Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z APR 30, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 994.7 993.8 990.9 991.1 991.5 992.9 991.1 991.9 991.8 990.0 987.0 988.6 987.8 988.5 985.8 Mean SLP (mb): 1019.3 1017.7 1014.5 1015.0 1015.9 1017.3 1015.1 1016.4 1016.5 1014.4 1010.6 1012.4 1011.8 1011.9 1008.8 2m agl Tmp (F): 50.8 67.9 75.2 63.8 53.9 56.0 64.4 52.6 47.8 58.1 74.5 65.5 63.1 78.0 83.6 2m agl Dewpt(F): 40.7 46.9 48.0 43.7 43.6 51.8 53.7 46.6 45.8 51.4 59.5 59.3 46.8 52.6 50.8 2m agl RH (%): 68 46 37 47 67 85 68 79 93 78 58 80 54 40 31 10m agl Dir: 66 87 70 42 31 263 307 292 287 328 327 155 67 77 54 10m agl Spd(kt): 5 9 6 4 2 3 7 5 2 2 4 2 6 9 6 6hr Precip (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 AccumPrecip(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 Sfc CAPE (J/kg): 0.0 0.0 9.2 0.0 0.0 2.2 35.5 0.0 2.7 1.5 1580.1 1053.7 32.9 415.7 486.3 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 -2.7 -166.3 0.0 0.0 0.0 -92.5 -254.7 -21.6 -86.7 -35.7 0-3km Hel(J/kg): 44.3 91.3 33.9 84.3 114.0 113.4 194.4 166.3 87.0 167.9 157.9 39.2 26.9 6.7 5.7 Precip H20 (in): 0.47 0.55 0.60 0.56 0.68 0.73 0.88 0.94 0.93 0.87 0.87 0.82 0.64 0.59 0.58 Lifted Index(C): 6.8 4.7 1.6 3.3 5.4 4.9 0.6 -0.6 1.5 0.7 -5.8 -4.6 0.6 -1.2 -1.6 700mb VV(-ub/s): -0.7 -0.9 -0.6 0.8 -0.9 4.0 1.3 2.2 -8.5 -8.6 -0.1 2.1 0.3 0.0 -3.0 Thk1000-500mb(m)5549.3 5555.4 5581.9 5582.5 5565.1 5549.7 5555.2 5543.5 5537.7 5564.6 5607.7 5606.3 5609.1 5617.3 5645.9 Thk1000-850mb(m)1363.3 1369.4 1385.8 1381.5 1369.5 1358.2 1365.2 1353.6 1349.2 1367.8 1392.8 1393.0 1394.3 1397.1 1410.0 Thk850-700mb(m):1578.3 1577.9 1583.3 1585.5 1585.5 1588.5 1590.4 1593.8 1587.7 1594.7 1606.6 1605.3 1605.0 1604.0 1610.1 SWEAT Index: 53.2 30.6 23.4 25.3 20.7 38.8 62.0 99.0 69.1 114.5 58.8 84.8 51.6 57.5 34.9 Total Totals Idx 37.7 41.9 47.0 45.3 41.9 43.7 47.9 50.3 49.3 51.3 48.9 50.9 48.7 44.7 44.9 Frz Hgt(ft amsl) 9664 9614 9913 9980 9513 10249 10192 10327 9814 10283 10913 10999 11003 11176 11521 0WetBlbHgt(amsl) 6788 7454 7924 8093 8927 8578 9561 9282 8923 9126 8757 8280 8272 8019 8636 Equil Prs (mb): 995 994 433 991 991 993 481 992 992 990 226 247 988 249 241 Equil Hgt(amsl): 26 26 22226 26 26 26 19609 26 26 26 36498 34675 26 34562 35331 Hail