Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z MAY 25, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 987.6 987.2 985.1 983.7 984.6 984.9 986.0 988.0 988.2 988.0 988.0 987.5 986.4 987.9 988.3 Mean SLP (mb): 1011.1 1011.3 1009.4 1007.8 1008.9 1009.4 1010.5 1012.5 1012.5 1012.5 1012.6 1011.9 1010.2 1012.0 1012.7 2m agl Tmp (F): 74.3 61.8 52.8 58.6 52.1 48.2 47.1 51.6 55.7 51.0 48.0 51.5 63.9 62.1 53.0 2m agl Dewpt(F): 46.4 44.8 41.5 46.6 49.9 46.6 45.2 45.8 45.3 45.6 47.1 49.9 53.6 54.9 50.3 2m agl RH (%): 36 53 65 63 92 94 93 80 67 81 97 94 69 77 90 10m agl Dir: 222 219 132 199 213 198 190 315 308 309 282 250 235 270 219 10m agl Spd(kt): 2 7 3 8 6 5 3 4 8 6 4 4 3 2 2 6hr Precip (in): 0.00 0.00 0.00 0.00 0.07 0.06 0.03 0.01 0.00 0.00 0.04 0.01 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.07 0.13 0.16 0.17 0.17 0.17 0.21 0.22 0.22 0.22 0.22 Sfc CAPE (J/kg): 0.0 0.0 0.0 0.7 100.0 92.6 60.4 72.3 22.7 0.4 1.0 11.2 0.5 0.0 0.0 Sfc CINH (J/kg): 0.0 0.0 -0.3 0.0 -9.5 0.0 -0.4 0.0 -0.1 0.0 0.0 -0.2 0.0 0.0 0.0 0-3km Hel(J/kg): 109.3 127.4 166.6 148.3 175.4 2.3 -10.7 50.4 108.1 180.5 363.0 155.3 106.2 76.4 100.7 Precip H20 (in): 0.72 0.57 0.54 0.75 0.83 0.58 0.59 0.58 0.71 0.79 1.03 1.03 1.12 1.22 1.06 Lifted Index(C): 6.9 10.6 11.0 10.7 4.9 6.3 5.7 6.3 4.4 6.7 5.4 2.8 -0.4 -0.5 -0.6 700mb VV(-ub/s): 1.6 0.0 2.3 3.4 0.5 2.6 -3.7 -0.4 0.2 -5.2 -1.1 -0.6 -0.7 3.6 0.7 Thk1000-500mb(m)5628.5 5608.2 5568.9 5521.3 5444.4 5411.3 5394.7 5418.9 5455.6 5505.2 5548.2 5594.7 5628.2 5631.1 5619.3 Thk1000-850mb(m)1383.2 1366.8 1350.3 1346.1 1336.2 1325.8 1323.7 1327.0 1338.3 1337.4 1336.3 1347.5 1366.3 1367.9 1357.0 Thk850-700mb(m):1595.9 1590.8 1583.1 1563.1 1544.9 1532.4 1528.3 1532.8 1546.4 1565.5 1581.7 1597.8 1611.2 1609.3 1613.0 SWEAT Index: 142.9 143.2 134.5 122.6 131.9 56.9 20.3 47.2 57.7 71.7 130.7 134.4 147.9 147.3 141.6 Total Totals Idx 32.5 28.5 29.7 30.6 43.8 42.7 45.1 42.0 45.7 40.7 40.1 43.1 46.8 47.4 45.8 Frz Hgt(ft amsl) 11532 11618 10646 8228 6039 4816 4841 4958 6307 8614 10745 12292 12644 12634 12340 0WetBlbHgt(amsl) 8266 8072 6961 6061 5992 4683 4425 4493 5737 7462 10021 10722 11018 11228 10061 Equil Prs (mb): 988 987 985 984 630 702 690 677 756 988 988 988 986 988 988 Equil Hgt(amsl): 26 26 26 26 12362 9571 9990 10556 7825 26 26 26 