UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for KBNA... Searching the city database file for: KBNA ... Date:0000Z 2 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 164 350 3 SFC 998 180 4.6 -1.4 65 6.0 2.1 350 3 277.9 278.5 275.3 287.5 3.45 2 986 278 2.2 -4.8 60 7.0 -0.4 10 7 276.5 276.9 273.5 284.0 2.71 3 983 303 2.0 -5.0 60 7.0 -0.6 14 8 276.5 277.0 273.4 284.0 2.68 4 943 638 0.8 -4.2 69 5.0 -1.1 52 5 278.6 279.1 275.0 286.9 2.96 5 925 793 1.4 -2.6 75 4.0 -0.2 200 8 280.7 281.3 276.8 290.3 3.41 6 920 837 1.8 -2.0 76 3.8 0.2 198 12 281.6 282.2 277.5 291.7 3.58 7 884 1161 5.0 -20.0 14 25.0 -2.3 207 26 288.1 288.3 277.1 290.9 0.88 8 877 1225 5.0 -20.0 14 25.0 -2.3 210 28 288.8 288.9 277.4 291.5 0.89 9 850 1480 3.8 -13.2 28 17.0 -2.0 205 29 290.1 290.4 279.1 295.0 1.62 10 842 1557 3.2 -12.8 30 16.0 -2.3 206 32 290.3 290.6 279.3 295.4 1.69 11 823 1742 4.6 3.0 89 1.6 3.8 209 35 293.7 294.7 285.5 310.4 5.77 12 807 1902 3.4 2.3 92 1.1 2.8 212 36 294.0 295.0 285.4 310.3 5.60 13 786 2115 2.2 -1.0 79 3.2 0.7 219 35 295.0 295.8 284.7 308.3 4.52 14 760 2387 1.2 -0.4 89 1.6 0.4 220 35 296.8 297.6 285.8 311.2 4.89 15 747 2525 0.4 -1.5 87 1.9 -0.5 220 35 297.3 298.2 285.7 311.0 4.59 16 705 2987 -2.1 -3.4 91 1.3 -2.7 220 34 299.5 300.3 286.1 312.2 4.22 17 700 3044 -2.3 -3.8 89 1.5 -3.0 220 33 299.9 300.7 286.2 312.4 4.12 18 678 3297 -3.5 -5.6 85 2.1 -4.4 216 36 301.3 302.0 286.3 312.7 3.71 19 637 3789 -5.7 -7.9 84 2.2 -6.6 232 37 304.3 304.9 286.9 314.5 3.31 20 622 3976 -6.7 -9.0 84 2.3 -7.6 235 36 305.2 305.8 287.1 314.9 3.11 21 598 4283 -8.3 -10.8 82 2.5 -9.2 245 39 306.8 307.3 287.3 315.6 2.80 22 555 4859 -12.1 -14.7 81 2.6 -12.9 241 40 308.9 309.3 287.4 316.0 2.20 23 509 5516 -16.7 -19.5 79 2.8 -17.4 245 50 311.1 311.4 287.5 316.4 1.60 24 500 5650 -17.5 -20.3 79 2.8 -18.3 245 58 311.7 312.0 287.6 316.7 1.52 25 477 6000 -20.1 -23.0 78 2.9 -20.8 242 44 312.7 313.0 287.8 316.9 1.26 26 446 6494 -23.3 -26.4 76 3.1 -23.9 235 55 314.8 314.9 288.1 318.1 0.99 27 434 6693 -24.9 -28.0 75 3.1 -25.5 235 56 315.2 315.4 288.2 318.2 0.88 28 410 7103 -28.1 -31.4 73 3.3 -28.6 233 58 316.2 316.4 288.3 318.6 0.68 29 400 7280 -28.9 -32.2 73 3.3 -29.4 240 69 317.4 317.6 288.6 319.7 0.64 30 386 7534 -30.7 -34.1 72 3.4 -31.2 243 71 318.3 318.4 288.8 320.3 0.55 31 369 7852 -33.3 -36.8 71 3.5 -33.7 249 77 319.0 319.1 288.9 320.6 0.44 32 359 8044 -34.5 -37.7 73 3.2 -34.8 250 83 319.9 320.0 289.2 321.4 0.41 33 332 8585 -39.1 -43.1 66 4.0 -39.4 246 89 320.8 320.9 289.3 321.8 0.26 34 323 8772 -40.9 -44.9 65 4.0 -41.2 249 92 320.9 320.9 289.3 321.7 0.22 35 310 9050 -43.3 -47.4 64 4.1 -43.5 250 96 321.3 321.3 289.3 322.0 0.17 36 301 9248 -44.7 -48.4 66 3.7 -44.9 250 104 322.0 322.1 289.6 