Station ID: KPDX Lat: 45.59 Long: -122.60 NAM Model Run: 12Z FEB 21, 2026 Forecast Hours: 0hr 6hr 12hr 18hr 24hr 30hr 36hr 42hr 48hr 54hr 60hr 66hr 72hr 78hr 84hr Sfc Prs(mb): 989.3 990.3 988.9 987.8 986.9 993.4 995.2 995.1 993.2 997.0 994.5 991.9 985.3 981.4 985.8 Mean SLP (mb): 1014.4 1015.4 1013.7 1012.7 1011.7 1018.4 1019.9 1020.0 1018.0 1022.2 1019.7 1017.0 1010.2 1006.2 1010.7 2m agl Tmp (F): 38.1 34.8 40.9 40.6 41.6 42.2 49.6 44.5 47.0 40.6 39.4 39.2 41.1 43.1 39.4 2m agl Dewpt(F): 32.4 32.6 34.6 32.8 32.4 39.8 38.7 39.1 46.2 39.5 38.2 38.5 40.6 42.6 36.8 2m agl RH (%): 80 91 78 73 69 91 65 81 97 96 95 97 98 98 91 10m agl Dir: 90 86 91 88 91 120 161 103 184 83 32 47 70 43 283 10m agl Spd(kt): 10 14 14 17 15 9 8 10 8 3 4 4 4 3 5 6hr Precip (in): 0.00 0.31 0.04 0.04 0.00 0.08 0.00 0.01 0.30 0.63 0.42 0.34 0.43 0.24 0.11 AccumPrecip(in): 0.00 0.31 0.35 0.39 0.39 0.47 0.48 0.49 0.79 1.42 1.84 2.18 2.60 2.84 2.95 Sfc CAPE (J/kg): 0.0 0.1 0.0 0.0 0.0 1.2 16.1 0.1 3.2 18.3 1.8 0.5 0.3 0.0 10.3 Sfc CINH (J/kg): -0.3 0.0 0.0 0.0 0.0 -1.7 -11.3 -0.2 -2.1 0.0 -0.1 -0.1 0.0 -0.6 -0.1 0-3km Hel(J/kg): 393.9 419.2 339.4 506.2 518.2 275.8 69.4 373.2 295.9 130.4 478.8 343.8 231.2 222.5 -13.8 Precip H20 (in): 0.54 0.62 0.66 0.57 0.61 0.57 0.46 0.58 0.72 0.63 0.69 0.76 0.77 0.63 0.39 Lifted Index(C): 6.1 4.9 3.6 5.2 2.0 4.2 8.9 6.3 2.3 6.3 7.1 6.4 8.3 9.7 7.1 700mb VV(-ub/s): 4.9 12.4 8.9 4.2 12.9 3.8 6.2 4.9 14.9 17.0 15.4 12.6 6.1 0.4 11.5 Thk1000-500mb(m)5348.8 5376.5 5396.0 5411.8 5414.4 5359.8 5361.5 5377.6 5388.3 5366.1 5389.2 5409.5 5434.0 5415.7 5315.0 Thk1000-850mb(m)1308.6 1309.6 1318.7 1329.7 1334.3 1315.7 1321.8 1323.9 1328.6 1303.5 1305.0 1316.6 1324.2 1322.6 1302.7 Thk850-700mb(m):1525.8 1532.6 1537.6 1537.3 1546.0 1522.2 1519.3 1527.5 1537.0 1529.7 1539.7 1542.6 1541.1 1540.5 1518.1 SWEAT Index: 201.8 117.3 98.4 113.6 200.5 174.7 211.0 224.2 301.1 89.8 96.0 240.0 255.6 188.7 123.7 Total Totals Idx 47.6 50.0 49.5 46.9 51.9 50.2 41.1 45.9 52.3 46.0 41.3 44.9 40.3 38.2 45.6 Frz Hgt(ft amsl) 3535 4456 5104 5571 6204 4278 4510 4730 5665 2655 3165 5969 5735 5150 2195 0WetBlbHgt(amsl) 2788 4306 5024 4745 5618 4036 3989 4561 5601 2543 2977 5904 5663 5047 2051 Equil Prs (mb): 989 990 989 988 987 993 713 995 993 887 994 992 985 981 887 Equil Hgt(amsl): 26 26 26 26 26 26 9382 26 26 3752 26 26 26 26 