Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z SEP 23, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 993.5 994.5 995.1 996.0 994.0 993.5 990.4 987.9 984.5 985.4 985.1 986.9 995.9 999.2 999.5 Mean SLP (mb): 1017.3 1018.7 1019.5 1020.3 1017.9 1017.8 1014.7 1011.8 1008.0 1009.4 1009.3 1011.2 1020.3 1023.8 1024.3 2m agl Tmp (F): 69.2 58.8 55.3 59.2 66.5 56.6 53.1 65.1 72.7 62.1 56.2 52.1 54.0 51.4 49.0 2m agl Dewpt(F): 52.5 51.7 52.2 53.4 51.3 50.7 48.6 51.1 48.9 49.4 53.7 50.5 47.1 45.2 44.2 2m agl RH (%): 54 77 89 80 57 80 84 59 42 62 91 94 77 79 83 10m agl Dir: 290 322 334 260 318 347 45 137 216 224 168 184 267 258 173 10m agl Spd(kt): 4 3 1 2 6 2 2 2 5 7 4 5 7 4 1 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.11 0.13 0.08 0.06 0.00 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.13 0.27 0.34 0.40 0.40 Sfc CAPE (J/kg): 38.1 0.0 0.0 2.6 2.7 0.0 0.0 0.0 0.0 1.0 124.8 15.8 59.6 54.6 8.1 Sfc CINH (J/kg): 0.0 0.0 0.0 -2.3 0.0 0.0 0.0 0.0 0.0 0.0 -42.7 -17.0 0.0 -0.1 -13.3 0-3km Hel(J/kg): 29.7 81.4 84.4 87.5 116.5 110.6 169.9 152.0 163.6 140.1 143.0 319.5 27.0 80.8 59.9 Precip H20 (in): 0.69 0.70 0.78 0.78 0.83 0.85 0.93 0.97 0.94 1.08 0.71 0.74 0.63 0.51 0.50 Lifted Index(C): 4.6 5.4 4.7 7.9 6.7 8.8 8.5 5.7 3.4 4.4 1.2 2.9 4.6 14.3 13.9 700mb VV(-ub/s): -0.4 -1.4 0.2 -0.2 -0.9 -1.3 0.9 1.3 3.0 0.9 4.2 -1.9 2.2 0.0 -3.6 Thk1000-500mb(m)5593.0 5584.7 5567.6 5567.1 5595.1 5603.9 5616.2 5629.7 5628.4 5567.5 5493.6 5465.6 5424.0 5441.6 5463.7 Thk1000-850mb(m)1367.1 1358.7 1352.5 1352.4 1365.3 1359.9 1365.6 1374.0 1385.1 1361.4 1349.9 1340.2 1334.0 1327.6 1326.9 Thk850-700mb(m):1587.2 1590.3 1584.7 1584.5 1592.0 1596.7 1601.5 1603.0 1602.3 1580.7 1561.8 1555.0 1540.9 1534.9 1539.6 SWEAT Index: 107.4 97.3 57.7 50.2 83.0 48.4 61.4 72.2 171.9 174.2 166.0 271.4 108.2 80.3 73.2 Total Totals Idx 40.3 40.3 35.6 33.8 36.8 28.6 32.5 29.4 47.1 41.2 45.8 49.0 45.4 27.4 30.1 Frz Hgt(ft amsl) 11858 11796 11505 11247 11449 11398 12098 12453 11717 10205 8895 7122 5977 5342 5489 0WetBlbHgt(amsl) 7394 6574 8309 7656 6469 9792 10745 10962 10747 9253 6478 7026 5662 5061 5109 Equil Prs (mb): 800 995 995 996 994 994 990 988 985 985 518 737 595 746 1000 Equil Hgt(amsl): 6608 26 26 26 26 26 26 26 26 26 17400 8459 14080 8388 26 Hail Size(in): 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00 -0.24 0.00 0.00 0.00 0.00 Conv Wind Gust: 38.3 35.6 25.6 42.9 50.8 44.6 45.1 47.7 56.5 43.0 34.4 19.5 33.0 24.2 24.4 Showalter Index: 6.0 6.3 9.7 10.3 8.0 12.9 10.3 11.3 1.6 5.5 4.4 2.5 5.8 15.4 14.0 Cap Strength(C):-999.9 -999.9 -999.9 4.4 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.8 0.6 0.0 -0.8 -999.9 Storm Dir (deg): 295 288 276 269 274 256 246 237 232 231 235 270 308 315 335 Storm Spd (kts): 11 13 13 13 12 12 15 18 22 30 26 18 21 18 14 2m HeatIndex(F): 69 59 55 59 67 57 53 65 73 62 56 52 54 51 49 2m WindChill(F): 69 59 55 59 67 57 53 65 73 62 56 52 54 51 49 1000mb GPH (m): 148 157 163 170 152 149 122 100 69 79 78 93 169 197 200 950mb GPH (m): 586 590 593 601 589 581 554 536 512 514 509 520 596 622 623 950mb Temp (C): 15.4 12.8 11.5 11.4 14.6 13.3 13.7 15.6 19.0 13.5 11.6 8.7 8.2 7.0 6.0 950mb Dewpt(C): 9.7 10.0 10.3 7.8 9.6 9.2 7.9 7.5 7.8 8.6 10.5 8.5 6.9 5.8 5.2 950mb RH (%): 68 83 92 78 71 76 67 58 47 72 93 99 91 92 95 950mb Dir: 293 337 307 241 323 7 59 114 209 225 192 192 270 269 218 950mb Speed(kt): 6 10 4 2 7 8 3 4 5 11 15 13 11 9 3 900mb GPH (m): 1041 1043 1043 1050 1043 1034 1009 993 972 967 958 966 1040 1063 1064 900mb Temp (C): 11.0 10.3 9.2 8.9 11.1 10.8 13.1 14.4 15.4 10.6 8.0 6.2 4.4 3.0 3.9 900mb Dewpt(C): 8.6 8.2 8.8 4.7 6.7 3.5 2.9 4.8 2.2 5.2 7.3 5.9 4.3 2.7 2.1 900mb RH (%): 85 87 97 75 74 60 49 52 40 69 95 98 99 98 88 900mb Dir: 293 291 261 312 345 339 147 164 192 211 202 207 290 285 301 900mb Speed(kt): 6 5 8 5 5 1 4 7 10 21 28 32 20 10 8 850mb GPH (m): 1515 1516 1515 1523 1517 1509 1488 1474 1454 1441 1427 1434 1503 1524 1527 850mb Temp (C): 6.5 7.5 8.0 8.1 8.2 9.8 12.6 13.0 12.5 7.9 4.5 4.6 1.8 0.6 1.0 850mb Dewpt(C): 5.9 4.3 -2.7 -0.6 3.7 -4.4 -5.7 -10.2 6.2 5.2 3.2 4.3 1.0 -0.4 -0.5 850mb RH (%): 96 80 46 54 73 36 27 18 65 83 91 98 95 93 90 850mb Dir: 293 274 282 290 253 218 189 197 200 209 208 223 307 284 314 850mb Speed(kt): 7 8 10 5 4 6 11 14 22 29 35 39 26 14 15 800mb GPH (m): 2010 2017 2014 2021 2018 2012 1994 1980 1960 1938 1918 1926 1989 2009 2011 800mb Temp (C): 6.0 9.2 6.7 6.0 8.7 9.9 10.4 9.9 9.8 5.0 0.8 1.7 -0.9 -2.3 -2.2 800mb Dewpt(C): -5.4 -18.0 -1.8 0.9 -20.0 -19.4 -7.2 0.9 0.1 2.6 0.0 1.4 -2.4 -4.6 -4.8 800mb RH (%): 44 13 54 70 11 11 28 53 50 84 95 98 90 84 83 800mb Dir: 303 300 261 228 232 