Size(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.22 0.10 0.00 0.00 0.18 0.39 0.00 0.00 0.00 Conv Wind Gust: 45.7 46.7 50.3 49.0 40.6 42.9 45.9 40.1 23.7 49.9 54.7 53.9 55.0 57.9 58.8 Showalter Index: 8.4 6.0 2.8 3.5 5.4 4.7 2.3 1.0 1.5 0.2 1.5 0.3 1.6 3.7 3.4 Cap Strength(C):-999.9 -999.9 0.0 -999.9 -999.9 -999.9 3.4 -999.9 -999.9 -999.9 0.0 6.7 -999.9 0.0 0.0 Storm Dir (deg): 111 135 169 197 221 216 230 212 166 180 144 120 107 109 91 Storm Spd (kts): 8 6 4 7 8 10 12 11 9 12 9 8 9 9 7 2m HeatIndex(F): 51 68 75 64 54 56 64 53 48 58 74 66 63 78 82 2m WindChill(F): 51 68 75 64 54 56 64 53 48 58 74 66 63 78 84 1000mb GPH (m): 159 150 125 128 132 144 128 136 136 120 91 106 99 103 78 950mb GPH (m): 592 588 569 567 564 573 563 563 559 549 535 547 541 549 529 950mb Temp (C): 15.4 14.9 19.7 18.3 15.4 11.3 13.4 10.1 7.6 10.4 19.4 18.8 21.3 20.9 24.8 950mb Dewpt(C): 4.8 5.2 6.0 2.9 3.6 6.6 10.4 7.7 7.2 7.6 13.3 13.1 6.6 7.9 7.5 950mb RH (%): 48 51 40 35 45 72 82 85 97 82 67 68 37 42 32 950mb Dir: 82 90 77 71 92 260 312 327 337 25 339 91 78 80 60 950mb Speed(kt): 13 15 8 13 7 2 9 10 4 3 5 4 24 14 8 900mb GPH (m): 1047 1043 1030 1027 1022 1025 1016 1014 1008 1004 997 1011 1007 1014 999 900mb Temp (C): 12.3 12.8 15.5 15.9 14.1 12.0 10.8 10.2 10.2 16.2 17.8 19.4 19.2 18.4 20.4 900mb Dewpt(C): 0.5 1.0 2.9 -1.3 1.1 3.2 5.3 9.2 7.9 2.6 9.0 4.3 1.6 1.0 5.7 900mb RH (%): 44 44 42 30 41 54 68 93 85 39 55 36 30 30 37 900mb Dir: 101 111 79 93 125 81 343 354 100 82 44 89 93 88 59 900mb Speed(kt): 21 23 10 15 7 7 7 2 4 16 9 15 19 26 10 850mb GPH (m): 1523 1520 1511 1509 1501 1502 1493 1490 1485 1487 1484 1499 1494 1500 1488 850mb Temp (C): 9.6 9.8 11.3 12.1 11.5 10.6 10.5 10.3 11.5 13.0 15.6 15.8 15.1 15.0 16.3 850mb Dewpt(C): -4.6 -2.2 1.3 0.6 -0.1 0.2 2.4 3.2 1.3 1.9 -3.0 -0.7 -1.8 -4.6 -3.9 850mb RH (%): 36 42 50 44 44 48 57 61 49 46 27 32 31 25 24 850mb Dir: 109 129 109 122 147 123 93 76 119 102 87 93 90 89 58 850mb Speed(kt): 20 12 4 8 5 6 4 5 15 13 23 19 22 23 13 800mb GPH (m): 2022 2020 2013 2012 2004 2005 1996 1994 1989 1993 1994 2009 2003 2009 1998 800mb Temp (C): 6.4 6.1 7.4 7.7 7.9 7.9 8.7 8.9 8.0 9.4 12.0 11.4 11.6 11.4 12.4 800mb Dewpt(C): -8.1 -3.7 -1.6 1.5 0.1 -1.4 -1.3 2.0 -0.4 -1.0 -8.5 -4.0 -7.8 -8.4 -10.8 800mb RH (%): 34 49 53 64 57 51 49 61 55 47 22 33 