Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAR 12, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 999.3 1001.7 999.4 996.2 993.7 992.2 990.8 989.5 992.7 998.9 1002.9 1005.7 1004.9 1002.5 1001.3 Mean SLP (mb): 1024.1 1026.8 1024.6 1021.2 1018.3 1016.8 1015.3 1014.3 1017.9 1024.3 1028.2 1031.2 1030.5 1027.7 1026.7 2m agl Tmp (F): 48.7 45.0 40.3 42.9 48.5 48.8 49.5 47.3 36.1 37.9 43.2 36.7 34.3 43.8 37.6 2m agl Dewpt(F): 47.6 44.3 38.8 42.3 47.9 48.0 49.0 46.8 33.8 34.7 28.5 28.7 30.9 28.0 36.6 2m agl RH (%): 96 97 94 98 98 97 98 98 91 88 56 73 87 53 96 10m agl Dir: 254 284 23 195 210 215 222 271 310 263 273 161 59 93 151 10m agl Spd(kt): 6 3 4 2 13 14 10 4 5 7 7 2 4 8 5 6hr Precip (in): 0.00 0.49 0.50 0.38 0.29 0.45 0.73 0.81 0.61 0.01 0.00 0.00 0.00 0.00 0.07 AccumPrecip(in): 0.00 0.49 0.99 1.37 1.66 2.10 2.83 3.64 4.26 4.27 4.27 4.27 4.27 4.27 4.34 Sfc CAPE (J/kg): 21.8 35.8 3.7 0.0 0.2 0.0 4.9 1.1 1.0 81.6 33.6 0.0 0.0 0.0 4.0 Sfc CINH (J/kg): -8.9 0.0 0.0 0.0 0.0 0.0 -8.7 0.0 -0.5 0.0 0.0 -0.5 0.0 0.0 0.0 0-3km Hel(J/kg): 178.6 430.1 632.6 466.8 462.6 442.8 326.1 253.3 165.1 110.4 105.2 156.3 132.2 553.1 545.9 Precip H20 (in): 0.84 0.83 0.86 0.88 0.90 0.97 0.97 0.91 0.41 0.21 0.28 0.33 0.44 0.61 0.99 Lifted Index(C): 7.3 10.8 9.0 6.0 5.9 3.9 3.8 6.2 11.5 17.0 21.4 23.4 22.6 23.2 11.8 700mb VV(-ub/s): 16.2 16.8 16.1 5.3 13.4 14.0 18.4 19.2 6.9 -0.5 -7.2 -4.6 -0.2 1.2 2.5 Thk1000-500mb(m)5439.1 5441.7 5457.1 5475.7 5482.8 5486.2 5486.3 5475.4 5389.3 5334.3 5353.1 5388.4 5420.3 5477.3 5503.5 Thk1000-850mb(m)1329.6 1314.1 1312.9 1333.3 1334.3 1339.1 1335.4 1329.9 1296.4 1286.2 1296.4 1290.4 1302.2 1318.3 1306.8 Thk850-700mb(m):1536.7 1545.7 1552.6 1553.9 1558.2 1558.1 1563.2 1556.2 1530.9 1500.6 1497.0 1517.2 1528.3 1544.5 1553.4 SWEAT Index: 150.9 141.7 266.0 311.6 297.4 240.4 165.7 205.3 115.4 130.4 128.6 85.4 83.7 239.3 159.8 Total Totals Idx 40.2 35.7 38.6 43.2 42.2 46.4 43.3 42.6 35.6 18.1 19.3 3.0 -6.6 2.6 30.2 Frz Hgt(ft amsl) 5597 5030 7070 7109 7936 7466 8179 7582 1999 1506 2602 1743 3499 5665 7100 0WetBlbHgt(amsl) 5509 4798 6970 7023 7873 7399 8089 7484 1428 1328 1615 564 441 1440 7030 Equil Prs (mb): 747 872 999 996 994 992 848 990 993 789 784 1006 1005 1002 1001 Equil Hgt(amsl): 8393 4364 26 26 26 26 4848 26 26 6734 7056 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: 