3444 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: 32.2 30.4 33.0 42.7 48.5 31.6 38.6 34.3 28.8 20.0 26.6 11.1 25.1 27.6 24.8 Showalter Index: 6.4 4.5 4.2 5.4 2.7 4.9 9.4 6.5 2.3 7.2 9.4 5.7 8.1 9.7 7.8 Cap Strength(C):-999.9 -999.9 -999.9 -999.9 -999.9 -999.9 0.0 -999.9 -999.9 0.0 -999.9 -999.9 -999.9 -999.9 3.5 Storm Dir (deg): 231 222 213 208 222 233 244 243 255 262 268 266 261 265 287 Storm Spd (kts): 20 23 23 30 33 36 32 34 35 24 32 28 25 30 28 2m HeatIndex(F): 38 35 41 41 42 42 50 45 47 41 39 39 41 43 39 2m WindChill(F): 31 25 41 41 42 42 50 45 47 41 36 36 41 43 35 1000mb GPH (m): 116 124 112 103 95 149 164 163 147 179 159 137 83 51 87 950mb GPH (m): 532 537 529 521 516 568 587 585 570 594 574 554 502 470 503 950mb Temp (C): 2.8 2.8 4.1 7.5 8.7 4.4 6.1 6.8 6.6 0.9 1.6 3.4 5.5 5.5 0.9 950mb Dewpt(C): -0.9 1.3 0.3 -1.4 -2.3 4.0 1.0 3.5 6.3 0.7 0.9 3.2 5.2 5.1 0.6 950mb RH (%): 76 90 76 53 46 98 70 79 98 98 95 99 98 97 98 950mb Dir: 98 97 94 96 105 167 170 144 202 36 44 96 152 133 296 950mb Speed(kt): 21 30 26 31 26 20 15 19 25 3 12 4 9 6 9 900mb GPH (m): 968 975 969 967 962 1006 1027 1027 1012 1028 1008 991 943 911 935 900mb Temp (C): 0.6 1.9 3.8 7.1 7.7 2.1 2.5 3.2 4.4 -0.9 -0.2 2.0 4.1 4.0 -1.5 900mb Dewpt(C): -1.5 1.4 2.0 -3.2 -3.4 1.7 -0.4 1.8 4.1 -1.3 -0.6 1.7 3.8 3.7 -2.4 900mb RH (%): 86 96 88 48 45 98 81 90 98 97 97 98 98 98 93 900mb Dir: 137 157 150 152 169 200 188 188 215 317 58 225 204 229 326 900mb Speed(kt): 21 23 24 33 32 37 24 27 45 10 9 11 20 12 16 850mb GPH (m): 1425 1433 1430 1433 1429 1465 1486 1487 1476 1483 1464 1454 1407 1373 1390 850mb Temp (C): -2.0 -0.4 0.5 2.6 3.4 -1.1 -0.8 -0.4 1.7 -2.0 -1.6 2.4 2.1 0.9 -2.5 850mb Dewpt(C): -2.3 -0.8 0.3 -3.2 -2.5 -2.9 -3.0 -1.0 1.4 -2.5 -1.9 2.2 1.8 0.7 -5.0 850mb RH (%): 97 97 98 65 65 88 85 96 98 97 98 98 98 98 83 850mb Dir: 169 194 179 170 190 215 196 207 227 256 225 221 209 229 300 850mb Speed(kt): 22 33 26 35 45 37 22 42 49 12 6 39 27 19 21 800mb GPH (m): 1905 1916 1916 1918 1918 1945 1966 1970 1962 1964 1948 1940 1893 1859 1869 800mb Temp (C): -3.9 -2.9 -1.6 -2.2 -0.2 -4.1 -4.4 -2.9 -1.6 -3.1 -1.0 -0.8 -0.9 -1.4 -4.5 800mb Dewpt(C): -4.0 -3.4 -1.6 -2.8 -0.7 -5.4 -7.4 -4.3 -1.8 -3.6 -1.3 -1.1 -1.2 -1.7 -9.9 800mb RH (%): 99 96 99 95 96 91 79 90 98 96 98 98 98 97 66 800mb Dir: 202 209 202 186 202 211 208 211 230 231 222 