26 26 26 Hail Size(in): 0.00 0.00 0.00 0.00 -0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.16 Conv Wind Gust: 55.2 58.1 56.3 46.6 26.3 19.7 17.4 20.9 25.8 17.0 8.7 44.4 42.3 39.1 46.0 Showalter Index: 10.3 12.8 12.6 12.7 6.1 7.8 6.8 8.3 5.5 7.3 6.6 3.8 1.2 0.4 1.5 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -0.6 -1.1 -0.3 -999.9 0.0 -999.9 -999.9 7.2 -999.9 -999.9 -999.9 Storm Dir (deg): 262 259 247 239 238 240 222 75 56 89 65 83 73 87 130 Storm Spd (kts): 14 21 26 30 27 13 4 8 11 14 20 14 10 9 9 2m HeatIndex(F): 74 62 53 59 52 48 47 52 56 51 48 52 64 62 53 2m WindChill(F): 74 62 53 59 52 48 47 52 56 51 48 52 64 62 53 1000mb GPH (m): 96 95 78 65 74 78 87 103 105 104 104 99 87 101 105 950mb GPH (m): 538 531 506 496 501 501 509 528 533 530 527 525 523 536 533 950mb Temp (C): 18.6 14.4 9.7 10.4 8.4 6.1 5.6 6.7 9.4 8.1 7.0 7.6 14.0 14.1 10.5 950mb Dewpt(C): 7.1 1.8 5.9 6.3 8.1 5.9 5.3 5.9 6.0 6.9 6.8 7.4 10.7 12.0 10.1 950mb RH (%): 46 42 77 75 98 98 98 94 79 92 98 98 80 87 97 950mb Dir: 199 227 191 197 217 206 196 320 314 325 309 265 234 275 207 950mb Speed(kt): 2 15 9 10 11 10 7 5 12 15 12 5 3 7 4 900mb GPH (m): 998 985 955 942 946 942 949 969 979 974 971 971 976 991 984 900mb Temp (C): 15.0 13.1 10.4 7.3 5.3 3.3 3.3 3.4 5.3 5.4 5.7 8.8 10.5 11.3 10.1 900mb Dewpt(C): 2.1 -5.6 -6.8 1.5 5.2 3.0 2.2 1.7 5.1 4.2 4.8 5.8 10.1 10.9 9.7 900mb RH (%): 41 26 29 66 99 98 93 88 98 92 94 81 97 97 97 900mb Dir: 214 224 206 203 221 229 207 343 320 358 348 23 315 306 295 900mb Speed(kt): 6 16 25 18 21 14 7 9 14 19 14 8 9 7 4 850mb GPH (m): 1479 1462 1429 1411 1410 1404 1410 1430 1443 1441 1440 1447 1453 1469 1462 850mb Temp (C): 12.4 10.1 8.7 5.6 2.5 0.4 0.3 0.4 2.4 4.7 6.7 10.8 11.8 12.2 13.3 850mb Dewpt(C): -3.6 -4.5 -4.8 -2.5 2.4 -0.1 -1.2 -1.2 1.0 1.5 4.2 6.1 8.1 9.4 8.1 850mb RH (%): 32 35 38 56 99 97 89 89 90 80 83 72 78 83 70 850mb Dir: 219 218 215 211 212 241 212 348 360 10 357 36 16 13 27 850mb Speed(kt): 17 22 27 28 20 15 5 12 14 14 22 12 12 4 9 800mb GPH (m): 1984 1963 1928 1905 1898 1887 1894 1914 1931 1934 1938 1951 1960 1975 1972 800mb Temp (C): 9.0 7.8 6.6 3.0 -0.3 -2.3 -2.3 -1.9 0.0 3.1 5.8 8.6 11.0 10.8 11.2 800mb Dewpt(C): -5.1 -6.1 -5.8 -4.4 -0.5 -3.0 -4.1 -3.5 -2.0 0.2 2.9 6.1 7.5 7.8 8.7 800mb RH (%): 36 36 41 58 99 95 87 88 87 