31.0 21.0 15.7 32.9 19.8 33.9 17.9 12.7 55.0 23.9 30.8 32.5 66.6 73.9 13.1 Showalter Index: 8.7 11.3 9.3 5.9 6.9 3.5 6.4 7.0 12.9 22.0 22.4 26.1 23.2 24.0 12.6 Cap Strength(C): 0.4 0.0 -999.9 -999.9 -999.9 -999.9 3.5 -999.9 -999.9 8.3 -999.9 -999.9 -999.9 -999.9 8.5 Storm Dir (deg): 295 301 299 293 292 290 290 290 307 324 337 346 336 311 313 Storm Spd (kts): 35 33 36 36 39 38 35 30 30 32 32 24 23 24 30 2m HeatIndex(F): 49 45 40 43 49 49 50 47 36 38 43 37 34 44 38 2m WindChill(F): 49 45 40 43 49 49 50 47 31 32 43 37 30 44 33 1000mb GPH (m): 198 218 198 172 151 139 126 117 144 195 228 250 242 224 214 950mb GPH (m): 622 637 613 594 575 563 552 540 556 607 644 662 656 641 626 950mb Temp (C): 7.0 3.7 2.2 7.6 7.6 7.7 8.2 6.9 0.3 -1.1 1.5 -0.6 0.7 4.7 0.0 950mb Dewpt(C): 6.7 3.4 1.9 7.4 7.4 7.5 8.0 6.6 -1.8 -1.4 -4.3 -4.2 -8.1 -14.1 0.0 950mb RH (%): 98 98 98 98 99 99 98 98 86 98 65 77 51 24 100 950mb Dir: 263 278 339 220 215 218 227 253 329 275 279 341 85 106 172 950mb Speed(kt): 17 10 9 26 33 33 26 10 17 12 11 4 8 18 13 900mb GPH (m): 1065 1074 1050 1038 1020 1008 997 983 987 1035 1075 1091 1089 1080 1060 900mb Temp (C): 4.6 0.9 2.1 6.0 5.8 6.9 5.8 4.8 -2.2 -4.7 -2.9 -3.9 0.0 4.1 0.2 900mb Dewpt(C): 4.3 0.6 1.8 5.7 5.5 6.6 5.5 4.5 -4.9 -6.3 -6.8 -7.8 -28.7 -31.2 0.1 900mb RH (%): 98 98 98 98 98 98 98 98 82 89 74 74 10 6 99 900mb Dir: 261 260 252 233 232 237 240 238 327 302 288 9 79 160 206 900mb Speed(kt): 20 21 16 45 47 50 39 23 22 17 13 3 6 13 23 850mb GPH (m): 1527 1532 1511 1505 1485 1478 1462 1447 1440 1481 1524 1540 1544 1542 1520 850mb Temp (C): 0.8 0.0 1.5 3.8 2.7 5.3 2.5 2.1 -3.2 -8.5 -7.0 -5.9 -1.0 1.5 3.2 850mb Dewpt(C): 0.6 -0.3 1.2 3.5 2.4 5.0 2.2 1.8 -3.5 -16.0 -7.6 -23.6 -37.8 -23.8 3.0 850mb RH (%): 98 98 98 98 98 98 98 98 98 55 96 24 4 13 98 850mb Dir: 263 254 238 245 242 254 254 248 296 315 289 327 49 199 251 850mb Speed(kt): 28 32 36 50 47 54 37 27 23 19 14 5 3 15 26 800mb GPH (m): 2012 2017 1999 1995 1976 1970 1954 1936 1920 1950 1993 2014 2026 2026 2012 800mb Temp (C): -1.5 -0.9 0.7 0.9 2.4 2.0 3.2 1.7 -3.4 -9.5 -10.1 -6.0 -2.1 -2.4 1.2 800mb Dewpt(C): -1.7 -1.1 0.4 0.6 2.2 1.7 2.9 1.4 -3.8 -29.8 -19.3 -43.9 -28.1 -13.2 1.0 800mb RH (%): 98 98 98 98 98 98 98 98 97 18 47 3 12 43 98 800mb Dir: 265 248 254 249 258 254 253 254 272 313 307 323 