UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for KLKN... Searching the city database file for: KLKN ... Date:0000Z 27 APR 25 Station: KLKN WMO ident: 72582 Latitude: 40.87 Longitude: -115.73 Elevation: 1608.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 -48 1 925 637 2 850 1368 SFC 828 1608 17.8 -8.2 16 26.0 5.9 65 8 307.1 307.6 287.1 315.0 2.48 4 816 1730 16.0 -9.0 17 25.0 4.9 76 11 306.5 306.9 286.7 314.0 2.37 5 700 2982 2.4 -12.6 32 15.0 -3.3 135 7 305.1 305.5 285.9 311.7 2.07 6 558 4757 -13.7 -16.8 77 3.1 -14.6 175 23 306.6 306.9 286.2 312.5 1.84 7 552 4839 -14.5 -17.2 80 2.7 -15.3 175 24 306.6 306.9 286.2 312.3 1.80 8 547 4908 -15.3 -17.7 82 2.4 -16.0 175 25 306.4 306.7 286.1 312.0 1.74 9 500 5580 -19.5 -23.1 73 3.6 -20.3 160 38 309.3 309.5 286.5 313.2 1.19 10 496 5639 -19.7 -23.3 73 3.6 -20.5 163 40 309.7 310.0 286.6 313.6 1.18 11 465 6114 -22.3 -26.7 67 4.4 -23.2 170 45 312.3 312.4 287.2 315.4 0.93 12 438 6550 -25.3 -30.1 64 4.8 -26.1 175 49 313.9 314.0 287.5 316.3 0.72 13 423 6801 -27.1 -31.6 66 4.5 -27.8 175 49 314.7 314.8 287.8 316.9 0.64 14 400 7200 -30.5 -34.8 66 4.3 -31.0 175 47 315.3 315.4 287.8 317.1 0.50 15 394 7307 -31.1 -35.3 66 4.2 -31.6 175 47 315.9 316.0 288.0 317.6 0.48 16 390 7380 -31.9 -36.2 66 4.3 -32.4 174 47 315.8 315.9 287.9 317.4 0.44 17 377 7618 -34.1 -38.8 62 4.7 -34.6 170 48 316.0 316.0 287.8 317.2 0.35 18 367 7806 -35.7 -40.0 65 4.3 -36.1 170 47 316.3 316.3 287.9 317.4 0.32 19 358 7978 -36.9 -41.6 62 4.7 -37.3 170 47 316.9 317.0 288.1 317.9 0.28 20 350 8134 -38.1 -42.6 63 4.5 -38.5 172 49 317.4 317.4 288.2 318.3 0.26 21 331 8517 -40.7 -44.2 69 3.5 -40.9 175 54 318.9 318.9 288.6 319.7 0.23 22 300 9180 -45.3 -59.3 19 14.0 -45.7 175 56 321.5 321.5 289.3 321.7 0.04 23 291 9382 -47.0 -58.4 26 11.4 -47.3 180 59 321.9 321.9 289.4 322.1 0.05 24 273 9802 -50.5 -56.5 49 6.0 -50.7 177 54 322.8 322.8 289.7 323.0 0.07 25 250 10370 -54.9 -60.9 47 6.0 -55.0 175 48 324.4 324.5 290.2 324.6 0.04 26 243 10551 -55.7 -61.7 47 6.0 -55.8 180 50 325.9 325.9 290.6 326.1 0.04 27 240 10630 -55.9 -62.9 41 7.0 -56.0 177 49 326.8 326.8 290.8 326.9 0.03 28 232 10845 -55.5 -62.5 41 7.0 -55.6 181 52 330.5 330.6 291.9 330.7 0.04 29 225 11040 -55.9 -63.9 36 8.0 -56.1 188 53 332.8 332.8 292.5 333.0 0.03 30 219 11212 -56.3 -65.3 31 9.0 -56.5 197 