Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z MAY 4, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 983.9 983.9 987.2 989.4 987.6 988.3 989.7 991.9 990.0 991.9 993.6 995.4 994.1 994.3 994.8 Mean SLP (mb): 1006.8 1007.3 1011.5 1013.6 1011.5 1012.4 1014.1 1016.2 1013.8 1015.9 1017.9 1019.7 1018.1 1018.5 1019.3 2m agl Tmp (F): 87.5 72.0 53.2 55.4 65.4 60.1 55.1 56.4 69.7 61.7 55.8 58.3 66.1 60.3 54.7 2m agl Dewpt(F): 50.9 53.2 50.7 53.3 56.6 59.0 53.3 52.7 58.6 56.6 54.7 55.5 57.5 55.1 52.0 2m agl RH (%): 27 50 91 92 73 96 93 87 67 83 96 90 73 83 90 10m agl Dir: 335 16 171 201 252 235 234 216 309 294 96 248 294 304 247 10m agl Spd(kt): 4 3 5 3 3 2 3 2 4 2 1 2 3 2 2 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04 Sfc CAPE (J/kg): 601.3 312.3 2.0 12.6 8.7 23.6 6.8 6.5 30.6 0.1 0.0 4.2 5.5 2.9 0.7 Sfc CINH (J/kg): -5.7 -88.1 -7.6 -1.4 0.0 -0.1 -0.1 0.0 -30.9 -1.0 -0.2 0.0 0.0 -4.5 -0.1 0-3km Hel(J/kg): 9.2 -11.6 75.4 55.8 86.7 107.8 73.7 47.4 43.5 32.2 36.9 35.1 33.3 58.4 64.8 Precip H20 (in): 0.61 0.56 0.56 0.58 0.66 0.81 0.81 0.89 0.91 0.89 0.92 0.87 0.84 0.72 0.62 Lifted Index(C): -1.1 -0.8 3.5 6.5 3.1 2.5 5.5 3.4 1.9 1.3 2.8 4.1 2.7 4.0 8.5 700mb VV(-ub/s): -3.0 -0.4 -1.6 0.5 -1.6 -0.1 -0.3 -1.2 -1.0 -1.1 -0.1 -0.2 -0.4 -1.1 0.1 Thk1000-500mb(m)5657.6 5653.1 5604.7 5595.7 5614.6 5611.0 5593.1 5590.8 5623.1 5623.8 5605.8 5598.1 5608.5 5605.6 5591.9 Thk1000-850mb(m)1418.4 1408.8 1368.3 1360.0 1371.9 1366.0 1354.1 1356.3 1380.8 1377.9 1366.2 1363.0 1371.7 1364.9 1351.2 Thk850-700mb(m):1614.2 1612.3 1606.7 1604.1 1604.3 1606.5 1601.6 1598.5 1599.5 1599.0 1596.2 1595.5 1598.3 1598.4 1594.7 SWEAT Index: 18.8 33.2 41.7 45.3 54.0 56.3 57.1 103.3 96.0 69.9 63.8 70.6 77.6 41.7 52.1 Total Totals Idx 47.4 44.3 35.7 35.2 36.2 37.9 40.0 44.7 44.5 43.2 43.9 43.8 44.0 36.6 31.2 Frz Hgt(ft amsl) 11350 11551 11371 11450 11851 11737 11287 11067 11673 12174 11499 11453 11796 11937 12083 0WetBlbHgt(amsl) 8999 8488 8171 7900 7953 9037 9151 9510 9457 9085 9421 9062 8981 8430 6822 Equil Prs (mb): 223 298 987 989 988 894 990 992 319 992 994 995 994 994 995 Equil Hgt(amsl): 36884 30809 26 26 26 3425 26 26 29486 26 26 26 26 26 26 Hail Size(in): 0.00 0.00 0.06 0.06 0.35 0.00 0.07 0.00 0.19 0.20 0.09 0.00 0.37 0.00 0.00 Conv Wind Gust: 59.1 55.8 48.0 49.0 47.3 29.6 42.9 42.1 43.4 36.7 37.0 22.5 42.1 28.7 26.0 Showalter Index: 1.8 3.4 7.7 8.3 8.1 7.4 6.2 3.1 2.9 4.0 3.7 3.7 3.7 8.2 11.4 Cap Strength(C): 0.0 0.0 -999.9 9.3 -999.9 4.0 6.7 7.2 2.