Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z MAY 27, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 987.7 988.5 988.3 987.6 984.5 984.5 985.2 984.3 981.9 985.4 987.4 992.3 996.3 998.9 999.3 Mean SLP (mb): 1011.7 1012.8 1012.7 1011.6 1008.1 1008.3 1009.3 1008.0 1005.5 1009.6 1011.8 1016.9 1020.9 1023.9 1024.6 2m agl Tmp (F): 63.1 53.2 48.7 61.7 71.3 62.2 56.4 66.1 75.1 55.5 52.1 51.2 53.7 45.8 39.6 2m agl Dewpt(F): 49.6 48.5 48.5 53.0 57.9 55.2 55.3 58.3 60.6 54.4 50.9 49.5 48.1 37.0 38.2 2m agl RH (%): 61 84 99 72 62 77 96 75 60 96 96 94 81 71 95 10m agl Dir: 306 318 270 289 324 289 140 255 303 247 201 290 279 316 265 10m agl Spd(kt): 7 5 1 3 8 1 2 4 9 8 5 6 6 5 1 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.25 0.04 0.15 0.03 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.25 0.30 0.45 0.48 0.48 0.48 Sfc CAPE (J/kg): 155.7 0.8 0.3 5.5 0.0 0.2 0.5 32.1 636.5 12.5 27.9 42.2 73.6 0.8 0.0 Sfc CINH (J/kg): -0.4 0.0 -0.4 -0.2 0.0 -1.3 -6.1 -77.4 -76.9 -0.2 0.0 0.0 0.0 0.0 -0.1 0-3km Hel(J/kg): 46.6 120.2 109.7 103.9 76.3 66.7 57.7 71.1 97.5 139.5 45.7 -48.4 31.3 30.7 -1.6 Precip H20 (in): 0.73 0.86 0.86 0.85 1.19 1.15 1.05 1.10 1.33 1.09 0.94 0.91 0.62 0.32 0.31 Lifted Index(C): 2.8 7.0 8.3 6.6 3.1 0.5 0.2 -1.0 -3.7 3.4 2.3 6.8 8.9 15.0 16.2 700mb VV(-ub/s): -0.7 -5.0 0.4 -3.0 -0.1 1.2 -2.1 -1.5 -2.0 -49.0 2.9 -1.2 -1.2 -1.7 -1.1 Thk1000-500mb(m)5487.2 5549.6 5595.7 5623.0 5656.4 5662.5 5646.3 5653.7 5656.1 5584.4 5524.9 5492.7 5489.9 5477.5 5457.0 Thk1000-850mb(m)1353.2 1349.0 1349.6 1360.0 1382.9 1386.6 1378.8 1381.2 1390.9 1354.8 1339.5 1331.7 1331.5 1319.9 1313.9 Thk850-700mb(m):1551.9 1572.6 1589.9 1605.3 1607.8 1612.3 1614.1 1622.5 1615.8 1597.7 1576.0 1560.9 1549.0 1547.9 1547.3 SWEAT Index: 59.1 72.1 90.6 98.5 114.5 170.6 147.0 193.1 189.1 108.4 94.2 67.1 47.6 41.8 51.7 Total Totals Idx 43.7 40.6 36.8 38.6 40.4 46.1 47.8 51.1 50.7 43.1 47.1 42.1 34.4 19.9 14.9 Frz Hgt(ft amsl) 6842 9885 12289 12674 13005 13039 12714 12741 12455 10971 9769 8686 5907 6783 6675 0WetBlbHgt(amsl) 6249 8191 10379 8599 11023 11002 10246 10629 11508 9814 9491 8406 5120 3550 2939 Equil Prs (mb): 534 988 988 988 984 984 985 408 237 985 876 834 769 999 999 Equil Hgt(amsl): 16684 26 26 26 26 26 26 23749 35810 26 3900 5335 7572 26 