Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 22, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 989.7 989.7 986.8 987.9 989.3 991.9 991.4 992.6 993.0 992.2 988.7 987.6 986.1 985.3 988.0 Mean SLP (mb): 1014.1 1013.7 1010.4 1012.3 1013.8 1016.5 1015.4 1017.0 1017.7 1016.4 1012.4 1011.5 1010.5 1009.8 1012.5 2m agl Tmp (F): 51.9 64.8 72.2 54.4 51.1 51.4 64.0 52.1 48.5 61.3 72.1 63.6 52.1 48.5 50.9 2m agl Dewpt(F): 46.8 54.4 58.3 51.5 49.9 49.8 52.3 46.5 45.5 49.5 45.3 49.5 44.9 47.0 47.5 2m agl RH (%): 83 68 60 90 96 94 65 81 89 65 37 59 76 94 88 10m agl Dir: 82 293 310 301 284 272 298 302 318 262 257 193 199 189 222 10m agl Spd(kt): 2 5 8 4 3 3 5 4 1 2 4 5 6 8 8 6hr Precip (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 0.08 0.32 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.09 0.41 Sfc CAPE (J/kg): 0.0 0.2 69.8 1.6 5.6 14.3 0.0 0.0 1.8 0.0 0.0 0.0 0.0 22.0 214.1 Sfc CINH (J/kg): 0.0 -0.1 -38.2 0.0 0.0 0.0 0.0 0.0 -0.5 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 40.7 5.4 14.2 59.3 47.1 27.3 22.4 41.0 34.4 72.6 130.0 146.0 201.5 174.2 62.3 Precip H20 (in): 0.64 0.70 0.68 0.72 0.69 0.58 0.51 0.49 0.54 0.51 0.49 0.64 0.77 0.88 0.57 Lifted Index(C): 1.8 2.8 1.2 2.9 6.4 7.2 6.1 8.6 12.2 11.7 9.5 7.4 13.7 13.2 5.1 700mb VV(-ub/s): -0.4 -2.2 -0.6 0.6 0.8 -0.9 -2.2 -0.7 -0.3 0.1 1.3 1.7 1.4 15.8 4.6 Thk1000-500mb(m)5585.8 5584.3 5616.2 5604.6 5583.4 5575.0 5593.6 5594.1 5582.5 5595.6 5628.9 5610.9 5559.9 5493.4 5387.8 Thk1000-850mb(m)1366.4 1369.1 1383.0 1365.3 1352.4 1346.3 1361.0 1353.4 1346.3 1358.1 1378.6 1370.7 1343.6 1330.1 1326.5 Thk850-700mb(m):1593.1 1590.7 1597.7 1598.8 1593.8 1594.2 1597.6 1598.6 1592.1 1591.5 1595.0 1588.8 1579.1 1548.3 1527.8 SWEAT Index: 91.9 99.8 17.0 18.8 41.3 41.9 49.9 43.5 54.2 49.3 63.4 202.3 158.8 169.8 93.7 Total Totals Idx 46.3 46.8 35.2 36.6 38.5 38.0 28.9 35.8 26.4 19.3 23.4 35.3 25.8 29.9 43.2 Frz Hgt(ft amsl) 10970 10702 11523 11948 11560 12094 11847 11978 11619 11502 11961 11666 10244 6087 4585 0WetBlbHgt(amsl) 7591 7911 7966 7916 7426 6971 6375 7788 7748 7277 8067 7150 6005 6069 4470 Equil Prs (mb): 990 990 374 988 989 992 991 993 993 992 989 988 986 880 578 Equil Hgt(amsl): 26 26 25784 26 26 26 26 26 26 26 26 26 26 3694 14501 Hail Size(in): 0.00 0.02 0.17 0.13 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: 44.8 41.0 48.2 43.1 45.4 3.6 50.4 47.8 49.6 53.6 61.5 50.8 53.6 24.3 30.7 Showalter Index: 2.3 1.9 8.9 8.1 7.4 8.0 12.2 9.0 13.5 16.2 14.3 8.0 14.8 13.0 7.8 Cap Strength(C):-999.9 -999.9 0.0 -999.9 5.5 3.