Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z AUG 25, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 987.4 989.6 990.4 991.7 991.2 993.4 993.1 994.6 993.8 994.1 994.0 995.5 994.6 995.5 995.7 Mean SLP (mb): 1010.2 1012.8 1014.2 1015.3 1014.5 1017.2 1017.3 1018.9 1017.7 1018.1 1018.2 1019.6 1018.5 1019.7 1020.1 2m agl Tmp (F): 90.9 77.9 67.6 72.9 81.9 67.5 60.4 58.8 67.1 62.4 60.3 60.2 68.3 59.1 55.4 2m agl Dewpt(F): 57.3 51.9 58.5 59.9 58.2 57.6 56.2 55.4 56.0 55.1 55.0 56.3 51.6 50.4 51.0 2m agl RH (%): 30 39 72 63 43 70 86 88 66 77 82 86 54 72 85 10m agl Dir: 82 85 140 219 233 242 208 213 252 15 211 227 276 331 345 10m agl Spd(kt): 5 4 2 5 6 4 2 3 3 2 2 4 5 3 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 0.01 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.01 0.01 0.01 Sfc CAPE (J/kg): 478.9 146.7 0.0 5.0 0.0 0.6 0.9 9.2 1.0 1.8 20.8 83.8 19.5 0.0 0.0 Sfc CINH (J/kg): -96.7 -15.4 -0.4 0.0 -52.3 0.0 -0.5 0.0 0.0 -11.6 -4.4 0.0 0.0 0.0 -5.7 0-3km Hel(J/kg): 111.6 96.5 78.5 75.3 76.2 40.0 36.2 69.8 116.7 99.2 78.0 63.9 54.3 77.2 60.1 Precip H20 (in): 0.80 0.76 1.05 1.03 0.85 0.78 0.89 0.82 0.83 0.94 0.79 0.69 0.79 0.77 0.69 Lifted Index(C): -1.4 -0.8 -0.3 2.5 1.5 4.2 6.1 7.5 6.0 5.3 5.9 5.1 7.3 8.9 11.3 700mb VV(-ub/s): 1.6 0.0 0.7 1.3 0.3 -1.7 0.9 0.5 -0.1 0.3 0.4 -0.7 -0.2 -0.7 -0.7 Thk1000-500mb(m)5738.0 5727.3 5702.8 5698.6 5709.7 5690.3 5669.1 5649.8 5657.0 5642.1 5608.3 5577.5 5601.8 5594.1 5595.6 Thk1000-850mb(m)1428.7 1420.7 1400.8 1394.1 1406.1 1385.5 1373.1 1365.0 1372.3 1365.4 1357.6 1352.6 1365.3 1358.2 1350.3 Thk850-700mb(m):1633.6 1633.8 1634.1 1631.3 1623.1 1624.8 1624.2 1614.8 1609.3 1602.6 1589.4 1581.0 1584.7 1586.5 1585.1 SWEAT Index: 98.5 97.6 102.9 107.5 114.0 50.9 55.7 75.0 131.3 145.2 132.9 92.3 105.8 130.7 105.2 Total Totals Idx 47.4 47.7 46.8 43.7 41.0 32.7 34.2 36.8 37.7 37.6 36.8 35.9 35.1 35.1 30.8 Frz Hgt(ft amsl) 14052 14192 13349 13881 14362 14078 13516 13677 14002 14209 13179 11975 12184 11945 12051 0WetBlbHgt(amsl) 10030 10187 11485 11460 9670 10285 11470 9849 10076 10658 7589 7006 8233 8113 7747 Equil Prs (mb): 199 990 990 325 249 993 993 995 994 994 830 803 794 996 996 Equil Hgt(amsl): 40044 26 26 29474 35431 26 26 26 26 26 5600 6508 6835 26 26 Hail Size(in): 0.18 0.09 0.00 0.00 0.36 0.45 0.00 0.00 