49 334.8 334.8 293.0 334.9 0.03 31 200 11790 -54.1 -65.1 25 11.0 -54.4 190 39 347.1 347.1 296.0 347.2 0.03 32 195 11952 -53.5 -64.5 25 11.0 -53.8 191 39 350.6 350.6 296.8 350.7 0.03 33 190 12119 -53.9 -65.9 22 12.0 -54.2 192 39 352.5 352.6 297.2 352.7 0.03 34 176 12608 -55.7 -68.7 18 13.0 -55.9 195 40 357.4 357.4 298.2 357.5 0.02 35 172 12755 -55.5 -68.5 18 13.0 -55.8 195 41 360.1 360.1 298.7 360.2 0.02 36 163 13098 -53.9 -68.9 14 15.0 -54.2 195 31 368.3 368.3 300.3 368.4 0.02 37 161 13178 -53.5 -68.5 14 15.0 -53.8 198 31 370.3 370.3 300.7 370.4 0.02 38 150 13630 -55.9 -71.9 12 16.0 -56.2 220 33 373.8 373.8 301.2 373.8 0.02 39 147 13758 -56.1 -72.1 12 16.0 -56.4 219 33 375.6 375.6 301.5 375.7 0.02 40 144 13889 -56.5 -72.5 12 16.0 -56.8 216 33 377.1 377.1 301.8 377.2 0.01 41 136 14253 -54.3 -72.3 9 18.0 -54.7 207 33 387.2 387.2 303.4 387.3 0.02 42 133 14396 -54.5 -73.5 8 19.0 -54.9 209 31 389.3 389.3 303.7 389.4 0.01 43 131 14493 -54.9 -73.9 8 19.0 -55.3 213 29 390.3 390.3 303.9 390.4 0.01 44 125 14793 -54.1 -74.1 7 20.0 -54.5 215 26 397.0 397.0 304.8 397.1 0.01 45 122 14949 -53.9 -73.9 7 20.0 -54.4 210 26 400.2 400.2 305.2 400.2 0.01 46 112 15496 -55.3 -76.3 6 21.0 -55.8 210 24 407.5 407.5 306.2 407.5 0.01 47 107 15787 -54.5 -76.5 5 22.0 -55.0 222 18 414.3 414.3 307.0 414.4 0.01 48 104 15969 -54.9 -77.9 4 23.0 -55.4 220 20 416.9 417.0 307.3 417.0 0.01 49 100 16220 -54.5 -78.5 4 24.0 -55.1 210 25 422.4 422.4 308.0 422.5 0.01 50 88 17036 -55.9 -80.9 3 25.0 -56.5 233 25 435.3 435.4 309.4 435.4 0.01 51 82 17486 -54.5 -81.5 2 27.0 -55.2 210 19 447.1 447.1 310.6 447.1 0.01 52 80 17645 -53.9 -80.9 2 27.0 -54.6 210 21 451.5 451.5 311.0 451.5 0.01 53 78 17807 -54.5 -80.5 3 26.0 -55.2 210 21 453.5 453.5 311.2 453.6 0.01 54 77 17890 -54.5 -81.5 2 27.0 -55.2 210 21 455.2 455.2 311.3 455.2 0.01 55 72 18320 -54.3 -81.3 2 27.0 -55.1 213 18 464.5 464.5 312.2 464.5 0.01 56 72 18320 -54.3 -81.3 2 27.0 -55.1 213 18 464.5 464.5 312.2 464.5 0.01 57 70 18500 -54.9 -80.9 3 26.0 -55.6 205 20 466.9 466.9 312.4 467.0 0.01 58 67 18780 -55.7 -81.7 2 26.0 -56.4 208 25 471.1 471.1 312.7 471.1 0.01 59 64 19072 -56.1 -82.1 2 26.0 -56.8 206 22 476.4 476.4 313.2 476.5 0.01 60 63 19172 -55.9 -81.9 2 26.0 -56.6 209 21 479.0 479.0 313.4 479.1 0.01 61 62 19274 -55.9 -81.9 2 26.0 -56.6 212 19 