Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z OCT 4, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 991.6 991.8 991.1 992.8 994.3 996.2 995.4 995.9 996.3 996.8 994.6 995.2 994.8 995.1 992.6 Mean SLP (mb): 1015.8 1015.6 1014.4 1016.7 1018.5 1020.6 1019.4 1020.1 1020.8 1021.3 1018.5 1019.5 1019.3 1019.1 1016.2 2m agl Tmp (F): 55.9 70.7 79.2 65.4 56.7 56.1 64.6 57.0 51.7 54.4 68.3 56.8 52.1 66.6 76.1 2m agl Dewpt(F): 49.3 52.7 57.0 58.0 55.8 54.6 56.6 54.7 51.0 52.1 51.9 49.4 48.5 49.6 52.4 2m agl RH (%): 78 52 45 76 97 95 75 92 97 92 55 76 87 53 42 10m agl Dir: 70 77 308 324 171 294 308 251 79 313 312 343 36 21 350 10m agl Spd(kt): 4 5 4 1 1 2 5 1 2 2 5 1 3 4 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 0.01 0.01 0.01 0.01 0.01 Sfc CAPE (J/kg): 0.0 4.0 49.6 0.6 0.0 3.7 0.0 0.0 0.0 5.1 0.0 0.0 0.0 0.0 0.0 Sfc CINH (J/kg): -0.3 -11.9 -49.2 -3.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 139.1 139.4 79.3 73.2 42.1 36.1 53.3 51.1 42.9 12.6 5.1 -3.3 -2.5 -1.1 10.0 Precip H20 (in): 0.82 0.71 0.71 0.70 0.63 0.54 0.58 0.67 0.44 0.50 0.48 0.52 0.60 0.64 0.65 Lifted Index(C): 2.5 2.9 0.7 1.6 4.6 8.1 6.6 10.5 12.5 12.6 8.0 9.7 10.0 10.2 5.6 700mb VV(-ub/s): 3.6 0.3 0.7 0.8 -0.2 -0.1 -1.1 0.2 -1.1 -0.3 -1.0 -0.4 -1.1 -1.5 -2.0 Thk1000-500mb(m)5720.3 5726.1 5730.4 5715.0 5692.2 5672.3 5675.8 5675.8 5666.8 5661.9 5677.6 5676.5 5678.3 5689.5 5708.2 Thk1000-850mb(m)1387.9 1395.7 1404.9 1393.8 1382.9 1374.8 1379.7 1375.0 1367.4 1366.8 1381.8 1377.9 1381.0 1392.2 1404.4 Thk850-700mb(m):1633.5 1639.5 1638.7 1634.6 1627.7 1621.0 1618.5 1617.2 1615.9 1614.2 1617.2 1622.3 1625.4 1626.4 1629.3 SWEAT Index: 129.3 42.5 38.2 38.6 49.0 43.2 49.2 28.3 24.4 27.5 28.1 25.3 30.1 30.3 31.4 Total Totals Idx 44.1 41.7 34.2 29.5 27.7 26.5 30.3 29.2 21.4 22.4 28.2 21.0 21.2 28.3 32.3 Frz Hgt(ft amsl) 15336 14959 14764 14843 14631 14419 14335 14656 14564 14418 14321 14055 13754 13606 13735 0WetBlbHgt(amsl) 10776 10153 10142 9829 9309 8908 8721 9813 7727 9171 8203 9184 10993 11029 10284 Equil Prs (mb): 992 992 360 993 994 996 995 996 996 997 995 995 995 995 993 Equil Hgt(amsl): 26 26 27148 26 26 26 26 26 26 26 26 26 26 26 26 Hail Size(in): 0.00 0.00 0.27 0.34 0.18 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 55.0 56.3 58.2 