UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051812.upa.cvt Date: 1200Z 18 MAY 25 Searching for KBNA... Searching the city database file for: KBNA ... Date:1200Z 18 MAY 25 Station: KBNA WMO ident: 72327 Latitude: 36.13 Longitude: -86.68 Elevation: 180.00 ------------------------------------------------------------------------------- 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 122 SFC 993 180 17.2 13.1 77 4.1 14.7 0 0 290.9 292.6 288.1 318.0 9.58 2 980 293 19.4 12.4 64 7.0 15.0 294.2 295.9 289.0 320.8 9.26 3 966 418 19.0 10.0 56 9.0 13.6 295.1 296.5 288.2 318.2 8.00 4 960 471 19.2 10.2 56 9.0 13.8 295.8 297.3 288.6 319.4 8.16 5 953 534 18.6 9.6 56 9.0 13.2 295.8 297.2 288.3 318.7 7.89 6 939 662 18.2 8.2 52 10.0 12.3 296.6 298.0 288.1 317.9 7.28 7 926 782 18.2 7.2 49 11.0 11.8 297.8 299.1 288.1 318.1 6.89 8 925 791 18.2 7.2 49 11.0 11.8 340 12 297.9 299.2 288.2 318.2 6.90 9 919 847 18.2 6.2 45 12.0 11.3 298.5 299.7 287.9 317.6 6.48 10 904 988 18.2 9.2 56 9.0 12.7 299.9 301.4 289.9 323.8 8.10 11 866 1355 17.0 2.0 36 15.0 8.9 302.3 303.3 288.0 317.7 5.10 12 852 1494 16.0 2.0 39 14.0 8.5 302.7 303.7 288.2 318.4 5.19 13 850 1514 15.8 1.8 39 14.0 8.3 270 25 302.7 303.6 288.2 318.2 5.13 14 828 1736 14.4 -0.6 36 15.0 6.7 303.5 304.3 287.8 317.0 4.42 15 817 1848 13.4 -1.6 35 15.0 5.9 303.6 304.4 287.5 316.3 4.16 16 812 1900 13.2 -1.8 35 15.0 5.7 303.9 304.7 287.6 316.6 4.13 17 805 1972 13.2 -1.8 35 15.0 5.6 304.7 305.4 287.9 317.5 4.16 18 779 2247 11.6 -5.4 30 17.0 3.7 305.8 306.4 287.4 316.0 3.28 19 768 2366 10.4 -3.6 37 14.0 3.7 305.8 306.5 287.9 317.6 3.81 20 749 2573 8.8 -7.2 31 16.0 1.7 306.2 306.8 287.3 315.6 2.97 21 719 2910 6.6 -6.4 39 13.0 0.7 307.4 308.0 288.0 317.7 3.29 22 703 3094 5.0 -9.0 36 14.0 -0.9 307.6 308.2 287.5 316.3 2.75 23 700 3129 4.8 -9.2 35 14.0 -1.1 265 33 307.8 308.3 287.6 316.4 2.72 24 662 3580 0.4 -3.6 74 4.0 -1.5 307.8 308.6 289.2 321.5 4.43 25 645 3788 -0.3 -11.3 43 11.0 -4.6 309.3 309.8 287.9 317.3 2.50 26 535 5250 -12.7 -15.7 78 3.0 -13.7 311.5 311.9 288.2 318.3 2.10 27 531 5307 -12.5 -15.8 76 3.3 -13.6 312.4 312.8 288.5 319.2 2.10 28 526 5380 -11.3 -14.1 80 2.8 -12.3 314.7 315.1 289.6 322.6 2.44 29 516 5527 -9.7 -14.7 67 5.0 -11.5 318.3 318.8 290.6 326.2 2.37 30 507 5663 -10.3 -15.3 67 5.0 -12.1 319.2 319.7 290.8 326.9 2.29 31 500 5770 -11.1 -15.7 69 4.6 -12.7 265 36 319.5 319.9 290.9 327.0 2.25 32 474 6178 -14.1 -17.1 78 3.0 -15.1 320.7 321.1 291.1 327.8 2.11 33 461 6389 -15.7 -19.0 76 3.3 -16.7 321.3 321.6 291.0 327.5 1.85 34 452 6538 -16.5 -19.6 77 3.1 -17.4 322.1 322.4 291.2 328.2 1.79 35 433 6860 -17.9 -23.9 59 6.0 -19.4 324.3 324.5 291.3 328.8 1.28 36 404 7376 -20.9 -39.9 16 19.0 -23.8 326.9 327.0 291.2 328.0 0.29 37 400 7450 -21.5 -34.5 30 13.0 -23.8 