Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z OCT 31, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 990.1 989.9 988.0 989.3 991.2 994.2 995.9 998.0 997.9 997.9 995.4 993.0 991.3 992.5 993.5 Mean SLP (mb): 1015.1 1014.7 1012.4 1013.9 1016.2 1019.3 1020.9 1023.1 1023.1 1022.9 1019.9 1017.5 1015.9 1017.1 1017.9 2m agl Tmp (F): 39.6 47.4 52.2 46.3 41.5 42.4 43.4 43.2 37.6 44.9 52.8 50.2 48.7 52.0 56.3 2m agl Dewpt(F): 35.3 41.3 39.7 36.9 38.4 41.7 41.6 40.5 36.7 39.7 39.8 37.8 37.0 39.7 41.7 2m agl RH (%): 84 79 62 69 88 97 93 90 97 82 61 62 63 62 57 10m agl Dir: 72 75 80 80 98 153 231 133 74 79 80 82 78 74 264 10m agl Spd(kt): 5 8 6 3 2 1 1 1 4 5 6 10 8 5 3 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 10.0 1.6 0.4 7.3 9.0 4.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 Sfc CINH (J/kg): 0.0 0.0 -0.4 -0.2 -0.6 0.0 0.0 -0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 108.5 133.4 83.8 91.7 29.2 -0.6 16.0 25.2 53.7 84.0 113.7 176.5 80.3 35.1 77.3 Precip H20 (in): 0.47 0.42 0.56 0.59 0.59 0.53 0.50 0.44 0.43 0.51 0.67 0.49 0.53 0.59 0.58 Lifted Index(C): 1.9 2.3 2.5 4.1 4.0 10.9 14.0 14.6 14.2 12.7 11.9 8.6 6.5 6.6 7.9 700mb VV(-ub/s): 1.6 0.0 1.2 0.4 -0.9 -2.2 -0.5 -2.3 -1.8 1.0 3.5 3.6 -1.3 3.1 -0.3 Thk1000-500mb(m)5376.0 5390.6 5407.5 5407.3 5404.4 5426.7 5476.9 5507.8 5533.5 5541.4 5537.7 5530.7 5502.1 5462.7 5465.2 Thk1000-850mb(m)1326.6 1331.0 1337.0 1331.2 1323.9 1319.7 1321.9 1324.4 1332.4 1341.7 1350.7 1351.5 1349.4 1339.7 1342.3 Thk850-700mb(m):1530.1 1538.6 1543.1 1540.6 1541.0 1545.2 1549.1 1556.8 1566.0 1569.9 1570.5 1574.1 1566.2 1555.9 1552.9 SWEAT Index: 152.4 149.5 92.5 54.6 53.9 40.8 42.6 22.2 29.6 45.5 53.7 69.3 46.4 35.2 36.1 Total Totals Idx 53.3 53.5 51.4 50.1 50.5 36.2 29.8 28.2 27.4 28.9 28.1 38.2 41.1 43.2 37.7 Frz Hgt(ft amsl) 5117 6014 6444 6062 5771 6228 6923 8177 11593 10729 9658 10162 8651 7683 7434 0WetBlbHgt(amsl) 4785 5062 5228 5268 5068 5112 5135 4766 5056 5341 5205 5840 5749 5903 5244 Equil Prs (mb): 990 990 988 989 991 994 996 998 998 998 995 993 991 993 994 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: 29.8 32.7 38.3 30.4 26.6 1.6 3.0 40.8 53.0 52.4 52.1 51.3 43.5 36.9 37.9 Showalter Index: 2.4 2.0 2.9 3.6 3.6 10.8 13.9 14.7 