Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z MAY 12, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 987.6 987.6 986.9 988.7 988.3 994.6 999.0 1000.4 1000.0 999.7 998.5 998.3 997.0 996.8 995.7 Mean SLP (mb): 1011.7 1011.3 1010.5 1012.9 1012.7 1019.4 1023.6 1025.2 1024.9 1024.5 1023.1 1023.0 1022.0 1021.6 1020.4 2m agl Tmp (F): 59.5 71.9 73.3 58.8 51.7 47.4 53.5 50.3 49.2 53.4 53.6 50.6 45.8 50.0 50.6 2m agl Dewpt(F): 38.0 50.2 57.1 47.2 46.0 46.4 47.3 44.3 45.5 46.9 46.2 46.0 42.6 40.5 44.8 2m agl RH (%): 44 45 56 65 81 96 79 79 87 78 75 84 88 69 80 10m agl Dir: 82 122 254 255 201 218 247 224 211 206 263 230 273 212 229 10m agl Spd(kt): 8 5 7 3 4 13 8 4 4 5 3 4 3 6 10 6hr Precip (in): 0.00 0.00 0.00 0.01 0.03 0.44 0.18 0.00 0.00 0.01 0.01 0.05 0.02 0.00 0.11 AccumPrecip(in): 0.00 0.00 0.00 0.01 0.05 0.49 0.67 0.67 0.67 0.68 0.69 0.74 0.75 0.76 0.87 Sfc CAPE (J/kg): 0.0 1.0 188.0 0.0 0.0 32.3 59.9 21.2 23.6 49.0 21.6 26.2 27.1 59.0 175.5 Sfc CINH (J/kg): 0.0 -8.7 -56.9 -0.1 -0.6 0.0 0.0 -0.1 -0.4 0.0 -0.9 -0.1 -0.5 0.0 -0.4 0-3km Hel(J/kg): 200.3 96.9 155.1 27.5 28.9 329.7 134.7 143.4 108.3 66.8 125.9 163.9 122.8 123.1 113.6 Precip H20 (in): 0.62 0.86 1.06 0.88 0.76 0.75 0.62 0.55 0.55 0.61 0.81 0.52 0.43 0.58 0.55 Lifted Index(C): 4.9 3.8 -0.4 6.7 3.9 6.4 7.9 10.5 9.8 9.1 5.2 7.6 9.9 7.6 7.8 700mb VV(-ub/s): 2.0 3.4 1.2 -1.0 1.4 7.6 -3.9 -3.6 -2.1 0.6 5.9 -1.8 0.4 2.2 2.4 Thk1000-500mb(m)5668.1 5651.0 5629.1 5567.6 5461.7 5421.7 5460.4 5473.8 5470.8 5469.3 5460.2 5453.0 5418.2 5382.1 5364.7 Thk1000-850mb(m)1385.8 1382.2 1383.4 1355.5 1337.5 1322.9 1331.8 1326.5 1324.7 1325.6 1333.9 1327.4 1315.5 1314.6 1320.8 Thk850-700mb(m):1624.3 1617.1 1601.6 1581.8 1557.2 1541.3 1545.4 1549.0 1553.0 1557.2 1555.2 1548.7 1541.8 1527.7 1519.9 SWEAT Index: 56.8 83.4 155.0 92.0 69.0 103.0 105.0 78.5 72.6 63.3 98.1 92.9 167.7 139.2 120.2 Total Totals Idx 39.8 43.0 47.3 39.9 45.6 43.9 37.8 34.6 36.9 35.8 42.7 41.2 38.2 42.5 40.2 Frz Hgt(ft amsl) 12922 12498 12036 11064 7741 4960 5806 6006 8088 8540 7945 7140 4247 3627 4241 0WetBlbHgt(amsl) 9978 11505 10841 6722 7588 4821 5267 4878 5078 4771 7838 5298 3871 3425 4175 Equil Prs (mb): 988 988 307 989 988 826 776 839 844 835 830 839 848 776 602 Equil Hgt(amsl): 26 26 30206 26 26 5615 7413 5375 5202 5478 5632 5317 4978 7237 13645 Hail