Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z MAY 28, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 984.6 983.7 984.2 984.2 981.6 986.6 988.9 993.1 996.1 999.3 1000.2 1001.3 999.7 1001.6 1003.2 Mean SLP (mb): 1008.1 1007.6 1008.3 1007.9 1005.1 1010.8 1013.4 1017.7 1020.6 1024.3 1025.4 1026.3 1024.2 1026.6 1028.4 2m agl Tmp (F): 75.5 62.4 55.8 67.6 74.1 55.6 51.4 52.5 56.0 46.2 43.8 47.9 58.4 48.2 42.7 2m agl Dewpt(F): 59.2 56.2 55.7 59.6 60.1 48.0 48.0 44.4 41.0 36.4 36.0 37.5 41.9 40.3 38.9 2m agl RH (%): 56 80 100 75 60 75 88 73 56 68 74 67 53 74 86 10m agl Dir: 316 314 79 260 302 227 263 281 296 310 299 294 305 295 288 10m agl Spd(kt): 8 4 2 4 10 8 6 7 10 6 4 5 8 5 3 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.07 0.07 0.07 0.08 0.08 0.08 0.08 0.08 Sfc CAPE (J/kg): 20.0 0.0 3.4 0.0 405.7 0.2 23.1 36.7 6.8 6.7 9.6 10.5 9.0 0.0 0.0 Sfc CINH (J/kg): -26.7 0.0 -4.0 -96.3 -191.0 0.0 0.0 0.0 0.0 -0.5 0.0 0.0 0.0 0.0 -0.5 0-3km Hel(J/kg): 31.4 138.6 39.1 32.7 85.2 64.9 22.3 -6.3 18.7 -19.1 -12.4 -8.9 20.6 32.4 2.0 Precip H20 (in): 1.17 1.08 1.11 1.08 1.06 0.99 0.90 0.76 0.35 0.29 0.32 0.35 0.41 0.39 0.37 Lifted Index(C): 0.7 -0.2 -1.0 -2.8 -2.6 6.4 10.6 12.0 12.1 15.6 16.4 13.3 8.0 9.6 12.4 700mb VV(-ub/s): -0.3 0.8 -2.3 -2.5 1.5 7.0 2.2 0.4 -1.6 -0.8 -0.9 -0.8 -0.6 -1.2 -0.8 Thk1000-500mb(m)5659.1 5671.1 5649.6 5655.5 5669.5 5589.5 5538.3 5499.8 5486.8 5466.6 5448.3 5446.3 5471.2 5470.7 5461.6 Thk1000-850mb(m)1389.3 1385.9 1378.9 1382.2 1389.4 1349.7 1334.3 1325.6 1330.4 1315.4 1308.9 1313.3 1334.8 1327.3 1318.5 Thk850-700mb(m):1603.6 1617.9 1617.6 1618.9 1621.7 1596.0 1577.0 1561.2 1547.8 1544.9 1546.1 1548.6 1552.0 1556.7 1556.4 SWEAT Index: 111.8 165.2 158.8 206.3 201.3 60.4 41.6 36.4 47.7 47.2 49.2 49.1 40.3 26.2 44.1 Total Totals Idx 42.4 47.8 50.2 52.6 51.9 40.6 33.1 30.0 18.0 20.7 20.6 28.6 34.9 32.6 31.5 Frz Hgt(ft amsl) 12947 13321 12672 12857 13092 12111 10548 8759 6928 3342 2927 3380 7920 8577 8377 0WetBlbHgt(amsl) 11140 10101 10805 9849 9920 10130 8598 4365 4062 3171 2788 3222 4592 4455 4143 Equil Prs (mb): 260 984 984 300 245 987 884 839 996 999 1000 1001 1000 1002 1003 Equil Hgt(amsl): 34084 26 26 30833 35130 26 3693 5178 26 26 26 26 26 26 26 Hail Size(in): -0.13 0.43 0.23 0.50 0.60 