Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z OCT 28, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 990.9 992.3 992.2 993.1 992.7 991.8 990.0 989.8 989.9 990.9 991.0 991.5 992.0 992.6 993.4 Mean SLP (mb): 1015.6 1017.0 1016.8 1017.9 1017.5 1016.6 1014.6 1014.6 1014.8 1015.8 1015.8 1016.4 1017.0 1017.4 1018.3 2m agl Tmp (F): 47.4 47.1 47.6 46.3 45.0 47.2 50.3 44.8 41.8 44.9 47.2 43.6 42.5 47.8 44.0 2m agl Dewpt(F): 45.3 46.0 45.8 45.2 42.9 41.2 38.8 39.0 38.4 39.4 36.4 33.5 31.1 35.5 43.0 2m agl RH (%): 92 96 93 96 92 79 64 80 87 81 66 67 63 62 96 10m agl Dir: 200 228 212 200 173 149 195 98 101 197 171 101 107 141 141 10m agl Spd(kt): 9 7 6 5 4 3 2 2 1 3 3 4 5 5 4 6hr Precip (in): 0.00 0.18 0.14 0.10 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.23 AccumPrecip(in): 0.00 0.18 0.32 0.41 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.48 0.71 Sfc CAPE (J/kg): 12.7 78.3 159.0 145.3 65.8 25.3 44.1 10.3 7.4 26.6 7.6 0.0 0.0 0.0 31.4 Sfc CINH (J/kg): -3.6 -0.9 0.0 0.0 0.0 -0.5 0.0 -19.7 -33.8 -2.8 -1.0 -0.1 -0.3 -0.3 -7.7 0-3km Hel(J/kg): 212.7 143.4 116.7 103.1 96.4 85.3 70.0 79.0 74.7 49.8 58.9 100.3 128.1 105.9 123.3 Precip H20 (in): 0.63 0.55 0.54 0.48 0.44 0.41 0.41 0.41 0.42 0.38 0.37 0.36 0.45 0.45 0.59 Lifted Index(C): 6.9 7.9 7.3 7.7 10.4 10.0 7.9 7.9 7.4 6.6 3.1 4.3 4.9 4.0 0.9 700mb VV(-ub/s): 8.8 6.5 3.4 2.8 0.4 0.3 -0.3 -0.1 0.3 0.8 -2.8 0.1 0.2 2.1 15.8 Thk1000-500mb(m)5404.7 5389.1 5378.6 5370.0 5363.2 5368.2 5372.3 5368.0 5351.8 5335.2 5330.4 5346.3 5347.4 5343.8 5335.5 Thk1000-850mb(m)1327.6 1324.0 1322.5 1318.9 1314.2 1315.9 1323.3 1320.9 1315.6 1311.9 1317.1 1319.4 1317.5 1318.7 1315.9 Thk850-700mb(m):1533.6 1526.7 1524.2 1519.4 1516.0 1517.3 1519.2 1519.8 1516.2 1515.0 1518.8 1523.7 1521.5 1521.1 1522.4 SWEAT Index: 128.4 105.1 169.0 164.2 78.3 79.3 73.1 70.7 63.8 75.6 151.8 133.9 147.0 199.3 225.6 Total Totals Idx 43.4 40.0 40.2 39.8 37.6 38.1 40.9 42.4 45.6 46.1 53.6 47.6 49.7 52.3 56.8 Frz Hgt(ft amsl) 5390 4741 4465 4187 3819 4017 4452 4446 4084 3079 3990 4480 4241 4311 4164 0WetBlbHgt(amsl) 5305 4547 4298 3955 3545 3557 3859 3706 3585 2999 3230 3358 3712 3479 4110 Equil Prs (mb): 738 652 630 658 695 693 673 748 990 740 991 991 992 993 820 Equil Hgt(amsl): 8462 11583 12434 11330 9928 9977 10703 8020 26 8307 26 26 26 26 5752 