Size(in): 0.00 0.00 -0.24 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: 55.9 53.2 43.1 50.4 26.9 23.5 27.7 26.7 23.3 22.9 17.9 24.4 22.1 26.4 32.3 Showalter Index: 5.8 4.2 1.2 7.1 5.7 7.2 10.1 12.0 10.6 11.4 7.4 8.2 11.0 9.2 9.8 Cap Strength(C):-999.9 -999.9 1.3 -999.9 -999.9 -0.7 -999.9 0.0 3.6 -999.9 2.0 2.3 3.4 -999.9 -999.9 Storm Dir (deg): 218 210 227 220 231 309 308 307 304 290 289 292 289 277 290 Storm Spd (kts): 17 15 18 19 16 23 22 20 19 15 21 21 19 22 25 2m HeatIndex(F): 59 72 73 59 52 47 53 50 49 53 54 51 46 50 51 2m WindChill(F): 59 72 73 59 52 47 53 50 49 53 54 51 46 50 51 1000mb GPH (m): 98 97 91 108 105 159 196 207 204 202 192 190 179 177 168 950mb GPH (m): 534 537 534 541 532 581 622 632 627 626 618 614 599 598 591 950mb Temp (C): 18.6 17.7 18.5 11.9 8.4 5.5 7.8 6.6 6.3 6.2 7.9 6.7 3.8 4.5 5.7 950mb Dewpt(C): 1.8 7.3 12.4 5.4 5.5 5.2 6.5 5.2 6.0 6.0 6.5 6.4 3.5 3.0 4.4 950mb RH (%): 32 50 66 63 82 98 91 91 98 98 91 98 98 90 91 950mb Dir: 95 116 253 264 209 225 248 236 229 212 251 238 281 212 232 950mb Speed(kt): 21 8 8 5 10 29 17 14 12 7 8 11 5 8 17 900mb GPH (m): 997 996 995 991 977 1021 1065 1073 1068 1067 1062 1056 1037 1035 1030 900mb Temp (C): 18.1 15.3 14.3 9.9 6.0 3.0 4.1 3.2 3.1 3.0 5.0 3.5 1.3 0.4 1.9 900mb Dewpt(C): 1.5 3.5 10.7 3.5 2.1 2.7 3.7 2.6 2.8 1.9 4.8 3.2 0.6 -0.3 1.7 900mb RH (%): 32 44 79 64 76 98 97 96 98 92 98 98 95 95 99 900mb Dir: 118 152 251 247 222 242 249 239 237 219 241 244 252 229 239 900mb Speed(kt): 22 12 8 5 11 37 21 17 13 9 12 13 9 11 22 850mb GPH (m): 1484 1479 1474 1464 1443 1482 1528 1534 1529 1527 1525 1517 1495 1492 1489 850mb Temp (C): 16.6 13.8 10.2 7.2 3.4 0.1 0.8 0.3 0.4 0.9 1.1 0.9 -1.0 -2.3 -1.4 850mb Dewpt(C): -2.7 2.1 8.1 1.5 -1.3 -0.2 -0.2 -0.9 -0.1 -2.3 0.7 0.4 -3.4 -3.5 -1.8 850mb RH (%): 26 45 87 67 71 98 92 92 96 79 97 97 84 92 97 850mb Dir: 154 175 220 224 230 259 253 256 248 257 255 254 229 240 257 850mb Speed(kt): 12 10 8 11 12 36 25 17 11 9 18 15 16 16 26 800mb GPH (m): 1997 1989 1978 1961 1933 1967 2013 2019 2015 2017 2014 2004 1978 1970 1969 800mb Temp (C): 14.5 12.8 8.8 6.2 2.0 -1.0 -0.9 -0.2 1.6 3.3 1.5 0.9 -0.4 -4.7 -4.3 800mb Dewpt(C): -8.3 -0.5 4.3 -7.6 1.6 -1.3 -2.4 -6.4 -12.8 -19.7 1.4 -7.9 -22.8 -7.1 -4.6 800mb RH (%): 19 39 73 36 97 98 90 62 34 17 99 52 17 83 98 800mb Dir: 187 174 192 221 