UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for KBNA... Searching the city database file for: KBNA ... Date:1200Z 8 DEC 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 172 355 5 SFC 999 180 3.6 2.7 94 0.9 3.2 355 5 276.8 277.6 276.4 289.5 4.65 2 994 221 3.4 0.6 82 2.8 2.2 349 6 277.0 277.7 275.6 288.0 4.01 3 938 688 -0.5 -2.3 88 1.8 -1.2 347 14 277.7 278.3 275.2 287.2 3.44 4 925 799 -1.1 -2.9 88 1.8 -1.8 350 16 278.2 278.7 275.3 287.4 3.33 5 915 886 -1.3 -3.1 88 1.8 -2.0 1 15 278.8 279.4 275.7 288.1 3.32 6 907 956 -1.3 -2.9 89 1.6 -1.9 2 15 279.5 280.1 276.2 289.0 3.40 7 893 1080 -1.7 -3.4 88 1.7 -2.4 351 16 280.4 280.9 276.5 289.7 3.33 8 886 1142 -1.7 -3.3 89 1.6 -2.3 346 16 281.0 281.6 276.9 290.5 3.38 9 881 1187 -1.7 -3.2 89 1.5 -2.3 343 16 281.5 282.1 277.2 291.1 3.42 10 850 1472 -2.5 -4.1 89 1.6 -3.1 310 12 283.5 284.1 278.1 292.9 3.32 11 817 1785 -4.3 -6.1 87 1.8 -5.0 304 14 284.8 285.4 278.3 293.4 2.96 12 776 2189 -7.7 -11.0 77 3.3 -8.8 306 22 285.4 285.8 277.4 291.6 2.12 13 719 2778 -11.9 -13.6 87 1.7 -12.4 312 24 287.1 287.4 277.9 292.6 1.86 14 709 2885 -12.5 -15.4 79 2.9 -13.3 300 26 287.6 287.9 277.9 292.4 1.63 15 700 2983 -12.1 -18.1 61 6.0 -13.6 290 28 289.1 289.3 278.2 293.1 1.31 16 695 3038 -12.1 -19.1 56 7.0 -13.8 311 24 289.7 289.9 278.3 293.4 1.21 17 667 3351 -13.3 -24.3 39 11.0 -15.6 281 34 291.8 291.9 278.7 294.3 0.80 18 666 3363 -13.3 -24.3 39 11.0 -15.6 280 34 291.9 292.0 278.8 294.4 0.80 19 661 3420 -13.1 -24.1 39 11.0 -15.4 280 34 292.7 292.9 279.3 295.3 0.82 20 577 4446 -17.5 -36.5 17 19.0 -20.2 285 38 299.2 299.2 281.4 300.2 0.29 21 517 5257 -24.7 -38.7 26 14.0 -26.3 285 41 300.0 300.1 281.7 300.9 0.26 22 516 5271 -24.7 -38.7 26 14.0 -26.3 285 41 300.2 300.3 281.8 301.1 0.26 23 509 5370 -24.7 -41.7 19 17.0 -26.5 285 44 301.4 301.4 282.2 302.1 0.19 24 500 5500 -24.3 -46.3 11 22.0 -26.3 285 46 303.4 303.4 283.0 303.8 0.12 25 498 5529 -24.1 -46.1 11 22.0 -26.2 285 46 304.0 304.0 283.2 304.4 0.12 26 491 5632 -24.5 -49.5 8 25.0 -26.6 285 47 304.7 304.8 283.4 305.1 0.09 27 484 5736 -24.3 -55.3 4 31.0 -26.6 285 48 306.2 306.3 284.0 306.4 0.04 28 465 6027 -25.7 -61.7 2 36.0 -27.9 285 55 308.0 308.0 284.6 308.1 0.02 29 462 6074 -25.9 -61.9 2 36.0 -28.0 285 56 308.4 308.4 284.7 308.4 0.02 30 444 6360 -27.5 -60.5 3 33.0 -29.5 279 63 