225 198 203 200 207 209 262 309 278 327 800mb Speed(kt): 14 12 11 13 15 12 16 20 27 34 33 23 29 16 18 750mb GPH (m): 2540 2547 2542 2548 2548 2544 2527 2513 2493 2464 2437 2443 2502 2519 2522 750mb Temp (C): 6.3 5.3 4.1 4.8 6.3 6.2 6.4 7.2 7.0 3.6 1.4 -1.9 -3.6 -4.6 -2.8 750mb Dewpt(C): -11.8 -3.8 -4.7 -16.0 -11.8 -3.1 -0.5 -0.5 -2.8 -1.8 -10.6 -2.5 -6.3 -11.8 -14.8 750mb RH (%): 26 51 53 21 26 51 61 58 49 68 40 96 82 57 39 750mb Dir: 279 267 249 232 235 220 204 204 202 198 211 259 301 285 329 750mb Speed(kt): 15 15 17 18 18 15 20 25 32 44 35 14 31 18 17 700mb GPH (m): 3102 3106 3100 3107 3109 3106 3089 3077 3057 3021 2989 2989 3044 3059 3066 700mb Temp (C): 3.2 2.3 2.0 2.0 2.5 2.4 3.4 3.6 3.7 0.6 -1.4 -4.5 -6.3 -6.5 -4.6 700mb Dewpt(C): -12.6 -12.0 -13.7 -15.3 -5.7 -3.3 -2.2 -0.4 -1.2 -1.7 -17.7 -7.5 -15.1 -30.4 -37.6 700mb RH (%): 30 34 30 26 54 66 66 75 70 85 28 79 50 13 6 700mb Dir: 261 250 246 234 236 215 213 208 206 194 211 229 289 291 322 700mb Speed(kt): 18 20 22 21 20 18 24 29 37 51 38 17 30 24 16 650mb GPH (m): 3698 3701 3694 3701 3704 3700 3687 3676 3654 3613 3574 3569 3620 3634 3645 650mb Temp (C): -0.5 -0.5 -0.9 -1.7 -1.4 -1.4 0.0 0.7 -0.6 -3.4 -5.6 -7.6 -9.7 -9.9 -7.5 650mb Dewpt(C): -17.9 -20.8 -17.7 -15.0 -8.5 -8.2 -2.6 -4.8 -3.7 -4.2 -18.1 -16.9 -17.7 -36.0 -42.1 650mb RH (%): 26 20 27 36 59 60 82 67 79 94 37 48 52 10 5 650mb Dir: 248 244 244 236 235 215 221 209 206 191 210 236 275 290 314 650mb Speed(kt): 22 25 26 23 22 22 29 37 40 57 38 22 30 29 20 600mb GPH (m): 4332 4335 4327 4332 4337 4334 4323 4314 4288 4241 4196 4186 4231 4248 4265 600mb Temp (C): -4.4 -4.1 -5.1 -5.8 -5.3 -4.7 -4.0 -3.0 -4.8 -6.7 -10.2 -11.8 -14.5 -11.6 -9.1 600mb Dewpt(C): -29.1 -27.6 -22.7 -16.5 -10.0 -8.4 -7.5 -8.6 -12.1 -7.7 -21.0 -38.3 -18.9 -47.1 -47.6 600mb RH (%): 13 14 24 43 69 76 77 65 57 92 41 10 69 4 3 600mb Dir: 248 245 239 237 239 219 224 212 201 191 206 251 264 290 307 600mb Speed(kt): 22 28 30 25 24 26 32 42 42 63 40 25 33 35 31 550mb GPH (m): 5011 5014 5004 5008 5015 5016 5005 4998 4967 4917 4859 4847 4887 4912 4936 550mb Temp (C): -8.8 -9.3 -9.8 -10.2 -8.8 -6.8 -8.4 -7.9 -9.0 -9.7 -15.6 -15.5 -17.6 -12.2 -10.6 550mb Dewpt(C): -47.6 -30.6 -27.8 -13.7 -12.9 -13.6 -9.8 -12.8 -17.6 -10.9 -22.5 -38.8 -37.5 -53.0 -33.7 550mb RH (%): 3 16 22 76 72 59 89 68 50 91 56 