Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 15, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 998.3 997.6 995.1 994.9 996.3 997.8 998.5 1000.1 999.8 1001.3 1000.2 1000.2 999.7 1001.3 999.5 Mean SLP (mb): 1023.2 1022.4 1019.6 1019.7 1021.3 1022.7 1023.4 1025.2 1025.0 1026.4 1024.9 1025.1 1024.8 1026.2 1023.9 2m agl Tmp (F): 46.5 48.5 52.7 48.1 43.7 46.0 49.0 43.0 42.6 45.1 52.9 48.1 43.5 50.8 60.0 2m agl Dewpt(F): 43.8 44.4 44.8 45.2 41.7 41.6 42.3 37.6 38.2 40.1 42.5 41.5 40.8 43.9 43.2 2m agl RH (%): 90 85 74 89 92 84 77 81 84 82 67 77 90 77 53 10m agl Dir: 229 193 226 247 227 227 286 281 282 277 285 299 267 276 302 10m agl Spd(kt): 1 7 10 9 8 8 9 6 5 5 4 5 2 4 8 6hr Precip (in): 0.00 0.01 0.09 0.17 0.11 0.09 0.16 0.04 0.00 0.01 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.01 0.10 0.28 0.39 0.48 0.64 0.68 0.69 0.70 0.70 0.70 0.70 0.70 0.70 Sfc CAPE (J/kg): 38.1 36.3 95.1 148.7 55.3 88.3 184.8 16.9 23.7 21.6 19.4 0.0 0.2 14.7 0.0 Sfc CINH (J/kg): -6.1 0.0 0.0 0.0 -1.4 -3.0 0.0 -2.8 -0.3 -0.4 -0.1 -0.2 0.0 0.0 0.0 0-3km Hel(J/kg): 117.7 123.9 133.5 90.3 147.7 143.5 58.5 97.4 133.5 137.0 69.4 39.2 34.5 48.6 29.4 Precip H20 (in): 0.49 0.70 0.71 0.58 0.50 0.54 0.49 0.39 0.39 0.49 0.55 0.54 0.53 0.56 0.59 Lifted Index(C): 7.5 6.2 5.5 7.3 7.9 4.5 5.8 6.7 8.3 8.0 8.1 7.8 7.6 9.9 8.2 700mb VV(-ub/s): -1.8 -0.3 3.2 7.8 4.7 6.4 2.7 -0.2 -1.3 -2.9 0.0 -0.2 -1.0 0.2 -1.6 Thk1000-500mb(m)5407.0 5401.4 5401.6 5375.8 5328.1 5315.6 5319.8 5314.8 5358.4 5387.1 5429.3 5439.7 5431.3 5436.4 5473.0 Thk1000-850mb(m)1319.2 1321.7 1330.5 1321.9 1312.5 1314.1 1315.4 1305.1 1304.3 1308.6 1326.0 1325.9 1323.1 1323.3 1341.0 Thk850-700mb(m):1531.9 1531.9 1530.9 1523.6 1512.0 1513.5 1511.1 1506.2 1525.5 1536.5 1545.6 1553.9 1553.0 1547.9 1553.3 SWEAT Index: 71.8 176.6 189.7 104.0 111.3 105.6 112.7 67.0 57.5 71.7 54.5 30.2 58.3 53.2 58.2 Total Totals Idx 40.9 45.5 43.4 39.7 43.3 49.1 44.5 48.1 43.3 42.4 40.5 42.0 41.9 35.7 24.7 Frz Hgt(ft amsl) 4430 4789 4986 4510 3739 3749 3738 3052 2858 3358 5228 7766 7656 7244 7471 0WetBlbHgt(amsl) 4174 4731 4891 4324 3670 3692 3642 2971 2802 3291 4808 5266 5071 4206 4532 Equil Prs (mb): 790 759 635 632 653 577 552 740 844 861 830 1000 1000 1001 999 Equil Hgt(amsl): 6866 7889 12394 12437 11575 14649 15705 8489 5117 4650 5667 