Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z FEB 28, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 1000.9 999.3 995.4 993.0 991.2 991.6 990.2 989.9 988.9 991.7 992.6 995.2 994.8 994.2 991.5 Mean SLP (mb): 1025.6 1024.2 1020.8 1018.0 1015.5 1016.2 1014.9 1014.5 1013.3 1016.4 1017.3 1020.0 1019.5 1018.9 1016.3 2m agl Tmp (F): 54.2 45.4 33.9 43.5 54.7 49.2 45.1 47.7 51.3 46.5 47.5 47.3 49.8 48.1 46.5 2m agl Dewpt(F): 41.3 40.3 32.0 40.2 40.0 37.6 33.4 34.7 41.5 45.9 47.1 46.9 48.5 47.6 44.8 2m agl RH (%): 61 82 93 88 57 64 63 60 69 97 98 98 95 98 94 10m agl Dir: 302 67 57 64 78 79 75 79 82 106 212 210 196 172 177 10m agl Spd(kt): 3 3 5 5 7 9 9 9 8 5 4 4 2 3 7 6hr Precip (in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.19 0.10 0.07 0.02 0.02 0.04 AccumPrecip(in): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.21 0.31 0.38 0.40 0.42 0.45 Sfc CAPE (J/kg): 0.0 0.0 0.1 0.0 0.1 0.0 0.0 0.0 8.1 0.8 2.7 15.8 65.5 84.4 6.3 Sfc CINH (J/kg): -0.1 -0.1 0.0 0.0 -4.9 0.0 0.0 -0.1 0.0 0.0 0.0 0.0 0.0 0.0 -12.9 0-3km Hel(J/kg): 101.1 137.2 106.4 75.7 117.0 126.6 85.2 83.2 102.0 98.1 64.5 3.5 45.3 100.1 157.3 Precip H20 (in): 0.44 0.37 0.34 0.32 0.44 0.55 0.70 0.79 0.83 0.84 0.77 0.70 0.67 0.58 0.67 Lifted Index(C): 12.5 12.8 12.5 8.2 7.4 5.1 -0.7 0.0 1.5 4.2 6.2 7.5 9.2 10.3 10.1 700mb VV(-ub/s): -4.5 -1.9 -2.2 0.4 0.6 0.3 -0.1 1.9 1.6 8.7 -0.9 -1.7 0.9 2.9 2.3 Thk1000-500mb(m)5491.0 5505.5 5525.8 5528.6 5515.2 5497.8 5484.6 5483.4 5478.6 5451.5 5448.9 5454.1 5471.7 5462.0 5434.3 Thk1000-850mb(m)1334.5 1336.3 1341.4 1348.8 1352.5 1349.8 1348.3 1347.1 1345.5 1331.1 1329.9 1326.2 1330.0 1324.1 1324.4 Thk850-700mb(m):1561.8 1568.0 1576.6 1579.6 1575.3 1571.6 1565.5 1565.5 1562.1 1550.5 1544.6 1543.8 1542.8 1542.6 1532.8 SWEAT Index: 70.3 66.9 46.4 15.9 13.3 25.5 193.0 164.4 115.6 70.9 72.8 208.4 209.9 116.8 144.6 Total Totals Idx 27.6 28.8 21.4 39.5 39.7 40.0 54.8 54.5 51.5 48.5 45.1 42.1 37.3 34.4 37.9 Frz Hgt(ft amsl) 8812 9589 10004 10270 9517 9047 8473 8227 7785 6602 5950 5937 5739 4952 5032 0WetBlbHgt(amsl) 4641 5038 4309 6057 6019 5736 7144 7854 7672 6473 5900 5874 5673 4896 4971 Equil Prs (mb): 1001 999 995 993 991 992 990 990 989 992 993 995 750 784 784 Equil Hgt(amsl): 26 26 26 26 26 26 26 26 26 26 26 26 8176 6951 6885 