26 Hail Size(in): 0.00 0.00 0.00 0.00 0.00 0.06 0.45 0.20 0.11 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 37.5 32.5 42.0 22.9 43.4 40.1 43.0 46.3 48.7 5.9 1.9 3.4 23.7 40.1 44.7 Showalter Index: 5.9 6.8 8.1 6.5 4.9 0.6 0.1 -1.6 -1.2 4.2 2.9 6.8 11.8 17.2 17.4 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 3.3 1.4 5.7 1.6 4.9 0.0 -999.9 -999.9 Storm Dir (deg): 75 80 70 49 46 117 133 115 73 138 221 310 295 296 285 Storm Spd (kts): 9 14 13 12 10 10 7 7 12 14 5 8 12 10 9 2m HeatIndex(F): 63 53 49 62 71 62 56 66 75 55 52 51 54 46 40 2m WindChill(F): 63 53 49 62 71 62 56 66 75 55 52 51 54 46 40 1000mb GPH (m): 99 107 106 98 69 71 78 68 47 80 98 139 173 195 198 950mb GPH (m): 533 536 532 531 511 508 512 506 491 510 525 564 599 616 615 950mb Temp (C): 12.7 10.7 9.6 11.7 17.8 17.5 16.0 14.9 20.2 10.4 8.5 7.0 7.7 4.5 2.9 950mb Dewpt(C): 8.1 8.0 7.8 10.1 12.5 12.3 12.0 13.1 14.3 10.3 8.2 6.7 7.1 2.4 1.6 950mb RH (%): 73 83 88 90 70 71 76 89 68 99 98 98 96 86 92 950mb Dir: 318 335 348 291 329 6 74 254 307 253 211 303 282 328 326 950mb Speed(kt): 9 17 8 4 11 7 1 4 13 16 10 11 9 12 7 900mb GPH (m): 983 984 981 980 971 971 973 964 955 960 970 1007 1042 1054 1051 900mb Temp (C): 8.4 8.3 9.3 8.9 14.1 17.4 16.0 15.9 16.0 10.0 5.3 4.6 4.0 2.1 1.3 900mb Dewpt(C): 6.6 5.1 5.5 7.9 10.4 11.7 11.5 11.2 12.5 9.5 5.1 4.4 3.0 -2.2 -4.9 900mb RH (%): 88 80 77 93 78 68 74 73 79 97 99 99 93 73 63 900mb Dir: 323 11 6 355 353 91 10 339 314 256 230 306 299 329 330 900mb Speed(kt): 10 15 15 10 16 13 2 5 14 17 9 13 14 8 9 850mb GPH (m): 1452 1456 1455 1458 1452 1457 1457 1449 1438 1435 1437 1471 1505 1515 1512 850mb Temp (C): 4.5 6.6 9.5 11.9 12.8 14.0 13.3 14.3 12.8 9.8 5.8 2.9 1.6 2.8 2.7 850mb Dewpt(C): 1.8 2.4 2.5 3.4 5.9 10.2 9.4 9.2 8.9 5.0 5.6 2.6 -1.2 -16.9 -23.6 850mb RH (%): 82 74 61 55 62 77 77 71 77 72 99 98 82 22 12 850mb Dir: 349 35 359 29 37 100 49 26 339 268 241 275 275 298 323 850mb Speed(kt): 11 10 17 16 9 16 4 6 11 9 10 12 14 9 12 800mb GPH (m): 1942 1951 1956 1964 1959 1966 1965 1960 1946 1939 1933 1960 1991 2003 1999 800mb Temp (C): 0.8 4.4 7.2 10.1 10.3 10.8 10.9 13.0 11.5 9.3 4.5 0.8 -1.0 0.3 0.1 800mb Dewpt(C): -1.3 -0.6 0.0 -0.7 5.0 7.8 6.0 4.4 7.7 0.7 4.4 0.4 -2.0 -16.9 -22.1 800mb RH (%): 86 69 60 46 69 81 71 55 77 55 99 97 