Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z FEB 28, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 995.8 992.3 989.6 990.5 989.9 990.9 991.0 992.4 992.7 995.6 994.8 994.7 992.8 992.8 991.6 Mean SLP (mb): 1021.1 1017.1 1014.0 1015.0 1014.6 1015.4 1015.4 1017.0 1017.4 1020.4 1019.3 1019.4 1017.5 1017.5 1016.4 2m agl Tmp (F): 35.3 48.8 54.0 47.8 45.6 51.8 54.2 50.9 48.1 47.5 53.9 49.5 47.5 46.6 46.1 2m agl Dewpt(F): 33.2 37.6 35.9 35.9 34.4 38.7 42.3 39.8 39.7 46.4 48.0 48.3 46.3 45.0 45.0 2m agl RH (%): 92 65 49 63 64 60 63 65 72 96 80 96 95 94 96 10m agl Dir: 54 63 71 73 70 76 85 78 93 197 185 177 159 190 190 10m agl Spd(kt): 3 5 7 7 8 8 4 3 2 2 3 4 3 8 8 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 0.01 0.03 0.08 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.04 0.12 Sfc CAPE (J/kg): 0.0 0.0 0.3 0.0 1.1 3.4 4.7 0.7 0.2 5.6 17.7 18.9 8.1 10.3 5.7 Sfc CINH (J/kg): 0.0 -0.2 -3.9 0.0 -0.4 -0.1 0.0 -1.6 -0.6 -0.2 0.0 -2.5 -19.8 -7.0 -1.1 0-3km Hel(J/kg): 83.3 60.5 102.7 73.9 85.3 89.0 27.6 52.4 78.0 21.1 -7.3 45.3 113.0 159.9 190.3 Precip H20 (in): 0.39 0.35 0.39 0.47 0.57 0.60 0.62 0.56 0.47 0.50 0.51 0.58 0.67 0.67 0.72 Lifted Index(C): 11.9 8.6 6.6 7.6 4.1 0.1 0.6 3.5 5.7 6.9 5.7 8.0 8.6 9.6 8.5 700mb VV(-ub/s): -1.1 1.0 1.8 2.9 0.2 -0.4 1.0 0.5 -0.7 -3.2 -1.6 -0.2 2.0 3.1 8.3 Thk1000-500mb(m)5514.5 5527.6 5515.0 5497.8 5483.0 5480.5 5475.9 5466.6 5458.8 5461.1 5478.2 5472.6 5446.7 5417.9 5406.2 Thk1000-850mb(m)1336.9 1348.5 1352.2 1347.5 1346.3 1347.4 1345.8 1339.7 1333.5 1328.7 1335.2 1331.6 1328.5 1323.9 1324.4 Thk850-700mb(m):1573.1 1580.1 1578.0 1571.8 1565.9 1565.6 1560.5 1560.0 1559.9 1561.0 1560.6 1553.3 1540.0 1532.4 1534.2 SWEAT Index: 47.0 19.2 4.7 14.6 12.4 156.9 147.2 41.2 30.5 13.4 36.7 59.0 101.9 198.3 182.3 Total Totals Idx 28.9 38.8 40.6 38.5 46.0 53.1 52.9 49.1 45.9 43.4 41.5 39.6 39.2 39.2 41.1 Frz Hgt(ft amsl) 9840 10328 9573 9160 8607 8664 8290 8536 8555 8652 8913 6390 5381 5082 5205 0WetBlbHgt(amsl) 5281 5880 5660 5517 5988 6140 6507 5769 5487 5384 5407 5664 5316 5010 5116 Equil Prs (mb): 996 992 990 991 990 991 991 992 993 996 841 836 834 793 992 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 26 26 5187 5322 5335 6641 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: 