Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z APR 21, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 985.9 985.1 985.8 986.9 985.1 984.6 987.1 990.2 993.0 996.0 995.9 996.9 995.2 995.3 994.3 Mean SLP (mb): 1009.8 1009.2 1010.2 1011.3 1009.5 1009.1 1011.7 1015.0 1017.7 1021.1 1021.0 1022.0 1019.9 1020.1 1019.2 2m agl Tmp (F): 62.9 58.7 51.8 51.5 53.1 48.1 46.1 45.4 48.5 43.2 41.4 42.4 50.0 47.3 45.2 2m agl Dewpt(F): 51.7 52.1 48.4 49.5 48.9 46.0 44.7 44.3 39.5 39.2 40.2 41.5 42.6 40.7 39.0 2m agl RH (%): 66 78 88 92 85 92 95 96 70 86 95 96 75 77 79 10m agl Dir: 192 282 314 281 287 289 248 220 245 222 210 208 240 256 265 10m agl Spd(kt): 5 5 2 4 7 8 9 13 13 8 7 6 5 2 3 6hr Precip (in): 0.00 0.00 0.03 0.07 0.01 0.03 0.16 0.59 0.09 0.02 0.05 0.05 0.02 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.03 0.10 0.11 0.14 0.31 0.90 0.99 1.01 1.06 1.10 1.12 1.12 1.12 Sfc CAPE (J/kg): 0.0 0.2 5.3 33.9 41.6 4.1 12.7 18.8 46.3 34.8 42.1 36.7 83.0 33.4 39.1 Sfc CINH (J/kg): -7.6 -0.7 0.0 0.0 0.0 0.0 0.0 -0.1 0.0 0.0 -0.1 0.0 0.0 0.0 -21.3 0-3km Hel(J/kg): 144.4 302.1 138.3 100.8 63.4 -5.9 92.1 429.2 243.9 201.8 212.9 62.6 72.6 54.5 33.8 Precip H20 (in): 0.85 0.97 0.90 0.76 0.74 0.71 0.72 0.68 0.35 0.37 0.41 0.44 0.49 0.43 0.39 Lifted Index(C): 1.9 -1.1 2.1 4.8 3.0 6.6 9.3 9.1 9.5 11.4 11.7 11.7 10.1 10.5 11.3 700mb VV(-ub/s): -2.5 -0.3 -1.6 -1.5 0.2 1.9 11.0 5.8 2.0 1.5 2.1 -0.5 -0.6 0.0 1.1 Thk1000-500mb(m)5531.6 5537.1 5499.8 5463.3 5454.5 5444.7 5415.6 5413.8 5413.6 5404.8 5396.6 5387.1 5392.0 5375.7 5343.0 Thk1000-850mb(m)1363.9 1358.4 1340.7 1334.1 1336.6 1330.2 1322.7 1319.1 1317.3 1307.4 1305.9 1307.9 1319.3 1316.6 1310.9 Thk850-700mb(m):1577.2 1585.2 1571.6 1558.1 1550.2 1547.1 1536.8 1535.0 1534.1 1531.3 1528.1 1522.8 1521.2 1518.8 1514.8 SWEAT Index: 52.1 226.8 129.8 88.5 86.4 75.4 95.3 110.0 115.6 86.3 97.2 74.2 92.3 109.0 95.1 Total Totals Idx 45.6 52.8 48.8 45.5 48.2 44.3 39.5 40.1 38.2 37.4 35.0 36.2 36.1 36.2 35.3 Frz Hgt(ft amsl) 9017 9517 8975 8000 6585 5919 4628 4420 3716 3171 3135 3336 4144 3855 3164 0WetBlbHgt(amsl) 8723 8409 7870 6792 6433 5780 4551 4377 3636 3109 3074 3291 3900 3712 3144 Equil Prs (mb): 488 985 986 834 696 985 830 832 797 820 831 818 707 691 646 Equil Hgt(amsl): 19018 26 26 5189 9889 26 5291 5305 6456 5781 5417 5859 9589 10151 11760 