Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 23, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 989.4 992.6 991.5 993.0 993.6 992.3 988.8 987.3 985.4 984.6 985.8 987.6 987.4 989.7 991.4 Mean SLP (mb): 1014.0 1017.1 1015.5 1017.5 1018.3 1016.7 1012.6 1011.2 1009.7 1008.9 1010.2 1012.2 1012.0 1014.4 1015.9 2m agl Tmp (F): 50.3 52.7 62.8 51.8 46.9 58.7 70.0 62.9 53.9 55.2 49.3 47.5 45.6 48.0 53.2 2m agl Dewpt(F): 47.4 46.8 50.7 45.7 44.2 48.2 44.4 43.1 40.9 46.3 47.9 44.8 44.5 46.9 47.7 2m agl RH (%): 90 80 64 79 90 68 39 47 61 71 95 90 96 96 81 10m agl Dir: 285 293 306 293 291 261 239 157 177 209 203 214 186 194 230 10m agl Spd(kt): 0 5 7 4 0 2 3 3 5 9 8 7 7 4 3 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.19 0.09 0.06 0.06 0.03 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.19 0.28 0.34 0.40 0.43 Sfc CAPE (J/kg): 8.0 8.2 1.6 0.0 0.8 0.0 0.0 0.0 0.0 10.7 63.6 112.2 21.3 90.1 111.0 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 -1.3 0.0 0.0 0.0 0.0 0.0 -0.1 0.0 -5.4 -13.5 -3.5 0-3km Hel(J/kg): 65.4 23.7 1.2 15.7 40.4 67.9 113.1 99.8 165.5 158.6 119.5 69.2 100.8 32.9 82.8 Precip H20 (in): 0.69 0.50 0.67 0.58 0.47 0.51 0.51 0.60 0.50 0.70 0.66 0.61 0.64 0.64 0.64 Lifted Index(C): 5.7 9.4 6.3 8.4 13.6 12.5 10.8 8.8 12.0 13.0 7.2 7.5 2.4 1.6 2.8 700mb VV(-ub/s): 0.9 -1.3 -0.9 -1.1 -0.6 0.0 0.3 1.0 2.1 6.0 5.7 1.2 1.8 -1.5 -0.4 Thk1000-500mb(m)5572.2 5559.0 5581.9 5574.5 5570.2 5588.9 5621.0 5613.6 5571.1 5514.1 5427.8 5384.5 5360.3 5367.6 5397.9 Thk1000-850mb(m)1344.5 1340.3 1356.4 1348.3 1340.8 1352.8 1373.4 1369.6 1352.2 1337.7 1330.3 1322.3 1322.6 1323.3 1331.0 Thk850-700mb(m):1583.0 1588.1 1594.2 1592.7 1589.5 1589.2 1595.7 1592.3 1583.1 1558.9 1539.0 1525.0 1529.0 1530.5 1538.8 SWEAT Index: 77.9 39.3 50.2 55.2 51.5 47.8 105.4 84.3 142.4 125.9 135.7 60.7 121.5 102.2 39.0 Total Totals Idx 40.4 33.3 33.8 37.1 18.0 17.9 25.4 25.3 26.8 26.7 41.3 40.4 52.7 52.4 48.9 Frz Hgt(ft amsl) 11691 11500 11510 11647 11548 11759 11854 11462 10494 7619 5345 4403 4580 4637 5658 0WetBlbHgt(amsl) 7334 5959 9006 7835 5506 6249 8037 7799 7546 5373 5279 4206 4527 4464 5127 Equil Prs (mb): 989 993 992 993 994 992 989 987 985 985 644 659 780 510 513 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 26 26 11810 11201 6916 17530 17517 