Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z AUG 18, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 995.4 996.4 994.4 995.1 994.5 994.9 990.9 991.2 991.5 993.0 990.8 991.6 991.9 992.5 991.0 Mean SLP (mb): 1019.5 1020.4 1017.9 1019.1 1018.8 1019.0 1014.3 1015.0 1015.5 1017.0 1014.1 1015.3 1015.9 1016.3 1014.3 2m agl Tmp (F): 59.2 67.9 76.8 62.5 56.0 62.4 78.8 66.8 60.9 63.7 78.6 69.1 61.7 70.6 80.8 2m agl Dewpt(F): 57.2 59.7 60.7 57.8 53.8 56.5 56.0 58.7 57.7 59.6 62.0 61.8 59.5 62.3 63.9 2m agl RH (%): 93 74 56 84 92 81 44 74 89 86 55 77 92 74 55 10m agl Dir: 91 264 299 324 28 291 311 273 121 243 295 2 122 281 281 10m agl Spd(kt): 1 3 6 2 1 1 6 2 1 2 4 2 1 2 5 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 2.3 0.0 0.0 0.0 2.7 0.0 0.1 0.0 1.8 71.0 23.0 0.7 20.1 541.2 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 -0.2 -0.5 -0.4 -0.2 -23.4 -527.0 -31.0 -34.2 -118.3 0-3km Hel(J/kg): 45.4 24.0 9.3 26.1 36.5 28.7 42.5 74.2 62.8 52.5 79.0 80.9 79.3 90.4 73.7 Precip H20 (in): 0.92 0.72 0.74 0.66 0.56 0.61 0.67 0.84 0.94 0.87 0.81 0.87 1.08 1.07 0.91 Lifted Index(C): 0.3 5.0 2.8 7.1 9.0 6.7 4.4 1.5 2.4 3.7 0.0 0.4 -2.3 0.2 -2.8 700mb VV(-ub/s): 0.0 -0.7 -0.5 -1.4 0.1 -0.8 -1.4 -1.5 -0.7 0.1 0.0 -1.9 1.5 3.8 -0.3 Thk1000-500mb(m)5676.7 5680.5 5711.4 5708.9 5702.0 5705.5 5736.4 5729.0 5708.3 5701.6 5724.0 5717.6 5704.1 5698.4 5701.7 Thk1000-850mb(m)1377.8 1375.8 1393.3 1385.6 1377.2 1379.7 1403.9 1397.2 1387.0 1384.9 1404.8 1400.7 1391.9 1393.1 1405.2 Thk850-700mb(m):1622.3 1626.3 1628.7 1632.0 1631.0 1633.3 1638.6 1641.5 1639.4 1637.0 1636.8 1639.4 1638.3 1634.9 1629.7 SWEAT Index: 116.5 19.7 24.8 26.6 37.7 22.5 69.8 58.5 62.7 35.6 53.4 58.6 64.1 65.4 66.6 Total Totals Idx 41.7 26.2 33.0 27.3 25.5 36.1 40.4 40.7 41.9 38.3 32.2 27.8 32.5 31.9 33.4 Frz Hgt(ft amsl) 14135 14210 14690 14778 14928 15138 15062 14640 14261 14259 14325 13825 13720 13568 13287 0WetBlbHgt(amsl) 9906 9790 9888 9944 9733 10082 10236 11104 11507 11016 10356 11582 13139 12943 12434 Equil Prs (mb): 995 996 994 995 995 995 991 991 991 993 296 992 992 434 242 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 26 26 31800 26 26 22662 36089 Hail Size(in): 0.50 0.43 0.42 0.04 0.00 0.00 0.00 0.03 0.00 0.09 0.49 0.02 0.24 0.02 0.12 Conv Wind Gust: 49.2 