Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z APR 18, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 993.3 991.7 988.4 987.6 985.2 985.4 985.6 986.9 985.1 985.6 984.1 986.8 986.6 988.1 987.8 Mean SLP (mb): 1018.1 1016.1 1012.3 1011.7 1009.5 1009.3 1009.2 1011.0 1009.3 1009.6 1007.7 1011.1 1011.1 1012.6 1012.2 2m agl Tmp (F): 45.0 58.5 67.6 59.4 57.1 64.7 71.9 59.1 53.2 63.9 71.6 55.5 50.0 49.6 52.7 2m agl Dewpt(F): 33.6 40.4 42.6 40.7 37.8 43.4 47.2 44.8 44.0 49.9 47.8 40.7 41.6 48.8 49.8 2m agl RH (%): 64 50 39 49 48 45 40 58 70 60 42 57 72 97 90 10m agl Dir: 83 91 111 74 75 96 289 322 160 186 285 281 251 244 275 10m agl Spd(kt): 6 7 3 5 7 9 4 4 2 2 5 7 4 3 4 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 0.03 0.11 0.05 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 0.03 0.13 0.19 Sfc CAPE (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 23.2 0.0 0.0 1.3 6.0 0.1 0.2 39.9 122.5 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 0.0 0.0 -0.8 -0.1 0.0 -38.4 0.0 -0.1 0.0 -2.2 0.0 0-3km Hel(J/kg): 171.7 118.9 78.0 117.9 153.4 136.8 101.4 264.0 117.5 100.5 123.7 370.9 258.9 88.7 -42.5 Precip H20 (in): 0.50 0.55 0.52 0.54 0.67 0.57 0.59 0.78 0.69 0.66 0.60 0.78 0.87 0.84 0.78 Lifted Index(C): 6.9 9.3 6.9 4.6 4.4 4.1 2.0 1.5 1.8 2.2 1.2 0.9 1.1 5.8 3.2 700mb VV(-ub/s): 1.3 0.0 -0.4 0.9 1.8 1.6 -1.7 3.0 2.4 2.8 -2.3 3.3 8.9 -0.6 -0.9 Thk1000-500mb(m)5488.2 5511.9 5543.3 5551.5 5555.3 5557.5 5558.5 5558.1 5563.4 5556.5 5563.6 5531.5 5508.5 5466.5 5438.0 Thk1000-850mb(m)1340.3 1348.4 1366.1 1368.1 1366.2 1370.4 1379.2 1370.6 1366.9 1370.8 1380.1 1349.0 1333.0 1330.8 1334.0 Thk850-700mb(m):1560.4 1569.2 1575.4 1579.6 1590.1 1587.5 1580.7 1590.0 1597.0 1587.6 1587.1 1588.6 1579.3 1551.3 1543.1 SWEAT Index: 44.6 47.7 38.2 51.0 52.6 65.5 47.3 47.6 67.3 58.6 46.8 189.2 90.1 73.2 60.4 Total Totals Idx 43.9 34.1 31.9 44.5 44.1 45.6 44.2 46.4 46.2 48.4 45.0 51.9 45.2 44.3 46.4 Frz Hgt(ft amsl) 8384 9173 9575 9857 10018 9842 9587 10275 10344 10314 9976 10402 9873 5864 5766 0WetBlbHgt(amsl) 5749 5108 5815 6294 7892 7840 7091 8424 8194 8040 6989 8601 8609 5814 5623 Equil Prs (mb): 993 992 988 988 985 985 474 987 985 518 435 987 987 790 626 Equil Hgt(amsl): 26 26 26 26 26 26 19795 26 26 17625 21803 26 26 6624 12615 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 -0.04 Conv Wind Gust: 43.6 47.0 52.4 50.6 48.4 52.1 53.2 45.9 50.2 50.4 55.6 47.9 41.8 19.0 21.9 Showalter Index: 5.7 10.7 11.1 4.4 4.7 3.9 4.7 3.4 3.4 2.3 4.3 -0.2 4.8 6.2 5.2 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 -999.9 -999.9 0.0 0.0 -999.9 -999.9 -0.7 0.0 Storm Dir (deg): 265 257 236 210 190 187 220 179 184 190 216 197 156 189 243 Storm Spd (kts): 11 10 9 14 15 17 13 13 14 15 13 17 15 15 9 2m HeatIndex(F): 45 58 68 59 57 65 72 59 53 64 72 55 50 50 53 2m WindChill(F): 45 58 68 59 57 65 72 59 53 64 72 55 50 50 53 1000mb GPH (m): 148 134 105 98 79 79 79 92 78 81 66 93 92 105 102 950mb GPH (m): 572 563 542 533 511 514 521 526 508 516 507 522 517 529 529 950mb Temp (C): 9.4 10.3 15.8 15.5 14.2 14.2 18.2 15.0 13.7 15.1 18.2 9.9 7.1 7.1 8.1 950mb Dewpt(C): 1.0 0.6 3.4 2.7 1.1 3.5 5.9 6.9 5.4 5.0 6.4 2.8 4.2 6.9 8.0 950mb RH (%): 55 50 42 41 40 48 43 58 56 50 45 61 82 99 99 950mb Dir: 105 92 114 91 88 95 294 349 110 147 288 303 293 275 289 950mb Speed(kt): 15 11 3 15 21 15 4 14 7 5 6 12 7 7 6 900mb GPH (m): 1019 1011 996 989 966 970 980 984 964 972 966 969 959 972 972 900mb Temp (C): 7.9 9.0 11.5 13.2 13.6 14.1 13.9 14.2 14.3 14.2 14.5 8.2 4.6 4.6 4.6 900mb Dewpt(C): -1.4 -0.9 0.8 1.5 -0.7 -1.7 4.1 4.5 3.0 2.1 -1.0 1.3 4.1 4.4 4.4 900mb RH (%): 51 49 47 44 37 33 51 52 46 43 34 61 96 98 98 900mb Dir: 152 153 113 116 108 136 298 30 100 163 291 336 329 307 294 900mb Speed(kt): 10 10 4 8 20 18 3 12 14 9 7 17 18 14 9 850mb GPH (m): 1488 1482 1471 1466 1445 1449 1458 1463 1445 1452 1446 1442 1425 1435 1436 850mb Temp (C): 5.4 6.7 8.8 9.7 11.6 11.5 10.8 11.2 12.5 11.4 11.3 8.7 5.0 1.7 1.9 850mb Dewpt(C): 0.1 -8.7 -10.0 0.8 -4.0 -2.4 -2.2 -0.5 -2.7 -0.5 -2.4 6.0 2.2 1.6 1.6 850mb RH (%): 69 32 25 53 33 37 40 44 34 43 38 83 81 99 98 850mb Dir: 184 184 194 165 123 164 243 52 107 200 305 26 0 294 301 850mb Speed(kt): 10 13 12 9 10 15 7 11 18 10 4 11 15 10 9 800mb GPH (m): 1980 1977 1968 1966 1948 1952 1959 1966 1951 1954 1949 1942 1921 1923 1922 800mb Temp (C): 2.6 4.4 5.7 6.5 8.7 8.1 6.8 8.2 10.0 7.7 7.9 7.4 5.7 -0.6 -1.0 800mb Dewpt(C): -11.0 -15.4 -11.0 -11.6 -6.4 -3.8 -5.3 -3.4 -3.1 -2.5 -9.7 1.0 2.5 -0.8 -1.6 800mb RH (%): 36 22 29 26 33 42 42 43 39 48 27 63 79 99 95 800mb Dir: 208 191 193 184 139 167 206 78 139 185 245 62 33 229 