Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAR 31, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 986.5 985.8 983.2 982.2 979.3 973.8 976.0 979.9 984.0 992.1 997.4 1001.3 1003.6 1004.9 1002.1 Mean SLP (mb): 1011.3 1010.6 1007.7 1006.8 1004.0 998.3 1000.5 1004.7 1008.9 1017.1 1022.3 1026.5 1029.0 1030.2 1026.8 2m agl Tmp (F): 44.0 39.8 49.2 47.4 41.8 44.6 44.7 40.6 38.7 42.9 47.3 42.8 39.5 44.5 54.7 2m agl Dewpt(F): 23.2 35.6 43.3 41.5 40.4 42.8 40.9 37.0 37.8 38.9 35.8 35.3 35.3 35.2 37.2 2m agl RH (%): 43 85 80 80 95 93 86 87 96 85 64 74 85 69 51 10m agl Dir: 84 85 98 178 168 147 219 165 184 268 271 305 77 240 314 10m agl Spd(kt): 8 9 5 7 9 12 11 5 2 5 7 3 0 1 4 6hr Precip (in): 0.00 0.03 0.01 0.00 0.13 0.31 0.20 0.08 0.08 0.03 0.00 0.00 0.00 0.00 0.00 AccumPrecip(in): 0.00 0.03 0.04 0.04 0.17 0.48 0.68 0.76 0.84 0.87 0.87 0.87 0.87 0.87 0.87 Sfc CAPE (J/kg): 0.0 0.1 2.7 21.9 13.8 1.5 170.3 17.1 3.4 58.8 33.7 2.9 0.9 4.1 0.0 Sfc CINH (J/kg): 0.0 0.0 -0.5 -4.5 0.0 0.0 -0.2 -1.8 -0.9 0.0 0.0 -5.7 -8.5 0.0 0.0 0-3km Hel(J/kg): 152.0 170.0 163.1 141.8 228.1 383.2 61.1 99.9 83.6 107.8 113.1 41.3 86.1 29.0 50.4 Precip H20 (in): 0.53 0.69 0.63 0.57 0.62 0.68 0.48 0.42 0.44 0.37 0.41 0.33 0.38 0.44 0.48 Lifted Index(C): 6.0 4.9 6.1 8.5 8.3 3.6 2.2 2.0 0.8 4.8 9.8 14.7 15.0 13.2 9.3 700mb VV(-ub/s): 0.7 1.7 1.6 6.6 6.0 17.2 10.5 -0.8 -2.0 1.6 -1.6 -1.5 -0.8 -1.5 0.2 Thk1000-500mb(m)5426.9 5413.2 5423.6 5416.9 5386.3 5403.9 5315.4 5283.4 5285.6 5286.1 5356.3 5397.8 5401.2 5413.6 5452.9 Thk1000-850mb(m)1326.7 1320.5 1329.6 1323.0 1312.1 1321.6 1316.7 1305.8 1304.0 1303.4 1310.4 1305.8 1300.9 1308.2 1333.0 Thk850-700mb(m):1543.5 1541.5 1539.1 1534.9 1528.8 1537.8 1514.9 1506.3 1508.4 1504.0 1514.2 1532.7 1537.6 1548.5 1556.2 SWEAT Index: 40.3 68.1 144.7 167.1 169.2 148.5 186.4 322.6 232.6 90.9 46.6 49.2 45.5 42.0 26.1 Total Totals Idx 43.0 47.7 45.1 36.3 42.5 48.9 53.1 56.8 59.2 50.0 39.9 21.3 24.7 22.7 30.5 Frz Hgt(ft amsl) 5844 5601 5405 4358 3077 4789 3424 2552 2614 2679 3321 3143 2552 7267 7891 0WetBlbHgt(amsl) 4903 5554 4960 3654 2909 4666 3376 2404 2539 2443 3212 2798 2365 2384 3283 Equil Prs (mb): 986 986 983 826 869 974 543 724 984 718 749 1001 1004 1005 1002 Equil Hgt(amsl): 26 26 26 5260 3822 26 15491 8517 26 9024 8130 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: 42.1 27.6 24.3 29.6 23.8 23.9 31.5 19.2 15.5 24.4 21.6 20.9 18.6 46.1 47.4 Showalter Index: 7.3 4.5 6.1 11.7 8.6 4.5 3.7 2.4 1.1 6.2 10.9 17.8 16.5 14.0 11.7 Cap Strength(C):-999.9 -999.9 -999.9 0.0 0.0 0.0 -1.5 -0.3 0.0 0.0 3.