241 278 258 274 279 261 259 244 260 254 257 800mb Speed(kt): 16 15 14 15 13 33 21 23 20 17 29 26 19 22 27 750mb GPH (m): 2538 2527 2511 2487 2452 2480 2527 2535 2533 2535 2532 2520 2492 2478 2475 750mb Temp (C): 11.5 10.0 7.4 3.7 -0.4 -3.1 -2.4 -0.8 -0.2 0.4 -0.4 -1.9 -2.5 -4.4 -7.5 750mb Dewpt(C): -10.7 -5.1 -1.3 -11.0 -0.9 -3.5 -6.0 -10.8 -28.9 -29.1 -0.7 -17.3 -25.7 -20.8 -7.8 750mb RH (%): 20 34 53 33 97 96 76 46 10 9 98 30 15 27 98 750mb Dir: 202 180 194 207 229 282 265 281 286 279 262 253 268 247 258 750mb Speed(kt): 22 19 24 25 17 30 25 27 26 18 31 31 26 32 26 700mb GPH (m): 3108 3096 3076 3046 3000 3023 3073 3083 3082 3085 3081 3066 3037 3019 3009 700mb Temp (C): 6.7 5.7 3.7 2.0 -4.1 -6.1 -3.7 -2.8 -2.3 -2.6 -3.9 -3.8 -4.1 -7.1 -10.5 700mb Dewpt(C): -9.2 -2.5 1.7 -0.7 -5.1 -7.0 -17.0 -33.4 -31.8 -22.7 -4.2 -44.2 -28.2 -9.9 -12.6 700mb RH (%): 31 55 87 82 93 93 35 8 9 20 98 3 14 80 85 700mb Dir: 205 179 190 195 215 294 277 284 286 272 259 264 263 249 259 700mb Speed(kt): 26 23 31 35 24 31 28 31 30 23 31 32 34 37 30 650mb GPH (m): 3710 3697 3673 3640 3581 3600 3654 3667 3667 3668 3662 3647 3616 3594 3574 650mb Temp (C): 1.5 0.7 0.0 -1.7 -7.2 -9.2 -6.9 -4.5 -4.6 -6.2 -7.8 -6.6 -7.9 -10.2 -14.1 650mb Dewpt(C): -12.9 -2.3 -10.7 -2.7 -10.1 -10.6 -21.5 -37.7 -38.7 -10.7 -8.1 -29.1 -21.9 -12.4 -25.3 650mb RH (%): 33 80 44 92 80 90 31 6 5 71 97 15 32 84 39 650mb Dir: 207 178 189 178 202 303 289 289 287 262 256 269 260 249 262 650mb Speed(kt): 27 29 38 40 27 30 33 34 31 27 33 34 36 42 33 600mb GPH (m): 4348 4334 4309 4273 4200 4215 4274 4293 4291 4289 4279 4267 4233 4205 4178 600mb Temp (C): -2.7 -3.5 -3.4 -5.6 -11.5 -12.5 -10.0 -7.9 -8.9 -10.1 -11.8 -10.5 -12.3 -14.2 -16.4 600mb Dewpt(C): -20.6 -13.7 -21.1 -6.9 -13.5 -14.0 -30.5 -35.9 -38.2 -13.7 -14.5 -29.5 -24.8 -14.8 -45.6 600mb RH (%): 24 45 24 90 85 89 17 9 8 75 81 20 35 95 7 600mb Dir: 212 187 191 176 192 302 294 293 279 259 258 273 258 249 268 600mb Speed(kt): 27 32 42 43 29 31 39 41 33 27 40 40 39 46 43 550mb GPH (m): 5032 5016 4990 4950 4859 4873 4940 4962 4958 4955 4940 4930 4890 4859 4828 550mb Temp (C): -7.2 -8.1 -8.5 -10.3 -16.9 -17.1 -13.6 -12.8 -13.5 -14.1 -15.5 -15.1 -17.6 -19.3 -19.1 550mb Dewpt(C): -21.7 -22.8 -24.5 -11.6 -19.3 -19.3 -51.1 -33.7 -21.8 -19.7 -30.3 -32.6 -27.5 -21.2 -46.9 550mb RH (%): 31 30 27 