Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z AUG 17, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 996.2 996.0 993.5 995.0 995.6 997.2 995.3 995.5 994.4 994.6 991.1 991.0 990.8 991.1 988.6 Mean SLP (mb): 1020.6 1019.9 1016.9 1018.9 1019.8 1021.4 1018.9 1019.6 1018.7 1018.8 1014.5 1014.8 1014.8 1014.8 1011.7 2m agl Tmp (F): 55.1 68.0 77.7 64.8 58.3 60.3 74.4 60.8 54.3 59.3 78.1 67.0 58.8 71.3 84.2 2m agl Dewpt(F): 54.3 58.3 61.7 59.2 56.8 58.3 59.9 55.5 53.3 56.3 57.2 58.7 57.5 60.8 60.3 2m agl RH (%): 97 70 57 81 95 93 59 82 96 90 47 74 95 69 43 10m agl Dir: 82 267 306 296 304 260 299 324 46 286 308 294 100 288 313 10m agl Spd(kt): 2 4 7 3 2 2 5 3 2 2 6 1 2 3 5 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.01 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 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 Sfc CAPE (J/kg): 0.0 1.8 173.0 0.0 1.6 2.8 0.0 0.0 1.6 2.8 0.8 0.0 0.0 0.0 28.0 Sfc CINH (J/kg): 0.0 -8.5 -284.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -10.2 -0.3 0.0 0.0 -38.1 0-3km Hel(J/kg): 33.0 27.2 49.2 43.4 43.4 33.2 24.5 30.9 30.7 23.3 46.8 59.7 51.9 59.7 92.4 Precip H20 (in): 0.76 0.71 0.80 0.81 0.82 0.79 0.62 0.49 0.69 0.74 0.77 0.79 0.82 0.80 0.77 Lifted Index(C): 1.0 3.1 -1.3 -0.3 2.7 4.7 4.3 9.8 9.1 7.8 3.6 1.1 3.7 3.5 1.3 700mb VV(-ub/s): 0.4 -0.5 -0.8 -1.5 -0.8 -1.5 -1.3 -1.2 -1.2 -0.9 -1.7 -0.4 -0.4 -1.1 -0.3 Thk1000-500mb(m)5659.6 5672.2 5697.3 5687.6 5675.1 5676.9 5706.7 5707.4 5701.8 5700.7 5733.2 5732.6 5723.4 5736.1 5768.1 Thk1000-850mb(m)1374.1 1381.1 1397.6 1388.0 1375.8 1374.6 1391.0 1383.5 1377.1 1379.8 1403.4 1398.7 1392.0 1398.6 1418.7 Thk850-700mb(m):1623.6 1626.5 1629.3 1629.7 1626.7 1624.6 1626.0 1630.4 1631.1 1631.7 1637.2 1639.8 1638.8 1641.4 1647.3 SWEAT Index: 24.3 21.7 21.8 25.9 37.8 62.7 37.0 35.7 38.1 35.4 75.8 38.1 94.2 76.3 42.9 Total Totals Idx 33.4 29.9 27.7 27.1 34.1 36.2 29.8 23.1 25.7 31.5 40.4 38.4 41.8 42.0 33.6 Frz Hgt(ft amsl) 13527 13652 13866 13906 14052 14171 14726 14948 14987 14876 14934 15041 14889 15075 15205 0WetBlbHgt(amsl) 9416 9556 10012 10049 10024 9631 10241 9537 10120 10259 10225 10285 10237 10489 11302 Equil Prs (mb): 996 996 247 995 996 997 995 996 994 995 991 991 991 991 287 Equil Hgt(amsl): 26 26 35605 26 26 26 26 26 26 26 26 26 26 26 32592 Hail Size(in): 