Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z OCT 28, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 992.8 992.2 989.4 991.7 992.5 993.9 993.8 993.0 990.9 989.4 988.9 990.3 990.9 992.4 992.9 Mean SLP (mb): 1017.3 1016.8 1014.0 1016.4 1017.2 1018.8 1018.7 1017.9 1015.5 1014.2 1013.9 1015.3 1015.7 1017.4 1018.1 2m agl Tmp (F): 51.8 48.6 48.0 47.9 49.1 45.5 44.3 45.0 49.4 43.2 38.4 44.6 46.3 42.2 37.3 2m agl Dewpt(F): 49.9 46.6 47.1 46.7 42.9 43.2 42.9 41.5 38.5 36.1 35.0 39.2 37.5 36.5 32.8 2m agl RH (%): 93 93 97 95 79 92 95 87 65 76 87 81 71 80 83 10m agl Dir: 226 214 212 244 226 209 190 156 283 43 71 165 211 104 90 10m agl Spd(kt): 4 8 11 8 7 5 5 4 1 2 3 3 2 3 4 6hr Precip (in): 0.00 0.07 0.22 0.24 0.09 0.08 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.07 0.29 0.53 0.62 0.70 0.74 0.74 0.74 0.74 0.74 0.74 0.74 0.74 0.75 Sfc CAPE (J/kg): 224.4 77.0 26.1 153.6 116.8 107.7 109.0 29.0 19.7 0.0 0.0 0.0 2.5 0.1 0.0 Sfc CINH (J/kg): -0.3 0.0 -35.0 0.0 -0.1 0.0 0.0 -5.1 -5.1 0.0 0.0 -2.1 0.0 0.0 0.0 0-3km Hel(J/kg): 81.6 128.8 219.9 114.5 113.7 101.8 76.9 64.8 90.0 142.2 107.8 76.2 55.1 82.1 106.3 Precip H20 (in): 0.63 0.64 0.65 0.54 0.49 0.46 0.45 0.42 0.37 0.32 0.36 0.36 0.34 0.35 0.39 Lifted Index(C): 3.7 7.1 5.9 8.3 8.5 9.7 10.7 10.2 7.6 7.2 5.5 5.5 3.4 5.7 7.0 700mb VV(-ub/s): 4.0 1.9 6.7 6.3 4.1 3.1 -1.4 0.2 0.3 1.0 2.0 -0.3 -0.4 -1.8 -0.1 Thk1000-500mb(m)5421.4 5411.4 5414.0 5394.3 5374.9 5361.2 5358.7 5361.5 5369.8 5374.5 5363.5 5346.2 5332.2 5347.8 5362.3 Thk1000-850mb(m)1331.8 1326.5 1331.5 1323.4 1321.7 1315.9 1312.2 1312.5 1321.7 1322.8 1318.3 1313.9 1316.1 1315.3 1315.4 Thk850-700mb(m):1533.8 1531.3 1537.4 1526.3 1520.2 1515.8 1512.7 1515.0 1519.4 1522.8 1523.3 1520.2 1518.3 1523.2 1525.2 SWEAT Index: 74.5 195.7 142.0 103.9 103.5 168.2 84.6 70.7 61.0 63.2 57.6 60.8 79.2 64.6 64.9 Total Totals Idx 44.2 41.4 43.2 37.6 38.8 37.6 37.0 39.4 39.3 45.3 49.2 48.4 49.7 46.6 45.3 Frz Hgt(ft amsl) 5291 5140 5626 4650 4250 4003 3565 3778 4352 4553 4432 3933 4025 4099 4246 0WetBlbHgt(amsl) 5220 4936 5551 4373 4145 3769 3501 3358 3425 3770 3760 3442 2959 3399 3420 Equil Prs (mb): 627 674 632 652 649 669 680 716 714 989 989 990 991 992 993 Equil Hgt(amsl): 12674 10793 12346 11563 11688 10924 10493 9179 9223 26 26 26 26 26 26 Hail Size(in): 0.03 