Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z APR 28, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 994.5 995.2 996.4 999.1 998.0 998.9 999.2 999.2 996.3 996.5 995.3 995.0 992.5 992.9 993.4 Mean SLP (mb): 1019.0 1019.8 1021.2 1024.0 1022.5 1023.8 1024.4 1024.1 1020.5 1021.0 1019.9 1018.9 1016.2 1016.9 1017.8 2m agl Tmp (F): 54.9 52.3 47.8 47.7 56.1 45.9 39.9 50.8 63.2 55.4 50.4 69.3 73.0 62.8 53.0 2m agl Dewpt(F): 45.4 46.7 43.6 45.0 44.2 39.4 39.6 42.6 48.8 46.7 42.0 49.8 49.1 48.0 45.2 2m agl RH (%): 70 81 85 90 63 78 99 73 59 72 72 49 41 58 74 10m agl Dir: 227 292 323 238 305 306 328 303 320 13 53 59 338 7 46 10m agl Spd(kt): 3 2 3 2 5 4 0 3 7 2 4 4 7 3 3 6hr Precip (in): 0.00 0.00 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.01 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 Sfc CAPE (J/kg): 44.1 33.8 5.9 32.3 27.7 0.0 0.0 1.9 0.3 0.0 0.0 16.5 1.4 0.0 0.0 Sfc CINH (J/kg): -4.1 0.0 -6.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -5.4 -2.1 -0.5 -0.2 0-3km Hel(J/kg): 123.0 61.6 61.8 44.5 2.2 37.0 62.1 23.3 51.6 30.9 31.8 32.3 80.8 71.5 50.0 Precip H20 (in): 0.61 0.53 0.50 0.53 0.50 0.46 0.43 0.47 0.53 0.51 0.39 0.45 0.55 0.50 0.42 Lifted Index(C): 3.9 3.8 8.9 10.4 8.9 11.7 13.3 12.7 4.5 2.9 6.1 1.8 1.7 2.1 5.2 700mb VV(-ub/s): -2.8 -0.1 0.1 0.4 -0.5 -0.3 -0.7 -1.4 -2.1 -0.4 -1.0 -1.4 -2.5 -0.1 0.1 Thk1000-500mb(m)5427.7 5431.5 5433.4 5440.0 5463.4 5469.9 5462.7 5474.6 5517.4 5522.6 5523.4 5539.5 5570.1 5574.6 5560.6 Thk1000-850mb(m)1331.3 1331.7 1322.2 1318.5 1331.6 1323.1 1317.3 1326.1 1353.9 1360.9 1361.9 1367.6 1378.7 1376.2 1367.7 Thk850-700mb(m):1547.3 1549.9 1549.9 1549.6 1552.4 1555.4 1554.5 1556.4 1565.1 1566.9 1567.2 1568.5 1577.2 1581.6 1578.7 SWEAT Index: 39.3 37.2 53.0 38.1 38.8 43.7 50.3 52.9 53.7 61.0 65.3 55.7 74.7 44.2 27.0 Total Totals Idx 46.2 46.7 39.7 36.5 34.4 26.3 26.4 30.0 34.9 43.3 41.7 43.8 46.9 46.1 42.3 Frz Hgt(ft amsl) 7015 7335 7553 4449 7892 7996 7682 7986 8690 8741 8787 9106 10465 10653 10831 0WetBlbHgt(amsl) 5309 5245 4740 4354 4707 4049 3733 4426 5313 6195 5939 6150 7124 6891 6558 Equil Prs (mb): 629 826 996 839 830 999 999 999 996 997 995 374 332 993 993 Equil Hgt(amsl): 12675 5666 26 5306 5620 26 26 26 26 26 26 25560 28282 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: 