Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 4, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 986.3 988.9 987.2 988.1 989.1 991.3 989.7 992.2 994.3 995.6 994.4 994.6 995.0 995.8 994.4 Mean SLP (mb): 1010.5 1012.9 1011.0 1012.2 1013.5 1015.6 1013.5 1016.3 1018.6 1019.9 1018.4 1018.9 1019.7 1020.4 1018.4 2m agl Tmp (F): 56.3 60.1 66.4 58.4 53.8 58.0 69.9 61.6 56.3 58.7 65.7 57.6 50.7 54.1 64.4 2m agl Dewpt(F): 50.3 52.6 56.6 54.5 50.0 51.5 58.1 55.3 52.7 55.0 57.2 52.0 48.8 50.1 51.9 2m agl RH (%): 80 76 70 87 87 78 65 79 87 87 73 81 93 86 63 10m agl Dir: 175 201 244 230 220 258 315 285 41 212 296 319 307 248 281 10m agl Spd(kt): 3 5 6 5 3 2 4 2 0 1 4 3 2 2 4 6hr Precip (in): 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.03 0.03 Sfc CAPE (J/kg): 0.0 5.4 0.0 5.6 2.0 4.0 21.6 0.1 0.0 2.2 5.9 0.1 1.9 3.5 0.6 Sfc CINH (J/kg): 0.0 0.0 0.0 -2.9 -0.4 0.0 -130.6 -2.3 0.0 -0.6 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 37.7 85.5 74.0 124.8 80.8 48.1 30.1 28.2 36.7 35.2 49.5 86.5 100.6 89.9 93.7 Precip H20 (in): 0.65 0.69 0.65 0.74 0.80 0.86 0.88 0.87 0.84 0.90 0.86 0.76 0.69 0.67 0.50 Lifted Index(C): 2.9 1.7 2.8 4.6 5.2 3.9 2.1 1.7 3.6 4.3 3.4 7.0 9.8 13.4 8.8 700mb VV(-ub/s): 0.2 -0.6 -0.7 0.7 -0.8 -0.5 -1.8 -0.3 0.4 -1.0 -1.9 -0.8 0.4 -0.5 0.0 Thk1000-500mb(m)5613.7 5592.0 5611.4 5600.1 5585.9 5588.7 5622.3 5619.5 5601.6 5601.5 5608.3 5600.7 5584.4 5589.4 5605.1 Thk1000-850mb(m)1376.5 1361.7 1371.4 1359.7 1350.4 1355.5 1380.1 1374.9 1364.0 1363.6 1370.9 1359.8 1345.3 1343.7 1360.2 Thk850-700mb(m):1606.1 1599.7 1599.6 1603.3 1600.8 1597.1 1597.9 1597.0 1593.4 1594.8 1597.2 1595.9 1589.2 1586.4 1588.5 SWEAT Index: 34.1 105.0 49.5 56.6 50.5 95.4 70.1 73.8 61.7 65.5 99.2 58.6 54.3 44.7 50.8 Total Totals Idx 43.2 46.3 34.4 37.1 39.9 42.6 41.6 43.2 42.8 42.3 43.9 37.8 29.6 28.3 29.1 Frz Hgt(ft amsl) 11151 11347 11776 11613 11262 10844 11622 12280 11805 11701 11598 11735 11653 12487 12677 0WetBlbHgt(amsl) 8281 7916 7581 8408 9231 9604 9516 8991 8340 9710 8822 8534 6342 6740 6315 Equil Prs (mb): 986 989 987 988 989 991 341 992 994 996 994 995 995 898 994 Equil Hgt(amsl): 26 26 26 26 26 26 27987 26 26 26 26 26 26 3476 26 Hail Size(in): 0.02 0.10 0.00 0.00 0.00 0.00 0.18 0.14 -0.03 0.06 0.30 -0.04 0.00 0.00 0.00 Conv Wind Gust: 46.8 46.3 32.8 29.4 42.4 41.0 43.2 36.6 37.4 37.2 42.2 42.5 27.9 22.4 51.4 Showalter Index: 4.1 2.2 9.2 8.0 6.3 4.4 4.9 4.0 4.2 4.6 3.5 7.3 12.4 13.2 12.8 Cap Strength(C):-999.9 -999.9 3.6 5.2 7.6 -999.9 2.