Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 27, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 988.9 988.1 984.2 983.4 984.5 984.0 981.0 985.3 988.5 993.2 995.3 998.4 999.4 1000.9 999.3 Mean SLP (mb): 1013.4 1012.2 1007.8 1007.3 1008.6 1007.7 1004.6 1009.6 1012.9 1017.8 1019.8 1023.4 1024.5 1025.9 1023.8 2m agl Tmp (F): 46.9 57.8 72.1 62.5 56.1 70.0 75.6 52.9 52.1 49.3 54.1 45.8 42.8 46.7 58.0 2m agl Dewpt(F): 44.3 51.1 56.8 53.4 53.8 58.9 62.9 51.1 50.9 47.9 42.9 36.1 36.3 37.9 40.7 2m agl RH (%): 90 78 57 71 92 67 63 93 96 94 65 68 77 71 52 10m agl Dir: 32 268 323 308 112 266 300 263 257 278 295 298 291 264 300 10m agl Spd(kt): 1 3 9 3 2 5 11 7 5 6 8 6 4 4 8 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.04 0.02 0.01 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.13 0.15 0.16 0.16 0.16 0.16 0.16 Sfc CAPE (J/kg): 0.1 4.7 0.0 0.0 0.0 28.0 1007.4 4.1 42.5 43.4 18.2 1.1 9.9 10.3 17.5 Sfc CINH (J/kg): 0.0 -0.3 0.0 0.0 -0.1 -65.6 -49.6 0.0 0.0 0.0 0.0 -0.5 0.0 0.0 0.0 0-3km Hel(J/kg): 80.5 86.3 40.6 104.0 30.8 69.9 94.2 159.7 38.7 21.8 14.1 -1.1 -27.8 -18.6 29.7 Precip H20 (in): 0.84 0.98 1.09 1.02 1.14 1.06 1.16 1.21 0.86 0.79 0.47 0.31 0.32 0.36 0.41 Lifted Index(C): 9.1 4.0 4.3 1.2 -0.6 -1.8 -4.2 -1.0 4.6 9.0 11.6 15.7 16.6 13.7 7.7 700mb VV(-ub/s): -0.1 -3.1 -1.6 2.4 0.3 -1.6 -0.9 -4.0 2.5 0.6 -0.1 -2.0 -1.5 0.0 -1.5 Thk1000-500mb(m)5588.9 5611.8 5656.3 5673.0 5644.0 5654.4 5671.3 5601.6 5543.0 5503.2 5495.6 5468.0 5447.1 5433.8 5443.9 Thk1000-850mb(m)1344.8 1356.9 1381.9 1386.3 1377.9 1385.4 1392.9 1354.0 1337.4 1327.3 1329.3 1317.8 1308.4 1312.1 1333.1 Thk850-700mb(m):1590.3 1604.5 1608.1 1615.9 1610.8 1617.9 1622.1 1608.5 1581.9 1563.6 1554.0 1546.4 1544.6 1541.3 1543.7 SWEAT Index: 75.5 112.3 97.8 150.5 168.7 204.8 179.6 172.0 69.6 71.4 44.3 49.4 54.3 55.1 44.7 Total Totals Idx 34.9 43.0 38.8 45.4 49.2 51.5 50.6 49.1 40.4 40.0 20.7 17.5 21.7 26.2 40.4 Frz Hgt(ft amsl) 12059 12193 12586 13407 12682 12695 12896 11861 10791 9368 7663 6777 2972 5514 5649 0WetBlbHgt(amsl) 9541 10309 11224 10446 10661 10028 10808 10626 9878 6050 4132 3174 2851 3220 4790 Equil Prs (mb): 989 988 984 983 985 301 221 985 870 871 995 998 999 1001 999 Equil Hgt(amsl): 26 26 26 26 26 30735 37382 26 4106 4193 26 26 26 26 26 Hail Size(in): 