Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 25, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 985.5 983.9 984.2 984.8 986.3 988.2 988.8 989.3 989.5 988.9 986.8 988.0 987.9 988.2 985.7 Mean SLP (mb): 1009.8 1008.0 1008.5 1009.3 1010.9 1012.6 1013.1 1013.9 1014.1 1013.2 1010.5 1012.2 1012.4 1012.3 1009.3 2m agl Tmp (F): 54.0 56.4 51.3 48.7 47.4 53.6 56.8 51.0 48.2 52.4 64.4 57.3 50.7 54.6 69.5 2m agl Dewpt(F): 30.7 42.0 50.1 46.2 46.2 47.8 45.1 46.5 46.7 48.5 54.4 51.8 49.5 52.2 57.7 2m agl RH (%): 40 58 96 91 96 80 64 84 94 86 69 81 95 92 65 10m agl Dir: 128 199 208 208 179 302 307 302 286 265 253 291 215 269 265 10m agl Spd(kt): 3 7 7 6 3 5 8 5 4 4 4 3 1 1 5 6hr Precip (in): 0.00 0.00 0.11 0.09 0.03 0.04 0.02 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.11 0.20 0.23 0.27 0.29 0.29 0.30 0.30 0.30 0.30 0.30 0.30 0.30 Sfc CAPE (J/kg): 0.0 0.0 117.9 98.0 77.2 125.0 57.3 1.1 6.8 9.8 0.0 0.0 2.8 4.0 0.0 Sfc CINH (J/kg): 0.0 0.0 -2.4 -0.2 -0.3 -0.2 -0.1 -1.2 -0.3 -0.4 -3.3 -0.3 0.0 0.0 -27.3 0-3km Hel(J/kg): 178.5 146.8 110.2 -3.3 -0.4 21.1 67.6 99.2 254.6 144.0 126.0 56.3 51.6 59.4 106.7 Precip H20 (in): 0.58 0.67 0.73 0.65 0.63 0.59 0.69 0.76 0.91 0.93 1.02 1.08 1.08 1.07 1.12 Lifted Index(C): 8.9 12.3 4.4 4.9 4.3 4.6 5.3 9.7 8.0 6.7 2.2 0.1 -0.2 -0.6 -0.6 700mb VV(-ub/s): 3.5 3.5 10.5 0.9 -3.1 0.1 0.8 -1.6 0.8 -1.0 -0.9 -0.1 0.1 -0.9 0.0 Thk1000-500mb(m)5570.3 5516.7 5435.6 5400.7 5390.4 5412.5 5448.7 5491.3 5550.9 5597.6 5643.4 5644.9 5633.9 5635.2 5658.3 Thk1000-850mb(m)1353.5 1345.2 1334.3 1327.1 1325.7 1330.1 1341.1 1336.4 1335.3 1345.5 1367.7 1368.2 1362.2 1361.6 1377.7 Thk850-700mb(m):1583.6 1561.5 1545.5 1531.5 1529.8 1534.4 1542.6 1558.5 1578.8 1595.9 1612.7 1613.8 1615.4 1616.2 1621.7 SWEAT Index: 140.0 119.9 132.6 51.3 16.2 34.0 74.6 68.7 102.2 98.1 125.1 130.1 134.6 123.6 118.0 Total Totals Idx 34.1 31.1 44.6 45.3 47.4 43.3 43.8 36.4 36.3 39.1 42.7 46.0 47.6 48.7 47.6 Frz Hgt(ft amsl) 10476 8015 5931 4979 4765 5232 5995 7949 11327 12640 13218 13237 12723 13062 13108 0WetBlbHgt(amsl) 7786 5575 5853 4774 4707 4543 5701 6330 8533 10510 10612 10853 10770 10975 10798 Equil Prs (mb): 985 984 594 661 643 609 685 989 989 989 987 988 988 988 363 Equil Hgt(amsl): 26 26 13810 11096 11789 13255 10380 26 26 26 26 