Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z APR 20, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 984.1 985.1 984.9 985.9 986.1 985.9 986.0 987.1 989.5 991.2 992.6 994.9 995.7 997.5 995.7 Mean SLP (mb): 1008.4 1009.2 1008.6 1010.1 1010.5 1010.4 1010.4 1011.7 1014.3 1016.0 1017.3 1019.9 1020.7 1022.5 1020.4 2m agl Tmp (F): 52.4 62.1 66.7 54.4 50.2 51.2 49.9 47.5 45.4 45.6 48.2 43.0 42.3 43.4 51.2 2m agl Dewpt(F): 38.2 47.3 49.9 51.6 49.2 50.4 48.8 46.2 44.5 43.6 41.6 41.1 41.7 42.5 42.0 2m agl RH (%): 58 58 54 90 97 97 96 95 97 93 77 93 98 97 70 10m agl Dir: 85 154 264 270 307 254 293 286 235 214 244 215 218 221 243 10m agl Spd(kt): 3 1 4 2 4 4 5 6 8 11 11 8 6 5 6 6hr Precip (in): 0.00 0.00 0.00 0.02 0.14 0.23 0.03 0.04 0.03 0.04 0.16 0.06 0.08 0.05 0.02 AccumPrecip(in): 0.00 0.00 0.00 0.02 0.16 0.39 0.41 0.45 0.49 0.53 0.68 0.74 0.82 0.87 0.88 Sfc CAPE (J/kg): 0.0 5.3 0.0 6.1 3.3 21.4 32.2 33.2 56.2 42.6 79.9 6.5 8.2 41.4 47.6 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 -0.1 0.0 -0.6 -0.2 0.0 0.0 0.0 0.0 -3.1 -0.8 0.0 0-3km Hel(J/kg): 137.1 136.0 227.5 223.3 113.6 49.4 41.1 -34.1 23.4 232.1 143.8 207.7 154.1 149.1 73.3 Precip H20 (in): 0.65 0.61 0.86 0.91 0.96 0.81 0.73 0.68 0.59 0.66 0.38 0.48 0.51 0.46 0.48 Lifted Index(C): 2.3 3.0 0.7 0.2 4.6 4.0 2.6 4.1 6.6 8.0 9.5 8.6 10.7 10.5 10.1 700mb VV(-ub/s): 1.9 2.7 3.4 0.0 6.2 0.0 1.5 1.4 1.4 3.0 1.2 0.1 -0.5 -1.8 0.8 Thk1000-500mb(m)5556.5 5544.3 5537.7 5519.3 5489.5 5456.8 5430.3 5409.1 5384.1 5389.5 5393.9 5377.5 5387.5 5396.8 5407.3 Thk1000-850mb(m)1367.1 1364.1 1366.4 1354.3 1339.2 1337.1 1332.9 1324.9 1318.0 1317.5 1316.2 1312.4 1311.4 1309.5 1321.7 Thk850-700mb(m):1594.6 1588.7 1576.6 1579.4 1558.9 1553.0 1547.9 1539.4 1529.2 1527.6 1525.4 1522.9 1523.2 1527.3 1525.7 SWEAT Index: 72.0 56.9 70.2 135.5 114.7 101.6 120.9 52.6 47.1 93.8 85.7 78.7 78.0 63.9 84.1 Total Totals Idx 48.3 47.5 46.3 50.8 46.0 47.6 50.6 48.2 42.7 42.3 37.4 42.9 38.4 38.5 35.6 Frz Hgt(ft amsl) 10070 9887 9421 9328 7743 6890 6564 5243 3999 4157 3701 3913 3651 3362 4455 0WetBlbHgt(amsl) 8063 7044 7845 8320 7580 6874 6536 5145 3946 4084 3552 3847 3569 3319 4175 Equil Prs (mb): 984 985 429 986 986 809 843 816 802 777 769 995 861 796 719 Equil Hgt(amsl): 26 26 22088 26 26 5982 4873 5725 6226 7079 7378 26 4515 6592 9212 