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: 28.5 26.2 25.5 25.0 22.2 23.0 30.5 27.8 22.2 20.8 29.8 31.4 29.0 33.4 20.6 Showalter Index: 6.9 9.4 9.6 10.1 11.3 11.0 9.4 8.7 7.2 7.2 3.2 6.1 5.1 3.8 1.5 Cap Strength(C): 0.7 -0.9 -1.5 -1.5 -0.8 -999.9 -999.9 0.0 -999.9 0.2 -999.9 -999.9 -999.9 -999.9 0.9 Storm Dir (deg): 292 294 287 274 270 255 253 239 238 231 253 233 240 236 256 Storm Spd (kts): 26 24 22 20 18 16 15 15 14 14 12 16 17 16 16 2m HeatIndex(F): 47 47 48 46 45 47 50 45 42 45 47 44 43 48 44 2m WindChill(F): 47 47 48 46 45 47 50 45 42 45 47 44 43 48 44 1000mb GPH (m): 128 139 138 147 143 135 121 119 121 129 129 133 138 142 149 950mb GPH (m): 551 562 561 568 563 556 545 541 540 548 550 554 558 563 568 950mb Temp (C): 6.5 6.2 5.8 5.3 3.9 4.2 6.5 6.0 4.4 3.8 4.8 5.5 5.3 5.4 4.4 950mb Dewpt(C): 5.4 5.8 5.3 4.2 3.5 3.3 2.5 1.9 2.7 2.1 1.6 1.6 1.5 0.8 4.3 950mb RH (%): 93 97 97 93 97 94 75 75 88 89 80 76 76 72 99 950mb Dir: 216 233 221 218 182 152 187 175 239 200 172 171 176 175 200 950mb Speed(kt): 22 20 15 12 7 4 3 3 4 4 4 9 11 10 12 900mb GPH (m): 993 1003 1001 1007 1000 993 985 981 978 984 988 994 997 1002 1007 900mb Temp (C): 4.2 3.0 2.6 1.8 0.9 1.2 2.3 2.3 1.2 -0.4 1.0 2.3 1.8 1.8 1.7 900mb Dewpt(C): 2.5 2.5 2.2 0.9 0.0 0.0 0.4 -0.8 0.1 -0.7 -1.0 -2.4 -0.2 -1.7 1.5 900mb RH (%): 89 97 97 94 94 91 87 80 92 98 87 71 87 78 99 900mb Dir: 244 255 236 225 209 183 175 179 191 189 176 194 197 194 223 900mb Speed(kt): 29 20 18 15 10 8 3 5 6 9 6 17 18 22 24 850mb GPH (m): 1456 1463 1461 1466 1457 1451 1444 1440 1436 1441 1446 1453 1455 1461 1465 850mb Temp (C): 1.4 -0.1 -0.7 -1.3 -1.6 -1.2 -0.5 -0.5 -0.9 -1.6 -1.0 -0.5 -1.0 -0.8 -1.3 850mb Dewpt(C): 1.0 -1.0 -1.6 -2.3 -2.8 -4.0 -3.6 -4.0 -3.3 -4.9 -4.5 -7.3 -3.1 -3.1 -1.5 850mb RH (%): 97 94 94 93 92 81 79 77 83 78 77 60 86 84 98 850mb Dir: 259 263 249 231 226 195 213 198 195 198 216 197 203 201 234 850mb Speed(kt): 27 19 20 17 11 11 8 9 8 12 13 20 19 23 23 800mb GPH (m): 1941 1946 1943 1946 1937 1931 1925 1921 1916 1920 1926 1934 1936 1941 1946 800mb Temp (C): -2.2 -3.0 -3.4 -4.1 -5.0 -4.7 -4.2 -3.9 -4.8 -5.2 -4.4 -3.8 -4.1 -4.4 -3.8 800mb Dewpt(C): -2.6 -3.6 -4.2 -5.0 -6.0 -9.1 -8.2 -7.5 -6.6 -9.2 -8.9 -11.8 -6.1 -5.5 -4.1 800mb RH (%): 97 96 95 93 92 71 73 76 87 74 71 54 86 92 98 800mb Dir: 258 258 253 233 236 196 206 202 196 185 