Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z AUG 27, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 992.0 992.4 992.6 994.1 993.2 994.5 994.8 995.7 993.2 994.1 994.2 995.5 995.8 996.8 996.7 Mean SLP (mb): 1015.4 1016.2 1016.7 1018.1 1016.9 1018.7 1019.1 1019.9 1017.0 1018.4 1018.5 1019.8 1020.0 1021.3 1021.4 2m agl Tmp (F): 78.3 69.4 62.6 64.6 70.9 60.8 56.1 61.5 68.8 56.6 55.3 57.7 61.0 53.1 49.7 2m agl Dewpt(F): 58.8 59.2 57.7 56.8 55.2 55.0 52.8 53.6 53.0 52.7 52.1 52.9 49.0 49.5 48.7 2m agl RH (%): 50 69 83 75 57 81 88 74 56 86 89 84 64 87 96 10m agl Dir: 246 250 209 216 264 324 310 278 304 299 273 263 294 313 240 10m agl Spd(kt): 4 4 3 6 6 6 3 3 8 6 3 4 7 4 1 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 0.05 0.03 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.07 0.10 0.10 0.10 Sfc CAPE (J/kg): 35.7 9.7 28.2 35.4 37.7 0.5 2.1 21.7 14.4 1.3 61.5 167.7 45.4 1.7 12.1 Sfc CINH (J/kg): -3.0 -7.5 0.0 0.0 -0.1 -11.4 -2.6 0.0 -0.2 0.0 -0.3 -5.9 0.0 -0.1 0.0 0-3km Hel(J/kg): 108.1 133.7 111.2 87.0 62.7 93.8 65.5 19.5 37.7 82.0 52.2 46.1 82.6 82.4 66.6 Precip H20 (in): 1.06 1.04 0.90 0.67 0.87 0.85 0.81 0.76 0.79 0.85 0.70 0.72 0.73 0.69 0.69 Lifted Index(C): 0.8 1.1 3.7 5.1 4.8 7.0 8.2 8.9 5.9 6.5 5.6 0.5 3.2 10.8 13.3 700mb VV(-ub/s): 1.0 -2.2 1.0 0.2 -1.1 -0.9 -1.1 -1.8 -0.3 -0.2 -0.7 0.3 -2.5 -2.5 -0.7 Thk1000-500mb(m)5663.5 5656.2 5623.7 5598.6 5615.3 5603.6 5585.2 5576.3 5593.6 5555.6 5498.1 5453.5 5491.2 5531.8 5557.1 Thk1000-850mb(m)1392.7 1382.3 1363.6 1359.5 1373.2 1361.1 1351.4 1350.9 1367.3 1353.4 1344.2 1341.8 1348.2 1341.1 1333.7 Thk850-700mb(m):1605.6 1603.6 1597.2 1585.6 1586.6 1589.3 1587.2 1582.1 1583.3 1574.8 1555.7 1549.7 1557.4 1567.8 1575.7 SWEAT Index: 167.4 192.2 143.7 74.7 141.4 112.7 96.3 88.5 89.5 111.9 106.1 95.6 104.5 77.1 51.0 Total Totals Idx 44.1 43.2 39.3 32.9 38.5 36.7 36.4 33.9 35.3 38.8 40.3 50.1 45.5 32.1 29.2 Frz Hgt(ft amsl) 13532 13830 13420 12730 12743 12461 12139 10940 11394 10168 7368 6819 8078 10052 11673 0WetBlbHgt(amsl) 10203 9558 8071 6877 8739 8420 8200 8031 7783 8150 6959 6407 6642 6842 6228 Equil Prs (mb): 283 822 841 794 768 995 995 846 993 994 719 444 756 997 997 Equil Hgt(amsl): 32433 5919 5229 6808 7713 26 26 5124 26 26 9328 21245 8079 26 26 Hail Size(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.02 