14.6 13.5 13.4 8.4 7.1 6.7 9.8 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 3.0 3.3 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 228 198 201 208 211 8 14 347 246 212 224 207 198 134 51 Storm Spd (kts): 16 15 12 10 5 6 8 4 6 9 13 17 12 8 6 2m HeatIndex(F): 40 47 52 46 42 42 43 43 38 45 53 50 49 52 56 2m WindChill(F): 36 47 52 46 42 42 43 43 34 45 53 50 49 52 56 1000mb GPH (m): 122 120 103 115 131 156 170 187 186 186 165 145 131 141 149 950mb GPH (m): 543 542 529 538 551 574 587 604 606 610 592 572 556 566 578 950mb Temp (C): 7.5 7.5 7.9 7.9 5.5 2.7 2.5 3.4 7.6 10.0 11.5 11.4 11.0 9.0 10.0 950mb Dewpt(C): 4.0 2.6 2.7 1.8 3.5 2.5 2.2 2.5 1.8 1.3 0.9 1.2 1.1 1.7 4.0 950mb RH (%): 78 71 69 65 87 99 98 94 66 54 48 49 50 60 66 950mb Dir: 83 88 83 94 187 132 119 105 121 109 93 96 92 85 278 950mb Speed(kt): 6 19 12 7 3 4 0 4 7 12 18 25 21 13 4 900mb GPH (m): 986 986 974 982 992 1013 1028 1046 1051 1058 1043 1023 1007 1012 1025 900mb Temp (C): 4.2 5.7 6.5 4.8 4.1 3.8 4.3 5.3 6.8 8.4 10.3 10.9 10.4 7.5 7.2 900mb Dewpt(C): 1.9 0.7 0.5 2.0 0.6 1.1 1.0 -0.3 -2.5 -0.6 -4.3 -4.4 -2.0 -0.5 -1.7 900mb RH (%): 85 70 65 82 78 82 79 67 51 53 35 33 42 56 53 900mb Dir: 135 114 111 112 3 355 310 256 139 156 132 137 117 89 327 900mb Speed(kt): 6 16 13 4 3 5 6 2 6 9 8 15 7 11 8 850mb GPH (m): 1449 1451 1440 1446 1455 1476 1491 1511 1518 1528 1515 1496 1480 1481 1492 850mb Temp (C): 0.8 2.8 3.3 2.8 2.0 2.0 2.6 3.7 5.1 6.4 7.2 7.9 7.4 4.9 3.6 850mb Dewpt(C): -0.6 -1.9 -2.0 -1.1 -1.0 -1.5 -2.3 -5.6 -6.7 -7.1 -9.9 -7.4 -6.4 -2.9 -3.9 850mb RH (%): 90 71 68 76 80 78 70 50 42 37 28 33 36 57 58 850mb Dir: 177 131 156 149 14 6 320 231 169 179 163 162 229 36 351 850mb Speed(kt): 11 11 4 2 4 4 4 3 7 11 8 10 1 7 14 800mb GPH (m): 1932 1938 1929 1933 1942 1963 1980 2001 2011 2022 2010 1993 1975 1972 1981 800mb Temp (C): -2.7 -0.8 0.3 -0.6 -1.2 -0.3 0.6 1.9 3.3 4.1 4.3 4.8 4.2 1.7 1.5 800mb Dewpt(C): -5.0 -7.1 -4.2 -4.3 -2.9 -4.6 -7.5 -11.4 -16.8 -17.4 -19.6 -10.3 -9.3 -3.7 -4.5 800mb RH (%): 84 62 72 76 88 73 54 37 21 19 16 33 36 67 64 800mb Dir: 183 154 166 157 14 35 303 221 190 185 166 176 212 38 34 800mb Speed(kt): 15 11 5 3 3 3 3 6 8 12 10 14 3 10 11 750mb GPH (m): 2441 2450 2442 2446 2455 2477 2495 2519 2531 2543 2532 