309.9 309.9 285.3 310.0 0.02 31 400 7100 -33.5 -54.5 10 21.0 -34.7 275 69 311.4 311.5 285.9 311.7 0.06 32 388 7313 -35.1 -53.1 14 18.0 -36.1 280 72 312.1 312.1 286.2 312.3 0.07 33 358 7870 -38.5 -53.5 19 15.0 -39.2 263 69 314.8 314.8 287.1 315.1 0.07 34 337 8283 -41.5 -57.5 16 16.0 -42.1 261 69 316.2 316.2 287.5 316.4 0.05 35 329 8445 -42.3 -60.3 12 18.0 -42.9 263 69 317.3 317.3 287.9 317.4 0.03 36 321 8612 -42.5 -63.5 8 21.0 -43.1 264 73 319.2 319.2 288.5 319.3 0.02 37 313 8782 -41.9 -65.9 6 24.0 -42.6 260 84 322.4 322.4 289.5 322.4 0.02 38 303 9002 -41.5 -68.5 4 27.0 -42.3 256 97 325.9 325.9 290.6 326.0 0.01 39 301 9047 -41.5 -69.5 3 28.0 -42.3 255 100 326.6 326.6 290.7 326.6 0.01 40 300 9070 -41.5 -69.5 3 28.0 -42.3 255 101 326.9 326.9 290.8 326.9 0.01 41 292 9254 -42.5 -71.5 3 29.0 -43.2 259 103 328.0 328.0 291.2 328.0 0.01 42 286 9394 -42.5 -72.5 2 30.0 -43.3 263 109 329.9 329.9 291.7 330.0 0.01 43 280 9538 -42.3 -75.3 2 33.0 -43.1 265 111 332.2 332.2 292.3 332.3 0.00 44 279 9562 -42.5 -75.5 1 33.0 -43.3 265 111 332.3 332.3 292.3 332.3 0.00 45 250 10300 -46.3 -79.3 1 33.0 -46.9 255 108 337.2 337.2 293.6 337.2 0.00 46 249 10327 -46.3 -79.3 1 33.0 -46.9 253 106 337.6 337.6 293.7 337.6 0.00 47 245 10434 -46.1 -79.1 1 33.0 -46.7 252 108 339.5 339.5 294.2 339.5 0.00 48 242 10515 -46.1 -79.1 1 33.0 -46.7 255 114 340.7 340.7 294.5 340.7 0.00 49 239 10598 -46.1 -79.1 1 33.0 -46.7 255 114 341.9 341.9 294.8 341.9 0.00 50 237 10653 -46.1 -79.1 1 33.0 -46.7 255 114 342.7 342.7 295.0 342.7 0.00 51 229 10880 -47.1 -79.1 1 32.0 -47.7 258 111 344.6 344.6 295.4 344.6 0.00 52 227 10938 -47.3 -79.3 1 32.0 -47.9 259 110 345.1 345.1 295.6 345.2 0.00 53 216 11264 -48.9 -80.9 1 32.0 -49.4 265 109 347.6 347.6 296.1 347.6 0.00 54 211 11417 -48.1 -81.1 1 33.0 -48.7 265 108 351.2 351.2 296.9 351.2 0.00 55 206 11575 -46.9 -79.9 1 33.0 -47.6 265 107 355.5 355.5 297.8 355.5 0.00 56 201 11737 -47.7 -79.7 1 32.0 -48.3 261 104 356.7 356.7 298.1 356.7 0.00 57 200 11770 -47.7 -80.7 1 33.0 -48.3 260 103 357.2 357.2 298.1 357.2 0.00 58 198 11836 -47.5 -79.5 1 32.0 -48.1 260 103 358.6 358.6 298.4 358.6 0.00 59 150 13640 -55.7 -85.7 1 30.0 -56.1 260 95 374.1 374.1 301.3 374.1 0.00 60 101 16090 -67.3 -93.3 1 26.0 -67.4 270 77 396.6 396.6 304.8 396.6 0.00 61 100 16150 -67.3 -93.3 1 26.0 -67.4 270 