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 253 242 257 247 252 232 253 258 310 353 8 344 326 324 305 Storm Spd (kts): 12 12 16 20 23 29 22 12 7 16 12 9 9 8 7 2m HeatIndex(F): 44 40 49 47 42 45 45 41 39 43 47 43 39 44 55 2m WindChill(F): 44 33 49 47 42 45 45 41 39 43 47 43 39 44 55 1000mb GPH (m): 92 86 64 56 32 -14 4 38 72 139 182 215 233 244 221 950mb GPH (m): 513 504 488 479 451 407 426 456 488 555 602 632 647 659 646 950mb Temp (C): 6.3 4.6 7.3 6.6 3.6 5.1 5.0 2.8 1.7 1.7 4.1 2.5 0.9 1.0 7.2 950mb Dewpt(C): -4.8 2.9 5.3 3.3 3.4 4.7 3.8 1.0 1.5 1.0 0.7 0.3 0.1 -0.2 0.5 950mb RH (%): 44 89 87 79 98 97 92 87 98 95 78 85 94 92 62 950mb Dir: 93 96 127 189 177 151 220 181 205 276 274 302 209 158 325 950mb Speed(kt): 19 20 9 15 16 18 18 11 7 6 10 7 1 0 5 900mb GPH (m): 954 944 930 920 887 846 864 890 922 989 1038 1066 1079 1093 1089 900mb Temp (C): 4.8 3.4 4.2 2.8 0.2 2.9 1.4 -1.0 -0.7 -1.1 -0.3 -0.8 -2.1 1.9 5.7 900mb Dewpt(C): -4.6 2.7 4.1 0.2 -0.2 2.7 1.1 -1.2 -1.0 -2.8 -0.6 -2.1 -2.8 -9.5 -14.9 900mb RH (%): 50 95 99 83 98 98 98 99 98 89 98 91 95 42 21 900mb Dir: 115 146 195 201 195 177 225 193 245 310 273 262 231 312 344 900mb Speed(kt): 17 12 15 21 30 36 27 20 13 12 11 8 8 4 0 850mb GPH (m): 1419 1407 1393 1379 1344 1308 1321 1344 1376 1442 1493 1520 1534 1552 1554 850mb Temp (C): 3.1 2.1 1.3 -0.3 -1.2 0.6 -2.1 -3.4 -3.3 -4.2 -3.6 -2.0 -1.7 1.3 4.1 850mb Dewpt(C): -3.4 1.8 0.9 -5.1 -1.5 0.3 -2.3 -4.1 -3.5 -5.6 -4.3 -17.7 -16.0 -23.7 -16.2 850mb RH (%): 62 98 97 70 98 98 98 95 99 90 95 29 33 14 21 850mb Dir: 170 199 223 208 209 201 235 210 265 303 295 292 279 290 316 850mb Speed(kt): 7 12 19 24 33 49 30 18 8 15 17 11 12 7 1 800mb GPH (m): 1907 1893 1879 1861 1826 1793 1800 1821 1853 1917 1969 2000 2015 2038 2045 800mb Temp (C): -1.1 -1.3 -1.2 -2.4 -3.2 -1.3 -5.0 -6.5 -6.4 -7.4 -6.3 -3.8 -1.6 0.7 1.9 800mb Dewpt(C): -1.8 -1.4 -6.6 -3.1 -3.5 -1.6 -5.4 -7.6 -6.6 -10.0 -7.6 -10.0 -16.5 -23.4 -4.9 800mb RH (%): 95 99 67 95 98 98 97 92 99 81 91 62 31 15 61 800mb Dir: 235 208 223 209 226 213 240 217 248 304 311 306 290 302 