90 82 83 3 16 50 63 28 22 42 86 7 550mb Dir: 214 194 191 180 184 307 294 286 275 259 259 269 258 251 265 550mb Speed(kt): 30 36 44 48 35 33 47 43 42 35 46 49 42 49 57 500mb GPH (m): 5766 5748 5720 5676 5567 5581 5656 5681 5675 5671 5652 5643 5598 5559 5532 500mb Temp (C): -13.0 -13.5 -14.5 -15.6 -21.8 -22.0 -18.6 -17.7 -18.3 -18.6 -20.4 -19.9 -21.3 -24.1 -21.7 500mb Dewpt(C): -18.2 -24.6 -27.8 -17.5 -27.9 -25.4 -37.1 -38.2 -21.1 -20.5 -39.4 -34.5 -48.9 -26.2 -41.6 500mb RH (%): 65 39 32 86 58 74 19 16 79 85 18 27 7 83 16 500mb Dir: 213 191 192 183 182 316 296 281 276 265 265 266 258 251 266 500mb Speed(kt): 32 37 42 53 44 32 55 44 51 45 53 58 51 58 69 450mb GPH (m): 6560 6539 6508 6463 6335 6345 6432 6461 6455 6452 6424 6415 6367 6320 6304 450mb Temp (C): -18.9 -20.2 -20.8 -21.3 -26.8 -28.5 -24.2 -22.9 -22.1 -21.7 -25.2 -25.6 -26.7 -29.4 -24.1 450mb Dewpt(C): -23.1 -23.3 -31.2 -23.3 -39.4 -32.7 -36.4 -25.9 -24.9 -25.7 -54.5 -42.1 -44.1 -32.2 -31.0 450mb RH (%): 70 77 40 84 30 68 33 77 78 70 5 21 19 77 53 450mb Dir: 208 188 194 183 177 311 298 278 276 266 267 269 257 250 272 450mb Speed(kt): 36 36 45 56 53 33 60 49 61 61 64 62 61 60 87 400mb GPH (m): 7424 7397 7366 7319 7174 7177 7280 7314 7312 7312 7271 7256 7205 7152 7154 400mb Temp (C): -25.9 -27.6 -27.5 -28.4 -31.9 -33.8 -30.2 -28.2 -27.4 -25.8 -28.8 -32.4 -33.0 -33.1 -30.1 400mb Dewpt(C): -28.3 -32.1 -38.1 -31.1 -47.7 -38.7 -36.5 -31.3 -31.0 -32.6 -52.6 -52.7 -43.5 -45.4 -34.8 400mb RH (%): 81 66 37 78 21 62 55 76 72 53 9 13 36 29 64 400mb Dir: 204 188 198 184 176 309 298 282 277 267 259 263 253 261 271 400mb Speed(kt): 42 41 52 61 61 35 71 62 74 72 85 65 65 78 91 350mb GPH (m): 8375 8344 8313 8260 8108 8110 8214 8259 8261 8265 8217 8182 8130 8083 8089 350mb Temp (C): -34.0 -33.8 -34.2 -35.3 -36.0 -35.7 -37.2 -34.8 -33.0 -32.6 -33.2 -39.7 -40.0 -36.9 -37.5 350mb Dewpt(C): -37.3 -50.5 -42.0 -39.1 -61.1 -62.3 -42.1 -39.5 -39.4 -41.1 -41.3 -59.8 -44.1 -46.3 -43.5 350mb RH (%): 73 18 46 70 7 6 62 63 54 44 45 11 66 39 55 350mb Dir: 210 199 201 186 176 306 295 285 279 262 255 259 254 268 269 350mb Speed(kt): 41 51 61 74 65 50 78 75 83 76 100 71 68 103 92 300mb GPH (m): 9434 9408 9375 9316 9169 9171 9264 9318 9328 9334 9282 9226 9162 9131 9133 300mb Temp (C): -42.5 -41.7 -41.4 -43.4 -40.3 -39.7 -43.8 -42.1 -40.6 -40.4 -41.3 -44.4 -47.9 -45.2 -45.9 300mb Dewpt(C): -45.9 -54.5 -45.0 -47.2 -63.6 -67.8 -51.1 -48.7 -52.3 -50.6 -53.6 -54.7 -52.1 -50.1 -51.4 300mb RH (%): 71 26 69 67 7 4 46 50 29 35 27 33 64 59 55 300mb Dir: 202 204 201 188 181 298 301 292 280 265 257 257 261 267 265 300mb Speed(kt): 43 63 66 88 62 46 95 91 90 84 105 102 83 109 93 250mb GPH (m): 10642 10618 10587 10519 10402 10410 10472 10530 10543 10550 10498 10430 10349 10324 10320 250mb Temp (C): -50.9 -50.5 -50.7 -51.0 -43.2 -42.0 -47.1 -49.1 -50.2 -50.0 -49.6 -50.7 -52.2 -52.8 -53.9 250mb Dewpt(C): -55.9 -53.8 -54.5 -59.4 -73.7 -74.3 -71.9 -62.9 -58.3 -61.7 -62.4 -60.7 -65.0 -61.1 -59.9 250mb RH (%): 57 70 65 38 3 2 5 20 40 26 23 32 22 38 50 250mb Dir: 214 205 201 190 200 285 293 291 283 266 259 258 259 259 264 250mb Speed(kt): 52 67 78 92 48 44 81 88 95 88 112 121 82 96 93 200mb GPH (m): 12059 12039 12009 11957 11896 11913 11964 11983 11974 11977 11931 11863 11789 11758 11749 200mb Temp (C): -61.1 -60.9 -59.2 -53.9 -45.8 -43.7 -42.8 -49.9 -55.2 -57.4 -55.4 -55.0 -52.2 -51.8 -52.2 200mb Dewpt(C): -66.7 -63.9 -68.5 -70.1 -83.2 -81.2 -80.0 -73.2 -72.1 -70.7 -72.3 -75.9 -77.7 -77.5 -77.2 200mb RH (%): 50 69 31 14 1 1 1 6 12 19 12 7 4 4 4 200mb Dir: 226 209 203 201 233 279 291 280 277 260 255 255 250 262 270 200mb Speed(kt): 61 69 78 60 36 46 54 58 80 80 100 99 77 72 77 150mb GPH (m): 13825 13823 13819 13804 13789 13823 13868 13871 13840 13820 13783 13728 13654 13628 13620 150mb Temp (C): -63.2 -60.1 -57.0 -53.9 -50.7 -49.9 -51.7 -50.9 -50.2 -52.6 -52.5 -51.1 -51.2 -50.9 -50.6 150mb Dewpt(C): -77.8 -81.7 -83.7 -84.2 -86.1 -85.5 -86.8 -86.2 -85.7 -87.4 -86.5 -86.4 -81.9 -86.2 -81.4 150mb RH (%): 15 6 3 2 1 1 1 1 1 1 1 1 2 1 2 150mb Dir: 222 218 213 226 253 292 282 269 261 256 252 253 254 260 262 150mb Speed(kt): 46 46 45 34 28 41 48 43 47 48 60 60 59 56 46 100mb GPH (m): 16356 16365 16381 16389 16380 16413 16432 16440 16410 16391 16371 16332 16274 16258 16250 100mb Temp (C): -58.9 -58.1 -57.6 -57.1 -58.1 -57.8 -60.0 -60.3 -60.9 -59.2 -57.3 -55.9 -53.9 -51.8 -51.6 100mb Dewpt(C): -92.1 -91.3 -91.0 -90.6 -87.0 -91.2 -88.4 -88.7 -89.1 -87.8 -86.4 -85.4 -83.8 -103.8 -95.8 100mb RH (%): 1 1 1 1 2 1 2 2 2 2 2 2 2 0 0 100mb Dir: 244 227 233 244 269 282 285 279 251 236 248 241 254 247 248 100mb Speed(kt): 23 20 23 23 25 26 31 22 28 36 42 40 38 31 35