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 0.0 Storm Dir (deg): 354 350 331 306 316 320 326 312 299 284 268 260 257 250 273 Storm Spd (kts): 6 6 6 6 9 9 10 9 12 13 17 24 28 35 21 2m HeatIndex(F): 52 65 72 54 51 51 64 52 48 61 72 64 52 49 51 2m WindChill(F): 52 65 72 54 51 51 64 52 48 61 72 64 52 49 51 1000mb GPH (m): 117 116 90 102 114 136 130 141 146 137 106 98 87 81 103 950mb GPH (m): 547 550 532 531 540 561 564 569 569 568 547 535 514 505 528 950mb Temp (C): 13.3 13.1 17.9 11.6 8.0 6.9 12.8 9.5 6.6 11.7 17.9 15.6 8.4 6.7 6.6 950mb Dewpt(C): 6.4 10.5 12.7 11.0 7.8 6.8 9.3 8.2 5.8 1.9 4.5 7.7 6.6 6.5 6.1 950mb RH (%): 62 84 71 96 98 99 79 91 94 50 40 58 89 99 97 950mb Dir: 10 297 314 334 324 307 300 329 356 268 255 213 204 193 225 950mb Speed(kt): 3 4 9 9 5 3 7 9 1 2 4 15 13 17 14 900mb GPH (m): 1003 1005 991 987 990 1008 1016 1019 1017 1020 1006 991 960 947 969 900mb Temp (C): 14.1 13.5 14.9 14.0 11.5 9.9 10.6 11.0 10.6 11.2 14.2 13.0 7.9 4.2 3.1 900mb Dewpt(C): 6.6 4.6 5.2 8.3 6.2 5.5 -0.4 -2.6 -2.7 -4.8 -4.4 4.6 1.6 3.7 2.8 900mb RH (%): 60 54 51 68 69 74 46 38 39 32 27 56 64 97 98 900mb Dir: 11 65 328 331 310 326 324 329 335 302 237 220 219 212 236 900mb Speed(kt): 4 4 8 3 8 10 13 10 12 4 4 16 24 28 18 850mb GPH (m): 1484 1485 1473 1467 1467 1483 1491 1495 1492 1496 1485 1468 1431 1411 1430 850mb Temp (C): 11.2 10.9 12.5 12.1 10.5 9.3 10.3 10.6 10.1 10.2 11.9 9.4 7.2 2.6 -0.2 850mb Dewpt(C): 5.6 6.3 -2.9 -1.4 -0.4 -1.2 -10.1 -2.7 -10.0 -13.9 -11.4 5.8 -4.4 2.6 -0.8 850mb RH (%): 68 72 34 39 46 47 22 39 23 17 18 78 43 100 96 850mb Dir: 7 57 21 296 277 311 328 319 305 269 230 222 223 230 257 850mb Speed(kt): 2 2 1 2 7 9 14 12 12 9 12 21 28 31 20 800mb GPH (m): 1987 1987 1978 1972 1969 1984 1994 1998 1994 1997 1989 1969 1928 1899 1913 800mb Temp (C): 8.2 8.1 9.9 9.9 8.6 8.3 9.5 9.6 8.5 8.3 9.0 8.0 5.9 -0.3 -3.1 800mb Dewpt(C): -5.1 -6.0 -7.6 -6.4 -5.9 -9.7 -21.7 -7.2 -7.3 -10.7 -6.9 -9.6 -10.3 -0.3 -3.9 800mb RH (%): 38 36 28 31 35 27 9 29 32 25 31 27 30 99 94 800mb Dir: 102 75 186 246 258 289 322 293 280 261 235 