Hail Size(in): 0.00 0.28 0.00 0.00 -0.08 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Conv Wind Gust: 44.2 43.4 23.5 14.4 17.5 18.7 23.7 24.0 27.9 23.4 25.2 23.1 27.1 24.6 22.7 Showalter Index: 4.1 -1.1 2.2 5.1 3.8 6.1 9.5 9.5 11.4 12.1 13.6 12.8 12.0 12.0 12.9 Cap Strength(C): 2.3 -999.9 4.7 2.3 0.2 3.4 0.0 -0.3 4.0 6.1 2.6 0.0 -999.9 0.0 0.9 Storm Dir (deg): 208 181 193 195 242 353 333 327 326 341 351 3 1 14 16 Storm Spd (kts): 15 17 18 16 12 12 20 24 25 22 27 25 24 22 20 2m HeatIndex(F): 63 59 52 52 53 48 46 45 49 43 41 42 50 47 45 2m WindChill(F): 63 59 52 52 53 48 46 45 49 43 41 42 50 47 45 1000mb GPH (m): 83 77 85 94 79 75 96 122 146 171 170 178 164 165 156 950mb GPH (m): 518 510 511 520 506 499 518 543 568 589 587 596 586 586 576 950mb Temp (C): 13.8 12.2 8.1 7.6 8.2 6.6 5.7 4.9 5.4 2.7 2.6 2.8 5.2 4.8 3.6 950mb Dewpt(C): 8.8 9.1 7.6 7.3 7.9 6.4 5.4 4.6 2.4 2.5 2.3 2.6 3.9 3.7 2.7 950mb RH (%): 71 81 96 98 98 99 98 98 81 98 98 99 91 92 93 950mb Dir: 202 303 331 302 292 304 258 225 248 229 222 221 242 285 295 950mb Speed(kt): 5 11 6 6 10 16 19 27 22 19 19 16 7 4 5 900mb GPH (m): 972 961 957 963 950 941 959 982 1007 1024 1022 1031 1025 1024 1012 900mb Temp (C): 11.6 9.8 6.9 4.8 5.5 4.5 3.1 2.4 0.9 -0.4 -0.5 -0.1 1.6 0.7 -0.4 900mb Dewpt(C): 0.8 8.4 5.9 4.6 5.2 3.6 2.7 2.1 0.7 -0.7 -0.7 -0.3 0.8 0.6 -0.4 900mb RH (%): 47 91 94 98 99 93 98 98 98 98 98 99 95 99 100 900mb Dir: 251 345 294 335 322 323 275 246 249 250 249 256 270 326 329 900mb Speed(kt): 7 7 4 9 12 22 31 35 26 22 17 11 10 6 6 850mb GPH (m): 1447 1436 1425 1428 1415 1405 1419 1442 1463 1479 1476 1486 1483 1481 1467 850mb Temp (C): 9.5 9.0 5.2 2.9 2.7 2.6 -0.1 -0.6 -2.5 -3.3 -4.3 -3.5 -1.4 -1.4 -2.5 850mb Dewpt(C): -1.0 7.1 5.1 2.9 2.7 1.7 -0.4 -0.8 -3.3 -3.5 -4.4 -3.6 -2.8 -3.1 -4.7 850mb RH (%): 47 87 100 100 100 94 98 99 94 98 99 99 90 88 85 850mb Dir: 236 62 181 176 316 312 279 264 255 263 254 250 296 3 21 850mb Speed(kt): 6 9 9 2 9 20 32 38 33 22 15 4 11 14 10 800mb GPH (m): 1947 1937 1920 1918 1904 1893 1903 1925 1942 1955 1953 1964 1963 1962 1947 800mb Temp (C): 6.1 7.7 4.6 1.9 0.4 -0.6 -1.9 -2.1 -3.8 -5.0 -3.2 -4.4 -4.2 -3.7 -4.0 800mb Dewpt(C): -2.3 -0.7 1.4 0.1 0.3 -1.0 -2.5 -2.1 -10.5 -8.1 -5.9 -7.3 -6.1 -11.5 -15.1 800mb RH (%): 54 55 80 87 99 97 96 100 60 79 82 80 86 55 42 800mb Dir: 159 96 