75 397.7 397.7 304.9 397.7 0.00 62 98 16272 -67.5 -93.5 1 26.0 -67.6 265 79 399.6 399.6 305.2 399.6 0.00 63 97 16333 -67.5 -93.5 1 26.0 -67.6 265 76 400.8 400.8 305.3 400.8 0.00 64 92 16651 -67.9 -93.9 1 26.0 -68.0 262 77 406.1 406.1 306.0 406.1 0.00 65 83 17271 -66.5 -92.5 1 26.0 -66.7 272 59 421.1 421.1 307.9 421.1 0.00 66 76 17800 -69.3 -93.3 2 24.0 -69.4 257 42 426.0 426.0 308.4 426.0 0.00 67 73 18039 -70.3 -95.3 1 25.0 -70.4 251 45 428.8 428.8 308.7 428.8 0.00 68 70 18290 -67.3 -93.3 1 26.0 -67.5 255 61 440.4 440.4 309.9 440.4 0.00 69 69 18377 -66.9 -92.9 1 26.0 -67.1 255 61 443.1 443.1 310.2 443.1 0.00 70 64 18836 -64.1 -90.1 2 26.0 -64.4 267 51 458.9 458.9 311.7 458.9 0.00 71 61 19131 -64.7 -90.7 2 26.0 -65.0 270 45 463.9 463.9 312.1 463.9 0.00 72 60 19232 -64.7 -90.7 2 26.0 -65.0 269 45 466.1 466.1 312.3 466.1 0.00 73 60 19232 -64.5 -90.5 2 26.0 -64.8 269 45 466.5 466.5 312.3 466.5 0.00 74 56 19657 -62.5 -88.5 2 26.0 -62.9 268 51 480.4 480.4 313.5 480.4 0.00 75 55 19768 -61.9 -88.9 2 27.0 -62.3 269 49 484.2 484.2 313.8 484.2 0.00 76 54 19882 -61.9 -88.9 2 27.0 -62.3 268 46 486.8 486.8 314.0 486.8 0.00 77 50 20360 -61.7 -87.7 2 26.0 -62.1 255 28 498.1 498.1 314.8 498.1 0.00 78 48 20611 -62.1 -87.1 2 25.0 -62.6 255 28 503.0 503.0 315.2 503.0 0.00 79 43 21286 -63.7 -87.7 2 24.0 -64.1 261 26 515.1 515.1 316.0 515.1 0.00 80 39 21887 -60.5 -85.5 2 25.0 -61.2 264 36 537.8 537.8 317.4 537.8 0.01 81 34 22735 -62.3 -86.3 3 24.0 -62.9 278 24 554.6 554.6 318.3 554.6 0.01 82 31 23306 -60.7 -84.7 3 24.0 -61.5 268 29 573.8 573.8 319.3 573.8 0.01 83 30 23510 -60.3 -84.3 3 24.0 -61.2 265 28 580.3 580.3 319.7 580.3 0.01 84 29 23722 -59.7 -83.7 3 24.0 -60.7 265 28 587.6 587.6 320.0 587.6 0.01 85 26 24406 -58.5 -83.5 3 25.0 -59.7 277 27 609.6 609.6 321.0 609.7 0.01 86 25 24653 -58.5 -83.5 3 25.0 -59.7 276 28 616.5 616.5 321.3 616.6 0.01 87 22 25460 -56.5 -81.5 3 25.0 -58.2 284 25 645.4 645.4 322.5 645.6 0.02 88 21 25755 -56.7 -81.7 3 25.0 -58.5 293 19 653.4 653.4 322.8 653.6 0.02 89 21 25755 -56.7 -81.7 3 25.0 -58.5 293 19 653.4 653.4 322.8 653.6 0.02 90 20 26065 -56.1 -81.1 3 25.0 -58.0 299 13 664.5 664.5 323.2 664.7 0.03 91 20 26065 -56.1 -82.1 2 26.0 -58.0 299 13 664.5 664.5 323.2 664.6 0.02 TRP 101 16090 -67.3 -93.3 1 26.0 -67.4 270 77 396.6 396.6 304.8 396.6 0.00 WND 242 