229 225 233 281 800mb Speed(kt): 29 42 35 40 59 39 23 51 43 25 47 46 27 22 26 750mb GPH (m): 2413 2426 2427 2429 2432 2451 2471 2478 2473 2473 2461 2454 2406 2371 2374 750mb Temp (C): -5.6 -4.8 -4.3 -4.3 -2.6 -6.2 -8.0 -6.2 -4.3 -5.3 -3.2 -3.3 -3.7 -3.4 -7.3 750mb Dewpt(C): -5.8 -5.6 -4.9 -4.7 -2.9 -7.5 -11.7 -8.2 -4.6 -6.1 -3.4 -3.6 -3.9 -3.6 -16.8 750mb RH (%): 98 95 96 97 98 91 74 85 98 94 98 98 98 98 47 750mb Dir: 221 211 203 202 206 203 221 209 226 225 226 237 239 231 270 750mb Speed(kt): 34 38 36 48 61 40 29 52 46 31 61 44 27 31 30 700mb GPH (m): 2951 2966 2968 2970 2975 2987 3005 3014 3013 3013 3003 2996 2948 2914 2908 700mb Temp (C): -9.2 -7.3 -7.2 -7.2 -6.5 -9.7 -10.1 -9.7 -8.0 -7.9 -6.7 -6.6 -6.9 -6.8 -10.7 700mb Dewpt(C): -9.9 -8.2 -8.0 -7.8 -6.8 -11.1 -14.4 -13.1 -8.2 -8.9 -7.3 -7.3 -7.5 -7.2 -30.7 700mb RH (%): 95 93 94 95 98 90 71 76 98 92 96 95 95 97 18 700mb Dir: 227 206 200 202 204 206 220 212 222 227 231 241 240 232 265 700mb Speed(kt): 34 32 34 47 56 55 62 50 51 41 62 43 25 42 33 650mb GPH (m): 3519 3540 3542 3545 3550 3556 3572 3583 3585 3585 3579 3572 3523 3487 3472 650mb Temp (C): -13.1 -10.8 -10.5 -10.2 -10.7 -12.4 -13.7 -13.0 -12.1 -11.0 -10.1 -10.1 -9.5 -11.3 -15.9 650mb Dewpt(C): -14.4 -12.0 -11.6 -10.9 -11.0 -14.3 -17.8 -17.5 -13.0 -12.3 -11.1 -11.1 -10.2 -13.5 -24.7 650mb RH (%): 90 91 92 94 97 86 71 69 93 90 93 92 95 84 47 650mb Dir: 218 201 193 193 199 204 211 223 220 227 235 244 227 234 265 650mb Speed(kt): 30 31 34 43 46 63 72 48 54 47 61 40 27 46 35 600mb GPH (m): 4123 4150 4153 4157 4160 4164 4177 4188 4191 4195 4190 4184 4138 4096 4069 600mb Temp (C): -17.4 -14.8 -14.2 -13.9 -15.2 -15.5 -16.6 -16.6 -16.4 -15.5 -14.1 -13.4 -11.2 -14.4 -19.4 600mb Dewpt(C): -19.7 -16.4 -15.4 -18.5 -15.4 -20.9 -28.8 -23.5 -18.1 -17.2 -15.6 -14.6 -11.5 -25.4 -19.6 600mb RH (%): 82 88 91 68 98 64 35 56 87 87 89 91 98 39 98 600mb Dir: 211 201 190 185 194 202 214 218 223 228 235 239 224 236 250 600mb Speed(kt): 29 30 33 49 41 74 69 58 51 51 56 42 46 56 53 550mb GPH (m): 4769 4802 4807 4812 4811 4814 4824 4839 4839 4847 4845 4839 4802 4752 4712 550mb Temp (C): -21.7 -19.8 -19.2 -18.4 -20.1 -20.9 -20.6 -19.4 -21.4 -19.8 -18.8 -18.3 -14.9 -16.2 -23.6 550mb Dewpt(C): -25.5 -21.8 -20.7 -23.4 -21.8 -25.3 -36.7 -25.3 -22.9 -21.5 -21.0 -20.1 -16.4 -48.2 -23.6 550mb RH (%): 72 85 88 65 86 68 