218 197 207 202 228 800mb Speed(kt): 28 23 20 19 12 9 10 13 9 14 14 19 20 21 22 750mb GPH (m): 2450 2454 2450 2452 2441 2436 2430 2427 2420 2423 2431 2441 2442 2447 2452 750mb Temp (C): -5.3 -6.2 -6.6 -7.7 -8.3 -7.9 -7.5 -8.1 -8.5 -8.2 -7.3 -6.1 -6.9 -7.0 -6.9 750mb Dewpt(C): -5.6 -6.5 -7.2 -8.6 -12.0 -14.6 -18.9 -12.0 -14.4 -18.9 -20.2 -24.1 -8.4 -8.2 -7.5 750mb RH (%): 98 98 96 93 74 59 40 74 63 42 35 23 89 91 95 750mb Dir: 259 257 252 235 245 220 208 196 205 184 235 199 208 208 225 750mb Speed(kt): 30 28 24 20 15 10 10 15 10 11 12 18 20 20 23 700mb GPH (m): 2989 2990 2985 2985 2973 2969 2963 2960 2952 2956 2965 2976 2977 2982 2987 700mb Temp (C): -8.4 -10.4 -10.7 -10.8 -10.7 -10.5 -10.7 -10.2 -10.4 -10.5 -10.4 -9.5 -10.0 -10.2 -9.9 700mb Dewpt(C): -9.0 -11.1 -11.6 -26.2 -28.0 -27.9 -26.1 -28.1 -26.6 -29.1 -25.3 -26.1 -20.3 -14.7 -11.2 700mb RH (%): 96 95 93 28 23 23 28 22 26 21 29 25 43 70 90 700mb Dir: 257 254 251 242 241 225 225 200 210 197 241 206 212 213 227 700mb Speed(kt): 34 31 26 21 22 17 13 15 15 13 12 21 24 19 23 650mb GPH (m): 3559 3558 3551 3552 3541 3536 3530 3527 3520 3523 3531 3544 3544 3549 3554 650mb Temp (C): -12.6 -12.5 -13.4 -12.9 -12.8 -12.8 -13.2 -12.8 -12.9 -13.2 -14.5 -13.6 -13.3 -13.3 -14.2 650mb Dewpt(C): -14.6 -39.3 -32.2 -41.7 -45.1 -44.3 -38.7 -37.3 -43.7 -44.4 -27.7 -26.5 -31.8 -25.9 -15.8 650mb RH (%): 85 9 20 7 5 6 10 12 6 6 32 33 20 34 87 650mb Dir: 261 264 258 250 242 226 225 211 212 207 234 206 217 215 228 650mb Speed(kt): 37 36 31 30 31 26 24 23 22 17 18 24 27 21 24 600mb GPH (m): 4166 4166 4157 4158 4147 4142 4135 4133 4125 4125 4131 4146 4147 4152 4156 600mb Temp (C): -14.9 -14.4 -15.5 -15.2 -15.7 -15.7 -16.1 -15.6 -17.0 -18.3 -18.5 -18.6 -17.7 -18.1 -18.7 600mb Dewpt(C): -26.9 -49.1 -45.8 -43.3 -50.3 -46.0 -40.9 -43.3 -40.4 -38.0 -41.2 -31.1 -29.6 -36.2 -20.4 600mb RH (%): 36 4 6 8 4 6 10 8 12 17 12 33 36 20 87 600mb Dir: 268 266 263 248 243 228 224 213 213 207 232 206 219 210 227 600mb Speed(kt): 43 44 42 42 39 35 34 32 27 22 22 27 30 24 25 550mb GPH (m): 4822 4820 4810 4811 4799 4796 4788 4784 4773 4769 4773 4789 4792 4796 4798 550mb Temp (C): -16.5 -17.7 -17.8 -18.3 -18.1 -17.3 -18.0 -19.0 -20.2 -21.9 -24.0 -23.1 -22.2 -22.9 -23.7 550mb Dewpt(C): -39.8 -42.9 -45.5 -40.4 -56.2 -45.4 -42.5 -36.2 -43.0 -42.9 -41.1 -31.9 -29.7 -40.5 -25.5 