93 26 17 800mb Dir: 10 57 8 30 54 76 39 52 12 77 327 284 283 318 315 800mb Speed(kt): 8 12 14 16 7 17 8 9 13 2 2 14 13 11 12 750mb GPH (m): 2458 2475 2484 2498 2494 2502 2501 2501 2485 2471 2457 2480 2506 2517 2513 750mb Temp (C): -2.0 2.0 5.1 8.0 8.0 8.2 9.3 11.0 9.5 6.5 2.7 0.5 -1.8 -2.0 -1.8 750mb Dewpt(C): -5.1 -1.7 -5.0 -9.9 0.0 2.7 -1.5 -1.0 4.2 -1.3 2.3 0.0 -4.0 -28.1 -28.7 750mb RH (%): 79 76 48 27 57 68 46 43 69 57 97 97 85 12 11 750mb Dir: 21 70 30 22 47 76 74 78 30 116 341 265 287 311 296 750mb Speed(kt): 10 19 14 17 7 15 7 9 16 12 5 13 16 11 9 700mb GPH (m): 3004 3028 3045 3063 3060 3070 3071 3072 3054 3033 3013 3032 3054 3063 3059 700mb Temp (C): -4.2 -0.1 2.8 4.9 4.9 5.6 6.9 7.0 5.7 2.1 -0.2 -1.1 -2.9 -3.9 -3.4 700mb Dewpt(C): -13.9 -6.9 -1.3 -10.3 -1.8 -1.7 -7.2 -5.2 0.6 -2.5 -1.2 -1.7 -10.4 -35.8 -39.4 700mb RH (%): 47 60 74 32 62 59 36 41 69 72 93 96 56 7 5 700mb Dir: 32 65 55 17 18 88 94 80 39 112 28 248 263 292 248 700mb Speed(kt): 11 21 18 21 9 12 10 10 16 20 2 12 20 10 6 650mb GPH (m): 3585 3621 3643 3663 3661 3672 3674 3675 3655 3627 3603 3619 3639 3646 3641 650mb Temp (C): -6.8 -1.3 0.6 1.3 1.7 2.1 1.7 1.8 1.1 -1.9 -3.8 -5.0 -4.7 -4.3 -5.8 650mb Dewpt(C): -19.5 -11.5 -7.5 -10.5 -5.3 -7.0 -9.4 -9.0 -3.0 -5.2 -7.0 -6.9 -32.7 -47.3 -44.3 650mb RH (%): 36 46 54 41 60 51 43 44 74 78 78 86 9 2 3 650mb Dir: 59 65 62 16 15 114 119 60 58 106 79 239 247 255 236 650mb Speed(kt): 11 25 24 20 11 12 10 8 14 26 4 10 23 15 7 600mb GPH (m): 4205 4254 4281 4302 4302 4312 4312 4313 4293 4258 4231 4244 4265 4274 4264 600mb Temp (C): -10.1 -5.0 -3.1 -2.9 -1.9 -2.3 -3.8 -3.8 -3.8 -5.9 -7.0 -8.2 -6.6 -6.1 -8.2 600mb Dewpt(C): -15.6 -15.7 -13.0 -11.1 -10.5 -13.1 -16.6 -10.3 -6.8 -8.3 -16.8 -12.3 -40.8 -39.6 -35.3 600mb RH (%): 64 43 46 53 52 43 36 61 80 83 46 73 5 5 10 600mb Dir: 96 54 61 22 18 118 137 97 86 100 60 246 243 233 232 600mb Speed(kt): 16 25 27 20 16 15 17 8 15 29 6 9 24 22 15 550mb GPH (m): 4870 4931 4966 4985 4988 4997 4991 4992 4974 4935 4903 4914 4939 4950 4935 550mb Temp (C): -14.5 -10.4 -6.4 -7.1 -6.6 -6.9 -8.5 -9.4 -9.1 -9.6 -12.1 -12.8 -10.6 -10.7 -12.3 550mb Dewpt(C): -20.1 -16.3 -23.4 -17.6 -12.0 -19.5 -21.7 -14.2 -10.8 -11.4 -23.9 -22.1 -34.5 -31.3 -26.7 550mb RH (%): 63 62 25 43 65 36 34 68 87 86 37 46 13 17 30 