341 231 270 800mb Speed(kt): 40 45 56 46 49 52 52 39 32 24 20 17 12 21 36 750mb GPH (m): 2524 2531 2515 2511 2495 2488 2474 2454 2429 2447 2490 2519 2536 2538 2526 750mb Temp (C): -4.5 -2.0 -1.5 -1.8 -0.4 -1.4 0.1 -0.6 -4.2 -9.5 -9.8 -5.8 -5.3 -1.5 -2.9 750mb Dewpt(C): -4.9 -2.2 -1.8 -2.1 -0.6 -1.7 -0.2 -0.9 -10.0 -37.2 -46.4 -39.0 -16.5 -2.3 -3.5 750mb RH (%): 97 98 98 98 99 98 98 98 64 9 4 6 41 95 95 750mb Dir: 261 253 265 264 268 256 255 260 269 300 316 322 322 280 275 750mb Speed(kt): 45 54 64 45 51 51 55 48 41 34 32 30 21 35 42 700mb GPH (m): 3064 3078 3063 3059 3043 3036 3025 3003 2971 2982 3021 3057 3073 3087 3074 700mb Temp (C): -6.9 -4.7 -3.9 -3.4 -3.7 -3.8 -2.5 -3.0 -5.4 -8.0 -10.2 -7.1 -8.6 -3.0 -1.7 700mb Dewpt(C): -7.7 -5.0 -4.1 -4.0 -3.9 -4.1 -2.7 -3.2 -29.6 -57.2 -55.9 -29.4 -11.0 -3.3 -2.0 700mb RH (%): 94 98 98 95 98 98 98 98 13 1 1 15 83 98 98 700mb Dir: 256 263 269 270 272 264 262 262 274 291 314 323 291 297 292 700mb Speed(kt): 52 59 63 47 50 47 53 51 47 50 44 44 32 39 48 650mb GPH (m): 3640 3658 3645 3641 3626 3619 3610 3587 3549 3554 3590 3633 3650 3671 3664 650mb Temp (C): -8.5 -7.8 -6.6 -6.8 -6.4 -6.3 -5.7 -6.1 -8.6 -11.1 -11.6 -8.7 -7.4 -5.6 -2.0 650mb Dewpt(C): -9.4 -8.4 -7.0 -10.5 -8.6 -6.9 -6.0 -6.7 -47.1 -51.8 -39.1 -26.3 -7.9 -5.9 -2.3 650mb RH (%): 93 96 97 75 84 96 98 96 3 2 9 23 96 98 98 650mb Dir: 255 272 269 270 274 271 266 261 279 290 314 317 294 290 297 650mb Speed(kt): 64 59 64 53 56 50 55 53 49 58 60 54 53 44 58 600mb GPH (m): 4259 4276 4267 4262 4248 4240 4233 4209 4163 4164 4202 4249 4270 4296 4299 600mb Temp (C): -10.6 -10.6 -9.3 -9.5 -9.2 -9.9 -10.0 -9.5 -12.6 -13.6 -12.1 -11.5 -9.8 -8.4 -3.9 600mb Dewpt(C): -11.8 -11.5 -9.8 -16.5 -20.9 -12.0 -10.5 -10.5 -49.6 -52.8 -45.5 -17.4 -10.3 -9.0 -4.4 600mb RH (%): 91 93 96 57 38 85 96 93 3 2 5 62 96 95 96 600mb Dir: 264 282 273 276 275 276 271 260 275 289 313 311 301 286 299 600mb Speed(kt): 74 62 71 64 66 59 56 55 56 69 78 57 59 49 65 550mb GPH (m): 4923 4942 4936 4930 4916 4907 4898 4876 4823 4821 4863 4915 4939 4969 4982 550mb Temp (C): -15.0 -13.7 -13.1 -13.4 -13.4 -13.7 -14.5 -13.7 -15.8 -17.0 -14.9 -12.2 -12.1 -10.0 -7.7 550mb Dewpt(C): -16.6 -14.8 -13.8 -19.4 -19.5 -15.6 -15.8 -14.9 -24.4 -48.6 -34.5 -16.5 -13.0 -11.4 -8.8 550mb RH (%): 88 91 94 61 61 85 90 91 48 5 18 71 94 90 92 550mb