10515 -46.1 -79.1 1 33.0 -46.7 255 114 340.7 340.7 294.5 340.7 0.00 Sounding variables and indices 1000-500 mb thick: 5328.00 m Freezing level: 945.18 mb = 627.71 m = 2059.38 ft Wetbulb zero: 957.95 mb = 518.12 m = 1699.85 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 57.36 % Est. max temperature: 10.34 C = 50.60 F Sfc-Lift cond lev (LCL): 985.23 mb = 292.06 m = 958.18 ft T: 2.80 C 700-500 lapse rate: 4.85 C/km ThetaE index: 2.29 C Layer 994.0- 925.0 mb Conv cond level (CCL): 837.11 mb = 1592.92 m = 5226.05 ft Mean mixing ratio: 3.61 g/kg Conv temperature: 10.81 C = 51.45 F Cap Strength: 12.02 C Lifted Index: 13.53 C Risk: None Lifted Index @300 mb: 27.68 C Lifted Index @700 mb: 4.93 C Showalter Index: 9.72 C Risk: None Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 20.20 C K Index: 11.70 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 2.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.21 J/kg Max Up Vert Vel: 4.52 m/s Conv Inhibition (B-): 44966.19 J/kg Cap Strength: 12.11 C Lift Cond Lev (LCL): 918.27 mb = 857.23 m = 2812.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 at 22 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 ---------------------------------------------------------- 0 999 180 355 5 0.4 -5.0 | 135 18 -12.8 12.6 1 984 305 335 9 3.8 -8.2 | 135 13 -9.4 9.4 2 947 610 345 12 3.1 -11.6 | 121 12 -10.1 6.0 3 925 799 350 16 2.8 -15.8 | 100 11 -10.4 1.8 4 912 914 5 15 -1.3 -14.9 | 100 15 -14.5 2.7 5 877 1219 340 16 5.5 -15.0 | 108 8 -7.7 2.6 6 850 1472 310 12 9.2 -7.7 | 158 11 -4.0 9.9 7 844 1524 300 13 11.3 -6.5 | 170 11 -1.9 11.1 8 812 1829 305 14 11.5 -8.0 | 170 10 -1.7 9.6 9 781 2134 305 22 18.0 -12.6 | 224 7 4.8 5.0 10 751 2438 310 24 18.4 -15.4 | 247 6 5.2 2.2 11 722 2743 315 23 16.3 -16.3 | 247 3 3.1 1.3 12 700 2983 290 28 26.3 -9.6 | 239 15 13.1 8.0 13 694 3048 315 23 16.3 -16.3 | 247 3 3.1 1.3 14 666 3353 280 34 33.5 -5.9 | 240 23 20.3 11.7 15 640 3658 280 36 35.5 -6.3 | 243 25 22.3 11.3 16 614 3962 280 34 33.5 -5.9 | 240 23 20.3 11.7 17 590 4267 280 35 34.5 -6.1 | 242 24 21.3 11.5 18 566 4572 290 41 38.5 -14.0 | 262 26 25.3 3.6 19 543 4877 285 39 37.7 -10.1 | 253 26 24.5 7.5 20 522 5182 285 39 37.7 -10.1 | 253 26 24.5 7.5 21 501 5486 285 47 45.4 -12.2 | 260 33 32.2 5.4 22 500 5500 285 46 44.4 -11.9 | 260 32 31.2 