Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z MAY 23, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 986.4 987.2 988.8 991.6 991.5 993.2 993.5 992.2 989.0 987.5 986.1 986.1 988.5 990.9 991.9 Mean SLP (mb): 1009.8 1011.3 1013.3 1016.1 1015.5 1017.7 1018.3 1016.5 1012.6 1011.5 1010.5 1010.5 1013.0 1015.6 1016.8 2m agl Tmp (F): 77.6 57.7 52.1 53.2 64.3 51.8 44.5 60.7 71.5 63.7 52.8 51.2 51.1 47.6 45.7 2m agl Dewpt(F): 57.3 54.0 50.6 50.0 52.9 45.6 44.0 47.8 46.9 48.8 42.0 46.5 46.4 43.2 44.6 2m agl RH (%): 48 87 94 88 66 79 98 62 40 57 66 84 84 84 96 10m agl Dir: 308 301 287 275 300 308 89 260 261 180 180 203 222 219 211 10m agl Spd(kt): 7 4 3 3 6 4 0 2 4 4 5 9 8 7 6 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 0.01 0.21 0.06 0.06 AccumPrecip(in): 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.02 0.23 0.29 0.35 Sfc CAPE (J/kg): 205.9 0.0 4.9 10.3 0.0 0.0 0.9 0.0 0.0 0.0 0.0 15.2 164.0 47.3 47.5 Sfc CINH (J/kg): -8.1 0.0 0.0 -0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -0.3 0.0 0-3km Hel(J/kg): 12.0 68.4 53.2 40.6 20.8 21.5 19.4 55.4 103.7 127.4 177.6 194.3 33.3 107.8 96.4 Precip H20 (in): 0.78 0.77 0.75 0.57 0.50 0.51 0.51 0.48 0.53 0.63 0.61 0.79 0.53 0.63 0.62 Lifted Index(C): -0.4 1.8 3.6 6.9 5.1 7.9 11.0 12.5 9.4 8.2 15.9 14.4 8.1 7.4 4.1 700mb VV(-ub/s): 0.5 -0.5 0.6 -0.9 -0.9 0.0 -2.3 -0.6 0.7 1.0 4.5 7.8 1.6 0.3 -0.9 Thk1000-500mb(m)5623.5 5607.5 5576.0 5568.6 5591.7 5583.5 5578.9 5598.5 5625.2 5613.5 5566.3 5503.7 5401.4 5375.5 5361.1 Thk1000-850mb(m)1392.5 1373.0 1355.5 1347.3 1360.6 1350.7 1344.1 1357.6 1376.9 1370.9 1349.2 1333.1 1326.8 1321.7 1319.7 Thk850-700mb(m):1594.4 1596.4 1589.2 1591.1 1594.9 1593.7 1590.2 1590.8 1592.9 1588.4 1578.2 1550.5 1526.9 1524.7 1524.3 SWEAT Index: 25.6 46.3 76.0 46.2 39.4 45.9 51.7 45.8 65.3 121.8 150.1 129.3 118.5 56.3 44.1 Total Totals Idx 40.3 40.8 43.4 40.2 26.9 36.9 32.6 23.0 24.3 31.2 23.2 24.1 37.2 42.8 49.1 Frz Hgt(ft amsl) 11789 11915 11459 11761 11959 12277 11915 11921 12164 11341 9799 6668 4626 4413 4360 0WetBlbHgt(amsl) 8135 7869 7481 6253 6832 7527 7693 6259 7938 7811 5978 4914 4407 4368 4290 Equil Prs (mb): 323 987 989 992 992 993 993 992 989 988 986 986 629 668 678 Equil Hgt(amsl): 29179 26 26 26 26 26 26 26 26 26 26 26 12397 10939 10581 Hail Size(in): 0.09 0.16 