23 60 88 87 83 86 89 5 99 550mb Dir: 210 203 192 176 196 200 219 224 231 225 245 239 234 238 234 550mb Speed(kt): 31 30 35 44 45 75 66 68 56 55 56 47 60 73 65 500mb GPH (m): 5465 5500 5508 5515 5510 5509 5525 5541 5536 5546 5548 5547 5517 5466 5402 500mb Temp (C): -25.9 -25.6 -24.3 -23.8 -25.5 -27.1 -22.5 -23.6 -24.6 -25.2 -22.4 -20.2 -18.2 -18.3 -26.5 500mb Dewpt(C): -31.3 -28.1 -26.8 -26.6 -28.5 -30.0 -51.4 -27.5 -28.4 -27.2 -25.3 -22.3 -44.1 -47.0 -44.9 500mb RH (%): 61 80 80 78 77 77 6 71 72 84 78 83 9 7 17 500mb Dir: 222 208 193 181 197 206 227 226 236 230 255 239 247 238 243 500mb Speed(kt): 32 32 34 44 53 77 79 75 77 65 84 74 77 98 81 450mb GPH (m): 6218 6255 6270 6275 6264 6261 6292 6303 6297 6304 6321 6325 6298 6245 6161 450mb Temp (C): -32.1 -31.1 -28.4 -29.3 -31.5 -30.8 -27.3 -28.0 -27.8 -28.3 -23.3 -22.2 -22.5 -22.6 -27.3 450mb Dewpt(C): -35.3 -34.2 -31.5 -39.7 -32.3 -49.3 -41.9 -35.5 -36.6 -33.0 -25.8 -24.4 -34.3 -43.8 -56.7 450mb RH (%): 74 75 75 37 93 16 25 50 44 65 81 83 34 14 5 450mb Dir: 223 215 208 199 204 213 232 230 237 249 247 238 247 237 244 450mb Speed(kt): 39 34 33 48 56 76 91 85 99 99 110 97 92 106 110 400mb GPH (m): 7037 7079 7101 7105 7086 7091 7127 7141 7138 7147 7175 7181 7157 7099 7005 400mb Temp (C): -39.0 -36.9 -35.5 -35.7 -37.8 -34.3 -34.0 -32.0 -31.5 -29.3 -28.2 -27.5 -25.6 -27.8 -29.9 400mb Dewpt(C): -42.3 -40.3 -39.3 -48.8 -41.7 -61.1 -42.9 -47.2 -47.5 -32.1 -30.7 -30.1 -28.1 -41.2 -58.9 400mb RH (%): 71 71 69 26 68 6 42 22 20 77 79 79 80 28 5 400mb Dir: 235 228 213 211 211 225 233 235 239 247 241 241 243 240 246 400mb Speed(kt): 43 41 46 47 64 97 97 99 115 129 116 103 105 112 132 350mb GPH (m): 7938 7990 8015 8017 7992 8013 8050 8072 8070 8088 8119 8129 8109 8044 7944 350mb Temp (C): -45.1 -43.1 -42.9 -43.3 -43.8 -40.1 -39.6 -37.4 -37.5 -35.7 -35.0 -33.5 -33.2 -34.5 -35.5 350mb Dewpt(C): -51.7 -46.7 -47.5 -53.5 -57.4 -55.3 -51.3 -55.9 -58.1 -39.1 -38.3 -36.8 -36.4 -47.1 -56.7 350mb RH (%): 49 68 62 34 23 20 29 14 11 72 73 73 74 28 11 350mb Dir: 243 234 219 214 213 231 238 237 240 242 248 245 233 244 246 350mb Speed(kt): 53 51 53 65 69 117 107 112 123 137 124 115 106 114 138 300mb GPH (m): 8954 9007 9038 9039 9013 9048 9090 9119 9119 9141 9174 9191 9172 9099 8999 300mb Temp (C): -50.2 -52.2 -49.8 -49.5 -49.9 -46.9 -46.2 -44.9 -43.7 -44.2 -43.6 -42.4 -41.4 -43.7 -43.8 300mb Dewpt(C): -56.7 -55.7 -60.2 -62.3 -68.6 -63.0 -60.2 -61.9 -59.8 -47.8 -47.2 -45.9 -45.0 -52.9 -60.9 300mb RH (%): 48 67 30 23 11 16 21 15 17 69 69 70 69 37 15 300mb Dir: 257 229 223 221 220 231 238 239 247 249 250 248 243 245 245 300mb Speed(kt): 90 62 59 85 84 126 113 117 131 140 126 125 123 117 138 250mb GPH (m): 10127 10171 10214 10220 10194 10237 10278 10313 10321 10333 10377 10394 10384 10297 10201 250mb Temp (C): -55.6 -56.7 -55.1 -53.6 -53.2 -53.6 -54.2 -53.6 -53.0 -54.9 -52.1 -53.0 -51.6 -53.0 -51.0 250mb Dewpt(C): -68.4 -63.9 -72.4 -72.3 -71.1 -70.4 -69.7 -68.8 -60.0 -58.8 -55.7 -56.9 -55.2 -64.3 -71.5 250mb RH (%): 21 42 12 10 11 13 15 16 45 64 67 64 67 26 8 250mb Dir: 261 242 236 225 228 235 239 242 252 255 259 257 244 248 249 250mb Speed(kt): 103 84 88 103 108 129 114 117 149 136 156 130 141 123 131 200mb GPH (m): 11552 11587 11624 11645 11621 11658 11689 11724 11726 11735 11778 11795 11789 11716 11640 200mb Temp (C): -52.0 -54.5 -58.0 -55.5 -55.1 -55.2 -57.7 -58.4 -60.5 -57.8 -62.7 -62.6 -62.5 -56.4 -52.8 200mb Dewpt(C): -79.8 -78.0 -79.5 -77.8 -78.3 -76.8 -77.4 -75.7 -71.1 -74.9 -66.6 -67.1 -65.6 -73.0 -76.6 200mb RH (%): 3 5 6 6 5 7 8 11 26 11 62 57 68 13 5 200mb Dir: 246 240 233 231 228 237 240 241 248 256 263 264 251 256 253 200mb Speed(kt): 50 64 86 91 99 91 106 109 119 102 144 132 134 98 106 150mb GPH (m): 13426 13452 13475 13500 13477 13501 13531 13557 13539 13560 13573 13588 13564 13538 13496 150mb Temp (C): -50.4 -49.9 -52.5 -49.8 -49.2 -54.4 -52.7 -55.0 -54.4 -55.0 -56.8 -58.4 -60.4 -55.6 -53.6 150mb Dewpt(C): -85.8 -85.5 -82.8 -81.0 -95.3 -84.4 -83.5 -84.8 -84.2 -82.0 -85.9 -87.2 -82.6 -85.1 -88.5 150mb RH (%): 1 1 2 2 0 2 2 2 2 3 2 2 5 2 1 150mb Dir: 254 240 234 226 231 227 234 237 249 252 252 254 257 252 258 150mb Speed(kt): 41 35 47 54 65 67 64 73 86 85 84 76 79 84 78 100mb GPH (m): 16057 16074 16087 16111 16108 16105 16118 16132 16129 16145 16135 16138 16106 16109 16090 100mb Temp (C): -52.7 -53.8 -54.5 -55.3 -55.4 -52.8 -54.8 -55.9 -55.4 -57.2 -57.4 -57.7 -58.9 -57.5 -55.1 100mb Dewpt(C): -87.5 -83.8 -84.3 -84.9 -85.0 -82.9 -84.4 -85.4 -85.0 -86.3 -90.9 -86.7 -87.6 -90.9 -89.2 100mb RH (%): 1 2 2 2 2 2 2 2 2 2 1 2 2 1 1 100mb Dir: 258 226 228 227 224 227 233 236 240 242 254 258 256 265 260 100mb Speed(kt): 18 27 28 29 37 46 63 62 62 61 56 48 55 47 40