51.4 49.1 48.5 42.7 41.6 36.3 31.4 37.8 39.7 23.5 23.7 21.2 25.3 24.4 22.4 Showalter Index: 12.6 8.2 6.5 8.1 4.6 0.0 0.3 3.3 5.4 6.9 7.9 8.7 9.2 9.4 8.4 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 4.0 0.7 0.2 -999.9 Storm Dir (deg): 329 321 19 125 114 106 84 83 62 83 257 242 250 264 268 Storm Spd (kts): 13 7 5 5 5 5 5 6 8 6 6 13 21 24 23 2m HeatIndex(F): 35 49 54 48 46 52 54 51 48 47 54 50 47 47 46 2m WindChill(F): 32 49 54 48 46 52 54 51 48 47 54 50 47 47 46 1000mb GPH (m): 169 140 116 124 120 127 128 141 143 167 160 160 144 144 134 950mb GPH (m): 588 564 543 550 544 553 556 567 568 589 587 584 567 566 556 950mb Temp (C): 7.1 10.6 9.9 11.1 11.4 11.0 10.7 9.4 8.4 7.2 8.1 7.2 6.9 5.9 5.6 950mb Dewpt(C): 0.4 -4.5 -2.1 2.6 2.4 3.3 3.2 3.4 3.3 4.9 5.8 6.9 6.3 5.6 5.5 950mb RH (%): 62 34 43 55 53 58 59 65 70 85 85 98 96 98 99 950mb Dir: 10 78 73 103 92 91 84 96 206 201 184 195 200 202 201 950mb Speed(kt): 5 12 14 12 17 19 10 7 2 5 4 10 12 22 21 900mb GPH (m): 1034 1015 994 999 994 1003 1004 1014 1013 1032 1031 1028 1009 1007 997 900mb Temp (C): 8.9 10.8 11.6 9.4 9.0 9.1 7.8 7.0 5.7 4.2 5.2 5.0 4.4 3.3 3.6 900mb Dewpt(C): -7.9 -11.4 -7.7 -4.3 2.7 7.0 5.6 4.2 3.0 3.2 2.9 4.3 4.0 3.0 3.3 900mb RH (%): 29 20 25 37 64 87 86 82 83 93 85 95 97 98 98 900mb Dir: 320 53 131 158 146 183 257 69 303 217 213 205 219 221 225 900mb Speed(kt): 4 4 7 6 4 3 1 1 2 6 6 11 17 30 31 850mb GPH (m): 1506 1488 1468 1472 1466 1474 1474 1480 1477 1496 1496 1491 1472 1468 1459 850mb Temp (C): 7.7 8.1 9.2 8.2 7.1 6.2 5.2 3.7 2.8 3.1 2.9 2.0 0.9 0.5 0.7 850mb Dewpt(C): -11.4 -5.4 -10.6 -8.9 -1.9 5.0 5.0 2.0 0.6 -1.2 -1.5 0.8 0.7 0.3 0.4 850mb RH (%): 24 37 23 29 52 92 98 88 85 73 73 92 98 98 98 850mb Dir: 308 348 279 195 225 229 256 77 33 309 215 213 226 220 233 850mb Speed(kt): 9 2 1 3 5 5 4 3 4 2 10 14 27 30 31 800mb GPH (m): 2002 1986 1967 1969 1961 1969 1966 1971 1968 1987 1984 1978 1957 1951 1943 800mb Temp (C): 4.8 6.5 6.6 5.2 3.8 3.9 2.1 2.1 2.4 3.4 2.1 -0.1 -1.7 -2.7 -1.8 800mb Dewpt(C): -11.0 -17.5 -17.7 -14.1 -8.3 -9.1 -1.8 -8.8 -10.7 -14.1 -8.7 -3.2 -1.9 -3.0 -2.0 800mb RH (%): 31 16 16 23 41 38 75 44 38 27 44 80 99 97 98 800mb Dir: 312 315 262 26 236 269 251 40 30 80 202 214 225 226 234 800mb Speed(kt): 17 5 4 2 5 3 2 4 9 5 8 18 28 