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: 23.3 23.7 34.8 25.7 23.6 29.9 34.1 20.2 20.1 20.6 23.2 24.4 37.0 38.0 41.9 Showalter Index: 9.6 6.6 7.5 9.9 8.7 5.9 8.3 6.8 9.2 9.0 9.1 7.9 7.8 10.9 14.5 Cap Strength(C): 3.4 3.0 -1.1 0.0 -0.7 -0.7 -999.9 -0.2 0.0 0.0 0.0 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 306 286 283 292 307 319 327 3 25 25 30 6 358 353 352 Storm Spd (kts): 17 22 27 23 24 22 22 15 14 16 10 7 10 11 12 2m HeatIndex(F): 47 48 53 48 44 46 49 43 43 45 53 48 43 51 60 2m WindChill(F): 47 48 53 48 44 46 49 43 43 45 53 48 43 51 60 1000mb GPH (m): 189 184 163 162 173 185 192 204 202 214 206 205 201 214 199 950mb GPH (m): 611 606 589 584 592 606 613 622 619 632 631 628 621 636 629 950mb Temp (C): 5.0 5.3 7.8 5.6 3.6 4.0 4.7 2.1 2.0 2.6 7.0 5.8 5.0 4.6 10.0 950mb Dewpt(C): 4.7 4.9 5.5 5.3 3.3 3.5 2.4 1.6 1.7 2.4 4.3 4.0 3.8 3.5 4.1 950mb RH (%): 98 97 86 98 98 96 85 96 98 98 83 89 92 93 66 950mb Dir: 285 198 231 253 239 234 291 291 301 292 292 323 345 280 308 950mb Speed(kt): 7 15 20 20 20 17 14 12 11 8 7 12 6 4 10 900mb GPH (m): 1050 1046 1032 1024 1029 1043 1051 1055 1053 1067 1072 1069 1061 1074 1075 900mb Temp (C): 2.2 2.7 3.8 2.4 0.8 0.7 0.6 -0.8 -1.4 -0.3 2.8 3.7 3.6 3.5 5.6 900mb Dewpt(C): 1.4 2.4 3.5 1.9 0.5 0.4 0.3 -1.1 -1.7 -0.6 2.6 3.0 1.1 -2.4 3.2 900mb RH (%): 94 98 98 96 98 98 98 98 98 98 98 95 84 65 84 900mb Dir: 270 223 234 270 269 249 294 310 327 337 310 11 337 327 311 900mb Speed(kt): 11 18 26 22 24 21 16 16 15 16 9 11 8 9 11 850mb GPH (m): 1508 1506 1493 1483 1485 1499 1507 1509 1507 1523 1532 1531 1524 1538 1540 850mb Temp (C): -1.1 -0.3 0.2 -0.8 -2.4 -2.5 -2.5 -3.4 -3.5 -1.6 0.1 2.1 3.4 3.3 4.3 850mb Dewpt(C): -3.1 -0.5 -0.2 -1.7 -2.7 -2.7 -4.1 -4.6 -5.7 -3.4 -1.0 -1.8 -4.2 -7.6 -16.4 850mb RH (%): 86 98 97 93 98 99 89 91 84 88 92 75 57 45 21 850mb Dir: 266 233 244 278 282 278 300 317 332 348 1 25 344 333 348 850mb Speed(kt): 13 19 31 23 26 21 24 19 18 21 13 3 14 12 12 800mb GPH (m): 1989 1988 1977 1965 1964 1978 1985 1986 1985 2005 2017 2021 2015 2027 2030 800mb Temp (C): -4.1 -3.3 -2.7 -3.6 -5.3 -5.5 -5.5 -6.6 -3.8 -1.7 -0.6 2.2 1.9 1.2 1.2 800mb Dewpt(C): -5.9 -3.5 -2.9 -4.1 -5.6 -5.7 -6.5 -8.1 -13.1 -5.8 -5.5 -9.1 -10.4 -11.5 -14.2 800mb RH (%): 87 98 98 97 98 98 93 89 49 74 69 43 40 38 31 800mb Dir: 259 253 245 266 277 282 293 319 349 2 