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 62 44 20 41 20 46 45 65 46 38 0 313 313 303 292 Storm Spd (kts): 3 6 7 7 8 10 8 8 7 6 6 6 8 9 11 2m HeatIndex(F): 85 72 53 55 65 60 55 56 70 62 56 58 66 60 55 2m WindChill(F): 87 72 53 55 65 60 55 56 70 62 56 58 66 60 55 1000mb GPH (m): 60 63 96 114 98 104 117 135 117 134 150 165 154 155 160 950mb GPH (m): 514 511 523 542 534 539 546 564 557 571 582 596 590 589 589 950mb Temp (C): 26.8 24.9 10.2 9.4 14.0 13.2 10.0 9.6 16.1 15.3 13.1 11.9 13.9 13.0 10.5 950mb Dewpt(C): 6.5 9.1 9.2 9.2 12.1 13.1 9.8 9.3 13.0 13.0 12.0 11.8 12.5 12.0 10.1 950mb RH (%): 26 36 93 98 88 99 99 98 81 86 93 100 91 94 98 950mb Dir: 348 18 184 195 252 243 234 173 320 351 211 223 298 221 204 950mb Speed(kt): 4 11 10 6 4 7 5 3 4 3 4 6 3 3 8 900mb GPH (m): 987 982 978 992 988 992 996 1012 1015 1029 1035 1048 1044 1042 1038 900mb Temp (C): 22.4 21.7 15.8 10.6 12.4 10.9 9.2 10.4 15.0 14.6 11.5 9.6 11.5 10.1 8.3 900mb Dewpt(C): 4.8 2.0 6.9 7.9 9.8 10.4 8.4 7.9 7.1 10.1 11.4 9.3 9.1 7.9 7.3 900mb RH (%): 31 26 55 83 84 96 95 84 59 73 99 98 85 86 93 900mb Dir: 5 18 306 302 306 334 352 107 95 110 220 196 296 263 212 900mb Speed(kt): 4 12 6 4 12 6 2 8 6 4 2 3 6 7 7 850mb GPH (m): 1479 1472 1464 1474 1469 1470 1471 1491 1498 1512 1516 1528 1525 1520 1512 850mb Temp (C): 18.0 17.5 15.7 15.1 14.2 13.1 12.3 12.8 13.9 13.5 12.7 12.6 13.1 12.3 10.4 850mb Dewpt(C): -0.8 -1.8 -9.2 -7.7 -5.4 -2.0 0.8 4.6 5.1 3.4 3.6 3.8 3.1 -2.9 -5.2 850mb RH (%): 27 26 17 20 25 34 45 57 55 50 53 55 50 34 32 850mb Dir: 46 352 346 352 340 359 8 90 103 88 266 232 255 272 246 850mb Speed(kt): 5 10 14 14 18 17 12 13 6 5 2 4 9 9 13 800mb GPH (m): 1992 1985 1974 1983 1977 1978 1978 1998 2005 2019 2021 2033 2032 2026 2014 800mb Temp (C): 13.2 13.0 12.1 11.2 11.0 11.9 10.8 9.8 9.8 9.3 8.9 9.4 9.7 9.6 8.6 800mb Dewpt(C): -4.6 -7.6 -11.4 -6.5 -3.4 -5.8 0.9 2.4 2.4 2.3 1.1 1.0 -0.1 -2.9 -13.1 800mb RH (%): 28 23 18 28 36 28 50 59 59 61 58 55 50 41 20 800mb Dir: 80 346 338 360 341 20 36 89 47 11 