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: 46.6 49.5 55.0 50.0 47.2 43.8 37.7 39.4 30.2 15.9 15.5 8.6 18.8 22.2 24.6 Showalter Index: 13.9 13.4 14.4 7.8 7.5 7.5 -0.8 -0.5 1.2 3.7 5.6 7.2 9.8 11.9 10.1 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 5.6 4.1 0.0 0.0 Storm Dir (deg): 324 329 331 325 190 173 211 161 188 248 310 293 287 252 251 Storm Spd (kts): 16 17 13 6 5 7 7 7 6 7 8 8 12 16 22 2m HeatIndex(F): 54 45 34 43 55 49 45 48 51 47 48 47 50 48 47 2m WindChill(F): 54 45 29 43 55 49 45 48 51 47 48 47 50 48 47 1000mb GPH (m): 211 197 166 146 129 133 122 119 110 134 142 164 161 155 133 950mb GPH (m): 636 620 588 570 557 560 546 543 536 557 566 587 585 579 555 950mb Temp (C): 7.3 6.6 8.2 11.2 10.1 11.7 11.3 9.7 9.2 7.1 6.6 5.6 6.9 6.3 6.0 950mb Dewpt(C): 3.3 3.2 -2.8 -7.9 0.8 3.3 0.6 0.5 4.2 6.9 6.3 5.3 6.8 5.7 5.4 950mb RH (%): 76 79 45 25 52 56 47 52 70 99 98 98 99 96 96 950mb Dir: 331 6 20 83 80 99 91 90 86 188 232 231 208 191 196 950mb Speed(kt): 3 6 5 13 14 18 22 23 16 10 13 10 7 9 18 900mb GPH (m): 1079 1064 1035 1021 1008 1011 998 993 985 1000 1008 1027 1028 1019 996 900mb Temp (C): 5.7 7.6 10.0 11.3 11.2 9.6 10.1 10.6 8.8 5.1 4.7 3.8 4.1 2.8 3.5 900mb Dewpt(C): -0.7 -5.6 -17.4 -23.7 -12.6 3.0 2.4 2.1 4.8 4.8 4.5 3.5 3.9 2.6 3.2 900mb RH (%): 63 38 13 7 17 63 58 55 76 98 98 98 98 98 98 900mb Dir: 305 305 309 56 153 167 172 103 160 235 241 245 234 216 219 900mb Speed(kt): 7 5 4 3 9 10 3 9 8 13 19 13 13 15 26 850mb GPH (m): 1546 1534 1507 1495 1482 1483 1470 1466 1456 1465 1472 1490 1491 1479 1458 850mb Temp (C): 5.1 6.1 8.0 8.2 8.6 8.1 6.8 7.0 6.4 2.9 2.3 2.0 1.7 0.1 0.5 850mb Dewpt(C): -11.6 -9.5 -19.0 -4.9 -7.3 -7.5 4.2 3.4 3.4 2.6 2.1 1.7 1.5 0.0 0.3 850mb RH (%): 29 32 13 39 31 32 83 77 81 98 98 98 98 99 98 850mb Dir: 277 296 306 334 206 204 237 111 180 241 254 239 233 221 218 850mb Speed(kt): 11 12 8 2 5 7 6 3 5 17 18 15 22 22 28 800mb GPH (m): 2038 2027 2004 1992 1980 1980 1966 1962 1950 1954 1959 1978 1976 1963 1941 800mb Temp (C): 2.7 4.1 5.4 6.4 5.9 5.6 3.5 3.6 3.1 0.2 -1.0 -1.1 -1.5 -2.2 -2.9 800mb Dewpt(C): -11.5 -16.5 -7.1 -13.9 -11.2 -13.2 0.6 1.4 1.9 -0.1 -1.2 -1.3 -1.8 -2.3 -3.1 800mb RH (%): 34 21 40 22 28 24 81 85 92 98 99 99 98 99 98 800mb Dir: 291 304 300 296 231 222 221 130 201 238 251 242 224 213 217 800mb