2516 2496 2490 2499 750mb Temp (C): -5.5 -4.2 -3.6 -3.6 -3.0 -2.7 -1.8 -0.1 1.4 2.0 1.1 2.6 0.8 -0.7 -1.2 750mb Dewpt(C): -12.6 -19.0 -6.4 -9.0 -7.6 -9.1 -11.7 -21.9 -31.1 -25.6 -4.6 -34.2 -19.2 -8.4 -6.3 750mb RH (%): 58 31 81 66 71 62 47 18 7 11 65 5 21 56 68 750mb Dir: 193 170 178 146 133 146 253 230 209 192 166 177 185 63 22 750mb Speed(kt): 16 16 10 8 4 1 3 6 5 9 12 17 5 10 6 700mb GPH (m): 2979 2989 2983 2986 2996 3021 3041 3068 3084 3098 3086 3070 3046 3037 3044 700mb Temp (C): -8.5 -7.7 -7.8 -8.3 -6.8 -5.5 -4.5 -2.1 0.6 0.7 -0.4 0.2 -2.4 -4.7 -5.0 700mb Dewpt(C): -19.0 -32.9 -15.1 -10.0 -10.2 -12.8 -17.8 -31.4 -37.9 -22.2 -1.0 -19.0 -16.3 -10.3 -11.3 700mb RH (%): 43 12 56 88 77 56 35 9 4 16 96 22 34 65 61 700mb Dir: 198 176 176 178 157 175 256 285 239 211 207 183 173 93 18 700mb Speed(kt): 20 18 14 14 6 2 5 2 4 8 10 19 11 7 6 650mb GPH (m): 3548 3561 3554 3558 3570 3598 3620 3655 3678 3689 3676 3661 3631 3616 3623 650mb Temp (C): -12.4 -11.7 -12.2 -11.2 -10.6 -9.3 -7.4 -2.1 -0.2 -1.6 -2.7 -3.1 -5.6 -8.1 -7.9 650mb Dewpt(C): -28.2 -41.7 -21.5 -13.7 -13.6 -18.8 -30.1 -43.1 -39.2 -22.8 -8.8 -6.6 -12.5 -16.6 -19.1 650mb RH (%): 26 7 46 82 78 46 15 3 4 18 63 77 58 51 40 650mb Dir: 201 183 180 193 177 214 288 359 260 198 206 196 182 121 54 650mb Speed(kt): 25 21 17 21 7 5 6 8 5 12 19 22 15 8 5 600mb GPH (m): 4155 4167 4161 4168 4181 4212 4242 4289 4313 4322 4306 4289 4253 4233 4241 600mb Temp (C): -16.1 -16.4 -16.0 -15.0 -14.3 -12.9 -7.1 -4.1 -4.1 -4.9 -6.6 -7.4 -10.0 -11.2 -11.4 600mb Dewpt(C): -51.1 -36.9 -18.5 -18.6 -17.9 -27.8 -48.2 -36.7 -25.2 -19.8 -14.8 -21.1 -12.5 -20.9 -23.6 600mb RH (%): 4 16 81 74 74 28 2 6 18 30 53 33 82 45 36 600mb Dir: 209 185 183 191 175 234 353 0 248 189 213 194 184 124 93 600mb Speed(kt): 34 26 23 25 10 9 19 10 10 16 30 25 20 12 8 550mb GPH (m): 4803 4815 4811 4820 4835 4870 4917 4968 4991 4999 4978 4959 4919 4894 4901 550mb Temp (C): -21.2 -21.2 -20.0 -19.2 -18.9 -16.7 -9.2 -9.5 -9.7 -9.8 -12.1 -13.1 -14.2 -16.3 -16.1 550mb Dewpt(C): -44.9 -31.3 -21.4 -23.7 -24.9 -37.7 -31.3 -23.1 -17.8 -16.0 -15.4 -25.5 -16.8 -23.4 -22.5 550mb RH (%): 11 41 88 69 60 15 15 33 52 60 77 35 80 55 58 550mb Dir: 208 186 187 184 191 285 8 336 242 191 213 197 180 130 83 550mb Speed(kt): 40 