24 24 18 800mb Dir: 113 136 159 167 153 154 168 117 130 135 103 93 78 77 66 800mb Speed(kt): 14 7 5 6 8 9 12 10 19 15 19 18 11 13 15 750mb GPH (m): 2548 2545 2540 2540 2532 2533 2526 2525 2517 2524 2528 2543 2537 2543 2534 750mb Temp (C): 2.9 2.6 3.1 3.2 3.6 4.4 4.9 5.4 3.7 5.1 7.3 7.0 7.3 7.0 8.0 750mb Dewpt(C): -12.4 -7.6 -5.8 -5.5 -1.2 -4.2 -1.3 -1.3 -1.2 -2.1 -7.8 -9.9 -10.3 -11.8 -9.9 750mb RH (%): 31 47 52 53 71 53 64 62 70 60 33 29 27 25 27 750mb Dir: 112 141 192 205 183 172 179 140 133 149 120 93 41 64 68 750mb Speed(kt): 10 5 8 9 13 14 16 12 19 19 13 13 10 10 10 700mb GPH (m): 3101 3098 3094 3095 3087 3091 3083 3084 3073 3082 3090 3104 3099 3104 3098 700mb Temp (C): -1.1 -1.1 -0.5 -0.3 -1.8 0.3 0.2 0.5 -0.6 0.4 2.1 2.2 2.3 2.4 3.2 700mb Dewpt(C): -19.7 -16.8 -16.2 -15.6 -2.9 -5.4 -1.7 -3.9 -3.8 -3.9 -7.6 -12.1 -13.2 -12.8 -9.3 700mb RH (%): 23 29 30 31 93 65 87 72 79 73 48 34 31 32 39 700mb Dir: 99 122 191 213 201 181 187 163 130 158 126 87 49 81 75 700mb Speed(kt): 5 4 7 14 17 17 20 16 17 22 12 8 9 8 6 650mb GPH (m): 3687 3685 3683 3684 3673 3679 3673 3673 3662 3672 3682 3697 3691 3697 3693 650mb Temp (C): -4.4 -4.0 -3.3 -3.3 -4.3 -4.9 -4.5 -4.0 -4.0 -4.2 -3.2 -3.0 -3.1 -2.3 -1.4 650mb Dewpt(C): -22.6 -21.4 -24.1 -26.0 -19.2 -7.6 -7.3 -4.9 -5.8 -6.9 -7.7 -10.6 -11.3 -14.6 -14.6 650mb RH (%): 23 25 19 16 30 81 81 94 87 82 71 56 53 38 36 650mb Dir: 58 163 192 210 221 191 194 175 132 166 128 78 61 83 69 650mb Speed(kt): 4 2 6 13 17 20 23 21 13 23 12 8 6 7 5 600mb GPH (m): 4313 4311 4310 4312 4300 4303 4297 4299 4288 4297 4310 4323 4318 4326 4324 600mb Temp (C): -8.0 -7.7 -7.1 -6.7 -6.9 -8.1 -8.9 -9.3 -8.0 -8.5 -8.0 -8.1 -8.0 -7.0 -5.7 600mb Dewpt(C): -22.8 -23.3 -31.5 -30.8 -24.7 -23.8 -16.8 -10.4 -9.5 -10.3 -11.2 -11.6 -12.1 -18.0 -28.0 600mb RH (%): 30 28 13 13 23 28 53 91 89 87 78 76 72 41 16 600mb Dir: 18 129 184 199 216 195 194 189 139 166 144 79 74 77 59 600mb Speed(kt): 4 4 5 11 14 20 24 28 9 25 11 11 8 7 7 550mb GPH (m): 4985 4984 4985 4986 4973 4973 4965 4965 4956 4966 4980 4993 4989 4999 4999 550mb Temp (C): -10.7 -11.0 -10.7 -10.9 -11.5 -12.9 -13.2 -14.7 -13.9 -13.2 -12.9 -12.9 -12.6 -11.8 -10.5 550mb Dewpt(C): -43.9 -57.5 -43.5 -37.7 -23.7 -25.5 -23.2 -19.3 -14.4 -14.9 -16.0 -15.3 -17.0 -23.2 -28.3 550mb RH (%): 5 1 5 9 36 