Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAR 4, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 987.0 987.6 991.5 996.4 1000.7 1003.3 1003.5 1003.3 1001.5 1001.4 1001.2 1002.6 1002.6 1003.8 1001.8 Mean SLP (mb): 1011.6 1012.2 1016.2 1021.4 1025.9 1028.6 1028.7 1028.6 1026.7 1026.6 1026.3 1027.7 1027.7 1028.8 1026.7 2m agl Tmp (F): 48.3 47.4 47.5 45.2 41.7 41.4 42.9 42.5 41.6 42.5 44.0 44.5 44.8 46.1 47.9 2m agl Dewpt(F): 45.7 46.6 42.5 44.1 39.8 40.8 42.4 41.8 40.8 41.8 43.5 44.1 44.4 45.7 47.5 2m agl RH (%): 90 97 82 96 93 97 98 98 97 97 98 98 98 98 99 10m agl Dir: 144 217 240 278 261 231 227 208 185 194 180 194 197 190 196 10m agl Spd(kt): 6 9 8 8 8 6 5 6 7 7 5 4 4 4 4 6hr Precip (in): 0.00 0.34 0.29 0.07 0.04 0.06 0.10 0.08 0.22 0.32 0.13 0.17 0.13 0.09 0.06 AccumPrecip(in): 0.00 0.34 0.63 0.70 0.74 0.80 0.90 0.98 1.20 1.52 1.65 1.83 1.96 2.04 2.10 Sfc CAPE (J/kg): 14.7 274.3 100.6 42.8 47.2 58.9 19.0 0.8 0.6 2.6 0.7 0.3 0.7 0.9 2.4 Sfc CINH (J/kg): -1.5 0.0 -11.5 -0.4 0.0 0.0 -0.8 -3.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0-3km Hel(J/kg): 178.8 38.8 68.3 88.4 171.9 200.9 201.2 222.0 320.9 263.5 287.4 381.1 257.2 198.5 202.0 Precip H20 (in): 0.75 0.64 0.51 0.51 0.43 0.52 0.51 0.71 0.76 0.82 0.93 1.03 1.02 0.71 0.71 Lifted Index(C): 2.8 -1.8 0.7 3.2 9.6 10.4 11.8 9.5 9.6 12.1 11.4 10.2 8.2 7.6 11.4 700mb VV(-ub/s): 21.4 11.6 -2.1 0.6 0.4 1.9 -2.4 -2.7 1.8 1.8 -2.1 -1.0 -0.1 -1.9 0.5 Thk1000-500mb(m)5412.3 5354.8 5332.2 5357.8 5359.3 5354.7 5375.6 5404.4 5421.6 5447.6 5488.0 5516.0 5533.6 5536.8 5538.0 Thk1000-850mb(m)1330.4 1324.4 1319.6 1316.1 1303.3 1303.0 1310.8 1311.1 1314.8 1318.0 1323.2 1326.1 1326.8 1329.1 1330.3 Thk850-700mb(m):1539.0 1527.4 1518.8 1526.7 1521.7 1515.6 1522.1 1538.0 1539.5 1538.9 1554.3 1566.0 1576.4 1579.6 1575.9 SWEAT Index: 159.4 255.4 198.0 113.2 96.8 96.0 97.5 79.8 102.3 84.8 106.0 123.4 132.9 126.9 106.4 Total Totals Idx 51.4 58.0 55.8 50.6 40.2 38.5 36.0 39.9 39.1 33.9 33.2 35.1 36.5 38.8 33.8 Frz Hgt(ft amsl) 5675 4476 4106 4114 2953 3023 3776 3917 4860 5045 8419 9487 10728 11189 11136 0WetBlbHgt(amsl) 5617 4430 4051 3938 2899 2971 3722 3823 4764 4993 8376 9327 10319 7514 6586 Equil Prs (mb): 987 425 494 812 832 785 797 1003 1001 1001 1001 1003 1003 1004 1002 Equil Hgt(amsl): 26 21608 18200 6090 5527 7081 6740 26 26 26 