0.39 0.30 0.47 0.50 0.52 0.43 0.07 0.00 0.00 0.00 0.05 0.26 0.19 0.14 0.00 Conv Wind Gust: 49.8 52.2 52.6 53.2 51.0 48.3 54.5 54.9 54.6 52.8 57.6 55.0 55.1 56.2 60.8 Showalter Index: 9.1 9.6 10.3 10.2 8.9 7.5 11.1 13.8 12.2 9.9 4.8 6.1 4.0 4.0 8.4 Cap Strength(C):-999.9 -999.9 4.4 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 Storm Dir (deg): 250 250 289 293 301 311 310 305 296 277 281 269 266 256 254 Storm Spd (kts): 6 6 7 8 9 8 9 8 8 7 9 9 10 10 11 2m HeatIndex(F): 55 68 78 65 58 60 74 61 54 59 78 67 59 71 84 2m WindChill(F): 55 68 78 65 58 60 74 61 54 59 78 67 59 71 84 1000mb GPH (m): 172 170 147 161 166 180 163 165 156 158 126 126 125 127 103 950mb GPH (m): 605 607 593 600 600 614 606 601 587 590 573 568 561 567 555 950mb Temp (C): 14.5 14.1 20.3 17.4 14.8 13.4 18.4 16.7 14.4 14.5 20.7 19.0 17.2 17.9 24.4 950mb Dewpt(C): 13.3 12.9 15.1 15.0 14.4 13.3 13.8 7.1 11.0 9.7 12.1 14.7 14.5 13.3 14.1 950mb RH (%): 92 92 71 85 97 99 74 52 79 72 57 75 84 73 51 950mb Dir: 305 273 311 337 280 244 304 335 289 226 312 350 317 309 317 950mb Speed(kt): 2 4 8 9 3 2 6 5 2 1 6 6 2 1 6 900mb GPH (m): 1063 1065 1057 1062 1058 1070 1068 1062 1046 1050 1038 1033 1026 1033 1026 900mb Temp (C): 14.6 16.1 17.3 16.9 14.9 15.4 17.7 17.6 16.9 18.0 20.1 20.3 20.2 21.1 23.1 900mb Dewpt(C): 9.3 4.4 4.9 7.7 10.7 10.6 -0.6 -4.3 1.3 -2.0 3.0 3.3 1.8 1.9 5.8 900mb RH (%): 70 45 43 54 75 72 28 22 34 25 31 32 29 27 31 900mb Dir: 312 339 320 285 308 320 319 302 307 318 334 320 323 318 348 900mb Speed(kt): 4 2 7 4 9 10 12 7 7 5 7 5 6 2 2 850mb GPH (m): 1546 1551 1545 1549 1542 1555 1554 1549 1533 1538 1529 1525 1517 1525 1521 850mb Temp (C): 15.4 17.3 18.0 18.0 15.8 14.7 15.5 16.7 17.6 17.7 18.9 19.4 18.9 19.6 21.1 850mb Dewpt(C): -7.8 -13.0 -13.9 -15.6 -4.3 1.8 -2.4 -9.3 -10.2 -5.2 3.2 -1.3 4.0 3.0 -3.4 850mb RH (%): 19 11 10 9 24 41 28 16 14 20 34 24 36 32 18 850mb Dir: 255 266 275 276 316 331 312 314 315 315 317 294 292 235 228 850mb Speed(kt): 4 3 3 7 12 13 13 9 9 6 6 5 5 3 3 800mb GPH (m): 2058 2065 2060 2064 2055 2065 2065 2062 2048 2052 2047 2043 2034 2044 2042 800mb Temp (C): 15.0 15.4 15.6 15.8 15.1 13.7 13.8 15.3 14.9 15.2 16.4 16.8 16.6 17.3 18.6 800mb Dewpt(C): -14.8 -14.8 -10.2 -9.8 -16.2 -12.3 -11.4 -18.0 2.7 2.1 -1.2 -0.6 -1.7 -5.9 -12.6 800mb RH (%): 11 11 16 16 10 15 16 8 43 40 