12 17 2 14 550mb Dir: 255 245 236 237 242 230 225 214 199 202 204 265 256 288 296 550mb Speed(kt): 22 29 34 33 28 30 36 42 50 61 46 29 39 44 40 500mb GPH (m): 5741 5742 5730 5737 5747 5753 5739 5730 5697 5647 5571 5559 5593 5638 5664 500mb Temp (C): -14.0 -14.3 -15.1 -13.1 -12.5 -11.6 -12.8 -13.3 -14.2 -14.1 -19.0 -20.0 -21.3 -13.6 -14.9 500mb Dewpt(C): -54.0 -39.9 -25.2 -22.9 -18.5 -17.7 -14.1 -15.3 -16.8 -15.8 -41.6 -35.0 -61.7 -43.3 -28.5 500mb RH (%): 2 10 43 44 61 61 90 85 81 87 13 26 2 7 31 500mb Dir: 254 246 238 240 237 230 227 217 204 208 199 264 253 284 287 500mb Speed(kt): 22 29 38 39 30 36 39 44 54 55 58 33 44 53 44 450mb GPH (m): 6530 6533 6519 6532 6544 6551 6535 6526 6495 6439 6345 6331 6366 6431 6450 450mb Temp (C): -20.2 -19.3 -19.8 -18.6 -17.6 -17.7 -17.7 -17.4 -16.7 -19.1 -25.0 -26.0 -23.2 -19.0 -21.0 450mb Dewpt(C): -46.1 -47.4 -22.1 -23.9 -26.7 -24.9 -21.1 -18.8 -18.4 -21.1 -49.5 -45.5 -58.7 -38.4 -47.9 450mb RH (%): 9 7 82 63 46 54 75 89 87 84 9 15 3 17 8 450mb Dir: 240 243 242 241 241 226 232 217 208 202 195 262 268 277 284 450mb Speed(kt): 23 34 42 49 35 37 39 41 48 49 58 40 55 55 43 400mb GPH (m): 7389 7396 7383 7399 7413 7422 7404 7398 7369 7306 7190 7170 7223 7294 7306 400mb Temp (C): -27.6 -25.9 -24.9 -24.7 -24.4 -23.9 -24.4 -23.3 -23.0 -24.3 -30.6 -33.3 -26.1 -26.5 -27.9 400mb Dewpt(C): -50.7 -48.4 -34.9 -26.2 -46.2 -26.6 -27.3 -25.5 -25.4 -26.7 -52.0 -47.5 -57.5 -49.1 -46.3 400mb RH (%): 10 11 40 88 12 78 77 82 81 81 11 24 4 11 17 400mb Dir: 254 239 254 242 256 225 234 219 208 193 196 262 277 268 280 400mb Speed(kt): 23 34 45 47 40 39 43 44 50 53 68 45 68 61 45 350mb GPH (m): 8333 8347 8339 8355 8369 8380 8362 8359 8333 8264 8127 8091 8177 8241 8248 350mb Temp (C): -35.0 -33.3 -32.1 -31.7 -31.8 -31.2 -32.1 -31.1 -29.8 -32.1 -36.2 -40.5 -31.8 -34.5 -35.6 350mb Dewpt(C): -67.3 -45.1 -41.1 -35.1 -59.6 -40.2 -35.2 -34.7 -33.6 -35.2 -60.3 -54.9 -57.1 -49.7 -57.6 350mb RH (%): 3 31 42 72 5 42 74 71 70 75 8 22 7 21 10 350mb Dir: 273 254 270 248 260 231 232 223 209 190 194 253 278 257 278 350mb Speed(kt): 28 38 56 56 52 41 49 49 51 59 73 42 79 66 46 300mb GPH (m): 9388 9410 9408 9425 9438 9451 9431 9433 9410 9332 9182 9134 9249 9297 9299 300mb Temp (C): -43.9 -41.9 -41.0 -40.9 -40.8 -41.0 -40.3 -40.3 -39.5 -40.8 -42.5 -42.4 -40.1 -43.6 -44.7 300mb