Dir: 271 286 277 278 275 276 275 261 269 292 307 312 306 291 297 550mb Speed(kt): 80 72 75 70 73 69 60 57 68 81 87 69 68 52 69 500mb GPH (m): 5637 5660 5655 5648 5634 5625 5613 5592 5533 5529 5581 5638 5663 5701 5717 500mb Temp (C): -19.4 -18.0 -18.0 -17.9 -18.6 -18.1 -19.3 -19.3 -21.2 -21.3 -16.9 -16.2 -16.1 -12.5 -12.0 500mb Dewpt(C): -21.4 -19.5 -19.4 -28.6 -21.6 -19.8 -21.4 -21.0 -25.4 -47.2 -24.9 -22.3 -17.5 -14.8 -13.5 500mb RH (%): 84 88 88 39 77 86 84 87 69 8 51 60 89 83 88 500mb Dir: 276 285 278 279 277 278 276 268 263 294 303 312 302 295 293 500mb Speed(kt): 87 77 74 75 77 72 66 61 68 92 101 75 77 59 72 450mb GPH (m): 6412 6439 6435 6428 6411 6404 6388 6367 6303 6298 6362 6425 6448 6498 6515 450mb Temp (C): -24.1 -23.6 -23.0 -22.7 -24.2 -23.5 -23.8 -24.6 -25.8 -26.3 -22.3 -20.9 -20.5 -17.4 -17.2 450mb Dewpt(C): -26.5 -25.4 -24.8 -25.5 -26.9 -25.5 -27.4 -26.6 -40.5 -49.0 -34.9 -25.1 -23.4 -19.7 -19.2 450mb RH (%): 81 86 86 78 79 84 73 84 25 11 32 70 78 83 84 450mb Dir: 280 278 277 279 280 278 276 273 267 297 302 313 303 300 291 450mb Speed(kt): 92 80 72 76 82 72 67 70 78 105 101 87 79 68 68 400mb GPH (m): 7262 7289 7287 7283 7259 7254 7240 7212 7145 7140 7216 7283 7311 7370 7388 400mb Temp (C): -29.2 -29.0 -29.4 -28.0 -29.4 -29.1 -28.7 -31.1 -32.3 -31.5 -28.5 -27.6 -25.5 -23.5 -22.8 400mb Dewpt(C): -31.9 -31.8 -31.8 -31.6 -31.7 -31.8 -31.1 -33.7 -49.8 -50.1 -39.4 -30.8 -30.2 -26.7 -25.3 400mb RH (%): 78 78 80 72 81 78 80 78 17 15 35 75 65 75 81 400mb Dir: 282 280 279 276 280 276 273 275 264 300 312 309 306 302 293 400mb Speed(kt): 93 87 75 78 85 70 68 73 83 116 106 95 84 76 70 350mb GPH (m): 8203 8233 8227 8227 8202 8195 8181 8145 8070 8070 8159 8227 8266 8331 8353 350mb Temp (C): -34.9 -34.3 -34.9 -34.7 -34.8 -35.9 -35.4 -37.3 -39.7 -38.2 -35.2 -35.2 -32.7 -30.9 -29.6 350mb Dewpt(C): -38.4 -37.5 -38.3 -37.6 -38.1 -39.3 -38.7 -40.7 -46.4 -53.0 -40.0 -38.7 -38.1 -34.3 -32.5 350mb RH (%): 72 73 72 76 72 72 72 72 50 21 63 71 60 72 76 350mb Dir: 282 279 283 275 278 276 273 267 257 303 306 311 310 303 299 350mb Speed(kt): 104 102 94 78 87 75 72 77 92 123 115 105 91 81 79 300mb GPH (m): 9261 9294 9290 9289 9261 9250 9236 9189 9103 9110 9212 9282 9334 9405 9434 300mb Temp (C): -43.0 -42.0 -40.9 -41.2 -42.1 -43.5 -43.6 -46.5 -48.6 -46.9 -44.5 -43.9 -40.7 -39.8 -38.3 300mb