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 41.6 41.8 41.5 44.4 52.6 42.4 5.2 22.9 35.1 20.9 18.6 19.5 27.7 40.6 45.0 Showalter Index: 3.7 -0.3 -1.1 -2.4 -1.8 6.1 11.4 14.5 18.1 17.2 17.6 14.8 11.8 12.6 13.0 Cap Strength(C): -0.1 -999.9 -999.9 2.3 3.1 -999.9 2.2 -999.9 -999.9 4.3 4.2 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 46 115 131 155 43 334 347 329 319 327 325 324 330 345 341 Storm Spd (kts): 8 10 7 5 9 8 11 10 12 10 8 7 7 7 8 2m HeatIndex(F): 75 62 56 68 74 56 51 53 56 46 44 48 58 48 43 2m WindChill(F): 75 62 56 68 74 56 51 53 56 46 44 48 58 48 43 1000mb GPH (m): 70 64 70 68 44 91 111 147 171 198 206 214 201 218 230 950mb GPH (m): 514 502 503 506 488 520 537 571 598 618 623 633 629 640 647 950mb Temp (C): 19.6 16.9 15.2 15.1 19.5 9.9 7.5 6.8 7.9 3.5 2.2 3.3 9.0 6.8 3.8 950mb Dewpt(C): 13.4 12.8 12.6 13.6 13.9 8.3 7.2 5.2 3.2 1.8 1.5 1.6 3.4 3.7 2.7 950mb RH (%): 67 76 84 91 70 89 98 90 71 88 95 88 68 80 92 950mb Dir: 329 346 22 262 306 232 279 284 298 320 315 303 309 322 333 950mb Speed(kt): 11 13 2 4 14 11 11 9 13 11 8 6 11 16 10 900mb GPH (m): 976 963 963 965 950 967 980 1012 1040 1053 1056 1069 1074 1082 1086 900mb Temp (C): 15.0 16.9 16.1 15.7 15.1 7.8 4.5 2.9 3.5 -0.3 -1.3 -0.3 4.6 4.0 2.8 900mb Dewpt(C): 12.2 11.7 11.7 11.1 12.4 6.6 4.3 1.4 2.1 -1.0 -2.0 -0.9 2.6 2.3 -0.7 900mb RH (%): 83 71 75 74 83 92 98 90 90 95 95 96 87 88 77 900mb Dir: 334 47 1 320 315 273 303 300 299 333 337 335 314 350 340 900mb Speed(kt): 12 11 4 5 16 10 18 13 12 11 11 9 12 13 13 850mb GPH (m): 1459 1450 1449 1450 1433 1440 1445 1472 1502 1514 1515 1527 1536 1545 1548 850mb Temp (C): 12.7 15.0 15.2 14.7 14.6 9.9 5.1 0.7 2.1 1.7 0.8 0.9 1.5 2.1 2.7 850mb Dewpt(C): 6.8 10.3 8.9 9.5 8.4 1.8 -1.5 -3.1 -17.6 -16.6 -16.5 -10.8 -6.0 -9.2 -9.9 850mb RH (%): 67 73 65 70 66 57 62 76 22 24 26 41 57 43 39 850mb Dir: 359 88 61 4 336 313 302 285 308 318 332 344 332 340 336 850mb Speed(kt): 7 12 5 2 14 16 18 13 15 16 16 17 14 9 17 800mb GPH (m): 1965 1961 1959 1961 1944 1943 1940 1962 1989 1999 2000 2014 2024 2034 2038 800mb Temp (C): 9.1 12.0 11.5 12.1 12.3 8.3 4.9 2.9 0.6 -0.4 0.2 0.8 1.6 2.4 2.1 800mb Dewpt(C): 5.6 6.1 5.7 7.0 5.8 -0.2 -3.1 -17.2 -17.6 -23.3 -26.6 -30.5 -34.6 -37.1 -30.3 800mb RH (%): 78 66 67 71 64 55 56 21 24 16 12 8 5 4 7 800mb Dir: 27 79 