481.2 481.2 313.5 481.3 0.01 62 53 20265 -59.7 -83.7 3 24.0 -60.3 193 11 494.5 494.5 314.5 494.5 0.01 63 51 20506 -59.3 -83.3 3 24.0 -59.9 178 7 500.9 500.9 315.0 500.9 0.01 64 50 20630 -59.7 -84.7 2 25.0 -60.3 160 3 502.8 502.8 315.1 502.8 0.01 65 49 20756 -59.9 -83.9 3 24.0 -60.5 190 5 505.2 505.2 315.3 505.3 0.01 66 47 21017 -59.1 -83.1 3 24.0 -59.7 252 8 513.2 513.2 315.9 513.3 0.01 67 44 21429 -60.3 -84.3 3 24.0 -60.9 159 4 520.1 520.1 316.3 520.1 0.01 68 43 21572 -60.9 -84.9 3 24.0 -61.5 165 7 522.0 522.0 316.4 522.0 0.01 69 40 22025 -57.3 -82.3 3 25.0 -58.2 198 13 542.0 542.0 317.6 542.0 0.01 70 38 22349 -56.9 -81.9 3 25.0 -57.9 267 11 551.0 551.0 318.2 551.1 0.01 71 35 22868 -58.1 -82.1 3 24.0 -59.1 34 4 561.0 561.0 318.7 561.1 0.01 72 34 23051 -57.7 -81.7 3 24.0 -58.7 16 5 566.7 566.7 319.0 566.8 0.01 73 32 23433 -58.1 -82.1 3 24.0 -59.2 9 2 575.5 575.5 319.5 575.6 0.01 74 32 23433 -58.1 -82.1 3 24.0 -59.2 9 2 575.5 575.5 319.5 575.6 0.01 75 31 23633 -57.7 -81.7 3 24.0 -58.8 15 7 581.9 581.9 319.8 582.0 0.02 76 30 23840 -57.1 -81.1 3 24.0 -58.3 65 8 589.0 589.0 320.1 589.1 0.02 77 29 24054 -56.7 -80.7 3 24.0 -58.0 38 13 595.8 595.8 320.4 596.0 0.02 78 27 24507 -55.9 -80.9 3 25.0 -57.5 57 5 610.4 610.4 321.1 610.5 0.02 79 26 24748 -55.3 -80.3 3 25.0 -57.0 43 8 618.7 618.7 321.5 618.9 0.02 80 23 25531 -54.1 -78.1 4 24.0 -56.2 15 3 644.3 644.3 322.4 644.6 0.04 81 21 26115 -52.9 -77.9 3 25.0 -55.4 78 11 664.9 664.9 323.3 665.3 0.04 82 20 26430 -52.5 -77.5 3 25.0 -55.2 340 8 675.5 675.5 323.6 675.9 0.05 83 18 27111 -52.7 -77.7 3 25.0 -55.6 9 5 695.5 695.5 324.3 696.0 0.05 84 17 27481 -52.3 -77.3 3 25.0 -55.4 271 3 708.3 708.3 324.7 708.8 0.06 85 16 27876 -50.5 -76.5 3 26.0 -54.3 287 6 726.5 726.5 325.3 727.2 0.07 86 14 28749 -49.5 -74.5 4 25.0 -53.9 306 12 758.2 758.2 326.2 759.2 0.11 87 13 29235 -49.7 -74.7 4 25.0 -54.3 344 12 773.7 773.8 326.6 774.9 0.12 88 13 29235 -49.7 -74.7 4 25.0 -54.3 344 12 773.7 773.8 326.6 774.9 0.12 89 12 29760 -49.1 -75.1 3 26.0 -54.2 327 7 793.8 793.8 327.1 794.9 0.12 90 10 30970 -44.3 -70.3 4 26.0 -52.0 55 5 854.2 854.3 328.5 857.3 0.29 91 9.2 31532 -42.3 -69.3 4 27.0 -51.3 39 6 882.4 882.6 329.1 886.5 0.37 92 8.9 31757 -41.9 -68.9 4 27.0 -51.2 32 6 892.4 892.6 329.4 896.9 0.40 93 8.3 32230 -41.9 -68.9 4 27.0 -51.5 18 7 