322.6 0.16 37 300 9270 -44.9 -48.6 66 3.7 -45.1 250 105 322.1 322.1 289.6 322.7 0.15 38 288 9542 -47.1 -52.1 56 5.0 -47.3 251 108 322.7 322.7 289.7 323.1 0.11 39 280 9728 -48.1 -53.1 56 5.0 -48.3 252 113 323.9 323.9 290.0 324.3 0.10 40 276 9823 -48.5 -53.2 58 4.7 -48.7 253 116 324.6 324.7 290.3 325.0 0.10 41 271 9943 -48.7 -53.7 56 5.0 -48.9 254 119 326.1 326.1 290.7 326.4 0.09 42 258 10265 -50.3 -55.3 55 5.0 -50.5 255 133 328.3 328.3 291.3 328.6 0.08 43 256 10316 -50.9 -55.9 55 5.0 -51.1 255 136 328.2 328.2 291.3 328.5 0.08 44 250 10470 -52.1 -57.1 55 5.0 -52.2 250 137 328.6 328.6 291.4 328.9 0.07 45 244 10627 -52.9 -58.9 48 6.0 -53.1 250 137 329.7 329.7 291.7 329.9 0.06 46 233 10924 -54.7 -59.1 58 4.4 -54.8 254 140 331.4 331.4 292.2 331.6 0.06 47 231 10979 -55.1 -59.7 57 4.6 -55.2 255 141 331.6 331.6 292.2 331.8 0.05 48 209 11613 -58.5 -64.5 46 6.0 -58.6 260 140 335.9 335.9 293.3 336.0 0.03 49 207 11674 -58.5 -64.5 46 6.0 -58.6 261 139 336.8 336.8 293.6 336.9 0.03 50 200 11890 -59.1 -65.1 46 6.0 -59.2 260 139 339.2 339.2 294.1 339.3 0.03 51 197 11985 -59.5 -65.5 46 6.0 -59.6 260 139 340.0 340.0 294.3 340.1 0.03 52 190 12210 -60.7 -66.7 45 6.0 -60.8 260 139 341.6 341.6 294.7 341.7 0.03 53 186 12342 -61.5 -67.5 45 6.0 -61.6 260 142 342.4 342.4 294.9 342.5 0.02 54 177 12647 -64.1 -69.1 50 5.0 -64.1 260 148 343.0 343.0 295.1 343.1 0.02 55 168 12967 -64.2 -70.6 41 6.4 -64.3 260 155 348.0 348.0 296.2 348.0 0.02 56 164 13114 -64.3 -71.3 38 7.0 -64.4 260 154 350.3 350.3 296.7 350.3 0.02 57 163 13151 -64.1 -71.1 38 7.0 -64.2 260 151 351.2 351.2 296.9 351.3 0.02 58 157 13380 -64.7 -71.7 38 7.0 -64.8 260 133 354.0 354.0 297.5 354.0 0.02 59 150 13660 -62.7 -71.7 29 9.0 -62.8 260 110 362.1 362.1 299.1 362.1 0.02 60 100 16140 -67.1 -82.1 10 15.0 -67.2 265 66 398.1 398.1 304.9 398.1 0.00 61 93 16579 -65.5 -82.5 8 17.0 -65.7 263 66 409.6 409.6 306.5 409.6 0.00 62 92 16644 -65.5 -82.5 8 17.0 -65.7 262 66 410.9 410.9 306.6 410.9 0.00 63 88 16914 -66.5 -83.5 7 17.0 -66.7 260 72 414.1 414.1 307.0 414.1 0.00 64 82 17343 -63.7 -82.7 6 19.0 -63.9 265 71 428.3 428.3 308.6 428.3 0.01 65 80 17495 -62.9 -82.9 5 20.0 -63.1 265 69 433.0 433.0 309.1 433.0 0.01 66 71 18224 -65.7 -86.7 4 21.0 -65.9 268 52 442.0 442.0 310.1 442.0 0.00 67 70 18310 -65.3 -87.3 3 22.0 -65.5 285 45 444.7 444.7 310.3 444.7 0.00 68 63 18955 -62.5 -86.5 3 24.0 -62.9 277 39 464.5 464.5 312.2 464.5 0.00 69 57 19576 -59.7 -86.7 2 27.0 -60.2 269 31 484.3 484.3 313.8 484.3 0.00 70 52 20147 -61.5 -88.5 2 27.0 -62.0 280 27 493.0 493.0 314.4 493.0 0.00 71 50 20390 -61.1 -89.1 1 28.0 -61.6 280 27 499.5 499.5 314.9 499.5 0.00 72 48 20644 -61.3 -90.3 1 29.0 -61.8 273 27 504.9 504.9 315.3 504.9 0.00 73 47 20774 -61.1 -90.1 1 