284 800mb Speed(kt): 7 12 21 32 32 48 28 18 10 17 17 17 12 9 2 750mb GPH (m): 2420 2406 2391 2372 2335 2305 2304 2321 2354 2417 2471 2510 2528 2554 2563 750mb Temp (C): -3.4 -3.7 -4.0 -4.2 -5.5 -4.3 -8.2 -10.1 -9.4 -9.5 -8.6 -3.1 -2.9 -1.3 -0.8 750mb Dewpt(C): -4.8 -4.6 -5.1 -5.2 -5.8 -4.7 -8.8 -11.9 -10.4 -23.8 -10.2 -20.3 -18.4 -12.6 -8.1 750mb RH (%): 90 93 92 93 98 97 95 87 92 31 88 25 29 42 58 750mb Dir: 235 209 226 211 234 210 239 224 258 316 313 323 300 311 250 750mb Speed(kt): 12 10 21 35 30 37 25 18 11 21 20 14 14 9 6 700mb GPH (m): 2962 2948 2932 2914 2873 2846 2836 2851 2884 2946 3007 3053 3071 3100 3111 700mb Temp (C): -6.2 -6.2 -6.9 -7.1 -8.2 -7.2 -12.0 -12.8 -12.2 -12.3 -8.4 -5.8 -5.1 -4.4 -3.1 700mb Dewpt(C): -9.7 -6.3 -7.3 -9.9 -8.7 -7.9 -12.6 -17.0 -15.7 -27.8 -23.9 -25.1 -30.9 -8.0 -10.8 700mb RH (%): 76 100 96 81 96 94 95 71 75 27 28 21 11 76 55 700mb Dir: 237 225 228 216 234 210 233 229 290 322 348 314 294 304 255 700mb Speed(kt): 14 15 23 36 31 35 25 17 8 23 17 10 13 9 11 650mb GPH (m): 3539 3524 3507 3488 3445 3420 3398 3411 3447 3509 3578 3630 3650 3679 3692 650mb Temp (C): -9.3 -10.0 -9.8 -9.5 -11.0 -9.9 -16.6 -17.0 -16.0 -15.7 -11.7 -9.2 -8.1 -8.0 -7.7 650mb Dewpt(C): -13.6 -10.3 -14.8 -28.1 -11.7 -10.7 -17.2 -20.2 -21.6 -25.5 -24.1 -34.4 -29.1 -12.2 -12.6 650mb RH (%): 71 97 67 21 95 94 95 76 63 44 35 11 17 72 68 650mb Dir: 242 223 231 225 235 208 223 242 319 327 6 288 301 311 261 650mb Speed(kt): 19 19 26 32 34 38 27 12 8 25 20 7 15 12 14 600mb GPH (m): 4153 4137 4121 4102 4057 4033 3994 4006 4043 4105 4186 4243 4266 4296 4308 600mb Temp (C): -13.0 -13.4 -12.8 -13.3 -13.7 -13.6 -20.6 -21.1 -20.7 -21.1 -15.4 -12.8 -12.0 -13.1 -12.6 600mb Dewpt(C): -18.2 -14.0 -29.4 -14.1 -14.2 -14.8 -34.1 -26.4 -27.7 -22.3 -39.1 -49.7 -18.4 -16.5 -15.3 600mb RH (%): 65 95 24 93 96 91 30 63 54 90 12 3 59 76 81 600mb Dir: 242 231 235 226 236 205 223 259 311 331 26 293 312 298 271 600mb Speed(kt): 24 22 28 31 34 43 33 14 9 28 19 11 18 15 17 550mb GPH (m): 4811 4792 4779 4762 4713 4688 4632 4642 4679 4741 4838 4901 4925 4952 4966 550mb Temp (C): -16.8 -17.7 -16.8 -15.7 -17.7 -18.7 -24.4 -26.3 -26.5 -25.7 -19.4 -16.3 -16.6 -17.6 -17.3 550mb Dewpt(C): -24.3 -21.8 -35.9 -22.5 -19.1 -20.5 -41.2 -29.7 -35.6 -30.6 -47.8 -47.9 -22.7 -21.2 -22.1 550mb RH (%): 53 71 18 56 