Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 31, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 1002.1 1000.8 998.4 997.6 996.0 994.7 991.7 992.0 991.4 991.3 990.1 990.9 992.9 993.8 993.8 Mean SLP (mb): 1027.3 1025.4 1022.5 1022.1 1020.6 1018.4 1015.1 1015.8 1015.4 1014.8 1013.3 1014.6 1017.1 1017.9 1017.7 2m agl Tmp (F): 42.9 56.6 65.7 56.0 49.5 72.0 79.5 69.9 64.4 75.5 82.3 71.5 58.3 65.6 67.6 2m agl Dewpt(F): 39.2 44.2 45.9 43.0 42.2 52.0 47.3 45.4 41.9 52.3 53.7 55.8 52.2 51.2 52.8 2m agl RH (%): 86 63 48 61 76 48 31 40 43 43 36 57 80 59 58 10m agl Dir: 339 299 322 325 54 61 33 64 79 92 47 112 182 221 231 10m agl Spd(kt): 1 6 9 3 3 4 5 7 9 10 2 3 4 5 5 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 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Sfc CAPE (J/kg): 0.0 2.7 0.6 0.0 0.0 4.6 0.9 0.0 0.0 0.0 12.2 0.8 0.7 0.0 29.2 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 -111.1 -1.4 0.0 -0.3 0.0 -1.1 -1.5 -4.5 0.0 -3.6 0-3km Hel(J/kg): -2.2 42.2 39.2 59.7 10.6 -12.9 53.5 131.4 141.1 138.1 72.3 85.5 74.4 78.0 -1.4 Precip H20 (in): 0.43 0.41 0.45 0.44 0.43 0.46 0.43 0.48 0.41 0.46 0.59 0.71 0.87 0.77 0.95 Lifted Index(C): 8.9 7.4 3.2 5.3 3.5 0.6 1.0 5.1 7.2 4.7 1.0 2.1 -0.6 4.7 1.9 700mb VV(-ub/s): 0.3 -1.3 -2.1 -1.0 -1.9 -2.3 -1.5 -1.5 1.1 -0.1 1.4 1.6 3.3 5.2 -3.5 Thk1000-500mb(m)5458.6 5477.3 5515.5 5536.9 5548.9 5573.0 5607.9 5615.2 5614.3 5630.7 5656.8 5641.2 5584.4 5562.2 5548.9 Thk1000-850mb(m)1324.2 1334.2 1355.4 1357.9 1361.7 1377.5 1395.1 1391.3 1382.4 1388.8 1404.0 1395.9 1368.2 1364.9 1366.9 Thk850-700mb(m):1550.0 1557.9 1568.4 1576.8 1578.3 1582.2 1594.4 1597.7 1598.8 1601.1 1605.2 1600.6 1592.8 1584.2 1574.7 SWEAT Index: 42.9 35.9 26.2 16.9 29.0 40.3 25.9 38.7 33.1 22.8 88.2 110.5 152.8 93.3 54.8 Total Totals Idx 40.1 38.8 44.0 41.8 47.7 44.8 46.9 40.5 37.2 36.9 45.6 45.5 49.7 45.5 44.3 Frz Hgt(ft amsl) 7494 8140 9294 10257 10544 11384 11557 11578 11609 12027 12303 12329 11663 9904 9446 0WetBlbHgt(amsl) 5292 4996 6134 6787 6708 6766 7186 7968 7197 7550 7747 7890 7869 6394 8157 Equil Prs (mb): 1002 1001 998 998 996 352 399 992 991 991 332 991 993 642 442 Equil Hgt(amsl): 26 26 26 26 26 27110 24289 26 26 26 28758 26 26 12401 21692 Hail Size(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.01 