550mb Dir: 81 58 52 26 19 102 121 112 102 94 59 279 250 220 223 550mb Speed(kt): 19 24 31 22 25 15 22 15 21 32 4 5 20 23 20 500mb GPH (m): 5586 5656 5701 5721 5726 5733 5724 5722 5703 5665 5623 5632 5663 5673 5655 500mb Temp (C): -18.7 -15.8 -12.4 -11.7 -10.9 -11.0 -12.5 -13.8 -14.5 -14.2 -17.9 -18.3 -17.0 -17.0 -17.9 500mb Dewpt(C): -32.7 -18.8 -27.4 -22.2 -13.4 -27.9 -25.5 -29.4 -17.5 -15.7 -31.9 -23.0 -39.8 -38.6 -27.6 500mb RH (%): 29 78 28 42 82 24 34 26 79 88 29 67 13 14 43 500mb Dir: 91 65 51 25 28 64 100 104 105 81 123 328 259 220 212 500mb Speed(kt): 17 23 28 25 26 16 26 28 26 30 8 12 20 24 28 450mb GPH (m): 6363 6442 6496 6520 6527 6533 6520 6513 6492 6457 6401 6412 6442 6454 6431 450mb Temp (C): -23.6 -21.0 -18.3 -17.0 -16.7 -16.7 -17.8 -19.7 -20.2 -19.0 -23.7 -22.9 -23.4 -23.1 -24.9 450mb Dewpt(C): -38.3 -23.9 -31.3 -27.0 -19.7 -37.6 -32.9 -27.9 -26.3 -21.2 -40.8 -26.5 -47.6 -35.0 -32.1 450mb RH (%): 26 78 32 42 78 15 26 49 59 83 20 72 10 34 52 450mb Dir: 143 92 64 27 43 48 77 107 107 66 107 312 265 228 204 450mb Speed(kt): 34 30 27 33 23 19 24 31 31 24 12 23 21 24 36 400mb GPH (m): 7213 7299 7363 7391 7400 7405 7389 7375 7352 7323 7249 7265 7292 7304 7274 400mb Temp (C): -29.3 -28.0 -25.2 -24.2 -23.0 -23.6 -24.6 -26.0 -26.6 -24.9 -29.7 -29.1 -30.1 -30.1 -31.7 400mb Dewpt(C): -39.0 -34.2 -32.0 -30.9 -27.3 -38.5 -33.3 -32.3 -34.3 -27.3 -46.5 -32.7 -47.4 -40.0 -34.9 400mb RH (%): 39 56 54 55 69 25 45 56 49 81 19 71 18 39 74 400mb Dir: 142 106 77 25 50 47 76 99 99 49 105 298 251 228 205 400mb Speed(kt): 63 35 28 38 23 23 29 37 33 20 21 30 25 28 38 350mb GPH (m): 8151 8245 8317 8348 8362 8364 8345 8330 8303 8279 8189 8204 8227 8239 8205 350mb Temp (C): -36.5 -34.4 -32.8 -32.1 -30.7 -31.5 -32.4 -32.2 -32.5 -32.3 -35.4 -36.9 -37.1 -37.0 -38.8 350mb Dewpt(C): -44.2 -42.0 -40.4 -41.6 -36.9 -43.2 -40.6 -38.9 -36.6 -35.0 -51.1 -41.1 -47.4 -42.8 -42.5 350mb RH (%): 46 47 48 40 56 32 45 53 68 78 20 66 35 56 70 350mb Dir: 133 107 82 29 40 50 81 80 89 29 108 288 234 229 193 350mb Speed(kt): 74 47 31 38 33 28 33 31 36 19 21 35 29 33 39 300mb GPH (m): 9207 9305 9383 9416 9436 9437 9410 9394 9370 9348 9249 9251 9275 9284 9248 300mb Temp (C): -41.0 -42.1 -41.2 -41.2 -40.2 -39.8 -41.8 -41.9 -41.5 -41.0 -41.4 -44.6 -45.2 -46.1 -45.9 300mb