231 221 234 263 800mb Speed(kt): 2 2 2 5 9 9 14 10 15 15 20 27 33 34 23 750mb GPH (m): 2517 2517 2510 2505 2500 2514 2526 2531 2524 2527 2519 2498 2453 2414 2421 750mb Temp (C): 5.7 5.3 5.9 6.3 6.0 6.9 6.9 7.0 5.8 5.7 5.8 4.9 3.4 -1.8 -6.2 750mb Dewpt(C): -12.3 -7.8 -8.6 -9.9 -14.4 -25.0 -11.2 -13.7 -10.2 -10.3 -8.1 -9.2 -6.6 -1.9 -6.7 750mb RH (%): 26 38 34 30 21 8 26 21 30 31 36 35 48 99 96 750mb Dir: 349 357 222 232 255 294 311 271 270 254 235 233 223 226 263 750mb Speed(kt): 3 4 3 9 11 10 11 10 17 20 26 33 40 43 23 700mb GPH (m): 3077 3075 3070 3066 3061 3077 3089 3093 3084 3087 3080 3057 3010 2959 2958 700mb Temp (C): 2.0 1.1 2.5 3.2 3.3 3.8 3.6 3.7 2.4 2.2 2.6 2.1 0.9 -4.7 -9.4 700mb Dewpt(C): -15.2 -11.6 -21.9 -20.2 -19.1 -19.3 -11.5 -20.4 -11.9 -13.9 -14.3 -14.9 -14.7 -4.7 -9.7 700mb RH (%): 27 38 15 16 18 17 32 15 34 29 27 27 30 100 98 700mb Dir: 323 327 244 242 269 299 298 259 262 250 234 233 225 222 246 700mb Speed(kt): 7 5 6 10 12 12 11 13 19 24 31 39 48 55 25 650mb GPH (m): 3669 3667 3664 3663 3656 3674 3685 3690 3678 3682 3675 3652 3600 3542 3528 650mb Temp (C): -2.5 -2.3 -0.9 -0.1 -0.9 0.1 -0.5 -0.3 -0.7 -0.9 -0.1 -0.4 -4.0 -4.8 -12.2 650mb Dewpt(C): -21.7 -25.3 -27.5 -17.4 -9.3 -23.4 -19.8 -23.7 -22.6 -15.4 -19.0 -21.8 -7.0 -4.8 -22.2 650mb RH (%): 21 16 12 26 53 15 22 15 18 33 23 18 80 100 44 650mb Dir: 316 323 268 263 276 294 282 256 252 251 235 234 223 223 243 650mb Speed(kt): 12 8 8 9 13 16 14 14 22 26 34 45 57 60 32 600mb GPH (m): 4299 4297 4298 4297 4290 4308 4319 4325 4313 4316 4312 4287 4230 4171 4134 600mb Temp (C): -5.1 -5.6 -5.0 -5.2 -4.7 -4.9 -4.7 -3.8 -4.0 -3.7 -2.2 -3.7 -4.5 -6.6 -15.8 600mb Dewpt(C): -56.0 -37.7 -16.3 -10.0 -20.1 -21.8 -23.9 -36.7 -26.5 -18.3 -28.0 -22.1 -4.5 -6.7 -35.2 600mb RH (%): 1 6 41 69 29 25 21 6 16 31 12 23 100 99 18 600mb Dir: 318 316 303 268 295 285 273 260 251 251 239 237 231 219 248 600mb Speed(kt): 17 13 9 11 15 16 17 15 24 30 36 48 56 70 34 550mb GPH (m): 4976 4973 4975 4975 4969 4985 4996 5005 4995 4998 4998 4969 4912 4844 4786 550mb Temp (C): -9.5 -10.0 -9.5 -8.9 -9.0 -10.0 -9.7 -8.4 -7.4 -7.8 -6.0 -6.4 -7.9 -10.9 -18.3 550mb Dewpt(C): -43.5 -27.0 -18.4 -25.4 -24.6 -27.2 -31.7 -36.5 -28.6 -17.6 -21.1 -30.6 -8.1 -14.5 -43.2 550mb RH (%): 5 24 48 25 28 24 15 9 17 45 30 13 99 75 10 550mb Dir: 