270 69 327.0 327.1 291.4 328.9 0.51 38 395 7530 22.2 13.2 57 9.0 14.9 385.2 391.0 313.9 485.6 24.82 39 100 16460 -63.9 -81.9 7 18.0 -64.1 270 45 404.3 404.3 305.7 404.3 0.00 40 96 16711 -62.3 -80.3 7 18.0 -62.5 274 44 412.1 412.1 306.8 412.2 0.01 41 93 16907 -62.5 -82.5 5 20.0 -62.7 275 39 415.5 415.5 307.2 415.5 0.00 42 83 17605 -64.7 -87.7 3 23.0 -64.9 293 35 424.8 424.8 308.3 424.8 0.00 43 80 17830 -64.1 -87.1 3 23.0 -64.3 300 36 430.5 430.5 308.9 430.5 0.00 44 79 17907 -64.1 -87.1 3 23.0 -64.3 300 38 432.0 432.0 309.0 432.1 0.00 45 76 18144 -65.1 -89.1 2 24.0 -65.3 310 26 434.8 434.8 309.3 434.8 0.00 46 73 18388 -67.5 -90.5 2 23.0 -67.7 300 12 434.7 434.7 309.3 434.7 0.00 47 71 18555 -68.1 -91.1 2 23.0 -68.2 263 10 436.9 436.9 309.6 436.9 0.00 48 70 18640 -67.9 -91.9 2 24.0 -68.1 270 11 439.1 439.1 309.8 439.1 0.00 49 65 19090 -64.7 -89.7 2 25.0 -65.0 273 10 455.5 455.5 311.4 455.5 0.00 50 63 19281 -64.3 -89.3 2 25.0 -64.6 266 9 460.5 460.5 311.8 460.5 0.00 51 62 19379 -64.5 -88.5 2 24.0 -64.8 254 8 462.2 462.2 312.0 462.2 0.00 52 59 19683 -64.1 -88.1 2 24.0 -64.4 293 5 469.7 469.7 312.6 469.7 0.00 53 58 19787 -64.3 -88.3 2 24.0 -64.6 324 5 471.5 471.5 312.8 471.5 0.00 54 55 20113 -63.5 -87.5 2 24.0 -63.8 347 9 480.6 480.6 313.5 480.6 0.00 55 54 20226 -63.7 -87.7 2 24.0 -64.0 354 11 482.6 482.6 313.7 482.6 0.00 56 50 20700 -62.7 -86.7 3 24.0 -63.1 360 12 495.7 495.7 314.7 495.8 0.00 57 49 20824 -62.7 -86.7 3 24.0 -63.1 12 13 498.6 498.6 314.8 498.6 0.00 58 48 20951 -62.9 -86.9 3 24.0 -63.3 26 14 501.1 501.1 315.0 501.1 0.00 59 48 20951 -62.7 -86.7 3 24.0 -63.1 26 14 501.5 501.6 315.1 501.6 0.00 60 42 21781 -59.1 -84.1 3 25.0 -59.9 42 10 530.0 530.0 316.9 530.0 0.01 61 38 22411 -57.3 -82.3 3 25.0 -58.3 41 7 550.0 550.0 318.1 550.0 0.01 62 35 22930 -57.5 -82.5 3 25.0 -58.5 61 7 562.5 562.5 318.8 562.6 0.01 63 35 22930 -57.5 -82.5 3 25.0 -58.5 61 7 562.5 562.5 318.8 562.6 0.01 64 31 23700 -55.3 -81.3 3 26.0 -56.8 122 9 588.3 588.3 320.0 588.5 0.02 65 30 23910 -53.9 -79.9 3 26.0 -55.6 105 7 597.7 597.7 320.5 597.9 0.02 66 20 26540 -47.9 -74.9 3 27.0 -52.0 60 4 689.6 689.6 324.1 690.2 0.07 67 10 31140 -43.3 -70.3 4 27.0 -51.5 5 16 857.9 858.1 328.6 861.0 0.29 TRP 152 -63.5 -74.5 21 11.0 -63.6 285 95 359.3 359.3 298.6 359.4 0.01 WND 171 270 128 Sounding variables and indices 1000-500 mb thick: 5648.00 m Freezing level: 652.29 mb = 3699.19 m = 12136.30 ft Freezing level: 397.54 mb = 7489.39 m = 24571.18 ft Freezing level: 318.94 mb = 9832.55 m = 32258.64 ft Wetbulb zero: 712.07 mb = 2989.25 m = 9807.15 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 51.76 % Est. max temperature: 29.19 C = 84.55 F Sfc-Lift cond lev (LCL): 934.23 mb = 705.60 m = 2314.92 ft T: 18.20 C 700-500 lapse rate: 6.02 C/km