31 30 27 14 10 33 9 11 21 37 35 33 16 9 500mb GPH (m): 5498 5510 5510 5522 5536 5583 5646 5695 5719 5727 5702 5675 5633 5604 5614 500mb Temp (C): -26.6 -26.3 -25.1 -24.2 -24.8 -17.9 -14.7 -15.1 -14.5 -14.8 -15.4 -18.8 -20.1 -20.6 -19.0 500mb Dewpt(C): -42.3 -34.9 -27.2 -29.1 -34.1 -53.9 -24.6 -24.6 -20.6 -17.0 -17.4 -23.3 -23.4 -23.3 -23.5 500mb RH (%): 22 45 83 65 43 3 43 45 60 83 85 69 75 79 68 500mb Dir: 206 195 187 186 203 353 354 323 251 199 225 200 185 153 23 500mb Speed(kt): 44 36 36 29 16 32 34 16 16 23 38 50 45 22 9 450mb GPH (m): 6249 6264 6267 6280 6293 6367 6434 6483 6508 6516 6489 6455 6407 6377 6391 450mb Temp (C): -32.8 -31.4 -31.0 -30.9 -30.8 -20.5 -20.2 -20.6 -20.2 -20.2 -20.5 -22.5 -24.5 -25.5 -23.8 450mb Dewpt(C): -44.8 -34.8 -34.9 -35.1 -40.5 -45.9 -34.6 -30.0 -26.2 -22.8 -22.8 -24.2 -27.1 -28.2 -30.8 450mb RH (%): 31 73 69 67 39 9 27 43 59 81 82 86 80 78 54 450mb Dir: 208 199 189 192 207 356 335 321 249 209 214 207 187 166 13 450mb Speed(kt): 48 52 41 31 16 61 31 17 17 24 32 41 43 22 13 400mb GPH (m): 7066 7085 7089 7103 7119 7227 7294 7342 7369 7380 7352 7314 7253 7221 7241 400mb Temp (C): -38.9 -38.4 -38.0 -38.0 -34.2 -27.4 -27.3 -27.3 -27.0 -25.0 -25.6 -26.0 -30.8 -30.6 -29.5 400mb Dewpt(C): -50.3 -42.9 -45.1 -42.1 -54.2 -44.2 -39.2 -37.3 -31.5 -27.7 -28.2 -30.0 -36.2 -33.9 -37.8 400mb RH (%): 31 64 49 66 13 20 33 40 66 79 79 69 60 73 46 400mb Dir: 208 196 195 185 334 356 330 323 253 224 215 207 184 172 8 400mb Speed(kt): 54 63 44 35 19 62 34 23 17 25 35 43 39 24 14 350mb GPH (m): 7968 7986 7992 8007 8053 8169 8237 8288 8317 8335 8308 8266 8193 8155 8175 350mb Temp (C): -45.9 -46.2 -46.2 -44.0 -35.5 -35.6 -35.7 -34.4 -33.5 -32.1 -30.7 -32.9 -35.2 -37.5 -38.4 350mb Dewpt(C): -52.6 -53.1 -51.1 -52.0 -64.2 -52.8 -43.9 -42.3 -36.8 -35.4 -33.8 -37.7 -46.2 -41.1 -46.6 350mb RH (%): 48 47 59 42 4 17 44 46 73 74 75 63 33 70 43 350mb Dir: 210 196 198 190 356 350 334 310 271 232 215 200 197 169 109 350mb Speed(kt): 62 65 48 30 60 63 38 30 26 28 42 42 53 36 9 300mb GPH (m): 8982 8999 9009 9043 9115 9224 9295 9349 9379 9402 9385 9331 9248 9199 9218 300mb Temp (C): -50.0 -49.7 -46.8 -43.1 -40.1 -42.1 -42.4 -42.4 -42.5 -40.7 -39.4 -41.8 -43.7 -46.0 -44.5 300mb Dewpt(C): -62.2 -65.7 -62.0 -70.4 -66.2 -56.5 -51.9 -50.6 -46.3 -44.2 -42.8 -52.7 -52.4 -49.7 -57.4 300mb RH (%): 25 15 18 4 5 21 37 42 67 70 71 31 39 67 24 300mb Dir: 209 198 203 319 353 344 314 293 268 245 225 214 200 161 117 300mb Speed(kt): 65 58 39 6 71 60 40 37 39 45 52 48 58 40 13 250mb GPH (m): 10175 10198 10222 10271 10347 10446 10505 10558 10585 10615 10602 10542 10448 10396 10425 250mb Temp (C): -48.1 -46.6 -45.3 -43.9 -44.3 -45.7 -49.1 -50.0 -51.3 -51.7 -50.9 -50.2 -52.3 -50.4 -49.3 250mb Dewpt(C): -70.8 -74.0 -75.2 -76.7 -69.3 -60.5 -58.2 -55.7 -56.4 -55.5 -54.5 -62.3 -59.0 -61.5 -67.5 250mb RH (%): 7 4 3 2 5 19 36 53 56 65 67 25 47 28 12 250mb Dir: 210 205 244 341 350 341 313 294 269 253 231 223 200 151 330 250mb Speed(kt): 41 32 15 22 67 56 32 59 58 66 69 68 53 31 22 200mb GPH (m): 11649 11680 11706 11756 11829 11912 11960 11993 12007 12025 12012 11969 11873 11843 11872 200mb Temp (C): -47.4 -47.2 -46.9 -47.5 -48.2 -50.6 -51.8 -56.6 -58.3 -60.7 -61.6 -58.8 -55.9 -52.1 -52.4 200mb Dewpt(C): -79.0 -79.1 -78.7 -79.1 -76.4 -71.5 -71.2 -68.8 -65.5 -67.5 -64.0 -68.8 -70.3 -76.5 -79.8 200mb RH (%): 2 2 2 2 3 8 10 23 42 43 75 29 17 5 3 200mb Dir: 224 232 279 344 345 318 289 304 268 257 240 223 192 212 333 200mb Speed(kt): 19 17 14 35 54 43 46 45 51 86 91 53 50 17 36 150mb GPH (m): 13541 13567 13593 13638 13691 13755 13808 13823 13814 13826 13792 13761 13706 13701 13721 150mb Temp (C): -50.0 -50.7 -50.9 -51.3 -55.0 -57.5 -54.9 -55.8 -57.1 -56.5 -60.0 -58.9 -54.1 -53.7 -54.4 150mb Dewpt(C): -85.6 -86.0 -86.2 -86.6 -84.3 -82.1 -81.9 -85.3 -80.1 -83.9 -81.2 -83.3 -84.4 -87.6 -84.2 150mb RH (%): 1 1 1 1 2 4 3 2 5 3 6 4 2 1 2 150mb Dir: 261 246 304 344 330 320 291 252 253 236 235 222 218 272 306 150mb Speed(kt): 7 12 20 24 40 45 28 22 28 36 54 42 31 16 28 100mb GPH (m): 16158 16182 16202 16233 16260 16304 16345 16357 16353 16353 16328 16318 16287 16288 16290 100mb Temp (C): -54.0 -55.0 -55.4 -57.0 -57.6 -59.0 -62.6 -63.3 -60.3 -61.5 -59.9 -58.9 -58.3 -57.2 -57.9 100mb Dewpt(C): -88.4 -84.7 -85.0 -86.2 -86.6 -87.5 -87.7 -86.8 -88.7 -89.1 -88.3 -87.6 -87.5 -86.3 -86.8 100mb RH (%): 1 2 2 2 2 2 3 4 2 2 2 2 2 2 2 100mb Dir: 273 299 323 313 320 314 258 248 255 205 234 228 247 258 296 100mb Speed(kt): 3 9 8 14 18 13 22 26 22 23 22 24 24 15 21