Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 5, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 990.5 992.0 991.0 992.6 994.5 996.0 994.9 995.9 996.2 995.9 993.0 992.6 992.9 995.2 996.2 Mean SLP (mb): 1014.9 1016.4 1015.0 1016.8 1019.0 1020.4 1018.9 1020.4 1021.0 1020.5 1017.0 1016.9 1017.4 1019.7 1020.6 2m agl Tmp (F): 52.9 54.2 62.9 58.4 54.5 55.6 64.3 54.0 47.2 54.3 65.4 56.7 51.3 56.1 58.4 2m agl Dewpt(F): 49.9 51.6 53.6 52.8 52.1 53.6 54.3 47.5 43.8 44.8 42.1 42.6 42.5 42.4 40.6 2m agl RH (%): 89 91 71 81 91 93 69 78 87 70 42 59 71 59 51 10m agl Dir: 239 222 281 296 260 171 286 319 305 218 279 65 222 227 252 10m agl Spd(kt): 1 2 3 3 1 0 5 5 3 2 4 0 2 6 5 6hr Precip (in): 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.03 0.03 0.03 0.03 0.03 Sfc CAPE (J/kg): 4.1 15.2 7.5 9.4 18.9 18.5 10.0 0.2 1.0 2.7 0.0 0.0 0.0 0.2 0.0 Sfc CINH (J/kg): -0.1 -0.2 0.0 -0.2 -0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 54.4 23.3 43.0 41.5 39.0 68.2 65.8 127.9 104.2 78.0 58.8 97.0 98.4 78.8 128.8 Precip H20 (in): 0.83 0.86 0.82 0.73 0.73 0.63 0.78 0.70 0.48 0.43 0.31 0.45 0.47 0.41 0.57 Lifted Index(C): 4.9 5.4 5.4 5.8 5.7 8.6 5.6 9.7 16.6 16.5 13.6 10.1 12.0 11.8 8.6 700mb VV(-ub/s): -0.4 -0.8 -1.5 -0.5 0.5 0.4 -0.2 -0.6 -0.9 0.0 0.1 -1.1 0.5 0.2 -2.2 Thk1000-500mb(m)5585.0 5588.3 5618.6 5622.5 5606.8 5599.1 5601.5 5587.0 5578.3 5585.6 5610.9 5604.3 5559.6 5502.1 5501.1 Thk1000-850mb(m)1346.3 1344.3 1360.2 1358.8 1351.7 1351.9 1361.9 1348.9 1334.3 1336.8 1359.7 1355.1 1345.1 1333.7 1340.9 Thk850-700mb(m):1599.3 1601.7 1605.7 1606.4 1602.1 1598.3 1595.7 1587.9 1585.1 1588.0 1590.8 1592.3 1578.3 1563.4 1561.5 SWEAT Index: 101.8 88.9 69.9 52.4 66.8 45.1 66.1 65.5 65.2 51.2 46.5 57.7 67.9 78.4 73.6 Total Totals Idx 40.3 39.7 40.8 41.0 41.7 35.8 36.5 29.1 12.9 -0.1 11.1 14.3 9.2 9.3 34.7 Frz Hgt(ft amsl) 11196 11223 12558 13112 12748 12618 12092 11948 12605 12793 12961 13050 10617 9009 7961 0WetBlbHgt(amsl) 9458 9917 9896 9023 8960 7981 9000 7336 4748 3343 4778 5054 4453 3305 7554 Equil Prs (mb): 990 898 991 993 995 892 995 996 996 996 993 993 993 995 996 Equil Hgt(amsl): 26 3384 26 26 26 3685 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: 42.0 17.1 20.3 22.8 19.4 19.4 25.2 46.9 58.4 61.3 59.8 56.5 