165 177 308 313 284 277 272 286 302 353 343 7 23 800mb Speed(kt): 6 14 16 13 10 22 28 36 29 16 15 14 17 22 14 750mb GPH (m): 2471 2465 2444 2437 2421 2407 2414 2436 2453 2465 2463 2470 2469 2468 2452 750mb Temp (C): 2.1 3.9 2.1 0.0 -1.7 -2.7 -4.1 -4.1 -2.9 -2.8 -3.8 -6.2 -7.2 -7.4 -8.3 750mb Dewpt(C): 0.4 -3.3 -2.7 -5.4 -4.6 -3.7 -4.9 -6.9 -32.8 -29.9 -21.3 -18.3 -10.6 -20.1 -16.6 750mb RH (%): 88 59 70 67 81 93 94 81 8 11 25 38 77 36 51 750mb Dir: 157 121 140 181 282 317 292 296 289 316 326 349 350 8 18 750mb Speed(kt): 17 17 23 20 5 20 27 34 33 28 37 27 26 22 15 700mb GPH (m): 3024 3021 2997 2986 2966 2952 2956 2977 2997 3010 3004 3009 3004 3000 2982 700mb Temp (C): -2.1 -1.1 -1.9 -3.2 -5.3 -4.4 -6.6 -7.3 -4.6 -4.5 -6.4 -6.5 -8.8 -10.8 -12.7 700mb Dewpt(C): -2.8 -4.1 -5.4 -10.8 -11.3 -12.3 -7.9 -13.5 -44.4 -45.7 -36.7 -31.9 -18.8 -28.5 -23.3 700mb RH (%): 95 80 77 56 63 54 90 61 3 3 7 12 45 22 41 700mb Dir: 161 140 160 178 229 324 298 307 303 322 325 336 340 359 7 700mb Speed(kt): 24 28 25 25 8 18 31 35 37 36 48 40 38 24 19 650mb GPH (m): 3609 3608 3582 3568 3544 3532 3531 3551 3576 3589 3582 3586 3577 3566 3543 650mb Temp (C): -5.9 -5.0 -5.7 -7.6 -7.5 -8.2 -10.2 -9.9 -7.8 -7.4 -7.8 -8.8 -10.2 -13.6 -16.3 650mb Dewpt(C): -7.2 -6.6 -8.9 -16.0 -19.6 -17.7 -11.9 -13.9 -48.9 -39.2 -32.4 -30.0 -24.8 -34.0 -24.1 650mb RH (%): 91 88 79 51 38 47 87 72 2 6 12 17 30 17 52 650mb Dir: 173 148 167 169 199 328 304 320 311 326 328 335 328 342 356 650mb Speed(kt): 29 34 32 27 19 15 27 31 38 41 55 49 50 31 29 600mb GPH (m): 4231 4231 4204 4184 4164 4147 4144 4165 4192 4207 4199 4200 4187 4172 4143 600mb Temp (C): -9.5 -9.5 -10.1 -11.9 -11.1 -12.1 -13.3 -12.2 -12.0 -11.1 -11.7 -12.8 -13.9 -15.0 -17.4 600mb Dewpt(C): -10.7 -10.6 -12.2 -18.6 -16.1 -16.0 -15.3 -15.9 -44.8 -37.1 -31.0 -26.5 -36.6 -43.3 -37.9 600mb RH (%): 91 92 85 58 67 73 85 74 5 10 19 31 13 8 16 600mb Dir: 181 155 163 168 168 354 323 336 320 331 333 342 339 342 339 600mb Speed(kt): 35 35 39 31 19 13 26 34 42 43 57 58 52 42 40 550mb GPH (m): 4898 4898 4870 4845 4824 4808 4802 4825 4851 4868 4859 4858 4846 4830 4792 550mb Temp (C): -14.0 -14.2 -14.3 -15.9 -16.3 -15.8 -17.2 -16.0 -16.4 -16.3 -16.6 -17.2 -16.6 -16.1 -18.5 550mb Dewpt(C): -15.9 -15.5 -15.8 -18.7 -23.6 -19.7 -19.1 -18.3 -47.2 -40.9 -31.9 -27.1 -29.3 -34.9 -47.2 550mb