Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z AUG 23, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 993.5 994.3 994.7 996.4 994.7 993.4 991.0 989.8 987.6 988.2 990.2 992.5 992.0 994.1 995.0 Mean SLP (mb): 1017.2 1018.3 1018.8 1020.5 1018.3 1017.3 1015.0 1013.1 1010.5 1011.4 1014.0 1016.2 1015.3 1018.0 1019.3 2m agl Tmp (F): 72.7 64.9 61.1 62.3 73.2 64.8 59.6 78.0 88.7 80.4 68.3 72.9 82.0 67.4 57.9 2m agl Dewpt(F): 57.9 56.2 58.0 58.8 57.4 57.1 52.2 54.9 53.2 46.8 55.9 57.5 55.5 54.8 54.1 2m agl RH (%): 58 73 89 88 57 76 76 43 28 29 64 57 39 63 87 10m agl Dir: 234 236 184 203 341 4 50 80 86 83 176 213 242 253 191 10m agl Spd(kt): 3 7 3 3 5 3 5 11 9 6 3 5 5 3 2 6hr Precip (in): 0.00 0.00 0.02 0.03 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 0.02 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 Sfc CAPE (J/kg): 152.3 17.6 27.5 27.5 1.7 0.0 0.0 0.0 28.7 14.7 0.0 1.8 0.0 0.0 0.0 Sfc CINH (J/kg):-123.9 0.0 -1.3 -0.2 -0.3 0.0 -0.5 0.0 -280.9 -22.5 0.0 -5.3 0.0 -0.4 0.0 0-3km Hel(J/kg): 97.7 56.4 90.4 54.8 0.6 23.9 55.3 148.0 114.2 139.9 45.2 68.0 80.6 56.1 47.8 Precip H20 (in): 1.03 1.03 0.94 0.93 0.92 0.87 0.75 0.60 0.82 0.73 1.11 0.93 0.71 0.65 0.74 Lifted Index(C): -0.1 0.3 3.6 5.4 3.4 4.1 4.8 3.4 0.9 -0.2 1.7 4.6 3.4 5.5 7.1 700mb VV(-ub/s): -1.7 -1.8 -3.2 -2.9 -1.6 -1.7 0.0 -0.4 0.9 1.0 2.4 0.6 0.2 -1.2 1.2 Thk1000-500mb(m)5611.9 5591.3 5596.0 5618.2 5663.1 5680.7 5692.7 5711.9 5740.8 5739.4 5707.1 5693.4 5712.7 5690.9 5667.5 Thk1000-850mb(m)1377.7 1365.6 1362.7 1363.3 1380.5 1386.6 1394.2 1405.3 1425.2 1426.1 1402.2 1392.5 1404.6 1385.3 1367.9 Thk850-700mb(m):1603.2 1598.0 1594.7 1601.4 1614.2 1621.7 1624.7 1630.2 1637.5 1636.2 1634.2 1626.5 1621.2 1623.3 1621.5 SWEAT Index: 195.3 147.8 148.6 122.0 68.9 34.9 37.2 37.1 60.3 117.2 108.3 105.3 76.5 46.2 56.6 Total Totals Idx 46.8 47.4 41.7 37.5 36.8 38.3 39.0 38.2 43.5 48.9 45.8 41.8 37.4 30.8 35.8 Frz Hgt(ft amsl) 11799 11664 11687 12267 13543 13816 13917 14277 14306 14070 13449 13950 14832 14412 14379 0WetBlbHgt(amsl) 9725 9789 9165 9194 10413 10375 10253 9709 11178 10439 12608 11045 8868 9130 10447 Equil Prs (mb): 320 481 834 840 995 993 991 990 244 988 990 992 338 994 995 Equil Hgt(amsl): 29459 19796 5492 5371 26 26 26 26 35801 26 26 26 28664 26 26 Hail Size(in): 0.23 0.00 0.00 0.00 0.34 0.27 