26 26 26 26506 Hail Size(in): 0.00 0.00 -0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.00 0.00 0.00 0.21 Conv Wind Gust: 58.1 49.3 27.0 19.9 17.1 26.6 32.3 21.9 48.4 41.9 43.1 42.0 46.7 47.6 48.2 Showalter Index: 9.8 12.6 6.0 6.3 5.4 7.6 6.4 9.9 9.0 6.6 3.8 1.3 0.3 0.0 0.9 Cap Strength(C):-999.9 -999.9 -0.4 -0.9 -0.6 -999.9 -999.9 -999.9 2.2 7.0 -999.9 -999.9 -999.9 9.4 3.1 Storm Dir (deg): 248 239 243 256 262 34 44 92 63 73 63 81 92 113 82 Storm Spd (kts): 25 31 26 11 4 7 12 16 19 13 8 8 6 7 6 2m HeatIndex(F): 54 56 51 49 47 54 57 51 48 52 64 57 51 55 70 2m WindChill(F): 54 56 51 49 47 54 57 51 48 52 64 57 51 55 70 1000mb GPH (m): 81 67 71 77 90 104 109 115 116 110 90 102 102 104 80 950mb GPH (m): 510 497 497 501 513 531 539 540 539 536 527 534 529 532 521 950mb Temp (C): 11.4 10.3 8.1 6.8 6.3 7.5 10.2 8.3 6.3 7.4 14.5 12.9 10.5 10.0 16.4 950mb Dewpt(C): -2.0 3.7 7.8 6.6 6.1 6.1 6.0 7.1 6.2 7.3 11.0 10.9 10.1 9.4 12.5 950mb RH (%): 39 63 98 99 99 90 75 92 99 99 79 87 98 96 77 950mb Dir: 195 199 212 212 197 306 314 321 321 276 253 326 35 181 273 950mb Speed(kt): 12 11 14 11 9 6 13 13 10 4 5 9 0 2 5 900mb GPH (m): 960 944 941 943 954 973 986 985 983 981 981 990 982 983 978 900mb Temp (C): 10.9 7.6 4.9 3.2 3.7 3.8 5.8 5.2 6.4 8.2 11.0 12.8 12.6 12.2 12.4 900mb Dewpt(C): -2.7 -1.7 4.6 2.9 3.4 1.6 5.0 4.4 2.9 5.6 10.4 9.6 8.4 8.2 11.1 900mb RH (%): 38 51 98 98 99 85 94 95 78 83 96 81 75 76 92 900mb Dir: 206 219 232 232 224 326 319 2 354 8 314 4 340 320 296 900mb Speed(kt): 27 23 16 16 8 9 15 18 15 12 12 8 3 4 6 850mb GPH (m): 1435 1413 1405 1404 1415 1435 1451 1451 1451 1456 1458 1470 1465 1465 1458 850mb Temp (C): 9.0 5.3 2.0 0.8 0.2 0.9 2.1 4.2 6.4 10.4 11.7 13.3 14.8 14.6 13.9 850mb Dewpt(C): -0.2 -2.6 1.8 -0.1 0.0 -1.9 1.7 -0.2 2.4 3.3 6.2 8.4 8.7 8.2 7.0 850mb RH (%): 52 57 99 94 99 81 97 73 75 61 68 71 66 64 63 850mb Dir: 211 220 231 242 220 340 336 14 359 23 12 8 25 42 344 850mb Speed(kt): 27 27 18 17 5 11 16 14 18 15 15 4 6 3 12 800mb GPH (m): 1935 1905 1893 1888 1899 1919 1938 1942 1948 1959 1965 1980 1976 1976 1969 800mb Temp (C): 6.9 2.7 -0.4 -2.5 -2.2 -1.9 -0.6 2.0 5.2 8.4 11.3 11.7 11.9 11.6 12.6 800mb Dewpt(C): -1.6 -6.1 -0.7 -3.2 -3.3 -4.1 -2.0 -2.4 0.4 1.4 5.0 7.1 8.3 8.3 7.1 800mb RH (%): 54 52 98 95 92 85 90 72 