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: 49.7 42.8 10.8 48.2 49.0 49.7 50.6 55.3 58.5 48.3 58.9 39.6 30.4 22.5 19.7 Showalter Index: 5.9 5.6 4.5 6.7 12.7 8.7 10.9 15.2 14.4 11.1 15.9 16.7 10.9 8.2 5.1 Cap Strength(C): 0.0 -999.9 5.6 3.5 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 -0.6 -0.4 Storm Dir (deg): 322 309 318 332 336 321 300 282 268 260 253 249 258 296 309 Storm Spd (kts): 6 7 10 9 8 9 11 11 16 22 28 34 27 13 10 2m HeatIndex(F): 78 58 52 53 64 52 45 61 71 64 53 51 51 48 46 2m WindChill(F): 78 58 52 53 64 52 45 61 71 64 53 51 51 48 46 1000mb GPH (m): 85 95 110 133 131 147 149 138 109 97 87 87 108 128 137 950mb GPH (m): 531 528 536 559 566 574 572 568 549 535 515 513 533 551 558 950mb Temp (C): 20.4 13.8 8.6 8.0 12.8 9.1 7.5 11.5 17.4 16.0 10.2 7.1 7.0 5.6 5.1 950mb Dewpt(C): 12.2 12.3 8.4 7.7 9.7 7.4 5.2 1.2 5.3 8.3 2.6 6.8 6.0 4.8 4.9 950mb RH (%): 58 91 99 98 81 89 85 49 44 59 59 98 94 95 98 950mb Dir: 312 332 323 300 302 331 284 255 262 211 201 201 224 230 234 950mb Speed(kt): 8 12 7 4 7 11 1 2 5 14 14 13 12 15 14 900mb GPH (m): 994 986 987 1006 1017 1023 1020 1020 1007 991 964 955 974 991 998 900mb Temp (C): 16.5 15.1 12.1 10.0 10.2 10.4 10.1 11.4 13.8 12.9 9.7 5.2 3.1 2.4 2.2 900mb Dewpt(C): 6.7 7.8 8.0 3.4 1.1 -2.5 -1.0 -2.5 -0.1 3.8 -3.1 0.8 2.8 2.1 1.7 900mb RH (%): 52 61 75 63 53 40 46 37 38 53 40 73 98 98 97 900mb Dir: 314 355 304 321 311 331 336 311 251 215 213 216 232 244 268 900mb Speed(kt): 9 5 8 11 11 14 12 4 7 15 22 23 15 17 13 850mb GPH (m): 1478 1468 1465 1481 1492 1498 1493 1495 1485 1468 1437 1420 1435 1450 1457 850mb Temp (C): 13.2 12.1 10.4 8.8 9.9 9.3 8.9 9.8 11.2 9.2 8.2 3.2 -0.2 -0.7 -0.8 850mb Dewpt(C): 0.4 1.8 2.9 0.9 -13.0 -2.2 -1.8 -10.4 -9.0 0.6 -6.2 -3.4 -1.3 -0.9 -1.0 850mb RH (%): 41 49 59 57 18 44 47 23 23 55 35 61 92 99 98 850mb Dir: 302 300 293 297 325 316 320 275 241 225 220 229 260 260 275 850mb Speed(kt): 2 5 8 10 14 15 14 8 14 18 26 28 17 18 14 800mb GPH (m): 1982 1972 1967 1980 1994 1999 1994 1996 1988 1969 1934 1909 1917 1932 1938 800mb Temp (C): 8.5 8.7 6.9 7.8 8.9 8.2 7.7 8.2 8.5 7.6 6.0 0.6 -3.3 -3.3 -3.7 800mb Dewpt(C): -3.1 -2.7 -0.3 -17.4 -15.5 -5.3 -6.4 -15.6 -8.4 -7.0 -10.8 -4.6 -4.6 -3.5 -3.9 800mb RH (%): 43 44 60 15 16 37 36 17 29 34 29 68 90 99 98 800mb Dir: 202 278 276 297 320 305 292 259 