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: 23.8 25.5 27.4 26.5 28.4 24.2 20.2 21.9 29.5 31.1 29.7 25.8 31.0 27.1 30.4 Showalter Index: 6.7 8.3 6.9 10.8 10.5 11.3 11.8 10.4 10.4 7.2 5.1 6.0 5.4 6.8 7.4 Cap Strength(C): 0.0 0.0 0.9 -1.5 0.0 0.0 -1.0 -0.1 0.0 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 306 300 289 294 287 280 276 261 256 237 234 233 246 250 247 Storm Spd (kts): 15 23 28 24 23 21 18 15 14 16 16 15 14 14 15 2m HeatIndex(F): 52 49 48 48 49 45 44 45 49 43 38 45 46 42 37 2m WindChill(F): 52 49 48 48 49 45 44 45 49 43 36 45 46 42 34 1000mb GPH (m): 143 138 115 135 142 153 152 146 128 116 112 124 129 141 145 950mb GPH (m): 570 562 539 558 565 574 571 565 551 537 532 542 549 561 565 950mb Temp (C): 7.7 6.5 7.1 5.9 5.9 4.4 3.4 3.6 6.0 6.3 5.8 3.9 4.4 4.6 4.9 950mb Dewpt(C): 7.1 6.2 6.8 5.6 4.3 3.8 3.2 2.3 2.5 -1.3 0.3 0.8 1.7 1.4 0.9 950mb RH (%): 96 98 98 98 89 96 99 91 78 58 68 80 82 79 75 950mb Dir: 242 221 217 245 228 215 199 159 284 81 108 158 203 176 160 950mb Speed(kt): 8 18 26 17 13 12 12 5 0 7 8 5 3 6 7 900mb GPH (m): 1013 1003 983 998 1005 1011 1008 1001 990 978 971 980 987 999 1003 900mb Temp (C): 4.4 3.4 5.2 2.8 2.0 1.4 0.4 0.6 2.6 3.4 2.4 1.5 1.6 1.4 1.5 900mb Dewpt(C): 3.7 2.5 4.9 1.9 1.8 0.4 0.3 -0.4 -2.4 -2.3 -1.1 -0.6 -3.7 -1.2 -1.3 900mb RH (%): 95 93 98 94 99 93 99 92 70 66 78 86 68 83 82 900mb Dir: 257 242 239 272 234 229 207 184 112 102 150 194 212 195 194 900mb Speed(kt): 12 20 34 18 16 15 12 10 2 8 7 5 7 10 14 850mb GPH (m): 1475 1465 1447 1458 1463 1469 1464 1459 1449 1438 1431 1438 1445 1457 1461 850mb Temp (C): 0.9 0.7 1.7 -0.3 -1.2 -1.6 -2.1 -1.3 -0.9 -0.4 -0.5 -1.6 -1.4 -1.2 -0.8 850mb Dewpt(C): 0.6 -0.2 1.4 -1.5 -1.8 -2.6 -2.5 -3.7 -6.5 -3.1 -2.4 -3.6 -7.0 -6.6 -6.1 850mb RH (%): 98 94 98 91 95 93 97 84 66 82 87 86 66 66 68 850mb Dir: 257 249 255 272 250 236 226 205 169 132 160 179 223 205 205 850mb Speed(kt): 16 21 29 19 19 16 12 9 5 8 4 8 10 13 14 800mb GPH (m): 1960 1949 1933 1940 1944 1949 1944 1938 1930 1920 1912 1917 1925 1938 1942 800mb Temp (C): -2.3 -2.5 -1.4 -3.1 -4.2 -4.7 -5.0 -5.0 -4.5 -3.6 -3.5 -3.9 -4.5 -3.4 -3.3 800mb Dewpt(C): -2.5 -2.8 -1.7 -3.9 -4.7 -5.4 -5.3 -7.0 -10.5 -14.7 -14.2 -21.8 -9.5 -14.5 -14.3 800mb RH (%): 99 98 98 94 96 95 98 86 63 42 44 24 68 42 43 800mb Dir: 248 255 253 262 253 241 236 213 180 175 185 199 