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 63.7 58.1 52.7 49.9 58.5 51.6 50.3 48.9 50.9 25.6 29.4 27.5 35.2 30.1 26.6 Showalter Index: 0.9 0.8 1.2 3.0 4.4 9.6 8.7 7.4 6.9 7.1 7.9 9.3 9.0 8.7 11.3 Cap Strength(C): 0.0 -999.9 -999.9 0.0 0.0 -999.9 8.3 6.7 -999.9 -999.9 4.9 3.4 3.7 -999.9 -999.9 Storm Dir (deg): 220 217 212 209 234 229 221 231 244 242 250 263 287 289 306 Storm Spd (kts): 9 10 10 12 15 17 14 16 20 21 19 16 13 14 11 2m HeatIndex(F): 90 78 68 73 82 68 60 59 67 62 60 60 68 59 55 2m WindChill(F): 91 78 68 73 82 68 60 59 67 62 60 60 68 59 55 1000mb GPH (m): 91 112 121 132 127 147 146 159 151 153 153 165 157 166 168 950mb GPH (m): 548 564 563 573 577 587 579 589 588 589 586 598 595 599 598 950mb Temp (C): 28.3 26.5 19.6 17.6 22.9 16.7 12.4 10.9 14.4 14.6 12.1 11.7 15.0 13.1 11.3 950mb Dewpt(C): 11.5 10.6 14.3 13.8 12.8 13.9 12.0 10.9 12.0 12.2 11.8 11.4 9.2 8.6 9.0 950mb RH (%): 34 35 71 78 51 83 97 100 85 85 98 99 67 74 86 950mb Dir: 92 113 190 215 233 240 170 201 247 303 228 224 275 335 328 950mb Speed(kt): 7 11 7 5 6 7 4 5 3 2 4 6 6 10 6 900mb GPH (m): 1023 1038 1030 1036 1044 1048 1034 1042 1043 1044 1038 1048 1050 1051 1048 900mb Temp (C): 24.4 23.1 20.5 18.6 18.7 15.7 14.6 13.4 13.2 10.7 9.8 8.4 10.6 9.9 8.9 900mb Dewpt(C): 7.4 10.0 10.8 9.7 11.1 12.0 8.0 8.1 6.9 10.5 9.6 7.7 8.2 7.7 7.4 900mb RH (%): 32 42 53 55 60 78 64 70 65 99 98 95 85 86 90 900mb Dir: 90 156 143 170 230 197 224 213 236 241 222 233 275 306 267 900mb Speed(kt): 10 10 6 6 6 7 5 8 7 6 6 9 5 7 6 850mb GPH (m): 1519 1533 1522 1526 1533 1532 1519 1524 1523 1519 1511 1518 1523 1524 1518 850mb Temp (C): 20.2 20.1 19.1 17.7 16.7 15.7 16.1 13.8 11.7 8.1 6.7 5.5 6.9 6.6 5.3 850mb Dewpt(C): 5.4 5.2 5.3 5.0 4.7 -2.3 -2.4 0.9 4.0 5.8 5.5 2.5 4.5 5.7 4.9 850mb RH (%): 37 37 39 42 44 28 27 40 59 85 92 81 84 94 97 850mb Dir: 151 155 137 150 213 215 215 216 223 236 243 237 288 269 280 850mb Speed(kt): 8 9 9 9 12 10 13 13 17 14 11 9 8 9 10 800mb GPH (m): 2037 2051 2040 2041 2046 2044 2032 2033 2029 2020 2007 2012 2018 2021 2014 800mb Temp (C): 15.7 16.6 16.2 15.3 13.7 13.8 14.4 12.5 11.0 9.3 5.7 5.2 4.9 6.1 6.9 800mb Dewpt(C): 1.7 -3.0 4.7 3.3 4.6 -7.5 -4.1 -0.8 -5.8 -2.1 -0.6 -3.8 0.3 -1.3 -4.7 800mb RH (%): 38 25 45 44 53 22 27 39 30 44 63 52 72 59 43 800mb Dir: 182 185 147 158 205 