54.6 53.5 45.6 Showalter Index: 6.0 6.2 5.3 5.3 5.0 8.6 8.3 12.7 19.6 20.0 18.6 17.0 17.9 17.4 11.1 Cap Strength(C):-999.9 8.9 6.1 -999.9 8.3 7.0 3.7 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 45 57 34 20 342 314 308 315 325 318 299 282 276 274 308 Storm Spd (kts): 7 7 7 8 7 9 14 16 15 12 11 12 16 18 17 2m HeatIndex(F): 53 54 63 58 54 56 64 54 47 54 65 57 51 56 58 2m WindChill(F): 53 54 63 58 54 56 64 54 47 54 65 57 51 56 58 1000mb GPH (m): 124 137 127 141 158 170 160 170 172 170 144 142 144 164 172 950mb GPH (m): 551 564 561 572 586 599 595 597 593 594 579 573 571 590 601 950mb Temp (C): 8.9 8.7 12.4 10.9 9.2 9.8 13.1 9.0 5.5 6.6 13.6 12.3 9.2 7.6 9.9 950mb Dewpt(C): 8.7 8.4 10.3 10.5 8.9 9.5 10.7 8.0 4.3 5.4 2.3 4.3 5.4 3.5 2.9 950mb RH (%): 98 98 87 97 98 98 85 93 91 92 46 57 76 75 61 950mb Dir: 257 271 286 316 316 197 284 328 322 208 282 301 221 225 252 950mb Speed(kt): 2 2 3 4 3 3 5 8 4 2 5 1 6 7 6 900mb GPH (m): 998 1011 1011 1021 1032 1046 1047 1045 1036 1037 1030 1024 1019 1032 1047 900mb Temp (C): 8.2 7.0 8.6 8.5 8.0 6.6 9.1 8.4 6.0 7.4 10.6 9.1 8.6 5.0 5.6 900mb Dewpt(C): 8.1 7.0 7.3 7.8 7.0 6.4 8.5 7.6 1.0 -15.9 -13.7 5.9 -1.3 -8.6 0.3 900mb RH (%): 99 100 91 95 93 98 96 95 70 17 16 80 49 36 68 900mb Dir: 239 245 317 291 279 247 267 241 260 286 274 231 226 228 244 900mb Speed(kt): 4 6 6 3 7 8 6 10 10 7 4 5 14 10 6 850mb GPH (m): 1470 1481 1487 1500 1509 1522 1522 1518 1506 1507 1504 1497 1489 1497 1513 850mb Temp (C): 8.3 9.5 13.7 14.4 13.2 12.6 11.7 9.0 7.3 7.8 9.1 9.7 7.5 4.9 4.6 850mb Dewpt(C): 5.0 4.5 2.3 0.9 2.0 -3.7 -1.8 -3.3 -16.0 -31.3 -20.6 -20.2 -26.4 -29.2 -5.4 850mb RH (%): 79 70 45 39 46 31 38 41 17 4 10 10 7 7 48 850mb Dir: 352 353 354 346 320 313 285 294 299 293 254 252 251 251 271 850mb Speed(kt): 9 5 9 11 12 12 17 13 15 11 10 14 16 17 17 800mb GPH (m): 1974 1987 1996 2009 2016 2028 2027 2018 2003 2005 2004 1998 1987 1989 2005 800mb Temp (C): 10.1 10.8 11.4 11.3 10.4 9.9 9.4 7.2 6.5 7.4 8.2 8.0 6.2 3.1 2.4 800mb Dewpt(C): 0.2 0.5 -0.2 -2.4 -1.5 -9.2 -2.5 -5.8 -21.1 -31.5 -34.3 -23.2 -18.5 -29.4 0.9 800mb RH (%): 50 48 44 38 43 25 43 39 12 4 3 9 15 7 90 800mb Dir: 17 80 360 353 319 306 281 282 301 291 258 253 260 256 270 800mb Speed(kt): 12 6 6 9 11 12 20 19 18 15 13 17 20 19 