238 234 224 224 258 272 287 800mb Speed(kt): 2 6 10 12 14 13 15 13 20 27 32 33 22 20 15 750mb GPH (m): 2512 2503 2495 2510 2525 2529 2523 2526 2518 2497 2460 2425 2425 2439 2445 750mb Temp (C): 5.3 6.4 5.0 6.5 6.6 6.4 5.6 5.7 5.6 5.1 3.0 -1.8 -6.4 -6.7 -6.5 750mb Dewpt(C): -6.8 -12.0 -15.7 -23.5 -11.1 -16.0 -10.1 -12.6 -7.9 -7.4 -3.2 -5.4 -6.7 -6.9 -6.7 750mb RH (%): 41 25 21 10 27 18 31 25 37 40 64 76 98 98 98 750mb Dir: 220 253 277 314 306 286 277 249 235 236 226 220 244 271 296 750mb Speed(kt): 4 8 12 13 12 11 16 17 25 33 38 46 26 21 15 700mb GPH (m): 3072 3064 3055 3072 3087 3091 3084 3086 3078 3057 3015 2971 2962 2974 2981 700mb Temp (C): 2.4 3.6 2.7 3.3 3.5 3.5 2.7 2.7 2.6 1.8 -0.2 -4.7 -8.9 -10.0 -10.2 700mb Dewpt(C): -14.1 -20.3 -15.9 -16.6 -12.3 -17.9 -13.6 -12.8 -11.8 -11.2 -8.1 -4.9 -16.0 -10.4 -11.2 700mb RH (%): 28 16 24 22 30 19 29 31 34 37 55 98 57 97 92 700mb Dir: 243 251 278 311 299 269 262 245 234 234 226 218 234 278 301 700mb Speed(kt): 7 10 14 14 13 13 19 20 29 38 45 59 32 22 16 650mb GPH (m): 3667 3661 3650 3668 3683 3688 3679 3682 3674 3650 3605 3555 3532 3542 3549 650mb Temp (C): -0.3 -0.2 -1.0 -0.5 -0.2 0.4 -0.2 -0.2 0.1 -0.9 -2.4 -3.9 -11.7 -13.0 -12.9 650mb Dewpt(C): -19.5 -19.0 -14.7 -18.6 -23.1 -27.5 -24.6 -17.0 -17.4 -15.6 -17.6 -4.0 -36.4 -14.5 -17.1 650mb RH (%): 22 23 35 24 16 10 14 27 26 32 30 100 11 88 71 650mb Dir: 276 259 279 302 296 261 249 245 235 235 225 218 236 292 287 650mb Speed(kt): 7 11 15 15 13 12 22 22 31 41 53 65 41 22 13 600mb GPH (m): 4302 4295 4282 4300 4317 4324 4314 4318 4311 4286 4236 4184 4141 4148 4153 600mb Temp (C): -4.6 -4.9 -4.9 -5.6 -4.6 -3.9 -3.8 -2.9 -2.5 -2.6 -4.9 -6.9 -13.8 -16.5 -18.0 600mb Dewpt(C): -18.2 -12.9 -23.9 -20.0 -33.3 -26.8 -31.2 -23.8 -24.9 -27.8 -21.4 -7.1 -46.3 -17.0 -18.4 600mb RH (%): 34 54 21 31 9 15 10 19 16 13 26 98 5 96 97 600mb Dir: 288 261 286 287 295 263 245 244 234 233 223 219 224 299 288 600mb Speed(kt): 10 12 17 15 11 13 23 24 33 43 57 70 59 18 10 550mb GPH (m): 4980 4973 4960 4976 4995 5003 4995 5001 4997 4972 4916 4858 4797 4799 4800 550mb Temp (C): -9.8 -9.4 -9.9 -10.2 -9.3 -9.4 -7.9 -7.1 -6.3 -5.5 -7.6 -9.9 -16.6 -19.0 -20.6 550mb Dewpt(C): -15.9 -20.5 -23.6 -24.2 -42.9 -33.2 -34.3 -25.1 -29.1 -32.3 -18.7 -14.9 -42.8 -23.0 -24.2 550mb RH (%): 61 40 32 31 5 13 10 23 15 10 