26 31 750mb GPH (m): 2525 2512 2492 2492 2482 2490 2485 2490 2487 2507 2505 2495 2469 2460 2453 750mb Temp (C): 2.4 3.9 2.9 2.0 0.8 1.0 0.2 0.7 0.8 1.0 1.4 0.3 -3.5 -5.0 -5.3 750mb Dewpt(C): -13.3 -16.5 -15.0 -13.7 -13.8 -18.2 -14.7 -16.1 -21.5 -20.8 -20.0 -15.2 -6.6 -5.3 -5.6 750mb RH (%): 30 21 25 30 33 22 32 27 17 18 19 30 79 98 98 750mb Dir: 310 299 261 37 299 9 12 40 40 87 166 209 222 235 240 750mb Speed(kt): 23 9 6 4 2 5 5 12 17 11 8 19 27 28 27 700mb GPH (m): 3079 3068 3046 3043 3032 3040 3034 3040 3037 3057 3056 3045 3012 3000 2993 700mb Temp (C): -0.4 0.6 -0.9 -1.6 -2.3 -2.6 -2.7 -2.7 -3.0 -3.2 -2.3 -2.6 -5.4 -7.3 -7.5 700mb Dewpt(C): -17.3 -19.8 -18.4 -19.5 -19.8 -22.0 -20.1 -20.3 -27.1 -21.1 -23.7 -22.0 -9.6 -8.6 -7.9 700mb RH (%): 27 20 25 24 25 21 25 25 14 24 18 21 73 90 97 700mb Dir: 300 290 267 37 28 33 38 48 42 81 182 203 220 239 247 700mb Speed(kt): 25 12 7 4 3 8 11 13 18 13 8 21 32 31 26 650mb GPH (m): 3667 3658 3633 3629 3615 3622 3617 3622 3618 3638 3640 3628 3591 3576 3566 650mb Temp (C): -3.9 -3.6 -4.8 -5.7 -7.2 -7.3 -6.8 -7.0 -7.5 -7.4 -6.3 -6.2 -7.5 -8.6 -11.8 650mb Dewpt(C): -21.9 -21.9 -21.0 -20.6 -15.1 -23.6 -22.6 -23.1 -26.9 -23.3 -24.2 -25.1 -16.2 -19.8 -12.3 650mb RH (%): 24 23 27 30 54 26 28 27 20 27 23 21 50 40 96 650mb Dir: 292 287 280 44 62 42 43 52 38 63 209 207 217 243 245 650mb Speed(kt): 27 13 6 6 5 7 12 12 16 10 7 21 36 36 29 600mb GPH (m): 4293 4284 4257 4248 4232 4239 4235 4240 4234 4255 4260 4249 4210 4191 4174 600mb Temp (C): -8.0 -8.4 -9.2 -11.5 -12.0 -12.1 -11.3 -11.6 -12.3 -11.5 -10.1 -9.7 -10.6 -13.1 -14.2 600mb Dewpt(C): -25.1 -25.2 -23.8 -15.0 -14.4 -28.2 -26.4 -24.7 -25.9 -26.2 -27.5 -31.4 -22.8 -16.0 -22.9 600mb RH (%): 24 25 30 75 82 25 28 33 32 29 23 16 36 79 48 600mb Dir: 295 284 337 74 68 46 47 54 29 29 245 212 218 242 246 600mb Speed(kt): 28 13 7 12 11 7 12 10 14 9 8 22 39 39 32 550mb GPH (m): 4962 4951 4921 4909 4892 4898 4895 4899 4893 4917 4925 4915 4875 4849 4830 550mb Temp (C): -12.6 -13.9 -15.5 -15.8 -16.2 -16.9 -16.7 -17.2 -16.5 -15.5 -14.4 -13.5 -14.4 -16.4 -16.9 550mb Dewpt(C): -32.2 -32.3 -25.8 -17.7 -17.7 -19.9 -23.4 -21.9 -32.7 -27.7 -29.0 -31.8 -30.0 -25.3 -24.9 550mb RH (%): 18 20 41 85 89 78 57 67 24 35 28 20 26 47 51 550mb Dir: 290 265 355 96 90 92 66 