29.0 -61.6 278 25 508.4 508.4 315.5 508.4 0.00 74 44 21183 -62.1 -91.1 1 29.0 -62.6 253 17 515.7 515.7 316.0 515.7 0.00 75 40 21774 -61.5 -91.5 1 30.0 -62.1 265 25 531.4 531.4 317.0 531.4 0.00 76 39 21931 -61.5 -91.5 1 30.0 -62.1 283 21 535.3 535.3 317.2 535.3 0.00 77 37 22257 -62.3 -91.3 1 29.0 -62.9 300 25 541.3 541.3 317.6 541.3 0.00 78 36 22426 -62.5 -91.5 1 29.0 -63.1 303 24 545.1 545.1 317.8 545.1 0.00 79 34 22780 -60.7 -90.7 1 30.0 -61.4 346 24 558.8 558.8 318.6 558.8 0.00 80 33 22966 -59.9 -89.9 1 30.0 -60.7 7 23 565.7 565.7 318.9 565.7 0.00 81 30 23560 -61.3 -90.3 1 29.0 -62.1 15 12 577.5 577.5 319.5 577.5 0.00 82 28 23986 -61.7 -90.7 1 29.0 -62.5 19 13 587.9 587.9 320.0 587.9 0.00 83 25 24690 -58.7 -89.7 1 31.0 -60.0 5 15 615.9 615.9 321.3 615.9 0.00 84 24 24946 -57.7 -88.7 1 31.0 -59.2 9 14 626.0 626.0 321.7 626.1 0.01 85 20 26090 -58.9 360 12 655.9 86 19 26412 -58.7 30 16 666.2 TRP 168 12967 -65.5 -71.5 43 6.0 -65.5 260 154 345.9 345.9 295.7 345.9 0.01 WND 168 12967 -64.2 -70.6 41 6.4 -64.3 260 155 348.0 348.0 296.2 348.0 0.02 Sounding variables and indices 1000-500 mb thick: 5486.00 m Freezing level: 740.28 mb = 2599.18 m = 8527.38 ft Wetbulb zero: 988.14 mb = 260.65 m = 855.13 ft Precipitable water: 0.69 inches Sfc-500 mean rel hum: 74.59 % Est. max temperature: 16.85 C = 62.33 F Sfc-Lift cond lev (LCL): 909.71 mb = 927.93 m = 3044.36 ft T: 2.70 C 700-500 lapse rate: 5.83 C/km ThetaE index: 3.52 C Layer 986.0- 943.0 mb Conv cond level (CCL): 565.75 mb = 4710.80 m = 15455.21 ft Mean mixing ratio: 2.89 g/kg Conv temperature: 35.06 C = 95.10 F Cap Strength: 20.25 C Lifted Index: 20.57 C Risk: None Lifted Index @300 mb: 24.51 C Lifted Index @700 mb: 14.97 C Showalter Index: 15.00 C Risk: None Total Totals Index: 25.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 4.30 C K Index: 6.60 Risk: None Sweat Index: 221.35 Risk: None Energy Index: 4.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.66 J/kg Max Up Vert Vel: 8.08 m/s Conv Inhibition (B-): 46714.32 J/kg Cap Strength: 20.34 C Lift Cond Lev (LCL): 856.62 mb = 1416.87 m = 4648.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 at 25 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 ---------------------------------------------------------- 0 998 180 350 3 0.5 -3.0 | 73 26 -24.5 -7.3 1 983 305 15 8 -2.1 -7.7 | 66 30 -27.1 -12.1 2 946 610 25 4 -1.7 -3.6 | 73 28 -26.7 -8.0 3 925 793 200 8 2.7 7.5 | 98 22 -22.3 3.1 4 911 914 195 19 4.9 18.4 | 125 24 -20.1 14.0 5 878 1219 210 28 14.0 24.2 | 151 23 -11.0 19.9 6 850 1480 205 29 12.3 26.3 | 150 25 -12.8 21.9 7 845 1524 205 31 13.1 28.1 | 153 27 -11.9 23.7 8 814 1829 210 36 18.0 31.2 | 165 28 -7.0 26.8 9 784 2134 220 35 22.5 26.8 | 174 23 -2.5 