Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z OCT 20, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 990.5 991.4 990.1 990.0 988.6 987.9 986.5 987.6 988.4 991.2 993.3 997.7 1001.2 1004.9 1005.0 Mean SLP (mb): 1015.1 1015.5 1013.8 1014.1 1012.8 1011.9 1010.1 1011.7 1013.0 1015.8 1017.8 1022.6 1026.2 1030.0 1029.9 2m agl Tmp (F): 50.6 61.2 65.9 58.0 55.3 63.5 71.4 58.9 48.8 50.5 52.9 46.7 44.8 46.7 51.0 2m agl Dewpt(F): 41.2 36.0 37.7 34.2 33.0 39.6 45.9 43.2 41.5 39.7 43.4 40.1 38.4 36.6 34.8 2m agl RH (%): 70 38 34 40 42 41 39 55 75 66 70 77 78 67 53 10m agl Dir: 64 81 80 78 73 77 3 11 257 261 291 287 275 270 297 10m agl Spd(kt): 5 11 9 8 7 6 1 2 2 4 8 8 6 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 0.0 0.0 0.0 0.0 0.0 0.5 0.0 0.0 0.0 14.6 13.2 18.5 15.4 1.0 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 -0.1 0.0 -3.5 0.0 0.0 0.0 0.0 -0.1 0.0 0.0 0.0 0-3km Hel(J/kg): 99.7 113.2 96.0 78.4 97.2 85.2 14.1 54.1 34.8 4.4 -11.9 43.6 100.1 81.0 33.5 Precip H20 (in): 0.67 0.46 0.47 0.46 0.62 0.64 0.71 0.72 0.64 0.57 0.68 0.29 0.32 0.34 0.36 Lifted Index(C): 4.3 5.8 6.3 6.6 3.4 2.8 3.1 3.9 5.2 9.4 8.4 12.4 14.6 16.3 15.2 700mb VV(-ub/s): 1.7 -0.6 -0.1 -0.1 -0.4 -0.6 1.2 0.1 0.9 -0.9 -1.4 -1.6 -1.9 -1.7 -1.2 Thk1000-500mb(m)5553.5 5575.7 5601.6 5603.3 5594.6 5596.9 5599.9 5581.9 5551.6 5507.7 5468.7 5421.5 5421.9 5423.1 5439.6 Thk1000-850mb(m)1362.7 1367.9 1379.6 1381.5 1382.2 1382.1 1385.9 1374.0 1356.3 1339.6 1330.4 1315.7 1308.4 1307.9 1317.8 Thk850-700mb(m):1584.0 1594.0 1598.9 1599.9 1601.1 1603.5 1600.1 1597.0 1589.1 1573.9 1555.1 1535.9 1532.5 1535.3 1543.5 SWEAT Index: 37.4 52.7 19.6 21.3 23.6 12.9 26.4 16.6 33.4 47.7 63.8 82.5 101.8 88.3 69.7 Total Totals Idx 45.7 41.7 40.8 39.2 45.2 45.7 45.6 44.7 41.0 32.4 31.4 22.7 26.2 19.2 17.4 Frz Hgt(ft amsl) 10060 10684 11159 11186 10888 11051 10773 10664 10256 9703 7411 4783 3216 3245 4620 0WetBlbHgt(amsl) 7908 8199 7824 7888 9035 8783 9318 9158 8738 5493 4243 3326 3160 3115 3760 Equil Prs (mb): 991 991 990 990 989 988 986 988 988 991 993 998 1001 1005 1005 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 26 26 26 26 26 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 0.00 0.00 0.00 0.00 Conv Wind Gust: 47.3 52.0 53.6 57.1 55.3 53.4 51.2 46.6 44.1 46.0 