Dewpt(C): -66.3 -47.0 -52.1 -48.3 -52.1 -51.8 -48.8 -47.6 -47.6 -44.4 -59.3 -49.2 -56.0 -52.3 -53.0 300mb RH (%): 6 60 32 48 29 28 48 55 53 71 14 61 30 51 46 300mb Dir: 132 107 81 34 38 48 75 113 83 38 78 290 231 230 194 300mb Speed(kt): 69 59 33 36 38 39 36 43 28 25 13 32 31 32 42 250mb GPH (m): 10434 10514 10596 10627 10651 10653 10619 10601 10580 10559 10466 10455 10470 10474 10438 250mb Temp (C): -45.7 -50.4 -50.2 -51.1 -50.2 -50.8 -51.2 -51.6 -51.0 -50.7 -47.6 -50.2 -51.5 -53.6 -53.5 250mb Dewpt(C): -75.1 -59.0 -62.0 -59.3 -59.8 -59.0 -57.2 -59.5 -62.6 -54.7 -67.1 -57.7 -66.1 -64.2 -65.5 250mb RH (%): 3 37 26 40 33 39 51 41 26 64 10 43 18 29 24 250mb Dir: 124 117 60 34 48 47 66 121 95 61 70 267 227 216 197 250mb Speed(kt): 38 55 24 34 36 44 37 52 23 40 9 23 32 32 38 200mb GPH (m): 11908 11962 12019 12048 12076 12073 12042 12024 12002 11981 11923 11901 11903 11896 11862 200mb Temp (C): -47.6 -53.0 -57.5 -58.4 -57.7 -58.1 -56.7 -57.7 -58.0 -53.9 -53.7 -53.2 -55.0 -54.6 -55.3 200mb Dewpt(C): -84.3 -74.9 -69.4 -65.8 -67.3 -67.4 -67.7 -69.8 -68.3 -65.6 -70.5 -70.6 -74.3 -72.7 -72.3 200mb RH (%): 1 7 23 41 31 32 26 22 28 25 13 12 9 11 12 200mb Dir: 54 46 44 50 46 44 68 91 104 95 191 198 228 206 201 200mb Speed(kt): 18 43 31 37 33 37 33 26 22 45 9 24 33 32 40 150mb GPH (m): 13794 13817 13840 13858 13882 13883 13859 13849 13842 13839 13778 13760 13755 13745 13716 150mb Temp (C): -51.2 -53.8 -56.1 -55.7 -57.5 -56.5 -56.4 -55.4 -53.7 -54.4 -52.0 -52.1 -51.5 -51.6 -51.5 150mb Dewpt(C): -86.5 -88.3 -85.5 -85.0 -83.7 -83.1 -83.2 -85.1 -87.6 -88.1 -87.0 -87.1 -87.0 -86.7 -86.7 150mb RH (%): 1 1 2 2 3 3 3 2 1 1 1 1 1 1 1 150mb Dir: 33 35 32 46 46 69 86 122 167 156 183 187 205 205 190 150mb Speed(kt): 19 23 30 27 31 26 14 16 14 17 22 25 35 35 33 100mb GPH (m): 16403 16416 16418 16431 16451 16461 16427 16427 16422 16420 16373 16372 16369 16359 16336 100mb Temp (C): -55.5 -55.1 -55.6 -57.0 -56.6 -57.2 -56.9 -56.8 -55.9 -55.8 -55.3 -54.1 -53.4 -53.8 -53.1 100mb Dewpt(C): -89.5 -89.2 -89.6 -90.6 -90.3 -90.7 -90.5 -90.4 -89.7 -89.7 -84.9 -88.5 -88.0 -88.3 -87.8 100mb RH (%): 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 100mb Dir: 25 14 52 54 111 106 122 150 175 184 177 190 184 198 191 100mb Speed(kt): 11 17 8 15 10 8 11 20 15 22 22 24 27 28 23