324 271 257 257 247 800mb Speed(kt): 4 7 13 13 14 17 9 8 3 1 3 4 9 12 14 750mb GPH (m): 2529 2521 2508 2516 2511 2514 2512 2530 2537 2550 2552 2564 2563 2557 2544 750mb Temp (C): 8.5 7.8 7.4 7.0 7.3 7.8 6.4 5.4 5.2 5.7 5.6 5.2 5.6 6.1 6.4 750mb Dewpt(C): -7.5 -9.9 -11.0 -13.5 -13.9 -6.3 -1.5 1.6 2.3 -2.6 -1.4 -1.7 -2.7 -7.2 -20.8 750mb RH (%): 31 27 25 22 20 36 57 76 82 55 61 61 55 38 12 750mb Dir: 40 349 335 2 346 32 26 41 20 3 347 294 266 256 256 750mb Speed(kt): 1 6 10 8 10 13 7 4 6 5 8 6 10 15 14 700mb GPH (m): 3093 3084 3071 3078 3074 3077 3073 3090 3098 3111 3112 3123 3124 3119 3106 700mb Temp (C): 3.2 3.2 3.1 2.8 3.4 3.0 2.3 1.4 2.4 3.0 1.6 1.6 2.4 3.4 3.8 700mb Dewpt(C): -9.0 -11.9 -15.6 -22.0 -20.8 -7.9 -9.6 -5.5 -8.4 -10.4 -5.2 -10.3 -11.9 -15.9 -23.6 700mb RH (%): 40 32 24 14 15 45 41 60 44 37 60 41 34 23 12 700mb Dir: 302 348 333 1 7 37 12 23 18 10 334 302 272 264 256 700mb Speed(kt): 1 4 6 4 7 12 10 10 10 10 10 7 10 15 16 650mb GPH (m): 3687 3679 3665 3672 3669 3672 3667 3683 3693 3707 3706 3717 3719 3715 3703 650mb Temp (C): -2.0 -1.2 -1.6 -1.3 -0.4 -0.6 -1.4 -1.6 -0.7 0.0 -0.8 -1.0 -0.6 -0.5 -0.1 650mb Dewpt(C): -12.1 -17.8 -19.9 -25.1 -27.5 -18.7 -14.9 -14.5 -16.0 -17.2 -13.5 -18.5 -16.7 -19.4 -27.1 650mb RH (%): 46 27 23 15 11 24 35 37 30 26 38 25 29 23 11 650mb Dir: 359 30 344 8 13 26 14 15 12 3 331 306 290 270 264 650mb Speed(kt): 2 2 3 4 8 13 15 15 14 13 10 10 12 15 19 600mb GPH (m): 4318 4311 4296 4304 4303 4306 4300 4316 4327 4343 4342 4351 4352 4349 4338 600mb Temp (C): -6.1 -5.7 -5.8 -5.4 -4.9 -4.8 -4.7 -4.9 -4.0 -3.2 -3.3 -3.8 -4.4 -3.9 -3.5 600mb Dewpt(C): -21.9 -24.5 -19.0 -21.8 -22.3 -17.5 -18.8 -20.9 -23.0 -23.3 -23.4 -24.8 -23.8 -27.7 -32.8 600mb RH (%): 28 21 35 27 24 37 33 28 22 20 20 18 21 14 9 600mb Dir: 35 39 4 14 23 20 16 16 3 3 337 296 293 279 274 600mb Speed(kt): 5 4 6 11 8 17 18 17 16 16 11 12 16 17 22 550mb GPH (m): 4993 4988 4973 4981 4982 4985 4979 4995 5007 5025 5024 5032 5032 5030 5020 550mb Temp (C): -10.9 -9.3 -10.0 -9.7 -8.7 -8.8 -8.6 -8.6 -7.7 -7.7 -7.7 -8.2 -8.6 -8.1 -7.8 550mb Dewpt(C): -34.8 -30.8 -26.8 -28.0 -27.6 -22.7 -25.8 -27.7 -26.2 -26.5 -25.9 -25.4 -27.3 -36.4 -29.9 550mb RH (%): 13 16 24 21 21 32 24 20 22 21 22 24 21 9 16 550mb Dir: 49 32 22 28 