20 750mb GPH (m): 2507 2521 2531 2543 2549 2559 2558 2547 2530 2533 2533 2527 2512 2510 2524 750mb Temp (C): 7.0 6.9 7.2 7.2 6.8 6.1 5.6 5.4 5.5 5.7 6.1 6.1 3.3 1.1 -0.6 750mb Dewpt(C): -2.5 -1.0 -1.1 -5.4 -5.1 -9.8 -2.1 -14.7 -28.5 -26.9 -32.5 -13.1 -8.1 -17.7 -1.9 750mb RH (%): 50 57 55 40 42 31 57 22 7 8 4 24 43 23 90 750mb Dir: 48 77 7 354 309 304 278 273 297 290 265 255 258 253 264 750mb Speed(kt): 7 5 5 7 9 12 21 24 21 16 13 19 22 21 25 700mb GPH (m): 3069 3083 3093 3106 3111 3120 3118 3106 3091 3095 3094 3089 3068 3061 3075 700mb Temp (C): 2.1 1.8 2.3 4.4 3.5 3.2 2.5 2.5 3.5 3.7 3.7 4.1 0.5 -1.5 -1.3 700mb Dewpt(C): -4.8 -2.5 -3.3 -12.5 -11.3 -16.4 -13.6 -19.5 -32.3 -21.3 -22.5 -24.7 -21.3 -18.5 -17.1 700mb RH (%): 60 73 66 28 33 22 29 18 5 14 13 10 18 26 29 700mb Dir: 20 78 12 5 303 291 276 278 292 290 267 256 251 254 281 700mb Speed(kt): 3 4 4 10 8 11 20 26 25 18 15 21 26 26 28 650mb GPH (m): 3663 3676 3689 3705 3709 3718 3713 3702 3689 3693 3693 3689 3660 3648 3661 650mb Temp (C): -1.6 -1.3 0.7 1.5 0.9 0.7 -0.1 -0.3 0.8 1.0 1.3 1.8 -1.4 -4.0 -4.7 650mb Dewpt(C): -14.1 -9.8 -20.4 -20.2 -19.8 -20.8 -22.4 -20.3 -16.5 -17.3 -19.9 -29.0 -36.6 -18.3 -23.3 650mb RH (%): 38 52 19 18 20 18 17 21 26 24 19 8 5 32 22 650mb Dir: 11 38 359 5 314 282 278 281 294 290 271 255 246 249 277 650mb Speed(kt): 7 7 12 14 9 14 23 28 28 23 18 23 28 32 33 600mb GPH (m): 4297 4311 4327 4345 4348 4355 4349 4337 4327 4332 4332 4327 4293 4274 4285 600mb Temp (C): -3.8 -3.6 -2.4 -1.8 -2.4 -2.9 -3.6 -3.4 -2.5 -2.0 -1.9 -2.1 -4.2 -8.1 -8.9 600mb Dewpt(C): -22.0 -22.6 -27.1 -24.5 -25.6 -24.6 -26.7 -24.1 -13.6 -13.1 -28.8 -39.3 -34.7 -11.8 -31.6 600mb RH (%): 23 22 13 16 15 17 15 19 42 42 11 4 8 75 14 600mb Dir: 15 24 11 0 325 274 276 283 298 286 275 250 244 243 279 600mb Speed(kt): 17 18 15 16 11 16 27 33 32 27 23 23 28 37 35 550mb GPH (m): 4978 4992 5011 5030 5031 5037 5030 5020 5012 5018 5017 5011 4973 4944 4954 550mb Temp (C): -8.3 -7.6 -6.9 -6.9 -7.2 -7.9 -8.1 -6.8 -6.5 -6.2 -6.3 -6.7 -8.3 -12.3 -12.6 550mb Dewpt(C): -27.7 -31.0 -27.8 -28.2 -28.0 -28.5 -33.0 -20.0 -14.0 -15.6 -25.1 -40.9 -25.9 -16.9 -27.1 550mb RH (%): 20 14 17 17 18 18 12 34 55 47 21 5 23 68 29 550mb Dir: 22 24 17 350 320 275 276 288 299 288 272 252 241 239 287 550mb