35 43 68 96 87 78 83 69 39 22 550mb Dir: 7 58 179 190 207 201 202 195 157 171 157 84 84 66 58 550mb Speed(kt): 11 5 3 8 15 23 27 30 9 22 10 12 9 9 8 500mb GPH (m): 5709 5706 5707 5710 5697 5694 5683 5680 5674 5684 5699 5712 5708 5720 5723 500mb Temp (C): -16.3 -17.1 -17.2 -16.3 -15.2 -16.4 -17.5 -18.4 -18.3 -18.2 -18.2 -17.9 -17.7 -17.2 -16.3 500mb Dewpt(C): -51.0 -47.7 -38.3 -34.7 -34.2 -38.2 -40.5 -32.2 -22.0 -20.1 -21.8 -20.1 -22.5 -26.9 -33.9 500mb RH (%): 4 6 15 20 19 14 12 30 73 85 74 83 67 43 21 500mb Dir: 355 37 310 255 204 197 205 200 170 170 156 91 87 62 54 500mb Speed(kt): 13 6 0 3 10 24 26 24 16 21 12 11 8 11 9 450mb GPH (m): 6492 6485 6487 6495 6484 6479 6463 6457 6451 6462 6476 6491 6488 6501 6507 450mb Temp (C): -21.2 -22.6 -22.4 -21.2 -21.2 -21.6 -22.5 -23.5 -24.3 -24.0 -23.9 -23.6 -23.4 -23.2 -22.4 450mb Dewpt(C): -53.2 -46.8 -41.3 -34.8 -42.7 -47.7 -50.8 -46.9 -29.4 -26.4 -27.5 -26.2 -28.6 -30.9 -41.0 450mb RH (%): 4 10 17 29 13 8 6 11 64 81 72 79 63 50 18 450mb Dir: 326 350 322 320 245 192 206 201 169 165 137 124 79 66 52 450mb Speed(kt): 24 15 7 12 10 24 31 21 21 19 13 10 6 10 11 400mb GPH (m): 7350 7338 7341 7351 7339 7333 7314 7304 7298 7310 7326 7340 7337 7351 7359 400mb Temp (C): -27.5 -28.8 -28.3 -28.8 -28.9 -28.7 -30.0 -30.7 -30.6 -30.5 -29.8 -30.0 -30.1 -29.8 -29.3 400mb Dewpt(C): -49.6 -35.9 -32.4 -45.1 -40.5 -46.1 -42.8 -38.2 -33.7 -35.1 -34.8 -33.5 -37.2 -37.7 -55.6 400mb RH (%): 11 51 69 20 33 18 29 49 75 65 63 73 51 47 7 400mb Dir: 325 329 316 308 260 197 201 197 165 149 122 155 38 69 56 400mb Speed(kt): 25 18 17 15 13 23 36 25 26 18 13 9 5 9 18 350mb GPH (m): 8296 8281 8283 8289 8278 8270 8249 8238 8230 8242 8261 8275 8271 8285 8296 350mb Temp (C): -35.1 -35.2 -36.1 -36.8 -36.7 -37.2 -36.7 -37.5 -38.8 -37.9 -37.7 -38.0 -38.3 -38.1 -36.9 350mb Dewpt(C): -46.4 -38.1 -40.7 -41.8 -43.6 -48.4 -40.9 -44.7 -42.4 -44.6 -42.9 -41.9 -45.3 -47.0 -60.3 350mb RH (%): 32 75 64 61 50 32 66 48 70 51 59 68 49 40 8 350mb Dir: 332 313 305 305 272 211 201 195 178 161 141 143 55 53 63 350mb Speed(kt): 26 20 20 14 20 23 38 28 32 22 12 10 5 10 31 300mb GPH (m): 9350 9334 9330 9336 9326 9316 9298 9283 9268 9283 9302 9314 9308 9324 9343 300mb Temp (C): -43.9 -45.3 -45.8 -45.6 -45.2 -45.4 -45.4 -45.8 -47.6 -47.6 -47.8 -47.9 -47.9 -47.1 -45.7 300mb Dewpt(C): -49.4 -48.7 -54.1 -51.6 -53.1 -49.1 -49.2 -49.5 -51.3 -53.2 -51.8 -51.4 -53.9 -56.9 -61.8 300mb RH (%): 56 69 41 53 43 68 67 67 67 54 64 68 51 34 16 300mb Dir: 316 317 303 303 261 216 204 194 198 180 163 146 53 56 57 300mb Speed(kt): 27 15 18 17 18 28 36 29 43 31 17 9 7 19 39 250mb GPH (m): 10548 10523 10517 10523 10515 10505 10484 10468 10446 10459 10478 10489 10487 10509 10532 250mb Temp (C): -53.6 -55.5 -55.3 -55.6 -55.2 -55.7 -56.5 -56.7 -56.6 -56.4 -56.3 -55.7 -55.1 -54.5 -54.3 250mb Dewpt(C): -58.6 -58.8 -62.0 -62.2 -59.0 -59.3 -60.2 -60.2 -60.8 -62.1 -60.7 -62.2 -64.1 -66.3 -66.4 250mb RH (%): 57 69 45 46 64 66 65 66 61 51 59 47 34 24 24 250mb Dir: 311 296 295 313 265 221 198 188 202 182 185 62 46 46 52 250mb Speed(kt): 32 14 15 26 21 33 40 36 34 25 21 6 22 30 41 200mb GPH (m): 11946 11912 11912 11912 11903 11888 11867 11857 11845 11863 11881 11899 11898 11915 11940 200mb Temp (C): -62.9 -63.3 -62.4 -62.9 -64.6 -64.1 -61.9 -59.9 -58.0 -58.7 -58.5 -57.7 -58.7 -60.1 -59.5 200mb Dewpt(C): -68.6 -69.6 -69.0 -69.7 -68.0 -66.3 -73.9 -74.8 -77.9 -75.8 -72.8 -79.4 -74.2 -71.2 -72.7 200mb RH (%): 49 45 44 42 65 76 21 15 8 11 16 6 14 25 19 200mb Dir: 288 293 298 299 268 235 222 215 219 122 102 41 42 51 42 200mb Speed(kt): 52 23 27 28 32 40 33 24 11 8 6 22 32 30 37 150mb GPH (m): 13735 13710 13702 13695 13677 13674 13671 13673 13664 13681 13698 13714 13704 13713 13731 150mb Temp (C): -57.9 -56.6 -58.5 -59.4 -59.0 -58.6 -56.6 -55.8 -56.1 -56.4 -56.7 -57.3 -57.4 -57.8 -59.0 150mb Dewpt(C): -83.9 -86.0 -82.7 -83.5 -83.1 -83.1 -85.9 -85.3 -85.7 -85.8 -83.3 -86.4 -86.5 -84.2 -83.4 150mb RH (%): 3 2 4 4 4 4 2 2 2 2 3 2 2 3 4 150mb Dir: 286 286 287 284 272 251 259 275 347 10 21 24 18 27 43 150mb Speed(kt): 36 26 27 28 24 21 17 11 10 9 18 17 17 21 22 100mb GPH (m): 16268 16254 16250 16243 16223 16227 16233 16239 16227 16244 16256 16271 16253 16265 16274 100mb Temp (C): -61.3 -61.0 -59.0 -59.2 -58.6 -57.8 -57.4 -57.7 -57.7 -57.4 -58.1 -58.0 -59.1 -58.5 -59.3 100mb Dewpt(C): -89.4 -89.2 -92.0 -87.9 -87.4 -91.1 -86.5 -86.7 -86.7 -86.4 -91.3 -91.3 -87.8 -91.6 -92.2 100mb RH (%): 2 2 1 2 2 1 2 2 2 2 1 1 2 1 1 100mb Dir: 287 276 290 281 270 278 295 310 334 349 1 12 356 360 354 100mb Speed(kt): 18 21 20 13 18 14 13 15 13 9 13 11 11 11 14