81 81 84 79 81 84 800mb Dir: 220 227 222 213 202 243 245 354 23 35 7 32 49 64 48 800mb Speed(kt): 21 27 31 34 32 16 2 13 14 12 21 16 12 9 11 750mb GPH (m): 2514 2493 2454 2424 2412 2397 2403 2425 2446 2455 2464 2482 2497 2512 2509 750mb Temp (C): 5.9 5.4 4.1 0.5 -3.0 -5.5 -6.2 -5.3 -2.6 0.6 3.4 4.9 8.3 8.2 8.3 750mb Dewpt(C): -7.1 -7.2 -10.1 -5.2 -3.3 -5.8 -7.4 -5.6 -4.0 -2.3 -0.4 4.3 2.3 3.0 3.1 750mb RH (%): 38 39 35 66 98 97 91 97 90 80 76 96 65 69 69 750mb Dir: 220 230 224 212 204 238 83 21 21 45 21 41 36 67 62 750mb Speed(kt): 22 32 36 40 39 19 1 10 15 17 27 20 13 10 11 700mb GPH (m): 3075 3053 3012 2975 2955 2936 2939 2963 2989 3006 3022 3044 3064 3078 3075 700mb Temp (C): 2.2 2.5 1.2 -2.7 -5.7 -7.6 -9.0 -8.0 -5.5 -1.4 1.1 3.8 5.3 4.6 5.0 700mb Dewpt(C): -8.7 -11.9 -13.9 -8.5 -6.3 -13.7 -12.5 -13.2 -10.7 -8.2 -0.9 -0.7 -0.7 -0.1 -5.9 700mb RH (%): 44 34 31 64 96 62 76 66 67 60 86 72 65 71 45 700mb Dir: 229 230 222 211 206 225 348 57 31 67 47 55 28 64 90 700mb Speed(kt): 22 35 42 48 44 21 4 11 15 21 37 21 13 10 10 650mb GPH (m): 3670 3648 3604 3559 3532 3509 3511 3537 3568 3594 3616 3643 3666 3679 3674 650mb Temp (C): -0.8 -0.6 -1.8 -5.5 -9.7 -10.1 -10.6 -9.5 -8.3 -4.0 -1.5 0.7 1.5 1.4 0.6 650mb Dewpt(C): -11.7 -15.2 -19.2 -13.6 -11.9 -22.5 -17.6 -23.1 -17.4 -17.8 -1.8 -6.4 -6.5 -5.2 -14.7 650mb RH (%): 43 32 25 53 84 36 57 33 48 34 98 59 55 62 31 650mb Dir: 236 231 219 208 208 220 356 47 56 75 61 73 39 67 113 650mb Speed(kt): 26 37 47 56 46 16 3 8 14 27 41 21 12 16 13 600mb GPH (m): 4305 4284 4236 4183 4147 4122 4122 4152 4186 4221 4248 4281 4303 4317 4311 600mb Temp (C): -3.4 -3.4 -4.8 -8.4 -11.6 -13.2 -14.3 -11.9 -10.5 -7.9 -6.0 -3.4 -3.6 -3.7 -3.8 600mb Dewpt(C): -15.8 -14.7 -24.0 -16.0 -13.9 -28.9 -20.7 -24.9 -20.5 -17.1 -6.3 -13.5 -13.8 -9.3 -17.6 600mb RH (%): 38 41 21 55 83 26 59 34 44 48 98 46 45 65 34 600mb Dir: 238 231 216 206 209 205 27 45 60 67 56 70 50 67 131 600mb Speed(kt): 29 37 50 62 49 19 0 6 17 21 38 25 15 21 23 550mb GPH (m): 4988 4967 4916 4855 4807 4780 4777 4813 4849 4890 4924 4962 4984 4999 4991 550mb Temp (C): -7.0 -6.8 -8.6 -10.0 -16.5 -16.8 -18.1 -15.8 -15.3 -13.2 -10.1 -8.4 -8.7 -7.9 -8.3 550mb Dewpt(C): -18.7 -19.5 -26.0 -10.8 -20.3 -30.9 -25.8 -33.6 -21.2 -17.7 -11.4 -18.9 -19.0 -19.1 -17.5 550mb RH (%): 39 36 23 