16 17 18 15 8 5 337 289 290 290 280 550mb Speed(kt): 6 10 11 14 13 20 19 19 18 18 14 13 20 18 24 500mb GPH (m): 5718 5717 5700 5710 5712 5715 5710 5726 5741 5758 5756 5763 5762 5761 5752 500mb Temp (C): -15.1 -14.4 -14.6 -13.9 -13.7 -13.4 -13.4 -13.6 -12.7 -13.1 -13.8 -13.7 -13.9 -13.6 -13.0 500mb Dewpt(C): -53.9 -32.2 -32.0 -36.1 -29.4 -29.9 -32.9 -33.0 -27.9 -28.9 -28.8 -30.7 -33.1 -23.5 -27.6 500mb RH (%): 2 21 22 14 26 24 18 19 28 26 28 23 19 44 29 500mb Dir: 47 32 21 39 12 21 22 15 14 1 333 292 290 293 286 500mb Speed(kt): 9 12 14 16 18 21 23 22 22 20 18 16 24 23 26 450mb GPH (m): 6505 6505 6489 6500 6503 6508 6503 6518 6533 6550 6546 6554 6553 6553 6545 450mb Temp (C): -20.7 -20.4 -20.4 -20.1 -19.7 -19.0 -18.9 -19.2 -19.2 -19.7 -19.9 -19.7 -19.7 -19.9 -18.6 450mb Dewpt(C): -47.0 -39.0 -44.3 -32.5 -35.1 -35.3 -41.3 -33.9 -34.2 -34.4 -35.8 -35.7 -45.0 -26.3 -22.3 450mb RH (%): 8 18 11 33 25 23 13 27 26 27 24 24 9 58 73 450mb Dir: 70 38 35 38 19 24 25 6 11 354 329 293 292 304 292 450mb Speed(kt): 15 13 17 18 21 26 27 26 25 21 21 21 27 25 27 400mb GPH (m): 7361 7363 7348 7360 7365 7373 7367 7380 7395 7411 7408 7417 7416 7418 7415 400mb Temp (C): -28.2 -28.1 -27.6 -27.0 -26.3 -25.2 -26.0 -26.6 -26.8 -26.5 -26.2 -26.2 -26.1 -24.5 -23.8 400mb Dewpt(C): -45.6 -46.3 -53.8 -39.8 -39.7 -46.5 -43.9 -35.7 -37.1 -39.0 -42.3 -42.8 -38.7 -47.6 -28.1 400mb RH (%): 18 17 7 30 28 13 18 43 38 31 22 21 31 11 68 400mb Dir: 69 39 37 35 20 27 26 1 9 353 330 296 299 308 305 400mb Speed(kt): 20 18 21 24 26 33 33 28 28 24 22 26 32 30 28 350mb GPH (m): 8301 8305 8290 8308 8315 8325 8318 8328 8343 8362 8359 8366 8367 8374 8376 350mb Temp (C): -36.7 -35.9 -35.5 -34.0 -33.6 -32.9 -33.8 -33.9 -34.1 -33.4 -33.2 -33.7 -33.0 -31.9 -30.5 350mb Dewpt(C): -49.4 -50.4 -48.1 -48.6 -43.1 -49.0 -46.4 -44.4 -43.8 -46.5 -49.4 -45.7 -48.7 -37.5 -37.2 350mb RH (%): 27 23 28 23 39 20 28 36 38 27 20 30 21 59 53 350mb Dir: 58 39 41 34 25 26 21 356 8 356 332 295 309 312 318 350mb Speed(kt): 21 22 27 33 36 38 32 30 28 24 22 28 36 36 32 300mb GPH (m): 9348 9355 9346 9367 9378 9391 9380 9388 9404 9425 9423 9428 9432 9444 9451 300mb Temp (C): -45.6 -44.8 -43.2 -42.7 -42.2 -41.3 -41.7 -42.6 -41.8 -41.9 -41.3 -42.1 -41.8 -40.5 -39.6 300mb Dewpt(C): -61.4 -57.5 -56.6 -53.2 -51.8 -54.2 -52.6 -51.6 -52.6 -53.2 -55.8 -51.9 -51.5 -44.8 -44.0 300mb RH (%): 17 25 23 33 36 25 32 38 32 30 21 36 36 64 64 300mb Dir: 54 47 50 34 29 27 17 2 9 3 332 289 333 325 321 300mb Speed(kt): 22 27 37 36 38 36 35 32 30 25 23 28 39 38 35 250mb GPH (m): 10535 10550 10547 10570 10584 10601 10589 10596 10616 10636 10636 10636 10639 10660 10669 250mb Temp (C): -55.9 -53.9 -53.2 -52.8 -51.6 -51.3 -50.9 -50.6 -50.4 -50.2 -50.5 -51.2 -51.3 -50.3 -50.1 250mb Dewpt(C): -64.7 -67.6 -64.4 -58.9 -60.7 -58.6 -60.5 -60.8 -61.2 -62.3 -59.2 -60.9 -56.2 -56.1 -55.2 250mb RH (%): 35 19 27 50 35 44 34 31 29 25 37 33 58 52 57 250mb Dir: 42 53 55 39 33 28 12 5 4 358 330 281 328 339 326 250mb Speed(kt): 31 45 59 49 49 43 40 42 37 33 27 36 55 47 35 200mb GPH (m): 11929 11951 11949 11975 11999 12018 12009 12019 12039 12058 12055 12052 12048 12074 12086 200mb Temp (C): -60.2 -61.9 -62.9 -62.1 -60.6 -60.4 -60.1 -59.8 -59.6 -60.0 -60.9 -60.4 -62.5 -62.4 -61.6 200mb Dewpt(C): -70.8 -70.9 -68.4 -66.3 -66.5 -67.2 -69.9 -69.4 -68.2 -65.7 -67.1 -69.4 -67.3 -66.7 -67.6 200mb RH (%): 26 32 50 59 48 43 29 30 35 50 47 33 55 58 48 200mb Dir: 37 43 38 35 31 29 18 8 4 354 325 276 333 335 330 200mb Speed(kt): 34 46 62 62 62 56 53 53 49 40 32 44 57 57 43 150mb GPH (m): 13723 13735 13729 13745 13768 13781 13770 13786 13803 13818 13809 13814 13807 13816 13821 150mb Temp (C): -60.6 -60.7 -59.7 -63.1 -64.2 -65.2 -66.2 -65.8 -66.1 -66.2 -66.8 -64.7 -63.1 -65.9 -67.9 150mb Dewpt(C): -86.4 -84.7 -82.5 -79.7 -76.9 -77.8 -79.7 -77.9 -77.2 -78.0 -78.3 -77.2 -81.0 -79.2 -74.9 150mb RH (%): 3 4 5 11 19 19 16 20 23 20 21 19 9 17 39 150mb Dir: 27 22 29 38 29 20 27 15 0 356 328 289 306 326 320 150mb Speed(kt): 25 30 28 33 33 28 36 34 36 31 25 33 37 33 27 100mb GPH (m): 16255 16265 16246 16254 16258 16259 16245 16264 16271 16284 16280 16298 16310 16314 16304 100mb Temp (C): -58.9 -59.1 -61.2 -59.9 -61.2 -61.7 -63.3 -62.5 -63.7 -63.6 -63.5 -63.5 -61.9 -61.9 -61.6 100mb Dewpt(C): -91.9 -87.7 -89.4 -88.4 -85.1 -85.3 -90.6 -89.5 -86.9 -86.8 -86.7 -86.7 -89.9 -89.9 -89.7 100mb RH (%): 1 2 2 2 4 4 2 2 4 4 4 4 2 2 2 100mb Dir: 352 348 353 346 352 3 32 4 7 355 349 339 318 322 316 100mb Speed(kt): 12 15 16 15 23 25 13 20 25 22 23 11 18 17 17