228 213 211 800mb Speed(kt): 18 21 31 23 23 19 13 7 4 10 9 10 12 12 14 750mb GPH (m): 2469 2458 2444 2448 2450 2453 2447 2442 2435 2426 2418 2423 2429 2444 2449 750mb Temp (C): -5.0 -5.5 -4.4 -6.2 -7.6 -8.5 -9.3 -8.3 -7.5 -6.5 -6.6 -7.2 -7.6 -6.6 -5.6 750mb Dewpt(C): -5.6 -5.8 -4.6 -6.8 -8.0 -9.0 -10.4 -12.1 -16.6 -28.9 -26.8 -23.5 -19.1 -20.2 -24.6 750mb RH (%): 95 98 98 95 97 96 92 74 48 15 19 26 40 33 21 750mb Dir: 250 270 253 257 252 247 247 230 214 193 201 205 228 216 220 750mb Speed(kt): 20 22 33 27 24 20 14 6 7 14 14 13 13 13 16 700mb GPH (m): 3009 2996 2984 2984 2984 2985 2977 2974 2969 2961 2954 2958 2963 2980 2986 700mb Temp (C): -7.4 -8.6 -8.2 -10.2 -10.5 -11.3 -11.7 -10.6 -10.1 -9.5 -9.6 -9.4 -10.4 -9.1 -9.4 700mb Dewpt(C): -8.7 -8.8 -8.3 -12.3 -20.5 -23.2 -24.1 -32.0 -32.2 -35.9 -31.3 -33.8 -26.6 -29.2 -18.7 700mb RH (%): 90 99 99 85 44 37 36 16 15 10 16 12 26 18 47 700mb Dir: 260 278 254 251 255 257 254 233 223 206 204 207 229 220 224 700mb Speed(kt): 21 29 34 30 28 24 18 12 15 18 21 18 15 16 18 650mb GPH (m): 3582 3568 3554 3553 3550 3550 3542 3541 3536 3530 3522 3526 3529 3549 3554 650mb Temp (C): -10.5 -11.1 -12.5 -11.9 -13.2 -13.7 -13.6 -12.9 -13.0 -12.2 -12.6 -13.1 -13.9 -12.4 -12.7 650mb Dewpt(C): -25.8 -12.3 -17.9 -34.6 -41.7 -41.8 -42.6 -42.4 -39.4 -44.7 -44.3 -39.5 -38.9 -36.6 -20.3 650mb RH (%): 28 91 64 14 8 8 7 7 9 5 6 9 11 12 53 650mb Dir: 268 276 258 257 260 254 253 232 228 214 209 208 225 220 226 650mb Speed(kt): 24 36 37 39 35 31 26 22 23 27 26 25 21 21 24 600mb GPH (m): 4195 4179 4162 4162 4156 4155 4148 4147 4142 4137 4128 4130 4130 4154 4161 600mb Temp (C): -12.3 -12.5 -14.5 -14.2 -15.9 -16.1 -15.6 -15.2 -15.6 -15.5 -15.9 -17.4 -18.7 -17.7 -16.0 600mb Dewpt(C): -51.8 -26.8 -47.5 -46.6 -45.9 -48.1 -43.4 -43.7 -46.4 -40.0 -37.8 -35.6 -37.0 -30.3 -24.8 600mb RH (%): 2 30 5 5 6 5 8 7 6 11 14 20 19 33 47 600mb Dir: 282 280 265 263 262 254 254 237 228 216 211 205 222 223 224 600mb Speed(kt): 26 46 45 48 42 40 36 35 34 36 36 33 25 27 29 550mb GPH (m): 4855 4839 4818 4818 4809 4807 4802 4801 4794 4789 4778 4777 4772 4798 4811 550mb Temp (C): -15.9 -16.0 -16.5 -16.6 -17.8 -18.1 -17.2 -17.7 -18.6 -19.0 -20.2 -21.8 -23.4 -22.9 -20.4 550mb Dewpt(C): -36.7 -33.5 -55.8 -46.4 -48.3 -50.7 -49.2 -46.8 -38.5 -37.1 -27.3 -28.0 -40.1 -32.8 -28.2 550mb RH (%): 16 