Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z AUG 26, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 991.3 993.7 993.5 994.3 992.9 992.8 993.2 994.6 993.7 994.6 994.4 995.1 993.9 995.8 997.1 Mean SLP (mb): 1014.5 1017.7 1017.6 1018.4 1016.6 1016.7 1017.3 1018.7 1017.5 1018.7 1018.9 1019.3 1017.8 1020.2 1021.8 2m agl Tmp (F): 84.6 64.5 60.2 61.7 70.4 63.2 60.7 60.9 69.7 59.8 52.8 62.7 68.0 54.1 50.9 2m agl Dewpt(F): 59.6 59.3 58.0 58.2 56.7 55.3 54.5 52.9 51.7 52.3 50.9 52.6 51.8 49.4 49.8 2m agl RH (%): 41 83 92 88 61 75 80 74 52 76 93 69 55 84 96 10m agl Dir: 235 279 265 220 267 8 192 203 283 339 49 295 306 306 257 10m agl Spd(kt): 5 3 1 3 3 1 3 4 5 2 1 5 9 5 2 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 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 Sfc CAPE (J/kg): 113.8 1.4 2.2 18.8 1.4 0.0 0.1 15.1 4.8 0.2 0.0 3.3 11.0 0.2 15.2 Sfc CINH (J/kg):-135.9 0.0 0.0 -0.1 0.0 0.0 -0.3 -4.4 0.0 -0.6 0.0 -0.1 -0.1 -0.2 -0.4 0-3km Hel(J/kg): 61.8 70.1 21.0 61.0 110.7 133.8 79.5 91.4 56.9 55.9 35.9 30.4 53.1 76.5 62.6 Precip H20 (in): 0.69 0.85 0.94 0.93 0.82 0.87 0.87 0.69 0.76 0.79 0.74 0.73 0.68 0.60 0.62 Lifted Index(C): 0.7 2.7 5.8 5.7 4.7 3.9 5.6 7.3 7.1 8.8 9.7 9.1 7.9 11.0 13.4 700mb VV(-ub/s): -0.8 -0.4 0.5 0.4 0.7 0.1 0.9 0.8 -1.1 -1.2 -0.7 -2.2 0.2 -1.1 0.2 Thk1000-500mb(m)5707.0 5688.8 5662.7 5649.6 5656.0 5651.3 5618.1 5586.5 5608.2 5602.7 5591.6 5588.4 5609.3 5586.2 5536.3 Thk1000-850mb(m)1409.6 1383.2 1370.8 1367.3 1377.6 1371.8 1360.1 1354.0 1368.4 1361.1 1355.1 1353.8 1364.5 1348.6 1334.8 Thk850-700mb(m):1621.4 1625.7 1622.8 1614.1 1607.9 1604.8 1594.0 1583.5 1587.0 1589.6 1586.1 1587.8 1585.7 1580.1 1563.3 SWEAT Index: 61.6 51.7 55.2 97.4 95.3 130.0 143.6 137.0 74.9 90.1 90.9 102.7 80.0 70.0 87.3 Total Totals Idx 35.9 33.7 33.9 38.9 35.8 37.9 38.6 36.6 32.1 33.4 32.5 34.5 31.4 29.9 28.1 Frz Hgt(ft amsl) 14108 14007 13261 13545 13701 13980 13269 12454 11990 11998 11680 11738 12626 12845 10775 0WetBlbHgt(amsl) 9154 10814 11687 10387 9766 8883 8081 6429 8282 8651 7909 8171 7667 7013 6033 Equil Prs (mb): 223 994 993 994 993 993 993 835 994 995 994 842 994 996 880 Equil Hgt(amsl): 37649 26 26 26 26 26 26 5435 26 26 26 5220 26 26 4029 Hail Size(in): 0.34 0.23 0.00 0.00 0.09 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 