22 16 348 324 338 800mb Speed(kt): 14 18 32 24 25 21 25 20 20 24 14 2 13 11 10 750mb GPH (m): 2498 2496 2486 2472 2468 2481 2488 2486 2493 2517 2532 2538 2532 2543 2546 750mb Temp (C): -3.0 -5.4 -5.2 -6.6 -8.7 -8.4 -8.9 -10.1 -5.2 -3.3 -1.9 -1.1 -1.2 -2.3 -1.3 750mb Dewpt(C): -26.9 -6.5 -5.4 -7.0 -8.9 -8.7 -9.6 -13.0 -15.1 -9.2 -12.0 -13.2 -17.0 -12.2 -6.9 750mb RH (%): 14 92 98 97 99 98 95 79 46 64 46 39 29 47 65 750mb Dir: 273 271 253 257 277 289 283 322 2 4 27 358 341 309 336 750mb Speed(kt): 22 27 31 26 26 21 27 20 24 25 14 4 11 11 14 700mb GPH (m): 3040 3037 3024 3007 2997 3013 3018 3016 3032 3059 3078 3085 3077 3086 3094 700mb Temp (C): -6.3 -6.1 -8.8 -10.2 -13.0 -11.7 -12.6 -11.7 -7.2 -6.5 -4.4 -3.9 -4.8 -6.5 -3.6 700mb Dewpt(C): -32.2 -8.6 -9.1 -11.6 -14.3 -11.8 -13.8 -32.2 -22.9 -16.0 -18.6 -20.8 -22.2 -9.4 -10.3 700mb RH (%): 11 82 97 89 90 99 91 17 28 47 32 26 24 80 60 700mb Dir: 276 267 254 247 278 296 286 329 9 2 23 6 327 309 334 700mb Speed(kt): 26 34 34 30 27 23 26 21 25 25 13 8 10 13 17 650mb GPH (m): 3616 3613 3595 3573 3559 3576 3580 3580 3606 3635 3657 3665 3655 3662 3675 650mb Temp (C): -8.7 -9.9 -11.8 -13.5 -15.7 -16.2 -15.9 -14.5 -10.6 -9.7 -8.3 -8.1 -9.3 -8.5 -7.2 650mb Dewpt(C): -25.3 -12.5 -12.3 -20.0 -25.7 -16.6 -23.1 -34.7 -31.8 -24.9 -24.1 -29.0 -23.2 -10.6 -13.9 650mb RH (%): 25 82 96 59 43 96 55 17 16 28 27 17 32 85 59 650mb Dir: 279 265 253 249 279 297 293 347 10 2 14 350 312 321 319 650mb Speed(kt): 31 36 35 33 34 28 28 21 23 27 14 10 9 19 14 600mb GPH (m): 4232 4226 4204 4179 4158 4172 4178 4182 4214 4247 4272 4280 4266 4279 4294 600mb Temp (C): -12.1 -13.7 -14.5 -15.8 -18.2 -20.6 -19.7 -17.3 -15.5 -14.2 -12.8 -12.8 -14.3 -11.9 -11.0 600mb Dewpt(C): -22.3 -16.0 -18.2 -40.6 -39.0 -25.7 -28.7 -41.8 -32.9 -33.9 -31.3 -36.8 -17.0 -16.1 -18.8 600mb RH (%): 43 83 74 11 15 64 46 11 22 18 20 12 80 71 53 600mb Dir: 281 266 264 264 277 299 299 4 6 2 11 326 311 327 309 600mb Speed(kt): 35 43 47 39 41 35 33 23 23 27 15 11 12 22 18 550mb GPH (m): 4890 4881 4859 4831 4803 4811 4819 4828 4865 4900 4929 4937 4924 4939 4956 550mb Temp (C): -17.4 -18.1 -18.3 -18.6 -21.5 -23.9 -23.4 -22.3 -20.6 -19.2 -17.6 -17.4 -16.6 -15.9 -15.0 550mb Dewpt(C): -26.5 -21.0 -21.3 -40.8 -43.7 -35.2 -35.2 -40.1 -39.6 -44.6 -41.3 -38.1 -18.4 -21.8 -21.0 550mb RH (%): 46 79 77 13 12 