41 67 9 71 73 550mb Dir: 298 264 291 291 306 264 252 249 235 230 224 219 225 272 292 550mb Speed(kt): 12 11 20 14 9 14 23 27 36 44 58 73 66 14 13 500mb GPH (m): 5709 5702 5686 5702 5723 5731 5728 5736 5734 5711 5654 5591 5509 5504 5498 500mb Temp (C): -13.4 -13.4 -15.1 -15.2 -15.0 -14.9 -12.8 -11.8 -11.0 -10.7 -10.6 -12.1 -19.3 -22.2 -25.5 500mb Dewpt(C): -32.6 -32.3 -24.2 -32.4 -36.0 -38.9 -37.8 -30.7 -33.3 -38.6 -21.2 -22.1 -39.1 -29.4 -30.8 500mb RH (%): 19 19 46 22 16 12 11 20 15 9 42 44 16 53 62 500mb Dir: 307 285 290 306 299 277 264 253 241 228 227 219 214 255 287 500mb Speed(kt): 16 14 24 14 11 16 23 30 37 46 59 73 85 20 15 450mb GPH (m): 6502 6495 6475 6489 6510 6517 6524 6534 6534 6513 6453 6387 6287 6269 6253 450mb Temp (C): -18.6 -19.0 -19.7 -20.5 -20.9 -20.7 -17.8 -17.4 -16.2 -15.8 -17.8 -18.0 -22.8 -27.9 -31.4 450mb Dewpt(C): -37.7 -31.8 -29.3 -45.4 -40.6 -32.9 -42.4 -42.4 -38.6 -54.9 -24.8 -33.6 -40.7 -37.6 -35.3 450mb RH (%): 18 32 43 10 16 34 10 10 13 2 55 25 19 40 69 450mb Dir: 304 276 286 302 276 291 275 262 249 226 221 224 210 242 273 450mb Speed(kt): 14 21 29 17 14 22 29 35 38 50 62 75 91 21 16 400mb GPH (m): 7367 7361 7339 7351 7368 7377 7390 7404 7409 7388 7324 7256 7142 7102 7075 400mb Temp (C): -25.0 -24.9 -25.4 -25.9 -26.9 -27.1 -25.6 -24.0 -22.7 -22.8 -23.0 -24.0 -27.7 -34.3 -36.5 400mb Dewpt(C): -36.5 -32.3 -35.9 -56.8 -48.8 -35.9 -47.0 -30.9 -31.9 -37.2 -25.3 -39.5 -47.6 -45.9 -46.5 400mb RH (%): 34 51 38 4 12 44 13 54 44 27 82 24 14 31 36 400mb Dir: 305 280 280 294 266 298 271 263 259 233 226 224 212 236 262 400mb Speed(kt): 21 25 33 20 21 26 30 31 40 46 60 78 95 22 18 350mb GPH (m): 8325 8317 8292 8301 8316 8322 8341 8363 8373 8353 8288 8213 8087 8025 7993 350mb Temp (C): -31.1 -31.8 -32.5 -33.7 -34.2 -34.7 -33.9 -31.7 -30.1 -29.7 -30.3 -32.3 -34.5 -38.9 -39.6 350mb Dewpt(C): -38.5 -37.8 -40.7 -51.7 -44.9 -43.7 -41.9 -40.6 -34.5 -37.8 -34.1 -43.3 -45.9 -57.7 -58.9 350mb RH (%): 49 57 45 16 34 41 46 42 66 46 70 34 32 13 12 350mb Dir: 302 283 273 279 264 280 273 270 260 234 225 227 213 223 256 350mb Speed(kt): 34 30 39 19 31 32 31 27 33 41 53 77 104 27 19 300mb GPH (m): 9400 9389 9360 9361 9375 9378 9400 9433 9448 9431 9363 9282 9151 9074 9045 300mb Temp (C): -39.3 -39.8 -40.7 -42.6 -42.5 -44.0 -43.4 -40.7 -39.8 -39.1 -39.7 -40.2 -40.1 -41.6 -40.1 300mb Dewpt(C): -44.2 -45.5 -46.9 -49.4 -49.0 -52.2 -47.5 -46.3 -52.9 -51.7 -43.4 -51.8 -56.0 -65.3 -68.6 300mb RH (%): 60 56 53 49 51 41 65 56 25 27 69 30 18 7 4 300mb Dir: 301 288 272 272 269 282 303 292 268 218 218 222 219 217 278 300mb Speed(kt): 43 37 43 32 38 35 34 28 22 32 56 79 102 33 18 250mb GPH (m): 10622 10610 10576 10568 10581 10575 10599 10644 10665 10651 10581 10499 10378 10308 10284 250mb Temp (C): -49.1 -49.0 -49.9 -51.4 -51.9 -52.9 -53.4 -52.0 -50.7 -49.4 -50.3 -50.2 -45.9 -42.7 -42.1 250mb Dewpt(C): -55.7 -53.9 -54.2 -57.9 -58.2 -60.4 -58.6 -57.4 -61.2 -54.8 -55.7 -56.7 -70.8 -80.9 -74.8 250mb RH (%): 48 58 62 48 49 42 55 54 30 55 55 48 5 1 2 250mb Dir: 304 285 269 264 268 263 330 302 313 223 220 225 222 219 290 250mb Speed(kt): 49 46 50 46 47 47 41 33 15 25 58 80 82 37 19 200mb GPH (m): 12046 12037 11999 11987 11992 11988 11997 12047 12077 12070 11997 11926 11849 11799 11783 200mb Temp (C): -60.7 -59.9 -59.7 -58.7 -61.3 -59.2 -61.5 -63.4 -62.8 -62.5 -61.4 -57.7 -50.1 -46.2 -44.8 200mb Dewpt(C): -66.3 -65.8 -66.3 -68.0 -68.9 -68.6 -69.5 -69.0 -68.1 -66.2 -65.5 -68.6 -80.8 -82.9 -81.9 200mb RH (%): 50 48 45 32 39 31 36 50 51 63 60 26 2 1 1 200mb Dir: 299 286 267 257 257 264 310 306 327 259 227 223 210 240 296 200mb Speed(kt): 56 55 57 62 54 47 37 20 29 34 51 60 64 32 20 150mb GPH (m): 13822 13820 13789 13787 13785 13789 13783 13807 13825 13817 13761 13728 13707 13693 13683 150mb Temp (C): -61.2 -61.0 -60.1 -59.8 -59.3 -58.8 -59.5 -60.8 -63.7 -62.4 -61.0 -54.0 -52.8 -49.3 -49.6 150mb Dewpt(C): -76.1 -76.9 -77.7 -78.1 -81.6 -81.4 -82.1 -83.0 -81.5 -78.1 -79.5 -88.4 -87.6 -85.1 -85.3 150mb RH (%): 14 13 10 9 5 5 5 5 9 13 9 1 1 1 1 150mb Dir: 307 297 266 261 256 265 282 286 277 243 239 236 247 275 300 150mb Speed(kt): 39 36 38 43 45 40 32 28 23 28 40 32 45 24 17 100mb GPH (m): 16355 16351 16326 16336 16340 16342 16334 16349 16359 16361 16317 16319 16328 16325 16314 100mb Temp (C): -59.3 -59.7 -58.4 -58.0 -57.5 -57.5 -57.3 -57.7 -57.0 -56.7 -56.4 -54.8 -53.2 -53.3 -51.8 100mb Dewpt(C): -87.7 -88.2 -91.5 -91.3 -90.9 -90.9 -90.8 -86.7 -90.6 -90.3 -90.1 -89.0 -83.3 -87.9 -86.7 100mb RH (%): 2 2 1 1 1 1 1 2 1 1 1 1 2 1 1 100mb Dir: 292 287 270 240 251 262 265 258 250 251 244 236 258 265 325 100mb Speed(kt): 15 15 14 19 21 21 14 20 16 20 19 20 15 13 10