60.6 50.6 49.1 27.3 50.1 42.0 30.5 34.0 36.8 32.0 42.3 27.8 30.9 34.2 25.4 Showalter Index: 7.6 9.0 8.9 6.2 8.1 6.9 6.5 8.4 10.9 9.8 10.4 9.3 11.2 12.5 14.2 Cap Strength(C): 0.0 -999.9 -999.9 4.8 -999.9 -999.9 -999.9 3.0 3.3 -999.9 -999.9 3.3 -999.9 -999.9 5.8 Storm Dir (deg): 233 231 220 230 245 243 243 253 281 278 286 299 315 309 317 Storm Spd (kts): 15 17 13 15 18 21 21 19 13 10 10 10 13 15 20 2m HeatIndex(F): 84 65 60 62 70 63 61 61 70 60 53 63 68 54 51 2m WindChill(F): 85 65 60 62 70 63 61 61 70 60 53 63 68 54 51 1000mb GPH (m): 127 150 148 155 143 142 146 158 149 158 157 162 151 168 180 950mb GPH (m): 579 588 582 589 583 580 579 590 588 592 588 594 589 596 605 950mb Temp (C): 24.0 15.5 13.2 12.9 16.2 15.7 12.6 11.4 15.7 13.6 12.7 11.8 14.8 10.3 8.1 950mb Dewpt(C): 12.5 14.7 13.0 12.8 12.2 12.4 11.7 10.4 9.3 9.7 8.6 8.4 9.7 7.9 7.5 950mb RH (%): 47 95 99 99 76 80 94 93 65 77 76 79 71 84 96 950mb Dir: 226 319 294 218 267 306 193 200 282 342 320 296 309 321 327 950mb Speed(kt): 6 5 3 4 3 2 7 5 6 7 6 6 12 14 10 900mb GPH (m): 1048 1049 1037 1042 1040 1036 1032 1040 1044 1045 1039 1045 1043 1046 1049 900mb Temp (C): 19.5 16.3 12.9 11.5 13.3 12.0 10.1 9.5 11.2 10.4 9.6 9.1 10.2 9.1 5.3 900mb Dewpt(C): 10.8 10.8 10.9 9.6 8.2 10.8 10.0 8.0 8.5 7.3 6.1 5.3 8.4 5.2 4.2 900mb RH (%): 56 69 87 88 71 92 99 90 83 81 78 77 88 77 92 900mb Dir: 225 192 247 217 234 214 210 228 282 295 304 329 314 314 331 900mb Speed(kt): 6 7 3 6 3 5 6 7 6 5 8 9 12 10 16 850mb GPH (m): 1537 1533 1519 1523 1520 1514 1506 1512 1518 1519 1512 1516 1516 1517 1515 850mb Temp (C): 17.5 15.1 15.5 13.7 12.6 10.9 7.8 5.5 7.6 8.1 7.6 6.4 7.1 6.3 3.4 850mb Dewpt(C): -2.0 -0.9 -1.7 2.8 1.9 4.2 6.3 4.9 1.9 3.8 3.4 4.7 2.4 0.7 0.2 850mb RH (%): 26 33 30 47 47 63 90 96 67 74 75 88 72 67 79 850mb Dir: 211 209 217 217 221 221 238 227 289 293 303 300 323 297 313 850mb Speed(kt): 15 11 12 13 16 15 10 12 7 8 7 7 11 13 18 800mb GPH (m): 2050 2045 2031 2031 2027 2017 2005 2009 2017 2018 2010 2015 2014 2012 2003 800mb Temp (C): 14.0 14.0 14.0 12.3 10.5 9.3 7.0 7.0 6.8 6.4 6.1 7.6 7.2 4.0 0.6 800mb Dewpt(C): -4.2 -7.1 -4.9 -0.8 0.7 -1.3 0.0 -13.2 -0.4 1.1 0.0 -4.3 -2.9 -2.2 -2.4 800mb RH (%): 28 22 26 40 50 47 61 22 60 68 65 42 48 64 80 800mb Dir: 200 221 204 205 217 220 226 230 254 276 284 