71 61 65 73 78 79 68 800mb Dir: 220 214 213 245 263 343 13 37 6 30 44 69 32 40 5 800mb Speed(kt): 27 34 28 17 3 15 13 12 16 13 9 8 7 6 9 750mb GPH (m): 2462 2424 2407 2397 2409 2430 2451 2461 2473 2490 2502 2517 2513 2513 2509 750mb Temp (C): 3.8 0.1 -2.8 -5.4 -5.6 -4.6 -3.6 -0.2 3.1 6.4 9.0 8.8 8.6 9.0 10.3 750mb Dewpt(C): -5.9 -7.0 -3.1 -5.8 -6.5 -5.7 -6.2 -1.6 -1.4 -0.6 0.0 2.0 2.9 2.5 1.1 750mb RH (%): 49 59 98 97 93 92 82 90 72 61 53 62 67 63 52 750mb Dir: 223 210 214 251 338 344 18 55 17 36 43 71 48 45 66 750mb Speed(kt): 33 42 38 18 5 12 14 19 21 15 11 11 9 11 9 700mb GPH (m): 3019 2974 2951 2936 2945 2969 2993 3010 3030 3052 3070 3084 3080 3081 3080 700mb Temp (C): 0.9 -2.8 -5.7 -8.6 -9.5 -8.3 -5.9 -3.6 2.0 2.5 6.2 5.5 5.6 6.4 7.3 700mb Dewpt(C): -11.8 -8.8 -6.9 -10.0 -10.7 -10.0 -15.1 -4.9 -9.3 -0.8 -4.0 -1.6 -3.4 -2.9 -4.9 700mb RH (%): 38 63 91 90 91 88 49 91 43 79 48 60 52 51 41 700mb Dir: 224 208 215 247 339 351 17 61 41 35 43 66 72 55 79 700mb Speed(kt): 39 50 36 18 7 9 15 25 33 21 11 8 7 10 10 650mb GPH (m): 3610 3558 3526 3507 3515 3541 3570 3592 3626 3649 3673 3686 3682 3685 3684 650mb Temp (C): -2.1 -5.5 -10.5 -11.2 -12.4 -10.7 -8.9 -6.4 -0.8 1.1 2.5 2.1 1.4 2.3 2.8 650mb Dewpt(C): -19.1 -13.3 -18.5 -14.4 -15.6 -16.4 -18.6 -10.2 -8.7 -6.8 -10.1 -10.7 -6.1 -7.7 -9.6 650mb RH (%): 26 54 52 77 77 63 46 74 55 55 39 38 57 47 39 650mb Dir: 225 206 213 238 330 19 20 53 48 52 47 80 93 78 96 650mb Speed(kt): 45 58 37 15 5 6 14 27 42 24 8 10 9 11 10 600mb GPH (m): 4242 4182 4138 4117 4123 4153 4185 4214 4259 4289 4314 4327 4320 4325 4324 600mb Temp (C): -5.3 -8.2 -13.3 -14.3 -14.4 -13.3 -12.4 -9.0 -5.5 -2.3 -2.0 -1.8 -3.2 -2.7 -3.0 600mb Dewpt(C): -22.4 -16.7 -21.8 -20.1 -22.1 -22.6 -19.3 -23.6 -7.5 -12.4 -18.1 -18.4 -13.6 -13.4 -10.8 600mb RH (%): 25 51 49 62 52 46 57 30 85 46 28 27 45 44 55 600mb Dir: 224 204 209 223 320 65 35 58 54 63 57 78 87 101 95 600mb Speed(kt): 48 63 47 12 1 7 17 27 40 29 10 13 11 15 8 550mb GPH (m): 4920 4855 4796 4772 4777 4810 4845 4884 4937 4973 4999 5012 5003 5007 5006 550mb Temp (C): -8.8 -10.6 -16.6 -18.0 -18.4 -17.3 -15.8 -12.0 -9.5 -7.3 -7.0 -6.9 -8.0 -8.3 -8.0 550mb Dewpt(C): -23.0 -12.1 -35.5 -23.9 -26.6 -31.1 -20.4 -32.6 -12.2 -15.3 -19.7 -18.9 -18.7 -18.6 -16.4 550mb RH (%): 31 89 19 60 