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: 4.2 48.7 43.9 47.3 51.5 55.2 60.3 49.7 60.0 31.5 27.0 21.8 20.7 23.1 30.5 Showalter Index: 6.4 11.0 10.3 8.7 16.3 16.5 13.9 14.4 13.9 15.1 7.9 9.4 3.0 3.2 4.4 Cap Strength(C): 4.5 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 0.0 -1.1 0.0 0.0 -999.9 Storm Dir (deg): 312 333 332 318 302 280 267 256 247 242 248 269 273 290 27 Storm Spd (kts): 10 10 9 11 12 12 16 20 26 32 30 14 11 5 9 2m HeatIndex(F): 50 53 63 52 47 59 70 63 54 55 49 47 46 48 53 2m WindChill(F): 50 53 63 52 47 59 70 63 54 55 49 47 46 48 53 1000mb GPH (m): 115 142 131 145 150 139 107 95 81 74 84 101 99 118 132 950mb GPH (m): 539 567 565 572 572 567 547 532 509 502 509 524 520 540 557 950mb Temp (C): 6.5 6.9 12.1 8.8 6.5 10.4 16.5 15.7 11.0 8.6 7.2 5.7 5.7 5.9 7.4 950mb Dewpt(C): 6.3 6.6 8.7 7.1 6.1 2.9 4.0 4.6 -1.2 6.5 6.8 5.4 5.4 5.7 6.9 950mb RH (%): 99 98 79 89 97 59 42 47 42 87 98 98 98 99 96 950mb Dir: 320 304 309 319 1 257 233 204 199 208 208 221 198 204 226 950mb Speed(kt): 6 6 9 12 2 1 3 10 14 12 16 14 17 9 3 900mb GPH (m): 986 1011 1014 1020 1018 1017 1003 988 959 946 952 963 961 981 1000 900mb Temp (C): 9.5 7.5 8.2 9.0 8.9 10.6 13.4 12.3 10.6 4.6 4.1 2.2 3.0 3.0 4.0 900mb Dewpt(C): 8.4 5.0 5.2 0.6 -0.1 -10.3 -10.3 7.5 -8.5 3.5 4.0 2.0 2.8 2.1 3.1 900mb RH (%): 93 83 81 55 53 22 18 72 25 92 99 99 98 94 94 900mb Dir: 302 314 318 339 323 271 222 217 206 211 233 233 227 231 245 900mb Speed(kt): 7 10 10 11 9 4 6 13 20 18 20 18 22 7 4 850mb GPH (m): 1460 1482 1488 1493 1491 1492 1481 1465 1433 1412 1415 1423 1421 1441 1463 850mb Temp (C): 8.0 7.8 9.6 9.4 9.1 9.6 11.4 10.1 9.0 4.4 1.4 -0.5 -0.2 -0.2 1.6 850mb Dewpt(C): 3.2 -4.9 -6.6 -3.3 -17.4 -16.4 -8.9 -6.0 -5.9 -2.9 1.1 -1.4 -0.4 -0.9 -0.3 850mb RH (%): 71 40 31 40 14 14 23 31 34 59 98 93 98 95 87 850mb Dir: 267 291 326 327 307 260 233 231 213 219 234 243 238 231 313 850mb Speed(kt): 8 12 17 17 13 8 15 20 26 29 17 20 17 11 6 800mb GPH (m): 1957 1981 1989 1995 1991 1992 1984 1966 1932 1903 1900 1905 1904 1925 1948 800mb Temp (C): 5.2 7.7 8.4 8.6 8.0 7.7 9.0 8.4 6.7 2.1 -1.7 -3.3 -2.9 -2.7 -1.4 800mb Dewpt(C): 0.2 -19.9 -4.0 -6.7 -14.8 -12.4 -6.6 -5.0 -3.2 -5.2 -2.0 -3.9 -3.2 -3.5 -3.9 800mb RH (%): 70 12 41 33 18 22 32 38 49 58 98 96 98 94 83 800mb Dir: 269 310 318 309 282 253 234 234 218 