0.00 0.02 0.08 Conv Wind Gust: 36.1 37.0 45.7 43.0 47.0 53.5 58.7 52.8 52.4 55.4 58.0 50.3 48.2 49.3 41.7 Showalter Index: 8.8 9.0 5.8 6.4 2.8 4.4 2.6 5.9 7.6 7.7 2.2 2.1 0.1 3.2 4.5 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 1.5 2.3 -999.9 -999.9 -999.9 1.3 -999.9 -999.9 3.3 0.0 Storm Dir (deg): 356 36 36 61 81 103 84 123 138 220 261 231 230 243 265 Storm Spd (kts): 7 6 7 6 7 7 5 8 9 8 7 9 13 11 9 2m HeatIndex(F): 43 57 66 56 49 72 79 70 64 75 81 71 58 66 68 2m WindChill(F): 43 57 66 56 49 72 79 70 64 75 82 71 58 66 68 1000mb GPH (m): 221 211 190 184 170 158 131 135 130 128 117 125 144 151 151 950mb GPH (m): 641 636 625 615 600 598 578 578 569 571 566 571 576 586 588 950mb Temp (C): 5.4 7.4 13.2 12.4 13.2 17.3 21.6 20.6 18.4 19.0 23.3 21.2 13.1 13.0 15.0 950mb Dewpt(C): 1.9 4.9 5.5 4.8 3.0 6.9 5.1 4.4 5.9 8.7 9.1 9.0 7.5 8.7 10.0 950mb RH (%): 78 84 59 59 49 50 33 33 43 50 39 45 68 75 71 950mb Dir: 341 306 328 6 59 73 41 90 95 95 79 170 193 214 233 950mb Speed(kt): 9 6 12 14 5 7 7 22 28 15 2 4 9 5 5 900mb GPH (m): 1082 1078 1076 1067 1054 1057 1043 1042 1030 1033 1034 1036 1031 1039 1043 900mb Temp (C): 4.2 5.0 8.7 10.9 13.0 14.2 17.2 17.4 16.3 16.8 19.0 17.9 14.1 12.6 11.0 900mb Dewpt(C): 2.5 1.3 4.4 0.8 0.8 2.1 3.9 1.6 0.5 1.9 8.0 7.9 6.7 1.0 8.2 900mb RH (%): 89 77 74 49 43 43 40 34 34 36 48 51 60 44 82 900mb Dir: 350 338 336 38 80 90 47 105 111 117 89 159 201 204 228 900mb Speed(kt): 14 9 13 10 7 14 8 23 22 19 2 6 10 9 3 850mb GPH (m): 1545 1545 1546 1542 1532 1535 1526 1526 1513 1516 1520 1521 1512 1516 1518 850mb Temp (C): 2.3 4.8 6.5 9.0 10.3 10.2 13.0 13.6 13.4 13.4 14.3 13.5 11.3 9.9 8.4 850mb Dewpt(C): -1.7 -6.9 -2.8 -6.0 -0.4 -1.4 0.0 -1.2 -2.1 -0.9 5.6 6.7 7.2 4.2 2.2 850mb RH (%): 75 42 51 34 47 44 40 36 33 37 55 63 75 67 65 850mb Dir: 342 15 8 46 91 96 63 109 116 141 114 163 206 202 236 850mb Speed(kt): 16 17 10 4 11 19 11 17 11 6 2 6 7 8 6 800mb GPH (m): 2033 2037 2041 2041 2031 2035 2031 2032 2018 2022 2028 2028 2015 2017 2015 800mb Temp (C): 0.9 2.6 4.6 6.2 5.8 6.4 9.1 9.7 9.6 9.7 10.2 9.9 7.7 7.9 5.1 800mb Dewpt(C): -10.5 -13.7 -10.1 -8.1 -7.3 -8.2 -9.1 -2.6 -9.7 -6.9 -3.2 -1.8 5.8 -21.6 -4.7 800mb RH (%): 42 29 34 35 38 34 26 41 24 30 38 44 88 10 49 800mb Dir: 346 