282 285 287 292 800mb Speed(kt): 19 22 19 18 24 27 22 18 12 7 6 9 13 16 19 750mb GPH (m): 2590 2586 2571 2569 2562 2551 2535 2536 2544 2546 2538 2544 2542 2536 2522 750mb Temp (C): 10.4 11.9 10.6 9.3 8.3 8.6 7.2 4.7 4.6 5.7 5.5 5.3 4.8 4.1 2.9 750mb Dewpt(C): -9.9 -9.9 -1.7 -1.4 -1.3 -10.6 -12.7 -19.5 -5.5 -5.9 -10.4 -6.9 -11.4 -23.3 -33.9 750mb RH (%): 23 20 42 47 51 24 23 15 48 43 31 41 30 12 5 750mb Dir: 191 212 183 196 209 213 217 234 245 265 279 269 269 271 295 750mb Speed(kt): 25 32 20 20 30 35 34 21 17 10 7 9 16 19 25 700mb GPH (m): 3158 3159 3142 3137 3128 3119 3100 3095 3105 3108 3098 3104 3102 3097 3078 700mb Temp (C): 6.5 8.5 6.7 5.4 5.6 6.7 5.7 2.7 3.2 3.4 2.1 2.4 2.8 4.1 0.8 700mb Dewpt(C): -24.7 -7.6 -1.0 -5.3 -10.7 -13.7 -18.0 -26.7 -11.9 -10.8 -15.0 -14.5 -13.9 -44.0 -26.9 700mb RH (%): 9 31 57 46 30 22 16 10 32 34 27 27 28 2 11 700mb Dir: 190 195 171 189 209 211 213 226 249 244 264 263 265 278 291 700mb Speed(kt): 25 34 22 23 34 39 41 29 19 13 9 10 18 22 31 650mb GPH (m): 3762 3766 3745 3738 3730 3723 3702 3691 3701 3704 3692 3698 3697 3695 3670 650mb Temp (C): 3.6 3.4 1.8 2.2 2.7 3.2 2.0 0.6 -0.3 -0.3 -0.6 -0.6 0.4 1.1 -1.5 650mb Dewpt(C): -32.1 -14.4 -4.0 -17.3 -18.9 -17.7 -12.7 -35.2 -18.2 -16.4 -22.3 -21.5 -23.1 -37.3 -32.4 650mb RH (%): 5 26 65 22 19 20 32 5 25 29 18 19 15 4 8 650mb Dir: 197 189 179 193 211 210 211 222 253 235 251 264 268 273 282 650mb Speed(kt): 25 38 26 26 35 42 44 39 21 16 15 13 20 24 36 600mb GPH (m): 4405 4408 4385 4379 4372 4366 4342 4328 4337 4340 4327 4333 4336 4333 4302 600mb Temp (C): -0.7 -0.9 -2.0 -1.4 -1.2 -0.6 -1.8 -3.0 -2.5 -3.1 -3.2 -3.5 -1.4 -2.2 -4.7 600mb Dewpt(C): -27.8 -26.3 -19.8 -18.5 -22.4 -20.9 -19.9 -30.3 -29.9 -28.5 -27.8 -24.0 -48.7 -33.0 -25.9 600mb RH (%): 11 13 24 26 18 20 24 10 10 12 13 19 1 8 18 600mb Dir: 201 192 185 198 212 210 212 223 245 229 244 263 277 270 278 600mb Speed(kt): 28 35 29 31 37 45 45 45 28 21 23 19 21 28 41 550mb GPH (m): 5093 5097 5071 5067 5060 5055 5028 5011 5021 5023 5011 5015 5022 5018 4982 550mb Temp (C): -4.8 -4.6 -5.5 -5.6 -5.6 -5.2 -6.3 -7.7 -6.8 -6.7 -6.7 -7.4 -5.9 -6.7 -7.9 550mb Dewpt(C): -29.3 -30.0 -28.1 -21.9 -27.6 -22.2 -20.7 -18.0 -36.9 -38.7 -36.1 -28.4 -34.6 -18.9 -26.0 550mb RH (%): 13 12 15 27 16 25 31 44 7 6 8 17 9 38 22 550mb Dir: 205 194 