Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 0Z FEB 21, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 990.3 989.0 988.0 989.6 987.8 988.9 987.9 993.9 996.9 996.8 996.4 995.6 993.0 988.9 988.6 Mean SLP (mb): 1015.1 1013.9 1013.1 1014.8 1012.6 1013.8 1012.8 1019.0 1021.9 1021.8 1021.1 1020.4 1017.7 1013.6 1013.3 2m agl Tmp (F): 44.1 38.5 37.3 35.2 42.1 40.7 40.5 39.9 42.9 42.3 49.6 49.0 49.1 47.0 46.8 2m agl Dewpt(F): 35.1 32.8 30.6 33.3 35.0 33.4 32.4 38.8 41.8 41.5 42.8 47.0 48.6 46.6 46.6 2m agl RH (%): 70 80 76 93 75 75 72 96 96 97 77 93 98 98 99 10m agl Dir: 164 90 92 88 84 92 88 105 90 72 171 161 167 136 266 10m agl Spd(kt): 4 8 11 13 14 14 15 8 5 6 8 8 7 6 6 6hr Precip (in): 0.00 0.00 0.01 0.37 0.20 0.00 0.01 0.10 0.09 0.13 0.21 0.12 0.25 0.23 0.23 AccumPrecip(in): 0.00 0.00 0.01 0.39 0.58 0.58 0.59 0.69 0.77 0.91 1.12 1.23 1.48 1.71 1.94 Sfc CAPE (J/kg): 75.6 0.0 0.0 0.0 0.2 0.0 0.0 2.6 6.1 0.0 1.8 0.0 3.0 0.1 12.1 Sfc CINH (J/kg): 0.0 0.0 0.0 0.0 -0.2 0.0 0.0 0.0 -3.5 0.0 -1.6 -0.1 -2.7 0.0 -8.3 0-3km Hel(J/kg): 103.0 177.0 319.7 481.6 209.3 348.6 474.5 257.3 105.3 304.4 315.5 351.4 240.8 301.1 122.4 Precip H20 (in): 0.40 0.37 0.49 0.63 0.59 0.58 0.58 0.62 0.61 0.70 0.65 0.79 0.87 0.81 0.63 Lifted Index(C): 7.2 8.4 5.8 4.0 4.6 5.0 2.1 6.2 8.0 6.0 6.5 7.3 8.0 6.0 6.0 700mb VV(-ub/s): 2.2 -0.1 6.7 12.8 0.3 2.0 6.1 4.5 12.4 14.3 8.7 5.1 7.0 14.2 9.1 Thk1000-500mb(m)5321.3 5323.8 5352.8 5375.9 5403.4 5404.2 5410.9 5374.4 5370.9 5399.1 5407.4 5431.5 5447.8 5465.6 5413.8 Thk1000-850mb(m)1305.5 1312.6 1311.5 1308.2 1329.7 1329.0 1334.2 1313.4 1315.9 1319.7 1332.1 1333.8 1333.7 1333.9 1327.1 Thk850-700mb(m):1505.2 1509.8 1519.8 1536.4 1538.8 1537.1 1543.3 1528.3 1524.5 1539.1 1533.0 1540.7 1544.5 1552.2 1535.1 SWEAT Index: 157.4 177.4 197.4 116.6 73.6 98.5 183.6 141.4 183.4 218.2 255.1 237.7 248.1 245.4 127.1 Total Totals Idx 43.7 44.2 48.5 49.7 48.6 46.7 51.7 46.8 43.4 45.1 43.6 42.0 40.5 43.9 46.0 Frz Hgt(ft amsl) 2782 3796 3910 4224 5937 5654 6145 4156 4247 5273 5526 6202 6188 6959 5467 0WetBlbHgt(amsl) 2598 2498 2489 4133 5008 4732 5724 4100 4014 5152 5433 6130 6127 6873 5349 Equil Prs (mb): 748 989 988 990 988 989 988 994 997 997 996 996 993 989 989 Equil Hgt(amsl): 7940 26 26 26 26 26 26 26 26 26 26 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 -0.03 -0.05 0.00 Conv Wind Gust: 20.3 30.0 37.4 30.7 41.2 39.6 45.5 28.6 29.0 25.5 35.0 33.2 25.1 25.1 26.7 Showalter Index: 9.5 8.5 6.0 4.7 4.3 5.7 2.8 6.5 8.1 6.5 6.9 7.1 7.6 5.6 5.7 Cap Strength(C): 3.7 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 -999.9 Storm Dir (deg): 252 226 228 228 202 208 221 232 244 244 253 254 255 255 272 Storm Spd (kts): 12 15 22 24 20 24 30 33 31 28 37 35 28 32 31 2m HeatIndex(F): 44 38 37 35 42 41 41 40 43 42 50 49 49 47 47 2m WindChill(F): 44 32 29 26 42 41 41 34 43 42 50 49 49 47 47 1000mb GPH (m): 123 113 106 118 102 112 104 154 178 177 173 167 146 112 109 950mb GPH (m): 542 531 522 531 520 531 525 571 598 597 599 591 570 535 532 950mb Temp (C): 3.0 4.6 4.3 1.9 5.4 7.0 9.0 3.8 4.5 5.1 8.5 8.1 7.5 7.7 6.6 950mb Dewpt(C): 0.6 -2.7 -3.6 0.5 0.1 -1.0 -1.9 3.6 3.6 4.1 5.0 5.3 7.2 7.4 6.3 950mb RH (%): 84 59 56 90 68 56 46 99 94 93 78 82 98 98 98 950mb Dir: 177 115 99 96 86 101 107 153 160 104 197 185 183 166 262 950mb Speed(kt): 6 17 24 28 24 30 26 14 10 8 28 26 23 18 15 900mb GPH (m): 976 969 960 968 965 976 971 1009 1036 1036 1043 1036 1014 980 974 900mb Temp (C): -1.2 1.8 2.0 1.5 7.2 6.8 7.7 1.7 1.4 2.4 4.5 5.2 5.1 5.6 3.9 900mb Dewpt(C): -1.6 -5.7 -5.0 1.2 -1.0 -2.8 -2.8 1.5 0.6 1.5 4.0 4.1 4.8 5.3 3.6 900mb RH (%): 97 57 59 98 56 50 47 99 95 94 96 92 98 98 98 900mb Dir: 185 171 155 154 141 159 170 202 188 170 207 208 202 196 266 900mb Speed(kt): 10 17 19 23 19 29 31 31 15 8 40 45 35 26 15 850mb GPH (m): 1429 1426 1417 1427 1432 1441 1438 1467 1494 1496 1506 1501 1479 1446 1436 850mb Temp (C): -4.8 -2.6 -2.0 -0.7 3.7 2.2 3.0 -1.3 -1.0 0.4 1.1 2.5 3.0 3.6 1.3 850mb Dewpt(C): -6.1 -6.6 -3.2 -0.9 -3.6 -2.8 -1.8 -1.6 -1.8 0.1 0.9 2.2 2.7 3.4 1.0 850mb RH (%): 91 74 91 98 59 70 70 98 94 98 98 98 98 98 98 850mb Dir: 201 184 173 190 181 178 187 207 208 186 217 222 217 214 257 850mb Speed(kt): 18 20 22 31 27 30 40 38 21 16 49 44 35 30 16 800mb GPH (m): 1902 1903 1896 1910 1919 1927 1926 1948 1975 1981 1991 1989 1967 1936 1922 800mb Temp (C): -8.3 -6.4 -4.9 -1.7 -1.1 -1.6 -0.4 -3.5 -4.2 -1.4 -1.9 -0.6 -0.6 1.0 -1.4 800mb Dewpt(C): -9.3 -11.8 -5.6 -2.0 -3.0 -2.0 -0.6 -3.7 -4.8 -1.6 -2.5 -0.9 -0.9 0.7 -2.0 800mb RH (%): 93 66 95 98 86 97 99 98 96 98 95 98 98 98 96 800mb Dir: 209 189 185 218 194 188 202 209 225 201 220 219 218 219 248 800mb Speed(kt): 