RH (%): 86 90 89 79 54 72 85 82 6 11 26 43 33 19 7 550mb Dir: 178 161 163 161 182 29 345 343 325 340 337 340 335 338 337 550mb Speed(kt): 37 38 47 36 29 4 30 37 48 40 62 65 64 63 58 500mb GPH (m): 5615 5614 5584 5557 5533 5520 5512 5536 5559 5576 5567 5565 5556 5541 5499 500mb Temp (C): -18.6 -18.4 -19.3 -19.8 -21.4 -20.0 -19.9 -20.7 -22.0 -22.1 -21.9 -21.6 -20.2 -20.4 -21.3 500mb Dewpt(C): -20.6 -20.1 -20.4 -21.4 -25.9 -22.1 -22.2 -22.9 -47.1 -36.6 -32.6 -31.1 -35.4 -35.1 -42.0 500mb RH (%): 84 87 91 87 67 84 83 83 9 27 38 43 25 27 15 500mb Dir: 176 170 161 138 188 108 13 346 324 329 338 335 331 336 339 500mb Speed(kt): 40 48 50 48 36 15 31 35 50 42 67 66 71 80 75 450mb GPH (m): 6392 6392 6359 6330 6301 6293 6285 6306 6325 6341 6333 6332 6327 6309 6267 450mb Temp (C): -23.9 -24.4 -25.3 -26.2 -26.9 -25.2 -25.5 -26.5 -27.9 -27.7 -27.7 -27.8 -26.0 -27.4 -27.3 450mb Dewpt(C): -26.3 -26.1 -26.8 -28.3 -29.9 -27.4 -28.1 -29.3 -51.0 -44.5 -42.6 -38.0 -46.9 -36.9 -40.6 450mb RH (%): 81 85 88 83 76 83 79 78 10 20 24 38 13 41 28 450mb Dir: 177 170 158 139 152 138 29 354 315 335 333 340 337 342 342 450mb Speed(kt): 46 42 50 47 32 32 27 33 50 54 64 69 73 77 81 400mb GPH (m): 7240 7235 7199 7168 7141 7136 7127 7146 7161 7175 7166 7165 7165 7143 7103 400mb Temp (C): -30.6 -32.3 -33.1 -33.8 -32.4 -32.1 -32.1 -32.5 -32.9 -34.8 -35.3 -35.0 -33.8 -34.4 -33.8 400mb Dewpt(C): -34.9 -32.8 -34.8 -36.7 -35.4 -37.8 -35.2 -35.6 -56.0 -48.7 -47.0 -49.2 -50.2 -45.2 -47.0 400mb RH (%): 67 95 86 75 75 58 75 74 9 24 31 24 19 34 27 400mb Dir: 175 176 166 151 144 145 43 6 296 351 346 342 346 351 344 400mb Speed(kt): 46 49 54 45 47 48 22 28 52 62 62 69 72 76 84 350mb GPH (m): 8176 8165 8127 8091 8064 8060 8052 8072 8085 8088 8079 8080 8084 8063 8024 350mb Temp (C): -35.4 -37.1 -37.4 -39.5 -41.2 -41.0 -40.7 -39.5 -40.8 -43.6 -43.2 -43.0 -41.7 -40.9 -40.4 350mb Dewpt(C): -48.6 -43.0 -47.1 -48.2 -44.8 -46.3 -44.3 -43.1 -56.4 -51.7 -56.2 -55.8 -59.2 -57.6 -57.4 350mb RH (%): 26 56 37 41 69 58 69 70 19 42 24 25 15 16 16 350mb Dir: 202 186 174 176 154 135 71 16 276 331 343 350 345 348 343 350mb Speed(kt): 59 66 71 70 51 43 22 26 46 59 63 73 72 76 83 300mb GPH (m): 9239 9221 9178 9137 9090 9088 9078 9105 9113 9104 9096 9101 9111 9097 9059 300mb Temp (C): -40.8 -41.9 -43.8 -44.0 -49.3 -50.1 -50.8 -49.0 -49.7 -51.9 -52.3 -50.6 -48.8 -47.7 -46.9 300mb Dewpt(C): -58.3 -61.0 -55.1 -55.0 -55.1 -54.0 -54.4 -52.7 -55.1 -60.1 -59.1 -58.6 -61.1 -63.1 -65.3 300mb RH (%): 15 12 30 30 53 65 67 67 55 39 46 40 25 17 12 300mb Dir: 207 187 174 170 169 110 75 25 247 345 344 348 345 341 344 300mb Speed(kt): 81 80 82 86 68 45 25 24 23 50 69 78 77 76 79 250mb GPH (m): 10455 10433 10378 10338 10277 10255 10238 10271 10280 10267 10256 10267 10287 10277 10249 250mb Temp (C): -49.7 -50.4 -52.7 -52.0 -51.3 -54.6 -56.4 -59.5 -56.3 -56.3 -57.0 -57.4 -56.1 -55.0 -52.8 250mb Dewpt(C): -63.3 -67.2 -62.5 -63.2 -68.7 -66.2 -64.9 -63.5 -65.0 -68.0 -67.5 -64.6 -64.6 -66.6 -69.6 250mb RH (%): 21 14 32 27 12 25 36 62 35 24 28 42 36 25 13 250mb Dir: 203 183 176 170 169 147 84 36 270 324 344 354 350 340 339 250mb Speed(kt): 78 82 85 90 79 37 25 20 21 38 63 78 75 70 61 200mb GPH (m): 11876 11855 11794 11759 11721 11695 11675 11687 11702 11692 11674 11679 11695 11694 11676 200mb Temp (C): -60.8 -58.5 -57.9 -56.8 -52.1 -51.7 -50.7 -51.5 -52.2 -51.8 -53.5 -55.2 -56.5 -53.3 -54.6 200mb Dewpt(C): -71.8 -75.2 -73.5 -75.1 -78.7 -82.4 -81.3 -82.2 -82.8 -79.8 -80.1 -78.7 -76.6 -79.3 -80.6 200mb RH (%): 25 12 14 10 4 2 2 2 2 3 3 5 8 4 4 200mb Dir: 204 182 178 177 173 166 185 307 282 301 315 328 336 341 347 200mb Speed(kt): 74 63 63 67 45 25 10 15 20 29 40 40 45 36 37 150mb GPH (m): 13665 13662 13613 13594 13585 13567 13551 13557 13567 13567 13544 13543 13545 13546 13524 150mb Temp (C): -56.8 -57.2 -56.5 -54.5 -51.9 -50.5 -50.6 -51.1 -51.3 -50.1 -50.3 -50.0 -51.2 -51.6 -53.1 150mb Dewpt(C): -83.9 -82.2 -85.9 -84.8 -86.9 -81.3 -86.0 -86.4 -86.5 -81.1 -81.2 -81.0 -86.4 -86.7 -83.3 150mb RH (%): 3 4 2 2 1 2 1 1 1 2 2 2 1 1 2 150mb Dir: 217 184 179 184 182 202 236 254 282 292 295 303 308 324 328 150mb Speed(kt): 34 38 37 29 26 20 11 14 18 18 22 23 22 17 19 100mb GPH (m): 16216 16221 16189 16185 16190 16179 16164 16169 16179 16178 16164 16169 16173 16169 16144 100mb Temp (C): -58.5 -57.4 -57.3 -57.6 -57.4 -55.6 -55.6 -55.3 -54.3 -55.1 -54.6 -55.0 -53.4 -53.0 -53.1 100mb Dewpt(C): -91.6 -90.8 -86.4 -86.7 -86.5 -89.5 -85.1 -89.3 -88.6 -89.2 -88.8 -84.7 -83.5 -87.7 -83.3 100mb RH (%): 1 1 2 2 2 1 2 1 1 1 1 2 2 1 2 100mb Dir: 224 229 234 198 211 230 245 241 273 288 306 305 299 274 276 100mb Speed(kt): 20 22 16 19 23 17 14 14 16 16 16 16 18 12 8