Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z MAY 15, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 997.7 997.6 997.6 997.5 995.7 995.1 995.9 996.7 997.5 998.8 999.1 1000.4 998.8 999.3 999.2 Mean SLP (mb): 1022.3 1022.3 1022.5 1022.2 1020.2 1019.9 1020.9 1021.6 1022.4 1023.9 1024.3 1025.4 1023.4 1024.1 1024.1 2m agl Tmp (F): 51.7 50.8 47.0 51.5 52.7 46.7 44.0 46.5 47.0 42.8 41.3 48.1 56.1 48.8 45.3 2m agl Dewpt(F): 50.0 46.7 45.0 42.7 40.4 44.1 42.0 42.9 40.1 37.3 38.4 39.4 41.3 41.7 41.0 2m agl RH (%): 93 86 93 71 62 91 92 87 77 81 89 71 57 76 85 10m agl Dir: 331 238 256 207 233 221 234 221 273 290 262 286 306 297 275 10m agl Spd(kt): 3 8 4 8 10 9 7 9 9 5 4 5 7 5 3 6hr Precip (in): 0.00 0.05 0.02 0.01 0.00 0.11 0.15 0.13 0.15 0.04 0.01 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.05 0.06 0.07 0.08 0.19 0.33 0.47 0.62 0.65 0.66 0.66 0.66 0.66 0.66 Sfc CAPE (J/kg): 89.0 57.1 70.4 67.6 48.6 77.4 80.9 129.6 110.9 12.9 25.3 32.1 16.1 0.0 0.2 Sfc CINH (J/kg): 0.0 -0.3 0.0 0.0 0.0 -0.7 0.0 0.0 0.0 -0.1 0.0 -0.3 0.0 -1.1 0.0 0-3km Hel(J/kg): 140.4 115.3 110.9 154.7 105.8 145.5 116.0 161.3 61.4 50.4 127.3 99.5 40.4 41.1 23.6 Precip H20 (in): 0.69 0.56 0.52 0.64 0.62 0.56 0.50 0.53 0.51 0.39 0.40 0.44 0.47 0.48 0.57 Lifted Index(C): 3.6 5.8 6.9 7.5 8.5 8.6 8.5 4.2 4.2 5.4 7.6 8.0 4.5 9.0 8.3 700mb VV(-ub/s): -0.7 -2.9 -0.6 -0.7 4.4 1.3 5.1 6.0 5.4 -2.6 -2.2 -3.1 -2.6 1.1 1.7 Thk1000-500mb(m)5428.2 5427.3 5406.3 5397.0 5395.3 5367.5 5333.4 5317.9 5308.5 5304.3 5336.2 5381.4 5426.9 5430.4 5415.6 Thk1000-850mb(m)1332.1 1328.4 1318.3 1319.7 1328.0 1320.3 1312.1 1313.3 1314.6 1305.5 1302.2 1309.3 1330.8 1325.0 1321.0 Thk850-700mb(m):1541.6 1539.3 1533.3 1529.0 1525.7 1521.3 1511.4 1514.1 1511.5 1507.6 1521.1 1534.1 1547.1 1552.1 1544.9 SWEAT Index: 180.0 90.9 77.2 166.7 189.5 106.9 112.2 111.3 95.7 76.1 62.6 60.5 43.7 35.5 58.5 Total Totals Idx 46.9 43.8 42.5 41.0 40.0 40.0 41.7 49.4 48.9 49.9 45.4 43.7 47.5 39.7 41.2 Frz Hgt(ft amsl) 5994 5470 4372 4355 4731 4386 3600 3703 3691 3032 2698 3354 7099 7698 6845 0WetBlbHgt(amsl) 5798 5199 4284 4007 4614 4330 3517 3643 3643 2789 2633 3241 4864 4867 4692 Equil Prs (mb): 693 778 785 746 684 637 669 562 548 793 847 827 999 999 999 Equil Hgt(amsl): 10282 7291 6991 8297 10482 12204 10969 15241 15870 6707 5011 5703 26 26 26 Hail