0.00 0.00 0.00 Conv Wind Gust: 51.1 39.7 31.9 32.5 39.1 30.5 24.6 21.0 38.2 28.3 24.6 30.7 35.1 27.3 22.9 Showalter Index: 2.5 2.6 6.4 10.7 6.3 7.6 8.2 9.8 9.0 7.1 7.3 2.7 4.8 11.8 13.3 Cap Strength(C): 0.0 0.0 5.0 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -0.5 0.0 0.0 -999.9 0.0 Storm Dir (deg): 241 244 241 255 272 273 274 294 296 287 298 317 358 357 342 Storm Spd (kts): 18 22 22 18 15 13 12 9 11 14 17 11 16 16 12 2m HeatIndex(F): 78 69 63 65 71 61 56 62 69 57 55 58 61 53 50 2m WindChill(F): 78 69 63 65 71 61 56 62 69 57 55 58 61 53 50 1000mb GPH (m): 133 138 141 153 145 158 159 167 145 154 155 166 168 177 176 950mb GPH (m): 580 580 576 588 586 591 589 599 584 584 583 595 600 604 599 950mb Temp (C): 20.4 17.8 13.2 12.7 16.4 12.9 11.5 10.8 15.3 11.0 9.7 9.5 11.2 9.0 7.3 950mb Dewpt(C): 12.8 14.5 13.1 12.2 11.5 10.6 9.1 9.9 10.3 10.3 9.4 9.3 8.0 7.6 6.4 950mb RH (%): 61 80 99 96 72 85 85 94 71 95 98 99 80 90 93 950mb Dir: 237 262 211 216 263 334 324 290 307 321 301 266 294 315 335 950mb Speed(kt): 5 9 6 7 7 10 5 3 10 13 9 5 9 10 4 900mb GPH (m): 1043 1040 1029 1039 1043 1044 1040 1048 1039 1034 1031 1041 1049 1050 1043 900mb Temp (C): 15.9 14.1 10.8 9.8 11.9 10.4 8.7 8.1 11.0 9.6 7.1 6.2 7.1 6.9 5.5 900mb Dewpt(C): 11.6 12.5 9.4 6.4 10.3 9.7 8.4 6.8 9.2 7.9 5.7 5.3 6.6 4.4 3.9 900mb RH (%): 75 90 91 79 89 95 98 91 89 89 91 94 97 84 90 900mb Dir: 235 228 208 225 259 256 261 331 312 327 316 291 298 296 311 900mb Speed(kt): 5 11 12 11 7 5 6 6 10 9 13 10 9 11 9 850mb GPH (m): 1526 1521 1504 1513 1518 1519 1511 1518 1513 1507 1499 1508 1516 1518 1510 850mb Temp (C): 12.8 10.5 8.7 8.0 8.6 8.8 8.0 6.9 7.5 6.8 4.4 3.5 4.0 4.3 5.0 850mb Dewpt(C): 8.0 9.6 4.9 -0.2 6.8 5.0 3.6 3.6 3.5 4.6 2.9 2.3 2.7 1.0 -0.4 850mb RH (%): 72 94 77 56 88 77 73 79 75 86 90 92 91 79 68 850mb Dir: 217 223 217 228 256 235 276 324 334 264 294 293 302 281 286 850mb Speed(kt): 15 15 17 13 10 10 10 9 9 8 13 11 13 11 10 800mb GPH (m): 2033 2024 2005 2011 2017 2019 2011 2017 2010 2003 1990 1997 2007 2010 2004 800mb Temp (C): 10.0 8.9 7.5 6.2 5.6 7.5 7.2 6.5 6.1 4.8 1.8 0.5 1.3 3.3 4.7 800mb Dewpt(C): 5.3 7.1 0.4 -7.2 1.6 -2.0 -1.9 -1.1 -0.9 -0.6 -0.5 -1.0 -1.1 -3.0 -8.0 800mb RH (%): 72 89 60 37 75 50 52 58 61 68 85 90 84 63 39 800mb Dir: 212 217 219 233 271 279 