190 200 215 210 211 222 243 231 241 258 282 268 274 550mb Speed(kt): 31 31 31 36 39 48 48 51 33 24 28 27 25 32 44 500mb GPH (m): 5834 5839 5811 5805 5799 5793 5764 5744 5758 5760 5748 5751 5761 5754 5716 500mb Temp (C): -10.2 -9.7 -10.0 -11.2 -10.7 -11.4 -12.3 -13.1 -11.3 -10.8 -10.8 -11.7 -11.0 -11.4 -12.2 500mb Dewpt(C): -29.9 -30.0 -28.7 -25.0 -35.0 -22.4 -23.4 -21.7 -38.2 -43.4 -27.3 -25.2 -31.9 -32.1 -25.0 500mb RH (%): 19 18 21 32 12 40 40 49 9 5 25 32 17 17 34 500mb Dir: 209 198 193 200 217 211 209 222 244 235 237 253 283 268 276 500mb Speed(kt): 32 30 31 38 41 50 48 55 38 29 35 33 29 36 49 450mb GPH (m): 6635 6641 6612 6605 6598 6591 6559 6538 6557 6561 6547 6548 6559 6553 6512 450mb Temp (C): -16.8 -16.8 -17.0 -17.1 -16.7 -17.8 -18.4 -18.9 -16.3 -16.7 -17.1 -17.3 -17.4 -17.3 -18.0 450mb Dewpt(C): -33.2 -27.4 -30.8 -29.9 -39.0 -28.9 -31.9 -27.5 -41.2 -28.8 -24.7 -26.3 -40.6 -33.0 -29.0 450mb RH (%): 24 40 30 33 13 38 30 47 10 35 52 46 12 25 38 450mb Dir: 214 204 194 200 217 212 211 221 243 239 237 247 287 268 274 450mb Speed(kt): 31 32 33 39 42 48 46 59 41 33 38 38 30 38 53 400mb GPH (m): 7506 7513 7483 7475 7470 7460 7426 7403 7432 7434 7418 7418 7427 7423 7381 400mb Temp (C): -23.5 -23.6 -23.5 -24.3 -23.8 -24.1 -24.9 -25.5 -22.5 -22.8 -24.2 -24.4 -24.9 -24.0 -24.4 400mb Dewpt(C): -43.4 -39.7 -39.6 -36.9 -40.8 -39.6 -38.8 -39.1 -35.0 -32.3 -29.0 -34.1 -43.0 -41.2 -31.2 400mb RH (%): 15 22 22 31 20 24 27 28 32 43 65 41 18 20 54 400mb Dir: 220 203 200 199 217 213 213 222 244 236 237 245 281 268 272 400mb Speed(kt): 29 28 31 39 42 48 48 62 43 38 42 41 29 41 58 350mb GPH (m): 8466 8473 8444 8434 8430 8419 8381 8358 8395 8398 8377 8375 8384 8379 8335 350mb Temp (C): -31.3 -31.2 -30.6 -30.8 -30.9 -31.2 -32.0 -31.7 -30.9 -30.4 -31.2 -31.5 -31.7 -32.3 -33.1 350mb Dewpt(C): -52.2 -54.5 -47.0 -49.7 -49.5 -46.6 -47.1 -50.9 -37.8 -36.5 -39.8 -47.7 -58.9 -41.6 -38.9 350mb RH (%): 12 9 20 15 15 22 22 14 52 56 44 20 6 41 57 350mb Dir: 218 197 205 202 217 213 211 226 243 237 234 241 261 263 268 350mb Speed(kt): 33 20 31 40 45 54 59 62 49 43 49 47 34 36 56 300mb GPH (m): 9539 9545 9520 9510 9505 9493 9452 9433 9469 9475 9451 9450 9456 9446 9398 300mb Temp (C): -39.7 -39.9 -38.8 -38.7 -39.2 -39.6 -40.3 -38.7 -39.4 -38.9 -39.1 -39.2 -39.2 -41.5 -42.3 300mb