 77 66 64 61 62 61 67 70 81 80 86 107 350mb GPH (m): 8160 8157 8142 8177 8191 8218 8217 8195 8188 8223 8235 8222 8217 8204 8153 350mb Temp (C): -36.4 -37.8 -39.9 -39.5 -38.4 -36.5 -35.7 -36.5 -35.9 -31.8 -31.0 -32.1 -31.1 -31.7 -31.3 350mb Dewpt(C): -48.8 -59.1 -60.9 -52.6 -50.8 -41.5 -39.1 -46.4 -44.7 -35.0 -34.1 -35.7 -34.1 -34.8 -34.1 350mb RH (%): 28 10 10 25 28 61 72 36 42 74 75 71 76 75 77 350mb Dir: 237 251 265 272 266 269 253 263 270 260 252 250 249 247 235 350mb Speed(kt): 97 84 83 85 78 75 69 64 65 101 94 86 104 104 126 300mb GPH (m): 9212 9199 9176 9212 9235 9267 9267 9246 9246 9295 9311 9294 9292 9282 9228 300mb Temp (C): -43.7 -46.4 -47.1 -47.5 -45.7 -45.3 -45.0 -44.1 -41.3 -40.5 -38.8 -39.0 -39.1 -38.3 -39.1 300mb Dewpt(C): -51.8 -62.3 -68.0 -55.6 -55.5 -50.4 -48.5 -51.2 -46.2 -43.8 -42.3 -42.6 -42.5 -43.0 -42.6 300mb RH (%): 42 17 9 41 34 58 69 47 61 71 71 70 71 63 70 300mb Dir: 235 248 262 272 273 268 258 270 273 260 260 255 251 246 234 300mb Speed(kt): 114 91 91 95 93 83 66 90 130 110 102 118 118 122 128 250mb GPH (m): 10415 10389 10367 10397 10423 10456 10460 10448 10461 10507 10532 10517 10513 10507 10451 250mb Temp (C): -49.4 -52.7 -52.1 -54.3 -55.1 -55.1 -53.6 -51.8 -49.9 -51.6 -50.2 -49.4 -49.5 -49.1 -48.7 250mb Dewpt(C): -59.5 -68.5 -73.6 -65.2 -59.7 -59.3 -57.7 -61.8 -53.8 -55.2 -53.9 -53.1 -53.3 -55.6 -57.4 250mb RH (%): 32 15 7 27 59 61 63 32 65 67 67 67 66 48 38 250mb Dir: 235 243 263 274 276 271 264 268 275 264 258 261 252 244 233 250mb Speed(kt): 117 95 85 100 98 91 85 108 139 118 110 137 121 115 131 200mb GPH (m): 11878 11830 11803 11817 11829 11858 11869 11870 11882 11919 11945 11940 11933 11931 11877 200mb Temp (C): -48.1 -51.1 -51.5 -55.2 -58.7 -59.6 -59.6 -57.7 -60.1 -58.5 -61.1 -59.6 -60.3 -59.4 -60.1 200mb Dewpt(C): -79.9 -76.9 -79.4 -77.3 -72.4 -71.0 -72.8 -74.5 -66.1 -67.0 -64.3 -66.6 -62.8 -67.8 -64.8 200mb RH (%): 2 4 3 6 18 24 19 12 48 36 67 42 73 35 57 200mb Dir: 245 242 249 263 272 273 267 270 279 275 272 265 260 235 234 200mb Speed(kt): 92 105 98 90 92 90 95 107 143 118 126 141 131 118 134 150mb GPH (m): 13765 13722 13686 13668 13651 13663 13672 13683 13683 13732 13760 13762 13733 13720 13695 150mb Temp (C): -50.0 -47.9 -48.2 -51.8 -54.7 -58.0 -57.4 -55.7 -56.8 -58.8 -56.8 -57.1 -59.0 -57.8 -54.6 150mb Dewpt(C): -85.6 -72.8 -73.1 -86.9 -88.1 -84.2 -83.8 -85.2 -86.0 -85.1 -86.0 -86.3 -85.1 -87.0 -88.8 150mb RH (%): 1 5 5 1 1 3 3 2 2 3 2 2 3 2 1 150mb Dir: 247 250 260 259 259 262 265 266 269 261 266 259 257 249 240 150mb Speed(kt): 82 75 87 89 88 84 89 91 92 97 110 103 116 109 109 100mb GPH (m): 16344 16318 16289 16260 16226 16215 16217 16231 16227 16239 16268 16273 16254 16241 16232 100mb Temp (C): -61.5 -60.6 -59.1 -58.9 -58.4 -58.1 -59.8 -60.5 -61.4 -62.5 -66.9 -64.5 -64.0 -62.1 -62.4 100mb Dewpt(C): -89.5 -93.3 -92.1 -91.9 -91.5 -91.3 -88.3 -88.8 -89.5 -90.3 -89.3 -87.6 -89.1 -90.0 -90.3 100mb RH (%): 2 1 1 1 1 1 2 2 2 2 4 4 3 2 2 100mb Dir: 244 247 247 253 258 260 273 271 268 272 264 262 248 249 244 100mb Speed(kt): 60 67 65 70 68 62 72 70 78 89 100 83 85 86 87