286 280 289 286 291 292 315 314 310 800mb Speed(kt): 25 28 24 15 11 11 9 8 10 11 16 13 12 15 14 750mb GPH (m): 2567 2558 2536 2538 2544 2548 2539 2543 2538 2527 2507 2512 2525 2532 2528 750mb Temp (C): 6.9 7.3 7.5 5.0 5.5 5.0 4.5 3.6 4.4 2.4 -1.8 -2.4 -0.2 2.0 3.6 750mb Dewpt(C): 3.5 -0.5 -13.8 -13.0 -4.5 -5.9 -5.5 -5.7 -8.8 -3.1 -2.1 -3.3 -5.2 -6.9 -19.1 750mb RH (%): 79 57 20 26 48 45 48 50 38 67 98 93 69 52 17 750mb Dir: 205 212 216 231 251 260 267 270 264 268 275 297 323 327 310 750mb Speed(kt): 29 39 32 22 15 12 10 8 12 15 19 15 16 19 16 700mb GPH (m): 3132 3124 3102 3098 3105 3108 3098 3100 3096 3082 3054 3057 3074 3086 3085 700mb Temp (C): 4.3 6.0 5.5 3.6 3.0 2.8 2.2 0.9 1.9 0.1 -3.1 -4.7 -2.4 -0.1 1.9 700mb Dewpt(C): -5.0 -15.4 -12.2 -24.2 -12.9 -13.2 -12.7 -12.4 -14.9 -6.5 -13.1 -13.7 -15.2 -10.1 -28.7 700mb RH (%): 51 20 26 11 30 30 32 36 27 61 46 49 37 47 8 700mb Dir: 205 211 211 226 241 242 250 265 260 253 268 303 328 331 309 700mb Speed(kt): 32 41 40 29 20 17 15 10 13 20 24 17 22 21 17 650mb GPH (m): 3732 3727 3703 3696 3703 3705 3694 3693 3690 3672 3639 3637 3658 3675 3680 650mb Temp (C): 2.2 3.1 2.1 1.1 1.1 0.5 0.0 -1.4 -1.1 -3.4 -5.0 -7.6 -5.6 -2.9 -0.5 650mb Dewpt(C): -16.9 -21.4 -11.8 -36.5 -23.3 -16.7 -18.8 -22.4 -12.4 -12.1 -34.2 -18.3 -16.3 -17.0 -22.5 650mb RH (%): 23 15 35 4 14 26 23 19 42 51 8 42 43 33 17 650mb Dir: 209 210 210 223 235 231 236 260 258 242 265 294 332 333 311 650mb Speed(kt): 35 43 44 36 28 26 25 14 15 25 28 20 29 27 20 600mb GPH (m): 4373 4369 4344 4334 4340 4342 4329 4326 4323 4301 4263 4254 4280 4304 4315 600mb Temp (C): -1.4 -1.0 -1.4 -2.6 -2.9 -2.9 -3.6 -3.8 -4.6 -5.3 -8.3 -12.2 -10.0 -6.4 -3.5 600mb Dewpt(C): -24.7 -22.6 -17.3 -31.8 -18.4 -15.0 -17.2 -33.3 -16.5 -59.0 -37.3 -22.4 -21.4 -26.8 -19.2 600mb RH (%): 15 18 29 9 29 39 34 8 39 1 8 43 39 19 29 600mb Dir: 210 209 210 223 234 229 230 258 248 245 255 285 337 335 318 600mb Speed(kt): 39 45 48 40 35 32 33 17 24 29 35 22 34 33 22 550mb GPH (m): 5060 5057 5030 5018 5024 5025 5011 5008 5005 4979 4932 4913 4945 4979 4998 550mb Temp (C): -6.1 -5.8 -6.8 -7.2 -6.8 -7.1 -7.8 -7.1 -7.3 -8.8 -12.6 -17.1 -14.2 -9.8 -7.6 550mb Dewpt(C): -26.5 -26.1 -17.5 -20.2 -24.2 -21.9 -21.8 -32.7 -29.1 -48.8 -65.1 -30.1 -22.6 -34.5 -11.8 550mb RH (%): 19 19 42 35 24 30 32 11 16 3 1 32 50 