0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.17 0.00 Conv Wind Gust: 36.4 30.6 24.8 27.0 44.4 47.8 50.1 57.0 62.0 64.2 53.6 49.8 60.5 52.9 52.3 Showalter Index: 1.3 1.7 4.6 6.8 7.5 6.3 6.0 6.3 3.2 -0.1 1.7 4.0 6.7 10.5 8.1 Cap Strength(C): 1.4 2.8 2.2 4.2 -999.9 -999.9 -999.9 -999.9 0.0 -999.9 -999.9 -999.9 0.0 -999.9 -999.9 Storm Dir (deg): 245 261 292 312 354 33 146 175 209 218 202 218 236 228 229 Storm Spd (kts): 14 14 13 10 8 5 7 10 11 15 11 12 14 15 14 2m HeatIndex(F): 73 65 61 62 73 65 60 78 86 80 68 73 81 67 58 2m WindChill(F): 73 65 61 62 73 65 60 78 89 80 68 73 82 67 58 1000mb GPH (m): 148 155 158 173 158 148 127 114 93 99 119 139 134 154 161 950mb GPH (m): 589 592 592 608 600 587 567 560 549 553 561 580 584 594 593 950mb Temp (C): 17.1 14.3 13.2 13.4 17.8 17.7 19.8 20.5 27.3 28.1 20.2 17.8 22.8 17.2 11.7 950mb Dewpt(C): 12.9 12.5 12.9 13.3 12.6 12.8 10.7 10.6 9.6 7.5 13.4 11.0 11.1 12.1 10.0 950mb RH (%): 76 89 98 99 71 72 55 52 31 26 64 63 46 72 89 950mb Dir: 216 239 204 213 347 21 82 82 89 107 196 206 240 232 183 950mb Speed(kt): 4 11 9 8 6 12 18 19 14 18 11 5 6 6 5 900mb GPH (m): 1048 1046 1046 1062 1059 1048 1032 1027 1023 1028 1029 1043 1051 1055 1046 900mb Temp (C): 12.7 10.9 10.8 10.9 13.3 16.0 19.2 21.5 23.5 25.1 21.5 18.2 18.5 15.9 13.9 900mb Dewpt(C): 11.9 10.3 10.6 10.5 11.6 8.6 5.0 0.9 6.7 4.0 7.7 6.8 9.5 8.9 3.0 900mb RH (%): 95 96 99 97 89 61 38 24 33 24 40 46 55 62 47 900mb Dir: 205 219 223 235 356 47 96 110 92 128 164 204 237 199 220 900mb Speed(kt): 6 14 11 10 7 8 19 22 17 14 8 9 6 7 8 850mb GPH (m): 1525 1521 1521 1537 1538 1534 1521 1519 1518 1526 1521 1531 1539 1539 1529 850mb Temp (C): 10.0 8.0 7.6 8.0 12.6 16.5 17.3 19.1 20.6 21.1 18.8 17.0 16.5 15.6 15.2 850mb Dewpt(C): 8.3 7.3 7.4 6.9 2.3 1.1 -0.1 -2.9 1.8 6.5 5.6 4.9 2.1 -4.1 -1.7 850mb RH (%): 89 95 98 93 49 34 30 22 28 38 41 44 37 25 31 850mb Dir: 211 215 227 260 356 42 101 132 158 169 158 172 212 216 215 850mb Speed(kt): 18 15 14 5 11 5 11 11 9 9 9 8 12 12 14 800mb GPH (m): 2030 2022 2020 2038 2048 2047 2034 2036 2037 2045 2038 2045 2051 2051 2041 800mb Temp (C): 10.0 9.0 8.2 10.7 12.9 13.4 14.2 15.6 16.9 16.7 15.4 14.4 13.4 13.7 13.8 800mb Dewpt(C): 4.6 3.7 4.0 -1.0 -4.1 -1.4 -2.2 -4.5 0.7 4.6 5.0 2.1 1.2 -7.1 -11.4 800mb RH (%): 68 69 74 43 30 35 31 24 32 44 49 43 43 23 