215 231 246 242 227 341 800mb Speed(kt): 13 14 15 15 15 14 22 27 31 35 21 19 16 9 8 750mb GPH (m): 2483 2510 2520 2525 2520 2521 2515 2497 2459 2422 2412 2413 2413 2434 2460 750mb Temp (C): 4.5 5.6 6.0 5.9 5.5 5.2 6.2 5.7 4.0 -0.5 -3.5 -6.3 -5.6 -5.3 -3.9 750mb Dewpt(C): -15.7 -22.6 -4.5 -9.6 -12.7 -8.7 -9.2 -9.4 -7.2 -5.0 -3.8 -7.0 -6.0 -6.4 -7.6 750mb RH (%): 21 11 47 32 25 36 32 33 44 72 98 95 97 92 76 750mb Dir: 275 322 311 287 271 250 236 233 219 213 228 245 254 243 346 750mb Speed(kt): 16 15 12 15 18 18 25 32 36 43 28 22 15 5 12 700mb GPH (m): 3043 3070 3082 3086 3081 3081 3077 3057 3016 2971 2954 2948 2950 2972 3001 700mb Temp (C): 2.5 2.8 2.9 2.5 2.4 2.4 3.0 2.4 0.8 -2.6 -7.0 -10.3 -9.1 -8.7 -7.2 700mb Dewpt(C): -14.0 -29.6 -7.5 -9.8 -12.8 -11.2 -10.8 -13.0 -12.1 -8.4 -7.5 -10.6 -9.5 -10.4 -11.9 700mb RH (%): 29 7 46 40 32 36 35 31 37 64 96 98 97 87 69 700mb Dir: 277 328 302 270 265 249 237 230 221 211 222 246 269 230 352 700mb Speed(kt): 16 17 12 15 21 20 27 34 41 52 40 22 16 2 15 650mb GPH (m): 3638 3665 3677 3681 3675 3676 3673 3651 3608 3556 3527 3516 3520 3542 3574 650mb Temp (C): -0.4 -1.0 -1.2 -0.7 -0.8 -0.4 -0.3 -0.9 -1.9 -4.9 -10.9 -12.3 -12.9 -12.5 -11.2 650mb Dewpt(C): -19.8 -14.9 -10.6 -18.4 -18.2 -15.0 -14.9 -15.2 -18.2 -13.0 -20.8 -16.7 -13.1 -14.6 -15.2 650mb RH (%): 22 34 49 25 26 32 32 33 28 53 44 70 99 85 73 650mb Dir: 282 320 290 259 260 248 238 228 221 209 220 251 271 319 358 650mb Speed(kt): 17 18 12 16 22 22 28 36 46 60 47 23 16 3 18 600mb GPH (m): 4274 4297 4310 4315 4309 4311 4309 4286 4240 4181 4139 4124 4124 4147 4182 600mb Temp (C): -2.6 -5.2 -5.0 -4.4 -4.2 -3.5 -3.2 -3.5 -5.3 -7.6 -13.3 -15.1 -17.9 -17.9 -16.5 600mb Dewpt(C): -52.6 -21.6 -27.9 -27.2 -26.7 -20.3 -20.5 -22.3 -20.7 -19.5 -29.9 -18.2 -18.1 -18.3 -19.4 600mb RH (%): 1 27 15 15 16 26 25 22 29 38 24 77 98 97 79 600mb Dir: 289 296 289 259 254 245 239 227 220 209 217 243 269 310 11 600mb Speed(kt): 18 18 13 17 22 25 31 37 49 67 61 22 11 4 17 550mb GPH (m): 4958 4974 4987 4993 4989 4994 4992 4970 4918 4856 4799 4778 4767 4792 4829 550mb Temp (C): -7.7 -10.0 -9.8 -9.7 -8.4 -7.4 -6.7 -6.2 -8.5 -9.5 -15.5 -18.0 -23.1 -22.1 -20.8 550mb Dewpt(C): -36.2 -24.9 -31.8 -30.5 -27.0 -25.4 -26.0 -30.0 -22.7 -12.7 -36.6 -23.9 -23.9 -23.9 -22.5 550mb RH (%): 9 29 15 17 21 23 20 14 