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 4.5 -999.9 Storm Dir (deg): 20 27 18 42 52 70 49 41 2 305 302 301 307 305 297 Storm Spd (kts): 7 8 8 10 8 9 7 6 5 5 10 13 14 12 14 2m HeatIndex(F): 56 60 66 58 54 58 70 62 56 59 66 58 51 54 64 2m WindChill(F): 56 60 66 58 54 58 70 62 56 59 66 58 51 54 64 1000mb GPH (m): 88 109 94 103 112 130 116 137 156 167 156 158 162 169 156 950mb GPH (m): 520 540 531 535 540 559 555 573 587 598 592 589 588 595 590 950mb Temp (C): 14.0 10.7 14.9 11.3 9.0 9.7 16.3 14.8 12.9 12.1 13.8 11.2 9.6 9.0 13.0 950mb Dewpt(C): 10.0 10.0 12.4 11.1 8.6 9.4 12.7 12.7 12.0 11.9 12.4 10.7 9.4 8.8 9.3 950mb RH (%): 76 95 84 98 98 98 79 87 94 99 91 97 98 99 77 950mb Dir: 201 201 249 232 219 238 327 334 190 195 300 286 297 213 283 950mb Speed(kt): 6 6 7 8 5 2 4 3 3 3 4 2 4 4 4 900mb GPH (m): 978 990 986 987 988 1007 1013 1030 1040 1049 1045 1040 1037 1040 1042 900mb Temp (C): 16.4 10.6 10.7 10.0 8.4 9.6 14.0 13.5 10.9 11.7 11.6 10.3 7.8 6.4 10.9 900mb Dewpt(C): 7.2 8.3 10.6 9.4 7.7 7.1 7.7 11.1 10.7 8.7 9.1 8.5 7.2 4.9 0.2 900mb RH (%): 54 86 99 96 95 84 65 85 99 81 84 88 96 90 47 900mb Dir: 343 276 263 320 25 109 64 119 164 183 267 252 225 217 281 900mb Speed(kt): 4 5 7 7 2 8 5 3 2 4 6 9 9 6 5 850mb GPH (m): 1464 1471 1465 1463 1463 1486 1496 1512 1520 1531 1527 1518 1508 1512 1516 850mb Temp (C): 15.9 13.7 13.2 12.2 11.9 12.5 13.7 13.2 12.5 12.5 13.0 12.1 9.0 8.5 8.4 850mb Dewpt(C): -0.7 4.7 -5.8 -3.0 0.7 3.5 2.6 3.6 3.7 3.3 4.4 0.4 -2.3 -2.5 -2.4 850mb RH (%): 31 54 26 34 46 54 46 51 54 53 55 44 44 45 46 850mb Dir: 350 341 332 359 20 99 94 93 213 211 250 273 285 277 260 850mb Speed(kt): 9 15 15 18 11 15 8 6 1 5 11 11 11 9 9 800mb GPH (m): 1974 1978 1971 1969 1969 1992 2003 2018 2024 2036 2033 2023 2008 2012 2015 800mb Temp (C): 11.6 10.3 10.2 10.9 10.5 9.6 9.8 9.3 8.5 8.9 9.4 9.3 8.0 7.0 6.8 800mb Dewpt(C): -6.7 -5.6 -9.1 -3.6 0.6 1.5 1.6 2.9 1.3 -0.4 1.1 -2.4 -17.2 -9.6 -14.2 800mb RH (%): 27 32 24 35 50 57 56 64 60 52 56 43 15 29 21 800mb Dir: 337 346 333 16 55 104 38 