29 30 28 19 11 800mb Dir: 203 222 264 271 276 307 299 314 305 292 287 275 258 218 220 800mb Speed(kt): 6 7 5 7 11 9 13 10 9 6 5 6 6 7 9 750mb GPH (m): 2599 2607 2602 2607 2597 2607 2606 2605 2590 2596 2591 2588 2580 2590 2590 750mb Temp (C): 11.3 11.4 11.7 11.5 11.7 12.5 12.6 12.8 12.1 12.0 12.9 13.6 13.6 14.3 15.0 750mb Dewpt(C): -13.4 -13.0 -10.0 -7.4 -10.6 -25.0 -21.3 -24.1 -3.8 1.6 -2.9 -9.0 -11.5 -17.1 -13.8 750mb RH (%): 16 17 20 26 20 6 8 6 32 48 33 19 16 10 12 750mb Dir: 207 201 255 273 271 273 272 289 285 276 258 251 242 216 219 750mb Speed(kt): 7 9 8 8 14 12 15 11 10 6 7 9 9 12 14 700mb GPH (m): 3169 3177 3174 3179 3169 3179 3180 3179 3164 3169 3167 3165 3156 3167 3169 700mb Temp (C): 6.9 7.3 7.8 8.1 8.1 8.0 8.8 9.4 9.3 9.0 9.7 10.1 10.1 10.3 11.3 700mb Dewpt(C): -14.4 -15.5 -12.9 -13.6 -12.7 -12.8 -12.7 -18.9 -17.3 -15.4 -17.5 -16.3 -16.7 -15.2 -14.3 700mb RH (%): 20 18 21 20 21 21 20 12 13 16 13 14 13 15 15 700mb Dir: 215 195 243 260 268 274 264 270 262 254 241 231 233 220 217 700mb Speed(kt): 9 10 11 12 16 12 16 13 12 10 12 16 15 15 18 650mb GPH (m): 3773 3781 3780 3785 3775 3785 3787 3788 3773 3777 3776 3775 3766 3778 3782 650mb Temp (C): 2.5 2.7 3.6 3.5 3.8 3.8 4.7 5.0 5.2 4.9 5.6 6.0 5.7 6.2 6.7 650mb Dewpt(C): -14.7 -14.8 -13.2 -11.1 -13.5 -18.0 -19.5 -16.4 -20.0 -20.0 -17.3 -16.2 -18.4 -14.7 -10.3 650mb RH (%): 27 26 28 33 27 19 15 19 14 15 17 19 16 21 28 650mb Dir: 215 199 238 251 264 268 264 263 256 243 237 225 229 225 216 650mb Speed(kt): 12 10 13 15 19 14 16 13 12 13 16 19 19 19 21 600mb GPH (m): 4413 4422 4422 4427 4419 4429 4433 4435 4420 4424 4424 4423 4414 4427 4432 600mb Temp (C): -2.1 -1.9 -1.6 -1.4 -1.0 -0.8 0.3 0.8 0.9 0.8 0.9 1.1 1.0 1.3 1.5 600mb Dewpt(C): -16.0 -16.7 -14.0 -16.7 -17.6 -19.1 -21.3 -20.5 -25.2 -26.3 -17.4 -20.4 -14.1 -10.7 -7.7 600mb RH (%): 34 31 38 30 27 24 18 19 12 11 24 19 31 40 50 600mb Dir: 215 216 237 245 256 264 262 255 254 233 239 226 231 232 215 600mb Speed(kt): 14 11 13 17 20 17 16 14 13 16 20 19 24 23 24 550mb GPH (m): 5098 5107 5108 5113 5105 5117 5125 5127 5113 5116 5116 5116 5106 5120 5125 550mb Temp (C): -7.3 -7.0 -6.8 -6.7 -6.8 -5.6 -4.0 -3.6 -3.2 -4.1 -4.0 -3.7 -4.6 -4.1 -3.7 550mb Dewpt(C): -19.7 -19.0 -17.9 -19.4 -16.1 -20.6 -24.2 -29.6 -29.1 -19.2 -20.2 -22.0 -12.9 -12.0 -12.9 550mb RH (%): 37 38 41 