22.4 10 755 2438 220 35 22.5 26.8 | 174 23 -2.5 22.4 11 727 2743 220 36 23.1 27.6 | 175 23 -1.9 23.2 12 700 3044 220 33 21.2 25.3 | 170 21 -3.8 20.9 13 700 3048 220 33 21.2 25.3 | 170 21 -3.8 20.9 14 673 3353 215 37 21.2 30.3 | 172 26 -3.8 25.9 15 647 3658 230 37 28.3 23.8 | 190 20 3.3 19.4 16 622 3962 235 36 29.5 20.6 | 195 17 4.5 16.3 17 598 4267 245 39 35.3 16.5 | 220 16 10.3 12.1 18 575 4572 245 35 31.7 14.8 | 213 12 6.7 10.4 19 552 4877 240 41 35.5 20.5 | 213 19 10.5 16.1 20 511 5486 245 48 43.5 20.3 | 229 24 18.5 15.9 21 500 5650 245 58 52.6 24.5 | 234 34 27.6 20.1 22 490 5791 245 44 39.9 18.6 | 226 21 14.9 14.2 23 470 6096 240 44 38.1 22.0 | 217 22 13.1 17.6 24 451 6401 235 55 45.1 31.5 | 216 34 20.0 27.2 25 433 6706 235 56 45.9 32.1 | 217 35 20.9 27.7 26 415 7010 230 52 39.8 33.4 | 207 33 14.8 29.1 27 400 7280 240 69 59.8 34.5 | 229 46 34.7 30.1 28 398 7315 240 67 58.0 33.5 | 229 44 33.0 29.1 29 381 7620 245 73 66.2 30.9 | 237 49 41.1 26.5 30 364 7925 250 79 74.2 27.0 | 245 54 49.2 22.6 31 349 8230 250 90 84.6 30.8 | 246 65 59.6 26.4 32 334 8534 245 88 79.8 37.2 | 239 64 54.7 32.8 33 319 8839 250 93 87.4 31.8 | 246 68 62.4 27.4 34 306 9144 250 98 92.1 33.5 | 247 73 67.1 29.1 35 300 9270 250 105 98.7 35.9 | 247 80 73.7 31.5 36 292 9449 250 105 98.7 35.9 | 247 80 73.7 31.5 37 266 10058 255 123 118.8 31.8 | 254 98 93.8 27.5 38 254 10363 255 138 133.3 35.7 | 254 113 108.3 31.3 39 250 10470 250 137 128.7 46.9 | 248 112 103.7 42.5 40 242 10668 250 137 128.7 46.9 | 248 112 103.7 42.5 41 231 10973 255 141 136.2 36.5 | 254 116 111.2 32.1 42 220 11278 255 142 137.2 36.8 | 254 117 112.1 32.4 43 200 11887 265 138 137.5 12.0 | 266 113 112.5 7.7 44 200 11890 260 139 136.9 24.1 | 260 114 111.9 19.8 45 190 12192 260 139 136.9 24.1 | 260 114 111.9 19.8 46 173 12802 260 151 148.7 26.2 | 260 126 123.7 21.8 47 168 12967 260 155 152.6 26.9 | 260 130 127.6 22.5 48 164 13106 260 155 152.6 26.9 | 260 130 127.6 22.5 49 150 13660 260 110 108.3 19.1 | 260 85 83.3 14.7 50 149 13716 265 128 127.5 11.2 | 266 103 102.5 6.8 51 141 14021 260 111 109.3 19.3 | 260 86 84.3 14.9 52 135 14326 265 103 102.6 9.0 | 267 78 77.6 4.6 53 128 14630 265 95 94.6 8.3 | 267 70 69.6 3.9 54 122 14935 265 91 90.7 7.9 | 267 66 65.6 3.6 55 116 15240 265 95 94.6 8.3 | 267 70 69.6 3.9 56 110 15545 270 81 81.0 -0.0 | 274 56 56.0 -4.4 57 105 15850 270 83 83.0 -0.0 | 274 58 58.0 -4.4 58 100 16140 265 66 65.7 5.8 | 268 41 40.7 1.4 59 100 16154 275 78 77.7 -6.8 | 282 54 52.7 -11.2 60 95 16459 265 64 63.8 5.6 | 268 39 38.7 1.2 61 90 16764 260 68 67.0 11.8 | 260 43 42.0 7.4 62 86 17069 260 76 74.8 13.2 | 260 51 49.8 8.8 63 82 17374 265 70 69.7 6.1 | 268 45 44.7 1.7 64 78 17678 265 68 67.7 5.9 | 268 43 42.7 1.6 65 74 