313 310 310 278 297 278 270 265 258 247 244 233 237 216 245 550mb Speed(kt): 20 16 12 11 20 17 19 16 25 32 39 48 54 75 42 500mb GPH (m): 5703 5700 5706 5707 5698 5711 5724 5735 5728 5733 5735 5709 5647 5574 5491 500mb Temp (C): -14.7 -14.8 -12.8 -12.9 -14.2 -15.0 -14.4 -14.0 -13.1 -11.5 -11.4 -10.0 -11.5 -12.4 -22.1 500mb Dewpt(C): -30.3 -20.8 -34.8 -43.2 -26.7 -27.8 -48.2 -31.8 -19.2 -25.7 -27.8 -35.0 -16.5 -25.3 -46.2 500mb RH (%): 26 60 15 6 34 33 4 21 61 30 25 11 67 34 10 500mb Dir: 315 307 314 297 297 275 278 275 265 251 242 228 236 220 233 500mb Speed(kt): 22 20 16 15 26 23 21 20 30 31 39 52 51 76 54 450mb GPH (m): 6491 6490 6502 6500 6488 6500 6513 6526 6521 6533 6536 6510 6449 6372 6258 450mb Temp (C): -20.4 -19.0 -18.1 -19.0 -19.8 -20.3 -19.9 -19.9 -18.9 -15.7 -16.0 -16.5 -15.9 -17.5 -26.8 450mb Dewpt(C): -28.1 -29.3 -43.9 -32.5 -29.2 -30.9 -45.8 -33.6 -27.3 -35.2 -37.4 -33.9 -35.0 -34.2 -50.1 450mb RH (%): 51 41 9 30 44 39 9 29 48 18 15 21 18 23 10 450mb Dir: 317 318 310 282 286 274 284 271 273 260 241 228 236 225 225 450mb Speed(kt): 25 23 18 21 31 25 24 25 34 32 38 49 52 81 61 400mb GPH (m): 7353 7358 7369 7365 7351 7361 7374 7388 7389 7411 7411 7386 7324 7242 7099 400mb Temp (C): -26.1 -24.2 -24.4 -25.1 -25.5 -26.4 -26.5 -26.2 -24.4 -22.1 -22.0 -21.2 -22.6 -24.2 -31.3 400mb Dewpt(C): -34.6 -41.6 -41.7 -33.0 -30.6 -40.7 -43.9 -47.0 -46.0 -46.9 -45.0 -43.6 -33.6 -39.2 -56.6 400mb RH (%): 46 19 20 48 63 26 19 13 13 9 11 12 37 25 7 400mb Dir: 320 329 311 283 283 270 271 267 273 267 250 233 232 225 218 400mb Speed(kt): 31 30 24 26 36 28 25 29 27 42 38 51 54 83 70 350mb GPH (m): 8308 8316 8327 8321 8305 8311 8323 8337 8345 8372 8378 8355 8287 8198 8034 350mb Temp (C): -31.3 -31.2 -31.4 -31.8 -32.8 -33.6 -34.1 -34.1 -32.6 -31.4 -29.9 -29.2 -30.5 -31.5 -35.3 350mb Dewpt(C): -40.0 -42.0 -43.7 -38.1 -40.3 -39.3 -45.5 -50.9 -45.0 -40.7 -43.9 -43.9 -34.6 -43.9 -63.5 350mb RH (%): 44 35 30 55 48 58 32 18 30 41 26 24 68 30 5 350mb Dir: 323 316 306 286 276 269 267 257 269 249 255 232 225 229 217 350mb Speed(kt): 42 37 34 30 39 37 33 26 13 38 45 50 55 88 79 300mb GPH (m): 9382 9389 9400 9392 9371 9373 9382 9395 9411 9445 9455 9435 9364 9271 9100 300mb Temp (C): -39.6 -40.0 -39.4 -39.7 -41.2 -42.1 -43.2 -43.4 -41.7 -40.3 -39.4 -38.0 -39.1 -39.8 -38.9 300mb