29.1 22.9 21.2 19.3 24.2 42.1 23.5 40.6 43.0 39.6 46.0 47.8 47.3 43.7 47.4 Showalter Index: 5.7 5.5 9.5 11.6 12.3 14.5 15.1 13.3 10.2 5.8 6.8 5.4 2.8 3.3 5.9 Cap Strength(C): 1.3 -999.9 4.7 5.1 2.8 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 0.0 -999.9 -999.9 Storm Dir (deg): 343 349 348 338 336 357 8 49 76 85 97 96 87 133 194 Storm Spd (kts): 10 9 10 8 9 10 11 10 11 11 12 10 7 5 6 2m HeatIndex(F): 55 52 48 48 56 46 40 51 63 55 50 69 73 63 53 2m WindChill(F): 55 52 48 48 56 46 40 51 63 55 50 69 73 63 53 1000mb GPH (m): 158 164 174 196 187 194 197 197 173 175 164 161 139 143 148 950mb GPH (m): 584 590 596 617 614 616 615 618 606 607 598 599 581 581 581 950mb Temp (C): 7.7 7.5 5.2 4.6 8.2 5.2 4.2 4.7 12.2 13.5 15.2 15.8 18.1 17.2 15.8 950mb Dewpt(C): 6.6 7.2 4.6 3.9 5.0 3.2 3.0 2.8 7.5 7.8 2.2 5.1 7.1 8.3 4.6 950mb RH (%): 93 98 96 95 80 87 92 88 73 68 41 48 48 55 47 950mb Dir: 218 292 319 286 307 332 334 331 330 36 79 70 338 20 96 950mb Speed(kt): 3 3 7 2 7 10 5 2 8 9 13 7 10 10 6 900mb GPH (m): 1027 1033 1036 1056 1057 1056 1053 1058 1055 1061 1052 1055 1040 1040 1038 900mb Temp (C): 4.1 4.3 3.1 2.1 3.9 3.4 1.6 4.4 8.9 11.8 11.8 11.6 13.6 14.3 13.4 900mb Dewpt(C): 3.8 4.0 2.8 1.4 3.8 -0.6 -0.6 -1.3 5.5 2.7 -0.5 3.3 5.9 4.8 1.0 900mb RH (%): 98 98 98 95 99 75 85 66 79 53 42 56 59 52 42 900mb Dir: 255 286 261 264 312 325 279 75 354 84 89 80 349 55 121 900mb Speed(kt): 5 6 8 7 6 2 3 9 8 13 20 13 9 6 6 850mb GPH (m): 1489 1496 1496 1515 1519 1518 1514 1523 1527 1536 1526 1529 1518 1519 1515 850mb Temp (C): 0.9 1.2 0.1 -1.1 0.6 3.1 3.0 4.3 7.0 8.2 7.9 7.9 9.6 10.4 9.6 850mb Dewpt(C): 0.3 0.1 -0.9 -1.3 -2.7 -14.2 -12.0 -10.1 -8.3 -2.6 -4.3 -1.3 3.4 1.7 -2.0 850mb RH (%): 96 92 93 99 78 27 32 34 32 46 41 51 65 54 44 850mb Dir: 272 277 231 234 314 311 333 89 79 84 94 87 24 85 102 850mb Speed(kt): 8 7 11 9 8 8 9 10 15 18 22 18 9 6 6 800mb GPH (m): 1975 1983 1984 2000 2007 2007 2004 2014 2022 2032 2022 2025 2017 2020 2014 800mb Temp (C): 0.8 0.7 1.9 2.6 2.4 1.9 1.5 2.4 4.1 4.2 4.4 4.5 5.4 6.9 5.9 800mb Dewpt(C): -5.0 -7.1 -21.4 -26.3 -31.1 -16.9 -9.8 -12.7 -24.5 -9.8 -12.4 -11.7 -2.9 -7.9 -8.4 800mb RH (%): 65 56 16 10 7 24 43 32 10 35 28 30 55 34 35 800mb Dir: 288 299 288 281 282 299 347 70 91 83 91 82 68 102 