26 26 26 26 26 Hail Size(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 Conv Wind Gust: 24.0 27.2 27.7 23.0 23.8 24.5 22.6 22.3 20.3 21.0 9.0 10.9 11.2 9.4 18.2 Showalter Index: 2.8 0.5 2.1 4.8 10.9 11.9 12.5 10.1 9.8 12.3 11.9 10.3 9.0 7.6 10.9 Cap Strength(C):-999.9 -1.3 0.0 0.0 0.0 0.0 0.0 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 246 263 309 346 345 345 349 341 325 331 349 357 357 336 318 Storm Spd (kts): 22 17 14 19 25 25 23 22 23 20 22 25 25 21 23 2m HeatIndex(F): 48 47 47 45 42 41 43 42 42 42 44 45 45 46 48 2m WindChill(F): 48 47 47 45 42 41 43 42 42 42 44 45 45 46 48 1000mb GPH (m): 96 100 133 174 210 230 232 231 215 215 213 225 225 235 218 950mb GPH (m): 520 523 556 595 626 646 651 649 633 633 633 646 647 656 641 950mb Temp (C): 7.1 6.2 5.5 4.4 1.9 2.1 3.2 3.3 3.7 4.3 5.3 5.9 5.9 5.7 6.4 950mb Dewpt(C): 6.8 6.0 4.2 4.2 1.7 1.9 2.9 3.1 3.5 4.0 5.0 5.7 5.6 5.5 6.2 950mb RH (%): 98 99 91 99 98 98 98 98 98 98 98 98 98 98 98 950mb Dir: 180 221 244 302 281 252 250 227 208 210 209 221 234 223 220 950mb Speed(kt): 15 20 15 20 19 15 15 20 25 23 21 20 13 12 15 900mb GPH (m): 963 964 995 1032 1060 1080 1087 1085 1071 1072 1074 1087 1087 1097 1083 900mb Temp (C): 4.6 3.4 1.9 1.6 -1.1 -1.2 0.4 0.5 1.9 2.9 3.5 4.1 3.8 4.5 4.2 900mb Dewpt(C): 4.2 3.2 1.7 0.8 -1.3 -1.5 0.2 0.2 1.7 2.7 3.2 3.8 3.5 4.3 4.0 900mb RH (%): 98 98 98 94 98 98 98 98 98 99 98 98 98 98 98 900mb Dir: 204 246 254 317 303 281 279 241 243 243 248 245 260 235 251 900mb Speed(kt): 25 24 20 27 21 18 15 12 24 19 16 14 11 11 15 850mb GPH (m): 1426 1425 1453 1491 1513 1533 1543 1542 1530 1533 1537 1551 1552 1564 1549 850mb Temp (C): 1.7 -0.5 -1.5 -1.7 -4.0 -4.2 -2.6 -1.6 -0.2 0.0 1.6 2.8 4.1 4.8 4.1 850mb Dewpt(C): 1.5 -0.8 -1.8 -2.4 -4.8 -4.5 -2.8 -1.8 -0.5 -0.2 1.4 2.5 3.9 4.4 1.7 850mb RH (%): 98 98 98 95 94 98 99 99 98 99 98 98 98 98 84 850mb Dir: 216 254 266 301 303 287 285 261 263 269 268 268 300 286 269 850mb Speed(kt): 28 20 23 24 21 20 17 12 23 18 15 17 17 15 19 800mb GPH (m): 1912 1907 1933 1972 1989 2008 2021 2025 2014 2017 2024 2042 2047 2059 2043 800mb Temp (C): -1.0 -2.9 -4.8 -3.1 -4.3 -7.0 -5.2 -1.7 -1.6 -2.1 0.2 2.5 5.0 5.9 4.9 800mb Dewpt(C): -1.2 -3.2 -5.3 -5.7 -16.9 -7.2 -5.3 -1.7 -1.8 -2.3 0.0 2.2 4.7 -3.3 -6.8 800mb RH (%): 99 98 96 82 37 98 99 100 99 99 99 98 98 51 42 800mb Dir: 224 250 