15 76 78 88 93 87 125 105 173 195 170 186 190 225 800mb Speed(kt): 15 15 6 8 14 19 14 8 4 8 9 11 11 11 13 750mb GPH (m): 2550 2555 2563 2565 2556 2561 2560 2563 2549 2554 2562 2560 2545 2545 2539 750mb Temp (C): -1.0 -0.4 1.6 2.4 2.8 3.7 5.5 5.4 6.5 7.6 8.1 6.8 6.0 4.2 1.7 750mb Dewpt(C): -24.9 -20.2 -18.4 -11.2 -17.6 -24.3 -26.5 -11.6 -35.1 -30.0 -39.1 -18.4 -22.1 -18.2 -1.8 750mb RH (%): 15 21 21 36 21 11 8 28 3 5 2 15 11 18 78 750mb Dir: 344 16 63 83 79 90 109 189 141 202 208 191 192 198 226 750mb Speed(kt): 9 12 7 9 11 14 10 3 2 8 12 15 17 16 15 700mb GPH (m): 3095 3103 3114 3119 3110 3118 3120 3124 3111 3117 3126 3122 3105 3100 3092 700mb Temp (C): -4.7 -3.3 -1.6 0.0 0.4 2.0 3.2 3.5 3.5 3.4 4.2 3.4 2.3 -0.7 -1.0 700mb Dewpt(C): -18.7 -27.8 -27.7 -28.7 -29.5 -34.1 -39.2 -40.0 -42.0 -30.3 -42.2 -33.7 -22.2 -8.8 -4.2 700mb RH (%): 33 13 12 10 9 5 3 3 2 7 2 5 15 54 79 700mb Dir: 330 28 47 47 38 43 108 286 259 240 222 207 203 203 249 700mb Speed(kt): 7 9 7 6 8 8 2 6 6 7 13 14 18 20 12 650mb GPH (m): 3676 3686 3701 3709 3701 3711 3715 3718 3706 3713 3723 3718 3699 3687 3681 650mb Temp (C): -6.5 -5.2 -4.1 -2.6 -2.0 -1.4 -1.5 -1.6 -1.4 -0.3 0.2 0.2 -0.7 -4.9 -4.3 650mb Dewpt(C): -31.2 -35.5 -40.2 -41.6 -47.5 -36.5 -34.7 -30.6 -37.7 -38.9 -32.8 -33.1 -22.2 -5.2 -7.0 650mb RH (%): 13 8 4 3 2 5 6 9 5 4 7 6 18 98 81 650mb Dir: 301 26 14 12 19 18 266 284 263 258 230 220 214 210 266 650mb Speed(kt): 5 7 10 9 11 8 4 10 10 11 15 17 21 22 21 600mb GPH (m): 4298 4309 4326 4336 4331 4341 4345 4349 4338 4347 4359 4354 4332 4313 4307 600mb Temp (C): -8.6 -9.2 -8.7 -7.5 -6.6 -7.2 -6.5 -5.6 -5.3 -4.4 -3.4 -3.8 -6.0 -7.4 -8.1 600mb Dewpt(C): -62.9 -53.0 -38.1 -37.1 -40.4 -37.9 -48.6 -42.2 -43.0 -35.7 -26.3 -24.9 -13.6 -7.8 -10.9 600mb RH (%): 1 2 8 8 5 7 2 4 4 7 16 18 55 97 80 600mb Dir: 270 28 14 15 11 355 274 283 279 272 241 223 209 224 254 600mb Speed(kt): 4 6 10 10 11 6 6 11 13 13 14 19 27 23 21 550mb GPH (m): 4965 4975 4992 5005 5001 5012 5018 5024 5014 5025 5040 5034 5005 4987 4978 550mb Temp (C): -13.9 -14.5 -14.1 -13.4 -12.7 -12.3 -11.5 -10.8 -9.4 -8.7 -7.6 -8.4 -12.0 -10.7 -12.2 550mb Dewpt(C): -67.5 -51.5 -49.3 -39.3 -39.2 -42.3 -46.3 -41.0 -43.9 -43.3 -36.0 -32.5 -17.0 -12.8 -13.9 550mb RH (%): 0 3 4 10 9 7 4 7 5 5 9 13 67 