18 19 28 44 36 35 47 39 28 28 46 45 33 41 24 750mb GPH (m): 2401 2403 2401 2422 2431 2438 2440 2457 2481 2493 2501 2501 2480 2452 2433 750mb Temp (C): -9.6 -9.8 -7.2 -4.3 -4.5 -4.4 -3.2 -5.3 -7.0 -3.7 -5.1 -4.0 -3.2 -1.7 -4.7 750mb Dewpt(C): -13.6 -12.9 -8.1 -4.8 -4.9 -4.7 -3.5 -5.5 -7.3 -3.9 -5.4 -4.6 -3.4 -2.0 -5.8 750mb RH (%): 73 78 93 96 97 98 98 98 98 98 98 95 98 98 92 750mb Dir: 227 191 199 224 192 199 208 204 221 206 221 218 218 234 250 750mb Speed(kt): 17 16 28 37 37 38 48 43 40 42 45 46 34 41 31 700mb GPH (m): 2934 2935 2937 2963 2971 2978 2981 2995 3018 3035 3039 3042 3024 2998 2971 700mb Temp (C): -9.6 -10.2 -9.2 -7.2 -7.7 -7.7 -7.4 -8.3 -8.3 -6.7 -8.4 -7.8 -6.0 -5.5 -7.9 700mb Dewpt(C): -25.9 -25.1 -10.3 -7.9 -8.8 -8.1 -7.7 -8.5 -8.4 -7.1 -12.8 -10.1 -6.3 -5.8 -8.7 700mb RH (%): 26 29 92 94 91 97 98 98 99 97 71 84 98 98 94 700mb Dir: 235 205 208 206 183 189 205 207 215 210 224 224 227 229 248 700mb Speed(kt): 18 20 28 32 35 36 43 54 57 48 52 43 31 38 44 650mb GPH (m): 3502 3502 3507 3537 3544 3551 3554 3567 3590 3611 3611 3615 3600 3577 3546 650mb Temp (C): -13.3 -14.5 -12.4 -10.9 -11.1 -11.0 -11.5 -11.6 -11.7 -10.4 -11.3 -10.9 -9.2 -7.7 -9.5 650mb Dewpt(C): -27.7 -24.9 -13.6 -12.1 -11.5 -11.8 -12.7 -12.2 -11.9 -11.0 -17.2 -12.5 -10.2 -8.3 -14.2 650mb RH (%): 30 41 90 91 96 94 91 95 98 96 62 88 93 95 69 650mb Dir: 239 203 215 201 186 176 202 208 206 211 226 232 231 227 234 650mb Speed(kt): 18 23 35 33 31 30 40 62 58 56 58 40 32 47 61 600mb GPH (m): 4106 4102 4114 4146 4153 4161 4163 4177 4198 4220 4220 4226 4216 4196 4159 600mb Temp (C): -17.0 -19.3 -16.1 -15.2 -15.5 -15.3 -14.9 -14.8 -15.6 -15.7 -14.9 -14.0 -11.9 -10.6 -13.2 600mb Dewpt(C): -27.5 -21.4 -17.6 -16.9 -16.9 -16.0 -21.1 -17.4 -16.7 -16.2 -21.8 -15.9 -13.2 -22.3 -33.4 600mb RH (%): 41 83 88 87 89 94 60 80 92 95 56 86 90 38 17 600mb Dir: 233 207 218 206 179 179 197 201 206 216 228 241 238 235 235 600mb Speed(kt): 20 26 38 35 29 32 43 65 68 61 58 52 40 61 71 550mb GPH (m): 4752 4744 4764 4797 4805 4813 4816 4829 4848 4871 4873 4884 4877 4860 4816 550mb Temp (C): -22.1 -22.9 -20.7 -20.4 -19.5 -18.8 -19.6 -19.6 -20.3 -19.0 -18.2 -15.9 -15.4 -14.1 -17.4 550mb Dewpt(C): -27.1 -25.7 -22.4 -22.5 -22.6 -21.7 -24.3 -23.8 -25.6 -24.1 -24.9 -17.9 -17.3 -25.0 -39.4 550mb RH (%): 64 78 87 84 77 79 66 70 63 65 56 85 