269 306 314 307 311 296 284 282 289 303 326 310 290 800mb Speed(kt): 30 21 25 22 32 22 21 21 26 23 15 22 30 29 31 750mb GPH (m): 2424 2415 2438 2480 2497 2512 2526 2537 2527 2529 2541 2564 2571 2586 2567 750mb Temp (C): -4.1 -5.9 -7.6 -5.7 -5.2 -7.2 -6.8 -4.0 -3.5 -4.0 0.2 1.6 2.5 4.3 3.4 750mb Dewpt(C): -4.4 -6.5 -9.5 -11.4 -41.4 -7.4 -9.1 -4.0 -3.7 -4.2 0.0 1.1 1.6 -12.3 -10.4 750mb RH (%): 98 96 86 64 4 99 84 100 98 98 99 96 94 29 35 750mb Dir: 228 246 269 314 315 316 318 316 290 298 318 328 330 316 294 750mb Speed(kt): 32 22 24 27 36 36 29 30 25 23 26 35 39 34 39 700mb GPH (m): 2965 2952 2971 3017 3035 3049 3065 3080 3070 3072 3091 3117 3128 3143 3125 700mb Temp (C): -7.1 -9.5 -10.3 -8.9 -8.5 -8.0 -7.4 -5.8 -6.1 -5.1 -3.9 -1.1 0.7 1.4 1.4 700mb Dewpt(C): -7.5 -10.5 -20.5 -17.1 -37.4 -10.1 -22.7 -8.2 -6.4 -5.4 -4.2 -1.6 -0.5 -9.5 -6.3 700mb RH (%): 98 93 43 51 8 85 29 83 97 98 98 97 92 44 56 700mb Dir: 226 243 278 318 317 319 322 321 299 302 324 337 330 316 290 700mb Speed(kt): 35 23 21 28 37 42 39 32 28 26 34 46 48 39 44 650mb GPH (m): 3539 3521 3537 3587 3604 3620 3638 3657 3646 3653 3675 3707 3721 3736 3718 650mb Temp (C): -10.4 -13.3 -14.2 -12.4 -11.7 -11.3 -10.9 -9.5 -9.2 -6.9 -5.5 -3.2 -2.1 -1.7 -1.7 650mb Dewpt(C): -10.9 -14.5 -22.4 -22.5 -15.7 -24.2 -21.6 -11.9 -9.8 -7.4 -6.3 -3.7 -5.0 -15.6 -10.2 650mb RH (%): 96 91 50 43 72 34 42 82 95 96 94 96 80 34 52 650mb Dir: 224 240 291 322 321 321 324 329 309 312 328 340 331 313 292 650mb Speed(kt): 38 23 19 29 42 45 40 36 34 31 38 53 51 44 46 600mb GPH (m): 4151 4124 4139 4193 4215 4230 4248 4271 4262 4275 4300 4337 4353 4368 4350 600mb Temp (C): -14.4 -17.7 -18.5 -17.0 -14.2 -15.2 -15.3 -12.7 -11.6 -9.8 -7.3 -6.2 -5.5 -5.4 -5.6 600mb Dewpt(C): -15.3 -19.4 -26.3 -28.6 -17.9 -29.1 -20.6 -15.3 -13.4 -11.1 -10.0 -7.3 -10.5 -22.3 -18.5 600mb RH (%): 93 87 51 36 74 30 64 81 86 90 81 92 68 26 36 600mb Dir: 220 243 298 324 326 325 325 323 319 321 332 342 335 311 295 600mb Speed(kt): 33 20 16 29 48 55 42 44 42 35 41 54 59 47 44 550mb GPH (m): 4805 4768 4780 4839 4868 4882 4900 4929 4924 4942 4975 5013 5030 5045 5026 550mb Temp (C): -18.4 -23.6 -24.5 -21.7 -19.5 -18.8 -18.2 -17.9 -15.5 -13.0 -10.6 -10.1 -9.7 -9.9 -9.3 550mb Dewpt(C): -19.2 -24.5 -28.8 -38.4 -23.2 -31.0 -34.7 -20.8 -18.1 -15.3 -13.3 -12.0 -15.1 -22.9 -28.4 550mb RH (%): 93 