0.00 0.00 0.00 0.15 0.08 0.51 0.51 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 42.9 44.5 44.5 46.6 43.0 48.3 48.9 18.3 2.5 8.6 25.7 22.2 18.0 20.7 31.8 Showalter Index: 9.3 4.1 5.8 1.3 -1.0 -1.9 -1.3 -0.6 6.9 7.6 17.7 17.6 17.3 15.6 9.2 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 3.6 2.0 7.0 1.2 1.2 0.0 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 68 47 52 103 129 160 68 119 301 321 311 306 301 273 293 Storm Spd (kts): 11 11 7 10 8 8 9 13 6 6 10 10 9 10 10 2m HeatIndex(F): 47 58 72 63 56 70 76 53 52 49 54 46 43 47 58 2m WindChill(F): 47 58 72 63 56 70 76 53 52 49 54 46 43 47 58 1000mb GPH (m): 111 103 67 62 72 66 39 80 107 147 164 191 199 211 198 950mb GPH (m): 536 533 509 499 506 505 484 508 534 570 591 611 615 629 626 950mb Temp (C): 8.6 10.0 18.1 17.0 15.4 16.5 20.2 8.9 8.4 6.0 7.7 4.0 1.8 2.9 8.8 950mb Dewpt(C): 7.8 9.4 12.0 11.2 11.1 13.1 15.5 8.7 8.2 5.9 4.4 1.5 1.5 1.9 2.7 950mb RH (%): 95 96 67 68 75 80 73 99 98 99 79 83 98 93 65 950mb Dir: 349 273 327 356 95 270 303 270 270 292 298 312 304 275 303 950mb Speed(kt): 8 3 12 10 3 4 14 12 10 12 12 10 7 4 11 900mb GPH (m): 983 981 969 961 965 966 948 956 978 1010 1033 1047 1048 1064 1069 900mb Temp (C): 8.3 10.4 13.5 17.5 16.2 16.5 16.1 10.3 4.9 3.0 3.4 0.2 -0.9 0.1 4.3 900mb Dewpt(C): 5.6 6.2 10.7 10.6 11.0 11.2 13.8 9.7 4.7 2.8 3.2 -1.4 -1.5 -1.2 1.7 900mb RH (%): 83 75 83 63 70 70 86 96 98 99 98 89 96 91 83 900mb Dir: 2 13 336 61 119 44 310 305 288 312 301 324 330 331 305 900mb Speed(kt): 13 11 13 11 2 3 16 12 12 13 12 10 11 9 12 850mb GPH (m): 1456 1460 1449 1448 1450 1451 1432 1434 1444 1474 1494 1508 1507 1523 1531 850mb Temp (C): 8.7 12.2 12.4 15.1 13.5 14.4 14.1 11.5 5.3 3.3 2.0 2.3 0.7 0.5 0.3 850mb Dewpt(C): 1.9 4.4 5.8 9.0 10.3 9.5 9.2 10.0 3.7 3.3 -14.5 -20.0 -15.3 -14.0 -1.4 850mb RH (%): 62 58 63 66 80 72 72 90 89 100 28 18 29 33 88 850mb Dir: 12 26 26 79 96 74 325 330 286 285 311 317 320 335 315 850mb Speed(kt): 15 15 8 13 8 9 11 13 9 12 16 14 17 15 11 800mb GPH (m): 1956 1966 1956 1959 1958 1962 1943 1941 1940 1964 1982 1995 1992 2007 2015 800mb Temp (C): 7.3 10.0 10.6 11.9 10.5 12.4 12.6 10.2 5.2 1.9 1.2 0.3 -0.5 -0.9 -0.5 800mb Dewpt(C): -0.2 3.6 3.4 6.8 6.6 4.6 3.9 7.3 4.2 -4.9 -26.0 -23.6 -26.4 -27.0 -20.4 800mb RH (%): 58 64 60 71 76 58 