89 85 21 73 43 64 7 5 60 74 67 550mb Dir: 243 240 239 231 232 207 217 259 306 334 33 330 305 289 277 550mb Speed(kt): 24 23 27 30 37 49 42 17 12 34 17 20 21 19 20 500mb GPH (m): 5519 5500 5487 5473 5419 5390 5320 5322 5358 5425 5539 5612 5634 5657 5674 500mb Temp (C): -21.7 -21.9 -21.5 -20.9 -22.6 -24.0 -28.8 -32.1 -33.1 -29.9 -23.9 -20.5 -21.2 -22.5 -21.3 500mb Dewpt(C): -30.1 -33.0 -25.9 -25.6 -28.2 -26.4 -47.2 -35.2 -38.8 -44.0 -44.6 -41.5 -29.6 -27.0 -29.5 500mb RH (%): 47 37 68 66 61 81 16 75 58 25 14 14 48 67 48 500mb Dir: 247 246 243 237 227 205 207 252 310 335 43 341 300 282 276 500mb Speed(kt): 26 23 29 32 39 47 46 22 12 42 14 27 22 27 25 450mb GPH (m): 6286 6266 6255 6244 6183 6149 6066 6054 6087 6168 6299 6380 6403 6428 6444 450mb Temp (C): -27.2 -27.3 -27.1 -25.5 -27.6 -30.4 -33.7 -39.4 -39.6 -33.9 -29.1 -27.6 -25.7 -25.8 -25.8 450mb Dewpt(C): -37.0 -38.5 -31.5 -36.5 -43.2 -33.2 -51.7 -42.8 -45.9 -53.3 -51.5 -39.9 -40.6 -34.7 -30.6 450mb RH (%): 40 35 67 36 22 77 16 71 53 13 11 31 24 44 64 450mb Dir: 246 247 250 234 221 206 203 251 314 335 353 332 305 277 280 450mb Speed(kt): 27 23 27 30 47 46 45 23 15 51 29 31 26 30 31 400mb GPH (m): 7123 7103 7092 7087 7019 6973 6882 6850 6885 6987 7132 7217 7244 7270 7288 400mb Temp (C): -33.6 -33.5 -33.5 -32.1 -33.9 -37.6 -38.8 -43.2 -42.5 -36.9 -33.2 -33.2 -33.0 -31.9 -31.9 400mb Dewpt(C): -42.1 -40.4 -40.9 -44.7 -47.7 -40.8 -60.0 -51.9 -54.0 -60.9 -54.8 -38.4 -36.7 -40.0 -37.4 400mb RH (%): 44 51 48 29 25 72 10 40 29 7 11 60 71 46 59 400mb Dir: 245 246 258 228 216 211 200 236 318 333 348 326 309 279 278 400mb Speed(kt): 24 24 28 26 50 51 47 13 16 60 67 37 33 33 34 350mb GPH (m): 8044 8024 8013 8013 7938 7878 7787 7749 7786 7904 8059 8139 8168 8197 8214 350mb Temp (C): -41.1 -41.0 -41.3 -40.3 -42.0 -45.3 -43.4 -43.3 -42.9 -40.1 -38.9 -40.4 -40.4 -39.9 -39.5 350mb Dewpt(C): -49.7 -46.3 -47.3 -45.1 -47.0 -48.9 -64.6 -63.1 -66.9 -66.2 -57.4 -49.1 -47.7 -43.6 -46.2 350mb RH (%): 41 58 53 61 59 68 9 11 6 5 14 40 47 69 51 350mb Dir: 244 253 262 244 214 204 198 212 327 335 338 322 312 283 281 350mb Speed(kt): 20 24 28 27 52 61 41 17 28 66 74 48 38 35 38 300mb GPH (m): 9072 9053 9040 9043 8962 8889 8816 8784 8824 8945 9101 9172 9200 9229 9250 300mb Temp (C): -49.8 -49.6 -49.7 -49.7 -50.5 -52.0 -46.1 -43.4 -43.8 -44.3 -45.9 -48.1 -48.7 -48.9 -47.9 300mb Dewpt(C): -55.0 -56.1 -54.8 -53.7 -54.2 -58.5 -69.4 -71.4 -71.1 -69.2 -55.7 -60.5 -56.1 -52.7 -55.1 300mb RH (%): 56 49 57 64 66 48 7 4 4 6 34 25 44 66 45 300mb Dir: 247 252 261 257 211 202 207 246 315 335 333 320 310 283 283 300mb Speed(kt): 15 23 30 29 53 60 38 20 31 72 78 52 44 37 39 250mb GPH (m): 10239 10219 10211 10208 10130 10068 10027 10012 10047 10156 10291 10351 10371 10402 10427 250mb Temp (C): -57.5 -58.1 -56.4 -59.4 -55.9 -50.9 -45.4 -43.1 -44.3 -48.3 -53.8 -56.0 -57.7 -56.9 -56.7 250mb Dewpt(C): -65.8 -64.3 -64.9 -63.1 -62.3 -71.8 -74.9 -76.4 -76.8 -73.5 -62.3 -63.1 -63.4 -61.5 -63.3 250mb RH (%): 37 48 36 65 47 8 3 2 2 5 37 43 50 58 45 250mb Dir: 249 251 264 261 225 214 236 274 310 330 324 313 306 286 288 250mb Speed(kt): 16 27 33 37 48 46 40 26 39 67 83 56 52 45 51 200mb GPH (m): 11640 11618 11618 11595 11554 11526 11513 11508 11534 11614 11706 11752 11762 11794 11819 200mb Temp (C): -58.0 -57.9 -57.8 -59.0 -53.8 -49.3 -46.1 -45.1 -46.4 -50.6 -57.5 -60.3 -60.9 -61.6 -61.3 200mb Dewpt(C): -76.2 -75.3 -75.2 -72.3 -76.3 -82.2 -82.9 -82.1 -83.1 -81.4 -72.7 -69.9 -71.7 -68.3 -69.8 200mb RH (%): 10 11 11 19 6 2 1 1 1 2 15 30 26 43 34 200mb Dir: 258 262 258 239 245 241 257 281 302 322 321 304 298 287 281 200mb Speed(kt): 39 35 32 37 37 42 39 33 42 49 63 62 59 48 55 150mb GPH (m): 13467 13448 13446 13435 13413 13407 13408 13411 13426 13480 13535 13569 13572 13603 13627 150mb Temp (C): -54.6 -54.5 -53.7 -52.6 -51.7 -50.4 -49.8 -48.7 -50.1 -52.5 -54.2 -53.9 -55.6 -56.0 -56.3 150mb Dewpt(C): -88.8 -88.9 -88.2 -87.8 -86.8 -85.9 -85.4 -84.6 -85.7 -87.3 -87.9 -83.6 -84.9 -89.7 -85.6 150mb RH (%): 1 1 1 1 1 1 1 1 1 1 1 2 2 1 2 150mb Dir: 263 258 259 267 260 256 260 280 294 310 305 292 288 280 276 150mb Speed(kt): 42 35 38 34 32 40 38 37 39 43 44 45 44 41 48 100mb GPH (m): 16052 16032 16041 16031 16017 16023 16033 16045 16047 16080 16119 16146 16152 16183 16207 100mb Temp (C): -56.1 -56.0 -55.6 -56.1 -55.4 -54.8 -53.9 -53.7 -53.6 -55.4 -57.1 -57.6 -57.4 -58.1 -57.9 100mb Dewpt(C): -79.4 -79.3 -85.2 -85.5 -78.8 -84.5 -83.9 -83.7 -83.6 -85.0 -86.2 -86.6 -86.5 -91.3 -91.2 100mb RH (%): 0 0 2 2 0 2 2 2 2 2 2 2 2 1 1 100mb Dir: 263 262 259 270 269 270 274 280 293 288 297 291 282 282 278 100mb Speed(kt): 38 34 31 33 34 32 29 32 30 34 33 32 29 28 30