94 73 29 51 21 61 69 90 43 44 40 48 550mb Dir: 242 233 215 209 212 183 174 137 52 111 47 63 61 60 118 550mb Speed(kt): 31 38 51 66 54 22 4 7 18 17 36 31 19 23 22 500mb GPH (m): 5724 5704 5647 5587 5519 5489 5481 5522 5560 5609 5652 5694 5715 5732 5725 500mb Temp (C): -11.8 -11.4 -12.9 -13.7 -19.4 -21.2 -22.9 -21.4 -21.2 -17.2 -14.6 -13.1 -13.4 -12.9 -12.2 500mb Dewpt(C): -17.1 -24.7 -26.8 -14.6 -22.9 -36.2 -32.2 -31.3 -22.4 -20.5 -20.0 -23.1 -26.9 -22.0 -27.2 500mb RH (%): 65 33 31 93 74 26 44 41 90 76 64 43 32 47 28 500mb Dir: 246 234 217 210 208 172 175 153 67 123 50 54 70 65 96 500mb Speed(kt): 27 41 51 66 63 28 10 23 17 26 37 37 26 26 27 450mb GPH (m): 6523 6503 6442 6380 6298 6259 6244 6289 6329 6391 6443 6489 6508 6526 6522 450mb Temp (C): -17.5 -17.2 -17.9 -18.8 -22.9 -26.1 -28.8 -27.8 -27.5 -21.9 -19.0 -18.4 -18.9 -18.6 -17.5 450mb Dewpt(C): -21.3 -22.1 -21.9 -23.8 -26.1 -40.1 -35.5 -29.4 -29.1 -24.6 -29.9 -30.5 -27.0 -28.6 -29.8 450mb RH (%): 73 66 72 65 75 27 54 87 87 79 38 34 50 42 34 450mb Dir: 251 230 222 206 196 167 166 127 79 104 60 53 64 68 97 450mb Speed(kt): 29 41 51 65 78 37 18 31 18 49 38 36 31 28 31 400mb GPH (m): 7393 7373 7313 7246 7150 7101 7075 7122 7165 7247 7308 7355 7374 7392 7390 400mb Temp (C): -23.8 -23.9 -23.3 -25.2 -29.3 -31.5 -34.5 -34.5 -32.8 -28.5 -25.9 -25.5 -25.2 -24.8 -24.9 400mb Dewpt(C): -29.3 -27.5 -26.1 -33.1 -33.0 -48.1 -46.7 -41.6 -43.2 -31.4 -34.5 -33.3 -33.7 -30.8 -33.3 400mb RH (%): 61 73 78 49 71 19 30 50 36 77 45 49 46 58 47 400mb Dir: 247 230 226 206 190 166 161 130 121 118 65 58 60 76 87 400mb Speed(kt): 26 37 46 65 86 47 24 30 31 53 39 33 35 26 30 350mb GPH (m): 8352 8334 8276 8199 8088 8033 7998 8045 8097 8185 8259 8307 8327 8347 8345 350mb Temp (C): -31.4 -30.7 -30.4 -32.8 -36.6 -37.6 -39.3 -39.0 -36.3 -37.4 -33.7 -32.9 -32.3 -32.9 -32.5 350mb Dewpt(C): -37.6 -42.9 -36.6 -39.1 -40.8 -54.8 -53.5 -55.5 -61.2 -41.3 -37.2 -43.3 -47.3 -36.4 -40.6 350mb RH (%): 55 31 56 55 66 16 22 17 7 68 71 36 22 72 46 350mb Dir: 250 227 222 206 183 165 159 131 121 115 79 50 56 79 76 350mb Speed(kt): 20 24 48 70 91 64 29 23 43 61 43 37 38 31 31 300mb GPH (m): 9422 9410 9351 9267 9143 9083 9047 9096 9154 9238 9321 9373 9395 9411 9409 300mb Temp (C): -41.0 -39.1 -39.7 -40.6 -42.0 -42.4 -41.1 -41.2 -41.6 -42.9 -42.6 -41.3 -41.0 -41.8 -42.5 300mb Dewpt(C): -48.2 -55.3 -48.1 -45.5 -53.1 -64.4 -65.5 -68.0 -65.9 -50.3 -45.9 -52.4 -52.1 -45.6 -47.9 300mb RH (%): 48 18 42 61 30 8 6 5 6 46 71 31 31 67 57 300mb Dir: 267 240 221 202 184 166 167 118 122 117 81 55 55 60 80 300mb Speed(kt): 24 19 48 70 89 68 25 21 41 79 46 34 42 35 30 250mb GPH (m): 10633 10630 10568 10484 10363 10310 10284 10330 10379 10448 10524 10585 10608 10622 10612 250mb Temp (C): -51.4 -50.2 -50.2 -49.5 -46.5 -43.4 -41.0 -42.1 -44.5 -47.8 -51.5 -50.7 -50.5 -50.5 -51.3 250mb Dewpt(C): -61.1 -58.7 -55.9 -54.3 -66.8 -77.2 -79.3 -80.4 -74.8 -67.3 -59.7 -59.0 -57.2 -60.3 -56.8 250mb RH (%): 33 38 52 59 10 2 1 1 3 10 39 39 47 33 54 250mb Dir: 280 245 224 206 188 178 152 102 101 120 93 61 54 62 86 250mb Speed(kt): 20 16 46 71 79 45 9 15 24 62 48 40 43 44 48 200mb GPH (m): 12042 12042 11986 11913 11829 11804 11791 11827 11866 11913 11956 12009 12031 12045 12038 200mb Temp (C): -62.3 -63.0 -61.2 -57.6 -49.9 -45.1 -44.1 -45.8 -46.1 -49.7 -54.4 -56.9 -58.0 -58.2 -57.8 200mb Dewpt(C): -67.7 -66.3 -64.0 -65.8 -83.2 -82.1 -81.5 -82.6 -83.0 -81.3 -75.0 -71.4 -68.5 -66.6 -65.9 200mb RH (%): 51 66 71 37 1 1 1 1 1 2 8 16 27 36 38 200mb Dir: 308 254 232 205 206 215 104 23 61 74 69 65 54 59 74 200mb Speed(kt): 22 17 40 61 53 20 6 9 19 25 37 39 41 44 32 150mb GPH (m): 13809 13807 13761 13730 13709 13708 13700 13724 13759 13786 13804 13829 13848 13860 13855 150mb Temp (C): -62.0 -62.3 -60.8 -54.6 -51.0 -49.4 -48.7 -49.2 -50.6 -51.2 -54.8 -56.9 -56.0 -55.9 -58.8 150mb Dewpt(C): -82.6 -80.2 -78.8 -89.6 -86.3 -85.2 -84.7 -85.0 -86.0 -86.4 -89.0 -86.0 -80.8 -84.8 -85.2 150mb RH (%): 6 9 9 1 1 1 1 1 1 1 1 2 4 2 3 150mb Dir: 282 243 239 200 229 242 337 10 32 42 39 57 67 60 99 150mb Speed(kt): 19 21 32 35 25 8 10 7 20 18 26 27 29 26 13 100mb GPH (m): 16353 16349 16323 16324 16332 16346 16333 16352 16382 16396 16395 16412 16426 16435 16417 100mb Temp (C): -56.8 -56.5 -54.9 -53.5 -52.3 -52.3 -53.1 -53.2 -53.7 -54.1 -55.2 -55.8 -56.8 -56.1 -56.9 100mb Dewpt(C): -90.4 -90.2 -89.1 -88.0 -87.2 -87.2 -87.8 -87.9 -88.2 -88.4 -89.2 -89.7 -90.4 -89.9 -90.5 100mb RH (%): 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 100mb Dir: 246 240 235 237 257 296 344 25 22 38 47 66 87 115 122 100mb Speed(kt): 15 17 14 14 8 6 6 7 7 12 11 10 10 9 10