55 82 93 60 11 15 12 12 21 800mb Dir: 15 22 60 69 79 75 334 20 318 295 311 310 304 319 306 800mb Speed(kt): 13 15 7 17 10 7 8 4 9 13 18 14 15 12 7 750mb GPH (m): 2485 2500 2491 2496 2494 2500 2482 2477 2467 2484 2498 2510 2505 2520 2529 750mb Temp (C): 5.2 7.4 8.2 8.9 8.2 9.9 11.1 8.3 4.5 1.2 -0.5 -1.8 -2.0 -2.9 -1.9 750mb Dewpt(C): -2.3 -0.8 0.5 0.5 2.8 -1.5 -2.6 3.3 1.4 -3.2 -26.3 -29.0 -33.4 -27.0 -31.3 750mb RH (%): 58 56 58 55 68 45 38 71 80 72 12 11 7 14 9 750mb Dir: 36 19 40 72 87 128 24 103 338 297 303 301 287 292 296 750mb Speed(kt): 13 16 9 17 8 6 5 13 8 9 16 13 11 10 8 700mb GPH (m): 3046 3064 3057 3064 3061 3069 3054 3043 3026 3038 3048 3055 3052 3064 3075 700mb Temp (C): 2.7 4.2 4.6 6.1 5.3 6.0 7.3 4.4 1.4 -0.6 -1.6 -4.3 -3.1 -4.0 -4.1 700mb Dewpt(C): -3.7 -3.3 -1.0 -4.9 -2.5 -7.4 -5.5 -1.7 -1.5 -1.2 -13.7 -24.2 -39.9 -38.7 -37.1 700mb RH (%): 63 58 67 45 57 37 39 64 81 96 39 20 4 5 6 700mb Dir: 65 27 23 78 114 123 80 109 335 266 274 286 273 258 280 700mb Speed(kt): 14 15 11 12 11 11 10 21 4 4 14 12 8 11 9 650mb GPH (m): 3643 3663 3657 3667 3662 3670 3658 3641 3619 3627 3635 3637 3635 3645 3654 650mb Temp (C): 0.2 0.3 0.9 2.8 1.3 1.6 2.3 -0.2 -1.7 -3.6 -4.2 -5.1 -5.7 -6.7 -7.7 650mb Dewpt(C): -6.3 -7.4 -3.3 -11.5 -8.7 -17.0 -6.2 -5.5 -18.0 -9.5 -11.0 -40.4 -39.2 -32.0 -34.3 650mb RH (%): 62 56 73 34 47 24 53 67 28 64 59 5 5 12 10 650mb Dir: 78 25 19 108 125 154 91 111 177 248 247 266 257 230 253 650mb Speed(kt): 16 14 9 12 14 14 10 26 3 3 15 13 7 13 12 600mb GPH (m): 4280 4300 4296 4309 4300 4308 4298 4275 4251 4255 4262 4264 4258 4266 4271 600mb Temp (C): -3.1 -3.7 -2.4 -1.5 -2.9 -3.6 -3.1 -5.2 -5.7 -7.0 -6.9 -6.6 -8.3 -9.9 -11.5 600mb Dewpt(C): -14.9 -15.1 -7.7 -17.2 -16.4 -9.9 -8.1 -10.2 -29.0 -21.0 -15.1 -37.8 -26.5 -26.4 -25.9 600mb RH (%): 40 41 67 29 35 62 69 68 14 32 52 7 22 25 30 600mb Dir: 59 14 63 106 109 153 102 108 163 256 233 248 239 213 235 600mb Speed(kt): 20 14 5 13 16 16 11 29 7 3 15 18 13 16 16 550mb GPH (m): 4964 4981 4983 4996 4983 4990 4980 4952 4925 4927 4936 4938 4927 4931 4932 550mb Temp (C): -6.5 -7.8 -5.4 -5.9 -7.9 -8.6 -8.6 -9.8 -10.6 -11.4 -10.9 -11.3 -12.7 -14.7 -16.5 550mb Dewpt(C): -24.4 -17.9 -16.1 -23.3 -15.5 -15.4 -14.2 -13.3 -31.5 -26.3 -34.0 -25.6 -24.1 -22.0 -27.5 550mb RH (%): 23 45 43 24 