26.7 26.2 24.4 24.1 44.8 Showalter Index: 3.6 5.7 5.9 6.5 3.5 3.3 3.4 4.0 6.4 11.0 12.9 17.1 17.2 19.8 19.6 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 5.0 0.0 -999.9 6.1 -999.9 Storm Dir (deg): 193 158 190 202 230 234 265 257 274 282 308 329 346 349 340 Storm Spd (kts): 10 12 9 11 10 7 7 7 9 11 14 18 22 18 13 2m HeatIndex(F): 51 61 66 58 55 63 71 59 49 51 53 47 45 47 51 2m WindChill(F): 51 61 66 58 55 63 71 59 49 51 53 47 45 47 51 1000mb GPH (m): 124 130 118 118 107 100 87 98 107 130 147 185 213 244 245 950mb GPH (m): 553 562 555 553 540 535 528 533 534 554 573 605 632 663 668 950mb Temp (C): 13.1 12.6 15.5 17.4 18.4 17.3 18.8 16.0 12.0 7.0 7.5 4.3 2.8 3.0 5.5 950mb Dewpt(C): 1.9 -0.6 1.8 -0.9 -1.1 0.2 5.7 5.6 3.4 3.3 5.4 3.3 2.4 1.3 0.4 950mb RH (%): 46 39 39 28 26 31 41 49 55 77 87 93 97 89 69 950mb Dir: 76 87 83 92 96 90 31 355 328 276 299 304 290 275 302 950mb Speed(kt): 14 24 18 24 18 16 2 5 9 5 13 16 11 7 7 900mb GPH (m): 1008 1017 1014 1015 1003 997 989 991 987 999 1016 1042 1066 1098 1106 900mb Temp (C): 13.3 14.3 16.4 18.1 18.8 18.3 16.5 14.6 12.2 8.1 3.5 0.7 -0.7 -1.0 1.3 900mb Dewpt(C): 0.1 -4.2 -2.7 -4.9 -5.8 -4.0 -1.9 1.6 -2.4 -4.1 2.2 -1.5 -0.9 -1.2 -0.3 900mb RH (%): 40 27 26 20 18 21 28 41 36 41 91 85 98 98 89 900mb Dir: 96 103 120 109 52 100 17 320 327 329 314 317 312 301 304 900mb Speed(kt): 19 32 12 7 2 3 3 2 10 17 15 20 17 10 8 850mb GPH (m): 1487 1498 1497 1500 1489 1483 1473 1472 1463 1470 1478 1501 1522 1552 1563 850mb Temp (C): 11.5 12.7 13.9 14.7 14.4 14.6 13.6 12.9 10.3 7.3 2.8 -0.1 -2.1 -1.8 -0.7 850mb Dewpt(C): -0.2 -3.7 -3.9 -6.3 -2.0 -3.1 -1.7 -1.5 -2.9 -11.3 -9.7 -15.5 -9.0 -13.9 -16.6 850mb RH (%): 44 31 28 22 32 29 34 36 39 25 39 30 59 39 29 850mb Dir: 95 109 180 185 247 166 320 254 290 313 316 318 325 330 337 850mb Speed(kt): 10 17 5 4 3 1 6 2 8 14 20 26 26 23 15 800mb GPH (m): 1989 2003 2004 2007 1996 1991 1979 1978 1965 1966 1966 1983 2002 2032 2047 800mb Temp (C): 7.4 8.8 10.2 10.3 10.6 10.8 10.3 9.7 8.0 4.8 0.7 -2.3 -3.1 -3.4 -1.0 800mb Dewpt(C): -2.0 -3.7 -7.3 -8.0 -2.0 -2.0 -1.9 -2.4 -5.2 -6.7 -0.3 -25.2 -26.0 -24.1 -30.4 800mb RH (%): 51 41 28 27 41 40 42 42 38 43 93 16 15 19 9 800mb Dir: 98 115 203 220 231 203 259 243 250 285 287 313 325 332 343 800mb Speed(kt): 5 9 9 14 9 8 8 7 10 13 