910.4 910.6 329.7 915.3 0.43 94 7.8 32652 -41.3 -68.3 4 27.0 -51.5 6 8 929.1 929.4 330.1 934.9 0.50 95 7.0 33390 -39.5 -66.5 4 27.0 -51.1 345 9 965.8 966.2 330.8 974.4 0.71 96 6.8 33589 -39.1 -66.1 4 27.0 -51.0 975.5 975.9 330.9 984.9 0.78 97 6.4 34005 -38.3 -65.3 4 27.0 -51.0 995.9 996.5 331.3 1007.4 0.92 TRP 243 10551 -55.7 -61.7 47 6.0 -55.8 180 50 325.9 325.9 290.6 326.1 0.04 WND 291 9382 -47.0 -58.4 26 11.4 -47.3 180 59 321.9 321.9 289.4 322.1 0.05 Sounding variables and indices 1000-500 mb thick: 5628.00 m Freezing level: 678.83 mb = 3246.57 m = 10651.34 ft Wetbulb zero: 746.45 mb = 2457.51 m = 8062.61 ft Sfc-500 mean rel hum: 49.47 % Est. max temperature: 16.21 C = 61.18 F Sfc-Lift cond lev (LCL): 558.72 mb = 4746.69 m = 15572.95 ft T: -13.61 C 700-500 lapse rate: 8.43 C/km ThetaE index: 3.25 C Layer 816.0- 558.0 mb Conv cond level (CCL): 553.03 mb = 4824.61 m = 15828.58 ft Mean mixing ratio: 2.28 g/kg Conv temperature: 17.31 C = 63.15 F Cap Strength: 0.40 C Lifted Index: 0.75 C Risk: Showers probable Lifted Index @300 mb: 6.13 C Lifted Index @700 mb: -0.86 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.14 J/kg Max Up Vert Vel: 7.23 m/s Conv Inhibition (B-): 75407.85 J/kg Cap Strength: 0.94 C Lift Cond Lev (LCL): 556.52 mb = 4776.96 m = 15672.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 195 at 20 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 828 1608 65 8 -7.3 -3.4 | 28 26 -12.4 -23.0 1 806 1829 85 14 -13.9 -1.2 | 42 28 -19.1 -20.9 2 776 2134 50 14 -10.7 -9.0 | 29 33 -15.8 -28.6 3 748 2438 45 11 -7.8 -7.8 | 25 30 -12.9 -27.4 4 721 2743 65 9 -8.2 -3.8 | 30 27 -13.3 -23.4 5 700 2982 135 7 -4.9 4.9 | 34 18 -10.1 -14.7 6 694 3048 140 7 -4.5 5.4 | 34 17 -9.6 -14.3 7 667 3353 150 8 -4.0 6.9 | 36 16 -9.1 -12.7 8 641 3658 140 9 -5.8 6.9 | 41 17 -10.9 -12.7 9 617 3962 160 16 -5.5 15.0 | 66 12 -10.6 -4.6 10 593 4267 175 15 -1.3 14.9 | 54 8 -6.4 -4.7 11 548 4877 175 25 -2.2 24.9 | 126 9 -7.3 5.3 12 506 5486 155 35 -14.8 31.7 | 121 23 -19.9 12.1 13 500 5580 160 38 -13.0 35.7 | 132 24 -18.1 16.1 14 486 5791 170 44 -7.6 43.3 | 152 27 -12.8 23.7 15 466 6096 170 45 -7.8 44.3 | 152 28 -12.9 24.7 16 447 6401 175 49 -4.3 48.8 | 162 31 -9.4 29.2 17 428 6706 175 50 -4.4 49.8 | 163 32 -9.5 30.2 18 400 7200 175 47 -4.1 46.8 | 161 29 -9.2 27.2 19 