51.7 54.4 49.8 50.5 51.3 57.5 54.1 53.2 53.7 57.6 57.6 55.2 53.0 56.4 Showalter Index: 3.8 12.7 9.2 12.2 12.9 7.4 4.7 4.7 4.2 6.2 9.1 10.5 8.6 9.0 8.8 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 5.7 -999.9 -999.9 6.7 3.1 Storm Dir (deg): 313 316 312 307 297 271 262 244 241 231 243 239 229 226 246 Storm Spd (kts): 7 6 6 6 7 5 7 10 11 10 12 15 15 13 15 2m HeatIndex(F): 59 68 77 63 56 62 79 67 61 64 79 69 62 71 82 2m WindChill(F): 59 68 77 63 56 62 79 67 61 64 79 69 62 71 81 1000mb GPH (m): 164 173 155 162 157 160 124 128 131 144 123 131 135 139 125 950mb GPH (m): 599 611 600 600 590 593 571 569 567 580 571 575 574 580 574 950mb Temp (C): 16.1 14.4 19.6 17.6 14.6 13.3 21.2 19.0 15.9 14.7 21.0 20.3 18.3 17.1 22.3 950mb Dewpt(C): 12.8 13.1 14.2 11.3 12.6 10.7 11.7 15.4 15.6 14.6 14.9 14.9 14.4 15.8 16.0 950mb RH (%): 81 92 70 66 88 84 53 79 98 99 67 70 77 92 67 950mb Dir: 316 277 301 345 224 74 316 342 216 184 300 1 239 293 280 950mb Speed(kt): 4 4 7 5 1 0 6 4 3 2 4 2 2 2 5 900mb GPH (m): 1060 1067 1063 1062 1049 1053 1037 1034 1029 1040 1037 1041 1037 1043 1041 900mb Temp (C): 15.0 13.9 16.0 16.9 16.5 17.4 20.2 19.7 18.2 17.9 19.7 19.5 17.5 18.4 18.1 900mb Dewpt(C): 14.0 10.4 9.8 6.6 -0.2 -3.0 0.7 3.2 6.5 7.2 8.1 8.3 12.0 9.4 13.3 900mb RH (%): 93 79 66 49 31 24 26 32 45 49 46 47 69 55 73 900mb Dir: 291 288 312 308 291 312 339 272 274 253 266 235 279 252 268 900mb Speed(kt): 7 8 7 7 7 4 5 3 5 3 4 3 6 3 5 850mb GPH (m): 1542 1549 1548 1548 1535 1540 1528 1525 1518 1529 1528 1532 1527 1533 1530 850mb Temp (C): 13.3 15.0 15.7 16.1 16.2 17.3 18.8 19.0 18.4 18.6 19.5 20.0 19.8 19.0 18.0 850mb Dewpt(C): 7.3 -8.9 0.1 -6.0 -7.3 0.1 3.9 2.4 2.2 -0.8 -7.1 -11.7 -9.4 -9.4 -6.3 850mb RH (%): 67 18 34 21 19 30 36 32 33 26 15 10 13 13 18 850mb Dir: 292 317 329 314 316 312 302 282 255 238 218 222 215 183 231 850mb Speed(kt): 11 7 9 9 10 4 3 2 5 4 7 6 6 6 9 800mb GPH (m): 2052 2061 2061 2062 2048 2055 2046 2043 2036 2046 2046 2050 2045 2050 2045 800mb Temp (C): 13.5 15.0 15.2 15.8 15.6 15.6 17.4 18.0 17.7 17.0 16.8 16.9 17.3 16.7 15.8 800mb Dewpt(C): -7.1 -16.2 -18.0 -18.1 -16.1 -5.1 -18.5 -17.0 -11.0 -9.6 -7.7 -8.0 -7.1 -8.8 -11.6 800mb RH (%): 23 10 9 8 10 23 7 8 13 15 17 17 18 16 14 800mb Dir: 286 305 295 295 299 271 247 239 217 219 213 228 