12 72 550mb Dir: 211 210 210 223 234 231 230 248 246 244 255 281 337 335 318 550mb Speed(kt): 39 47 49 45 40 34 34 24 28 35 38 23 39 38 27 500mb GPH (m): 5797 5794 5764 5752 5761 5761 5745 5744 5739 5709 5653 5619 5659 5709 5733 500mb Temp (C): -11.6 -11.6 -12.8 -12.6 -11.6 -11.4 -12.4 -11.7 -12.1 -13.8 -16.5 -22.1 -19.4 -13.4 -12.3 500mb Dewpt(C): -29.1 -31.0 -21.0 -21.4 -37.0 -35.9 -28.5 -30.1 -36.7 -31.9 -47.1 -38.9 -25.1 -36.3 -18.6 500mb RH (%): 23 19 51 48 11 12 25 21 12 21 6 21 61 13 60 500mb Dir: 213 212 209 224 236 232 233 245 247 242 253 276 341 335 313 500mb Speed(kt): 41 47 51 50 41 33 32 28 30 41 44 24 45 45 30 450mb GPH (m): 6594 6592 6559 6546 6559 6560 6541 6540 6535 6500 6436 6385 6434 6503 6532 450mb Temp (C): -17.6 -17.6 -18.5 -18.8 -16.9 -16.9 -17.6 -17.9 -18.3 -19.8 -21.8 -26.9 -24.4 -17.8 -16.4 450mb Dewpt(C): -28.0 -37.1 -31.8 -27.5 -43.1 -38.5 -32.8 -29.2 -35.5 -30.0 -47.9 -49.7 -38.1 -31.6 -23.1 450mb RH (%): 41 17 31 47 9 14 26 37 21 41 8 11 28 30 57 450mb Dir: 212 213 209 223 238 233 235 244 245 240 254 267 345 336 316 450mb Speed(kt): 40 45 53 55 41 31 32 30 35 47 50 27 56 52 37 400mb GPH (m): 7465 7460 7426 7412 7432 7433 7411 7409 7401 7362 7293 7226 7283 7376 7407 400mb Temp (C): -24.0 -24.5 -24.9 -25.0 -22.6 -23.1 -24.2 -24.5 -24.9 -26.4 -26.5 -31.1 -29.2 -22.8 -22.1 400mb Dewpt(C): -34.2 -41.3 -39.9 -43.8 -40.1 -36.6 -31.4 -32.3 -40.2 -30.4 -47.4 -59.2 -51.1 -32.0 -25.1 400mb RH (%): 39 21 24 17 20 29 52 49 24 70 13 5 11 43 77 400mb Dir: 211 213 210 223 240 234 234 243 244 242 256 260 349 337 311 400mb Speed(kt): 40 47 56 58 41 33 35 33 39 52 66 33 66 59 40 350mb GPH (m): 8424 8417 8381 8370 8396 8394 8369 8366 8357 8312 8246 8164 8228 8340 8377 350mb Temp (C): -31.1 -31.7 -32.2 -31.1 -30.6 -30.9 -31.5 -31.9 -31.8 -33.7 -32.2 -35.0 -33.3 -30.1 -28.5 350mb Dewpt(C): -45.0 -46.3 -44.8 -53.7 -40.8 -40.0 -34.6 -41.7 -44.7 -38.4 -43.3 -62.8 -60.2 -40.1 -32.7 350mb RH (%): 26 24 29 10 38 42 75 39 28 64 34 5 6 38 68 350mb Dir: 213 214 210 225 239 232 233 244 239 241 251 255 351 338 307 350mb Speed(kt): 46 54 62 59 44 39 39 36 47 59 87 37 75 64 41 300mb GPH (m): 9498 9489 9450 9447 9472 9469 9441 9435 9428 9376 9313 9231 9295 9417 9462 300mb Temp (C): -39.3 -39.9 -40.6 -39.0 -39.3 -39.4 -40.1 -40.5 -40.4 -41.3 -40.9 -38.3 -39.7 -39.1 -37.5 300mb Dewpt(C): -46.9 -45.2 -49.7 -52.7 -47.7 -47.8 -43.4 -51.9 -45.4 -50.6 -52.6 -67.3 -60.7 -49.1 -43.2 300mb RH (%): 46 58 39 24 42 42 71 30 60 38 29 4 10 36 57 300mb Dir: 213 214 211 235 239 230 230 244 237 233 247 257 351 341 310 300mb Speed(kt): 54 61 69 54 49 42 44 39 57 61 86 38 81 70 45 250mb GPH (m): 10720 10708 10665 10670 10693 10689 10660 10654 10645 10593 10533 10475 10523 10639 10690 250mb Temp (C): -49.5 -49.1 -49.3 -48.2 -48.8 -49.1 -48.7 -48.6 -49.0 -48.0 -46.5 -41.1 -45.0 -48.5 -48.1 250mb Dewpt(C): -54.6 -52.7 -55.3 -59.3 -56.4 -57.8 -57.4 -57.7 -56.0 -63.3 -63.7 -74.6 -68.5 -58.9 -54.7 250mb RH (%): 57 67 52 29 43 38 38 36 46 17 14 2 7 31 48 250mb Dir: 214 216 214 230 238 227 228 241 236 236 248 266 348 342 315 250mb Speed(kt): 57 63 70 56 52 44 50 50 63 67 73 37 68 79 53 200mb GPH (m): 12158 12154 12113 12111 12129 12127 12100 12098 12091 12052 12003 11981 12008 12077 12119 200mb Temp (C): -52.9 -51.9 -51.8 -54.4 -55.7 -55.1 -54.3 -53.8 -52.6 -50.1 -48.9 -44.2 -46.4 -54.9 -59.3 200mb Dewpt(C): -71.9 -70.4 -70.9 -68.5 -68.1 -68.6 -69.1 -69.4 -70.0 -73.6 -73.3 -81.7 -78.7 -67.7 -65.8 200mb RH (%): 10 11 10 18 22 19 17 15 12 6 5 1 2 21 45 200mb Dir: 219 221 221 230 237 228 231 239 233 242 255 273 325 339 316 200mb Speed(kt): 61 63 71 58 51 44 56 55 64 60 64 33 40 67 51 150mb GPH (m): 14008 14009 13975 13968 13981 13976 13951 13951 13951 13927 13895 13887 13904 13925 13928 150mb Temp (C): -54.1 -53.9 -52.6 -52.0 -52.1 -52.8 -52.0 -52.6 -52.3 -50.1 -49.5 -48.7 -49.3 -53.0 -57.0 150mb Dewpt(C): -84.0 -83.9 -83.3 -87.0 -87.0 -82.9 -82.8 -82.7 -82.3 -85.9 -85.2 -84.7 -85.1 -86.4 -79.9 150mb RH (%): 2 2 2 1 1 2 2 2 2 1 1 1 1 1 5 150mb Dir: 219 220 227 234 231 236 242 231 246 242 251 273 297 312 286 150mb Speed(kt): 54 55 57 47 48 46 41 45 49 43 41 30 27 32 32 100mb GPH (m): 16606 16608 16581 16581 16593 16584 16563 16561 16569 16559 16529 16531 16539 16534 16510 100mb Temp (C): -53.7 -54.2 -53.9 -53.6 -54.2 -53.8 -53.5 -53.1 -53.2 -52.7 -52.1 -51.5 -52.5 -53.0 -53.8 100mb Dewpt(C): -88.2 -88.6 -88.4 -88.1 -88.5 -88.2 -88.1 -87.8 -87.8 -87.5 -82.6 -86.7 -82.8 -87.7 -88.3 100mb RH (%): 1 1 1 1 1 1 1 1 1 1 2 1 2 1 1 100mb Dir: 222 220 225 219 230 235 228 242 232 242 251 253 241 266 269 100mb Speed(kt): 33 30 26 27 32 26 28 27 25 30 23 17 22 22 20