16 800mb Dir: 204 235 261 296 324 19 90 143 188 185 143 163 203 217 202 800mb Speed(kt): 21 20 13 10 10 6 6 9 9 12 10 12 17 20 20 750mb GPH (m): 2564 2555 2553 2574 2585 2586 2575 2578 2583 2590 2582 2587 2590 2591 2580 750mb Temp (C): 7.7 7.1 7.2 8.1 8.7 10.4 11.0 11.8 12.7 12.0 12.0 11.0 10.2 11.3 10.8 750mb Dewpt(C): -1.9 -1.8 -4.6 -6.3 -3.2 -5.7 -5.8 -8.3 -3.1 -3.9 2.2 2.3 -15.1 -16.6 -5.7 750mb RH (%): 50 53 42 35 43 31 30 23 33 32 50 54 15 12 31 750mb Dir: 215 235 282 299 323 15 95 166 201 200 147 173 197 205 197 750mb Speed(kt): 23 21 15 11 9 6 6 12 13 17 13 16 23 29 25 700mb GPH (m): 3129 3119 3116 3138 3152 3156 3145 3149 3156 3162 3156 3158 3160 3163 3151 700mb Temp (C): 3.9 3.6 3.2 3.7 5.4 6.7 7.1 7.3 7.5 7.9 7.9 6.5 7.5 8.3 6.9 700mb Dewpt(C): -7.3 -5.8 -10.2 -10.1 -5.8 -8.0 -9.0 -15.7 -2.9 -9.6 0.6 -1.9 -24.5 -21.4 -7.8 700mb RH (%): 44 50 37 36 44 34 30 18 47 27 59 55 8 10 34 700mb Dir: 221 234 285 301 324 19 110 173 198 212 156 180 196 192 188 700mb Speed(kt): 23 21 17 12 10 5 5 13 17 29 16 19 25 33 27 650mb GPH (m): 3725 3715 3711 3735 3754 3760 3750 3754 3761 3767 3761 3761 3765 3769 3755 650mb Temp (C): -1.1 -1.3 -1.1 0.0 2.2 2.9 3.1 3.5 3.4 3.4 2.4 2.8 4.3 3.9 3.2 650mb Dewpt(C): -11.6 -9.8 -15.5 -13.0 -12.9 -12.9 -14.6 -23.6 -12.8 -16.2 -0.6 -16.4 -21.8 -22.2 -18.8 650mb RH (%): 45 52 33 37 32 30 26 12 29 22 80 23 13 13 18 650mb Dir: 224 233 279 300 332 13 138 174 199 204 168 176 199 188 187 650mb Speed(kt): 23 21 20 14 12 3 4 12 19 35 18 21 27 32 28 600mb GPH (m): 4357 4347 4344 4371 4394 4402 4392 4397 4404 4410 4402 4403 4411 4413 4399 600mb Temp (C): -6.0 -5.9 -4.6 -3.4 -1.6 -1.2 -1.0 -0.3 -0.2 -0.8 -2.2 -0.9 0.7 -0.1 -0.1 600mb Dewpt(C): -16.8 -16.3 -22.7 -20.4 -18.8 -16.7 -19.6 -28.6 -22.1 -29.9 -12.8 -22.8 -24.9 -24.3 -23.4 600mb RH (%): 43 44 23 26 26 30 23 10 18 9 44 17 13 14 16 600mb Dir: 220 232 270 294 328 265 194 180 201 199 175 187 202 190 195 600mb Speed(kt): 24 23 24 18 13 2 5 11 19 30 21 24 28 28 26 550mb GPH (m): 5032 5022 5023 5054 5082 5089 5080 5087 5094 5099 5088 5091 5103 5103 5089 550mb Temp (C): -10.3 -10.4 -8.7 -6.6 -5.6 -5.7 -5.4 -5.2 -5.0 -4.8 -5.9 -5.1 -3.8 -4.6 -4.7 550mb Dewpt(C): -21.6 -23.8 -30.6 -26.5 -20.2 -20.2 -21.1 -26.3 -24.0 -31.0 -23.7 -27.6 -25.1 -25.8 -20.3 550mb RH (%): 40 33 16 19 31 31 28 18 21 11 23 16 18 