190 178 231 800mb Speed(kt): 9 6 7 9 8 4 6 6 9 9 12 11 9 11 12 750mb GPH (m): 2592 2603 2603 2605 2592 2599 2592 2590 2582 2591 2590 2595 2590 2594 2588 750mb Temp (C): 11.6 12.3 12.6 13.1 13.1 13.4 13.8 13.8 13.4 12.9 12.5 14.0 13.4 12.9 11.7 750mb Dewpt(C): -12.7 -15.6 -14.7 -12.8 -18.3 -17.3 -11.9 -10.5 -1.2 -0.1 -5.7 -12.3 -8.7 -10.4 -9.7 750mb RH (%): 17 13 13 15 10 10 15 17 36 40 27 15 20 18 21 750mb Dir: 285 296 278 283 271 241 229 227 208 205 212 225 197 180 224 750mb Speed(kt): 10 8 8 10 9 8 10 11 15 14 17 17 12 16 16 700mb GPH (m): 3164 3175 3177 3180 3166 3173 3167 3166 3157 3166 3165 3171 3165 3167 3159 700mb Temp (C): 7.6 8.3 9.1 9.4 9.1 9.0 9.2 10.0 8.7 8.8 9.2 9.1 8.6 8.0 7.3 700mb Dewpt(C): -12.0 -14.7 -17.5 -19.1 -17.4 -14.1 -14.5 -9.6 -5.2 -7.1 -13.1 -7.6 -4.2 -3.2 -6.6 700mb RH (%): 23 18 13 11 14 18 17 24 37 31 19 30 40 45 36 700mb Dir: 282 284 267 271 260 240 226 217 204 192 207 214 203 184 215 700mb Speed(kt): 12 10 12 12 10 9 10 20 19 20 21 23 23 19 20 650mb GPH (m): 3770 3782 3785 3788 3773 3781 3776 3777 3765 3773 3773 3779 3773 3774 3763 650mb Temp (C): 4.0 3.9 4.8 4.7 4.7 4.7 5.5 5.6 4.5 4.3 4.7 3.9 3.4 2.7 1.7 650mb Dewpt(C): -15.5 -16.1 -15.5 -12.9 -15.7 -18.3 -21.3 -12.9 -8.7 -14.1 -12.0 -5.9 -0.5 -0.8 -1.1 650mb RH (%): 23 22 21 26 21 17 13 25 37 25 28 48 75 78 81 650mb Dir: 271 280 261 265 252 234 221 208 207 189 204 206 197 185 208 650mb Speed(kt): 15 13 13 12 10 10 13 27 26 21 24 30 33 22 27 600mb GPH (m): 4414 4426 4431 4434 4419 4427 4423 4423 4410 4417 4418 4422 4415 4415 4403 600mb Temp (C): -0.8 -0.7 0.3 0.4 0.6 1.2 1.2 0.3 -0.5 -0.5 -0.4 -1.8 -1.9 -2.1 -2.2 600mb Dewpt(C): -16.4 -18.7 -18.7 -16.0 -21.7 -29.4 -26.1 -15.2 -11.9 -15.2 -12.7 -5.2 -2.8 -2.5 -17.3 600mb RH (%): 30 24 23 28 17 8 11 30 42 32 39 78 94 97 30 600mb Dir: 270 277 264 252 256 230 216 205 204 191 208 200 191 193 209 600mb Speed(kt): 16 12 12 10 9 9 14 27 27 20 25 37 38 26 37 550mb GPH (m): 5102 5114 5122 5126 5113 5121 5117 5114 5100 5106 5107 5108 5102 5101 5089 550mb Temp (C): -5.8 -5.4 -4.1 -3.8 -2.8 -3.2 -3.7 -4.5 -5.3 -5.6 -5.5 -6.0 -6.6 -7.1 -6.3 550mb Dewpt(C): -21.2 -24.2 -26.4 -25.3 -38.2 -29.7 -15.3 -16.6 -17.8 -18.7 -15.5 -17.7 -10.3 -9.9 -26.7 550mb RH (%): 29 22 16 17 5 11 40 39 37 35 45 39 75 80 18 550mb Dir: 281 275 