21 2 6 6 4 5 7 17 20 54 58 21 41 50 550mb Dir: 306 279 273 270 263 256 254 238 231 217 213 206 215 226 224 550mb Speed(kt): 29 52 53 55 54 53 51 48 47 45 44 42 34 32 34 500mb GPH (m): 5565 5550 5529 5529 5517 5514 5511 5508 5498 5490 5476 5470 5461 5489 5507 500mb Temp (C): -21.4 -20.5 -20.1 -19.7 -20.9 -20.9 -20.8 -22.2 -23.4 -24.4 -26.0 -26.8 -29.1 -27.2 -26.1 500mb Dewpt(C): -36.3 -39.3 -44.2 -44.0 -48.0 -48.5 -42.0 -35.4 -34.0 -32.2 -29.0 -29.2 -31.3 -33.5 -34.7 500mb RH (%): 26 18 10 10 7 7 14 30 38 49 76 81 81 56 45 500mb Dir: 309 285 282 276 268 259 254 240 229 219 212 205 207 231 225 500mb Speed(kt): 35 54 67 66 65 62 61 53 52 48 45 45 45 39 38 450mb GPH (m): 6332 6321 6302 6302 6286 6285 6278 6272 6259 6249 6231 6222 6206 6239 6260 450mb Temp (C): -27.3 -25.5 -24.7 -25.2 -26.5 -26.4 -27.5 -28.5 -28.7 -29.5 -30.3 -31.4 -33.6 -32.8 -32.1 450mb Dewpt(C): -35.9 -43.6 -48.1 -48.4 -45.9 -45.9 -41.5 -40.7 -42.1 -39.4 -36.1 -36.0 -48.5 -40.7 -41.6 450mb RH (%): 45 18 10 10 15 15 27 31 28 39 58 65 22 47 40 450mb Dir: 305 293 283 270 264 259 248 237 229 219 211 204 203 234 224 450mb Speed(kt): 43 59 73 66 68 65 62 55 53 51 51 52 56 44 42 400mb GPH (m): 7170 7163 7148 7145 7125 7123 7112 7103 7092 7079 7060 7049 7024 7056 7079 400mb Temp (C): -32.8 -31.9 -30.9 -31.8 -32.9 -33.5 -34.6 -34.7 -34.3 -35.1 -34.8 -35.0 -37.2 -39.5 -38.9 400mb Dewpt(C): -39.8 -50.5 -50.3 -43.0 -53.1 -50.4 -46.3 -42.4 -39.9 -43.1 -48.8 -44.9 -56.4 -49.4 -48.5 400mb RH (%): 51 15 14 34 13 18 31 47 58 45 24 38 13 36 37 400mb Dir: 303 295 281 270 264 256 247 236 228 218 212 204 203 239 224 400mb Speed(kt): 42 66 75 66 65 67 65 62 66 61 62 68 73 49 47 350mb GPH (m): 8095 8092 8080 8074 8049 8045 8029 8023 8012 7997 7981 7969 7939 7954 7980 350mb Temp (C): -39.5 -38.5 -37.6 -38.5 -40.0 -40.6 -41.7 -41.0 -40.5 -40.2 -39.8 -40.1 -40.9 -45.9 -45.3 350mb Dewpt(C): -50.1 -59.4 -50.2 -48.9 -49.8 -50.9 -47.8 -44.4 -45.8 -58.7 -52.1 -49.9 -64.6 -54.9 -56.0 350mb RH (%): 33 10 27 34 36 34 53 70 58 13 28 36 7 37 31 350mb Dir: 315 296 280 265 262 256 244 235 225 217 214 206 204 235 224 350mb Speed(kt): 53 70 77 63 63 67 67 79 81 68 71 79 91 57 53 300mb GPH (m): 9132 9135 9127 9116 9085 9078 9060 9054 9047 9033 9020 9005 8973 8968 8995 300mb Temp (C): -46.9 -45.5 -45.1 -46.1 -46.8 -47.6 -47.6 -48.0 -46.9 -47.3 -46.5 -47.3 -47.0 -49.9 -50.6 300mb Dewpt(C): -58.4 -60.9 -59.2 -58.5 -56.7 -55.6 -57.6 -55.4 -58.7 -61.8 -51.5 -52.9 -62.0 -64.1 -61.7 300mb RH (%): 28 18 21 25 34 42 33 44 27 19 58 54 18 19 28 300mb Dir: 322 295 274 263 261 255 244 233 224 217 212 207 205 225 225 300mb Speed(kt): 63 77 77 59 64 65 79 84 79 74 74 80 93 65 58 250mb GPH (m): 10319 10329 10321 10305 10275 10265 10246 10240 10236 10220 10207 10191 10166 10158 10176 250mb Temp (C): -53.2 -53.2 -53.5 -53.7 -52.6 -53.0 -53.3 -53.5 -53.7 -53.3 -54.0 -53.2 -50.7 -49.3 -51.2 250mb Dewpt(C): -64.6 -66.3 -67.0 -66.6 -66.1 -65.7 -65.0 -66.9 -68.5 -66.0 -61.2 -64.5 -69.3 -72.9 -70.5 250mb RH (%): 26 21 20 21 20 22 25 20 17 22 43 26 11 6 10 250mb Dir: 310 297 272 261 260 252 247 233 226 220 210 209 207 222 226 250mb Speed(kt): 60 79 76 56 67 66 79 75 74 75 71 75 78 58 53 200mb GPH (m): 11740 11743 11730 11720 11699 11689 11669 11665 11659 11647 11631 11626 11620 11625 11638 200mb Temp (C): -58.8 -58.7 -60.0 -58.2 -57.1 -55.9 -56.0 -55.1 -54.6 -54.7 -53.9 -52.3 -50.2 -48.6 -48.7 200mb Dewpt(C): -71.1 -71.4 -73.6 -73.0 -72.9 -72.9 -73.7 -73.7 -73.5 -75.1 -74.6 -75.2 -81.4 -80.0 -81.1 200mb RH (%): 21 20 18 16 14 12 11 10 10 8 8 6 2 2 2 200mb Dir: 293 286 273 257 261 255 247 244 218 231 216 213 217 219 229 200mb Speed(kt): 46 62 66 50 63 61 59 49 54 55 49 52 47 38 35 150mb GPH (m): 13568 13559 13546 13543 13530 13524 13508 13503 13505 13496 13484 13489 13492 13504 13516 150mb Temp (C): -54.6 -55.7 -55.9 -55.8 -54.8 -54.9 -54.9 -54.5 -53.9 -52.2 -52.4 -51.5 -51.4 -51.0 -51.1 150mb Dewpt(C): -84.4 -85.2 -85.1 -82.5 -84.4 -84.5 -82.0 -84.3 -83.9 -82.1 -83.1 -86.7 -86.6 -86.3 -86.4 150mb RH (%): 2 2 2 3 2 2 3 2 2 2 2 1 1 1 1 150mb Dir: 278 281 282 264 261 257 249 239 239 230 223 210 222 222 251 150mb Speed(kt): 35 36 39 32 39 34 40 35 34 29 23 29 26 20 23 100mb GPH (m): 16155 16146 16120 16124 16112 16117 16095 16099 16098 16101 16088 16102 16109 16125 16125 100mb Temp (C): -56.4 -54.8 -55.3 -54.8 -54.9 -54.3 -55.9 -54.6 -55.2 -54.2 -54.8 -54.3 -53.8 -53.9 -55.0 100mb Dewpt(C): -90.1 -89.0 -84.9 -89.0 -84.6 -88.6 -89.8 -88.8 -89.3 -88.6 -89.0 -88.6 -83.8 -88.4 -84.7 100mb RH (%): 1 1 2 1 2 1 1 1 1 1 1 1 2 1 2 100mb Dir: 277 282 270 263 253 264 249 250 231 231 226 203 218 234 241 100mb Speed(kt): 21 20 24 22 18 16 14 15 15 9 9 10 9 10 10