Dewpt(C): -48.9 -49.4 -46.7 -45.3 -47.8 -46.0 -55.2 -48.8 -45.9 -46.8 -48.1 -43.8 -43.2 -51.0 -70.0 300mb RH (%): 38 37 47 56 50 67 27 57 65 51 41 56 66 31 3 300mb Dir: 329 319 304 289 275 269 272 279 312 287 241 233 224 223 221 300mb Speed(kt): 47 42 43 38 44 42 39 44 39 27 29 45 58 87 78 250mb GPH (m): 10602 10609 10622 10615 10585 10580 10581 10593 10615 10657 10679 10662 10585 10489 10338 250mb Temp (C): -49.3 -49.1 -49.0 -48.7 -49.8 -51.8 -53.2 -53.8 -52.9 -51.3 -48.6 -49.3 -49.8 -49.6 -43.1 250mb Dewpt(C): -57.1 -58.2 -55.1 -54.5 -54.6 -56.6 -61.8 -63.2 -58.0 -57.3 -52.3 -52.9 -54.2 -57.3 -77.4 250mb RH (%): 42 36 51 52 58 58 37 33 56 50 67 68 62 42 2 250mb Dir: 329 323 305 284 270 260 263 283 320 301 276 243 223 223 221 250mb Speed(kt): 58 52 51 49 50 48 48 44 34 28 33 48 59 82 61 200mb GPH (m): 12028 12036 12048 12043 12011 11996 11994 11995 12018 12066 12098 12080 12002 11921 11827 200mb Temp (C): -59.4 -60.1 -60.0 -59.7 -59.2 -59.6 -59.1 -60.7 -62.9 -62.7 -62.5 -62.0 -61.0 -57.7 -46.7 200mb Dewpt(C): -67.0 -68.6 -67.1 -64.5 -65.6 -66.1 -69.1 -69.7 -67.6 -67.9 -65.7 -66.2 -66.0 -66.7 -84.9 200mb RH (%): 39 35 42 56 46 45 29 32 55 52 67 59 54 33 1 200mb Dir: 322 317 304 285 266 256 263 273 331 318 284 246 230 216 228 200mb Speed(kt): 59 54 57 50 52 69 60 41 25 33 40 41 56 63 47 150mb GPH (m): 13819 13818 13834 13826 13795 13782 13787 13788 13789 13816 13836 13827 13771 13732 13706 150mb Temp (C): -60.4 -62.1 -61.3 -61.9 -62.2 -60.7 -59.1 -58.7 -60.3 -63.2 -66.2 -64.1 -60.6 -54.4 -51.9 150mb Dewpt(C): -76.8 -77.3 -78.4 -75.8 -76.2 -77.5 -80.3 -81.4 -84.0 -81.0 -74.7 -75.4 -80.1 -88.5 -86.9 150mb RH (%): 12 14 11 17 16 11 6 5 4 9 33 23 8 1 1 150mb Dir: 315 319 309 279 265 260 260 270 287 283 279 257 244 245 250 150mb Speed(kt): 40 42 36 33 37 52 47 42 33 24 27 34 37 35 41 100mb GPH (m): 16352 16351 16361 16356 16326 16327 16342 16343 16335 16347 16365 16358 16324 16323 16331 100mb Temp (C): -59.9 -58.7 -59.3 -59.1 -58.1 -57.8 -57.3 -57.4 -57.4 -57.8 -57.1 -57.4 -56.4 -54.6 -53.2 100mb Dewpt(C): -91.8 -91.8 -92.0 -91.9 -87.0 -86.7 -90.8 -86.5 -86.5 -86.8 -90.6 -86.5 -85.7 -84.4 -87.8 100mb RH (%): 1 1 1 1 2 2 1 2 2 2 1 2 2 2 1 100mb Dir: 324 314 305 285 258 251 257 266 259 259 252 249 251 246 259 100mb Speed(kt): 17 14 14 14 17 20 21 21 17 19 19 21 20 21 17