19 25 29 26 15 750mb GPH (m): 2516 2533 2536 2539 2529 2524 2512 2509 2494 2489 2484 2493 2512 2542 2561 750mb Temp (C): 2.9 5.5 6.2 6.4 6.5 6.6 6.3 5.8 4.7 2.5 -0.5 -3.3 -3.8 -2.9 -1.4 750mb Dewpt(C): -4.8 -7.6 -12.1 -11.2 -3.7 -6.7 -2.5 -2.0 -3.5 -10.0 -9.7 -36.2 -43.3 -38.3 -46.0 750mb RH (%): 57 38 26 27 48 38 53 57 55 39 50 6 3 5 2 750mb Dir: 175 137 183 216 212 225 243 241 238 263 281 308 317 331 333 750mb Speed(kt): 9 9 11 17 12 11 10 11 13 15 20 26 29 28 13 700mb GPH (m): 3071 3092 3096 3100 3090 3086 3073 3069 3053 3044 3033 3036 3054 3087 3107 700mb Temp (C): 0.0 1.1 2.0 2.1 1.6 2.4 1.7 1.4 0.6 -0.5 -2.7 -5.0 -5.2 -3.5 -4.0 700mb Dewpt(C): -10.6 -13.0 -15.1 -15.9 -7.4 -6.1 -4.8 -5.6 -4.9 -8.4 -10.6 -35.5 -38.2 -43.0 -44.7 700mb RH (%): 45 34 27 25 51 53 62 60 66 55 55 7 6 3 3 700mb Dir: 196 154 172 207 214 227 227 232 238 240 283 299 315 329 312 700mb Speed(kt): 17 13 16 18 18 14 12 14 14 17 22 28 34 30 14 650mb GPH (m): 3660 3683 3689 3693 3682 3679 3665 3661 3642 3631 3617 3615 3633 3668 3686 650mb Temp (C): -4.0 -2.8 -1.9 -1.9 -2.6 -2.6 -3.1 -3.2 -4.5 -5.3 -6.3 -8.4 -6.9 -7.2 -7.8 650mb Dewpt(C): -13.3 -20.8 -19.5 -17.8 -16.1 -8.2 -6.9 -7.1 -7.2 -8.2 -10.5 -37.3 -49.9 -33.0 -35.1 650mb RH (%): 48 24 25 29 35 66 75 74 81 80 72 8 2 11 10 650mb Dir: 200 168 181 200 215 214 212 220 226 225 274 287 314 327 299 650mb Speed(kt): 20 15 17 21 19 12 14 17 15 17 21 30 37 31 18 600mb GPH (m): 4286 4311 4319 4323 4310 4307 4293 4287 4267 4254 4237 4230 4253 4287 4303 600mb Temp (C): -7.8 -7.0 -6.3 -6.7 -7.3 -8.0 -7.6 -8.7 -8.3 -9.4 -10.1 -11.2 -10.0 -10.5 -11.6 600mb Dewpt(C): -17.4 -32.5 -21.3 -21.1 -17.2 -12.8 -13.2 -11.4 -17.5 -14.0 -16.8 -54.9 -46.1 -30.4 -17.7 600mb RH (%): 46 12 30 31 45 68 64 81 48 69 58 2 4 18 60 600mb Dir: 199 172 181 188 210 222 211 215 226 227 265 284 316 320 299 600mb Speed(kt): 17 14 15 21 18 12 14 17 16 18 22 31 40 34 25 550mb GPH (m): 4957 4983 4994 4996 4981 4978 4964 4958 4937 4920 4901 4893 4918 4951 4966 550mb Temp (C): -12.1 -11.4 -10.6 -11.1 -12.7 -12.7 -11.6 -11.7 -12.2 -13.6 -14.6 -15.3 -13.8 -14.7 -14.1 550mb Dewpt(C): -18.9 -41.7 -26.8 -23.5 -14.8 -19.3 -24.7 -25.0 -24.1 -20.4 -18.2 -55.8 -39.1 -23.9 -20.7 550mb RH (%): 57 7 26 36 84 58 34 33 37 57 74 2 10 46 58 550mb Dir: 194 154 172 167 209 234 