61 37 344 316 308 304 314 314 322 339 349 328 334 800mb Speed(kt): 8 17 10 5 12 18 20 20 17 16 15 14 8 9 16 750mb GPH (m): 2498 2499 2496 2499 2484 2474 2465 2481 2504 2513 2515 2530 2541 2552 2555 750mb Temp (C): 7.0 8.8 9.3 9.8 10.8 5.7 3.5 0.4 -1.9 -2.0 -1.7 -1.0 -0.5 0.2 0.0 750mb Dewpt(C): 1.5 1.1 -0.2 0.4 -3.0 2.0 -2.3 -1.9 -28.2 -37.5 -29.6 -36.0 -40.8 -34.1 -32.6 750mb RH (%): 68 58 51 51 37 77 65 85 12 5 10 5 3 6 7 750mb Dir: 38 80 90 97 0 311 317 300 314 317 327 328 333 324 328 750mb Speed(kt): 11 15 7 2 10 16 17 17 18 16 14 10 8 8 13 700mb GPH (m): 3063 3068 3066 3069 3055 3036 3022 3033 3050 3059 3061 3076 3088 3102 3105 700mb Temp (C): 4.5 6.7 7.1 6.9 7.7 3.8 0.9 -0.7 -3.2 -3.2 -3.3 -4.0 -3.4 -1.7 -2.0 700mb Dewpt(C): -0.7 -7.5 -4.1 -10.9 -10.8 -3.1 -4.2 -5.7 -31.4 -40.7 -38.3 -34.7 -34.7 -34.5 -34.1 700mb RH (%): 68 35 44 27 25 60 68 69 10 4 5 7 7 6 7 700mb Dir: 24 97 119 126 33 316 331 290 289 313 321 304 318 314 310 700mb Speed(kt): 10 14 11 2 8 12 14 15 17 13 9 7 7 7 10 650mb GPH (m): 3663 3672 3670 3671 3660 3635 3616 3622 3633 3643 3643 3657 3671 3687 3690 650mb Temp (C): 1.2 2.8 1.7 1.7 2.7 0.4 -1.9 -3.7 -4.5 -4.2 -5.8 -6.4 -5.7 -5.3 -5.6 650mb Dewpt(C): -4.2 -11.5 -7.2 -20.6 -10.2 -9.1 -6.9 -7.2 -30.5 -36.7 -38.3 -35.4 -31.8 -19.6 -23.5 650mb RH (%): 67 34 51 17 38 49 68 77 11 6 6 8 11 32 23 650mb Dir: 24 122 137 124 85 323 339 297 263 289 282 268 299 307 284 650mb Speed(kt): 10 14 13 3 13 10 15 13 18 11 6 6 7 7 8 600mb GPH (m): 4303 4313 4307 4310 4300 4271 4246 4250 4261 4271 4266 4279 4293 4309 4311 600mb Temp (C): -1.6 -1.8 -3.9 -2.7 -2.6 -4.3 -6.6 -7.2 -6.5 -5.9 -8.4 -9.2 -9.5 -9.7 -10.0 600mb Dewpt(C): -12.1 -13.9 -10.3 -16.2 -11.7 -7.1 -9.8 -10.5 -41.3 -39.9 -36.6 -31.5 -28.0 -21.3 -25.4 600mb RH (%): 45 39 61 35 49 80 78 77 5 5 9 15 21 39 28 600mb Dir: 48 129 143 129 89 321 336 308 263 259 251 235 271 290 273 600mb Speed(kt): 10 16 17 9 12 5 21 14 19 14 10 7 8 6 10 550mb GPH (m): 4991 4999 4988 4993 4983 4951 4922 4923 4935 4945 4936 4945 4959 4974 4977 550mb Temp (C): -5.7 -6.7 -8.4 -8.0 -8.1 -9.1 -10.1 -11.4 -10.7 -11.7 -12.8 -13.9 -14.3 -14.3 -14.4 550mb Dewpt(C): -16.9 -18.3 -20.2 -17.5 -15.4 -11.5 -11.9 -14.8 -39.3 -33.0 -29.5 -27.7 -25.9 -34.0 -27.6 550mb RH (%): 41 39 39 47 56 83 87 76 8 16 24 31 37 18 