Size(in): -0.04 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 Conv Wind Gust: 24.6 24.1 21.7 28.1 35.2 25.4 23.8 29.3 31.6 20.4 19.6 20.7 24.4 23.4 26.3 Showalter Index: 5.1 7.0 8.6 9.5 9.5 9.8 9.5 5.6 6.1 5.9 8.3 8.8 5.6 9.2 8.6 Cap Strength(C): -0.9 1.2 2.3 -999.9 -999.9 -0.7 -1.0 -1.6 0.0 0.1 0.0 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 289 304 304 286 283 290 307 311 326 6 37 39 16 341 342 Storm Spd (kts): 22 21 19 23 26 24 23 22 18 12 15 12 9 8 11 2m HeatIndex(F): 52 51 47 51 53 47 44 46 47 43 41 48 56 49 45 2m WindChill(F): 52 51 47 51 53 47 44 46 47 43 41 48 56 49 45 1000mb GPH (m): 184 184 184 183 168 163 170 177 184 194 196 207 194 198 197 950mb GPH (m): 609 609 605 605 593 584 589 597 605 611 612 626 621 621 617 950mb Temp (C): 7.2 6.6 4.7 5.3 7.5 5.2 3.7 3.9 4.7 2.1 1.6 3.2 8.3 6.4 5.0 950mb Dewpt(C): 7.0 6.3 4.4 4.3 3.4 4.9 3.4 3.6 2.4 1.5 1.3 2.2 3.5 4.4 3.7 950mb RH (%): 98 98 98 93 75 98 98 98 85 96 98 93 72 87 91 950mb Dir: 297 248 274 207 235 227 245 225 280 297 299 292 311 321 323 950mb Speed(kt): 7 16 8 10 18 21 16 15 19 10 9 6 10 13 8 900mb GPH (m): 1053 1050 1044 1044 1035 1024 1026 1034 1042 1044 1045 1062 1064 1061 1056 900mb Temp (C): 4.9 3.4 1.9 1.7 3.2 2.6 0.4 0.6 0.6 -0.8 -1.7 -0.3 3.9 2.6 2.9 900mb Dewpt(C): 3.6 3.1 1.6 0.5 2.2 2.3 0.1 0.4 0.4 -2.1 -2.0 -0.8 2.5 2.2 1.4 900mb RH (%): 91 98 98 92 93 98 98 98 99 91 98 97 91 97 90 900mb Dir: 252 273 277 223 235 255 265 238 287 312 336 332 316 352 329 900mb Speed(kt): 16 16 12 15 22 25 20 21 22 14 13 11 11 10 7 850mb GPH (m): 1516 1512 1502 1502 1495 1483 1482 1490 1498 1499 1498 1517 1525 1523 1518 850mb Temp (C): 1.8 0.9 -1.1 -1.1 -0.4 -1.2 -2.4 -2.3 -2.9 -3.2 -3.6 -2.8 0.1 1.8 1.6 850mb Dewpt(C): 0.7 0.1 -1.5 -2.5 -0.9 -1.5 -2.7 -2.6 -3.2 -5.2 -5.5 -3.7 -0.7 -2.8 -3.2 850mb RH (%): 92 94 97 90 97 98 98 98 98 86 86 93 94 71 70 850mb Dir: 242 267 269 235 241 274 275 269 302 313 339 348 345 313 331 850mb Speed(kt): 19 18 14 18 25 22 22 23 25 16 14 17 12 5 12 800mb GPH (m): 2003 1997 1983 1983 1977 1964 1960 1969 1976 1976 1977 1998 2012 2012 2005 800mb Temp (C): -1.0 -2.0 -3.6 -4.1 -3.3 -3.6 -5.5 -5.3 -5.6 -6.5 -4.3 -2.4 0.8 2.0 0.5 800mb Dewpt(C): -1.3 -3.7 -5.7 -6.2 -3.6 -4.0 -5.9 -5.5 -5.9 -9.0 -12.1 -8.1 -8.8 -12.0 -9.0 800mb RH (%): 98 88 85 85 98 97 97 98 98 82 55 64 49 35 49 800mb Dir: 245 