220 197 204 213 221 238 250 280 278 297 800mb Speed(kt): 11 12 11 12 16 20 19 20 26 27 20 13 11 13 13 750mb GPH (m): 2581 2595 2584 2585 2587 2585 2572 2571 2564 2553 2536 2539 2546 2550 2543 750mb Temp (C): 12.3 11.8 12.3 11.8 10.3 11.8 10.6 9.2 8.7 8.7 6.7 5.6 6.2 5.7 5.3 750mb Dewpt(C): -9.7 -3.0 -4.6 1.2 -2.8 -10.7 0.3 2.0 -1.1 -10.5 -20.0 -31.1 -9.0 -8.3 -9.2 750mb RH (%): 20 35 30 48 39 19 48 60 50 24 13 5 32 35 34 750mb Dir: 203 198 168 165 195 209 187 193 209 214 229 239 253 272 288 750mb Speed(kt): 16 12 13 15 22 33 21 24 33 36 28 19 17 16 13 700mb GPH (m): 3153 3167 3156 3157 3156 3157 3143 3138 3132 3121 3100 3099 3107 3110 3103 700mb Temp (C): 8.1 7.1 7.2 7.3 7.3 8.4 6.5 5.6 6.5 6.2 5.0 2.0 3.0 2.8 2.9 700mb Dewpt(C): -13.1 -10.6 -3.1 -0.9 -20.8 -11.3 1.2 -12.7 -9.4 -4.9 -21.9 -21.0 -10.4 -12.0 -12.0 700mb RH (%): 21 27 48 56 12 23 69 25 31 45 12 16 36 33 32 700mb Dir: 208 201 187 172 195 193 180 192 209 210 221 239 253 256 278 700mb Speed(kt): 18 19 16 18 25 37 24 26 37 40 36 22 19 21 16 650mb GPH (m): 3759 3770 3760 3761 3761 3763 3746 3740 3736 3725 3700 3693 3704 3707 3699 650mb Temp (C): 3.9 3.3 1.9 2.6 3.8 3.7 2.0 2.5 3.2 2.9 1.8 -0.2 0.0 -0.3 -0.1 650mb Dewpt(C): -17.2 -30.5 -5.0 -8.8 -24.2 -18.7 -8.6 -17.4 -18.2 -11.7 -18.1 -28.3 -14.7 -15.8 -19.8 650mb RH (%): 20 6 60 43 11 18 45 22 19 33 21 10 32 30 21 650mb Dir: 204 200 192 170 197 185 182 197 209 207 218 234 253 251 265 650mb Speed(kt): 13 22 23 22 27 37 27 28 37 42 41 29 24 24 20 600mb GPH (m): 4403 4413 4400 4403 4405 4406 4386 4382 4378 4368 4340 4329 4340 4342 4335 600mb Temp (C): -0.9 -0.5 -2.0 -1.0 -0.2 -0.8 -1.5 -1.2 -0.7 -0.2 -1.9 -3.4 -3.2 -3.7 -2.2 600mb Dewpt(C): -18.4 -25.5 -19.7 -22.6 -25.6 -25.7 -22.7 -20.0 -20.7 -18.9 -23.7 -22.4 -23.3 -23.0 -39.0 600mb RH (%): 25 13 25 18 13 13 18 23 20 23 17 22 20 21 4 600mb Dir: 203 200 190 180 201 188 188 202 213 205 217 230 253 249 260 600mb Speed(kt): 13 18 23 26 30 33 30 33 39 45 44 38 28 29 26 550mb GPH (m): 5090 5101 5086 5091 5095 5095 5074 5070 5068 5058 5026 5011 5023 5024 5024 550mb Temp (C): -5.7 -5.5 -6.1 -5.5 -4.5 -4.5 -5.3 -5.5 -4.9 -5.5 -6.5 -7.8 -6.8 -7.2 -5.0 550mb Dewpt(C): -24.5 -26.1 -26.2 -28.4 -27.6 -29.0 -28.2 -21.7 -22.8 -17.0 -24.7 -25.0 -30.5 -23.5 -43.9 550mb RH (%): 21 18 19 15 15 13 15 27 24 40 22 24 14 26 3 