5.7 23 480 5791 285 48 46.4 -12.4 | 261 34 33.2 5.2 24 460 6096 285 57 55.1 -14.8 | 266 42 41.9 2.8 25 423 6706 270 71 71.0 -0.0 | 253 60 57.8 17.6 26 400 7100 275 69 68.7 -6.0 | 258 57 55.5 11.6 27 388 7315 280 72 70.9 -12.5 | 265 58 57.7 5.1 28 371 7620 275 74 73.7 -6.4 | 260 62 60.5 11.1 29 355 7925 260 68 67.0 11.8 | 241 61 53.8 29.4 30 339 8230 260 69 68.0 12.0 | 242 62 54.8 29.6 31 324 8534 265 69 68.7 6.0 | 247 60 55.5 23.6 32 300 9070 255 101 97.6 26.1 | 243 95 84.4 43.7 33 297 9144 255 99 95.6 25.6 | 242 93 82.4 43.2 34 284 9449 265 111 110.6 9.7 | 254 101 97.4 27.3 35 271 9754 265 110 109.6 9.6 | 254 100 96.4 27.2 36 259 10058 255 101 97.6 26.1 | 243 95 84.4 43.7 37 250 10300 255 108 104.3 28.0 | 243 102 91.1 45.5 38 248 10363 250 103 96.8 35.2 | 238 99 83.6 52.8 39 242 10515 255 114 110.1 29.5 | 244 108 96.9 47.1 40 236 10668 255 114 110.1 29.5 | 244 108 96.9 47.1 41 226 10973 260 110 108.3 19.1 | 249 102 95.1 36.7 42 216 11278 265 109 108.6 9.5 | 254 99 95.4 27.1 43 206 11582 265 107 106.6 9.3 | 254 97 93.4 26.9 44 200 11770 260 103 101.4 17.9 | 248 95 88.2 35.5 45 196 11887 260 103 101.4 17.9 | 248 95 88.2 35.5 46 187 12192 260 105 103.4 18.2 | 248 97 90.2 35.8 47 171 12802 265 98 97.6 8.5 | 253 88 84.4 26.1 48 163 13106 265 99 98.6 8.6 | 253 89 85.4 26.2 49 155 13411 270 99 99.0 -0.0 | 258 88 85.8 17.6 50 150 13640 260 95 93.6 16.5 | 247 87 80.4 34.1 51 148 13716 260 97 95.5 16.8 | 247 89 82.3 34.4 52 141 14021 260 96 94.5 16.7 | 247 88 81.4 34.3 53 134 14326 260 96 94.5 16.7 | 247 88 81.4 34.3 54 128 14630 265 97 96.6 8.5 | 253 87 83.4 26.1 55 116 15240 270 79 79.0 -0.0 | 255 68 65.8 17.6 56 110 15545 260 74 72.9 12.8 | 243 67 59.7 30.4 57 101 16090 270 77 77.0 -0.0 | 255 66 63.8 17.6 58 100 16150 270 75 75.0 -0.0 | 254 64 61.8 17.6 59 100 16154 265 84 83.7 7.3 | 251 75 70.5 24.9 60 95 16459 265 71 70.7 6.2 | 248 62 57.5 23.8 61 90 16764 260 80 78.8 13.9 | 244 73 65.6 31.5 62 82 17374 275 55 54.8 -4.8 | 253 44 41.6 12.8 63 78 17678 260 40 39.4 6.9 | 227 36 26.2 24.5 64 70 18288 245 49 44.4 20.7 | 219 49 31.2 38.3 65 70 18290 255 61 58.9 15.8 | 234 57 45.7 33.4 66 67 18593 255 61 58.9 15.8 | 234 57 45.7 33.4 67 63 18898 270 49 49.0 -0.0 | 244 40 35.8 17.6 68 60 19202 270 44 44.0 -0.0 | 240 35 30.8 17.6 69 57 19507 265 54 53.8 4.7 | 241 46 40.6 22.3 