36 48 30 19 12 12 30 27 23 52 54 49 550mb Dir: 216 223 240 245 254 269 262 242 247 227 234 228 231 227 221 550mb Speed(kt): 16 13 14 17 16 15 13 15 18 19 24 23 32 28 30 500mb GPH (m): 5831 5842 5844 5848 5842 5857 5869 5873 5858 5858 5859 5859 5848 5863 5871 500mb Temp (C): -12.9 -12.8 -11.8 -12.4 -11.3 -9.9 -8.4 -7.8 -9.2 -9.5 -9.1 -10.1 -9.4 -9.7 -8.0 500mb Dewpt(C): -25.2 -21.1 -22.1 -21.0 -21.3 -26.3 -33.8 -41.1 -19.8 -23.8 -27.5 -20.4 -22.8 -17.1 -24.6 500mb RH (%): 35 50 43 49 44 25 11 5 42 31 21 43 33 55 25 500mb Dir: 217 223 248 245 257 269 267 235 233 224 226 226 226 218 222 500mb Speed(kt): 16 15 16 12 14 16 11 17 20 23 25 28 35 34 38 450mb GPH (m): 6626 6636 6642 6646 6642 6660 6678 6682 6664 6664 6664 6664 6654 6669 6681 450mb Temp (C): -18.5 -18.3 -17.2 -17.3 -16.8 -15.7 -13.1 -13.7 -14.2 -14.5 -14.9 -14.3 -15.0 -14.7 -13.5 450mb Dewpt(C): -29.9 -25.2 -26.7 -26.7 -25.7 -33.2 -52.2 -27.9 -35.7 -33.8 -33.8 -36.6 -28.4 -27.5 -27.5 450mb RH (%): 37 55 44 45 47 21 2 30 15 18 19 14 32 33 30 450mb Dir: 218 222 250 234 253 256 257 236 227 223 225 226 230 227 222 450mb Speed(kt): 17 16 15 7 14 15 14 15 25 28 24 32 36 39 39 400mb GPH (m): 7494 7506 7515 7518 7515 7538 7565 7565 7547 7543 7544 7546 7532 7550 7565 400mb Temp (C): -24.0 -23.4 -23.1 -23.5 -23.1 -21.1 -19.4 -20.0 -19.8 -21.4 -21.1 -20.5 -21.2 -20.0 -19.9 400mb Dewpt(C): -29.6 -32.5 -29.0 -29.9 -34.8 -43.1 -42.7 -39.6 -36.0 -38.9 -31.9 -36.8 -36.5 -37.1 -35.1 400mb RH (%): 61 44 59 56 34 13 12 17 23 20 38 23 25 21 25 400mb Dir: 226 230 231 265 236 246 252 237 228 223 234 228 228 230 223 400mb Speed(kt): 20 14 21 7 6 10 24 18 32 35 37 38 48 45 38 350mb GPH (m): 8454 8469 8477 8479 8478 8509 8540 8542 8523 8512 8514 8518 8505 8525 8541 350mb Temp (C): -30.7 -30.1 -30.1 -30.6 -30.0 -28.2 -27.3 -26.7 -27.8 -29.4 -28.0 -28.2 -27.7 -27.3 -26.8 350mb Dewpt(C): -36.0 -42.1 -39.4 -36.0 -46.5 -47.8 -58.7 -49.8 -39.1 -33.4 -34.7 -38.0 -44.1 -45.1 -43.5 350mb RH (%): 60 31 41 61 20 15 4 10 35 69 54 40 21 18 20 350mb Dir: 231 231 203 261 333 119 249 225 209 222 231 229 230 230 225 350mb Speed(kt): 25 13 20 9 2 2 22 23 28 39 55 48 53 47 44 300mb GPH (m): 9529 9547 9554 9554 9556 9596 9629 9632 9608 9593 9601 9605 9596 9614 9633 300mb Temp (C): -39.6 -38.7 -39.5 -39.8 -38.4 -36.7 -36.5 -36.6 -37.5 -38.4 -36.7 -36.4 -36.3 -36.2 -35.5 300mb Dewpt(C): -45.7 -52.0 -45.8 -49.3 -53.7 -44.7 -54.8 -51.6 -43.7 -46.3 -46.8 -47.0 -49.5 -47.3 -42.5 300mb RH (%): 53 25 53 37 20 45 15 21 54 44 36 34 26 32 50 300mb Dir: 227 242 229 71 60 74 218 222 224 218 235 230 232 232 224 300mb Speed(kt): 28 28 15 2 11 14 9 19 35 46 58 57 61 56 54 250mb GPH (m): 10747 10773 10773 10774 10786 10833 10865 10868 10835 10817 10839 10843 10833 10854 10876 250mb Temp (C): -50.0 -48.0 -48.9 -48.1 -46.5 -46.2 -46.1 -46.5 -48.3 -47.8 -45.6 -45.8 -45.5 -45.2 -45.4 250mb Dewpt(C): -55.6 -52.8 -55.0 -61.5 -58.9 -51.0 -57.4 -57.5 -52.1 -57.0 -53.7 -54.3 -56.1 -56.6 -53.3 250mb RH (%): 53 60 51 22 25 60 29 30 67 36 41 39 32 29 42 250mb Dir: 224 232 221 295 56 77 148 247 220 228 236 231 232 232 224 250mb Speed(kt): 23 51 14 3 21 25 12 45 43 51 69 70 67 70 63 200mb GPH (m): 12178 12211 12216 12222 12238 12278 12313 12313 12275 12260 12289 12295 12288 12309 12326 200mb Temp (C): -55.0 -56.7 -53.9 -53.3 -54.4 -56.5 -56.1 -55.8 -55.3 -56.1 -55.3 -55.2 -54.2 -54.3 -55.3 200mb Dewpt(C): -67.1 -65.3 -71.1 -70.8 -68.4 -61.7 -64.3 -63.6 -64.9 -64.6 -62.9 -66.2 -64.6 -66.6 -63.9 200mb RH (%): 23 35 12 12 18 54 37 39 32 36 41 27 29 23 36 200mb Dir: 233 231 226 240 45 82 126 236 221 235 236 238 231 232 226 200mb Speed(kt): 36 47 29 13 17 25 17 32 42 62 74 76 63 61 66 150mb GPH (m): 14020 14041 14062 14067 14068 14088 14122 14125 14096 14086 14101 14102 14098 14120 14138 150mb Temp (C): -53.5 -54.4 -53.8 -54.1 -55.6 -57.4 -58.5 -59.1 -58.0 -55.4 -58.0 -57.8 -59.4 -60.6 -59.4 150mb Dewpt(C): -83.8 -84.4 -84.0 -84.2 -80.5 -82.0 -80.2 -80.6 -77.8 -82.1 -79.4 -77.8 -77.9 -73.6 -78.0 150mb RH (%): 2 2 2 2 4 4 6 6 8 3 6 8 9 19 9 150mb Dir: 235 234 233 244 258 271 235 225 220 227 235 234 233 229 228 150mb Speed(kt): 20 26 19 17 11 7 15 27 34 38 49 50 47 50 49 100mb GPH (m): 16621 16632 16652 16654 16645 16652 16675 16671 16657 16658 16669 16677 16655 16674 16694 100mb Temp (C): -55.2 -55.9 -55.5 -56.5 -57.0 -56.9 -58.1 -58.0 -57.8 -57.7 -57.4 -57.4 -58.0 -57.1 -58.5 100mb Dewpt(C): -89.3 -89.7 -89.5 -90.2 -90.6 -90.5 -87.3 -86.9 -87.0 -90.9 -86.4 -86.9 -86.9 -86.3 -91.4 100mb RH (%): 1 1 1 1 1 1 2 2 2 1 2 2 2 2 1 100mb Dir: 258 246 264 258 268 263 254 260 248 239 241 236 245 240 237 100mb Speed(kt): 15 12 15 13 16 13 18 16 18 21 22 27 27 22 22