Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z APR 21, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 985.5 985.7 985.6 986.6 988.7 991.6 993.7 996.4 996.8 998.9 996.3 996.4 994.9 993.4 989.4 Mean SLP (mb): 1010.0 1010.1 1009.9 1011.1 1013.5 1016.3 1018.5 1021.4 1021.9 1024.1 1020.9 1021.2 1019.8 1018.1 1013.7 2m agl Tmp (F): 49.9 50.8 51.9 49.1 45.3 46.5 47.9 43.8 41.9 42.6 52.2 49.3 45.8 52.9 59.2 2m agl Dewpt(F): 48.0 49.8 51.2 47.7 44.7 44.5 45.5 41.4 40.5 41.6 41.8 41.4 41.3 40.0 30.5 2m agl RH (%): 93 97 97 95 98 92 91 91 95 96 67 74 84 61 33 10m agl Dir: 323 252 262 274 245 226 233 226 215 208 248 269 327 61 55 10m agl Spd(kt): 1 4 4 6 8 10 10 9 9 6 5 3 3 3 6 6hr Precip (in): 0.00 0.26 0.15 0.06 0.02 0.05 0.19 0.02 0.06 0.06 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.26 0.41 0.47 0.49 0.54 0.73 0.75 0.81 0.87 0.87 0.87 0.87 0.87 0.87 Sfc CAPE (J/kg): 0.0 19.1 111.0 58.7 10.7 41.0 55.9 33.2 28.0 38.5 34.4 22.1 18.3 120.5 43.7 Sfc CINH (J/kg): -1.1 -0.7 0.0 0.0 -1.2 0.0 0.0 0.0 0.0 0.0 0.0 -0.3 -4.6 0.0 0.0 0-3km Hel(J/kg): 32.1 38.9 19.4 -42.0 136.7 189.7 248.3 276.7 271.2 63.9 90.8 33.3 58.8 2.6 -9.5 Precip H20 (in): 0.98 0.87 0.83 0.67 0.60 0.66 0.45 0.38 0.40 0.43 0.47 0.45 0.42 0.41 0.38 Lifted Index(C): 5.4 4.2 1.7 4.3 7.8 8.4 8.1 12.6 13.1 13.4 10.3 11.2 11.9 10.8 9.9 700mb VV(-ub/s): 15.2 -0.1 5.8 2.3 0.3 2.9 1.4 1.3 1.4 -0.9 -2.2 -1.1 -1.4 -3.0 -1.1 Thk1000-500mb(m)5497.3 5464.1 5446.1 5432.9 5411.7 5415.5 5442.3 5443.3 5431.5 5412.1 5434.0 5417.6 5395.4 5384.9 5405.3 Thk1000-850mb(m)1340.1 1337.4 1337.6 1329.4 1321.0 1319.9 1321.8 1310.7 1307.1 1307.8 1322.8 1320.9 1314.9 1321.4 1340.0 Thk850-700mb(m):1560.4 1552.3 1547.6 1541.9 1534.3 1534.9 1543.6 1547.3 1542.9 1533.8 1539.2 1531.9 1522.3 1515.8 1523.3 SWEAT Index: 108.9 93.3 90.2 47.2 72.4 85.8 97.3 85.1 82.3 50.9 64.1 68.6 80.9 88.4 60.7 Total Totals Idx 43.6 46.2 49.3 46.5 43.8 40.6 39.0 32.7 32.2 32.5 35.4 35.1 33.2 32.2 37.5 Frz Hgt(ft amsl) 7690 6813 6365 5316 4707 4359 4541 3571 3277 3516 4567 4501 3829 4490 5362 0WetBlbHgt(amsl) 7679 6587 6168 5192 4599 4315 4326 3484 3213 3487 4241 4162 3547 3684 4056 Equil Prs (mb): 986 830 639 767 849 817 809 841 840 831 792 827 699 641 641 Equil Hgt(amsl): 26 5307 12064 7342 4734 5816 6112 5161 5171 5509 6763 5628 9869 11972 11972 Hail