32 550mb Dir: 42 106 106 139 90 343 338 311 276 254 223 217 244 279 260 550mb Speed(kt): 12 15 16 16 11 5 18 13 19 14 13 11 10 7 10 500mb GPH (m): 5729 5735 5719 5723 5714 5680 5649 5646 5658 5665 5654 5660 5673 5688 5691 500mb Temp (C): -11.5 -11.3 -13.0 -14.2 -14.4 -14.4 -14.8 -16.2 -16.8 -17.8 -18.1 -19.2 -19.7 -19.9 -19.4 500mb Dewpt(C): -19.9 -28.1 -18.7 -20.0 -21.3 -21.3 -16.7 -19.6 -47.6 -36.6 -34.6 -31.4 -27.1 -37.9 -31.6 500mb RH (%): 50 24 63 62 56 56 85 75 6 19 23 34 53 19 34 500mb Dir: 33 81 79 125 104 359 341 316 275 246 222 204 222 266 261 500mb Speed(kt): 15 17 18 16 14 5 7 10 19 15 16 16 12 8 11 450mb GPH (m): 6527 6534 6515 6513 6503 6471 6438 6430 6439 6443 6429 6433 6445 6461 6467 450mb Temp (C): -17.3 -17.5 -17.7 -19.9 -20.0 -19.4 -20.5 -21.8 -23.0 -23.5 -24.9 -26.0 -26.1 -25.7 -24.3 450mb Dewpt(C): -23.6 -33.6 -31.3 -24.7 -28.0 -23.4 -23.3 -25.4 -40.7 -36.7 -28.7 -31.5 -31.8 -50.2 -34.9 450mb RH (%): 58 24 30 66 50 71 78 73 19 30 71 61 59 9 38 450mb Dir: 42 74 68 111 120 91 155 313 268 239 226 193 208 261 272 450mb Speed(kt): 18 18 22 23 12 2 6 6 16 14 18 20 14 10 13 400mb GPH (m): 7397 7403 7384 7376 7363 7338 7301 7286 7292 7293 7272 7274 7285 7303 7312 400mb Temp (C): -23.9 -24.4 -24.4 -26.2 -26.8 -23.8 -25.5 -28.0 -28.5 -29.5 -31.9 -32.5 -32.4 -32.3 -31.1 400mb Dewpt(C): -32.7 -37.1 -37.2 -31.2 -34.5 -27.6 -28.3 -31.4 -56.4 -41.0 -35.3 -37.8 -36.0 -54.6 -40.4 400mb RH (%): 45 31 31 63 49 71 78 73 6 33 73 60 71 10 41 400mb Dir: 44 63 71 110 122 119 354 292 256 232 212 189 202 264 288 400mb Speed(kt): 23 20 22 31 23 13 4 4 16 17 22 24 15 11 16 350mb GPH (m): 8357 8359 8342 8327 8314 8299 8255 8230 8231 8229 8202 8199 8211 8228 8241 350mb Temp (C): -31.3 -32.0 -31.7 -32.6 -32.7 -30.4 -32.2 -35.1 -36.6 -37.4 -38.6 -39.9 -39.8 -40.1 -39.1 350mb Dewpt(C): -42.5 -43.1 -44.8 -35.7 -53.8 -34.8 -35.9 -38.2 -43.2 -45.3 -44.0 -43.4 -43.8 -54.5 -52.5 350mb RH (%): 34 34 28 74 12 66 70 74 52 45 58 70 67 21 25 350mb Dir: 42 50 89 85 113 125 349 269 235 221 208 186 194 278 302 350mb Speed(kt): 30 25 23 32 28 19 11 4 14 21 25 26 17 11 22 300mb GPH (m): 9428 9429 9410 9392 9380 9375 9325 9287 9283 9275 9242 9235 9244 9260 9278 300mb Temp (C): -40.2 -40.5 -41.2 -42.2 -41.4 -39.8 -40.9 -43.1 -44.4 -45.6 -46.3 -47.4 -48.3 -48.5 -47.6 