17983 260 54 53.2 9.4 | 260 29 28.2 5.0 66 70 18288 270 51 51.0 -0.0 | 280 26 26.0 -4.4 67 70 18310 285 45 43.5 -11.6 | 311 24 18.5 -16.0 68 67 18593 285 42 40.6 -10.9 | 314 22 15.6 -15.2 69 64 18898 280 39 38.4 -6.8 | 310 17 13.4 -11.1 70 61 19202 265 38 37.9 3.3 | 275 13 12.8 -1.1 71 58 19507 265 32 31.9 2.8 | 283 7 6.9 -1.6 72 55 19812 280 27 26.6 -4.7 | 350 9 1.6 -9.1 73 50 20390 280 27 26.6 -4.7 | 350 9 1.6 -9.1 74 50 20422 255 26 25.1 6.7 | 182 2 0.1 2.4 75 47 20726 280 27 26.6 -4.7 | 350 9 1.6 -9.1 76 45 21031 265 15 14.9 1.3 | 73 11 -10.1 -3.1 77 43 21336 240 20 17.3 10.0 | 126 10 -7.7 5.6 78 41 21641 250 28 26.3 9.6 | 194 5 1.3 5.2 79 39 21946 285 21 20.3 -5.4 | 26 11 -4.7 -9.8 80 37 22250 300 25 21.7 -12.5 | 11 17 -3.4 -16.9 81 35 22555 305 23 18.8 -13.2 | 19 19 -6.2 -17.6 82 34 22860 360 24 -0.0 -24.0 | 41 38 -25.0 -28.4 83 32 23165 20 21 -7.2 -19.7 | 53 40 -32.2 -24.1 84 30 23470 10 7 -1.2 -6.9 | 67 29 -26.2 -11.3 85 30 23560 15 12 -3.1 -11.6 | 60 32 -28.1 -16.0 86 29 23774 15 12 -3.1 -11.6 | 60 32 -28.1 -16.0 87 28 24079 20 14 -4.8 -13.2 | 60 35 -29.8 -17.5 88 26 24384 15 17 -4.4 -16.4 | 55 36 -29.4 -20.8 89 25 24689 5 15 -1.3 -14.9 | 54 33 -26.3 -19.3 90 24 24994 10 14 -2.4 -13.8 | 57 33 -27.4 -18.2 91 23 25298 75 8 -7.7 -2.1 | 79 33 -32.7 -6.4 92 22 25603 25 5 -2.1 -4.5 | 72 29 -27.1 -8.9 93 21 25908 35 15 -8.6 -12.3 | 64 38 -33.6 -16.7 94 20 26090 360 12 -0.0 -12.0 | 57 30 -25.0 -16.4 95 19 26213 35 16 -9.2 -13.1 | 63 38 -34.2 -17.5 96 17 26518 355 14 1.2 -13.9 | 52 30 -23.8 -18.3 Wind Parameters Mean winds (0-6000m): 230.1 at 33.9 knts Storm direction: 260.1 at 25.4 knts Shear (0-3000m) pos: 5.2 neg: 1.2 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 97.5 deg Storm rel helicity (0-3000m) pos: 329.1 neg: -36.3 tot: 292.8 m^2/s^2 ave: 97.6 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 11.4 stream: 7.5 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.16 Bulk Shear: 200.22 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 20 6 70 29| 7.0 0.0 7.0| 60.7 -22.2 38.5 77.0 0.35| 14.0 4.9 1000 204 11 106 21| 15.1 0.0 15.1|240.0 -22.2 217.8 217.8 0.74| 22.8 16.8 1500 206 17 123 21| 10.0 2.3 12.3|279.6 -24.9 254.8 169.9 0.73| 18.0 13.1 2000 210 22 136 20| 7.8 1.7 9.6|323.7 -24.9 298.8 149.4 0.73| 15.8 11.5 2500 213 25 144 20| 6.3 1.5 7.8|327.1 -24.9 302.3 120.9 0.73| 12.8 9.3 3000 215 26 150 20| 5.2 1.2 6.4|329.1 -36.3 292.8 97.6 0.66| 11.4 7.5 4000 219 29 160 19| 4.4 0.9 5.3|404.9 -36.3 368.6 92.1 0.67| 11.1 7.4 5000 225 31 171 18| 3.5 1.4 4.8|430.4 -43.3 387.1 77.4 0.60| 10.5 6.3 6000 230 34 183 17| 3.8 1.0 4.8|461.1 -82.2 378.9 63.2 0.45| 11.2 5.1 Wrote GIF file: /home/apache/climate/data/raob//KBNA/skewt/KBNA.skewt.20251202.00.gif