51.4 55.3 53.8 52.4 51.8 54.4 51.6 53.8 52.4 52.1 53.2 55.2 Showalter Index: 2.2 4.4 8.1 10.1 10.9 12.2 10.9 11.5 15.1 14.2 11.9 13.6 13.0 11.2 9.3 Cap Strength(C):-999.9 -999.9 0.0 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 264 272 275 281 299 303 306 305 311 328 338 9 37 38 11 Storm Spd (kts): 12 11 10 10 11 11 12 9 7 5 6 5 6 6 7 2m HeatIndex(F): 56 71 79 65 57 56 65 57 52 54 68 57 52 67 76 2m WindChill(F): 56 71 79 65 57 56 65 57 52 54 68 57 52 67 76 1000mb GPH (m): 132 133 125 142 155 171 165 169 172 177 158 163 160 162 139 950mb GPH (m): 568 573 574 583 590 602 600 602 601 604 596 597 593 600 585 950mb Temp (C): 18.0 19.4 22.3 19.5 17.0 14.5 14.7 14.4 12.2 11.2 15.8 15.5 16.2 19.8 21.5 950mb Dewpt(C): 9.2 8.8 12.4 13.3 11.3 10.8 11.1 9.3 9.7 8.0 9.9 8.2 6.4 2.1 8.8 950mb RH (%): 56 49 52 66 68 78 78 71 84 81 67 61 51 30 43 950mb Dir: 90 82 315 339 336 336 318 341 341 359 320 3 58 72 12 950mb Speed(kt): 9 11 5 5 6 5 7 5 4 4 7 6 8 12 7 900mb GPH (m): 1031 1038 1040 1048 1052 1061 1060 1061 1058 1060 1055 1056 1054 1065 1053 900mb Temp (C): 18.4 19.5 19.5 18.3 16.5 16.9 16.5 15.8 15.4 15.6 17.0 17.0 18.1 19.6 21.2 900mb Dewpt(C): 9.9 8.5 8.4 7.9 7.8 -3.1 1.3 2.6 -3.4 -0.4 -4.1 -3.8 -4.1 -4.8 -3.5 900mb RH (%): 57 48 48 50 55 25 35 40 27 33 23 23 21 18 18 900mb Dir: 105 140 19 295 331 338 344 337 333 351 352 2 55 68 69 900mb Speed(kt): 7 5 2 4 9 11 13 8 7 8 9 8 9 11 13 850mb GPH (m): 1520 1528 1530 1536 1538 1546 1544 1544 1539 1543 1539 1541 1541 1554 1544 850mb Temp (C): 17.1 18.4 18.8 18.1 17.0 15.6 14.8 14.3 13.9 14.8 14.7 15.8 16.8 17.6 18.7 850mb Dewpt(C): 7.8 0.7 -7.7 -10.9 -12.3 -10.5 -5.3 -2.7 -10.2 -11.3 -6.8 -15.8 -17.1 -8.7 -5.2 850mb RH (%): 53 30 15 13 12 15 24 30 17 15 22 10 8 15 19 850mb Dir: 160 209 244 265 318 318 321 304 296 345 344 6 52 49 54 850mb Speed(kt): 6 4 5 6 11 9 12 8 8 9 9 8 9 9 8 800mb GPH (m): 2036 2045 2047 2052 2051 2057 2054 2053 2048 2053 2049 2052 2054 2068 2060 800mb Temp (C): 15.6 16.9 16.6 16.3 14.4 13.8 13.0 12.5 12.4 12.4 12.4 14.0 14.9 15.1 15.6 800mb Dewpt(C): -2.0 -6.4 -8.4 -10.8 -11.0 -15.7 -16.8 -4.8 -22.4 -9.5 -10.2 -27.1 -25.2 -8.1 -3.3 800mb RH (%): 29 19 17 14 16 11 11 29 7 20 19 4 5 19 26 800mb Dir: 207 235 246 255 288 297 291 280 282 326 325 3 30 32 33 800mb Speed(kt): 