92 68 21 73 34 23 78 81 83 80 86 65 34 20 550mb Dir: 213 235 314 324 326 326 329 323 321 330 339 342 336 313 299 550mb Speed(kt): 33 23 13 30 47 57 48 47 46 42 51 55 58 42 43 500mb GPH (m): 5508 5455 5465 5532 5569 5585 5608 5635 5637 5663 5701 5741 5759 5772 5756 500mb Temp (C): -24.1 -29.6 -29.5 -27.3 -24.6 -23.6 -20.6 -21.6 -19.9 -17.0 -15.1 -14.9 -14.3 -14.8 -14.0 500mb Dewpt(C): -25.0 -31.6 -37.3 -42.0 -28.0 -29.3 -55.4 -24.5 -22.2 -21.5 -18.0 -17.8 -20.1 -26.9 -27.3 500mb RH (%): 92 83 48 25 74 60 3 78 82 68 79 79 62 35 32 500mb Dir: 210 204 336 328 319 329 337 327 320 334 345 343 340 315 307 500mb Speed(kt): 38 36 16 34 55 57 62 55 56 49 60 59 51 43 48 450mb GPH (m): 6267 6198 6208 6282 6325 6348 6378 6403 6411 6445 6489 6530 6548 6561 6546 450mb Temp (C): -30.5 -34.9 -34.9 -32.5 -31.5 -28.1 -26.7 -26.9 -24.7 -21.8 -20.4 -20.3 -20.5 -20.0 -19.5 450mb Dewpt(C): -31.4 -45.1 -43.2 -51.4 -35.2 -37.6 -46.6 -30.3 -27.7 -25.2 -24.2 -23.7 -27.2 -36.6 -30.0 450mb RH (%): 92 36 44 15 70 41 14 73 77 75 71 74 56 22 40 450mb Dir: 213 197 344 336 322 326 338 325 327 338 347 341 337 309 306 450mb Speed(kt): 52 34 26 45 56 57 74 66 67 64 66 61 45 46 46 400mb GPH (m): 7094 7009 7019 7102 7149 7182 7216 7242 7257 7301 7350 7390 7409 7424 7409 400mb Temp (C): -35.7 -40.1 -40.6 -38.0 -36.1 -34.4 -33.0 -32.3 -30.7 -28.1 -26.8 -27.1 -26.4 -25.7 -26.2 400mb Dewpt(C): -45.7 -57.6 -53.7 -54.4 -52.5 -46.8 -55.5 -35.9 -34.2 -33.1 -30.6 -31.6 -31.6 -41.6 -42.2 400mb RH (%): 37 15 25 18 18 29 10 71 72 63 71 67 62 22 22 400mb Dir: 209 202 334 344 329 325 337 337 333 343 343 342 335 314 304 400mb Speed(kt): 61 32 22 63 62 58 69 77 70 72 71 61 46 44 55 350mb GPH (m): 8008 7911 7917 8006 8064 8101 8142 8173 8192 8245 8300 8337 8359 8375 8360 350mb Temp (C): -42.4 -44.2 -45.3 -44.9 -42.1 -40.8 -39.2 -38.5 -36.9 -35.3 -33.3 -34.0 -33.1 -34.0 -33.7 350mb Dewpt(C): -55.8 -66.0 -64.1 -56.1 -62.7 -59.2 -63.4 -42.3 -43.2 -39.0 -39.4 -38.6 -38.0 -38.9 -38.1 350mb RH (%): 23 8 12 29 10 14 7 69 54 70 55 64 62 62 65 350mb Dir: 206 205 319 346 336 333 338 336 339 345 346 339 335 321 307 350mb Speed(kt): 75 32 22 72 74 53 70 90 85 81 76 58 53 51 63 300mb GPH (m): 9036 8939 8939 9024 9088 9133 9181 9212 9240 9301 9363 9400 9423 9437 9423 300mb Temp (C): -48.0 -46.0 -47.4 -49.5 -50.0 -48.8 -47.4 -47.3 -45.3 -43.0 -42.1 -42.0 -42.2 -41.9 -41.4 300mb Dewpt(C): -56.8 -73.2 -70.2 -62.5 -64.4 -65.9 -65.8 -51.2 -52.0 -48.6 -46.8 -46.0 -47.1 -45.4 -46.4 300mb RH (%): 37 4 7 22 19 14 12 66 48 56 62 67 60 70 59 300mb Dir: 207 215 312 343 340 337 340 335 341 347 348 340 333 323 305 300mb Speed(kt): 87 35 25 69 80 57 80 100 108 96 82 68 58 48 55 250mb GPH (m): 10219 10144 10143 10208 10262 10304 10358 10389 10432 10502 10567 10606 10631 10644 10634 250mb Temp (C): -53.1 -47.6 -47.7 -52.5 -55.5 -58.2 -56.6 -57.4 -54.9 -53.6 -52.8 -51.9 -51.7 -52.3 -51.7 250mb Dewpt(C): -65.1 -76.0 -75.9 -71.3 -69.7 -68.6 -67.5 -63.0 -59.4 -59.9 -56.9 -56.1 -58.9 -55.7 -55.6 250mb RH (%): 24 3 3 10 17 28 27 51 59 48 63 62 44 68 64 250mb Dir: 213 230 312 337 329 338 343 339 340 347 346 342 328 323 303 250mb Speed(kt): 83 37 31 66 69 66 94 116 121 100 94 76 70 50 49 200mb GPH (m): 11662 11615 11613 11646 11671 11695 11748 11780 11821 11898 11966 12012 12036 12045 12038 200mb Temp (C): -52.2 -48.2 -48.2 -51.8 -57.1 -59.1 -62.1 -59.0 -62.9 -63.3 -64.4 -63.7 -63.8 -64.5 -64.5 200mb Dewpt(C): -84.6 -84.3 -84.5 -79.4 -77.7 -76.3 -75.5 -73.6 -68.9 -67.9 -71.0 -67.7 -68.1 -67.8 -67.8 200mb RH (%): 1 1 1 3 7 11 18 16 47 56 43 61 58 66 66 200mb Dir: 218 246 297 314 316 327 340 347 348 341 339 338 327 320 306 200mb Speed(kt): 48 40 33 46 47 49 77 73 110 91 102 92 78 63 62 150mb GPH (m): 13522 13497 13498 13513 13512 13513 13550 13578 13601 13648 13710 13769 13788 13798 13797 150mb Temp (C): -52.8 -51.0 -50.8 -51.2 -51.4 -53.5 -55.7 -59.7 -61.2 -62.5 -66.2 -60.9 -62.7 -61.9 -61.9 150mb Dewpt(C): -87.6 -86.3 -86.1 -86.4 -86.6 -87.5 -85.0 -85.5 -84.9 -83.3 -79.4 -84.5 -80.0 -81.7 -82.8 150mb RH (%): 1 1 1 1 1 1 2 3 4 6 17 4 10 7 6 150mb Dir: 249 260 282 295 300 300 317 330 346 348 351 340 336 317 305 150mb Speed(kt): 53 44 38 39 42 42 52 63 57 65 72 49 64 67 70 100mb GPH (m): 16115 16107 16109 16123 16107 16119 16132 16143 16140 16174 16211 16256 16265 16299 16300 100mb Temp (C): -56.2 -55.1 -54.7 -55.4 -56.9 -56.0 -56.4 -56.3 -58.5 -58.2 -61.4 -64.1 -66.8 -64.7 -65.1 100mb Dewpt(C): -85.6 -89.2 -88.9 -89.4 -90.5 -89.8 -91.5 -90.0 -91.6 -91.5 -89.5 -89.0 -89.0 -89.4 -89.8 100mb RH (%): 2 1 1 1 1 1 1 1 1 1 2 3 4 3 3 100mb Dir: 265 270 277 283 290 286 307 310 319 333 337 338 332 315 302 100mb Speed(kt): 47 42 42 37 38 32 29 30 44 41 40 52 54 47 49