275 800mb Speed(kt): 16 12 16 17 12 17 10 13 16 11 2 11 10 15 14 750mb GPH (m): 2499 2499 2492 2491 2478 2481 2485 2495 2482 2482 2476 2471 2448 2437 2435 750mb Temp (C): 0.3 1.8 2.5 3.2 4.7 4.0 2.9 4.8 5.8 4.0 4.4 5.7 3.7 -1.2 -3.1 750mb Dewpt(C): -32.5 -10.1 -10.8 -19.9 -6.8 -6.3 -9.5 -4.6 -7.4 -4.9 -9.3 -4.8 -2.2 -1.4 -4.7 750mb RH (%): 7 41 37 17 43 47 39 51 38 52 36 46 65 99 89 750mb Dir: 227 210 199 193 162 158 188 119 152 160 184 116 88 215 245 750mb Speed(kt): 14 10 16 26 17 20 16 15 15 15 9 15 15 12 16 700mb GPH (m): 3049 3051 3046 3046 3035 3037 3039 3053 3042 3040 3033 3030 3004 2987 2979 700mb Temp (C): -2.6 -1.6 -0.7 -0.3 0.1 -0.3 -0.8 0.7 0.9 0.8 0.1 1.3 0.0 -2.4 -5.7 700mb Dewpt(C): -19.0 -5.7 -5.2 -15.9 -6.1 -13.0 -15.4 -6.7 -4.8 -14.4 -10.0 -6.3 -3.2 -4.5 -8.1 700mb RH (%): 27 73 72 30 63 38 32 57 65 31 47 57 79 85 83 700mb Dir: 247 225 209 190 174 155 184 153 154 151 180 150 113 141 236 700mb Speed(kt): 14 10 14 28 20 27 23 21 17 27 17 23 20 15 12 650mb GPH (m): 3632 3638 3634 3633 3623 3624 3626 3642 3632 3630 3621 3620 3592 3572 3556 650mb Temp (C): -5.8 -5.4 -4.5 -4.9 -4.4 -4.0 -4.6 -4.4 -3.9 -3.6 -4.6 -4.1 -4.8 -5.3 -9.2 650mb Dewpt(C): -17.0 -8.8 -11.8 -6.9 -7.5 -38.9 -27.1 -10.1 -20.0 -14.4 -12.6 -10.6 -5.6 -8.8 -10.3 650mb RH (%): 41 77 57 86 79 5 16 64 28 43 54 61 94 77 91 650mb Dir: 259 239 222 190 183 159 185 166 159 148 180 164 127 143 217 650mb Speed(kt): 15 12 14 26 22 30 27 24 22 32 27 28 24 31 8 600mb GPH (m): 4254 4261 4258 4259 4248 4249 4250 4266 4256 4255 4245 4244 4217 4194 4170 600mb Temp (C): -9.5 -9.0 -9.0 -8.3 -9.2 -8.6 -8.4 -9.9 -9.0 -8.7 -9.2 -9.8 -9.1 -10.0 -12.7 600mb Dewpt(C): -14.6 -13.7 -18.7 -14.9 -11.7 -25.0 -25.8 -14.0 -23.8 -24.5 -14.6 -12.0 -10.1 -12.1 -13.1 600mb RH (%): 67 69 45 59 82 26 24 72 30 27 65 84 93 84 96 600mb Dir: 268 258 222 194 186 163 184 177 173 155 179 174 130 142 171 600mb Speed(kt): 16 16 15 24 25 32 31 28 29 34 33 38 31 38 12 550mb GPH (m): 4921 4928 4927 4929 4916 4918 4919 4932 4923 4921 4913 4909 4884 4859 4830 550mb Temp (C): -14.1 -13.7 -12.5 -12.0 -13.2 -13.0 -12.9 -13.7 -13.6 -14.0 -13.5 -14.8 -13.6 -14.9 -16.3 550mb Dewpt(C): -20.3 -19.9 -29.2 -29.4 -14.9 -16.5 -21.6 -15.3 -16.7 -19.8 -23.9 -16.9 -15.0 -16.9 -18.9 550mb RH (%): 60 60 24 23 87 75 49 87 78 62 42 84 89 85 80 550mb