49 30 68 17 81 53 36 38 42 44 51 550mb Dir: 219 208 214 202 219 87 47 96 47 58 47 66 73 112 88 550mb Speed(kt): 51 67 58 13 3 8 23 23 39 30 15 16 15 17 10 500mb GPH (m): 5652 5584 5506 5478 5480 5517 5558 5606 5667 5708 5733 5747 5736 5739 5738 500mb Temp (C): -12.7 -14.2 -20.3 -22.3 -23.6 -22.1 -20.0 -16.2 -13.8 -12.7 -12.4 -12.2 -12.0 -13.0 -13.3 500mb Dewpt(C): -29.0 -15.9 -26.3 -28.4 -34.4 -42.0 -21.2 -25.5 -17.2 -21.2 -22.9 -23.2 -30.1 -24.5 -24.3 500mb RH (%): 25 87 60 58 37 16 90 45 75 49 41 40 21 38 40 500mb Dir: 216 210 209 183 189 105 61 128 43 53 57 44 61 109 77 500mb Speed(kt): 50 66 75 17 7 11 23 40 37 30 21 21 18 19 10 450mb GPH (m): 6447 6376 6279 6243 6241 6280 6329 6388 6459 6503 6529 6544 6534 6533 6531 450mb Temp (C): -18.2 -19.4 -24.6 -27.4 -29.2 -28.6 -26.5 -22.9 -19.6 -18.3 -17.9 -17.8 -17.6 -18.7 -19.8 450mb Dewpt(C): -23.9 -26.4 -28.4 -36.0 -44.1 -43.3 -26.5 -28.6 -22.7 -27.5 -28.0 -29.6 -34.7 -29.1 -25.9 450mb RH (%): 61 55 71 45 24 24 100 60 77 45 42 36 22 40 59 450mb Dir: 223 208 199 178 174 119 63 129 49 50 59 51 56 92 86 450mb Speed(kt): 51 66 72 26 13 15 14 49 35 33 26 22 20 20 15 400mb GPH (m): 7316 7240 7128 7080 7071 7113 7166 7241 7321 7371 7398 7412 7403 7399 7392 400mb Temp (C): -23.6 -25.9 -30.3 -33.3 -34.7 -33.7 -33.6 -28.1 -26.1 -24.9 -24.5 -25.0 -24.4 -24.8 -26.2 400mb Dewpt(C): -26.8 -34.2 -34.2 -45.2 -49.3 -51.8 -35.6 -32.2 -28.6 -34.7 -34.1 -33.4 -35.6 -33.7 -29.9 400mb RH (%): 76 47 70 31 23 16 82 69 80 41 42 47 36 45 71 400mb Dir: 220 209 189 175 175 114 63 112 61 48 52 57 68 70 92 400mb Speed(kt): 49 68 77 38 16 15 11 57 37 32 32 25 16 23 21 350mb GPH (m): 8278 8191 8061 8007 7994 8040 8095 8185 8271 8324 8353 8367 8358 8355 8343 350mb Temp (C): -30.8 -32.8 -37.8 -38.2 -38.6 -37.6 -36.7 -35.0 -33.9 -33.3 -32.2 -32.2 -32.5 -32.4 -32.9 350mb Dewpt(C): -36.0 -39.7 -43.6 -56.7 -58.5 -64.2 -61.4 -39.9 -36.9 -41.4 -40.9 -42.6 -43.2 -43.8 -37.9 350mb RH (%): 61 51 56 14 12 5 7 62 75 45 43 36 35 33 62 350mb Dir: 218 207 184 170 168 117 103 113 72 53 45 58 79 58 73 350mb Speed(kt): 48 73 82 49 18 16 24 68 44 31 36 30 18 20 28 300mb GPH (m): 9352 9259 9114 9062 9052 9099 9154 9242 9331 9389 9423 9436 9426 9420 9407 300mb Temp (C): -39.6 -40.4 -41.0 -40.0 -39.2 -39.2 -40.5 -42.3 -42.4 -40.7 -40.1 -40.7 -41.2 -42.0 -42.3 300mb Dewpt(C): -45.9 -47.3 -65.1 -68.2 -73.7 -78.6 -69.3 -50.9 -45.8 -58.1 -51.5 -49.0 -44.8 -52.5 -48.2 300mb RH (%): 53 49 7 4 2 1 4 40 70 15 30 42 69 33 54 300mb Dir: 220 202 189 179 170 99 105 121 80 60 51 49 68 93 77 300mb Speed(kt): 47 74 74 42 10 13 23 71 48 30 38 34 26 27 38 250mb GPH (m): 10571 10477 10346 10302 10295 10340 10387 10459 10541 10605 10641 10650 10635 10625 10612 250mb Temp (C): -49.7 -49.4 -44.0 -41.8 -41.3 -42.1 -43.4 -47.1 -49.8 -50.4 -49.6 -50.9 -51.4 -52.3 -51.5 250mb Dewpt(C): -56.0 -56.3 -74.7 -75.5 -79.8 -80.4 -76.8 -72.3 -63.5 -57.2 -60.8 -56.7 -54.9 -61.5 -59.8 250mb RH (%): 50 46 3 2 1 1 2 5 20 46 28 52 68 35 39 250mb Dir: 218 208 193 191 331 52 71 119 84 64 46 53 55 82 77 250mb Speed(kt): 45 72 68 28 2 9 19 37 44 33 36 36 32 30 29 200mb GPH (m): 11989 11913 11827 11802 11799 11836 11876 11926 11979 12032 12062 12069 12052 12043 12034 200mb Temp (C): -61.7 -56.1 -48.6 -44.9 -44.2 -45.9 -46.4 -50.0 -56.3 -57.3 -60.3 -58.9 -59.0 -58.5 -57.6 200mb Dewpt(C): -67.3 -69.9 -85.3 -82.0 -81.0 -82.7 -83.0 -81.1 -71.4 -70.3 -66.3 -66.1 -64.4 -65.8 -69.0 200mb RH (%): 50 19 1 1 1 1 1 2 15 20 48 41 52 41 25 200mb Dir: 234 214 209 226 1 8 28 61 54 38 45 48 58 64 83 200mb Speed(kt): 40 63 56 18 7 12 20 28 37 37 37 38 32 33 28 150mb GPH (m): 13761 13734 13716 13709 13708 13734 13768 13797 13813 13846 13863 13875 13854 13854 13854 150mb Temp (C): -60.7 -54.8 -49.4 -48.5 -48.5 -49.4 -50.6 -52.4 -54.5 -56.4 -55.7 -58.1 -58.6 -57.8 -57.7 150mb Dewpt(C): -77.8 -84.8 -85.1 -85.2 -84.5 -85.1 -86.0 -87.3 -88.8 -90.2 -81.0 -82.2 -82.8 -84.2 -84.2 150mb RH (%): 11 2 1 1 1 1 1 1 1 1 4 4 4 3 3 150mb Dir: 254 233 239 251 345 351 19 36 43 48 38 51 67 85 97 150mb Speed(kt): 37 31 23 9 11 14 20 22 28 26 26 26 22 21 15 100mb GPH (m): 16315 16329 16338 16351 16334 16361 16388 16403 16399 16422 16435 16444 16422 16426 16425 100mb Temp (C): -55.9 -53.3 -53.3 -52.8 -53.7 -53.9 -54.1 -54.5 -55.6 -56.5 -56.1 -56.6 -56.7 -56.8 -56.2 100mb Dewpt(C): -89.8 -87.9 -87.9 -87.6 -88.2 -88.4 -88.5 -88.7 -89.6 -90.2 -89.9 -90.3 -90.4 -90.4 -90.0 100mb RH (%): 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 100mb Dir: 261 249 264 324 343 0 2 30 35 38 73 84 98 132 172 100mb Speed(kt): 15 15 14 8 9 9 11 10 11 12 8 8 9 14 11