Speed(kt): 16 19 14 4 8 7 6 5 5 15 12 13 18 30 28 750mb GPH (m): 2557 2549 2529 2518 2504 2503 2487 2482 2470 2469 2473 2489 2488 2475 2450 750mb Temp (C): 0.6 1.9 3.4 3.8 2.3 1.8 0.8 0.2 -0.7 -1.5 -2.7 -4.2 -3.6 -2.3 -5.0 750mb Dewpt(C): -14.1 -24.9 -17.5 -16.6 -15.4 -14.7 -8.6 -1.2 -1.0 -1.8 -2.9 -4.6 -5.4 -11.0 -5.3 750mb RH (%): 32 12 20 21 26 28 49 90 98 98 98 97 87 51 98 750mb Dir: 296 304 307 289 248 232 225 131 206 256 279 229 248 218 222 750mb Speed(kt): 23 24 20 8 7 7 3 7 5 8 6 7 13 27 30 700mb GPH (m): 3108 3102 3084 3074 3057 3055 3036 3032 3018 3016 3017 3034 3034 3022 2991 700mb Temp (C): -2.0 -0.9 -0.2 0.4 -0.9 -2.1 -3.8 -3.5 -4.1 -4.6 -5.1 -2.9 -2.9 -2.6 -6.8 700mb Dewpt(C): -16.8 -22.9 -16.5 -21.7 -19.1 -15.7 -8.5 -3.5 -4.5 -4.8 -6.9 -10.3 -9.3 -20.4 -10.5 700mb RH (%): 31 17 28 17 24 35 70 100 97 98 87 57 61 24 74 700mb Dir: 293 299 302 294 258 223 144 163 180 0 51 202 255 223 224 700mb Speed(kt): 27 30 24 10 6 5 7 7 4 4 6 1 15 24 34 650mb GPH (m): 3693 3688 3673 3664 3644 3638 3617 3613 3599 3596 3598 3618 3618 3607 3568 650mb Temp (C): -5.1 -5.3 -3.5 -3.7 -4.5 -6.6 -7.8 -7.5 -7.4 -7.6 -7.1 -6.2 -5.0 -5.3 -8.3 650mb Dewpt(C): -20.2 -21.7 -21.0 -24.3 -23.1 -17.1 -8.6 -7.8 -9.2 -8.3 -10.1 -13.3 -17.7 -19.5 -12.8 650mb RH (%): 30 26 25 19 22 43 94 98 87 95 79 57 36 32 70 650mb Dir: 292 302 300 303 291 169 180 182 168 51 31 288 268 228 228 650mb Speed(kt): 30 34 25 11 3 4 7 9 6 8 8 4 16 24 36 600mb GPH (m): 4316 4311 4299 4289 4268 4256 4235 4231 4218 4214 4216 4239 4242 4229 4186 600mb Temp (C): -9.4 -8.6 -7.5 -8.3 -9.2 -11.8 -10.7 -11.3 -11.6 -11.4 -10.9 -10.0 -8.6 -9.0 -10.7 600mb Dewpt(C): -26.1 -25.4 -25.6 -29.0 -30.3 -13.8 -16.2 -13.3 -14.4 -12.7 -15.7 -20.3 -28.2 -27.6 -19.9 600mb RH (%): 25 25 22 18 17 85 64 86 80 90 68 43 19 21 47 600mb Dir: 301 299 300 293 4 100 218 169 159 61 13 288 274 231 229 600mb Speed(kt): 36 36 26 11 3 12 10 8 9 12 9 11 20 26 36 550mb GPH (m): 4983 4981 4970 4957 4932 4918 4898 4893 4878 4876 4879 4904 4911 4898 4850 550mb Temp (C): -13.0 -12.0 -12.1 -13.6 -15.7 -15.3 -15.7 -15.7 -16.0 -16.0 -15.4 -14.4 -12.4 -12.8 -13.6 550mb Dewpt(C): -31.0 -33.1 -32.8 -32.0 -21.0 -17.0 -25.0 -17.4 -18.5 -18.1 -22.0 -26.6 -32.4 -29.1 -40.1 550mb RH (%): 21 16 17 20 64 87 45 87 81 84 58 36 18 25 9 550mb Dir: 296 