84 87 550mb Dir: 252 29 14 24 11 316 302 291 290 283 254 217 194 229 225 550mb Speed(kt): 5 2 9 10 8 4 6 7 12 10 16 18 33 22 15 500mb GPH (m): 5680 5688 5706 5721 5719 5731 5739 5750 5744 5758 5773 5767 5728 5714 5700 500mb Temp (C): -19.7 -20.5 -20.1 -19.4 -18.9 -18.0 -17.0 -14.0 -13.0 -12.2 -12.9 -12.6 -15.6 -15.7 -16.9 500mb Dewpt(C): -51.9 -38.8 -45.0 -45.7 -42.8 -45.2 -50.7 -49.7 -43.1 -45.2 -41.3 -39.7 -16.9 -19.3 -18.0 500mb RH (%): 4 19 10 8 11 8 4 4 6 5 8 9 90 74 91 500mb Dir: 242 160 20 33 360 296 296 23 292 283 262 208 200 222 197 500mb Speed(kt): 10 1 6 9 6 3 5 4 11 10 16 18 37 26 17 450mb GPH (m): 6450 6456 6476 6494 6494 6509 6521 6541 6538 6554 6568 6561 6519 6497 6481 450mb Temp (C): -26.6 -26.8 -26.4 -25.3 -24.4 -23.7 -21.8 -19.4 -19.0 -18.2 -18.5 -19.2 -18.7 -22.1 -22.8 450mb Dewpt(C): -33.6 -40.6 -42.5 -46.2 -52.1 -52.9 -53.3 -40.3 -32.2 -35.5 -48.6 -27.0 -20.5 -27.3 -25.4 450mb RH (%): 53 27 22 13 7 6 5 15 31 21 6 50 86 63 80 450mb Dir: 238 190 7 29 352 10 183 19 322 271 260 201 207 218 196 450mb Speed(kt): 17 4 4 10 7 4 5 10 12 9 15 19 27 33 20 400mb GPH (m): 7290 7293 7314 7337 7341 7357 7377 7405 7404 7421 7435 7425 7388 7353 7333 400mb Temp (C): -32.5 -33.7 -33.1 -31.6 -30.4 -30.0 -27.8 -25.9 -25.0 -24.7 -24.4 -25.0 -24.0 -27.8 -28.7 400mb Dewpt(C): -44.3 -45.2 -50.0 -52.0 -53.5 -52.3 -55.4 -39.4 -40.8 -50.4 -57.7 -28.1 -26.2 -37.9 -34.0 400mb RH (%): 31 32 18 13 10 11 6 28 22 8 3 75 82 39 61 400mb Dir: 233 212 350 2 344 5 126 13 324 276 247 206 212 195 224 400mb Speed(kt): 19 8 6 14 17 7 13 10 14 9 12 17 23 41 23 350mb GPH (m): 8213 8213 8239 8268 8275 8293 8322 8354 8358 8376 8393 8385 8348 8297 8281 350mb Temp (C): -41.1 -41.2 -39.2 -37.6 -37.0 -36.6 -34.7 -33.8 -32.9 -32.5 -31.6 -30.0 -31.1 -34.2 -33.0 350mb Dewpt(C): -52.0 -56.4 -59.9 -61.5 -55.4 -59.5 -55.1 -45.6 -50.1 -49.7 -54.6 -32.6 -34.0 -53.0 -57.2 350mb RH (%): 32 19 10 7 14 9 12 31 18 18 9 78 76 15 8 350mb Dir: 226 214 341 346 337 349 114 36 329 282 266 226 205 179 269 350mb Speed(kt): 22 11 19 29 35 13 23 7 12 8 9 17 24 42 26 300mb GPH (m): 9241 9245 9280 9315 9324 9344 9379 9414 9421 9441 9465 9462 9418 9361 9356 300mb Temp (C): -49.4 -47.2 -45.8 -44.8 -44.6 -43.9 -43.7 -43.3 -42.4 -42.0 -39.9 -39.7 -41.4 -40.7 -36.7 300mb