216 214 225 222 255 289 321 310 303 550mb Speed(kt): 19 14 13 17 18 11 12 15 16 18 23 32 49 37 35 500mb GPH (m): 5678 5706 5719 5722 5701 5697 5687 5680 5659 5638 5616 5606 5635 5667 5685 500mb Temp (C): -17.2 -16.3 -15.4 -15.4 -16.4 -17.1 -16.9 -16.7 -16.8 -18.2 -19.2 -19.1 -18.7 -17.5 -17.3 500mb Dewpt(C): -22.0 -40.6 -37.9 -31.7 -20.5 -23.4 -24.5 -28.8 -30.5 -27.3 -22.6 -56.8 -36.4 -31.1 -28.9 500mb RH (%): 67 11 13 24 71 58 52 35 30 45 75 2 20 30 37 500mb Dir: 188 172 191 140 202 230 247 203 222 218 241 289 315 310 304 500mb Speed(kt): 18 19 9 14 17 10 15 12 18 20 25 31 50 43 40 450mb GPH (m): 6459 6488 6505 6507 6486 6481 6470 6463 6440 6416 6391 6381 6411 6448 6465 450mb Temp (C): -22.5 -22.7 -22.1 -22.0 -21.4 -21.6 -22.0 -22.7 -22.5 -23.6 -24.5 -25.1 -24.4 -22.9 -23.3 450mb Dewpt(C): -26.6 -32.8 -31.3 -29.2 -28.3 -29.4 -30.5 -30.9 -38.7 -33.5 -27.8 -57.5 -34.6 -41.4 -34.9 450mb RH (%): 70 40 44 53 55 50 47 48 22 41 74 4 39 18 35 450mb Dir: 194 184 205 118 190 203 236 204 218 215 227 290 311 313 299 450mb Speed(kt): 18 22 14 12 14 11 12 13 21 23 27 29 58 49 44 400mb GPH (m): 7312 7339 7357 7362 7343 7336 7323 7315 7292 7265 7238 7225 7259 7298 7314 400mb Temp (C): -29.2 -29.5 -29.4 -28.3 -28.5 -29.1 -28.7 -29.3 -29.7 -30.2 -30.4 -31.6 -30.0 -30.2 -30.5 400mb Dewpt(C): -33.7 -42.3 -42.4 -32.3 -36.2 -37.2 -40.4 -35.4 -48.6 -45.8 -33.9 -55.7 -45.3 -48.6 -37.1 400mb RH (%): 66 29 29 70 48 46 33 56 15 22 72 8 22 16 54 400mb Dir: 202 190 198 140 176 208 219 208 213 207 224 282 313 316 299 400mb Speed(kt): 17 26 19 11 12 12 11 16 19 25 30 26 68 56 52 350mb GPH (m): 8249 8272 8293 8301 8282 8275 8262 8252 8227 8199 8172 8155 8194 8232 8248 350mb Temp (C): -37.6 -38.3 -37.5 -37.0 -36.7 -36.3 -37.0 -37.1 -37.7 -37.1 -37.7 -38.4 -37.4 -37.6 -37.5 350mb Dewpt(C): -41.4 -45.8 -45.4 -42.9 -43.1 -50.4 -49.3 -44.6 -51.0 -48.4 -41.8 -57.0 -57.3 -50.3 -44.8 350mb RH (%): 68 47 45 56 53 24 28 47 25 32 67 14 12 27 48 350mb Dir: 200 193 199 172 172 221 205 207 219 213 219 264 319 313 304 350mb Speed(kt): 20 34 34 18 15 18 15 14 18 22 32 26 73 66 61 300mb GPH (m): 9291 9311 9338 9348 9331 9322 9306 9296 9273 9248 9217 9198 9237 9275 9291 300mb Temp (C): -47.0 -46.6 -45.7 -45.6 -45.1 -45.8 -46.9 -45.9 -45.0 -44.9 -45.6 -45.2 -46.9 -46.5 -46.6 300mb