273 240 258 232 206 204 211 197 210 201 197 206 209 550mb Speed(kt): 11 9 8 9 15 9 15 25 23 22 29 42 45 40 44 500mb GPH (m): 5841 5854 5866 5871 5859 5866 5861 5857 5839 5846 5847 5849 5839 5838 5826 500mb Temp (C): -10.6 -10.1 -8.6 -8.6 -8.3 -9.4 -8.9 -9.7 -10.6 -10.3 -9.9 -9.7 -11.0 -11.1 -10.8 500mb Dewpt(C): -28.0 -30.5 -32.9 -30.7 -25.5 -19.9 -27.0 -22.5 -20.6 -25.1 -28.7 -30.0 -22.2 -18.0 -35.3 500mb RH (%): 23 18 12 15 24 42 22 35 44 29 20 18 40 57 12 500mb Dir: 282 283 262 228 241 216 201 204 213 208 212 207 201 204 208 500mb Speed(kt): 7 5 5 9 18 13 17 25 26 28 40 46 51 53 49 450mb GPH (m): 6643 6659 6674 6679 6667 6672 6667 6660 6642 6648 6652 6653 6640 6639 6627 450mb Temp (C): -15.7 -14.8 -14.1 -13.4 -14.5 -14.3 -14.7 -15.4 -16.1 -14.7 -14.8 -14.8 -16.1 -15.9 -16.4 450mb Dewpt(C): -32.8 -39.1 -37.3 -42.4 -31.1 -38.3 -30.0 -23.0 -26.1 -41.4 -40.4 -34.0 -27.9 -27.0 -34.3 450mb RH (%): 22 11 13 7 24 12 27 53 42 9 10 18 36 39 20 450mb Dir: 291 191 235 231 224 203 207 205 213 212 214 210 206 201 206 450mb Speed(kt): 4 0 5 13 15 16 21 28 33 37 47 51 56 60 57 400mb GPH (m): 7521 7539 7557 7563 7549 7553 7547 7540 7516 7529 7533 7533 7516 7516 7501 400mb Temp (C): -21.3 -20.7 -20.1 -20.4 -19.9 -20.7 -20.9 -21.6 -22.2 -20.6 -20.3 -21.0 -21.9 -22.0 -22.3 400mb Dewpt(C): -46.8 -44.9 -55.4 -39.6 -52.8 -42.3 -26.1 -34.4 -36.0 -43.2 -38.5 -36.4 -34.6 -32.4 -39.3 400mb RH (%): 9 10 3 17 4 13 64 32 29 12 19 25 32 39 21 400mb Dir: 9 93 195 236 252 200 204 208 210 214 214 210 208 199 204 400mb Speed(kt): 5 5 7 18 23 8 23 31 39 47 53 56 62 67 67 350mb GPH (m): 8490 8511 8530 8534 8522 8525 8520 8506 8486 8501 8504 8503 8484 8483 8468 350mb Temp (C): -28.9 -28.0 -27.5 -28.2 -28.0 -28.1 -28.3 -29.2 -27.9 -28.2 -28.3 -28.4 -28.9 -29.3 -28.9 350mb Dewpt(C): -56.2 -47.8 -57.0 -51.2 -44.1 -45.6 -35.0 -42.5 -43.0 -39.7 -38.5 -41.8 -38.9 -33.5 -44.4 350mb RH (%): 6 14 5 10 21 18 54 28 23 34 38 28 39 68 22 350mb Dir: 10 85 217 228 234 204 211 207 218 215 214 210 209 195 202 350mb Speed(kt): 2 10 11 22 30 18 30 42 57 55 61 65 70 74 75 300mb GPH (m): 9573 9599 9618 9618 9607 9611 9606 9591 9574 9587 9591 9589 9568 9568 9553 300mb Temp (C): -37.4 -36.3 -37.2 -37.9 -37.4 -37.3 -37.2 -36.1 -36.9 -36.9 -36.5 -36.5 -36.7 -36.6 -36.8 300mb Dewpt(C): -59.1 -52.7 -52.5 -51.1 -47.0 -43.7 -47.4 -55.2 -45.7 -47.4 -47.3 -46.3 -44.7 -40.2 -50.4 300mb RH (%): 10 18 20 25 38 53 35 14 41 35 33 37 45 71 25 300mb Dir: 52 100 231 217 237 202 212 217 220 218 214 211 209 197 200 300mb Speed(kt): 14 24 15 16 28 27 35 58 61 58 69 72 81 83 83 250mb GPH (m): 10804 10836 10848 10846 10840 10841 10838 10830 10809 10823 10831 10828 10807 10805 10790 250mb Temp (C): -46.8 -46.4 -47.6 -47.7 -47.2 -47.9 -46.3 -46.0 -46.0 -45.5 -45.2 -45.3 -45.2 -46.0 -45.9 250mb Dewpt(C): -54.4 -52.9 -56.8 -58.8 -62.6 -52.9 -57.2 -53.4 -56.3 -57.0 -53.7 -54.2 -55.1 -49.7 -55.6 250mb RH (%): 44 49 36 29 17 58 30 44 32 28 40 38 34 67 34 250mb Dir: 62 105 208 231 222 211 230 220 221 222 215 212 210 201 200 250mb Speed(kt): 42 35 13 23 27 26 57 65 70 68 70 81 89 89 90 200mb GPH (m): 12251 12280 12292 12292 12272 12270 12285 12282 12263 12277 12284 12282 12260 12255 12242 200mb Temp (C): -53.6 -55.9 -54.2 -54.2 -57.5 -58.7 -56.4 -54.5 -53.8 -54.8 -55.0 -54.6 -55.1 -55.2 -54.2 200mb Dewpt(C): -69.1 -67.6 -66.9 -65.5 -65.5 -62.2 -61.3 -66.9 -66.9 -65.1 -66.0 -65.8 -62.9 -62.8 -66.0 200mb RH (%): 15 24 22 26 38 66 56 23 21 29 26 26 40 41 24 200mb Dir: 40 133 197 242 230 215 230 223 220 221 217 214 212 205 205 200mb Speed(kt): 12 13 10 45 42 33 76 69 65 69 71 79 88 92 90 150mb GPH (m): 14086 14101 14123 14118 14089 14087 14092 14096 14082 14089 14099 14102 14079 14078 14079 150mb Temp (C): -56.5 -57.7 -57.5 -57.3 -56.6 -55.9 -57.0 -58.1 -59.8 -59.3 -58.6 -58.0 -57.3 -55.7 -54.6 150mb Dewpt(C): -83.0 -82.1 -80.6 -79.1 -81.5 -81.0 -80.1 -79.7 -78.3 -75.4 -76.8 -77.1 -78.4 -80.8 -79.9 150mb RH (%): 3 4 5 6 4 4 5 6 9 13 10 9 7 4 4 150mb Dir: 244 240 221 227 228 220 223 225 222 217 217 211 211 212 210 150mb Speed(kt): 9 12 22 26 31 37 44 49 46 46 53 48 58 60 63 100mb GPH (m): 16652 16657 16673 16674 16658 16657 16664 16669 16643 16654 16667 16666 16646 16652 16663 100mb Temp (C): -57.7 -58.0 -58.6 -57.7 -58.1 -57.8 -58.3 -57.3 -57.1 -56.9 -57.4 -58.6 -56.7 -57.0 -56.8 100mb Dewpt(C): -91.2 -91.2 -87.4 -91.0 -91.6 -86.6 -91.7 -86.5 -90.6 -90.5 -86.7 -87.3 -86.0 -86.2 -86.1 100mb RH (%): 1 1 2 1 1 2 1 2 1 1 2 2 2 2 2 100mb Dir: 266 258 251 248 249 239 233 231 225 209 217 208 208 203 213 100mb Speed(kt): 16 14 19 17 20 21 21 23 21 20 20 26 24 30 30