18 28 550mb Dir: 216 231 268 288 301 239 223 190 206 202 184 197 207 192 206 550mb Speed(kt): 26 26 27 23 15 8 11 12 20 22 23 27 26 24 26 500mb GPH (m): 5760 5747 5754 5791 5821 5828 5819 5826 5834 5839 5826 5832 5847 5845 5829 500mb Temp (C): -14.2 -16.0 -13.4 -11.3 -10.9 -10.4 -10.9 -11.0 -10.5 -10.6 -10.7 -10.0 -9.4 -9.6 -11.2 500mb Dewpt(C): -32.1 -22.6 -40.6 -30.7 -23.9 -25.8 -27.8 -32.3 -29.9 -29.3 -32.2 -30.5 -27.6 -29.9 -20.8 500mb RH (%): 21 58 9 19 34 27 24 16 19 21 16 18 22 18 45 500mb Dir: 211 229 270 286 283 241 225 200 210 205 192 207 213 188 206 500mb Speed(kt): 35 30 32 28 18 12 15 15 20 20 24 30 27 23 28 450mb GPH (m): 6550 6532 6545 6590 6620 6630 6619 6625 6634 6639 6628 6635 6651 6648 6628 450mb Temp (C): -19.8 -21.4 -20.0 -17.3 -16.7 -16.1 -16.8 -16.7 -16.7 -16.7 -15.8 -16.1 -15.5 -15.6 -17.3 450mb Dewpt(C): -40.1 -30.2 -40.0 -31.7 -31.0 -33.7 -36.6 -38.1 -34.9 -35.4 -36.4 -30.8 -39.5 -35.1 -29.2 450mb RH (%): 16 46 16 28 29 21 17 15 20 19 16 28 11 18 36 450mb Dir: 207 226 272 280 280 244 226 209 214 204 196 213 216 187 205 450mb Speed(kt): 42 35 35 32 21 15 16 18 18 17 24 34 30 26 33 400mb GPH (m): 7410 7389 7406 7459 7493 7505 7491 7498 7506 7511 7504 7508 7527 7523 7496 400mb Temp (C): -27.2 -27.9 -26.6 -24.3 -23.2 -22.5 -23.6 -23.5 -23.9 -23.2 -22.2 -23.6 -22.5 -23.3 -24.8 400mb Dewpt(C): -41.1 -38.4 -46.2 -35.7 -39.5 -38.6 -41.0 -41.1 -38.8 -41.0 -41.6 -29.9 -50.2 -30.2 -29.8 400mb RH (%): 27 37 15 35 22 23 20 19 25 19 16 57 7 54 64 400mb Dir: 205 221 281 272 274 249 219 214 217 216 201 214 220 190 205 400mb Speed(kt): 47 44 38 37 27 18 17 20 18 19 23 35 26 30 35 350mb GPH (m): 8355 8332 8354 8417 8455 8468 8450 8457 8464 8474 8468 8468 8489 8486 8456 350mb Temp (C): -34.8 -35.2 -34.0 -31.7 -30.6 -30.4 -31.2 -31.4 -31.2 -30.5 -30.3 -30.4 -30.6 -30.0 -30.3 350mb Dewpt(C): -47.7 -46.4 -53.4 -42.0 -47.8 -49.8 -46.3 -45.6 -48.7 -44.9 -43.7 -43.6 -55.4 -49.9 -44.2 350mb RH (%): 27 32 14 37 18 14 23 25 17 24 27 28 8 14 26 350mb Dir: 201 215 286 268 270 249 212 213 215 229 205 206 223 197 202 350mb Speed(kt): 60 53 48 44 33 17 20 19 22 23 28 38 27 29 34 300mb GPH (m): 9418 9389 9418 9489 9531 9546 9522 9529 9538 9551 9543 9545 9565 9565 9535 300mb Temp (C): -40.4 -42.3 -40.9 -40.0 -39.1 -38.9 -40.3 -39.9 -39.4 -39.2 -39.8 -38.8 -38.8 -38.7 -38.3 300mb