Dewpt(C): -50.7 -53.0 -51.2 -53.9 -50.7 -52.1 -53.3 -54.9 -54.4 -49.1 -50.7 -61.7 -59.6 -55.6 -51.9 300mb RH (%): 67 50 56 40 55 51 50 38 36 64 58 16 24 37 56 300mb Dir: 190 195 194 194 181 196 211 242 238 226 208 266 320 305 298 300mb Speed(kt): 25 36 47 23 20 27 20 6 6 21 36 27 79 70 69 250mb GPH (m): 10475 10511 10536 10548 10528 10512 10493 10488 10469 10442 10411 10402 10418 10461 10476 250mb Temp (C): -52.1 -48.1 -49.5 -50.2 -51.8 -52.9 -53.2 -53.1 -52.9 -52.4 -51.8 -49.2 -54.4 -54.0 -54.5 250mb Dewpt(C): -63.6 -67.7 -62.7 -62.2 -59.5 -58.4 -59.4 -60.5 -60.5 -58.9 -61.3 -70.1 -64.8 -62.2 -62.4 250mb RH (%): 26 10 22 25 42 53 49 43 42 47 33 8 29 38 40 250mb Dir: 200 209 202 188 192 199 224 349 286 225 217 279 310 303 296 250mb Speed(kt): 22 31 35 28 24 14 5 10 9 21 36 31 60 89 92 200mb GPH (m): 11919 11972 11986 11987 11956 11937 11914 11910 11892 11876 11850 11853 11854 11872 11881 200mb Temp (C): -51.1 -51.5 -53.1 -54.5 -55.2 -55.3 -56.6 -55.8 -56.4 -53.9 -53.3 -52.5 -51.7 -58.3 -60.5 200mb Dewpt(C): -76.8 -74.5 -73.0 -74.0 -72.4 -71.3 -71.7 -71.3 -71.1 -74.0 -74.1 -76.2 -77.7 -70.0 -69.3 200mb RH (%): 4 6 9 9 12 14 15 15 16 8 8 5 4 23 33 200mb Dir: 209 210 148 180 160 173 268 224 265 233 228 271 275 295 295 200mb Speed(kt): 29 23 15 21 16 17 8 7 15 21 33 28 33 72 79 150mb GPH (m): 13784 13814 13833 13831 13801 13775 13748 13747 13732 13723 13707 13709 13702 13708 13702 150mb Temp (C): -53.1 -55.2 -54.3 -54.6 -54.7 -54.1 -54.5 -54.1 -53.8 -52.6 -52.3 -52.1 -52.7 -54.3 -52.3 150mb Dewpt(C): -83.3 -85.0 -83.8 -84.5 -84.5 -84.0 -84.3 -83.6 -83.8 -80.1 -81.6 -82.5 -82.7 -85.0 -86.5 150mb RH (%): 2 2 2 2 2 2 2 2 2 3 2 2 2 2 1 150mb Dir: 235 196 204 195 188 175 213 242 231 220 249 247 272 256 292 150mb Speed(kt): 15 12 9 16 18 16 23 14 20 29 28 26 30 32 37 100mb GPH (m): 16374 16393 16402 16400 16371 16358 16337 16333 16314 16322 16308 16314 16305 16305 16302 100mb Temp (C): -56.1 -56.7 -58.2 -58.0 -57.7 -57.0 -56.2 -56.1 -56.1 -55.8 -55.5 -54.3 -55.1 -53.7 -55.1 100mb Dewpt(C): -85.5 -86.0 -81.0 -83.0 -86.6 -90.6 -85.6 -85.5 -85.5 -112.8 -78.9 -88.6 -89.2 -88.2 -84.8 100mb RH (%): 2 2 5 4 2 1 2 2 2 0 0 1 1 1 2 100mb Dir: 234 209 213 204 198 193 222 211 226 228 225 237 245 243 257 100mb Speed(kt): 13 9 12 13 16 24 20 21 23 20 30 28 28 31 36