70 55 19812 270 48 48.0 -0.0 | 243 39 34.8 17.6 71 52 20117 260 38 37.4 6.6 | 225 34 24.2 24.2 72 50 20360 255 28 27.0 7.2 | 209 28 13.9 24.8 73 50 20422 250 29 27.3 9.9 | 207 31 14.1 27.5 74 45 21031 265 25 24.9 2.2 | 211 23 11.7 19.8 75 43 21336 260 26 25.6 4.5 | 209 25 12.4 22.1 76 41 21641 260 33 32.5 5.7 | 220 30 19.3 23.3 77 39 21946 265 37 36.9 3.2 | 229 32 23.7 20.8 78 37 22250 275 34 33.9 -3.0 | 235 25 20.7 14.6 79 35 22555 290 31 29.1 -10.6 | 246 17 15.9 7.0 80 33 22860 270 20 20.0 -0.0 | 201 19 6.8 17.6 81 32 23165 280 28 27.6 -4.9 | 228 19 14.4 12.7 82 30 23470 255 30 29.0 7.8 | 212 30 15.8 25.4 83 30 23510 265 28 27.9 2.4 | 216 25 14.7 20.0 84 28 23774 265 28 27.9 2.4 | 216 25 14.7 20.0 85 26 24079 280 27 26.6 -4.7 | 226 19 13.4 12.9 86 24 24384 265 30 29.9 2.6 | 220 26 16.7 20.2 87 22 24689 290 23 21.6 -7.9 | 221 13 8.4 9.7 88 20 24994 300 12 10.4 -6.0 | 166 12 -2.8 11.6 89 18 25298 235 12 9.8 6.9 | 172 25 -3.4 24.5 90 17 25603 270 23 23.0 -0.0 | 209 20 9.8 17.6 91 15 25908 240 16 13.9 8.0 | 181 26 0.7 25.6 92 14 26213 260 18 17.7 3.1 | 192 21 4.5 20.7 Wind Parameters Mean winds (0-6000m): 293.1 at 29.3 knts Storm direction: 323.1 at 22.0 knts Shear (0-3000m) pos: 1.8 neg: 3.1 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 116.2 deg Storm rel helicity (0-3000m) pos: 49.7 neg: -27.0 tot: 22.7 m^2/s^2 ave: 7.6 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 12.4 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 75.98 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 ------------------------------------------------------------------------------- 500 342 10 129 13| 0.0 8.8 8.8| 0.0 -14.2 -14.2 -28.4 -0.47| 9.7 -4.5 1000 349 13 116 12| 0.0 5.7 5.7| 3.1 -22.1 -18.9 -18.9 -0.31| 10.0 -3.1 1500 338 13 123 10| 0.0 3.8 3.8| 26.5 -22.1 4.4 3.0 0.13| 10.7 1.4 2000 328 14 135 8| 2.3 2.9 5.2| 41.5 -22.2 19.4 9.7 0.29| 10.4 3.0 2500 322 16 146 6| 2.1 2.3 4.4| 45.0 -22.2 22.8 9.1 0.31| 9.1 2.8 3000 318 18 164 5| 1.8 3.1 4.9| 49.7 -27.0 22.7 7.6 0.20| 12.4 2.4 4000 302 22 222 8| 1.3 3.8 5.1| 59.0 -49.1 9.8 2.5 0.13| 11.5 1.5 5000 297 25 236 11| 1.9 3.1 4.9|117.3 -75.6 41.7 8.3 0.16| 10.5 1.7 6000 293 29 246 15| 1.5 4.1 5.7|181.3 -90.2 91.1 15.2 0.18| 10.6 1.9 Wrote GIF file: /home/apache/climate/data/raob//KBNA/skewt/KBNA.skewt.20251208.12.gif