Dir: 260 263 222 194 190 171 175 179 176 159 177 176 142 139 146 550mb Speed(kt): 19 20 13 24 27 32 29 21 32 36 34 38 34 38 19 500mb GPH (m): 5636 5646 5648 5650 5634 5636 5638 5651 5641 5638 5630 5624 5600 5571 5540 500mb Temp (C): -19.2 -18.1 -16.6 -17.0 -18.2 -18.3 -17.8 -17.8 -18.2 -18.7 -18.0 -18.6 -19.0 -20.5 -21.5 500mb Dewpt(C): -26.9 -29.4 -35.7 -36.1 -20.4 -20.9 -20.8 -19.9 -20.6 -21.3 -25.6 -20.5 -21.1 -22.8 -26.6 500mb RH (%): 51 37 18 18 83 80 78 84 82 80 52 85 84 82 64 500mb Dir: 268 274 230 185 188 172 185 181 170 162 175 178 159 142 138 500mb Speed(kt): 24 22 14 24 33 35 33 25 31 38 38 38 35 34 23 450mb GPH (m): 6410 6425 6431 6431 6412 6414 6418 6430 6420 6416 6408 6399 6373 6340 6307 450mb Temp (C): -25.5 -23.3 -22.3 -22.3 -23.6 -23.4 -22.8 -23.0 -23.2 -23.3 -23.6 -25.2 -26.3 -27.4 -27.7 450mb Dewpt(C): -30.6 -31.3 -37.1 -40.1 -26.2 -26.0 -25.4 -27.1 -25.8 -25.8 -26.1 -26.6 -28.7 -30.0 -32.2 450mb RH (%): 63 49 26 19 80 79 80 70 80 80 80 88 80 79 66 450mb Dir: 277 289 224 186 181 176 191 174 169 171 178 177 167 138 138 450mb Speed(kt): 27 23 15 23 32 32 29 29 32 40 44 44 37 25 20 400mb GPH (m): 7253 7275 7284 7285 7263 7266 7271 7283 7272 7267 7259 7248 7212 7174 7140 400mb Temp (C): -31.4 -29.6 -29.1 -28.4 -28.8 -28.5 -28.6 -28.5 -28.9 -29.2 -28.5 -28.3 -32.1 -34.6 -35.0 400mb Dewpt(C): -35.9 -38.2 -37.6 -44.9 -31.7 -31.5 -32.7 -31.9 -31.8 -32.0 -37.8 -37.2 -36.5 -36.5 -40.9 400mb RH (%): 66 44 44 20 77 76 69 73 76 77 41 43 66 84 56 400mb Dir: 290 302 215 193 171 170 186 173 172 176 174 174 173 156 144 400mb Speed(kt): 38 26 13 22 35 29 29 27 35 45 44 50 45 24 15 350mb GPH (m): 8187 8213 8223 8226 8204 8208 8213 8225 8212 8206 8205 8192 8144 8095 8054 350mb Temp (C): -36.2 -36.4 -36.2 -35.8 -35.8 -35.9 -35.6 -35.1 -36.0 -36.6 -32.8 -34.4 -37.4 -39.6 -43.6 350mb Dewpt(C): -40.3 -43.7 -44.6 -44.8 -39.2 -39.2 -40.9 -38.6 -39.5 -40.0 -54.0 -51.2 -48.4 -51.8 -47.5 350mb RH (%): 67 48 43 41 72 72 60 71 71 72 11 18 32 28 66 350mb Dir: 296 301 226 199 180 170 182 185 178 171 196 176 172 167 162 350mb Speed(kt): 51 25 20 21 39 31 32 33 35 48 49 57 63 51 20 300mb GPH (m): 9238 9264 9274 9277 9254 9259 9267 9282 9266 9256 9273 9254 9193 9136 9073 300mb Temp (C): -44.7 -44.5 -44.8 -44.8 -44.9 -44.9 -44.1 -43.6 -43.6 -44.1 -40.6 -41.3 -44.1 -45.6 -49.1 