294 294 262 43 115 229 175 171 55 346 292 280 230 227 550mb Speed(kt): 42 39 26 12 3 15 15 6 10 12 9 16 24 29 37 500mb GPH (m): 5702 5703 5692 5674 5645 5631 5607 5603 5589 5586 5591 5618 5632 5617 5568 500mb Temp (C): -17.1 -16.1 -16.2 -18.1 -19.2 -19.7 -21.9 -22.1 -20.9 -21.5 -20.3 -19.2 -17.1 -17.1 -18.5 500mb Dewpt(C): -37.6 -44.7 -44.5 -36.8 -21.2 -21.8 -25.0 -22.8 -23.5 -24.1 -30.7 -34.9 -36.1 -45.2 -32.6 500mb RH (%): 16 7 7 19 84 84 76 94 80 80 40 25 18 7 29 500mb Dir: 288 288 287 252 152 166 231 197 188 54 333 304 286 228 227 500mb Speed(kt): 47 43 31 13 4 11 15 7 16 7 12 19 25 32 39 450mb GPH (m): 6484 6488 6474 6453 6424 6406 6375 6370 6359 6353 6361 6394 6412 6399 6342 450mb Temp (C): -22.4 -20.9 -22.7 -22.7 -22.4 -24.6 -26.0 -24.9 -26.3 -27.2 -27.1 -24.7 -22.8 -22.6 -24.7 450mb Dewpt(C): -46.6 -42.8 -28.2 -27.6 -24.6 -27.2 -38.5 -36.7 -29.0 -30.2 -39.0 -37.0 -56.0 -45.8 -27.7 450mb RH (%): 10 13 61 65 82 80 31 33 79 76 33 32 4 11 77 450mb Dir: 282 281 279 263 223 196 164 232 195 70 310 308 298 230 223 450mb Speed(kt): 50 49 35 13 10 9 10 11 17 5 13 23 20 33 46 400mb GPH (m): 7337 7344 7326 7307 7279 7253 7219 7219 7198 7188 7197 7238 7261 7251 7188 400mb Temp (C): -28.4 -28.8 -29.4 -28.4 -28.5 -30.3 -30.3 -29.9 -33.0 -34.8 -33.8 -32.0 -30.8 -29.5 -31.3 400mb Dewpt(C): -44.5 -35.5 -32.1 -32.8 -31.1 -33.3 -51.8 -34.5 -36.0 -38.2 -43.9 -44.2 -53.1 -45.5 -35.4 400mb RH (%): 21 54 78 66 79 76 11 65 75 72 37 30 10 21 68 400mb Dir: 286 281 272 275 208 145 215 230 190 126 335 307 306 235 224 400mb Speed(kt): 53 50 36 23 9 7 13 20 20 10 13 31 19 36 49 350mb GPH (m): 8280 8283 8264 8249 8219 8188 8157 8155 8121 8104 8118 8165 8191 8186 8120 350mb Temp (C): -35.7 -36.1 -36.2 -36.0 -36.3 -37.5 -36.1 -37.6 -39.8 -41.5 -40.8 -39.0 -39.2 -37.8 -37.9 350mb Dewpt(C): -43.2 -48.2 -41.8 -41.4 -39.6 -41.1 -45.5 -41.1 -45.8 -47.1 -46.5 -46.3 -48.5 -42.9 -47.9 350mb RH (%): 47 29 57 59 72 70 39 70 54 56 55 47 38 60 36 350mb Dir: 283 281 263 265 204 130 246 229 170 136 8 314 315 247 234 350mb Speed(kt): 67 52 43 30 11 12 34 19 21 10 16 37 25 40 54 300mb GPH (m): 9330 9336 9315 9299 9267 9229 9209 9199 9160 9135 9150 9202 9227 9231 9163 300mb Temp (C): -44.7 -43.8 -44.9 -45.1 -46.2 -47.6 -44.6 -45.9 -46.4 -48.0 -48.3 -48.3 -47.8 -46.1 -46.7 300mb