56 19 1 269 219 221 246 245 550mb Speed(kt): 28 13 5 11 5 9 9 11 12 9 12 22 39 46 42 500mb GPH (m): 5683 5667 5631 5622 5603 5608 5604 5607 5602 5628 5639 5632 5590 5562 5541 500mb Temp (C): -16.3 -18.1 -21.0 -19.6 -20.4 -21.0 -21.3 -21.7 -21.3 -20.7 -20.0 -18.4 -18.8 -19.2 -20.0 500mb Dewpt(C): -40.8 -40.4 -23.7 -21.6 -22.1 -23.5 -28.2 -24.2 -32.1 -33.7 -32.0 -36.7 -36.8 -47.6 -22.5 500mb RH (%): 11 13 79 84 86 80 55 81 38 31 35 19 20 7 81 500mb Dir: 282 247 155 199 269 138 136 39 20 354 287 228 223 246 252 500mb Speed(kt): 28 15 3 9 2 4 3 9 15 9 16 21 40 56 50 450mb GPH (m): 6466 6445 6407 6397 6375 6379 6373 6375 6370 6397 6410 6410 6366 6337 6315 450mb Temp (C): -22.6 -23.6 -22.9 -24.6 -25.3 -26.0 -26.2 -26.9 -27.0 -26.8 -25.8 -23.7 -24.4 -24.9 -24.7 450mb Dewpt(C): -30.1 -27.8 -25.4 -27.1 -27.9 -29.0 -37.3 -29.5 -35.1 -37.5 -37.9 -43.2 -34.9 -33.2 -27.9 450mb RH (%): 51 69 81 80 79 76 36 79 47 37 33 16 38 47 75 450mb Dir: 282 256 218 239 272 169 166 33 16 342 309 241 224 238 247 450mb Speed(kt): 32 11 17 11 5 5 1 9 16 16 18 26 44 51 57 400mb GPH (m): 7319 7297 7261 7243 7220 7221 7215 7214 7208 7234 7253 7259 7212 7182 7161 400mb Temp (C): -28.9 -28.1 -28.5 -30.4 -30.9 -31.7 -31.9 -32.7 -33.0 -33.1 -31.4 -29.8 -31.1 -30.8 -30.7 400mb Dewpt(C): -35.2 -31.4 -31.2 -33.4 -35.9 -37.7 -38.1 -35.9 -44.1 -44.2 -52.0 -56.3 -40.2 -33.8 -33.8 400mb RH (%): 55 74 78 76 63 57 56 74 34 33 12 7 42 75 74 400mb Dir: 275 265 228 241 238 183 259 36 358 336 349 237 225 245 247 400mb Speed(kt): 35 21 13 9 6 7 6 10 13 22 15 32 48 56 57 350mb GPH (m): 8260 8240 8202 8178 8152 8153 8147 8140 8132 8161 8183 8194 8144 8115 8095 350mb Temp (C): -35.7 -35.8 -36.0 -37.5 -38.4 -36.9 -37.7 -38.9 -39.9 -38.5 -38.8 -37.9 -38.0 -38.5 -36.7 350mb Dewpt(C): -44.3 -39.4 -39.3 -40.9 -44.0 -43.4 -41.3 -42.5 -48.0 -61.9 -62.5 -50.4 -43.6 -42.3 -40.3 350mb RH (%): 43 70 72 71 57 52 70 70 43 8 7 28 57 68 70 350mb Dir: 277 257 240 217 187 241 252 345 347 333 349 252 232 251 254 350mb Speed(kt): 45 28 11 7 6 21 18 7 14 25 18 38 53 60 70 300mb GPH (m): 9312 9289 9250 9220 9195 9201 9191 9180 9168 9198 9223 9236 9184 9153 9140 300mb Temp (C): -44.5 -46.0 -45.6 -47.4 -45.1 -45.5 -45.9 -46.9 -47.8 -48.3 -47.2 -46.5 -47.5 -47.5 -46.2 300mb Dewpt(C): -50.3 -49.6 -49.3 -51.0 -52.8 -49.0 -50.2 -50.7 -58.5 -54.4 -57.2 -50.5 -51.3 -51.5 -49.9 300mb RH (%): 54 68 68 68 44 69 63 66 30 51 33 65 66 65 67 300mb Dir: 268 247 220 175 244 244 248 292 344 325 317 264 240 253 250 300mb Speed(kt): 54 30 14 7 35 28 20 9 17 30 40 42 56 72 86 250mb GPH (m): 10503 10474 10434 10396 10391 10392 10385 10366 10347 10373 10400 10418 10361 10331 10325 250mb Temp (C): -55.2 -56.3 -57.2 -56.3 -52.9 -52.9 -52.8 -54.2 -55.7 -57.2 -56.9 -56.9 -57.3 -56.9 -55.7 250mb Dewpt(C): -59.6 -60.0 -60.8 -61.5 -62.3 -63.7 -64.4 -60.8 -65.9 -64.5 -62.7 -61.3 -60.6 -60.1 -59.0 250mb RH (%): 60 65 65 54 33 28 26 46 29 41 50 59 68 68 68 250mb Dir: 265 232 211 203 251 245 244 263 331 310 313 269 238 247 256 250mb Speed(kt): 61 33 24 15 56 36 38 14 18 30 58 41 67 77 100 200mb GPH (m): 11894 11856 11817 11812 11814 11817 11806 11782 11753 11770 11790 11804 11752 11726 11720 200mb Temp (C): -65.2 -63.2 -59.3 -55.3 -55.3 -56.7 -56.1 -56.5 -57.7 -60.0 -62.2 -63.4 -61.1 -59.8 -59.8 200mb Dewpt(C): -70.5 -67.4 -76.6 -82.4 -75.7 -72.8 -73.8 -73.6 -72.7 -72.7 -69.3 -68.5 -70.1 -73.5 -72.4 200mb RH (%): 51 59 11 3 8 13 11 12 15 20 41 52 32 17 20 200mb Dir: 265 238 249 255 256 250 245 255 291 308 302 279 245 255 259 200mb Speed(kt): 49 42 38 58 65 57 49 30 29 44 61 56 59 67 86 150mb GPH (m): 13671 13650 13635 13651 13648 13644 13641 13618 13588 13587 13587 13593 13554 13535 13532 150mb Temp (C): -58.9 -58.0 -55.8 -53.9 -55.7 -56.1 -55.3 -54.0 -53.7 -55.3 -56.9 -57.3 -56.2 -56.6 -56.3 150mb Dewpt(C): -84.9 -87.1 -85.6 -88.4 -89.5 -85.5 -84.9 -88.8 -88.2 -85.4 -86.1 -86.4 -85.6 -85.9 -85.6 150mb RH (%): 3 2 2 1 1 2 2 1 1 2 2 2 2 2 2 150mb Dir: 267 262 260 270 256 260 258 260 270 274 270 259 256 254 258 150mb Speed(kt): 61 51 47 53 62 62 59 48 52 56 67 59 56 57 65 100mb GPH (m): 16195 16198 16197 16211 16202 16193 16202 16196 16167 16166 16160 16164 16128 16105 16097 100mb Temp (C): -61.1 -58.9 -58.5 -60.4 -60.6 -60.2 -59.9 -58.4 -58.2 -58.2 -58.4 -57.2 -55.6 -56.4 -55.9 100mb Dewpt(C): -89.2 -91.9 -91.7 -88.7 -93.1 -92.9 -97.7 -91.5 -91.4 -91.4 -91.5 -90.7 -89.5 -90.1 -89.8 100mb RH (%): 2 1 1 2 1 1 0 1 1 1 1 1 1 1 1 100mb Dir: 273 275 273 279 272 269 271 268 276 279 264 260 264 263 261 100mb Speed(kt): 52 41 45 53 51 53 54 54 60 57 57 56 65 58 58