Dewpt(C): -56.2 -55.1 -53.5 -52.5 -51.7 -56.7 -50.1 -52.2 -50.7 -51.5 -47.1 -50.3 -60.7 -50.5 -46.6 300mb RH (%): 18 25 26 27 27 15 36 28 31 28 47 31 9 29 43 300mb Dir: 197 210 282 265 266 245 214 213 216 236 208 209 222 206 207 300mb Speed(kt): 86 59 64 52 38 20 20 22 28 25 32 41 33 33 37 250mb GPH (m): 10643 10611 10636 10709 10753 10767 10737 10749 10758 10770 10765 10769 10789 10789 10762 250mb Temp (C): -45.8 -44.7 -47.9 -49.0 -48.9 -49.4 -49.9 -49.4 -50.1 -49.8 -48.7 -48.4 -48.8 -48.5 -48.4 250mb Dewpt(C): -66.5 -68.4 -63.5 -60.2 -59.9 -59.0 -57.7 -56.7 -54.7 -55.4 -56.6 -58.7 -57.9 -57.9 -52.1 250mb RH (%): 9 6 17 28 29 34 42 44 60 53 41 31 36 35 67 250mb Dir: 196 213 273 260 267 223 217 217 213 234 214 216 221 206 209 250mb Speed(kt): 86 60 63 58 44 18 26 29 32 29 37 44 39 35 41 200mb GPH (m): 12123 12104 12097 12146 12182 12195 12165 12172 12180 12198 12195 12202 12219 12221 12200 200mb Temp (C): -47.1 -44.9 -49.7 -55.0 -58.3 -58.3 -58.4 -59.3 -58.5 -58.2 -59.0 -58.5 -58.1 -58.1 -55.6 200mb Dewpt(C): -74.5 -77.1 -73.7 -70.9 -69.8 -66.2 -66.6 -63.2 -65.1 -64.5 -64.0 -64.8 -64.0 -65.1 -67.8 200mb RH (%): 4 2 5 14 24 38 37 62 45 47 54 46 49 43 23 200mb Dir: 204 224 252 252 254 222 225 213 214 228 221 219 222 216 216 200mb Speed(kt): 60 50 55 54 45 29 32 30 30 36 50 42 46 41 45 150mb GPH (m): 14013 14004 13983 13995 14020 14024 13987 13993 14004 14016 14001 14014 14029 14035 14027 150mb Temp (C): -50.1 -49.8 -50.8 -52.5 -53.0 -53.3 -53.8 -54.1 -54.0 -55.8 -56.3 -56.3 -57.6 -57.0 -56.4 150mb Dewpt(C): -86.0 -85.5 -86.2 -82.8 -83.1 -83.5 -83.8 -84.0 -84.0 -82.2 -81.1 -81.0 -80.7 -81.6 -83.0 150mb RH (%): 1 1 1 2 2 2 2 2 2 3 4 4 5 4 3 150mb Dir: 207 219 239 253 238 221 220 205 212 224 219 219 228 223 225 150mb Speed(kt): 35 36 39 34 30 28 26 26 29 32 40 39 40 39 44 100mb GPH (m): 16624 16618 16596 16598 16607 16610 16579 16589 16605 16613 16590 16603 16613 16617 16596 100mb Temp (C): -56.2 -56.0 -55.2 -55.6 -55.7 -56.5 -55.7 -55.2 -55.0 -54.6 -54.4 -54.1 -53.5 -54.1 -55.4 100mb Dewpt(C): -90.0 -89.9 -89.3 -89.5 -89.6 -90.2 -89.6 -89.2 -89.1 -88.8 -88.7 -88.5 -88.1 -84.0 -85.0 100mb RH (%): 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 100mb Dir: 205 213 226 226 226 215 215 196 211 211 214 207 219 220 223 100mb Speed(kt): 22 24 21 16 17 15 16 17 20 24 22 22 25 28 24