53 290 248 250 266 265 267 255 800mb Speed(kt): 9 15 13 17 9 9 5 2 3 3 12 15 16 14 17 750mb GPH (m): 2508 2510 2503 2503 2502 2524 2534 2549 2554 2566 2564 2554 2537 2539 2543 750mb Temp (C): 7.1 6.1 6.5 7.3 6.3 5.4 5.2 5.2 4.9 5.2 5.5 5.5 5.6 5.0 6.1 750mb Dewpt(C): -8.9 -10.5 -13.9 -8.4 -1.6 1.5 1.9 -1.9 -6.2 1.0 -4.5 -6.0 -20.7 -17.5 -33.0 750mb RH (%): 31 29 22 32 57 76 79 60 44 74 48 43 13 18 4 750mb Dir: 323 345 338 31 47 58 16 17 318 318 259 262 266 268 259 750mb Speed(kt): 8 11 8 13 7 5 6 4 5 5 12 17 20 18 21 700mb GPH (m): 3070 3071 3065 3066 3063 3083 3094 3109 3113 3125 3124 3114 3097 3099 3105 700mb Temp (C): 2.6 2.4 3.4 3.2 2.1 1.0 1.9 2.7 2.0 1.8 2.1 2.5 2.2 3.2 3.7 700mb Dewpt(C): -10.3 -18.2 -31.8 -16.5 -6.7 -3.7 -6.5 -12.9 -12.2 -4.8 -10.3 -12.3 -16.7 -19.9 -26.4 700mb RH (%): 38 20 6 22 52 70 54 31 34 61 39 32 23 17 9 700mb Dir: 315 348 3 33 22 25 14 14 334 300 276 262 268 277 267 700mb Speed(kt): 10 8 6 11 9 8 8 6 7 8 13 19 24 20 20 650mb GPH (m): 3663 3664 3661 3661 3657 3675 3688 3705 3707 3720 3718 3708 3692 3696 3701 650mb Temp (C): -2.1 -1.3 -0.5 -0.8 -1.3 -1.7 -0.6 0.2 -0.5 -0.6 -1.0 -0.7 -0.7 0.5 0.7 650mb Dewpt(C): -17.1 -29.8 -21.7 -16.5 -13.6 -13.8 -17.2 -21.1 -19.2 -14.3 -17.7 -20.8 -21.3 -11.8 -26.3 650mb RH (%): 31 10 19 29 39 39 27 19 23 35 27 20 19 39 11 650mb Dir: 333 12 17 23 16 21 9 12 343 288 283 264 273 278 271 650mb Speed(kt): 10 8 9 12 15 15 11 12 8 10 15 22 27 26 25 600mb GPH (m): 4295 4296 4295 4295 4290 4308 4323 4341 4343 4355 4352 4343 4327 4334 4340 600mb Temp (C): -4.7 -5.4 -4.5 -5.0 -4.8 -4.4 -3.9 -3.0 -3.2 -3.7 -4.3 -3.4 -3.3 -2.6 -1.9 600mb Dewpt(C): -34.7 -22.0 -23.6 -18.5 -18.8 -22.2 -25.7 -25.6 -25.6 -24.8 -23.7 -33.4 -24.1 -19.3 -32.0 600mb RH (%): 8 26 21 34 33 24 17 16 16 18 21 8 19 27 8 600mb Dir: 9 12 20 20 16 21 9 6 349 275 279 271 282 277 273 600mb Speed(kt): 10 11 10 16 18 19 14 17 9 11 19 25 28 29 33 550mb GPH (m): 4973 4972 4974 4973 4968 4988 5005 5024 5025 5036 5032 5025 5010 5019 5025 550mb Temp (C): -9.4 -9.8 -8.6 -9.3 -9.2 -8.3 -7.8 -7.5 -7.9 -7.9 -8.3 -7.4 -7.0 -5.8 -6.5 550mb Dewpt(C): -30.2 -25.6 -25.7 -22.5 -24.3 -28.4 -30.4 -27.6 -27.9 -27.5 -28.2 -30.5 -14.2 -18.8 -30.9 550mb RH (%): 17 27 24 34 29 19 15 19 19 19 19 14 57 35 13 550mb Dir: 21 19 