Hail Size(in): 0.00 0.00 0.00 0.16 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: 48.8 51.6 45.9 36.2 15.0 16.1 12.0 16.0 21.3 22.8 24.9 20.2 23.6 21.5 27.5 Showalter Index: 2.2 2.8 4.0 1.2 4.2 3.7 2.6 4.8 8.6 8.7 11.6 8.6 11.1 11.0 12.1 Cap Strength(C):-999.9 -999.9 0.8 -999.9 -999.9 0.3 0.6 0.9 0.0 0.0 -999.9 0.4 2.6 0.0 0.0 Storm Dir (deg): 189 192 205 197 182 205 251 323 306 303 318 353 12 14 3 Storm Spd (kts): 16 16 15 16 14 15 11 10 13 20 19 19 24 20 23 2m HeatIndex(F): 52 62 67 54 50 51 50 47 45 46 48 43 42 43 51 2m WindChill(F): 52 62 67 54 50 51 50 47 45 46 48 43 42 43 51 1000mb GPH (m): 70 77 73 85 87 86 86 96 117 131 142 162 168 183 168 950mb GPH (m): 501 510 511 515 513 512 511 519 538 552 564 580 586 601 592 950mb Temp (C): 14.3 13.1 15.5 11.8 8.4 8.0 7.3 6.0 5.1 4.6 4.8 3.3 3.5 2.9 6.0 950mb Dewpt(C): 3.2 4.4 7.9 9.7 8.1 7.8 7.1 5.8 4.9 4.4 3.1 3.0 3.2 2.7 4.0 950mb RH (%): 47 55 60 87 98 98 99 99 99 98 88 98 98 99 86 950mb Dir: 108 122 267 326 323 269 308 301 244 218 248 226 237 236 247 950mb Speed(kt): 10 2 5 8 11 6 11 14 18 23 18 20 17 12 9 900mb GPH (m): 957 963 966 966 959 957 955 960 977 990 1002 1017 1023 1037 1031 900mb Temp (C): 13.8 12.1 10.9 9.5 6.4 6.0 4.8 3.2 1.8 1.7 0.8 1.1 0.5 -0.1 2.0 900mb Dewpt(C): 1.3 2.3 6.3 6.2 6.2 5.9 4.7 3.0 1.6 1.5 0.4 0.8 0.2 -0.3 1.8 900mb RH (%): 42 50 73 80 99 99 99 99 98 98 97 98 98 99 98 900mb Dir: 116 128 278 349 266 283 325 307 262 233 252 263 267 277 253 900mb Speed(kt): 19 6 7 11 8 4 11 20 21 31 22 20 14 10 11 850mb GPH (m): 1437 1441 1440 1439 1426 1423 1419 1421 1435 1448 1458 1474 1479 1493 1490 850mb Temp (C): 12.7 12.0 7.7 7.8 4.1 3.6 2.8 0.8 -1.6 -1.1 -2.1 -1.8 -2.0 -2.1 -0.8 850mb Dewpt(C): -1.3 -2.7 0.1 3.5 4.1 3.4 2.6 0.5 -1.9 -1.4 -3.5 -2.0 -2.4 -2.3 -2.8 850mb RH (%): 37 35 58 74 99 99 99 98 98 98 91 98 97 98 86 850mb Dir: 144 163 271 9 237 255 300 297 262 246 260 276 259 292 318 850mb Speed(kt): 20 10 12 9 11 6 7 19 20 33 27 19 6 8 12 800mb GPH (m): 1943 1945 1937 1938 1917 1913 1908 1907 1916 1929 1937 1954 1960 1972 1972 800mb Temp (C): 9.8 8.7 5.2 6.2 1.3 1.0 0.6 -1.4 -2.8 -4.0 -5.3 -4.6 -2.5 -4.8 -3.4 800mb Dewpt(C): -4.2 -9.6 -1.0 2.4 0.8 1.0 0.5 -1.6 -6.1 -4.1 -6.2 -4.9 -5.1 -6.6 -9.6 800mb RH (%): 37 26 64 76 96 100 99 98 78 99 93 98 82 87 62 800mb Dir: 168 159 306 136 231 217 