550mb RH (%): 12 10 8 13 2 7 10 21 12 14 20 45 51 20 85 550mb Dir: 276 272 266 251 246 233 226 215 209 205 229 208 218 212 229 550mb Speed(kt): 55 53 54 52 48 48 49 43 39 35 26 32 35 27 26 500mb GPH (m): 5533 5528 5517 5517 5506 5504 5493 5487 5472 5464 5460 5480 5485 5486 5485 500mb Temp (C): -20.5 -20.6 -21.3 -21.7 -21.0 -21.7 -22.5 -23.5 -24.9 -26.3 -29.5 -27.7 -26.9 -28.1 -29.8 500mb Dewpt(C): -38.0 -45.2 -49.5 -45.9 -49.6 -35.0 -35.2 -34.4 -34.8 -33.9 -47.5 -33.4 -31.4 -42.3 -32.5 500mb RH (%): 20 10 7 10 6 30 31 37 40 50 17 59 66 26 78 500mb Dir: 279 278 269 253 247 236 227 215 209 203 224 212 218 214 233 500mb Speed(kt): 63 66 62 58 56 57 57 53 48 51 32 36 39 34 24 450mb GPH (m): 6304 6302 6287 6286 6275 6269 6257 6248 6229 6217 6203 6226 6234 6232 6224 450mb Temp (C): -25.2 -24.6 -26.1 -26.0 -27.2 -27.9 -28.6 -29.5 -30.8 -31.4 -34.5 -34.0 -33.2 -34.6 -36.4 450mb Dewpt(C): -42.8 -52.1 -42.5 -48.4 -45.7 -39.8 -38.9 -38.6 -36.9 -37.3 -53.6 -39.1 -36.4 -40.8 -40.3 450mb RH (%): 19 7 21 11 17 32 38 42 56 57 14 61 74 55 69 450mb Dir: 282 273 266 256 245 232 227 216 209 204 216 218 216 212 239 450mb Speed(kt): 70 71 66 60 60 62 62 58 54 61 45 41 45 41 20 400mb GPH (m): 7149 7147 7127 7126 7111 7102 7088 7076 7053 7042 7018 7038 7050 7041 7030 400mb Temp (C): -30.8 -31.2 -32.5 -32.9 -33.9 -35.0 -35.3 -36.2 -36.6 -35.9 -38.1 -40.7 -39.7 -41.5 -41.0 400mb Dewpt(C): -53.9 -50.9 -43.5 -47.9 -44.2 -42.6 -42.1 -42.2 -45.2 -49.8 -56.4 -46.9 -44.2 -44.9 -49.5 400mb RH (%): 9 14 34 22 36 47 51 55 42 24 14 53 63 70 41 400mb Dir: 281 271 263 255 244 231 224 215 210 204 209 221 214 209 252 400mb Speed(kt): 75 71 63 60 64 64 67 61 61 73 68 49 51 47 23 350mb GPH (m): 8083 8078 8052 8049 8030 8019 8003 7989 7967 7958 7930 7936 7949 7934 7939 350mb Temp (C): -37.3 -38.4 -40.2 -40.9 -40.6 -41.3 -41.9 -42.3 -42.1 -41.6 -41.4 -45.1 -45.5 -47.0 -40.0 350mb Dewpt(C): -54.0 -52.0 -47.1 -46.8 -45.3 -44.9 -47.2 -53.3 -57.1 -59.4 -59.8 -59.0 -54.0 -55.4 -67.1 350mb RH (%): 17 24 49 54 62 69 58 31 20 14 13 21 40 40 5 350mb Dir: 281 268 262 255 242 229 221 213 212 207 206 215 211 210 305 350mb Speed(kt): 77 68 60 61 74 77 77 68 73 83 89 55 58 53 32 300mb GPH (m): 9130 9119 9088 9082 9063 9049 9034 9018 8997 8990 8964 8959 8963 8952 8988 300mb Temp (C): -45.2 -46.5 -46.9 -47.2 -48.0 -48.2 -47.4 -48.1 -47.9 -47.3 -46.3 -47.7 -50.2 -46.8 -42.0 300mb Dewpt(C): -59.8 -55.5 -58.6 -56.7 -52.2 -53.8 -63.7 -62.5 -62.2 -62.6 -66.5 -66.4 -62.5 -67.2 -71.8 300mb RH (%): 20 37 27 35 63 54 15 19 19 17 10 11 24 9 3 300mb Dir: 273 264 261 254 241 229 219 213 217 209 206 211 211 218 317 300mb Speed(kt): 76 65 62 67 83 87 76 76 78 90 93 61 59 46 46 250mb GPH (m): 10322 10305 10277 10269 10246 10231 10224 10203 10185 10179 10162 10157 10151 10164 10215 250mb Temp (C): -54.2 -54.2 -52.8 -53.6 -54.0 -54.2 -53.1 -52.8 -52.2 -52.3 -49.9 -48.7 -49.3 -45.6 -44.2 250mb Dewpt(C): -66.8 -65.9 -68.4 -64.9 -63.4 -67.4 -69.6 -67.6 -68.6 -67.4 -70.3 -75.6 -70.6 -74.8 -75.9 250mb RH (%): 22 25 15 26 33 20 14 17 14 16 9 4 8 3 2 250mb Dir: 271 262 261 251 241 230 222 215 213 211 207 212 215 242 310 250mb Speed(kt): 73 63 64 73 83 77 79 72 74 85 79 55 46 29 46 200mb GPH (m): 11727 11720 11699 11689 11666 11653 11647 11637 11619 11620 11618 11624 11621 11647 11701 200mb Temp (C): -59.7 -57.8 -57.0 -56.5 -56.3 -55.0 -55.4 -53.7 -53.4 -52.1 -50.3 -48.9 -47.6 -46.8 -47.4 200mb Dewpt(C): -71.8 -72.9 -71.6 -72.3 -72.8 -72.3 -73.3 -73.3 -74.0 -75.4 -81.6 -80.6 -84.3 -82.7 -78.9 200mb RH (%): 22 15 16 14 13 12 11 9 8 6 2 2 1 1 2 200mb Dir: 272 261 261 254 244 238 214 230 217 214 217 216 225 263 307 200mb Speed(kt): 65 56 59 63 61 47 53 56 53 54 49 36 30 22 46 150mb GPH (m): 13550 13541 13532 13524 13505 13495 13496 13491 13478 13483 13491 13503 13509 13540 13587 150mb Temp (C): -55.6 -55.9 -55.0 -55.0 -54.2 -53.4 -53.2 -52.4 -51.8 -51.8 -51.0 -50.8 -50.1 -50.0 -51.0 150mb Dewpt(C): -82.3 -82.6 -84.7 -80.0 -84.0 -83.5 -83.3 -83.0 -86.9 -86.9 -89.2 -86.2 -81.0 -85.6 -86.3 150mb RH (%): 3 3 2 4 2 2 2 2 1 1 1 1 2 1 1 150mb Dir: 279 256 262 255 247 239 237 222 225 207 225 222 241 265 302 150mb Speed(kt): 33 33 38 35 37 31 31 30 26 26 21 17 17 19 32 100mb GPH (m): 16123 16123 16113 16108 16092 16096 16095 16098 16088 16100 16109 16127 16128 16160 16191 100mb Temp (C): -56.0 -54.7 -55.5 -55.3 -55.4 -54.8 -55.3 -54.5 -54.9 -53.7 -54.3 -53.8 -54.1 -55.0 -55.8 100mb Dewpt(C): -89.8 -88.9 -85.1 -84.9 -89.4 -89.0 -89.4 -84.3 -89.0 -83.7 -84.1 -83.8 -84.1 -84.7 -89.7 100mb RH (%): 1 1 2 2 1 1 1 2 1 2 2 2 2 2 1 100mb Dir: 268 266 243 261 258 231 241 214 230 212 222 233 267 265 288 100mb Speed(kt): 24 25 19 20 16 17 17 6 12 6 8 6 8 12 20