10 9 10 11 11 10 12 12 9 8 8 8 11 9 8 750mb GPH (m): 2580 2591 2592 2596 2593 2597 2593 2591 2585 2590 2586 2592 2595 2610 2602 750mb Temp (C): 12.4 13.9 14.0 13.5 12.2 10.7 10.6 9.9 10.5 9.3 10.6 11.2 11.6 11.2 11.4 750mb Dewpt(C): 0.0 -10.4 -16.4 -18.2 -20.9 -16.6 -18.4 -5.2 -38.7 -9.4 -27.9 -13.9 -11.0 -5.6 -6.1 750mb RH (%): 42 17 10 9 8 13 11 33 2 25 5 16 19 30 28 750mb Dir: 230 246 245 249 267 275 271 265 282 283 318 6 24 15 14 750mb Speed(kt): 15 14 16 16 15 12 15 17 10 8 8 8 11 8 7 700mb GPH (m): 3154 3168 3169 3171 3166 3167 3163 3161 3155 3158 3157 3163 3166 3180 3173 700mb Temp (C): 9.6 11.1 10.1 9.5 8.6 7.7 7.4 7.1 7.7 6.9 7.6 8.0 7.0 6.6 7.5 700mb Dewpt(C): -10.3 -23.4 -17.7 -18.2 -19.1 -20.1 -17.4 -14.0 -37.5 -18.1 -21.3 -24.1 -4.4 -3.9 -10.2 700mb RH (%): 23 7 12 12 12 12 15 21 2 15 11 8 44 47 27 700mb Dir: 243 253 241 249 258 263 263 259 276 263 308 5 23 353 351 700mb Speed(kt): 21 21 18 18 18 15 20 19 12 9 9 8 8 6 6 650mb GPH (m): 3765 3780 3779 3779 3773 3772 3768 3766 3760 3763 3762 3769 3771 3784 3777 650mb Temp (C): 6.9 6.1 5.2 5.4 4.9 3.9 3.6 3.9 4.0 4.2 4.0 3.8 3.0 2.5 2.7 650mb Dewpt(C): -29.8 -16.9 -17.9 -19.4 -23.1 -24.2 -18.0 -19.7 -39.3 -32.6 -29.0 -20.8 -11.2 -11.5 -14.2 650mb RH (%): 5 17 17 15 11 11 19 16 3 5 7 15 34 35 28 650mb Dir: 248 253 237 247 256 257 261 258 274 263 287 341 329 305 308 650mb Speed(kt): 28 23 20 20 21 20 23 21 14 8 10 8 4 6 7 600mb GPH (m): 4415 4427 4425 4427 4419 4417 4411 4410 4405 4407 4406 4412 4413 4425 4419 600mb Temp (C): 2.0 1.1 0.6 0.8 0.3 -0.1 -0.2 0.4 0.2 -0.1 -0.3 -1.0 -1.6 -1.9 -1.5 600mb Dewpt(C): -26.8 -22.2 -19.4 -20.2 -19.8 -22.1 -26.0 -36.6 -34.0 -31.5 -28.0 -10.7 -12.2 -10.8 -14.2 600mb RH (%): 10 16 21 19 21 18 12 4 6 7 11 47 44 50 38 600mb Dir: 248 249 240 246 254 255 259 263 267 288 276 295 304 269 275 600mb Speed(kt): 27 24 22 21 22 24 25 19 16 7 9 8 9 7 10 550mb GPH (m): 5110 5119 5117 5118 5109 5105 5100 5101 5095 5097 5095 5100 5100 5111 5106 550mb Temp (C): -3.4 -4.6 -4.6 -5.1 -5.4 -5.9 -4.9 -4.1 -4.1 -4.7 -5.2 -5.9 -6.1 -5.8 -5.2 550mb Dewpt(C): -29.6 -18.1 -18.0 -18.1 -19.2 -19.0 -27.5 -39.8 -40.3 -37.5 -28.9 -13.3 -16.7 -17.8 -24.4 550mb RH (%): 11 34 35 35 33 35 16 5 4 6 14 56 43 39 21 550mb Dir: 246 246 242 244 256 256 259 270 262 277 281 