550mb Dir: 213 204 194 187 204 193 193 204 216 206 215 229 251 247 267 550mb Speed(kt): 16 17 21 28 32 30 30 38 46 47 46 41 34 36 25 500mb GPH (m): 5829 5839 5824 5830 5837 5837 5815 5808 5807 5796 5761 5743 5759 5760 5763 500mb Temp (C): -10.9 -11.2 -11.2 -10.5 -9.8 -9.7 -10.3 -11.1 -11.0 -11.9 -12.3 -13.9 -11.8 -11.4 -10.3 500mb Dewpt(C): -29.9 -29.8 -31.0 -31.4 -29.5 -30.1 -29.3 -31.0 -22.8 -20.0 -27.6 -22.1 -31.6 -30.9 -45.9 500mb RH (%): 20 21 18 17 19 18 20 18 37 51 27 50 18 19 4 500mb Dir: 214 208 204 195 208 195 197 205 216 210 213 229 251 246 276 500mb Speed(kt): 18 16 21 29 33 31 31 38 49 49 46 45 36 45 27 450mb GPH (m): 6628 6638 6623 6631 6639 6641 6615 6608 6606 6592 6557 6533 6556 6558 6564 450mb Temp (C): -17.1 -17.5 -17.2 -16.7 -16.2 -16.2 -17.0 -16.9 -17.2 -17.6 -18.2 -19.9 -17.8 -17.0 -17.0 450mb Dewpt(C): -26.4 -34.8 -34.6 -31.0 -34.2 -30.3 -31.3 -38.2 -31.0 -32.0 -31.5 -32.6 -34.2 -43.7 -39.1 450mb RH (%): 45 21 21 29 20 29 29 15 30 28 31 32 23 9 14 450mb Dir: 213 209 211 200 212 197 198 206 214 212 215 226 257 252 269 450mb Speed(kt): 15 16 24 31 33 33 34 36 46 45 47 50 42 50 35 400mb GPH (m): 7500 7507 7494 7503 7513 7513 7487 7479 7478 7462 7424 7394 7426 7429 7434 400mb Temp (C): -23.6 -24.1 -23.3 -23.5 -23.1 -23.6 -23.2 -23.5 -23.6 -23.8 -24.8 -26.8 -23.7 -23.8 -24.6 400mb Dewpt(C): -29.8 -41.5 -35.2 -36.9 -41.7 -32.9 -42.0 -41.9 -41.7 -41.5 -34.6 -44.4 -47.5 -46.5 -44.8 400mb RH (%): 57 20 34 29 18 43 17 18 18 19 41 18 10 11 15 400mb Dir: 222 204 222 197 217 198 201 207 213 214 214 226 252 250 264 400mb Speed(kt): 14 18 26 32 31 32 33 36 45 46 50 54 48 54 42 350mb GPH (m): 8458 8466 8455 8463 8474 8474 8450 8441 8437 8421 8379 8344 8385 8387 8387 350mb Temp (C): -31.6 -31.4 -31.4 -31.1 -30.9 -30.6 -30.3 -30.7 -31.3 -31.4 -32.5 -32.8 -31.3 -32.0 -33.0 350mb Dewpt(C): -42.3 -49.0 -38.3 -44.0 -50.2 -48.3 -47.6 -43.5 -45.2 -46.2 -41.3 -58.6 -50.8 -43.8 -46.9 350mb RH (%): 35 17 51 29 14 17 18 29 25 23 43 7 14 31 25 350mb Dir: 213 213 225 198 220 207 205 208 214 213 214 229 257 248 261 350mb Speed(kt): 17 21 31 35 31 32 33 40 45 49 56 58 51 58 47 300mb GPH (m): 9529 9538 9528 9535 9547 9550 9527 9517 9511 9494 9448 9417 9456 9456 9452 300mb Temp (C): -40.1 -40.0 -39.4 -40.0 -39.8 -39.2 -39.1 -39.0 -39.5 -39.6 -40.4 -38.4 -40.5 -40.8 -41.3 