17 17 18 22 14 4 342 279 275 276 288 283 268 550mb Speed(kt): 14 14 16 19 19 21 17 18 12 12 21 30 31 28 32 500mb GPH (m): 5701 5701 5705 5703 5698 5719 5738 5757 5757 5768 5764 5759 5747 5758 5761 500mb Temp (C): -14.0 -14.0 -13.5 -14.0 -13.7 -13.3 -12.6 -13.2 -13.4 -13.2 -13.3 -12.7 -11.5 -11.2 -11.6 500mb Dewpt(C): -30.7 -32.3 -30.9 -28.7 -31.9 -35.9 -31.0 -31.4 -31.7 -30.8 -34.2 -26.8 -19.8 -21.0 -29.7 500mb RH (%): 24 20 22 28 21 14 21 21 20 22 16 30 50 45 21 500mb Dir: 18 25 12 15 22 21 22 2 331 292 274 281 290 288 263 500mb Speed(kt): 16 19 20 21 21 23 22 18 16 16 24 32 33 27 33 450mb GPH (m): 6491 6492 6497 6495 6491 6512 6531 6548 6549 6560 6557 6554 6545 6558 6559 450mb Temp (C): -20.2 -19.6 -19.6 -18.6 -18.9 -18.9 -19.2 -19.5 -19.7 -19.7 -18.9 -17.7 -17.2 -16.9 -16.5 450mb Dewpt(C): -37.8 -32.0 -33.3 -34.4 -41.3 -39.2 -34.3 -35.4 -35.5 -36.2 -43.1 -33.1 -24.7 -27.2 -35.6 450mb RH (%): 20 33 29 24 13 16 26 24 24 23 11 25 53 41 18 450mb Dir: 37 28 13 19 20 20 18 360 328 296 279 284 291 288 265 450mb Speed(kt): 16 18 21 26 25 28 26 21 19 20 24 34 37 34 33 400mb GPH (m): 7351 7354 7360 7362 7356 7376 7393 7410 7410 7422 7422 7424 7417 7430 7432 400mb Temp (C): -27.0 -26.6 -26.0 -25.0 -25.3 -26.2 -26.2 -26.2 -26.3 -26.1 -24.9 -23.9 -23.4 -23.6 -23.4 400mb Dewpt(C): -51.8 -38.6 -37.9 -43.8 -47.4 -38.9 -39.4 -40.2 -42.6 -41.5 -39.3 -33.3 -26.4 -38.1 -39.6 400mb RH (%): 8 33 33 17 12 30 29 27 21 23 26 43 77 26 22 400mb Dir: 43 32 14 25 26 13 9 360 332 302 293 286 291 285 263 400mb Speed(kt): 22 23 26 33 29 30 26 23 18 24 21 37 39 35 39 350mb GPH (m): 8295 8302 8311 8316 8310 8326 8344 8361 8360 8372 8377 8383 8378 8392 8393 350mb Temp (C): -35.1 -34.1 -33.2 -32.6 -32.9 -33.9 -33.3 -33.1 -33.3 -33.4 -32.7 -31.3 -30.7 -30.5 -30.9 350mb Dewpt(C): -45.8 -47.4 -42.6 -49.3 -52.2 -44.4 -47.1 -48.0 -51.5 -46.4 -49.4 -38.9 -34.8 -59.1 -36.6 350mb RH (%): 34 26 40 19 14 36 25 23 16 27 19 48 68 5 58 350mb Dir: 42 31 14 21 26 360 2 358 329 304 304 306 288 282 267 350mb Speed(kt): 30 28 33 41 29 31 29 23 21 29 31 34 36 37 48 300mb GPH (m): 9351 9362 9373 9383 9376 9387 9406 9426 9426 9434 9443 9455 9453 9467 9473 300mb Temp (C): -43.6 -42.7 -42.0 -40.8 -41.4 -42.3 -41.8 -41.2 -41.1 -42.3 -41.7 -40.6 -39.9 -39.6 -38.2 300mb Dewpt(C): -57.4 -54.0 -48.9 -59.9 -56.3 -53.3 -54.7 -54.9 -57.2 -53.9 -49.5 -46.1 -43.2 -51.8 -42.0 300mb RH (%): 22 30 48 12 20 31 25 23 18 29 44 57 72 28 69 300mb Dir: 39 36 20 27 20 3 5 359 324 295 318 313 294 285 273 300mb Speed(kt): 36 32 39 42 30 33 29 25 25 30 34 37 38 37 44 250mb GPH (m): 10550 10565 10580 10597 10586 10594 10618 10640 10639 10642 10650 10666 10668 10685 10695 250mb Temp (C): -53.4 -52.9 -51.8 -50.9 -51.0 -51.2 -50.2 -50.0 -50.4 -51.2 -52.3 -51.0 -50.7 -50.3 -49.9 250mb Dewpt(C): -62.4 -60.0 -60.5 -62.2 -59.1 -61.7 -61.9 -63.2 -61.6 -62.6 -57.4 -55.5 -56.1 -54.7 -54.9 250mb RH (%): 35 44 37 27 40 30 26 22 28 27 56 61 55 61 57 250mb Dir: 47 42 29 31 16 6 3 357 318 283 324 322 302 287 268 250mb Speed(kt): 54 46 48 43 42 40 37 33 27 36 42 37 39 42 45 200mb GPH (m): 11950 11968 11994 12012 12004 12013 12042 12061 12058 12056 12052 12078 12080 12097 12110 200mb Temp (C): -62.8 -62.1 -60.7 -61.0 -60.4 -59.7 -59.7 -60.1 -60.3 -60.8 -63.9 -62.8 -62.4 -62.4 -62.2 200mb Dewpt(C): -71.1 -67.9 -68.0 -67.0 -69.3 -68.8 -69.3 -67.5 -68.1 -69.2 -67.3 -66.8 -67.2 -65.2 -66.5 200mb RH (%): 35 49 40 47 33 32 30 40 38 35 64 60 55 71 59 200mb Dir: 40 35 27 29 18 8 5 344 316 276 320 318 307 283 282 200mb Speed(kt): 69 63 58 53 52 48 46 35 33 46 44 48 47 55 45 150mb GPH (m): 13730 13747 13772 13779 13766 13786 13811 13822 13816 13818 13810 13815 13813 13831 13845 150mb Temp (C): -60.6 -62.0 -62.8 -65.1 -65.3 -65.2 -65.8 -66.8 -66.5 -65.8 -63.9 -66.3 -69.4 -68.5 -67.4 150mb Dewpt(C): -83.0 -80.9 -80.0 -78.3 -76.5 -77.6 -77.1 -77.7 -77.1 -77.7 -79.1 -79.2 -73.9 -73.2 -77.4 150mb RH (%): 5 8 10 17 23 19 22 23 24 20 13 17 55 54 26 150mb Dir: 34 43 39 20 22 15 355 346 315 282 293 309 299 287 287 150mb Speed(kt): 34 39 25 19 36 35 34 29 29 25 36 29 31 34 40 100mb GPH (m): 16249 16253 16268 16263 16248 16269 16279 16289 16282 16298 16313 16315 16299 16315 16330 100mb Temp (C): -60.9 -60.6 -60.4 -61.3 -62.1 -62.6 -63.3 -62.8 -62.7 -62.7 -61.7 -60.4 -61.0 -61.4 -61.2 100mb Dewpt(C): -89.1 -88.9 -83.9 -89.4 -90.4 -86.3 -86.5 -88.2 -90.2 -88.2 -89.7 -88.8 -89.2 -89.5 -89.3 100mb RH (%): 2 2 4 2 2 4 4 3 2 3 2 2 2 2 2 100mb Dir: 359 7 351 2 19 1 1 350 338 344 309 299 297 284 291 100mb Speed(kt): 17 14 14 21 14 20 23 19 20 11 18 17 18 21 24