35 34 19 17 9 11 16 87 61 61 550mb Dir: 279 262 261 268 283 300 303 2 12 2 8 319 326 331 315 550mb Speed(kt): 38 51 58 48 47 47 45 25 23 25 17 14 26 24 25 500mb GPH (m): 5596 5585 5564 5537 5501 5501 5511 5519 5561 5601 5635 5645 5632 5651 5672 500mb Temp (C): -22.6 -23.2 -21.7 -21.1 -24.2 -27.1 -25.5 -28.1 -26.3 -23.8 -20.7 -20.8 -21.3 -20.0 -18.4 500mb Dewpt(C): -33.6 -25.9 -26.7 -30.8 -45.7 -39.8 -45.5 -43.7 -40.7 -43.3 -50.3 -24.7 -24.2 -30.5 -21.3 500mb RH (%): 37 79 65 42 13 30 15 22 26 16 6 71 77 40 78 500mb Dir: 276 261 261 268 288 301 304 349 14 5 349 327 322 334 324 500mb Speed(kt): 46 57 65 58 60 62 64 29 22 29 28 24 30 29 34 450mb GPH (m): 6362 6349 6334 6308 6264 6256 6270 6267 6314 6366 6413 6421 6403 6424 6449 450mb Temp (C): -27.1 -28.1 -25.7 -25.7 -26.8 -29.6 -28.2 -32.5 -30.9 -24.8 -21.7 -23.9 -25.8 -25.1 -24.5 450mb Dewpt(C): -40.9 -31.2 -32.0 -33.4 -42.4 -42.3 -44.8 -52.1 -49.6 -52.1 -38.9 -26.4 -29.1 -36.4 -29.2 450mb RH (%): 27 75 57 50 23 30 20 14 15 7 20 80 74 35 66 450mb Dir: 272 261 267 264 289 306 306 336 344 352 344 319 318 330 323 450mb Speed(kt): 53 58 71 62 76 83 83 41 27 53 47 29 37 41 41 400mb GPH (m): 7200 7185 7178 7151 7106 7090 7110 7094 7149 7223 7271 7271 7245 7269 7295 400mb Temp (C): -33.2 -33.3 -30.8 -31.6 -31.6 -33.0 -31.6 -33.7 -30.6 -26.2 -27.3 -28.8 -32.0 -31.1 -30.6 400mb Dewpt(C): -45.9 -36.8 -37.9 -40.9 -43.3 -45.8 -42.2 -57.8 -58.0 -40.9 -31.4 -31.8 -40.3 -37.4 -37.7 400mb RH (%): 28 71 51 41 32 28 36 8 6 25 68 76 45 55 51 400mb Dir: 278 271 270 264 289 308 309 329 341 344 339 315 319 328 325 400mb Speed(kt): 58 71 74 64 84 102 101 75 83 83 53 34 38 48 46 350mb GPH (m): 8125 8112 8112 8080 8035 8016 8039 8025 8094 8173 8223 8214 8171 8198 8232 350mb Temp (C): -38.9 -38.3 -38.0 -39.1 -38.4 -39.0 -38.9 -36.4 -32.7 -32.5 -31.2 -34.6 -39.7 -39.3 -35.7 350mb Dewpt(C): -47.4 -42.0 -44.0 -51.1 -49.6 -49.4 -47.1 -58.7 -50.6 -40.1 -34.7 -38.0 -48.7 -48.0 -39.4 350mb RH (%): 42 69 55 29 32 34 43 9 16 48 72 72 40 41 70 350mb Dir: 283 278 269 267 286 309 312 330 342 337 331 306 318 331 335 350mb Speed(kt): 79 88 74 64 79 107 106 108 122 93 68 35 37 51 67 300mb GPH (m): 9168 9156 9155 9119 9076 9057 9081 9079 9159 9242 9297 9273 9206 9237 9283 300mb Temp (C): -45.8 -45.5 -46.3 -46.4 -46.3 -45.7 -45.0 -42.3 -41.1 -40.3 -39.4 -41.9 -47.7 -46.1 -45.1 300mb Dewpt(C): -52.0 -49.3 -52.3 -58.0 -54.6 -58.6 -57.7 -63.3 -52.6 -46.2 -44.3 -46.6 -58.4 -53.5 -49.0 300mb RH (%): 51 67 52 28 40 24 25 10 30 55 61 62 30 45 66 300mb Dir: 277 279 265 267 283 310 317 333 343 335 327 294 319 331 331 300mb Speed(kt): 89 93 78 64 74 99 105 119 137 105 83 51 46 69 70 250mb GPH (m): 10357 10345 10343 10308 10267 10261 10286 10295 10376 10460 10519 10490 10391 10426 10471 250mb Temp (C): -53.9 -54.2 -53.7 -52.7 -51.8 -48.1 -49.0 -47.6 -49.3 -49.1 -48.4 -48.5 -52.7 -54.1 -55.4 250mb Dewpt(C): -59.5 -59.5 -59.6 -63.2 -64.6 -70.4 -68.3 -69.3 -62.9 -55.4 -56.2 -56.4 -67.9 -60.6 -60.4 250mb RH (%): 53 54 50 29 22 7 10 8 21 50 42 41 16 47 56 250mb Dir: 273 278 268 268 277 305 317 332 338 336 322 288 316 331 325 250mb Speed(kt): 86 91 80 64 66 75 100 108 148 121 98 75 53 76 69 200mb GPH (m): 11786 11772 11769 11748 11718 11727 11745 11758 11805 11890 11954 11927 11827 11840 11875 200mb Temp (C): -52.5 -53.4 -53.6 -51.2 -49.5 -49.6 -49.3 -49.8 -57.3 -58.9 -58.0 -56.4 -53.4 -57.4 -58.9 200mb Dewpt(C): -77.8 -83.0 -74.4 -76.9 -80.6 -80.6 -79.5 -80.3 -70.3 -66.2 -71.3 -72.9 -79.7 -74.7 -69.4 200mb RH (%): 4 2 8 4 2 2 2 2 20 41 19 13 3 11 27 200mb Dir: 267 265 272 267 282 302 317 327 334 335 319 293 311 322 335 200mb Speed(kt): 66 69 68 47 47 56 66 79 123 132 104 84 54 62 64 150mb GPH (m): 13654 13628 13630 13614 13590 13601 13620 13632 13647 13690 13745 13731 13674 13667 13684 150mb Temp (C): -50.8 -52.1 -51.9 -51.5 -51.7 -50.9 -51.7 -51.0 -53.5 -57.1 -59.6 -59.4 -53.7 -54.8 -56.3 150mb Dewpt(C): -86.1 -87.1 -86.9 -86.6 -86.8 -86.2 -86.8 -86.3 -87.5 -86.1 -83.9 -78.5 -83.7 -84.4 -85.3 150mb RH (%): 1 1 1 1 1 1 1 1 1 2 4 8 2 2 2 150mb Dir: 257 269 267 267 280 291 299 326 338 329 325 303 307 312 312 150mb Speed(kt): 52 48 45 43 40 38 42 47 48 52 51 55 45 37 36 100mb GPH (m): 16269 16254 16246 16235 16218 16233 16240 16255 16245 16262 16289 16289 16258 16263 16270 100mb Temp (C): -54.7 -52.2 -53.3 -52.1 -51.4 -52.5 -52.8 -53.2 -54.4 -55.5 -57.7 -56.2 -56.7 -56.0 -55.8 100mb Dewpt(C): -88.9 -87.1 -87.9 -87.0 -101.3 -87.3 -87.6 -87.8 -88.7 -85.1 -86.7 -90.0 -86.0 -85.4 -85.3 100mb RH (%): 1 1 1 1 0 1 1 1 1 2 2 1 2 2 2 100mb Dir: 258 256 256 267 284 282 296 311 319 340 318 304 314 295 301 100mb Speed(kt): 38 27 29 26 23 20 26 20 27 22 23 26 23 27 17