86 40 14 550mb Dir: 225 216 218 208 162 189 188 196 215 226 233 242 242 232 235 550mb Speed(kt): 23 26 44 37 27 37 47 64 77 65 69 70 55 70 77 500mb GPH (m): 5445 5437 5459 5494 5506 5516 5515 5528 5549 5576 5581 5599 5593 5577 5523 500mb Temp (C): -27.3 -26.7 -26.9 -25.6 -24.3 -23.7 -25.2 -24.9 -23.1 -22.3 -20.8 -18.7 -17.4 -18.4 -21.8 500mb Dewpt(C): -30.6 -29.7 -29.9 -28.2 -28.4 -28.5 -27.2 -42.7 -51.6 -29.6 -32.7 -20.8 -19.2 -32.6 -43.0 500mb RH (%): 74 76 76 79 70 65 84 19 6 52 34 84 86 29 14 500mb Dir: 234 226 219 210 172 198 198 202 225 231 234 229 236 234 239 500mb Speed(kt): 29 29 39 40 19 38 50 66 79 70 84 83 78 76 84 450mb GPH (m): 6195 6189 6209 6249 6265 6276 6271 6288 6313 6343 6353 6376 6375 6355 6293 450mb Temp (C): -32.7 -31.9 -33.0 -31.5 -29.8 -29.3 -31.4 -28.8 -27.3 -26.0 -24.7 -23.5 -22.3 -23.2 -24.5 450mb Dewpt(C): -36.9 -35.3 -36.8 -34.5 -33.7 -39.4 -32.8 -57.9 -47.8 -39.5 -42.6 -25.9 -24.6 -48.2 -51.5 450mb RH (%): 67 73 70 75 70 38 87 5 14 28 18 81 82 9 7 450mb Dir: 243 232 231 218 206 209 206 217 233 234 235 227 236 241 243 450mb Speed(kt): 24 30 34 44 23 42 56 75 85 79 93 97 90 87 103 400mb GPH (m): 7012 7009 7025 7071 7093 7107 7094 7123 7151 7188 7202 7228 7231 7209 7144 400mb Temp (C): -39.5 -38.4 -39.7 -37.5 -36.0 -35.0 -37.1 -33.0 -32.7 -30.3 -29.6 -28.6 -27.3 -27.2 -28.7 400mb Dewpt(C): -44.7 -42.6 -43.8 -40.9 -39.3 -49.9 -45.5 -61.3 -46.0 -45.8 -47.9 -31.3 -29.9 -35.9 -54.6 400mb RH (%): 59 66 66 71 72 22 43 5 27 22 16 78 79 45 7 400mb Dir: 241 235 237 224 219 217 213 228 237 238 240 235 235 241 243 400mb Speed(kt): 23 30 40 48 34 47 65 92 94 95 102 108 100 110 115 350mb GPH (m): 7910 7911 7923 7979 8003 8022 8003 8049 8080 8124 8140 8169 8178 8157 8087 350mb Temp (C): -46.1 -46.1 -46.5 -44.1 -44.3 -43.1 -43.3 -39.3 -37.8 -36.8 -36.0 -36.0 -34.4 -34.2 -34.4 350mb Dewpt(C): -51.9 -49.6 -51.8 -47.8 -48.1 -56.1 -60.4 -58.1 -57.0 -59.4 -39.7 -39.3 -37.7 -38.2 -40.2 350mb RH (%): 53 69 56 67 67 24 15 13 13 9 69 72 73 68 57 350mb Dir: 249 233 241 235 220 214 218 232 238 239 245 243 237 235 239 350mb Speed(kt): 22 32 52 54 48 45 76 107 104 107 112 111 104 123 128 300mb GPH (m): 8922 8920 8933 8992 9023 9043 9027 9090 9125 9174 9195 9219 9237 9214 9145 300mb Temp (C): -52.5 -53.3 -51.4 -52.7 -50.3 -50.4 -49.3 -46.3 -45.3 -44.2 -43.3 -45.4 -43.1 -43.9 -43.0 