300mb Dewpt(C): -49.5 -49.5 -52.1 -48.1 -48.5 -48.6 -47.6 -47.0 -47.1 -50.6 -53.2 -60.4 -55.7 -60.1 -57.1 300mb RH (%): 60 59 45 70 68 68 69 70 69 50 26 12 28 20 41 300mb Dir: 299 289 236 210 193 180 192 176 183 185 206 178 169 164 164 300mb Speed(kt): 55 31 24 23 42 40 34 32 43 54 66 65 74 81 44 250mb GPH (m): 10430 10456 10466 10467 10444 10450 10460 10475 10462 10460 10489 10468 10393 10330 10267 250mb Temp (C): -55.0 -54.9 -54.7 -55.4 -55.2 -55.2 -55.0 -54.8 -54.5 -51.0 -49.9 -50.5 -52.1 -52.3 -49.7 250mb Dewpt(C): -60.1 -57.7 -58.9 -59.1 -59.0 -58.6 -58.4 -58.5 -58.2 -65.4 -56.2 -58.6 -65.2 -65.1 -71.4 250mb RH (%): 55 72 61 65 65 68 67 65 65 18 50 40 21 22 7 250mb Dir: 305 287 234 217 203 182 193 188 181 206 207 175 167 165 167 250mb Speed(kt): 58 31 31 30 42 47 33 40 50 64 70 74 77 82 53 200mb GPH (m): 11824 11850 11862 11860 11838 11844 11856 11866 11854 11879 11908 11883 11816 11759 11721 200mb Temp (C): -61.8 -63.2 -62.7 -62.1 -61.8 -61.0 -60.9 -62.5 -62.3 -60.7 -60.5 -61.3 -57.4 -55.4 -51.0 200mb Dewpt(C): -69.0 -66.7 -66.9 -66.2 -67.1 -68.8 -66.2 -66.9 -67.6 -67.4 -69.8 -65.6 -73.1 -73.9 -82.6 200mb RH (%): 40 65 59 61 52 38 52 57 51 43 31 59 14 10 2 200mb Dir: 298 286 241 220 201 196 197 206 195 215 203 181 175 175 173 200mb Speed(kt): 51 31 30 26 35 36 39 40 53 77 64 77 57 69 36 150mb GPH (m): 13647 13655 13663 13658 13638 13646 13653 13657 13653 13667 13680 13673 13621 13596 13585 150mb Temp (C): -53.5 -53.8 -54.5 -55.1 -56.8 -56.9 -56.9 -58.1 -57.5 -58.5 -60.1 -56.5 -57.7 -53.8 -51.8 150mb Dewpt(C): -83.9 -84.1 -84.3 -84.8 -81.9 -86.6 -86.3 -82.3 -84.3 -84.8 -82.7 -85.8 -84.4 -88.3 -86.9 150mb RH (%): 2 2 2 2 4 2 2 4 3 3 5 2 3 1 1 150mb Dir: 294 276 251 218 213 203 203 200 199 207 211 188 173 189 184 150mb Speed(kt): 31 25 28 23 23 25 21 27 24 34 36 31 38 36 23 100mb GPH (m): 16215 16226 16225 16231 16199 16205 16218 16217 16209 16212 16225 16223 16190 16186 16185 100mb Temp (C): -60.3 -59.3 -59.7 -59.1 -58.9 -58.9 -57.9 -58.1 -58.0 -58.4 -58.9 -59.4 -57.8 -57.3 -57.0 100mb Dewpt(C): -92.9 -92.2 -92.5 -92.0 -87.6 -91.9 -91.2 -91.3 -86.9 -81.2 -91.9 -88.0 -80.7 -86.4 -90.5 100mb RH (%): 1 1 1 1 2 1 1 1 2 0 1 2 0 2 1 100mb Dir: 300 284 254 232 214 211 231 214 213 214 223 219 211 200 203 100mb Speed(kt): 27 21 16 14 12 15 16 15 18 23 19 23 17 18 24