Dewpt(C): -46.8 -45.6 -44.4 -45.6 -45.5 -46.9 -47.2 -49.9 -55.1 -55.8 -48.8 -47.9 -47.0 -43.3 -44.8 300mb RH (%): 68 69 70 64 71 70 69 69 49 37 63 65 52 70 52 300mb Dir: 281 278 281 279 274 273 270 262 257 308 309 312 307 308 304 300mb Speed(kt): 119 112 107 92 90 85 78 83 94 129 132 111 104 90 89 250mb GPH (m): 10462 10502 10504 10503 10469 10452 10436 10375 10283 10295 10406 10478 10547 10623 10657 250mb Temp (C): -53.4 -51.8 -50.9 -50.4 -51.7 -52.7 -53.1 -54.1 -54.1 -54.4 -54.6 -54.3 -51.5 -49.9 -49.4 250mb Dewpt(C): -57.3 -55.7 -54.5 -54.2 -54.8 -56.4 -56.6 -59.5 -66.0 -65.2 -58.9 -59.5 -56.9 -53.9 -54.6 250mb RH (%): 64 64 67 66 70 66 68 53 24 28 60 54 54 64 56 250mb Dir: 285 282 279 275 274 272 265 263 271 309 309 311 310 308 302 250mb Speed(kt): 120 111 111 103 96 91 88 95 88 132 145 114 111 99 100 200mb GPH (m): 11861 11906 11914 11917 11879 11862 11846 11794 11710 11713 11801 11870 11952 12038 12073 200mb Temp (C): -63.2 -63.4 -63.2 -62.3 -61.7 -59.8 -59.6 -56.0 -53.2 -55.1 -61.8 -62.7 -63.1 -62.8 -62.7 200mb Dewpt(C): -68.1 -68.0 -66.9 -66.8 -66.5 -67.5 -69.9 -76.0 -78.4 -75.7 -67.9 -69.5 -66.7 -67.5 -67.1 200mb RH (%): 54 56 63 57 55 39 28 8 4 7 47 43 64 55 58 200mb Dir: 299 280 271 273 270 274 268 264 275 301 322 325 323 316 292 200mb Speed(kt): 117 99 107 101 111 97 92 91 83 99 123 121 120 122 117 150mb GPH (m): 13635 13681 13680 13693 13661 13665 13654 13632 13568 13565 13609 13655 13707 13781 13808 150mb Temp (C): -56.4 -59.4 -59.7 -58.5 -60.3 -57.9 -57.6 -55.3 -52.7 -51.8 -56.0 -58.2 -63.7 -63.6 -66.4 150mb Dewpt(C): -85.7 -83.1 -84.9 -88.1 -85.8 -86.6 -84.1 -84.9 -87.5 -86.9 -85.4 -86.7 -82.3 -81.5 -77.6 150mb RH (%): 2 4 3 2 3 2 3 2 1 1 2 2 8 9 22 150mb Dir: 291 287 284 282 275 272 274 277 277 289 303 311 312 316 298 150mb Speed(kt): 101 106 103 83 88 90 90 74 74 70 81 82 79 75 96 100mb GPH (m): 16201 16218 16218 16220 16200 16207 16207 16198 16166 16159 16172 16201 16228 16275 16316 100mb Temp (C): -58.7 -59.9 -60.9 -61.4 -60.2 -60.1 -59.3 -58.5 -57.3 -57.7 -58.6 -59.4 -59.2 -62.1 -63.0 100mb Dewpt(C): -96.5 -92.1 -89.0 -89.5 -92.3 -92.2 -87.9 -91.8 -90.8 -86.7 -91.7 -91.6 -87.8 -90.0 -90.6 100mb RH (%): 0 1 2 2 1 1 2 1 1 2 1 1 2 2 2 100mb Dir: 281 288 283 284 279 279 277 280 282 286 299 309 313 313 308 100mb Speed(kt): 66 61 68 62 58 52 55 49 45 54 57 62 52 54 47