300mb Dewpt(C): -59.8 -58.3 -60.4 -56.4 -61.2 -64.0 -67.9 -64.3 -60.5 -62.7 -46.9 -49.0 -46.7 -50.8 -53.1 300mb RH (%): 43 56 36 66 29 21 11 13 18 12 69 68 69 48 34 300mb Dir: 266 238 254 231 231 223 226 234 240 242 249 250 238 238 241 300mb Speed(kt): 25 33 72 63 60 62 91 117 113 114 126 120 113 115 119 250mb GPH (m): 10081 10084 10106 10156 10198 10218 10204 10280 10320 10374 10393 10408 10435 10413 10349 250mb Temp (C): -56.6 -54.4 -54.8 -56.3 -54.8 -54.9 -54.3 -53.4 -52.8 -52.4 -53.3 -55.3 -54.1 -52.7 -52.1 250mb Dewpt(C): -68.1 -71.3 -75.9 -71.4 -75.8 -70.1 -69.3 -71.0 -68.9 -68.2 -56.9 -59.7 -57.6 -59.6 -58.3 250mb RH (%): 24 13 7 15 7 16 16 12 14 15 66 60 67 45 49 250mb Dir: 263 255 259 241 236 226 230 236 242 242 249 257 243 247 250 250mb Speed(kt): 31 41 86 86 95 91 103 121 119 118 121 126 125 131 141 200mb GPH (m): 11516 11524 11533 11578 11614 11635 11623 11695 11735 11785 11797 11809 11832 11819 11760 200mb Temp (C): -49.7 -50.4 -52.7 -53.9 -55.9 -55.2 -56.5 -58.2 -58.6 -60.3 -62.6 -58.3 -62.5 -62.2 -59.9 200mb Dewpt(C): -80.7 -76.5 -83.0 -83.0 -80.7 -80.2 -78.1 -75.8 -77.4 -70.9 -71.1 -72.3 -67.8 -68.4 -69.7 200mb RH (%): 2 4 2 2 4 4 6 11 9 26 34 17 51 46 30 200mb Dir: 272 259 251 243 236 229 233 238 240 241 241 248 250 247 248 200mb Speed(kt): 30 34 53 63 82 85 95 93 105 110 103 77 116 126 128 150mb GPH (m): 13402 13407 13408 13448 13474 13496 13485 13513 13560 13594 13587 13606 13622 13607 13567 150mb Temp (C): -49.4 -49.3 -49.7 -49.7 -51.7 -51.4 -47.7 -56.6 -55.7 -57.7 -57.2 -58.6 -58.3 -56.6 -56.7 150mb Dewpt(C): -84.8 -85.0 -85.4 -86.2 -82.2 -86.2 -79.3 -85.9 -89.9 -82.4 -83.7 -82.5 -84.6 -86.0 -85.9 150mb RH (%): 1 1 1 1 2 1 2 2 1 4 3 4 3 2 2 150mb Dir: 287 254 251 242 237 228 235 231 236 239 245 247 245 253 252 150mb Speed(kt): 26 26 36 37 53 50 44 78 76 80 81 84 85 83 85 100mb GPH (m): 16035 16042 16044 16071 16086 16102 16099 16115 16127 16143 16156 16164 16169 16165 16142 100mb Temp (C): -53.0 -52.6 -52.7 -53.5 -54.4 -54.4 -55.8 -50.5 -55.0 -56.0 -56.9 -57.6 -57.8 -59.5 -57.3 100mb Dewpt(C): -76.9 -76.6 -76.7 -88.1 -84.2 -88.7 -85.3 -81.3 -84.7 -85.4 -90.5 -86.6 -91.1 -88.1 -86.4 100mb RH (%): 0 0 0 1 2 1 2 2 2 2 1 2 1 2 2 100mb Dir: 291 271 253 230 224 225 222 225 235 238 240 247 255 256 251 100mb Speed(kt): 19 21 15 24 29 34 42 37 63 54 59 61 58 53 52