Dewpt(C): -51.5 -55.5 -51.6 -53.9 -54.6 -44.9 -48.5 -51.6 -44.2 -46.8 -47.9 -53.5 -55.0 -48.6 -50.5 300mb RH (%): 29 19 26 20 20 58 43 26 62 45 41 22 19 47 42 300mb Dir: 216 209 209 206 216 213 211 237 240 237 233 236 243 271 287 300mb Speed(kt): 37 28 36 44 49 61 67 56 55 49 53 56 51 35 53 250mb GPH (m): 10758 10764 10744 10733 10727 10712 10668 10658 10691 10700 10674 10673 10685 10656 10608 250mb Temp (C): -49.6 -49.1 -49.1 -49.1 -49.1 -49.8 -49.6 -48.0 -48.3 -47.8 -48.1 -47.7 -46.7 -50.0 -49.5 250mb Dewpt(C): -58.6 -59.9 -56.4 -54.7 -55.8 -53.3 -54.0 -58.1 -55.9 -58.8 -57.6 -59.4 -62.2 -59.4 -61.4 250mb RH (%): 36 29 44 54 47 68 61 32 43 29 34 27 17 34 26 250mb Dir: 214 221 211 214 216 214 214 235 240 235 234 233 229 244 274 250mb Speed(kt): 43 41 40 52 54 61 69 56 58 48 52 62 65 43 50 200mb GPH (m): 12185 12194 12173 12171 12169 12152 12111 12105 12133 12143 12120 12122 12134 12099 12057 200mb Temp (C): -58.3 -58.3 -57.4 -55.0 -53.4 -53.1 -52.8 -52.6 -55.0 -55.0 -54.1 -53.7 -54.4 -53.2 -50.6 200mb Dewpt(C): -65.1 -65.1 -64.8 -69.9 -70.9 -69.5 -71.0 -72.4 -67.9 -67.9 -69.2 -71.0 -69.5 -69.1 -76.0 200mb RH (%): 43 44 41 16 12 14 11 9 21 21 16 12 16 15 4 200mb Dir: 219 220 218 220 218 219 220 234 240 237 235 234 231 241 268 200mb Speed(kt): 52 44 49 55 59 63 69 58 58 51 51 60 64 63 46 150mb GPH (m): 14003 14012 13998 14007 14014 14005 13972 13971 13983 13985 13963 13968 13971 13955 13927 150mb Temp (C): -55.6 -56.5 -55.7 -54.9 -54.3 -53.2 -52.1 -51.6 -52.0 -53.4 -53.9 -53.0 -54.0 -52.3 -50.6 150mb Dewpt(C): -85.3 -81.1 -82.6 -84.7 -84.2 -83.3 -87.3 -86.5 -87.0 -83.4 -83.8 -83.0 -83.5 -82.7 -85.7 150mb RH (%): 2 4 3 2 2 2 1 1 1 2 2 2 2 2 1 150mb Dir: 219 223 228 221 224 222 228 234 235 240 239 236 243 247 262 150mb Speed(kt): 44 46 50 50 54 56 55 50 48 47 50 47 55 43 38 100mb GPH (m): 16604 16611 16593 16595 16614 16610 16580 16582 16592 16585 16561 16566 16571 16568 16545 100mb Temp (C): -53.3 -53.2 -53.5 -54.3 -53.1 -54.0 -54.0 -54.0 -54.1 -54.4 -53.6 -54.3 -54.2 -53.5 -53.8 100mb Dewpt(C): -87.9 -87.8 -88.1 -88.6 -87.8 -88.4 -83.9 -88.4 -84.0 -88.7 -88.1 -88.6 -88.6 -88.1 -88.3 100mb RH (%): 1 1 1 1 1 1 2 1 2 1 1 1 1 1 1 100mb Dir: 220 216 223 219 227 227 225 219 234 238 233 235 238 250 248 100mb Speed(kt): 26 22 24 31 33 32 28 33 37 29 24 31 28 23 23