Speed(kt): 21 24 18 18 15 17 29 36 34 28 25 26 30 39 37 500mb GPH (m): 5709 5725 5746 5763 5764 5769 5762 5757 5750 5755 5755 5746 5704 5666 5673 500mb Temp (C): -13.5 -12.8 -12.4 -12.8 -13.3 -13.4 -13.3 -11.7 -10.8 -11.7 -11.3 -12.4 -14.1 -16.8 -17.8 500mb Dewpt(C): -34.3 -34.0 -31.6 -30.5 -30.8 -32.7 -31.8 -17.9 -23.7 -18.8 -27.3 -39.1 -23.5 -23.4 -27.9 500mb RH (%): 16 16 19 22 22 19 20 60 34 56 26 9 45 57 41 500mb Dir: 21 24 22 345 309 278 277 294 292 290 267 251 240 239 293 500mb Speed(kt): 25 25 23 19 19 21 32 39 36 29 27 30 36 44 40 450mb GPH (m): 6502 6518 6539 6556 6556 6561 6556 6556 6549 6555 6553 6542 6496 6449 6451 450mb Temp (C): -18.3 -19.1 -19.2 -19.7 -19.9 -19.2 -18.3 -16.8 -16.7 -16.8 -17.3 -17.9 -18.8 -21.7 -24.2 450mb Dewpt(C): -42.3 -35.3 -34.2 -35.1 -35.7 -36.6 -30.1 -23.3 -27.2 -29.0 -33.2 -30.1 -20.7 -48.0 -36.5 450mb RH (%): 11 23 26 25 24 21 36 58 41 35 24 34 85 8 32 450mb Dir: 25 21 16 347 305 284 279 296 291 295 260 245 243 238 290 450mb Speed(kt): 27 27 26 20 20 26 36 36 38 31 26 34 47 49 46 400mb GPH (m): 7369 7381 7401 7417 7417 7424 7424 7429 7421 7427 7424 7410 7364 7308 7297 400mb Temp (C): -25.3 -26.2 -26.3 -26.5 -26.5 -25.7 -24.3 -23.2 -24.0 -23.6 -23.5 -23.9 -24.3 -26.6 -31.3 400mb Dewpt(C): -44.8 -38.6 -38.7 -40.7 -43.8 -43.6 -31.9 -28.6 -37.1 -40.1 -46.5 -26.9 -27.1 -50.2 -44.3 400mb RH (%): 15 31 31 26 19 18 51 62 30 21 11 77 78 10 28 400mb Dir: 17 8 7 346 308 293 292 294 294 292 259 243 238 230 292 400mb Speed(kt): 27 28 27 20 19 30 40 36 40 30 26 38 48 63 44 350mb GPH (m): 8321 8330 8351 8366 8367 8376 8384 8390 8381 8387 8382 8373 8323 8255 8226 350mb Temp (C): -33.3 -34.0 -33.6 -33.5 -33.3 -33.0 -31.2 -30.7 -31.0 -30.9 -32.1 -29.8 -31.1 -34.2 -39.1 350mb Dewpt(C): -47.3 -45.1 -46.6 -49.5 -50.8 -50.4 -36.4 -34.8 -59.4 -58.7 -45.9 -33.0 -36.2 -49.5 -50.9 350mb RH (%): 25 33 27 20 17 17 61 68 5 5 26 74 62 21 29 350mb Dir: 21 357 3 344 320 297 305 297 295 285 270 258 239 231 294 350mb Speed(kt): 30 30 26 22 21 31 44 39 44 37 33 37 47 63 47 300mb GPH (m): 9384 9392 9413 9430 9432 9440 9455 9464 9454 9458 9455 9451 9398 9315 9270 300mb Temp (C): -41.8 -42.0 -41.5 -40.8 -41.3 -42.2 -40.7 -40.1 -40.1 -40.3 -39.2 -38.7 -39.0 -42.4 -43.9 300mb Dewpt(C): -52.4 -54.0 -55.3 -59.0 -57.8 -53.4 -45.2 -43.9 -65.6 -61.7 -51.8 -42.1 -43.0 -48.6 -61.8 300mb RH (%): 32 28 23 14 17 30 63 68 6 9 27 71 67 52 14 300mb Dir: 14 6 360 351 315 309 310 299 297 279 279 261 241 227 285 300mb Speed(kt): 33 32 26 28 25 32 46 38 48 40 35 38 47 70 55 250mb GPH (m): 10593 10601 10627 10648 10644 10645 10665 10677 10669 10673 10676 10673 10620 10526 10481 250mb Temp (C): -51.2 -50.7 -49.7 -49.6 -50.6 -52.4 -51.8 -51.3 -50.9 -50.9 -50.0 -50.1 -49.4 -48.8 -48.4 250mb Dewpt(C): -58.8 -63.1 -65.8 -64.3 -60.5 -60.8 -56.1 -57.6 -58.6 -61.5 -53.6 -53.5 -53.0 -65.3 -66.1 250mb RH (%): 42 24 15 18 32 38 61 49 42 30 67 68 67 15 13 250mb Dir: 13 7 357 341 309 303 314 309 296 275 284 267 239 231 272 250mb Speed(kt): 42 39 40 33 29 36 45 43 44 41 39 42 53 72 60 200mb GPH (m): 12011 12022 12052 12072 12063 12054 12070 12086 12078 12083 12090 12086 12041 11972 11935 200mb Temp (C): -60.1 -59.9 -59.9 -60.6 -61.1 -61.0 -64.2 -63.1 -63.2 -63.2 -62.5 -62.6 -60.7 -53.6 -51.5 200mb Dewpt(C): -70.9 -70.4 -69.2 -68.2 -69.5 -68.1 -67.5 -69.1 -67.5 -66.7 -65.6 -66.9 -63.0 -71.2 -74.1 200mb RH (%): 25 27 31 39 35 41 66 47 58 65 69 59 75 12 6 200mb Dir: 19 13 3 333 309 277 318 324 301 284 272 272 248 241 267 200mb Speed(kt): 57 47 42 34 29 48 41 46 47 39 47 47 60 70 63 150mb GPH (m): 13774 13794 13818 13829 13815 13819 13814 13817 13806 13818 13828 13832 13811 13806 13797 150mb Temp (C): -66.0 -65.1 -65.8 -66.7 -66.4 -64.5 -64.5 -66.8 -68.3 -67.1 -66.7 -65.5 -62.5 -57.6 -54.2 150mb Dewpt(C): -77.6 -77.8 -76.2 -77.6 -77.7 -78.2 -78.0 -78.1 -74.5 -74.0 -75.5 -77.8 -79.6 -82.2 -84.1 150mb RH (%): 21 18 25 23 22 16 17 22 44 40 31 19 10 4 2 150mb Dir: 18 11 345 344 303 280 294 302 299 295 288 277 273 259 264 150mb Speed(kt): 34 31 23 25 26 34 38 37 41 37 39 38 58 54 54 100mb GPH (m): 16265 16276 16290 16296 16289 16307 16313 16316 16297 16302 16312 16321 16307 16321 16337 100mb Temp (C): -61.2 -63.1 -62.7 -62.9 -62.7 -62.6 -61.3 -60.5 -61.4 -61.5 -60.4 -61.2 -62.2 -62.6 -61.5 100mb Dewpt(C): -89.4 -90.8 -90.5 -90.7 -86.1 -90.4 -89.4 -88.8 -89.5 -89.6 -88.7 -89.3 -90.1 -90.4 -89.5 100mb RH (%): 2 2 2 2 4 2 2 2 2 2 2 2 2 2 2 100mb Dir: 360 349 357 334 326 311 306 298 289 289 284 284 285 279 272 100mb Speed(kt): 18 20 24 16 19 12 18 17 18 21 22 23 29 29 32