55 58 64 76 17 28 14 30 38 54 39 550mb Dir: 48 13 74 83 94 137 112 92 150 282 237 230 229 197 221 550mb Speed(kt): 23 19 8 13 22 16 16 26 9 4 10 20 18 21 20 500mb GPH (m): 5700 5715 5723 5734 5716 5720 5711 5682 5650 5650 5660 5659 5646 5645 5642 500mb Temp (C): -12.2 -13.1 -10.3 -10.6 -12.7 -13.8 -13.6 -13.8 -15.7 -16.7 -16.6 -17.6 -18.2 -19.9 -20.7 500mb Dewpt(C): -28.4 -17.8 -28.8 -29.1 -19.4 -21.4 -26.0 -16.0 -26.6 -24.5 -36.1 -34.2 -28.0 -32.2 -47.8 500mb RH (%): 25 68 21 21 58 53 35 84 39 51 18 23 43 33 8 500mb Dir: 36 14 60 64 87 128 115 69 118 313 254 226 226 188 214 500mb Speed(kt): 23 29 13 16 24 24 15 23 8 8 11 20 21 25 23 450mb GPH (m): 6495 6509 6525 6534 6512 6511 6503 6475 6437 6432 6440 6439 6423 6417 6410 450mb Temp (C): -18.5 -18.3 -16.7 -17.0 -18.0 -19.5 -18.9 -18.6 -20.2 -22.1 -23.1 -23.1 -24.2 -25.7 -26.8 450mb Dewpt(C): -33.1 -21.4 -35.5 -34.3 -25.3 -27.8 -29.2 -20.6 -32.3 -29.3 -41.6 -36.8 -33.6 -39.7 -46.0 450mb RH (%): 27 77 19 22 53 48 41 85 34 53 18 28 43 27 16 450mb Dir: 31 32 63 60 83 121 120 55 110 309 251 227 220 184 216 450mb Speed(kt): 27 26 18 18 24 31 25 23 11 4 14 20 25 32 24 400mb GPH (m): 7361 7378 7397 7405 7381 7375 7369 7345 7299 7287 7291 7290 7269 7259 7248 400mb Temp (C): -25.2 -24.1 -23.5 -24.0 -23.9 -25.9 -24.9 -23.7 -26.7 -28.6 -28.9 -29.2 -31.0 -31.9 -33.1 400mb Dewpt(C): -36.5 -31.1 -38.7 -41.3 -42.0 -34.6 -34.0 -26.0 -41.2 -36.0 -52.3 -40.4 -37.7 -39.1 -53.5 400mb RH (%): 35 54 24 20 18 45 44 81 25 50 9 34 53 50 12 400mb Dir: 32 42 55 61 78 108 108 49 93 288 245 233 212 181 212 400mb Speed(kt): 27 31 25 18 25 32 31 22 14 3 15 22 26 34 26 350mb GPH (m): 8314 8336 8357 8363 8340 8324 8323 8306 8247 8227 8231 8228 8201 8186 8171 350mb Temp (C): -32.9 -31.5 -31.2 -31.6 -31.6 -34.3 -33.0 -30.8 -33.9 -36.0 -36.3 -36.9 -38.4 -39.4 -40.3 350mb Dewpt(C): -39.6 -43.3 -44.3 -44.2 -48.6 -48.0 -45.6 -33.7 -46.4 -42.8 -56.0 -45.8 -42.0 -43.2 -58.6 350mb RH (%): 52 32 28 29 18 25 29 76 29 51 12 40 69 68 14 350mb Dir: 65 35 50 52 71 113 111 40 83 295 248 224 200 183 199 350mb Speed(kt): 24 37 34 21 27 26 30 21 15 8 15 23 30 37 30 300mb GPH (m): 9379 9407 9430 9433 9409 9386 9389 9378 9309 9281 9281 9274 9242 9224 9208 300mb Temp (C): -41.0 -40.4 -39.9 -40.5 -41.3 -41.6 -40.9 -40.3 -42.0 -43.0 -45.0 -45.6 -46.3 -47.2 -46.9 300mb Dewpt(C): -48.6 -50.5 -50.1 -49.9 -49.3 -56.7 -59.0 -43.6 -55.8 -50.2 -53.1 -53.1 -51.4 -52.3 -60.5 300mb RH (%): 45 35 35 37 43 19 14 71 22 47 42 44 58 57 21 300mb Dir: 75 33 45 52 71 128 125 50 60 291 243 208 202 184 190 300mb Speed(kt): 27 35 38 24 29 32 31 21 19 11 18 23 34 42 35 250mb GPH (m): 10594 10623 10647 10648 10619 10602 10602 10596 10518 10487 10474 10466 10431 10409 10399 250mb Temp (C): -50.1 -50.4 -50.4 -50.6 -50.7 -49.6 -51.3 -49.3 -50.1 -51.3 -52.6 -53.3 -54.1 -53.4 -51.6 250mb Dewpt(C): -60.4 -57.3 -59.4 -58.1 -56.8 -65.6 -57.8 -55.1 -59.3 -56.3 -59.8 -62.4 -61.5 -64.8 -66.4 250mb RH (%): 31 46 36 43 50 15 48 53 35 57 44 35 42 26 17 250mb Dir: 51 43 45 51 75 122 137 80 49 283 215 211 203 187 189 250mb Speed(kt): 28 34 36 26 33 25 43 20 23 17 20 24 36 46 32 200mb GPH (m): 12021 12046 12070 12068 12046 12031 12023 12020 11958 11922 11905 11888 11851 11840 11847 200mb Temp (C): -60.0 -57.2 -58.0 -58.5 -57.5 -58.0 -57.8 -61.1 -54.4 -54.2 -54.6 -56.0 -55.1 -52.8 -50.9 200mb Dewpt(C): -68.8 -66.3 -68.5 -66.9 -68.6 -70.6 -70.3 -65.4 -71.5 -68.3 -74.1 -72.4 -72.8 -76.0 -78.9 200mb RH (%): 33 33 27 36 25 21 21 58 12 18 9 13 11 6 3 200mb Dir: 31 51 34 47 85 95 95 97 197 215 215 183 199 197 189 200mb Speed(kt): 41 34 34 36 22 37 26 49 6 16 22 29 36 32 35 150mb GPH (m): 13834 13857 13876 13881 13862 13857 13858 13843 13804 13771 13759 13744 13713 13711 13721 150mb Temp (C): -56.2 -56.9 -57.2 -56.9 -58.3 -56.2 -55.6 -55.3 -53.6 -53.0 -51.7 -50.2 -50.8 -50.6 -49.9 150mb Dewpt(C): -83.2 -81.7 -86.2 -83.4 -82.8 -85.3 -85.2 -84.7 -88.2 -87.8 -86.6 -86.1 -86.2 -86.0 -85.5 150mb RH (%): 3 4 2 3 4 2 2 2 1 1 1 1 1 1 1 150mb Dir: 38 43 57 56 86 120 160 174 171 185 204 202 186 189 199 150mb Speed(kt): 25 28 22 17 15 20 17 18 21 27 31 32 34 36 33 100mb GPH (m): 16413 16431 16444 16448 16421 16427 16425 16417 16384 16372 16374 16368 16341 16343 16364 100mb Temp (C): -56.4 -57.0 -56.8 -56.6 -56.6 -56.9 -56.6 -55.9 -56.1 -54.0 -53.7 -53.6 -52.3 -52.6 -51.3 100mb Dewpt(C): -90.1 -90.6 -90.4 -90.3 -90.3 -90.5 -90.2 -85.4 -89.9 -88.4 -83.7 -88.1 -87.2 -87.3 -75.6 100mb RH (%): 1 1 1 1 1 1 1 2 1 1 2 1 1 1 5 100mb Dir: 53 60 95 79 121 162 189 200 185 200 191 187 205 191 195 100mb Speed(kt): 9 14 9 10 8 13 18 19 22 25 21 25 24 26 24