272 290 266 252 261 299 331 339 359 800mb Speed(kt): 20 15 8 8 5 8 7 15 20 34 26 15 15 14 23 750mb GPH (m): 2474 2474 2462 2464 2435 2430 2423 2419 2425 2437 2443 2459 2468 2480 2479 750mb Temp (C): 5.2 4.5 2.8 2.8 -0.2 -1.8 -2.7 -3.8 -5.0 -5.4 -4.9 -6.3 -6.5 -5.1 -6.3 750mb Dewpt(C): -6.6 -11.0 -3.9 -1.8 -0.4 -1.8 -3.0 -5.2 -8.1 -6.9 -21.7 -7.3 -8.2 -23.6 -15.7 750mb RH (%): 42 31 61 71 98 100 98 90 79 90 26 92 88 22 48 750mb Dir: 176 154 79 159 98 193 292 297 268 265 275 332 344 357 348 750mb Speed(kt): 19 21 10 17 9 14 8 15 23 30 24 21 21 26 26 700mb GPH (m): 3032 3030 3016 3018 2985 2976 2967 2961 2964 2976 2984 2997 3003 3020 3016 700mb Temp (C): 0.3 -0.1 -1.0 -1.3 -2.8 -4.9 -5.9 -7.3 -8.0 -7.9 -6.4 -8.0 -9.9 -6.1 -8.3 700mb Dewpt(C): -10.5 -13.4 -3.7 -6.0 -3.2 -6.5 -8.7 -7.7 -9.5 -10.8 -44.8 -14.2 -16.1 -27.5 -16.3 700mb RH (%): 44 36 82 70 97 89 81 97 89 79 3 61 61 17 53 700mb Dir: 167 161 129 170 127 175 253 307 272 280 295 339 341 0 342 700mb Speed(kt): 20 28 20 30 18 16 7 13 21 26 28 27 30 40 35 650mb GPH (m): 3620 3617 3604 3604 3569 3554 3544 3535 3535 3548 3559 3570 3572 3598 3589 650mb Temp (C): -4.5 -4.8 -4.7 -6.0 -6.0 -8.7 -9.1 -10.6 -11.4 -10.8 -9.5 -10.3 -10.5 -8.4 -9.3 650mb Dewpt(C): -16.5 -18.4 -6.0 -10.0 -6.5 -15.3 -16.4 -13.8 -14.7 -13.0 -42.2 -40.2 -27.7 -23.8 -21.0 650mb RH (%): 39 34 91 73 96 59 56 77 77 84 5 7 24 28 38 650mb Dir: 161 162 149 172 135 174 207 308 293 296 305 337 346 352 331 650mb Speed(kt): 23 35 26 31 23 20 7 10 20 27 29 33 46 44 46 600mb GPH (m): 4243 4240 4228 4225 4192 4170 4157 4146 4145 4160 4172 4182 4187 4213 4203 600mb Temp (C): -9.6 -10.4 -9.0 -10.3 -9.4 -11.7 -13.8 -13.8 -15.3 -14.4 -13.1 -13.9 -12.1 -12.3 -12.7 600mb Dewpt(C): -16.4 -16.2 -10.2 -12.6 -10.3 -24.3 -24.5 -25.1 -22.1 -16.1 -50.8 -46.3 -34.3 -25.4 -30.8 600mb RH (%): 58 63 91 83 93 35 41 38 56 86 3 5 14 33 21 600mb Dir: 165 161 174 168 136 179 216 301 309 306 315 335 348 350 336 600mb Speed(kt): 30 39 33 32 31 33 9 7 22 29 31 35 56 42 51 550mb GPH (m): 4909 4905 4896 4890 4860 4830 4812 4802 4797 4815 4829 4836 4846 4872 4863 550mb Temp (C): -13.8 -14.0 -14.0 -14.5 -13.6 -15.9 -18.2 -17.9 -18.8 -18.1 -17.0 -18.5 -16.1 -16.9 -15.8 550mb Dewpt(C): -16.3 -16.1 -16.2 -15.6 -14.9 -21.6 -29.4 -28.9 -29.3 -19.9 -53.7 -45.5 -33.0 -28.3 -30.5 550mb RH (%): 82 85 