Dewpt(C): -59.2 -49.0 -46.8 -52.1 -46.0 -50.8 -43.9 -44.6 -45.0 -44.3 -63.9 -65.5 -62.1 -53.7 -56.7 300mb RH (%): 18 48 55 31 59 36 69 65 58 70 9 7 9 34 27 300mb Dir: 286 270 271 252 253 232 234 221 209 186 196 237 268 257 267 300mb Speed(kt): 35 47 71 72 63 46 53 57 55 72 74 51 80 70 49 250mb GPH (m): 10584 10618 10617 10635 10649 10660 10648 10646 10627 10545 10400 10364 10468 10498 10496 250mb Temp (C): -53.8 -52.0 -52.0 -51.9 -52.1 -51.7 -50.3 -51.2 -50.6 -51.3 -46.5 -43.1 -47.4 -51.1 -51.3 250mb Dewpt(C): -62.3 -57.9 -55.7 -62.0 -56.5 -58.7 -54.0 -57.0 -54.6 -55.0 -70.0 -70.6 -62.2 -59.5 -61.3 250mb RH (%): 37 51 66 31 61 45 67 52 64 67 6 4 19 39 32 250mb Dir: 288 278 263 250 255 229 234 217 208 185 201 235 266 255 257 250mb Speed(kt): 38 53 70 75 68 49 61 61 60 86 72 54 72 65 57 200mb GPH (m): 11989 12025 12018 12038 12053 12065 12059 12056 12039 11964 11869 11859 11935 11950 11943 200mb Temp (C): -59.8 -62.3 -63.3 -63.8 -62.7 -63.2 -62.8 -62.4 -61.1 -57.1 -49.3 -46.2 -48.8 -49.1 -50.6 200mb Dewpt(C): -69.0 -65.6 -66.0 -69.3 -69.0 -67.2 -65.8 -65.6 -64.2 -68.8 -77.1 -78.1 -74.7 -80.3 -74.8 200mb RH (%): 32 67 72 50 45 61 68 67 68 24 3 2 4 2 5 200mb Dir: 270 268 264 252 246 227 231 214 208 193 209 239 266 255 259 200mb Speed(kt): 35 47 63 68 63 54 63 63 61 77 61 48 59 52 52 150mb GPH (m): 13809 13821 13808 13814 13819 13835 13825 13832 13826 13799 13748 13751 13804 13826 13816 150mb Temp (C): -55.8 -56.3 -57.1 -55.0 -58.7 -60.1 -60.8 -60.0 -58.9 -54.5 -50.8 -49.8 -53.5 -51.5 -51.1 150mb Dewpt(C): -82.5 -82.6 -81.7 -81.9 -81.3 -80.2 -80.0 -81.3 -81.7 -84.5 -86.1 -85.4 -83.3 -86.5 -86.2 150mb RH (%): 3 3 4 3 5 7 8 6 5 2 1 1 2 1 1 150mb Dir: 252 243 246 246 255 246 236 222 221 207 220 243 267 257 253 150mb Speed(kt): 44 40 42 41 53 49 47 50 53 55 51 45 50 43 44 100mb GPH (m): 16397 16400 16388 16389 16389 16397 16383 16393 16403 16403 16383 16391 16406 16425 16422 100mb Temp (C): -54.4 -55.1 -54.8 -55.2 -55.9 -54.4 -55.3 -55.5 -54.5 -52.9 -51.4 -52.0 -52.6 -55.0 -56.4 100mb Dewpt(C): -88.7 -89.2 -89.0 -89.3 -85.7 -84.2 -89.3 -89.5 -88.7 -87.7 -86.6 -87.0 -87.4 -89.1 -90.1 100mb RH (%): 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 100mb Dir: 233 236 233 229 230 239 232 226 230 219 225 236 251 265 260 100mb Speed(kt): 33 39 36 35 39 33 35 35 38 32 30 29 30 31 26