Dewpt(C): -58.9 -64.1 -64.2 -61.2 -59.1 -64.6 -55.6 -48.9 -51.9 -54.4 -49.9 -44.7 -44.7 -64.3 -63.9 300mb RH (%): 34 14 12 16 20 9 27 56 37 26 35 60 71 7 5 300mb Dir: 222 265 337 342 333 334 101 54 326 297 287 231 197 190 292 300mb Speed(kt): 22 9 33 45 46 23 24 10 12 10 20 17 29 35 50 250mb GPH (m): 10420 10440 10477 10513 10523 10546 10577 10616 10624 10650 10682 10678 10628 10586 10603 250mb Temp (C): -52.7 -50.0 -50.7 -51.3 -51.8 -51.2 -51.4 -52.7 -52.7 -51.0 -50.4 -50.4 -50.0 -45.7 -42.7 250mb Dewpt(C): -67.0 -71.0 -68.1 -66.6 -66.6 -69.4 -67.1 -59.9 -60.6 -61.8 -56.7 -55.8 -56.5 -70.2 -65.4 250mb RH (%): 18 8 13 16 17 11 16 44 40 29 49 55 48 6 8 250mb Dir: 218 293 332 338 332 332 47 73 315 305 284 233 198 228 294 250mb Speed(kt): 19 5 31 42 41 28 11 17 14 26 27 18 28 27 65 200mb GPH (m): 11868 11898 11927 11955 11959 11983 12015 12040 12042 12072 12102 12103 12070 12057 12083 200mb Temp (C): -50.4 -50.0 -51.2 -52.3 -52.9 -53.8 -53.9 -55.0 -56.2 -57.5 -58.4 -57.4 -53.9 -49.3 -49.7 200mb Dewpt(C): -78.3 -80.9 -78.4 -79.1 -77.7 -76.9 -77.5 -77.0 -74.2 -69.7 -64.9 -65.6 -73.0 -80.8 -73.8 200mb RH (%): 3 2 3 3 4 5 5 6 10 22 46 37 10 2 5 200mb Dir: 227 220 313 345 321 345 323 331 315 305 288 248 242 266 294 200mb Speed(kt): 14 7 11 15 14 16 9 16 17 22 22 18 25 37 58 150mb GPH (m): 13739 13770 13792 13815 13813 13833 13861 13882 13877 13901 13922 13932 13919 13925 13943 150mb Temp (C): -51.2 -51.0 -51.8 -52.2 -52.4 -52.8 -53.4 -53.5 -54.0 -54.4 -55.3 -54.5 -53.1 -53.0 -53.6 150mb Dewpt(C): -86.4 -86.3 -86.8 -87.1 -87.3 -87.6 -88.0 -88.1 -87.6 -84.5 -84.9 -84.3 -83.2 -87.6 -83.4 150mb RH (%): 1 1 1 1 1 1 1 1 1 2 2 2 2 1 2 150mb Dir: 200 206 198 261 274 236 304 278 284 286 276 268 267 280 286 150mb Speed(kt): 17 12 8 6 4 7 8 4 13 11 15 18 26 33 39 100mb GPH (m): 16370 16400 16416 16436 16426 16446 16472 16487 16480 16497 16515 16525 16507 16518 16531 100mb Temp (C): -51.9 -52.0 -52.4 -52.8 -53.8 -53.3 -53.1 -54.0 -54.0 -54.1 -54.3 -54.7 -55.8 -55.1 -56.1 100mb Dewpt(C): -86.4 -87.0 -87.3 -83.1 -88.3 -87.9 -87.8 -83.9 -88.4 -84.0 -88.6 -88.9 -89.7 -89.2 -89.9 100mb RH (%): 1 1 1 2 1 1 1 2 1 2 1 1 1 1 1 100mb Dir: 186 184 201 178 197 179 189 214 215 220 247 264 259 280 275 100mb Speed(kt): 18 18 14 14 10 11 10 7 8 6 14 9 16 15 18