300mb Dewpt(C): -48.3 -48.5 -51.8 -45.9 -57.0 -43.8 -44.3 -46.5 -48.3 -53.4 -52.2 -50.6 -54.0 -60.0 -55.8 300mb RH (%): 43 43 33 68 18 67 70 71 67 43 53 71 54 27 40 300mb Dir: 42 51 94 83 144 115 4 295 208 210 207 188 178 278 313 300mb Speed(kt): 32 31 29 31 33 27 12 4 14 21 28 31 28 12 32 250mb GPH (m): 10644 10645 10620 10600 10591 10592 10536 10490 10475 10466 10430 10419 10426 10443 10459 250mb Temp (C): -50.2 -50.2 -51.3 -50.7 -50.8 -50.8 -51.7 -52.8 -54.1 -53.0 -53.9 -54.0 -53.1 -52.5 -53.9 250mb Dewpt(C): -59.1 -57.3 -59.4 -61.3 -64.2 -54.7 -55.5 -56.7 -58.2 -62.5 -62.8 -64.0 -66.8 -67.1 -65.6 250mb RH (%): 37 45 40 30 21 64 66 65 62 33 35 30 20 18 25 250mb Dir: 45 53 74 97 143 102 67 278 212 217 205 182 184 212 297 250mb Speed(kt): 32 32 33 26 29 37 26 11 21 23 29 38 28 12 23 200mb GPH (m): 12071 12064 12040 12026 12017 12010 11957 11919 11898 11889 11855 11850 11864 11882 11889 200mb Temp (C): -57.9 -59.4 -57.5 -57.8 -57.0 -58.0 -54.4 -54.7 -53.8 -56.1 -54.2 -53.1 -51.8 -52.2 -53.5 200mb Dewpt(C): -69.4 -66.5 -66.9 -69.4 -68.9 -64.0 -68.3 -70.6 -74.4 -74.3 -75.2 -73.7 -79.8 -77.7 -78.5 200mb RH (%): 24 42 32 24 23 49 19 14 8 10 7 8 3 4 4 200mb Dir: 32 47 70 87 122 99 123 243 207 207 206 196 195 200 243 200mb Speed(kt): 41 39 32 25 18 37 38 17 20 23 34 26 25 18 14 150mb GPH (m): 13882 13881 13863 13857 13854 13849 13799 13770 13752 13740 13715 13719 13734 13749 13748 150mb Temp (C): -56.6 -56.2 -57.9 -54.9 -54.5 -56.9 -52.8 -52.8 -51.4 -50.7 -50.8 -50.3 -50.9 -50.9 -51.2 150mb Dewpt(C): -80.9 -82.9 -84.3 -84.6 -84.2 -83.8 -87.7 -87.6 -81.8 -86.5 -86.1 -85.8 -86.2 -86.2 -87.3 150mb RH (%): 4 3 3 2 2 3 1 1 2 1 1 1 1 1 1 150mb Dir: 69 53 86 112 156 164 187 175 211 209 193 201 204 209 207 150mb Speed(kt): 19 21 22 22 16 22 19 25 31 30 30 34 29 21 15 100mb GPH (m): 16453 16453 16429 16426 16429 16410 16385 16376 16372 16365 16346 16353 16370 16379 16373 100mb Temp (C): -56.5 -56.3 -56.9 -57.4 -56.3 -57.1 -56.1 -54.1 -53.4 -53.8 -52.7 -53.3 -52.0 -52.4 -52.2 100mb Dewpt(C): -90.3 -90.1 -90.5 -90.8 -90.1 -90.6 -85.5 -88.5 -88.0 -83.8 -87.5 -83.3 -82.2 -83.6 -99.7 100mb RH (%): 1 1 1 1 1 1 2 1 1 2 1 2 2 2 0 100mb Dir: 101 119 121 143 190 207 171 195 185 200 205 188 199 196 188 100mb Speed(kt): 9 10 9 15 23 23 23 21 25 29 25 26 26 21 16