ThetaE index: 6.01 C Layer 866.0- 852.0 mb Conv cond level (CCL): 703.75 mb = 3085.42 m = 10122.64 ft Mean mixing ratio: 7.84 g/kg Conv temperature: 33.87 C = 92.96 F Cap Strength: 6.73 C Lifted Index: 5.58 C Risk: None Lifted Index @300 mb: 52.16 C Lifted Index @700 mb: 4.58 C Showalter Index: 6.28 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: 12.90 C K Index: 14.70 Risk: None Sweat Index: 107.60 Risk: None Energy Index: 1.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.88 J/kg Max Up Vert Vel: 7.73 m/s Conv Inhibition (B-): 66497.16 J/kg Cap Strength: 6.72 C Lift Cond Lev (LCL): 821.84 mb = 1798.50 m = 5900.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 171 14254 270 128 128.0 -0.0 1 993 180 0 0 -0.0 -0.0 2 979 305 40 4 -2.6 -3.1 3 945 610 15 9 -2.3 -8.7 4 925 791 340 12 4.1 -11.3 5 912 914 315 15 10.6 -10.6 6 880 1219 280 30 29.5 -5.2 7 850 1514 270 25 25.0 -0.0 8 849 1524 270 26 26.0 -0.0 9 818 1829 280 17 16.7 -3.0 10 789 2134 275 21 20.9 -1.8 11 761 2438 275 26 25.9 -2.3 12 733 2743 275 26 25.9 -2.3 13 707 3048 265 33 32.9 2.9 14 700 3129 265 33 32.9 2.9 15 500 5770 265 36 35.9 3.1 16 400 7450 270 69 69.0 -0.0 17 300 9500 260 88 86.7 15.3 18 250 10730 270 84 84.0 -0.0 19 200 12190 265 119 118.5 10.4 20 150 13980 280 93 91.6 -16.1 21 100 16460 270 45 45.0 -0.0 22 95 16764 275 44 43.8 -3.8 23 91 17069 275 34 33.9 -3.0 24 86 17374 275 36 35.9 -3.1 25 82 17678 300 34 29.4 -17.0 26 78 17983 300 39 33.8 -19.5 27 74 18288 320 14 9.0 -10.7 28 71 18593 255 9 8.7 2.3 29 70 18640 270 11 11.0 -0.0 30 67 18898 270 11 11.0 -0.0 31 64 19202 275 10 10.0 -0.9 32 61 19507 240 6 5.2 3.0 33 58 19812 330 5 2.5 -4.3 34 52 20422 5 14 -1.2 -13.9 35 50 20700 360 12 -0.0 -12.0 36 50 20726 360 12 -0.0 -12.0 37 47 21031 35 14 -8.0 -11.5 38 45 21336 30 10 -5.0 -8.7 39 43 21641 70 11 -10.3 -3.8 40 41 21946 15 10 -2.6 -9.7 41 39 22250 15 13 -3.4 -12.6 42 37 22555 60 2 -1.7 -1.0 43 35 22860 45 6 -4.2 -4.2 44 34 23165 105 8 -7.7 2.1 45 32 23470 80 7 -6.9 -1.2 46 31 23774 135 10 -7.1 7.1 47 30 23910 105 7 -6.8 1.8 48 29 24079 135 8 -5.7 5.7 49 28 24384 80 8 -7.9 -1.4 50 27 24689 200 12 4.1 11.3 51 24 25298 135 1 -0.7 0.7 52 23 25603 75 7 -6.8 -1.8 53 22 25908 100 1 -1.0 0.2 54 21 26213 85 5 -5.0 -0.4 55 20 26518 105 9 -8.7 2.3 56 20 26540 60 4 -3.5 -2.0 57 19 26822 45 3 -2.1 -2.1 58 18 27127 50 12 -9.2 -7.7 59 17 27432 45 7 -4.9 -4.9 60 17 27737 75 12 -11.6 -3.1 61 16 28042 100 10 -9.8 1.7 62 15 28346 160 12 -4.1 11.3 63 15 28651 145 7 -4.0 5.7 64 14 28956 185 13 1.1 13.0 65 13 29261 135 4 -2.8 2.8 66 13 29566 130 5 -3.8 3.2 67 12 29870 235 7 5.7 4.0 68 10 31140 5 16 -1.4 -15.9 Wind Parameters Energy-Hel index: -1.87 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//KBNA/skewt/KBNA.skewt.20250518.12.gif