393 7315 175 47 -4.1 46.8 | 161 29 -9.2 27.2 20 376 7620 170 48 -8.3 47.3 | 154 31 -13.5 27.6 21 360 7925 170 47 -8.2 46.3 | 153 30 -13.3 26.6 22 330 8534 175 54 -4.7 53.8 | 164 36 -9.8 34.2 23 315 8839 175 56 -4.9 55.8 | 165 38 -10.0 36.1 24 302 9144 175 53 -4.6 52.8 | 164 35 -9.7 33.2 25 300 9180 175 56 -4.9 55.8 | 165 38 -10.0 36.1 26 291 9382 180 59 0.0 59.0 | 173 40 -5.1 39.4 27 288 9449 180 59 0.0 59.0 | 173 40 -5.1 39.4 28 262 10058 175 50 -4.4 49.8 | 163 32 -9.5 30.2 29 250 10363 175 49 -4.3 48.8 | 162 31 -9.4 29.2 30 250 10370 175 48 -4.2 47.8 | 162 30 -9.3 28.2 31 243 10551 180 50 0.0 50.0 | 170 31 -5.1 30.4 32 239 10668 175 49 -4.3 48.8 | 162 31 -9.4 29.2 33 227 10973 185 55 4.8 54.8 | 179 35 -0.3 35.1 34 217 11278 200 48 16.4 45.1 | 204 28 11.3 25.5 35 207 11582 195 42 10.9 40.6 | 195 22 5.7 20.9 36 200 11790 190 39 6.8 38.4 | 185 19 1.7 18.8 37 197 11887 190 39 6.8 38.4 | 185 19 1.7 18.8 38 179 12497 195 39 10.1 37.7 | 195 19 5.0 18.0 39 171 12802 195 41 10.6 39.6 | 195 21 5.5 20.0 40 163 13106 195 31 8.0 29.9 | 196 11 2.9 10.3 41 150 13630 220 33 21.2 25.3 | 251 17 16.1 5.6 42 148 13716 220 33 21.2 25.3 | 251 17 16.1 5.6 43 135 14326 205 33 13.9 29.9 | 221 14 8.8 10.3 44 128 14630 220 25 16.1 19.2 | 273 11 10.9 -0.5 45 122 14935 210 26 13.0 22.5 | 250 8 7.9 2.9 46 117 15240 210 29 14.5 25.1 | 240 11 9.4 5.5 47 111 15545 210 23 11.5 19.9 | 268 6 6.4 0.3 48 106 15850 225 17 12.0 12.0 | 318 10 6.9 -7.6 49 100 16220 210 25 12.5 21.7 | 255 8 7.4 2.0 50 96 16459 200 26 8.9 24.4 | 218 6 3.8 4.8 51 92 16764 220 31 19.9 23.7 | 255 15 14.8 4.1 52 88 17069 235 24 19.7 13.8 | 292 16 14.5 -5.9 53 83 17374 210 17 8.5 14.7 | 326 6 3.4 -4.9 54 80 17678 210 22 11.0 19.1 | 276 6 5.9 -0.6 55 76 17983 210 20 10.0 17.3 | 295 5 4.9 -2.3 56 72 18288 215 18 10.3 14.7 | 313 7 5.2 -4.9 57 70 18500 205 20 8.5 18.1 | 295 4 3.3 -1.5 58 69 18593 220 24 15.4 18.4 | 277 10 10.3 -1.3 59 66 18898 200 25 8.6 23.5 | 222 5 3.4 3.8 60 60 19507 220 15 9.6 11.5 | 331 9 4.5 -8.2 61 57 19812 225 15 10.6 10.6 | 329 11 5.5 -9.0 62 54 20117 195 12 3.1 11.6 | 14 8 -2.0 -8.1 63 52 20422 190 9 1.6 8.9 | 18 11 -3.6 -10.8 64 50 20630 160 3 -1.0 2.8 | 20 18 -6.1 -16.8 65 47 21031 255 8 7.7 2.1 | 352 18 2.6 -17.6 66 45 21336 155 2 -0.8 1.8 | 19 19 -6.0 -17.8 67 41 21946 180 14 0.0 14.0 | 42 8 -5.1 -5.6 68 37 22555 310 9 6.9 -5.8 | 356 25 1.8 -25.4 69 35 22860 35 4 -2.3 -3.3 | 18 24 -7.4 -22.9 70 33 23165 5 6 -0.5 -6.0 | 12 26 -5.6 -25.6 71 32 23470 10 2 -0.3 -2.0 | 14 22 -5.5 -21.6 72 30 23774 20 11 -3.8 -10.3 | 17 31 -8.9 -30.0 73 30 23840 65 8 -7.3 -3.4 | 28 26 -12.4 -23.0 74 29 24079 35 13 -7.5 -10.6 | 23 33 -12.6 -30.3 75 28 24384 70 4 -3.8 -1.4 | 23 23 -8.9 -21.0 76 26 24689 40 7 -4.5 -5.4 | 21 27 -9.6 -25.0 77 24 25298 70 16 -15.0 -5.5 | 39 32 -20.2 -25.1 78 23 25603 0 0 -0.0 -0.0 | 15 20 -5.1 -19.6 79 22 25908 50 8 -6.1 -5.1 | 24 27 -11.3 -24.8 80 21 26213 90 13 -13.0 0.0 | 43 27 -18.1 -19.6 81 20 26430 340 8 2.7 -7.5 | 5 27 -2.4 -27.2 82 20 26518 170 1 -0.2 1.0 | 16 19 -5.3 -18.7 83 19 26822 345 8 2.1 -7.7 | 6 28 -3.1 -27.4 84 18 27127 10 5 -0.9 -4.9 | 14 25 -6.0 -24.6 85 17 27432 265 3 3.0 0.3 | 6 19 -2.1 -19.4 86 16 27737 295 5 4.5 -2.1 | 2 22 -0.6 -21.8 87 16 28042 280 7 6.9 -1.2 | 355 21 1.8 -20.9 88 14 28651 295 11 10.0 -4.6 | 349 25 4.8 -24.3 89 14 28956 325 13 7.5 -10.6 | 356 30 2.3 -30.3 90 12 29566 5 11 -1.0 -11.0 | 11 31 -6.1 -30.6 91 12 29870 310 5 3.8 -3.2 | 3 23 -1.3 -22.9 92 10 30970 55 5 -4.1 -2.9 | 22 24 -9.2 -22.5 93 7 33390 345 9 2.3 -8.7 | 6 28 -2.8 -28.3 Wind Parameters Mean winds (0-6000m): 164.6 at 27.1 knts Storm direction: 194.6 at 20.3 knts Shear (0-3000m) pos: 5.1 neg: 1.1 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 68.9 deg Storm rel helicity (0-3000m) pos: 116.7 neg: -75.1 tot: 41.6 m^2/s^2 ave: 13.9 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.21 Bulk Shear: 121.71 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 72 13 36 29| 0.0 6.6 6.6| 43.6 -47.4 -3.8 -7.6 0.02| 14.2 0.2 1000 61 12 32 30| 2.1 3.3 5.4| 53.0 -68.7 -15.7 -15.7 -0.06| 10.1 -0.6 1500 68 11 33 28| 5.4 2.2 7.6| 77.0 -71.8 5.3 3.5 0.06| 11.0 0.7 2000 83 10 36 26| 4.0 1.6 5.6| 83.6 -71.8 11.9 5.9 0.10| 8.9 0.9 2500 103 11 42 23| 4.9 1.3 6.2|107.7 -73.3 34.3 13.7 0.21| 9.2 1.9 3000 123 12 49 20| 5.1 1.1 6.1|116.7 -75.1 41.6 13.9 0.26| 8.9 2.3 4000 147 16 66 15| 3.8 2.6 6.4|155.8 -81.5 74.3 18.6 0.28| 9.7 2.7 5000 159 22 96 13| 4.6 2.1 6.6|250.6 -81.5 169.2 33.8 0.38| 9.4 3.5 6000 165 27 118 14| 3.8 1.9 5.7|251.2-115.1 136.1 22.7 0.31| 8.4 2.6 Wrote GIF file: /home/apache/climate/data/raob//KLKN/skewt/KLKN.skewt.20250427.00.gif