284 284 263 265 550mb Speed(kt): 26 25 24 23 25 26 26 15 12 8 8 9 9 10 12 500mb GPH (m): 5853 5859 5856 5857 5847 5844 5840 5845 5839 5838 5835 5839 5838 5851 5848 500mb Temp (C): -9.6 -11.3 -11.5 -11.2 -11.5 -10.7 -10.4 -8.8 -8.9 -9.5 -10.1 -10.5 -10.7 -9.7 -9.4 500mb Dewpt(C): -31.3 -18.8 -19.5 -20.8 -24.3 -25.5 -25.1 -41.5 -33.3 -43.2 -37.6 -22.9 -22.8 -31.4 -32.2 500mb RH (%): 16 54 52 45 34 29 29 6 12 5 9 36 37 16 14 500mb Dir: 242 239 241 238 253 261 263 285 258 249 275 283 285 280 271 500mb Speed(kt): 24 26 28 27 28 25 26 12 9 9 10 10 12 12 15 450mb GPH (m): 6655 6657 6653 6655 6645 6644 6642 6651 6645 6644 6639 6642 6640 6655 6652 450mb Temp (C): -16.1 -17.9 -17.6 -17.9 -17.4 -16.3 -15.7 -14.9 -15.4 -14.4 -14.9 -14.6 -15.5 -15.5 -15.6 450mb Dewpt(C): -31.5 -23.7 -29.4 -25.7 -31.1 -32.6 -38.2 -22.7 -21.8 -48.3 -46.8 -41.2 -30.5 -30.8 -33.8 450mb RH (%): 26 61 36 51 30 24 13 52 58 4 5 9 27 27 20 450mb Dir: 236 228 248 243 254 260 268 291 264 232 266 266 288 295 270 450mb Speed(kt): 19 24 30 28 25 23 23 16 13 14 13 12 16 14 16 400mb GPH (m): 7529 7525 7524 7524 7517 7518 7520 7529 7522 7524 7519 7523 7519 7532 7528 400mb Temp (C): -23.3 -24.3 -23.4 -23.8 -23.3 -23.0 -21.3 -21.7 -22.2 -21.4 -20.7 -20.6 -21.1 -21.7 -21.9 400mb Dewpt(C): -37.4 -37.3 -35.1 -32.8 -36.4 -35.7 -37.6 -27.4 -29.9 -35.4 -36.0 -38.9 -40.9 -36.8 -42.7 400mb RH (%): 27 30 34 44 30 32 23 61 50 28 25 19 16 25 14 400mb Dir: 229 221 249 251 264 262 276 288 266 249 254 258 276 284 268 400mb Speed(kt): 16 24 39 31 21 22 16 20 18 20 18 15 18 14 15 350mb GPH (m): 8488 8486 8487 8487 8479 8482 8489 8495 8488 8490 8487 8494 8489 8501 8494 350mb Temp (C): -31.7 -29.5 -30.0 -29.8 -30.7 -29.3 -29.0 -29.7 -29.5 -30.0 -29.8 -28.2 -28.8 -29.2 -29.8 350mb Dewpt(C): -40.6 -53.2 -42.1 -45.7 -41.6 -49.5 -35.4 -35.1 -38.4 -35.9 -35.9 -45.2 -43.1 -43.1 -42.3 350mb RH (%): 43 9 31 21 35 13 55 61 43 58 56 19 25 26 30 350mb Dir: 224 225 241 249 259 292 279 285 268 268 264 257 276 276 267 350mb Speed(kt): 16 27 47 42 25 11 19 22 19 24 19 21 22 13 20 300mb GPH (m): 9563 9568 9566 9566 9554 9563 9570 9575 9568 9570 9568 9579 9575 9585 9574 300mb Temp (C): -38.0 -37.4 -38.7 -38.8 -39.0 -38.5 -38.2 -38.1 -38.2 -38.2 -37.4 -36.9 -36.3 -37.0 -38.1 300mb Dewpt(C): -51.0 -53.3 -47.6 -47.6 -45.9 -45.6 -43.0 -42.0 -48.2 -43.7 -47.0 -50.8 -52.0 -49.8 -50.2 300mb RH (%): 26 19 40 41 49 49 62 68 36 58 38 24 20 27 28 300mb Dir: 232 238 231 240 260 320 282 276 283 259 267 271 274 265 267 300mb Speed(kt): 20 35 44 50 27 11 19 25 22 22 25 25 24 18 24 250mb GPH (m): 10797 10797 10790 10787 10776 10791 10799 10803 10795 10800 10802 10816 10813 10820 10806 250mb Temp (C): -46.8 -48.4 -48.9 -49.2 -48.5 -46.7 -46.6 -47.3 -47.2 -47.2 -46.7 -46.2 -46.0 -46.4 -46.6 250mb Dewpt(C): -54.2 -54.3 -55.1 -56.6 -54.6 -56.2 -50.8 -53.6 -54.9 -50.9 -53.9 -57.6 -58.0 -55.2 -61.2 250mb RH (%): 44 52 50 44 51 35 64 50 43 67 46 28 26 38 19 250mb Dir: 220 236 224 242 275 309 290 289 264 272 277 287 277 255 272 250mb Speed(kt): 23 35 36 32 22 17 28 31 29 31 32 29 33 28 32 200mb GPH (m): 12240 12230 12220 12223 12224 12251 12256 12254 12245 12243 12250 12263 12262 12269 12257 200mb Temp (C): -56.0 -57.7 -57.5 -55.9 -53.0 -51.5 -52.2 -53.2 -54.2 -54.3 -54.4 -54.9 -55.3 -54.3 -54.6 200mb Dewpt(C): -68.8 -66.7 -66.6 -66.9 -70.5 -69.3 -70.0 -65.7 -64.1 -64.4 -65.5 -65.5 -65.0 -70.0 -71.1 200mb RH (%): 21 33 33 26 12 12 12 23 31 30 27 28 31 15 13 200mb Dir: 215 234 236 275 332 304 278 267 272 272 280 288 280 261 274 200mb Speed(kt): 26 28 27 25 21 22 33 39 45 39 39 40 38 30 46 150mb GPH (m): 14053 14042 14033 14051 14056 14083 14084 14081 14060 14063 14065 14082 14077 14087 14068 150mb Temp (C): -58.5 -57.6 -57.4 -56.7 -58.1 -59.3 -59.7 -59.0 -60.5 -60.1 -60.8 -60.7 -61.1 -59.9 -60.4 150mb Dewpt(C): -81.4 -82.0 -81.9 -83.3 -81.0 -80.7 -80.9 -81.4 -80.4 -79.3 -80.7 -81.8 -81.0 -80.2 -81.4 150mb RH (%): 5 4 4 3 5 6 6 5 7 8 7 6 7 7 6 150mb Dir: 222 233 259 279 323 292 274 263 265 269 280 276 269 268 271 150mb Speed(kt): 29 25 22 27 17 20 31 36 39 38 36 31 34 28 38 100mb GPH (m): 16576 16581 16583 16595 16579 16590 16581 16587 16556 16563 16558 16577 16566 16585 16575 100mb Temp (C): -62.4 -61.1 -59.7 -60.3 -61.9 -62.9 -63.6 -64.1 -63.8 -63.4 -63.7 -64.6 -65.1 -64.3 -63.0 100mb Dewpt(C): -85.9 -84.8 -88.2 -88.5 -85.5 -88.1 -86.8 -87.4 -86.9 -86.7 -87.0 -86.3 -86.6 -87.4 -88.3 100mb RH (%): 4 4 2 2 4 3 4 4 4 4 4 5 5 4 3 100mb Dir: 256 252 260 271 286 266 279 263 264 273 278 282 275 277 277 100mb Speed(kt): 29 27 28 27 23 21 31 25 34 34 35 29 31 29 29