Size(in): 0.00 0.00 -0.01 0.00 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: 22.2 15.4 18.9 19.9 22.5 23.0 25.4 24.7 23.9 19.8 26.5 24.6 24.1 28.3 40.7 Showalter Index: 5.2 4.5 3.4 5.4 7.3 9.3 10.1 14.2 14.9 14.5 12.1 12.3 13.4 13.8 10.6 Cap Strength(C):-999.9 -0.1 0.0 0.0 0.2 0.0 3.7 8.2 5.0 2.2 2.6 0.0 1.0 -999.9 -999.9 Storm Dir (deg): 179 196 280 332 333 317 326 335 344 357 2 9 14 30 34 Storm Spd (kts): 15 11 9 10 17 20 22 23 24 19 20 19 19 17 12 2m HeatIndex(F): 50 51 52 49 45 47 48 44 42 43 52 49 46 53 59 2m WindChill(F): 50 51 52 49 45 47 48 44 42 43 52 49 46 53 59 1000mb GPH (m): 82 84 83 92 111 134 152 174 177 195 173 174 162 149 114 950mb GPH (m): 508 509 510 516 532 555 574 592 595 612 596 597 582 572 544 950mb Temp (C): 8.2 7.9 8.7 6.8 5.1 5.1 5.5 3.5 2.7 2.7 6.3 5.8 4.7 6.0 10.5 950mb Dewpt(C): 8.1 7.7 8.5 6.6 4.9 4.9 5.3 3.2 2.4 2.5 3.8 3.7 2.2 2.5 -3.8 950mb RH (%): 99 99 98 99 99 99 98 98 98 99 84 86 84 78 36 950mb Dir: 301 272 278 287 257 231 236 231 223 222 251 299 349 67 64 950mb Speed(kt): 1 5 8 12 18 21 21 21 21 15 7 6 5 4 7 900mb GPH (m): 954 954 955 958 971 995 1014 1029 1030 1048 1036 1037 1020 1011 990 900mb Temp (C): 7.3 6.1 5.5 4.2 3.0 2.1 2.4 0.4 -0.2 0.2 2.1 1.5 0.4 1.8 6.1 900mb Dewpt(C): 7.2 5.9 4.9 3.4 1.7 1.9 2.0 0.1 -0.5 0.0 1.9 1.5 0.4 0.1 -5.0 900mb RH (%): 99 99 96 94 91 98 97 98 98 99 98 100 100 89 45 900mb Dir: 236 308 315 295 271 248 248 250 252 261 258 327 3 66 67 900mb Speed(kt): 4 7 17 18 26 30 26 23 21 10 7 6 6 6 8 850mb GPH (m): 1422 1421 1420 1421 1432 1454 1473 1484 1484 1503 1495 1495 1477 1470 1454 850mb Temp (C): 4.5 3.4 2.8 1.2 0.0 -0.8 -0.6 -2.7 -3.9 -3.5 -0.6 -0.6 -0.8 -0.5 1.6 850mb Dewpt(C): 4.5 3.2 2.1 0.8 -0.3 -0.9 -1.6 -3.4 -4.3 -3.6 -2.6 -2.4 -4.8 -7.2 -5.5 850mb RH (%): 100 99 95 98 97 99 93 95 97 99 87 87 74 60 59 850mb Dir: 219 273 319 294 277 263 256 254 266 263 321 350 18 86 71 850mb Speed(kt): 4 5 15 17 26 30 33 24 18 3 9 9 12 15 9 800mb GPH (m): 1914 1911 1909 1906 1915 1936 1957 1966 1964 1981 1977 1978 1959 1951 1938 800mb Temp (C): 1.8 0.7 0.2 -1.7 -2.0 -2.1 -1.7 -0.5 -0.6 -3.0 -2.6 -2.5 -3.0 -4.2 -2.8 800mb Dewpt(C): 1.8 0.1 -0.5 -2.4 -5.8 -5.6 -7.1 -18.4 -12.7 -8.3 -10.6 -9.0 -12.0 -9.6 -7.9 800mb RH (%): 100 95 95 95 75 77 66 25 40 67 54 61 50 66 68 800mb Dir: 187 253 317 291 285 273 273 