300mb Dewpt(C): -50.6 -48.0 -51.2 -43.5 -53.0 -51.4 -53.4 -49.9 -52.7 -53.0 -49.5 -58.8 -57.7 -50.4 -53.1 300mb RH (%): 33 44 29 70 25 28 22 32 25 24 39 11 16 37 28 300mb Dir: 207 214 223 203 218 212 205 210 215 215 215 235 248 245 254 300mb Speed(kt): 22 25 33 39 37 35 38 46 49 57 66 62 56 61 58 250mb GPH (m): 10748 10755 10749 10753 10766 10771 10749 10739 10733 10714 10666 10646 10673 10671 10664 250mb Temp (C): -49.3 -50.0 -49.1 -49.5 -49.3 -49.3 -49.0 -48.6 -48.8 -49.1 -49.1 -47.4 -49.0 -48.9 -49.9 250mb Dewpt(C): -55.8 -59.4 -58.3 -54.9 -59.7 -58.5 -55.5 -58.0 -57.9 -59.0 -58.2 -62.5 -61.9 -60.7 -61.0 250mb RH (%): 49 34 36 55 31 35 49 35 36 33 36 18 23 26 28 250mb Dir: 204 211 223 206 219 213 210 211 215 217 216 235 243 242 248 250mb Speed(kt): 27 29 37 40 46 39 45 51 56 62 73 67 64 68 60 200mb GPH (m): 12171 12184 12178 12182 12194 12200 12182 12179 12173 12154 12108 12097 12117 12115 12101 200mb Temp (C): -60.1 -57.2 -58.6 -58.3 -58.8 -58.3 -56.9 -55.5 -54.2 -54.4 -53.2 -52.7 -53.3 -53.6 -54.9 200mb Dewpt(C): -65.2 -66.8 -64.1 -64.7 -67.1 -64.1 -66.3 -68.2 -69.9 -68.2 -69.7 -70.7 -69.3 -68.7 -66.3 200mb RH (%): 53 31 51 46 36 49 32 21 15 19 14 11 14 16 25 200mb Dir: 197 224 224 211 220 221 218 217 218 221 221 237 242 243 243 200mb Speed(kt): 29 33 47 47 51 49 53 58 61 67 72 66 66 64 66 150mb GPH (m): 13991 14014 13994 13995 14004 14015 14007 14008 14014 14001 13970 13964 13974 13969 13949 150mb Temp (C): -53.9 -54.1 -55.6 -56.2 -56.1 -56.3 -55.3 -55.6 -54.6 -53.7 -52.6 -52.0 -51.9 -52.6 -52.8 150mb Dewpt(C): -81.2 -84.0 -82.4 -81.0 -81.1 -81.0 -85.0 -82.7 -84.5 -83.7 -83.3 -86.8 -82.2 -82.8 -82.9 150mb RH (%): 3 2 3 4 4 4 2 3 2 2 2 1 2 2 2 150mb Dir: 218 219 219 215 224 228 224 219 225 223 229 239 238 243 242 150mb Speed(kt): 31 29 36 40 44 48 47 53 56 56 56 50 53 49 52 100mb GPH (m): 16590 16612 16594 16590 16603 16612 16593 16593 16609 16605 16577 16573 16583 16571 16549 100mb Temp (C): -54.8 -54.6 -53.8 -53.9 -53.4 -53.8 -54.8 -54.1 -53.5 -54.0 -53.9 -53.4 -53.2 -53.9 -54.0 100mb Dewpt(C): -89.0 -88.8 -88.3 -88.3 -88.0 -83.8 -89.0 -88.5 -83.6 -88.4 -88.3 -83.5 -87.9 -83.9 -88.4 100mb RH (%): 1 1 1 1 1 2 1 1 2 1 1 2 1 2 1 100mb Dir: 205 214 210 203 220 224 217 219 216 229 227 223 234 244 243 100mb Speed(kt): 20 24 22 23 24 24 23 28 34 33 27 30 34 32 26