101 800mb Speed(kt): 11 15 13 10 10 10 8 7 20 21 17 15 8 10 5 750mb GPH (m): 2492 2500 2501 2518 2524 2525 2521 2532 2542 2553 2544 2547 2541 2545 2538 750mb Temp (C): -1.8 -0.7 -1.2 -1.0 -0.7 -0.4 -0.8 -0.6 0.7 0.7 0.8 1.3 2.4 3.5 2.8 750mb Dewpt(C): -9.2 -19.1 -21.7 -21.5 -40.9 -15.9 -12.4 -11.6 -16.1 -18.2 -13.1 -23.1 -15.4 -20.8 -17.6 750mb RH (%): 57 23 20 20 3 30 41 43 27 23 35 14 25 15 21 750mb Dir: 298 302 293 288 261 292 353 50 90 81 82 70 96 130 158 750mb Speed(kt): 13 16 13 10 9 10 9 7 15 17 13 11 13 7 4 700mb GPH (m): 3036 3046 3046 3064 3071 3073 3069 3080 3092 3103 3094 3098 3095 3101 3094 700mb Temp (C): -6.1 -5.6 -4.9 -4.0 -3.5 -3.3 -2.8 -3.9 -2.7 -2.6 -2.5 -1.8 0.5 0.8 1.4 700mb Dewpt(C): -10.8 -20.0 -24.8 -26.8 -38.4 -14.7 -14.8 -11.8 -12.6 -14.7 -18.9 -24.7 -36.7 -36.7 -34.7 700mb RH (%): 69 31 20 15 5 41 40 55 47 39 27 16 4 4 5 700mb Dir: 325 315 301 299 271 295 344 35 80 71 70 69 108 156 171 700mb Speed(kt): 19 14 13 10 10 10 13 9 12 11 12 12 11 5 9 650mb GPH (m): 3611 3621 3623 3644 3652 3656 3653 3662 3676 3687 3678 3685 3686 3692 3685 650mb Temp (C): -10.7 -9.8 -9.2 -7.5 -7.1 -5.8 -5.6 -6.2 -5.0 -5.3 -5.2 -3.4 -2.7 -2.4 -2.5 650mb Dewpt(C): -17.3 -24.7 -28.7 -31.1 -19.4 -16.7 -23.1 -17.2 -17.0 -19.9 -29.4 -37.1 -38.1 -38.3 -38.0 650mb RH (%): 59 29 19 14 37 42 24 41 39 31 13 6 5 5 5 650mb Dir: 335 324 318 310 290 326 343 22 52 38 47 60 100 148 182 650mb Speed(kt): 19 13 14 11 13 12 21 14 11 11 15 15 9 6 10 600mb GPH (m): 4222 4234 4237 4261 4271 4279 4275 4284 4301 4311 4303 4311 4315 4321 4315 600mb Temp (C): -13.8 -13.2 -12.6 -11.7 -10.8 -8.7 -9.3 -8.8 -8.2 -8.1 -7.7 -7.4 -6.1 -6.1 -6.0 600mb Dewpt(C): -20.8 -32.5 -31.4 -17.9 -14.3 -26.0 -33.8 -24.0 -27.3 -40.7 -49.3 -43.6 -50.0 -49.5 -45.7 600mb RH (%): 56 19 20 60 75 24 12 28 20 6 2 4 2 2 3 600mb Dir: 330 334 331 325 301 343 338 11 38 34 38 55 55 149 193 600mb Speed(kt): 20 14 15 13 16 22 27 21 17 16 17 16 5 5 11 550mb GPH (m): 4879 4890 4896 4923 4934 4947 4941 4953 4971 4981 4971 4982 4988 4995 4988 550mb Temp (C): -17.2 -17.8 -16.2 -15.6 -14.4 -13.2 -13.4 -12.7 -12.4 -12.9 -13.3 -12.1 -11.7 -11.3 -11.7 550mb Dewpt(C): -27.6 -36.6 -23.9 -17.7 -17.7 -27.9 -44.1 -27.9 -32.3 -35.5 -45.6 -53.3 -46.9 -49.2 -41.9 550mb RH (%): 41 19 52 84 76 29 6 27 18 14 5 2 