284 310 347 345 11 16 77 84 800mb Speed(kt): 8 6 13 15 24 28 28 25 23 14 19 18 13 11 10 750mb GPH (m): 2433 2427 2423 2419 2426 2447 2471 2483 2480 2491 2489 2488 2466 2456 2445 750mb Temp (C): -0.4 -1.6 -2.6 -3.1 -4.4 -3.7 -1.5 0.2 -1.2 -3.4 -2.5 -4.3 -6.9 -8.4 -7.4 750mb Dewpt(C): -0.4 -1.9 -3.1 -8.6 -9.6 -15.5 -21.2 -34.0 -29.5 -22.9 -18.0 -22.4 -15.5 -12.1 -10.2 750mb RH (%): 100 98 97 66 67 39 21 6 10 21 30 23 51 75 80 750mb Dir: 159 203 320 303 299 283 297 307 318 345 341 8 3 56 117 750mb Speed(kt): 14 7 11 18 26 28 31 34 38 27 29 22 15 11 9 700mb GPH (m): 2983 2973 2968 2963 2966 2989 3017 3032 3027 3036 3035 3027 2999 2986 2977 700mb Temp (C): -2.7 -4.3 -5.6 -5.3 -7.0 -6.3 -4.0 -2.7 -2.3 -3.4 -4.3 -7.2 -11.0 -13.1 -11.7 700mb Dewpt(C): -2.8 -4.9 -5.7 -8.1 -11.1 -8.7 -25.3 -26.7 -28.1 -26.0 -20.1 -24.0 -17.1 -17.7 -13.8 700mb RH (%): 100 96 99 81 72 83 18 14 12 16 28 25 61 68 85 700mb Dir: 137 172 321 312 308 292 307 314 325 337 336 349 353 52 114 700mb Speed(kt): 21 11 5 18 25 32 32 36 46 38 37 28 21 12 8 650mb GPH (m): 3567 3555 3546 3541 3542 3565 3598 3615 3612 3618 3614 3602 3565 3549 3541 650mb Temp (C): -5.5 -7.7 -8.4 -8.2 -9.3 -9.3 -6.9 -6.0 -5.7 -7.4 -8.4 -9.4 -12.3 -13.8 -14.3 650mb Dewpt(C): -6.0 -9.4 -8.9 -13.8 -14.5 -9.9 -31.4 -30.4 -26.3 -24.6 -22.7 -27.7 -30.8 -45.1 -22.1 650mb RH (%): 96 88 96 64 66 95 13 13 18 24 31 22 20 6 52 650mb Dir: 124 158 219 320 322 303 316 325 328 333 335 336 342 3 47 650mb Speed(kt): 27 14 2 18 26 30 36 42 46 38 40 37 35 26 10 600mb GPH (m): 4191 4172 4162 4158 4156 4180 4218 4237 4233 4235 4229 4217 4178 4157 4149 600mb Temp (C): -8.9 -11.7 -12.3 -11.6 -12.4 -12.2 -10.2 -9.5 -10.3 -12.0 -11.7 -11.8 -11.5 -12.7 -13.5 600mb Dewpt(C): -10.0 -13.4 -14.0 -17.9 -22.1 -13.8 -36.8 -33.2 -28.7 -26.6 -25.7 -29.9 -34.1 -74.7 -67.3 600mb RH (%): 92 87 87 60 45 88 10 13 21 29 31 21 14 0 0 600mb Dir: 133 156 173 329 330 316 326 329 331 333 335 334 338 341 340 600mb Speed(kt): 39 17 8 15 26 28 36 48 43 37 45 41 46 47 25 550mb GPH (m): 4860 4834 4821 4818 4815 4840 4882 4902 4896 4895 4892 4877 4842 4820 4809 550mb Temp (C): -12.7 -15.0 -16.9 -16.9 -16.8 -16.3 -14.6 -14.0 -15.1 -15.8 -14.6 -15.3 -14.0 -14.4 -15.8 550mb Dewpt(C): -14.3 -17.3 -20.2 -27.6 -29.3 -21.4 -44.0 -36.3 -34.2 -39.8 -30.8 -28.8 -36.7 -44.9 -44.8 550mb RH (%): 88 83 