Dewpt(C): -54.3 -61.4 -49.8 -49.9 -49.8 -51.2 -47.8 -50.8 -59.5 -54.5 -55.6 -56.1 -52.6 -49.8 -50.2 300mb RH (%): 35 14 59 60 68 68 71 59 23 49 45 42 59 67 69 300mb Dir: 283 274 266 241 219 156 246 230 203 84 357 317 304 257 233 300mb Speed(kt): 54 54 59 37 11 18 38 19 26 10 28 41 45 39 52 250mb GPH (m): 10524 10534 10506 10485 10448 10413 10401 10394 10352 10316 10329 10375 10403 10414 10342 250mb Temp (C): -53.6 -53.7 -55.5 -56.4 -57.0 -53.5 -52.9 -52.3 -53.0 -53.8 -55.5 -57.4 -57.3 -56.5 -56.8 250mb Dewpt(C): -67.9 -66.0 -60.2 -60.1 -60.7 -63.5 -61.7 -63.0 -64.6 -66.2 -63.2 -62.7 -61.4 -60.6 -59.2 250mb RH (%): 18 23 58 64 65 31 36 29 25 23 40 53 61 62 76 250mb Dir: 281 273 270 238 194 239 240 241 209 127 345 304 299 263 230 250mb Speed(kt): 51 54 57 40 33 40 43 42 34 6 30 39 64 47 67 200mb GPH (m): 11929 11930 11890 11869 11837 11832 11827 11814 11777 11750 11737 11772 11786 11800 11734 200mb Temp (C): -62.6 -62.4 -64.2 -63.2 -59.9 -57.1 -56.4 -56.8 -54.8 -53.9 -57.8 -61.1 -64.1 -63.7 -61.3 200mb Dewpt(C): -72.4 -69.5 -67.5 -68.7 -74.0 -79.8 -77.7 -72.1 -75.1 -76.7 -73.5 -71.0 -68.7 -68.0 -69.7 200mb RH (%): 29 41 66 50 17 5 6 15 8 6 14 29 56 59 35 200mb Dir: 264 266 251 244 236 250 247 239 231 247 308 310 292 276 240 200mb Speed(kt): 86 66 50 40 38 59 64 55 45 17 35 72 76 55 61 150mb GPH (m): 13711 13718 13678 13657 13643 13657 13658 13647 13626 13603 13575 13575 13584 13583 13539 150mb Temp (C): -59.7 -60.2 -59.4 -59.9 -57.1 -55.4 -55.1 -55.4 -53.2 -52.6 -52.0 -56.5 -56.6 -57.0 -56.0 150mb Dewpt(C): -87.2 -84.3 -83.5 -83.9 -86.3 -89.6 -84.9 -89.8 -87.9 -87.4 -87.0 -85.6 -85.9 -86.2 -85.4 150mb RH (%): 2 4 4 4 2 1 2 1 1 1 1 2 2 2 2 150mb Dir: 272 275 265 256 258 266 263 251 252 265 274 273 271 270 258 150mb Speed(kt): 75 71 58 49 53 57 63 57 51 41 59 79 66 59 52 100mb GPH (m): 16237 16234 16211 16204 16198 16215 16209 16207 16195 16191 16169 16164 16153 16146 16108 100mb Temp (C): -61.9 -61.5 -60.2 -58.8 -58.9 -60.1 -60.9 -59.1 -59.7 -57.6 -58.8 -58.1 -57.5 -58.3 -55.7 100mb Dewpt(C): -89.8 -89.6 -93.2 -91.8 -91.8 -92.8 -93.2 -92.1 -92.8 -90.9 -91.9 -91.3 -90.9 -91.5 -85.2 100mb RH (%): 2 2 1 1 1 1 1 1 1 1 1 1 1 1 2 100mb Dir: 278 277 277 274 273 278 275 265 268 273 274 275 271 269 268 100mb Speed(kt): 55 52 49 42 45 50 55 43 52 50 64 61 61 62 66