31 78 15 60 93 86 86 550mb Dir: 280 280 292 265 259 246 240 226 218 211 219 235 276 310 17 550mb Speed(kt): 20 17 14 19 22 30 35 41 52 70 74 22 11 10 18 500mb GPH (m): 5687 5701 5713 5720 5720 5728 5729 5709 5652 5588 5512 5485 5459 5486 5529 500mb Temp (C): -14.6 -15.2 -15.4 -15.5 -13.1 -12.3 -11.5 -10.6 -11.9 -12.6 -19.4 -21.2 -26.6 -26.7 -23.8 500mb Dewpt(C): -26.3 -29.2 -34.8 -35.7 -30.7 -27.9 -37.7 -43.9 -32.2 -19.8 -24.6 -31.9 -30.1 -29.1 -33.0 500mb RH (%): 37 30 18 17 22 27 10 5 17 55 64 38 73 81 43 500mb Dir: 284 271 276 273 270 252 239 221 219 214 211 231 250 321 8 500mb Speed(kt): 24 16 17 21 26 31 37 45 53 68 89 21 12 13 28 450mb GPH (m): 6476 6488 6498 6505 6514 6523 6527 6509 6451 6384 6287 6254 6214 6237 6290 450mb Temp (C): -20.3 -20.2 -21.5 -21.4 -19.0 -18.3 -17.3 -16.5 -16.5 -17.9 -24.7 -26.8 -31.0 -31.8 -29.3 450mb Dewpt(C): -27.3 -51.0 -39.7 -35.4 -34.5 -32.4 -38.8 -44.7 -42.4 -35.3 -31.8 -39.4 -41.0 -37.1 -39.9 450mb RH (%): 55 5 19 28 25 29 14 7 9 21 52 31 38 61 36 450mb Dir: 285 289 262 292 276 263 248 226 215 216 206 225 207 344 3 450mb Speed(kt): 30 15 18 22 30 38 40 44 56 69 88 22 16 10 36 400mb GPH (m): 7338 7350 7356 7361 7378 7391 7396 7382 7324 7253 7132 7092 7038 7057 7120 400mb Temp (C): -26.0 -26.3 -26.7 -28.0 -26.0 -24.4 -24.1 -23.2 -23.4 -24.4 -30.7 -33.1 -36.1 -37.6 -34.8 400mb Dewpt(C): -32.4 -59.5 -50.1 -40.3 -41.0 -27.4 -29.8 -29.1 -38.5 -41.3 -46.9 -46.4 -46.3 -43.0 -46.4 400mb RH (%): 56 3 10 31 24 77 60 59 25 20 20 27 36 58 31 400mb Dir: 281 279 257 298 276 268 260 232 215 215 204 215 190 2 358 400mb Speed(kt): 35 15 28 28 32 34 35 35 57 73 90 26 25 12 43 350mb GPH (m): 8290 8298 8305 8303 8326 8348 8357 8345 8285 8210 8071 8018 7957 7975 8042 350mb Temp (C): -33.2 -34.2 -33.9 -35.8 -34.9 -32.3 -30.6 -30.4 -29.8 -32.0 -34.5 -38.8 -39.4 -39.5 -38.4 350mb Dewpt(C): -40.0 -51.1 -43.6 -49.5 -42.5 -35.5 -38.1 -34.2 -33.1 -49.0 -59.7 -55.7 -55.3 -57.8 -55.4 350mb RH (%): 52 18 38 25 47 74 49 70 74 18 7 17 18 14 17 350mb Dir: 275 269 261 279 269 276 266 233 218 211 206 202 190 4 352 350mb Speed(kt): 40 19 35 34 27 33 22 30 48 71 91 36 31 13 52 300mb GPH (m): 9355 9357 9366 9356 9384 9415 9430 9420 9363 9280 9139 9068 9011 9031 9097 300mb Temp (C): -41.2 -43.1 -42.2 -44.1 -43.1 -41.5 -40.5 -39.5 -39.5 -40.4 -39.4 -41.4 -39.5 -38.9 -40.6 300mb Dewpt(C): -46.6 -53.8 -51.2 -56.5 -47.1 -45.1 -54.6 -52.6 -42.7 -50.1 -65.0 -69.0 -68.2 -72.7 -66.5 300mb RH (%): 58 31 39 26 66 69 22 25 73 36 6 4 4 2 5 300mb Dir: 274 274 258 265 301 296 262 242 227 213 214 197 207 349 350 300mb Speed(kt): 48 32 39 40 36 29 21 27 48 72 91 47 20 17 55 250mb GPH (m): 10568 10559 10571 10552 10581 10620 10644 10640 10579 10495 10368 10301 10256 10276 10331 250mb Temp (C): -50.4 -52.1 -52.2 -52.9 -54.4 -52.9 -50.7 -50.2 -50.8 -50.6 -45.3 -42.9 -40.9 -40.8 -42.9 250mb Dewpt(C): -56.8 -59.9 -57.2 -62.1 -60.9 -57.1 -64.4 -61.7 -54.5 -55.5 -72.6 -81.9 -79.2 -79.2 -80.5 250mb RH (%): 49 41 57 34 47 62 20 27 66 58 4 1 1 1 1 250mb Dir: 271 271 263 258 305 308 278 230 224 212 212 205 245 348 350 250mb Speed(kt): 56 40 44 49 39 28 18 17 47 76 78 50 14 17 43 200mb GPH (m): 11987 11975 11980 11970 11974 12019 12055 12052 11994 11918 11841 11791 11761 11781 11825 200mb Temp (C): -60.0 -59.3 -60.9 -58.5 -62.4 -63.6 -62.4 -62.9 -62.0 -58.2 -49.6 -46.6 -44.1 -44.3 -45.8 200mb Dewpt(C): -66.9 -67.5 -69.5 -69.2 -69.3 -68.2 -68.0 -66.5 -65.6 -66.9 -79.6 -83.2 -79.8 -81.7 -82.6 200mb RH (%): 43 36 34 27 42 57 50 63 64 35 2 1 1 1 1 200mb Dir: 274 261 260 267 295 327 290 273 227 213 212 225 274 334 353 200mb Speed(kt): 63 55 54 46 35 31 21 19 42 65 60 34 14 14 26 150mb GPH (m): 13776 13773 13773 13772 13762 13786 13808 13807 13758 13729 13705 13688 13668 13687 13722 150mb Temp (C): -59.9 -59.2 -58.9 -58.9 -58.2 -60.5 -63.1 -62.3 -61.2 -55.3 -51.9 -47.6 -48.6 -48.5 -49.6 150mb Dewpt(C): -77.2 -80.4 -81.2 -82.9 -84.4 -81.6 -80.3 -80.2 -80.3 -90.1 -86.9 -99.0 -84.6 -84.5 -85.3 150mb RH (%): 10 6 5 4 3 6 10 9 8 1 1 0 1 1 1 150mb Dir: 268 264 258 266 272 282 283 247 241 215 241 277 274 327 349 150mb Speed(kt): 40 40 42 41 25 28 22 23 35 35 41 19 10 15 15 100mb GPH (m): 16320 16325 16329 16327 16320 16336 16350 16348 16312 16317 16326 16321 16309 16325 16352 100mb Temp (C): -58.7 -57.5 -57.4 -56.6 -56.9 -57.1 -56.6 -56.9 -55.6 -54.7 -53.0 -53.4 -51.8 -52.4 -53.2 100mb Dewpt(C): -92.0 -90.9 -90.9 -90.3 -90.5 -90.6 -85.9 -90.5 -89.5 -88.9 -83.2 -83.5 -86.9 -87.3 -87.8 100mb RH (%): 1 1 1 1 1 1 2 1 1 1 2 2 1 1 1 100mb Dir: 265 251 242 259 260 261 246 252 240 242 261 261 314 329 355 100mb Speed(kt): 13 16 20 20 16 19 16 19 15 18 13 13 6 8 8