83 91 90 62 38 39 40 85 3 8 23 37 28 550mb Dir: 169 169 178 167 147 167 201 299 299 321 321 343 356 348 334 550mb Speed(kt): 33 37 42 36 39 49 24 7 12 29 32 39 62 45 59 500mb GPH (m): 5626 5621 5611 5604 5577 5543 5517 5506 5501 5520 5536 5540 5556 5580 5576 500mb Temp (C): -18.5 -19.1 -19.2 -19.7 -18.9 -20.3 -22.6 -23.5 -23.1 -22.4 -21.5 -23.4 -21.4 -21.4 -19.6 500mb Dewpt(C): -20.8 -21.5 -22.5 -23.0 -20.8 -23.3 -31.7 -29.8 -27.8 -24.7 -51.4 -49.1 -34.2 -33.3 -41.8 500mb RH (%): 82 82 76 76 85 77 44 57 66 82 5 8 31 34 13 500mb Dir: 168 170 175 166 158 153 183 227 357 331 319 354 359 349 334 500mb Speed(kt): 32 36 44 41 44 49 44 7 8 28 31 41 67 47 61 450mb GPH (m): 6404 6396 6387 6376 6353 6314 6283 6266 6263 6287 6304 6302 6321 6346 6347 450mb Temp (C): -23.8 -24.7 -24.4 -26.0 -24.6 -26.7 -28.0 -29.0 -29.2 -27.5 -26.4 -28.3 -28.0 -28.0 -26.3 450mb Dewpt(C): -26.4 -27.5 -27.2 -29.1 -27.0 -29.1 -32.6 -34.7 -34.6 -30.1 -49.7 -53.6 -38.0 -39.3 -46.4 450mb RH (%): 80 78 78 75 81 80 65 59 60 79 10 8 39 34 14 450mb Dir: 167 169 169 171 165 151 169 174 39 338 297 356 356 351 354 450mb Speed(kt): 32 38 48 48 48 49 54 30 9 18 27 50 68 49 65 400mb GPH (m): 7252 7243 7233 7221 7196 7150 7119 7102 7093 7123 7143 7135 7153 7179 7186 400mb Temp (C): -30.2 -30.3 -30.3 -29.5 -31.9 -34.6 -32.7 -32.3 -35.0 -33.5 -33.2 -34.5 -35.2 -35.1 -33.1 400mb Dewpt(C): -33.1 -33.2 -37.9 -37.4 -35.1 -37.6 -36.1 -35.7 -39.8 -36.7 -51.3 -57.0 -46.4 -45.6 -54.6 400mb RH (%): 76 76 49 47 74 75 72 72 63 74 16 9 32 35 11 400mb Dir: 167 173 173 176 168 155 153 139 121 4 281 359 357 353 350 400mb Speed(kt): 35 40 47 54 48 47 54 49 14 10 29 64 68 53 66 350mb GPH (m): 8188 8178 8175 8164 8121 8068 8042 8028 8009 8042 8063 8050 8067 8095 8109 350mb Temp (C): -37.1 -37.8 -34.1 -33.9 -40.5 -40.7 -41.1 -40.3 -42.7 -42.0 -41.9 -43.0 -42.8 -41.7 -40.4 350mb Dewpt(C): -40.6 -41.3 -51.8 -49.0 -43.3 -49.1 -44.8 -43.8 -47.2 -45.7 -52.8 -55.5 -53.5 -52.7 -56.2 350mb RH (%): 71 71 16 22 75 42 69 70 63 68 31 26 32 31 18 350mb Dir: 168 166 200 181 174 173 144 143 125 36 270 356 356 357 344 350mb Speed(kt): 35 44 61 65 55 75 61 66 30 12 24 62 65 59 68 300mb GPH (m): 9235 9221 9238 9229 9162 9110 9070 9057 9032 9065 9088 9071 9086 9123 9143 300mb Temp (C): -45.1 -45.5 -41.7 -41.1 -44.7 -44.2 -48.0 -50.2 -51.1 -50.8 -50.2 -50.3 -51.3 -49.1 -48.2 300mb Dewpt(C): -48.7 -51.8 -52.0 -53.9 -55.2 -58.4 -55.3 -53.6 -54.9 -55.0 -56.2 -62.9 -58.8 -56.2 -59.4 300mb RH (%): 68 50 34 26 32 21 45 69 66 62 51 23 42 45 28 300mb Dir: 180 181 203 180 179 173 162 146 117 67 145 341 355 2 344 300mb Speed(kt): 48 50 77 75 86 92 79 78 41 27 11 30 67 67 70 250mb GPH (m): 10427 10421 10451 10443 10362 10314 10263 10230 10203 10231 10255 10248 10255 10296 10322 250mb Temp (C): -55.0 -51.4 -49.8 -50.5 -51.9 -51.0 -50.6 -52.7 -52.9 -54.4 -56.5 -53.5 -55.4 -57.6 -55.8 250mb Dewpt(C): -60.0 -65.0 -63.5 -58.6 -65.2 -66.7 -68.6 -69.8 -69.3 -67.6 -67.1 -72.1 -69.2 -61.6 -63.7 250mb RH (%): 56 20 21 40 21 16 12 13 14 20 28 10 19 63 39 250mb Dir: 177 204 204 180 176 172 169 168 118 81 261 335 1 7 354 250mb Speed(kt): 55 74 82 77 88 89 84 44 14 9 12 25 55 69 65 200mb GPH (m): 11822 11841 11874 11860 11789 11745 11711 11678 11655 11672 11688 11688 11680 11697 11721 200mb Temp (C): -60.3 -58.8 -60.5 -60.9 -54.7 -55.5 -51.5 -50.6 -49.4 -51.8 -51.8 -51.7 -53.0 -56.2 -61.0 200mb Dewpt(C): -71.3 -73.1 -72.1 -71.1 -76.0 -74.0 -79.9 -81.8 -86.0 -80.8 -80.3 -79.9 -82.9 -77.9 -70.8 200mb RH (%): 25 16 23 28 7 10 3 2 1 2 3 3 2 6 29 200mb Dir: 195 211 206 181 177 173 182 166 211 316 301 314 335 333 343 200mb Speed(kt): 45 78 77 74 60 70 42 19 9 12 21 23 28 33 58 150mb GPH (m): 13633 13648 13665 13659 13611 13589 13575 13557 13534 13543 13559 13556 13538 13545 13548 150mb Temp (C): -55.9 -57.2 -57.6 -56.6 -57.7 -53.0 -52.0 -49.9 -49.9 -50.6 -50.7 -50.6 -51.7 -52.3 -52.1 150mb Dewpt(C): -82.9 -86.5 -83.9 -83.5 -82.5 -88.2 -87.0 -80.9 -85.5 -81.4 -86.1 -86.0 -82.2 -82.7 -87.1 150mb RH (%): 3 2 3 3 4 1 1 2 1 2 1 1 2 2 1 150mb Dir: 207 215 211 181 177 188 183 210 257 269 293 293 308 311 308 150mb Speed(kt): 28 33 41 32 37 25 22 18 11 16 19 24 20 21 26 100mb GPH (m): 16197 16201 16217 16218 16183 16178 16177 16172 16150 16163 16173 16172 16153 16162 16165 100mb Temp (C): -58.6 -58.7 -59.1 -58.5 -57.1 -57.3 -55.8 -55.5 -55.6 -54.5 -54.9 -54.9 -54.9 -54.4 -54.0 100mb Dewpt(C): -91.7 -91.8 -92.1 -91.6 -86.3 -90.7 -89.7 -85.1 -89.6 -88.8 -84.6 -89.1 -89.1 -88.7 -84.0 100mb RH (%): 1 1 1 1 2 1 1 2 1 1 2 1 1 1 2 100mb Dir: 219 225 237 206 230 198 210 232 260 270 283 302 300 299 292 100mb Speed(kt): 21 21 18 25 22 16 22 15 12 17 17 19 19 18 16