76 40 34 65 7 14 19 11 25 31 13 6 7 550mb Dir: 147 152 166 324 339 319 334 330 329 332 338 331 338 342 334 550mb Speed(kt): 47 31 16 10 22 30 34 44 44 41 46 54 58 56 39 500mb GPH (m): 5580 5548 5529 5524 5522 5549 5594 5617 5609 5607 5607 5592 5557 5534 5519 500mb Temp (C): -17.3 -19.8 -22.2 -22.2 -22.1 -21.2 -20.6 -19.4 -20.2 -19.8 -19.3 -19.0 -19.4 -20.0 -20.7 500mb Dewpt(C): -19.2 -22.3 -26.1 -34.7 -31.8 -24.5 -48.0 -44.5 -36.7 -49.6 -34.4 -41.1 -39.2 -37.8 -38.5 500mb RH (%): 85 81 71 32 42 75 7 10 22 6 26 13 16 20 20 500mb Dir: 161 152 166 243 349 337 335 334 332 332 334 333 334 341 333 500mb Speed(kt): 47 44 28 2 20 26 32 38 46 45 46 50 57 59 43 450mb GPH (m): 6360 6322 6295 6289 6287 6319 6364 6389 6379 6379 6379 6365 6330 6304 6287 450mb Temp (C): -22.7 -25.3 -27.7 -28.4 -27.9 -26.2 -26.6 -26.6 -26.5 -25.9 -25.9 -25.7 -26.0 -26.8 -27.7 450mb Dewpt(C): -25.0 -27.6 -31.4 -34.6 -32.2 -29.5 -50.7 -48.0 -37.6 -42.5 -39.8 -47.7 -46.5 -44.7 -43.3 450mb RH (%): 82 82 71 56 67 74 9 12 36 21 27 12 14 18 22 450mb Dir: 165 142 168 160 354 360 338 343 338 331 333 335 333 338 331 450mb Speed(kt): 47 46 37 17 18 21 30 32 50 47 48 44 55 56 41 400mb GPH (m): 7213 7162 7131 7125 7120 7159 7200 7225 7216 7218 7219 7205 7169 7142 7120 400mb Temp (C): -29.5 -32.9 -33.3 -33.0 -34.5 -33.0 -33.8 -34.5 -33.8 -33.2 -33.0 -32.7 -33.1 -33.2 -34.7 400mb Dewpt(C): -32.5 -35.3 -36.7 -36.5 -38.0 -35.8 -43.4 -50.6 -44.0 -42.0 -45.1 -51.1 -50.2 -49.4 -47.8 400mb RH (%): 76 80 72 72 72 76 38 19 36 42 30 15 18 19 26 400mb Dir: 166 146 155 139 179 13 327 349 338 334 332 338 332 335 323 400mb Speed(kt): 48 47 46 38 10 14 31 36 49 48 50 49 55 57 43 350mb GPH (m): 8147 8085 8051 8046 8040 8081 8121 8140 8134 8139 8142 8130 8093 8063 8038 350mb Temp (C): -38.6 -39.7 -42.1 -41.6 -41.5 -41.2 -41.3 -43.1 -42.2 -41.4 -40.5 -40.0 -40.3 -40.9 -41.9 350mb Dewpt(C): -42.2 -45.1 -45.7 -45.3 -45.1 -44.8 -49.3 -50.5 -50.6 -45.9 -52.4 -57.5 -55.1 -55.7 -55.2 350mb RH (%): 69 58 69 69 69 69 44 46 41 63 28 15 21 20 24 350mb Dir: 168 167 149 149 116 39 294 354 339 336 334 336 333 332 323 350mb Speed(kt): 52 66 48 55 26 11 41 40 38 53 52 53 57 57 45 300mb GPH (m): 9191 9130 9074 9069 9065 9106 9148 9157 9156 9164 9175 9165 9125 9096 9067 300mb Temp (C): -45.0 -44.4 -49.6 -51.2 -50.9 -51.1 -50.5 -52.4 -51.4 -50.0 -48.1 -48.1 -48.0 -47.8 -47.7 300mb Dewpt(C): -52.9 -58.7 -54.4 -54.9 -54.7 -54.7 -54.3 -57.2 -57.3 -55.2 -56.2 -59.9 -62.3 -62.4 -63.3 300mb RH (%): 43 21 59 66 66 67 66 58 51 56 41 26 20 19 17 300mb Dir: 179 167 163 147 92 67 261 344 341 341 338 335 327 328 321 300mb Speed(kt): 73 91 66 59 32 16 17 39 46 56 54 57 64 57 41 250mb GPH (m): 10388 10330 10259 10245 10227 10266 10306 10316 10315 10333 10352 10342 10306 10279 10256 250mb Temp (C): -52.6 -51.9 -50.9 -52.0 -54.8 -56.9 -58.7 -58.7 -59.5 -58.5 -56.7 -56.3 -55.4 -54.7 -53.4 250mb Dewpt(C): -64.8 -64.5 -69.9 -71.7 -66.3 -64.9 -64.7 -68.3 -63.9 -61.8 -63.6 -66.0 -65.9 -68.3 -67.8 250mb RH (%): 24 23 10 9 25 38 48 31 59 67 44 31 28 19 18 250mb Dir: 177 165 168 155 108 97 213 312 340 353 338 335 325 327 315 250mb Speed(kt): 84 90 60 30 22 20 10 32 48 53 46 59 67 40 39 200mb GPH (m): 11813 11756 11715 11689 11674 11691 11715 11719 11705 11719 11738 11735 11705 11687 11672 200mb Temp (C): -56.1 -55.0 -50.5 -50.8 -50.2 -52.4 -53.9 -55.7 -57.7 -59.1 -61.9 -64.1 -60.4 -58.5 -56.9 200mb Dewpt(C): -73.8 -77.4 -87.0 -81.5 -81.2 -82.6 -81.1 -74.0 -78.2 -76.1 -71.5 -69.6 -70.8 -71.5 -71.9 200mb RH (%): 11 6 1 2 2 2 3 10 7 11 29 50 27 20 15 200mb Dir: 175 174 170 161 243 308 277 295 326 330 319 323 311 316 307 200mb Speed(kt): 50 62 32 22 6 7 20 29 37 40 45 52 41 35 32 150mb GPH (m): 13626 13593 13584 13567 13553 13560 13574 13575 13554 13555 13560 13553 13527 13525 13525 150mb Temp (C): -57.2 -53.8 -51.7 -50.5 -50.8 -51.4 -52.1 -51.2 -51.2 -52.1 -52.2 -53.4 -54.5 -53.9 -51.4 150mb Dewpt(C): -84.1 -88.7 -82.2 -85.9 -86.1 -86.6 -82.5 -81.9 -86.4 -87.1 -87.1 -88.1 -84.3 -88.4 -86.5 150mb RH (%): 3 1 2 1 1 1 2 2 1 1 1 1 2 1 1 150mb Dir: 184 195 178 207 238 280 279 281 291 304 299 305 308 317 287 150mb Speed(kt): 34 27 17 18 8 14 20 22 27 26 27 28 23 17 14 100mb GPH (m): 16201 16183 16183 16181 16164 16168 16178 16178 16167 16172 16174 16167 16139 16136 16140 100mb Temp (C): -58.1 -57.6 -56.3 -55.0 -56.0 -55.9 -55.2 -55.6 -55.7 -55.0 -53.7 -53.2 -53.0 -53.9 -53.5 100mb Dewpt(C): -91.3 -91.0 -85.7 -89.2 -85.4 -89.8 -98.5 -89.6 -85.2 -89.1 -83.7 -83.3 -83.2 -83.8 -83.6 100mb RH (%): 1 1 2 1 2 1 0 1 2 1 2 2 2 2 2 100mb Dir: 225 186 219 222 248 248 290 278 298 304 277 277 282 266 270 100mb Speed(kt): 17 19 26 13 12 17 12 18 19 20 18 15 10 11 8