261 271 245 251 261 271 275 300 313 357 3 22 323 328 800mb Speed(kt): 20 21 19 19 26 24 23 24 24 15 16 16 12 7 10 750mb GPH (m): 2515 2509 2493 2490 2485 2471 2463 2473 2479 2477 2483 2509 2527 2529 2520 750mb Temp (C): -3.5 -2.8 -3.5 -5.3 -6.1 -7.1 -8.8 -8.3 -8.9 -9.3 -6.4 -3.5 -1.8 -1.1 -2.5 750mb Dewpt(C): -3.7 -14.1 -22.4 -13.5 -6.5 -7.3 -9.3 -8.5 -9.2 -15.2 -15.0 -13.9 -15.2 -21.1 -13.9 750mb RH (%): 98 41 22 53 97 98 96 98 97 62 51 45 35 20 41 750mb Dir: 257 268 275 260 254 257 273 282 296 318 10 16 11 321 313 750mb Speed(kt): 24 25 26 30 27 26 23 24 23 12 20 13 10 6 10 700mb GPH (m): 3058 3052 3036 3031 3021 3005 2993 3004 3010 3007 3019 3051 3072 3075 3063 700mb Temp (C): -6.0 -6.2 -5.4 -6.5 -9.2 -11.8 -12.7 -12.0 -12.2 -12.1 -9.0 -6.8 -4.9 -4.6 -6.4 700mb Dewpt(C): -9.1 -14.2 -29.6 -8.3 -10.0 -12.6 -15.0 -12.4 -13.2 -25.9 -19.7 -20.2 -21.8 -26.9 -23.2 700mb RH (%): 79 53 13 87 94 94 83 97 92 31 42 34 26 16 25 700mb Dir: 261 275 274 264 252 252 275 289 293 338 12 17 5 296 297 700mb Speed(kt): 32 29 31 41 32 31 26 26 21 13 23 15 11 6 10 650mb GPH (m): 3635 3627 3613 3607 3591 3569 3556 3567 3572 3570 3589 3625 3650 3653 3636 650mb Temp (C): -9.2 -9.2 -8.7 -9.9 -12.2 -14.4 -14.7 -16.0 -16.4 -15.1 -12.3 -9.9 -8.6 -8.6 -11.5 650mb Dewpt(C): -14.3 -32.6 -18.6 -12.4 -15.1 -28.2 -31.3 -18.8 -17.3 -32.1 -22.2 -26.0 -30.5 -32.6 -18.2 650mb RH (%): 66 14 45 82 79 31 24 79 93 23 44 26 16 13 58 650mb Dir: 256 279 275 261 250 252 278 293 289 352 14 21 3 281 269 650mb Speed(kt): 41 33 34 44 38 33 33 29 19 17 24 19 12 9 10 600mb GPH (m): 4249 4242 4228 4219 4199 4173 4158 4164 4168 4169 4194 4237 4264 4267 4245 600mb Temp (C): -13.3 -11.9 -12.5 -13.6 -14.7 -16.0 -18.2 -19.9 -20.8 -19.3 -17.3 -14.1 -13.3 -13.5 -14.2 600mb Dewpt(C): -18.5 -36.0 -22.9 -15.2 -25.9 -51.3 -38.0 -30.4 -24.3 -35.2 -31.9 -30.4 -42.0 -37.4 -15.3 600mb RH (%): 65 12 42 88 39 4 17 40 74 24 28 24 7 12 92 600mb Dir: 255 283 274 265 259 265 282 294 293 4 15 23 358 278 286 600mb Speed(kt): 47 39 36 47 50 39 41 36 21 19 29 22 14 11 19 550mb GPH (m): 4906 4902 4885 4875 4854 4825 4804 4805 4805 4811 4840 4890 4920 4922 4903 550mb Temp (C): -17.3 -16.1 -17.7 -18.3 -17.6 -18.6 -21.0 -23.8 -25.3 -23.7 -21.9 -19.5 -18.6 -18.7 -16.4 550mb Dewpt(C): -43.2 -34.6 -26.8 -20.7 -25.7 -41.8 -40.0 -32.0 -35.6 -36.6 -40.1 -38.2 -49.8 -41.0 -18.2 550mb RH (%): 9 20 46 82 50 12 17 47 39 31 19 18 5 13 86 550mb Dir: 262 283 275 263 258 270 285 293 300 7 20 22 353 290 318 550mb Speed(kt): 50 46 40 52 62 51 52 45 26 23 33 24 13 13 34 500mb GPH (m): 5613 5611 5590 5580 5563 5531 5503 5495 5492 5498 5532 5589 5621 5628 5612 500mb Temp (C): -22.2 -21.4 -22.5 -22.3 -20.7 -21.4 -23.4 -27.2 -27.4 -29.2 -27.3 -25.1 -24.1 -20.4 -21.4 500mb Dewpt(C): -41.5 -37.0 -32.7 -25.5 -27.3 -36.8 -38.4 -40.7 -51.8 -41.3 -46.7 -52.8 -52.8 -34.4 -23.9 500mb RH (%): 17 24 40 76 56 25 25 28 9 31 15 6 6 28 81 500mb Dir: 267 280 275 258 263 271 287 293 303 356 25 28 331 322 322 500mb Speed(kt): 56 53 48 57 68 63 68 57 47 25 34 26 20 26 35 450mb GPH (m): 6378 6380 6355 6346 6335 6302 6268 6248 6246 6244 6283 6344 6387 6403 6382 450mb Temp (C): -28.4 -26.7 -28.1 -27.0 -25.2 -25.1 -26.8 -30.5 -29.9 -32.5 -32.0 -30.5 -24.3 -23.8 -26.1 450mb Dewpt(C): -45.5 -43.1 -40.0 -30.0 -31.1 -35.0 -37.0 -43.4 -52.6 -53.0 -52.4 -54.5 -51.3 -26.4 -29.1 450mb RH (%): 19 21 32 76 58 40 39 29 10 12 12 9 7 80 77 450mb Dir: 267 274 275 264 266 271 287 299 305 333 18 5 336 321 317 450mb Speed(kt): 63 57 54 62 71 70 80 75 68 39 38 32 49 35 37 400mb GPH (m): 7210 7218 7187 7187 7180 7146 7108 7077 7078 7068 7107 7179 7241 7254 7221 400mb Temp (C): -34.2 -32.9 -34.8 -31.4 -31.2 -31.9 -32.7 -34.7 -33.4 -34.8 -34.6 -30.6 -27.9 -28.6 -33.1 400mb Dewpt(C): -55.0 -56.7 -44.8 -35.5 -37.7 -42.1 -43.2 -47.2 -53.6 -58.7 -56.9 -53.2 -39.4 -31.5 -36.8 400mb RH (%): 11 8 37 68 54 37 36 29 12 8 10 10 34 76 71 400mb Dir: 268 270 281 271 265 271 286 303 308 329 348 344 336 317 318 400mb Speed(kt): 74 62 66 76 75 69 83 92 87 68 58 73 65 43 40 350mb GPH (m): 8136 8144 8105 8120 8110 8073 8033 7997 8004 7995 8038 8124 8187 8198 8144 350mb Temp (C): -38.4 -39.7 -41.4 -37.6 -38.8 -39.2 -40.1 -40.5 -39.1 -37.2 -34.5 -33.8 -33.4 -34.8 -40.2 350mb Dewpt(C): -62.1 -63.9 -48.0 -41.4 -44.4 -46.8 -48.4 -52.7 -56.5 -60.6 -53.1 -42.9 -37.6 -37.5 -44.8 350mb RH (%): 7 7 50 69 57 46 42 27 16 8 15 41 67 77 62 350mb Dir: 268 268 278 271 260 273 285 305 310 330 340 342 331 314 318 350mb Speed(kt): 87 67 81 79 79 69 79 100 98 95 121 106 75 54 34 300mb GPH (m): 9183 9180 9134 9166 9149 9111 9068 9034 9048 9049 9102 9189 9257 9257 9178 300mb Temp (C): -43.4 -47.3 -48.3 -45.0 -46.7 -47.0 -47.6 -45.9 -44.3 -42.1 -40.8 -40.9 -38.9 -41.8 -47.7 300mb Dewpt(C): -69.4 -64.6 -54.8 -49.1 -52.8 -52.9 -55.1 -60.8 -62.0 -64.0 -57.8 -46.1 -47.6 -47.5 -55.3 300mb RH (%): 5 14 49 65 52 53 44 19 14 9 16 58 41 56 44 300mb Dir: 262 264 276 273 262 272 285 305 315 331 340 335 329 306 312 300mb Speed(kt): 92 71 85 82 77 67 77 90 100 110 144 113 101 60 29 250mb GPH (m): 10395 10369 10323 10359 10336 10297 10254 10238 10258 10268 10324 10411 10483 10474 10366 250mb Temp (C): -46.9 -51.1 -51.4 -54.3 -54.0 -53.6 -52.1 -47.9 -47.7 -46.3 -47.8 -47.4 -47.8 -48.1 -51.3 250mb Dewpt(C): -71.6 -71.7 -67.2 -58.5 -61.5 -60.3 -64.1 -71.8 -71.5 -72.3 -61.7 -53.9 -57.6 -60.4 -68.1 250mb RH (%): 5 8 15 62 42 46 24 6 6 5 21 49 34 25 14 250mb Dir: 260 265 270 277 264 271 281 300 316 330 339 337 324 303 306 250mb Speed(kt): 101 75 89 92 75 66 67 75 86 94 149 136 111 71 46 200mb GPH (m): 11872 11824 11769 11774 11762 11736 11705 11707 11727 11741 11772 11849 11922 11916 11812 200mb Temp (C): -47.6 -49.2 -51.0 -55.0 -53.3 -51.0 -49.4 -49.0 -48.5 -48.9 -52.8 -57.8 -57.7 -55.8 -52.2 200mb Dewpt(C): -78.8 -80.2 -79.1 -75.7 -74.4 -75.1 -80.4 -84.8 -83.9 -80.1 -75.8 -65.8 -71.8 -73.5 -77.9 200mb RH (%): 2 2 3 7 7 5 2 1 1 2 6 38 17 11 4 200mb Dir: 258 257 259 266 268 267 284 299 311 328 341 337 324 295 302 200mb Speed(kt): 86 70 60 68 67 51 48 60 62 76 104 143 114 86 45 150mb GPH (m): 13763 13714 13641 13625 13622 13605 13582 13587 13607 13620 13627 13674 13723 13725 13668 150mb Temp (C): -50.7 -50.1 -50.8 -51.7 -51.3 -51.2 -51.1 -50.5 -50.9 -50.6 -53.1 -55.0 -58.3 -59.7 -54.3 150mb Dewpt(C): -86.0 -85.6 -86.2 -86.8 -86.5 -86.4 -86.4 -85.9 -86.2 -86.0 -87.8 -88.8 -82.5 -77.6 -81.7 150mb RH (%): 1 1 1 1 1 1 1 1 1 1 1 1 4 10 3 150mb Dir: 242 257 257 275 267 267 278 289 299 323 331 331 328 316 294 150mb Speed(kt): 55 51 54 48 39 41 39 38 39 43 48 50 52 42 41 100mb GPH (m): 16363 16319 16263 16250 16243 16232 16209 16219 16230 16242 16231 16256 16279 16280 16243 100mb Temp (C): -57.0 -56.0 -53.7 -53.0 -52.7 -51.2 -51.6 -52.0 -52.6 -53.2 -54.1 -55.2 -57.2 -55.9 -56.2 100mb Dewpt(C): -90.5 -89.9 -88.2 -87.7 -87.5 -86.5 -82.1 -87.0 -82.9 -83.3 -84.0 -99.3 -86.3 -85.4 -90.0 100mb RH (%): 1 1 1 1 1 1 2 1 2 2 2 0 2 2 1 100mb Dir: 247 241 258 254 256 262 281 289 296 314 319 339 322 301 310 100mb Speed(kt): 32 36 34 24 30 27 25 20 24 22 27 24 22 19 16