4 3 7 550mb Dir: 319 332 348 338 321 339 334 2 31 32 35 53 66 141 200 550mb Speed(kt): 22 17 23 17 19 26 31 28 20 21 16 17 9 8 13 500mb GPH (m): 5585 5595 5607 5636 5651 5664 5660 5672 5690 5697 5688 5701 5709 5718 5708 500mb Temp (C): -22.5 -22.7 -20.2 -19.5 -18.2 -18.7 -17.7 -17.9 -18.1 -18.9 -19.0 -18.6 -17.0 -17.0 -17.3 500mb Dewpt(C): -42.2 -40.4 -20.8 -21.5 -24.9 -28.6 -57.7 -35.1 -39.4 -44.2 -48.9 -42.1 -57.2 -48.0 -49.0 500mb RH (%): 16 19 96 84 56 42 2 21 14 9 6 11 2 5 5 500mb Dir: 319 340 349 341 335 339 334 356 22 32 46 45 75 106 188 500mb Speed(kt): 19 22 32 21 24 27 33 33 23 25 22 20 17 11 14 450mb GPH (m): 6351 6363 6382 6412 6430 6440 6438 6449 6467 6473 6463 6476 6488 6498 6488 450mb Temp (C): -27.0 -25.9 -24.0 -23.4 -23.2 -24.7 -24.0 -24.0 -24.3 -24.0 -25.0 -24.7 -23.9 -22.8 -23.4 450mb Dewpt(C): -49.4 -53.3 -30.8 -25.6 -41.0 -33.4 -50.0 -49.2 -41.3 -56.7 -51.3 -54.4 -51.1 -61.9 -51.6 450mb RH (%): 11 7 54 82 19 45 8 9 20 4 8 5 7 2 6 450mb Dir: 331 349 349 337 342 340 339 352 12 24 32 57 60 120 196 450mb Speed(kt): 22 35 33 24 31 28 32 35 28 28 22 26 17 10 16 400mb GPH (m): 7189 7208 7233 7264 7281 7285 7284 7297 7312 7319 7307 7321 7334 7347 7336 400mb Temp (C): -32.9 -30.4 -28.9 -28.2 -29.4 -31.2 -31.1 -30.4 -30.8 -31.3 -31.4 -31.1 -31.2 -30.3 -30.6 400mb Dewpt(C): -58.6 -46.0 -41.6 -31.0 -38.4 -37.3 -47.6 -62.3 -61.5 -53.9 -60.3 -60.2 -62.7 -60.2 -48.0 400mb RH (%): 7 22 29 77 43 56 19 3 4 10 5 5 3 4 18 400mb Dir: 316 356 353 335 330 341 343 348 4 12 20 56 51 125 219 400mb Speed(kt): 23 46 35 28 35 31 32 40 34 31 28 31 18 7 13 350mb GPH (m): 8114 8142 8174 8208 8220 8216 8214 8228 8246 8252 8239 8251 8266 8281 8270 350mb Temp (C): -39.7 -37.3 -36.2 -34.6 -36.4 -38.3 -39.0 -38.5 -37.9 -37.0 -36.9 -38.8 -38.2 -37.6 -37.6 350mb Dewpt(C): -62.0 -50.3 -40.8 -41.2 -45.1 -45.4 -46.1 -54.3 -56.9 -66.2 -73.9 -60.8 -59.9 -56.8 -44.2 350mb RH (%): 9 26 63 53 42 49 48 19 13 4 1 9 10 13 51 350mb Dir: 323 6 360 340 334 337 343 351 359 2 14 19 17 326 272 350mb Speed(kt): 23 59 42 35 40 31 31 38 35 43 36 30 20 7 12 300mb GPH (m): 9151 9190 9227 9265 9272 9258 9253 9268 9290 9305 9289 9294 9308 9324 9314 300mb Temp (C): -47.5 -45.0 -43.2 -42.9 -43.4 -45.8 -46.3 -46.2 -45.0 -43.5 -44.2 -45.8 -46.7 -46.7 -46.1 300mb Dewpt(C): -67.8 -53.5 -47.8 -48.6 -56.6 -54.5 -59.1 -62.2 -67.0 -72.2 -61.8 -65.4 -63.3 -55.2 -50.6 300mb RH (%): 9 40 62 55 24 39 24 16 8 3 14 11 15 39 62 300mb Dir: 344 5 358 339 334 337 343 350 350 352 352 339 14 329 290 300mb Speed(kt): 30 70 55 45 49 39 38 42 47 58 45 38 19 19 17 250mb GPH (m): 10333 10383 10431 10466 10477 10453 10446 10463 10490 10506 10487 10481 10491 10507 10497 250mb Temp (C): -54.6 -53.8 -52.4 -52.7 -51.5 -52.0 -52.3 -51.8 -51.5 -52.9 -53.4 -55.7 -56.2 -56.4 -56.4 250mb Dewpt(C): -69.7 -63.0 -62.8 -58.4 -60.1 -66.9 -66.9 -68.6 -72.1 -67.0 -64.6 -65.2 -61.1 -65.9 -59.9 250mb RH (%): 16 34 30 52 37 17 18 13 8 19 27 32 56 32 66 250mb Dir: 352 10 358 339 332 333 339 344 342 341 341 350 340 337 294 250mb Speed(kt): 33 75 60 51 81 49 62 63 68 72 55 40 34 33 18 200mb GPH (m): 11750 11796 11836 11880 11895 11884 11870 11888 11910 11913 11891 11873 11878 11888 11875 200mb Temp (C): -56.6 -57.7 -60.9 -59.8 -58.2 -55.6 -56.1 -57.6 -59.3 -60.3 -60.7 -61.6 -62.7 -63.8 -65.8 200mb Dewpt(C): -74.8 -71.5 -66.6 -69.5 -70.1 -73.4 -74.0 -72.3 -70.9 -71.7 -70.0 -70.2 -68.2 -69.9 -67.7 200mb RH (%): 10 18 50 30 23 11 11 16 23 24 31 34 50 46 78 200mb Dir: 354 4 351 342 324 333 341 331 335 335 338 350 327 320 292 200mb Speed(kt): 30 52 63 63 53 55 40 51 69 58 41 29 31 34 23 150mb GPH (m): 13588 13617 13635 13672 13700 13713 13699 13714 13724 13721 13691 13676 13676 13671 13652 150mb Temp (C): -53.7 -55.9 -57.9 -59.3 -58.9 -56.5 -55.2 -54.5 -56.4 -56.1 -57.4 -56.5 -57.2 -57.9 -57.9 150mb Dewpt(C): -88.1 -85.2 -86.6 -80.3 -80.2 -81.3 -84.8 -89.2 -85.6 -85.5 -83.8 -85.9 -83.8 -82.5 -84.1 150mb RH (%): 1 2 2 6 6 4 2 1 2 2 3 2 3 4 3 150mb Dir: 347 354 352 345 329 327 320 323 324 315 304 303 300 303 292 150mb Speed(kt): 17 24 28 33 35 31 29 31 35 31 33 28 23 23 21 100mb GPH (m): 16173 16193 16195 16215 16238 16249 16249 16263 16279 16276 16246 16245 16240 16232 16209 100mb Temp (C): -56.6 -57.3 -58.6 -58.7 -59.2 -60.1 -59.5 -60.7 -60.1 -59.8 -59.8 -59.8 -58.6 -57.1 -57.0 100mb Dewpt(C): -90.2 -86.4 -87.4 -91.8 -92.2 -92.1 -88.3 -88.9 -88.7 -92.5 -92.5 -92.6 -87.3 -86.3 -86.2 100mb RH (%): 1 2 2 1 1 1 2 2 2 1 1 1 2 2 2 100mb Dir: 337 301 300 320 285 307 311 317 302 301 306 281 284 291 287 100mb Speed(kt): 7 5 11 10 15 17 22 18 20 17 20 19 33 22 20